Meteorology Matters

Timeline of Events

• Prior to March 24, 2025: Former President Donald Trump issues an executive order titled "Restoring Names That Honor American Greatness," which includes renaming the Gulf of Mexico to the Gulf of America and Denali back to Mount McKinley.
• By March 24, 2025: The Florida Legislature is considering a bill to change signage from "Gulf of Mexico" to "Gulf of America." Senator Joe Gruters' bill initially directs the Department of Transportation to rename the Tamiami Trail to the "Gulf of America Trail" and erect suitable markers. A staff report on March 10 indicates that the costs for complying with the bill's requirements for state and local governmental entities are unknown.
• Mid-March 2025 (Implied): The Republican-controlled Florida House and Senate pass bills (HB 575 and HB 549) to rename the Gulf of Mexico to the Gulf of America in state law and require state agencies and school districts to update "geographic materials" and instructional materials accordingly. Senator Gruters withdraws the provision to rename the Tamiami Trail after public outcry. He indicates that the changes in instructional materials will occur gradually as new materials are purchased.
• April 14, 2025: Florida Governor Ron DeSantis signs two bills (HB 575 and HB 549) into law. These bills officially rename the Gulf of Mexico to the Gulf of America in Florida state law and public school textbooks. The change will be reflected in new instructional materials purchased after July 1, 2025. Senators Nick DiCeglie and Joe Gruters attend the signing ceremony in the governor's office and express pride in following President Trump's leadership and emphasizing American greatness. Noticeably absent from the bill signing are members of the Florida House, reflecting ongoing tensions with the governor.
• After July 1, 2025: State agencies and school districts in Florida will begin adopting and acquiring new "geographic materials" and instructional materials (like textbooks and media center additions) that refer to the body of water as the Gulf of America.

Timeline of Main Events

• February 2025: The Trump administration initially fires more than 800 probationary workers at NOAA.
• March 2025: A federal court blocks the Trump administration's initial firing of NOAA workers, and they are reinstated.
• March 2025 (Late): The Trump administration begins cutting and withholding federal grants for several major universities, starting with $400 million in funding pulled from Columbia University. This is followed by a pause of $175 million in funding to the University of Pennsylvania and a review of roughly $9 billion in federal grants and contracts to Harvard.
• April 8, 2025: News reports about President Trump's NASA pick and their hearing for a top spot within the agency emerge.
• April 9, 2025: The Trump administration announces it is cutting nearly $4 million in federal funding for climate change research at Princeton University, citing "exaggerated and implausible climate threats" and increased "climate anxiety." This cut impacts the Cooperative Institute for Modeling the Earth System, a collaboration between NOAA and Princeton.
• April 10, 2025: The Trump administration informs NOAA workers that they are being fired again, following an appeals court overturning the earlier ruling that had blocked the terminations. This affects hundreds of climate and weather specialists.
• April 11, 2025:News breaks about President Trump's preliminary budget proposal to Congress, known as a "passback," which would cut NASA's science budget by nearly half.
• Details emerge that the proposed NASA cuts would severely impact astrophysics, heliophysics, Earth science, and planetary science, potentially terminating missions like the next major space telescope (including the Nancy Grace Roman Space Telescope) and the Mars Sample Return mission. The Hubble and Webb telescopes would remain supported.
• An internal budget document reveals the Trump administration's aim to end nearly all climate research conducted by NOAA. This includes eliminating NOAA's climate research centers, cutting hundreds of federal and academic climate scientists, and slashing funding for the Office of Oceanic and Atmospheric Research (OAR).
• The proposed NOAA budget cuts would also impact competitive climate research grants, regional climate data collection, the National Oceanographic Partnership Program, college and aquaculture sea grant programs, the National Ocean Service, and the National Marine Fisheries Service.
• NOAA forecasters declare the end of La Niña.

The recent changes in the US research and political landscape, particularly following the new administration of President Donald Trump, are having a profound negative impact on the US scientific and medical communities. Drastic cuts to research funding, widespread layoffs of federal scientists, immigration crackdowns, and concerns over academic freedom are leading to a significant exodus of talent from the United States. This briefing document outlines the main themes and important facts from the provided sources, highlighting the distress and uncertainty within these sectors and the increasing interest among US scientists and doctors in relocating to countries like Europe and Canada.

Key Themes and Findings:

1. Mass Exodus of Scientists Driven by Funding Cuts and Uncertainty:

• A Nature poll revealed that 75% of US scientists who responded (over 1,200 out of 1,600) are considering leaving the United States following the disruptions prompted by the Trump administration.
• "More than 1,200 scientists who responded to a Nature poll — three-quarters of the total respondents — are considering leaving the United States following the disruptions prompted by Trump." (Nature News)
• This trend is particularly strong among early-career researchers, with a large majority of postgraduate researchers (548 out of 690) and PhD students (255 out of 340) considering leaving.
• The primary drivers for this consideration are slashed research funding due to a government-wide cost-cutting initiative led by Elon Musk, and the halting of broad swathes of federally funded science.
• "Trump’s administration has slashed research funding and halted broad swathes of federally funded science, under a government-wide cost-cutting initiative led by billionaire Elon Musk." (Nature News)
• Tens of thousands of federal employees, including many scientists, have been fired and rehired following a court order, creating further instability and fear of future job losses.
• Researchers are experiencing uncertainty and disruption across all aspects of the US research enterprise due to immigration crackdowns and battles over academic freedom.

outlines the critical situation surrounding the Federal Emergency Management Agency (FEMA) as the Trump administration actively pursues its dismantling. This development coincides with a significant increase in climate-related major disaster declarations in the United States, reaching a near-record high in 2024. The turmoil within FEMA, including stalled funding, hiring freezes, and a planned reduction in force, threatens the agency's ability to effectively respond to the growing frequency and intensity of natural disasters. Experts warn that shifting disaster response responsibilities primarily to states, while simultaneously weakening FEMA, could have severe consequences for communities across the nation.

Main Themes and Important Ideas/Facts:

1. Trump Administration's Intent to Eliminate or Fundamentally Reform FEMA:

• Homeland Security Secretary Kristi Noem has vowed to "eliminate FEMA," and top officials from FEMA and DHS have met to discuss options for shutting down the agency.
• There are discussions about moving more quickly to dismantle FEMA instead of following President Trump's executive order establishing a FEMA Review Council.
• President Trump stated his desire to "begin the process of fundamentally reforming and overhauling FEMA, or maybe getting rid of FEMA."
• An executive order has been signed outlining the desire to shift more disaster response and recovery responsibility to the states.

2. Current Turmoil and Stalled Operations Within FEMA:

• FEMA is already in turmoil, with disaster assistance, grant money, and hiring largely stalled.
• Hurricane planning for the upcoming season has been paused: "March is typically when we’re finalizing hurricane plans. A lot of that got paused,” a FEMA official told CNN. “So, it’s already having an impact, which is that we’re not preparing.”
• A new hiring process requires direct approval from Secretary Noem's team for renewing the terms of many of the agency's workers, including those in public-facing roles critical for disaster response and recovery. These impacted positions include CORE, Reservists, Local Hires, and Temporary Fulltime Employees, which constitute roughly 74% of FEMA's workforce.
• "I think their terms will be allowed to expire, and they won’t be renewed," a FEMA official stated.
• Over $100 billion in previously awarded grant money and disaster assistance was frozen due to a lack of guidance on adhering to Trump's executive orders restricting funding for immigration programs and sanctuary cities. While guidance has since been issued, concerns about disruptions persist.
• Nearly all FEMA payments outside of individual disaster assistance have been paused, impacting states, localities, and nonprofits, including fire departments and disaster recovery efforts.
• The firing of four FEMA employees, including the chief financial officer, for approving grant money to New York City to help shelter migrants has had a "chilling effect" on FEMA workers, with fears of job loss for misconstrued payments.
• A hiring freeze is in place, and Acting Administrator Cameron Hamilton submitted a plan to Secretary Noem for reducing FEMA's workforce, aiming to "reduce the agency’s staffing posture through unification of like-functions and with care that enhances our ability to deliver the mission, examines our geographic footprint, and rebalances federal and state roles in disaster preparedness, response and recovery."

• The Critical Need for Rhino Translocation: Black rhinos are critically endangered, and translocation is a vital conservation tool to protect them from poaching, facilitate monitoring, and ensure genetic diversity. The species largely exists in isolated protected areas, making movement necessary for population health.
• The Revolutionizing Role of Helicopters in Rhino Conservation: Helicopters have become increasingly important for rhino translocation since the 1990s, with methods refining in the 2010s. They offer a faster and less stressful alternative to traditional ground transport.
• The Innovative "Upside Down" Airlifting Technique: Hanging rhinos upside down by their feet from helicopters has proven to be the safest and most aerodynamic method for transport, despite initially seeming counterintuitive.
• The Adaptation of Military Technology for Conservation: War-torn helicopters, particularly UH1-H Hueys from the Vietnam War, are now being used for rhino conservation, highlighting an ironic twist of repurposing machines of war for saving wildlife.
• The Ongoing Efforts and Future of Rhino Conservation: Conservationists are continually studying and improving translocation methods and envision incorporating new technologies like drones and satellites. The success of translocation projects offers hope for the future of rhino populations.

Key Ideas and Facts:

• Black Rhino Population Status and Threats: Black rhino populations declined drastically due to poaching and habitat loss, reaching a low point in the 1990s. While conservation efforts have led to an increase (roughly 6,500 today), they remain critically endangered.
• Reasons for Translocation: According to Ursina Rusch of WWF South Africa, rhinos are moved for three main reasons:
• Protection from poaching.
• Monitoring (including GPS telemetry insertion).
• Ensuring genetic diversity by increasing their range and preventing inbreeding.
• Rusch states, "If we don't translocate rhinos and create new populations, they will inbreed enough that they crash, or run out of resources and stop breeding."
• Advantages of Helicopter Transport:Speed: Aerial tracking and darting by helicopter significantly reduces the time taken to immobilize a rhino compared to on-foot tracking. "Whereas before veterinarians would have spent 20 minutes on-foot tracking a half-way-sedated rhino, the helicopter team now saves precious time by aerially tracking the rhino – and within four minutes, the rhino falls unconscious," says Rusch.
• Reduced Stress and Injury: Traditional ground transport in crates can cause muscle or horn damage and potentially occlude airways. "These road trips could be stressful for the rhino passengers; they're awake for the journey (albeit, sometimes, anaesthetised) and standing in a crate, which can cause muscle or horn damage – or even occlude their airways, which can be fatal."
• Access to Remote Areas: Helicopters can reach capture and release sites inaccessible by road, particularly important in regions like Namibia's Kunene. Robin Radcliffe of Cornell University notes, "Conservationists 'really only consider slinging' as a solution when the capture or release site is inaccessible by road, he says, or when slinging significantly cuts down on transport time."
• The "Upside Down" Method:Initially, conservationists tried transporting rhinos on boards and in nets, but these methods had drawbacks related to aerodynamics and breathing.

Wednesday, April 2, 2025:

• Early Morning: Weather alerts are in effect across the central U.S. as forecasters monitor developing storms. Thunderstorms in the Midwest could remain severe after sunrise, influencing the severe threat for the rest of the day. Lingering storms in parts of Kansas and Missouri will likely strengthen as they move east into the Mississippi Valley by the early afternoon.
• Daytime: A significant severe weather threat is anticipated across a large swath from Lower Michigan and the Ohio Valley southwestward through the mid-South and southern Plains. The SPC upgrades the severe weather threat to a Level 5 out of 5 (High Risk) for over 4.4 million people in major Tennessee cities like Memphis, Clarksville, and Jackson, as well as Evansville, Indiana, and Jonesboro, Arkansas.
• Mid-Afternoon: Additional storms will develop in the Mississippi Valley, with some potentially undergoing "explosive" development.
• Afternoon/Evening: A tornado outbreak is expected, particularly in the mid-Mississippi and lower Ohio Valleys and the eastern Ozarks. Numerous tornadoes, including multiple long-track EF3+ tornadoes, are likely. The greatest risk for tornadoes, some strong and long-lasting, will stretch from Arkansas to Indiana and Ohio, with many potentially occurring after sunset. The strongest storms could also dump baseball-sized hail in parts of the Mississippi Valley. Damaging wind gusts are also a significant threat. Severe thunderstorms could stretch from Louisiana and Arkansas north to Michigan, with a few more storms developing overnight in Texas. Schools in some areas dismiss students early and cancel after-school activities.
• Late Week (Starting Wednesday): The threat of significant, life-threatening flash flooding begins to grow in the Mississippi and Ohio valleys due to repeated rounds of heavy rain (training thunderstorms) moving over the same areas. Rainfall totals could exceed 5-8 inches in some spots within 24 hours, particularly from Arkansas into western Kentucky, on top of previous rainfall.

Thursday, April 3, 2025:

• Ongoing: The cold front will slow and stall from the Mississippi and Ohio valleys into the southern Plains. Even as the main storm system moves into Canada, daytime heating and high humidity will fuel another round of severe storms with damaging winds, large hail, and tornadoes possible.
• Flooding Intensifies: The expected prolonged heavy rain continues, with a Level 4 (highest threat level) flash flood risk for parts of western Tennessee and Kentucky. A Level 3 risk zone shifts slightly to the west. Rainfall totals could approach a foot in parts of the Mississippi and Ohio valleys through Sunday. The ground becomes increasingly saturated, increasing the risk of dangerous flash flooding. Areas repeatedly under the heaviest storms could see 2 to 6 inches of rain each day, especially from Arkansas to Indiana.

Friday, April 4, 2025:

• Ongoing: The flash flood threat remains significant, with a Level 3 risk zone shifting east again. The potential for heavy rain and severe storms continues in parts of the Mississippi and Ohio valleys.

• 14 September: A tropical wave moves off the west coast of Africa.
• Early October (Date unspecified): This tropical wave appears to have interacted with a pre-existing low-level trough west of the Cabo Verde Islands, contributing to Milton's genesis.
• 04 / 1800 UTC: Best track indicates the system is a low with a central pressure of 1009 mb and wind speeds of 30 kt, located at 21.0°N 94.6°W.
• 05 / 1200 UTC: The system strengthens into a tropical depression with a central pressure of 1008 mb and wind speeds of 30 kt, located at 22.0°N 95.5°W.
• 05 / 1800 UTC: The tropical depression intensifies into Tropical Storm Milton with a central pressure of 1006 mb and wind speeds of 35 kt, located at 22.5°N 95.5°W.
• 06 / 0300 UTC: A Tropical Storm Watch is issued for the coast of the Yucatan Peninsula of Mexico from Celestun to Cancun.
• 06 / 1500 UTC: A Tropical Storm Warning is issued for the coast of the Yucatan Peninsula of Mexico from Celestun to Cabo Catoche.
• 06 / 1800 UTC: Milton becomes a hurricane with a central pressure of 986 mb and wind speeds of 70 kt, located at 22.5°N 94.1°W.
• 06 / 2010 UTC: NOAA buoy 42055 (22.14N 94.11W) records a minimum sea level pressure of 997.5 mb and a maximum 1-minute sustained wind speed of 47 kt (gusts to 54 kt).
• 06 / 2100 UTC: A Hurricane Watch is issued for the coast of the Yucatan Peninsula of Mexico from Celestun to Cancun.
• 06 / 2100 UTC: The Tropical Storm Warning is extended along the coast of the Yucatan Peninsula of Mexico from Cabo Catoche to Dzilam.
• 07 / (Time uncertain): Milton reaches its peak intensity between aircraft missions.
• 07 / ~1700 UTC: An Air Force Reserve aircraft makes its last penetration of the eye, reporting maximum 700-mb flight-level winds of 158 kt and a central pressure fall from 925 mb to 912 mb.
• 07 / ~2000 UTC: Satellite imagery suggests Milton reaches its estimated peak intensity with maximum sustained winds of 155 kt and a minimum central pressure of 895 mb. At this time, it is centered about 85 nautical miles northwest of Merida.
• 07 / 0900 UTC: A Storm Surge Watch is first issued for the Florida Gulf Coast from Flamingo northward to the Suwannee River, including Charlotte Harbor and Tampa Bay.
• 07 / 1200 UTC: A Hurricane Watch is issued for the coast of the Yucatan Peninsula of Mexico south of Celestun to Campeche.
• 07 / 1200 UTC: A Tropical Storm Warning is issued for the coast of the Yucatan Peninsula of Mexico south of Celestun to Campeche.
• 07 / 1500 UTC: A Hurricane Watch is issued for Lake Okeechobee.
• 07 / 2040 UTC: Campeche (MMCP) in Mexico records a minimum sea level pressure of 1001.4 mb.
• 07 / 2100 UTC: A Hurricane Warning is issued for the Florida Gulf Coast from Bonita Beach northward to the mouth of the Suwannee River, including Tampa Bay.
• 07 / 2100 UTC: A Hurricane Watch is issued for the east coast of the Florida Peninsula from the St. Lucie/Indian River County Line northward to the mouth of the St. Mary’s River.
• 07 / 2100 UTC: A Tropical Storm Warning is issued for the Florida Gulf Coast south of Bonita Beach to Flamingo, including Lake Okeechobee.
• 07 / 2100 UTC: A Tropical Storm Warning is issued for the Florida Gulf Coast north of the mouth of the Suwannee River northward and westward to Indian Pass.

Meteorology Matters summarizes key developments and perspectives presented in the provided sources. Axios highlights administrative changes within NOAA, specifically the merging of the Climate Prediction Center (CPC) with the Weather Prediction Center (WPC). This move is reportedly driven by concerns about political vulnerability and potential budget cuts under the Trump administration, alongside a broader trend of reduced publicity around NOAA's climate change work. New research argues that climate science is facing an emerging "crisis" at regional scales due to accumulating discrepancies between model predictions based on the "standard approach" and real-world observations, coupled with disruptive advancements in computational approaches. Both topics underscore the complexities and challenges in understanding and predicting climate, albeit from different angles – one focusing on the institutional and political landscape of climate research, and the other on fundamental scientific paradigms.

• What is the "chemtrail" conspiracy theory? The "chemtrail" conspiracy theory posits that the condensation trails (contrails) left by aircraft are not merely water vapor, but rather intentionally dispersed chemical or biological agents ("chems"). Believers claim these substances are part of a secret, large-scale program orchestrated by governments or other powerful entities for purposes such as weather modification, population control, or biological warfare. This theory often arises from observations of contrails that linger and spread, forming hazy skies, which are misinterpreted as evidence of chemical spraying rather than natural atmospheric processes.
• What is the scientific explanation for contrails? Contrails, short for condensation trails, are clouds formed from the water vapor in aircraft engine exhaust. At high altitudes, the air is cold, and the aerosols (tiny particles) in the exhaust, such as soot and sulfur dioxide, act as condensation nuclei. Water vapor condenses and freezes around these particles, forming ice crystals. If the surrounding air is dry, contrails dissipate quickly. However, if the air is humid, contrails can persist and spread, sometimes merging to form larger cirrus clouds. This behavior is well-understood by atmospheric science and does not involve the intentional release of chemicals.
• How widespread is belief in the "chemtrail" conspiracy theory? Despite being consistently debunked by scientists, fact-checking organizations, and even courts, belief in the "chemtrail" conspiracy theory is surprisingly widespread. Surveys have indicated that a significant portion of the population holds some level of belief in these claims. The visual nature of contrails and the ease of sharing unverified information and photographs online contribute to the persistence and dissemination of the theory.
• What is solar geoengineering and how is it related to the "chemtrail" conspiracy theory? Solar geoengineering refers to proposed technologies that aim to reflect a small percentage of incoming sunlight back into space to counteract global warming. One prominent idea involves stratospheric aerosol injection, where tiny particles would be sprayed into the upper atmosphere. This concept shares a superficial resemblance with the "chemtrail" conspiracy theory in that both involve aerial spraying of substances by potentially state actors with observable atmospheric effects. This resemblance has contributed to the confusion and conflation of the two, with conspiracy theorists often misinterpreting discussions about legitimate solar geoengineering research as confirmation of ongoing secret "chemtrail" operations.
• Why is it challenging to address "chemtrail" misinformation? Several factors contribute to the difficulty of countering "chemtrail" misinformation. The visual "evidence" of contrails is readily available and easily photographed, providing a seemingly concrete basis for the theory. Distrust in government and scientific institutions, coupled with anxieties about environmental and health issues, can make people more susceptible to conspiratorial explanations.

Thursday, March 27, 2025:

• Heavy rain begins inundating South Texas, particularly the Rio Grande Valley near the border with Mexico.
• More than a half-year's worth of rain falls in some areas in a short period.
• The city of McAllen, Texas, experiences significant flooding, with streets becoming submerged and a hospital's first floor flooding, leading to patient diversions and visitation pauses.
• Eyewitness video shows cars submerged in floodwaters in McAllen.
• Portions of Interstate 2 in Hidalgo County become underwater, with abandoned vehicles and even a fire truck stranded.
• In Palm Valley, near Harlingen, residents like Jionni Ochoa experience floodwaters entering their homes.
• Across the border in Tamaulipas, Mexico, significant rainfall also occurs, leading to flooding in cities like Reynosa and Rio Bravo.

Friday, March 28, 2025:

• Morning:Rain continues in South Texas, though it begins to subside by the evening.
• Two flash flood warnings are in effect for eastern and west-central Cameron County, Texas.
• The Rio Grande River near San Benito, Texas, is recorded at 40.37 feet, with forecasts predicting it to rise significantly in the coming days.
• AccuWeather reports that at least five rain gauges in the area have recorded over 18 inches of rain in the past 48 hours. Harlingen airport reports 14.11 inches.
• Officials in Harlingen, Texas, report rescuing over 200 residents, with hundreds more awaiting rescue due to 21 inches of rain.
• Hidalgo County Judge Richard Cortez signs a local disaster declaration due to "widespread flooding and significant property damage," confirming three deaths.
• The city of Edinburg, the Hidalgo County seat, reports a "record-breaking downpour" causing flooding, stranded motorists, and facility damage.
• Texas Agriculture Commissioner Sid Miller describes the flooding as a "devastating tragedy" and notes significant agricultural and livestock losses in counties including Cameron, Hidalgo, Starr, and Willacy.
• A hospital in McAllen, Texas, reopens to visitors, though some parts of the first floor remain restricted due to flood damage.
• In Tamaulipas, Mexico, authorities report one drowning death in Reynosa. The Mexican Secretariat of Security and Citizen Protection states that over 1,100 people have been moved to temporary shelters after more than a foot of rain in 48 hours, with nearly 700 rescued.
• Cameron County Constable PCT 5 shares images on social media showing the extent of the flooding and rescue efforts in areas like Primera, Texas.
• Afternoon/Evening:The heavy rain in South Texas subsides.
• The National Weather Service forecasts the rains to move northeast toward Mississippi and Arkansas over the next several days.
• AccuWeather forecasts dry weather for South Texas over the weekend and into the first half of the following week, with above-normal temperatures.

Saturday, March 29, 2025:

• The Rio Grande River near San Benito, Texas, is forecast to rise to 48.6 feet.
• A multiday episode of severe weather, including potential tornadoes, is forecast to begin across the central and eastern U.S., starting in Oklahoma, Kansas, and Missouri.

Sunday, March 30, 2025:

• The greatest risk of severe weather, including strong tornadoes, is forecast across the Mississippi and Ohio Valleys.

Tuesday, April 1, 2025:

• The Rio Grande River near San Benito, Texas, is forecast to reach 51.4 feet.