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Midwest Tornado and Flooding Cleanup Expands with Michigan State of Emergency; NOAA SWPC Reports G2 Geomagnetic Storm
Episode 15220th April 2026 • EM Morning Brief • Brian Colburn
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Today’s EM Morning Brief covers the continued federal response to Super Typhoon Sinlaku in Guam and the CNMI, where U.S. Coast Guard operations press northward and ports at Saipan, Tinian, and Rota remain closed. Michigan’s statewide emergency has expanded to Ann Arbor, Kalamazoo, and 38 counties as flooding and dam concerns persist at the Cheboygan Lock and Dam Complex. Cleanup continues across Wisconsin, Illinois, and Minnesota after Friday’s EF-3 and EF-2 tornado outbreak, and the National Interagency Fire Center reports national preparedness at PL 2 with fire activity running at roughly 200 percent of the 10-year average. NOAA’s Space Weather Prediction Center reports G2 moderate geomagnetic storm levels, and USGS recorded a M4.7 earthquake near Reno, Nevada, and a small M3.0 offshore event near Charlotte Amalie, U.S. Virgin Islands. EM Morning Brief is your concise daily update on national and state-by-state emergency management news. Produced by Sitch Radio, an EOC Voices podcast.

Key Takeaways

Typhoon Sinlaku response: USCG operations continue in Guam and CNMI; ports at Saipan, Tinian, and Rota remain closed as federal and territorial partners restore power, water, and road access.

FEMA Hawaii Kona Low: Residents of Hawai’i, Maui, and Honolulu counties can apply for Individual Assistance under DR-4909-HI through June 7, 2026.

Michigan state of emergency: 38 counties plus Ann Arbor and Kalamazoo now covered; Cheboygan Lock and Dam Complex remains at Level 2 with evacuation preparation in effect.

Midwest tornado outbreak recovery: EF-3 in Marathon County, WI (approximately 75 homes damaged); EF-2 tornadoes confirmed in Lena, IL and Marion Township, MN; Ann Arbor, MI debris removal began April 20.

NIFC IMSR: National preparedness level is PL 2; 992 personnel assigned to uncontained large fires; YTD acreage is approximately 200 percent of the 10-year average.

Texas Neon White Fire: 1,259 acres and 90 percent contained near Dickens as of April 19.

Space weather: NOAA SWPC reports G2 (Moderate) geomagnetic storm; minor grid, HF radio, and satellite impacts possible at high latitudes.

Seismic activity: USGS M4.7 near Reno, Nevada (April 19) and M3.0 offshore USVI near Charlotte Amalie (April 20); no damage reported.

Sources

FEMA

FEMA — President Trump Approves Emergency Declaration for Guam (April 17, 2026)

FEMA — President Trump Approves Emergency Declaration for the Commonwealth of the Northern Mariana Islands (April 17, 2026)

FEMA — Residents of Maui, Hawaii and Honolulu Counties Impacted by March Kona Low Can Apply for Assistance (April 17, 2026)

FEMA — DR-4909-HI Hawaii Kona Low Weather Systems

FEMA — Disasters and Other Declarations (index)

NIFC / Wildfire

NIFC — Incident Management Situation Report, Sunday April 19, 2026 (PDF)

NIFC — Fire Information

NOAA / NWS / SWPC

NOAA SWPC — G2 (Moderate) Geomagnetic Storm Levels Reached

NOAA SWPC — Homepage (3-day forecast and alerts)

NWS Quad Cities — April 17, 2026 event summary (updated April 19)

USGS

USGS — Latest Earthquakes map

USGS Earthquake Hazards Program

USCG / Typhoon Sinlaku

Maui Now — USCG recovery intensifies, support continues in Guam following Super Typhoon Sinlaku (April 19, 2026)

NPR Marianas (Isla Public) — FEMA assesses damage after Super Typhoon Sinlaku made landfall in the CNMI (April 19, 2026)

Hawaii

Office of the Governor Josh Green — FEMA Affirms Presidential Major Disaster Declaration for Hawai’i

Hawaii News Now — FEMA affirms Major Disaster Declaration for Hawaii (April 16, 2026)

Illinois

Shaw Local / Sauk Valley — Multiple tornadoes sweep through northern Illinois; EF-2 tornado destroys homes in Lena (April 19, 2026)

NWS Quad Cities — April 17, 2026 event summary (updated April 19)

Michigan

Michigan MSP/EMHSD — 2026 Statewide Flooding

Michigan MSP/EMHSD — 2026 Cheboygan Lock and Dam Complex

City of Ann Arbor — Ann Arbor was hit hard by a severe storm. Here’s what residents should know

Click On Detroit — Whitmer declares state of emergency for Ann Arbor after EF-1 tornado (April 18, 2026)

Minnesota

FOX 9 Minneapolis — 6 tornadoes confirmed in southeastern Minnesota and western Wisconsin (Olmsted County storm damage)

Post Bulletin — Storm cleanup near Marion Road Southeast on April 18, 2026

Nevada

EarthquakeList.org — Shallow M4.7 earthquake near Reno, Nevada (April 19, 2026)

Texas

Wikipedia — 2026 Texas wildfires (Neon White Fire details)

NIFC — IMSR April 19, 2026 (national context)

Wisconsin

Wausau Pilot & Review — EF-3 tornado that tore through Weston and Ringle packed winds up to 145 mph (April 19, 2026)

Wisconsin DNR — Flood Waters Begin To Recede At Portage; Road Closures Remain, Well Water Testing Offered

Ready Wisconsin — April 2026 Severe Storms and Flooding

Guam / CNMI

FEMA — Emergency Declaration for Guam (April 17, 2026)

FEMA — Emergency Declaration for the Commonwealth of the Northern Mariana Islands (April 17, 2026)

Maui Now — USCG recovery intensifies, support continues in Guam (April 19, 2026)

U.S. Virgin Islands

USGS — Latest Earthquakes map (M3.0 offshore Charlotte Amalie, April 20, 2026)

Transcripts

Speaker A:

Good morning.

Speaker A:

,:

Speaker A:

The US Coast Guard cutter Oliver Henry moored in Tinian on April 20 as crews pressed north to reach communities still isolated by storm damage and April harbor safety assessments were completed the day before.

Speaker A:

Ports in Saipan, Tinian and Rota remain closed pending post storm assessments of waterways and navigational aids.

Speaker A:

Federal emergency declarations cover both territories and power.

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Water and road restoration is ongoing with federal resources deployed.

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Michigan remains under an active statewide emergency as spring snowmelt and repeated rounds of heavy rain keep rivers at or above flood stage.

Speaker A:

Governor Gretchen Whitmer's State of Emergency now covers Ann Arbor, Kalamazoo and 38 counties after an April 18 expansion.

Speaker A:

Official update Published 48 hours ago the Sheboygan Lock and Dam complex remains at level two, indicating a high probability of needed evacuation, and the State Emergency Operations center remains activated.

Speaker A:

Statewide recovery continues across the central United States after Friday's multistate tornado outbreak.

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The National Weather Service confirmed an EF3 tornado with estimated peak winds of 145 mph that tracked 13.5 miles through Cronenwetter, Weston and Ringle in Marathon County, Wisconsin, damaging approximately 75 homes.

Speaker A:

EF2 tornadoes were confirmed in Lena, Illinois Stevenson county and near Stewartville and Marion Township, Minnesota Olmsted county, where more than 50 homes sustained damage.

Speaker A:

Debris removal and damage assessment continue across affected communities.

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The National Interagency Fire Center's Incident Management Situation Report for Sunday, April 19th lists the national preparedness level at PL2, with 992 personnel assigned to uncontained large fires.

Speaker A:

Official update published 24 hours ago.

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Year to date totals stand at 20,915 fires and roughly 1.75 million acres burned, approximately 200% of the 10 year average.

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In Texas, the neon white fire near Dickens is 1,259 acres and 90% contained as of Sunday.

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The NOAA Space Weather prediction center reports G2 moderate geomagnetic storm levels were reached on April 19th as a fast solar wind stream from a large coronal hole combined with a CO rotating interaction region G1.

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G2 conditions can cause weak power grid fluctuations, limited HF radio impacts at higher latitudes and aurora visible at high latitudes.

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Separately, the US Geological Survey recorded a shallow M4.7 earthquake about 43 miles from Reno, Nevada on April 19 and a small M3.0 offshore earthquake near Charlotte, Amelie, US Virgin Islands on April 20.

Speaker A:

No damage was reported from either event.

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Let's run through the states.

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ajor Disaster Declaration Dr.:

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-:

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,:

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Illinois Recovery continues in Lena Stevenson county after an EF2 tornado on April 17 cut an 8.5 mile path with estimated peak winds of 130 miles per hour.

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Three homes on Grove street lost their roof structures and two experienced partial exterior wall collapses.

Speaker A:

The Stevenson County Sheriff's Office is limiting access to the village while downed power lines and debris are cleared.

Speaker A:

Michigan governor Whitmer's state of emergency now covers Ann Arbor, Kalamazoo and 38 counties following the April 15 EF1 Ann Arbor tornado and ongoing flooding across the Lower Peninsula.

Speaker A:

The city of Ann Arbor began emergency debris removal on April 20th in the hardest hit areas.

Speaker A:

The Sheboygan Lock and Dam complex remains at Level two, with residents in the flood zone asked to prepare to evacuate.

Speaker A:

Minnesota the Olmsted County Sheriff's Office reports more than 50 homes damaged in Marion and Quincy townships and northeastern Stewartville after a 9.67 mile EF2 tornado with estimated peak winds near 130 mph on April 17.

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No injuries were reported.

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Portions of Marion Road southeast saw temporary closures on April 18th for cleanup.

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Nevada USGS recorded a shallow M4.7 earthquake approximately 43 miles from Reno on the morning of April 19th.

Speaker A:

No injuries or damage have been reported.

Speaker A:

Texas the Texas A and M Forest Service reports the neon Whitefire, approximately nine miles northeast of Dickens is 1,259 acres and 90% contained as of Sunday, April 19.

Speaker A:

Additional firefighters and heavy equipment remain on scene.

Speaker A:

Wisconsin the NWS confirmed an EF3 tornado with winds of 145 mph that tracked 13.5 miles through Cronenwetter, Weston, Ringel and near Easton in Marathon county on April 17, damaging about 75 homes.

Speaker A:

No fatalities have been reported.

Speaker A:

Separately, the Wisconsin river at Portage crested at 20.47ft, just below the record before Wisconsin DNR reported floodwaters beginning to recede.

Speaker A:

Several road closures remain in place.

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All other states have no significant updates in the last 24 hours.

Speaker A:

Guam Federal response to Super Typhoon Sinlaku continues under the Presidential Emergency declaration approved April 17.

Speaker A:

USCGC Oliver Henry moored in Tinian on April 20 after crews completed safety assessments at Apra harbor on April 19.

Speaker A:

Port status in Apra remains under active evaluation as waterway and navigational aid assessments continue.

Speaker A:

Northern Mariana Islands, Saipan, Tinian and Rota remain in active response under the Presidential Emergency declaration approved April 17.

Speaker A:

Power, Water and road access are not fully restored across all three islands, and the CNMI has requested additional labor support.

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Shelter operations may be extended as lifeline restoration continues.

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FEMA damage assessments are ongoing.

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US Virgin Islands USGS recorded a small M3.0 offshore earthquake near Charlotte Amelie, St Thomas island on April 20 at a depth of 13 km.

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No injuries or damage reported.

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All other territories and the District of Columbia have no significant updates in the last 24 hours.

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Stay safe.

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