Severe

Significant threat to life or property

Flash Flood Warning Hawaii | Effective 03/14/2026 11:34

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> At 834 AM HST, radar indicated heavy rain continued to impact the<br /> Puna and Kau Districts along the southeast slopes of the Big Island.<br /> Rain was falling at a rate of 1 to 2 inches per hour. Additionally,<br /> Emergency Management reported that Highway 11 was closed at Kawa<br /> flats due to flooding. HAZARD...Flash flooding caused by heavy rain. SOURCE...Radar and automated gauges. IMPACT...Flooding in drainages, streams, rivers, roads,<br />

Lakeshore Flood Warning Michigan | Effective 03/14/2026 11:36

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Significant lakeshore flooding expected with wave heights<br /> of 15 to 25 feet possible. * WHERE...Ontonagon County. * WHEN...From 11 PM Sunday to 5 PM EDT Monday. * IMPACTS...Numerous roads closed and low lying property including<br /> parking lots, lawns, and homes and businesses will be inundated<br /> near the lake. Some shoreline erosion will occur. Instruction:<br /> If travel is required, allow extra time as some roads may be<br />

Lakeshore Flood Warning Michigan | Effective 03/14/2026 11:36

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Significant lakeshore flooding expected with wave heights<br /> of 15 to 25 feet possible. * WHERE...Keweenaw and Northern Houghton Counties. * WHEN...From 8 PM Sunday to 11 PM EDT Monday. * IMPACTS...Numerous roads closed and low lying property including<br /> parking lots, lawns, and homes and businesses will be inundated<br /> near the lake. Some shoreline erosion will occur. Instruction:<br /> If travel is required, allow extra time as some roads may be<br />

Lakeshore Flood Warning Michigan | Effective 03/14/2026 11:36

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Significant lakeshore flooding expected with wave heights<br /> of 15 to 25 feet possible. * WHERE...Luce County. * WHEN...From 5 AM Monday to 2 AM EDT Tuesday. * IMPACTS...Numerous roads closed and low lying property including<br /> parking lots, lawns, and homes and businesses will be inundated<br /> near the lake. Some shoreline erosion will occur. Instruction:<br /> If travel is required, allow extra time as some roads may be<br />

Lakeshore Flood Warning Michigan | Effective 03/14/2026 11:36

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Significant lakeshore flooding expected with wave heights<br /> of 20 to 30 feet possible. * WHERE...Alger County. * WHEN...From 8 PM Sunday to 8 AM EDT Tuesday. * IMPACTS...Numerous roads closed and low lying property including<br /> parking lots, lawns, and homes and businesses will be inundated<br /> near the lake. Some shoreline erosion will occur. Instruction:<br /> If travel is required, allow extra time as some roads may be<br />

Lakeshore Flood Warning Michigan | Effective 03/14/2026 11:36

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Significant lakeshore flooding expected with wave heights<br /> of 20 to 30 feet possible. * WHERE...Marquette County. * WHEN...From 8 PM Sunday to 2 AM EDT Tuesday. * IMPACTS...Numerous roads closed and low lying property including<br /> parking lots, lawns, and homes and businesses will be inundated<br /> near the lake. Some shoreline erosion will occur. Instruction:<br /> If travel is required, allow extra time as some roads may be<br />

Extreme Heat Watch Arizona | Effective 03/14/2026 11:37

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHERE...Portions of south central and southwest Arizona. * WHEN...From Thursday morning through Sunday, March 22. * IMPACTS...Heat related illnesses increase significantly during<br /> extreme heat events. * ADDITIONAL DETAILS...Afternoon high temperatures between 103 and<br /> 108 degrees. Instruction:<br /> An Extreme Heat Watch means that a period of very hot temperatures,<br /> even by local standards, may occur. Actions should be taken to<br />

Extreme Heat Watch Arizona | Effective 03/14/2026 11:37

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHERE...Apache Junction/Gold Canyon, Cave Creek/New River, and<br /> Fountain Hills/East Mesa. * WHEN...From Thursday morning through Sunday, March 22. * IMPACTS...Heat related illnesses increase significantly during<br /> extreme heat events. * ADDITIONAL DETAILS...Afternoon high temperatures between 103 and<br /> 108 degrees. Instruction:<br /> An Extreme Heat Watch means that a period of very hot temperatures,<br />

Extreme Heat Watch Arizona, California | Effective 03/14/2026 11:37

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHERE...Portions of southwest Arizona and southeast and southern<br /> California. * WHEN...From Wednesday morning through Sunday, March 22. * IMPACTS...Heat related illnesses increase significantly during<br /> extreme heat events. * ADDITIONAL DETAILS...Afternoon high temperatures between 103 and<br /> 108 degrees. Instruction:<br /> An Extreme Heat Watch means that a period of very hot temperatures,<br />

Extreme Heat Watch Arizona | Effective 03/14/2026 11:37

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHERE...The Northwest Valley of the Phoenix Metro Area, The East<br /> Valley of the Phoenix Metro Area, Buckeye/Avondale, Deer Valley,<br /> Central Phoenix, North Phoenix/Glendale, Scottsdale/Paradise<br /> Valley, South Mountain/Ahwatukee, and Southeast Valley/Queen Creek. * WHEN...From Thursday morning through Sunday, March 22. * IMPACTS...Heat related illnesses increase significantly during<br /> extreme heat events.
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