Expected

Responsive action SHOULD be taken soon (within next hour)

Extreme Heat Warning Arizona | Effective 03/21/2026 13:39

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Dangerously hot conditions. Afternoon temperatures 99 to<br /> 106. Overexposure can cause heat cramps and heat exhaustion to<br /> develop and, without intervention, can lead to heat stroke. * 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 />

Extreme Heat Warning Arizona | Effective 03/21/2026 13:39

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Dangerously hot conditions. Afternoon temperatures 94 to<br /> 105. Overexposure can cause heat cramps and heat exhaustion to<br /> develop and, without intervention, can lead to heat stroke. * WHERE...Apache Junction/Gold Canyon, Cave Creek/New River,<br /> Dripping Springs, Fountain Hills/East Mesa, New River Mesa, Rio<br /> Verde/Salt River, and Superior. * WHEN...Until 8 PM MST Sunday. * IMPACTS...Heat related illnesses increase significantly during<br />

Extreme Heat Warning Arizona, California | Effective 03/21/2026 13:39

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Dangerously hot conditions. Afternoon temperatures 94 to<br /> 108. Overexposure can cause heat cramps and heat exhaustion to<br /> develop and, without intervention, can lead to heat stroke. * WHERE...Portions of southwest Arizona and southeast and southern<br /> California. * WHEN...Until 8 PM MST /8 PM PDT/ Sunday. * IMPACTS...Heat related illnesses increase significantly during<br /> extreme heat events. Instruction:<br />

Extreme Heat Warning Arizona | Effective 03/21/2026 13:39

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Dangerously hot conditions. Afternoon temperatures 97 to<br /> 107. Overexposure can cause heat cramps and heat exhaustion to<br /> develop and, without intervention, can lead to heat stroke. * WHERE...Portions of south central and southwest Arizona. * WHEN...Until 8 PM MST Sunday. * IMPACTS...Heat related illnesses increase significantly during<br /> extreme heat events. Instruction:<br /> To reduce risk during outdoor work, the Occupational Safety and<br />

Rip Current Statement Florida | Effective 03/21/2026 12:59

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Dangerous rip currents. * WHERE...Northeast Florida Beaches. * WHEN...Until 3 AM EDT Sunday. * IMPACTS...Rip currents can sweep even the best swimmers away<br /> from shore into deeper water. Instruction:<br /> Swim near a lifeguard. If caught in a rip current, relax and<br /> float. Don't swim against the current. If able, swim in a<br /> direction following the shoreline. If unable to escape, face the<br /> shore and call or wave for help.

Special Weather Statement Tennessee | Effective 03/21/2026 13:21

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> At 421 PM EDT, Doppler radar was tracking a strong thunderstorm 7<br /> miles east of Clinton, moving east at 30 mph. HAZARD...Wind gusts up to 40 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around<br /> unsecured objects. Minor hail damage to vegetation is<br /> possible. Locations impacted include...<br /> Knoxville, Halls, House Mountain State Park, Maloneyville, Mascot,<br /> and Andersonville.

Red Flag Warning Oklahoma, Texas | Effective 03/21/2026 12:54

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> Elevated fire weather conditions continue today and will escalate<br /> to critical Sunday, with a significant wind shift expected to<br /> move through the forecast area Sunday. * WINDS...Southwest winds becoming north 20 to 30 mph with gusts<br /> up to 45 mph. * RELATIVE HUMIDITY...As low as 10 percent. * TEMPERATURES...Highs near 75 northwest Oklahoma to near 100<br /> north Texas. * IMPACTS...Any fires that develop will likely spread rapidly.<br />

Red Flag Warning Oklahoma, Texas | Effective 03/21/2026 12:54

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> Elevated fire weather conditions continue today and will escalate<br /> to critical Sunday, with a significant wind shift expected to<br /> move through the forecast area Sunday. For Saturday: * WINDS SATURDAY...South 10 to 20 mph with gusts up to 25 mph. * RELATIVE HUMIDITY SATURDAY...As low as 5 to 10 percent. * TEMPERATURES SATURDAY...Highs 95 to 100. * SEVERITY SATURDAY... FUELS (ERC)...90th+ percentile...5 (out of 5). WEATHER...Elevated...1 (out of 5).

Red Flag Warning Oklahoma, Texas | Effective 03/21/2026 12:54

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> Elevated fire weather conditions continue today and will escalate<br /> to critical Sunday, with a significant wind shift expected to<br /> move through the forecast area Sunday. For Saturday: * WINDS SATURDAY...South 10 to 20 mph with gusts up to 25 mph. * RELATIVE HUMIDITY SATURDAY...As low as 5 to 10 percent. * TEMPERATURES SATURDAY...Highs 95 to 100. * SEVERITY SATURDAY... FUELS (ERC)...90th+ percentile...5 (out of 5). WEATHER...Elevated...1 (out of 5).

Wind Advisory , Alaska | Effective 03/21/2026 12:38

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Southeast winds 20 to 30 mph with gusts up to 50 mph<br /> expected. * WHERE...Prince of Wales Island, City and Borough of Wrangell,<br /> Ketchikan Gateway Borough and Annette Island. * WHEN...From 7 AM to 7 PM AKDT Saturday. * IMPACTS...Gusty winds could blow around unsecured objects. Use<br /> extra caution if traveling by land, sea, or air. * ADDITIONAL DETAILS...The strongest wind gusts will occur<br /> beginning late Saturday morning. Instruction:<br />
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