Expected

Responsive action SHOULD be taken soon (within next hour)

Hawaii Ashfall Advisory | Effective 04/23/2026 06:22

* WHAT...Kilauea is erupting lava fountains within the summit caldera. Fountaining episodes typically last less than 12 hours but ash can remain in the air longer depending on wind and weather conditions. * WHERE...Big Island South and Big Island Southeast, in particular over Naalehu and Pahala. * WHEN...Until 10 AM HST this morning. * IMPACTS...The public will be affected by a limited hazard extent. Varying levels of tephra, including ash, Peles hair and other

Pennsylvania Special Weather Statement | Effective 04/23/2026 05:30

There is an elevated risk for fire spread today across portions of eastern Pennsylvania. Minimum relative humidity values will drop to around 25 to 35 percent this afternoon. This will be accompanied by temperatures rising generally rising into the 70s and northwest winds around 10 to 15 gusting 20 to 25 mph. These conditions could support the rapid spread of any fires that ignite, which could quickly become difficult to control. Conditions improve during the evening as the wind diminishes and

Pennsylvania Special Weather Statement | Effective 04/23/2026 05:34

A combination of dry and windy conditions this afternoon will create an elevated risk of wildfire spread across eastern Pennsylvania, especially east of US-15. Minimum relative humidity values will range from 25 to 35 percent accompanied by wind gusts between 15 and 20 mph. Residents are urged to exercise caution if handling any potential ignition sources, such as machinery, cigarettes, or matches. If dry grasses and tree litter begin to burn, the fire will have the potential to spread rapidly.

Pennsylvania Special Weather Statement | Effective 04/23/2026 05:40

A combination of dry and windy conditions this afternoon will create an elevated risk of wildfire spread across Northeast Pennsylvania. Minimum relative humidity values will range from 25 to 35 percent accompanied by wind gusts between 15 and 25 mph. Residents are urged to exercise caution if handling any potential ignition sources, such as machinery, cigarettes, or matches. If dry grasses and tree litter begin to burn, the fire will have the potential to spread rapidly.

Alaska Blizzard Warning | Effective 04/23/2026 05:00

* WHAT...Blizzard conditions. Additional snow accumulations up to one inch. * WHERE...Bering Strait Coast. * WHEN...Until 4 PM AKDT this afternoon. * IMPACTS...Travel could be difficult. Areas of blowing snow could significantly reduce visibility. Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. Visit 511.alaska.gov or call 5 1 1 for the latest road conditions.

Alaska Blizzard Warning | Effective 04/23/2026 05:00

* WHAT...Blizzard conditions. Additional snow accumulations between 2 and 4 inches. Winds gusting as high as 45 mph. * WHERE...St Lawrence Island. * WHEN...Until 4 AM AKDT Friday. * IMPACTS...Travel could be very difficult. Areas of blowing snow could significantly reduce visibility. Strong winds could result in power outages. Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle.
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