Live/Severe Alerts/Record/October 21, 2026
Warnings and watches, October 21, 2026
Every warning and watch the weather service first issued on October 21, 2026 (UTC), in the order of its hazards, each a door to its own report; a warning tagged with a damage threat with the most severe it reached; a river flood with the category of its flooding and its crest; the space weather that began that day, by the NOAA scales; and each volcano whose alert level changed.
Severe Thunderstorm Warning 10
- Greenlee, AZTucson AZ, from Oct 20, 5:49 PM MST to Oct 20, 6:30 PM MST
- Maricopa, AZPhoenix AZ, from Oct 20, 9:49 PM MST to Oct 20, 10:30 PM MST
- Maricopa, AZPhoenix AZ, from Oct 20, 10:28 PM MST to Oct 20, 11:15 PM MST
- Gila, AZ; Maricopa, AZPhoenix AZ, from Oct 20, 11:11 PM MST to Oct 20, 11:45 PM MST
- Gila, AZFlagstaff AZ, from Oct 20, 11:38 PM MST to Oct 21, 12:15 AM MST
- Gila, AZFlagstaff AZ, from Oct 21, 12:12 AM MST to Oct 21, 12:45 AM MST
- Yavapai, AZFlagstaff AZ, from Oct 21, 12:23 AM MST to Oct 21, 1:00 AM MST
- Coconino, AZFlagstaff AZ, from Oct 21, 12:29 AM MST to Oct 21, 1:00 AM MST
- Gila, AZ; Yavapai, AZFlagstaff AZ, from Oct 21, 12:52 AM MST to Oct 21, 1:15 AM MST
- Coconino, AZFlagstaff AZ, from Oct 21, 1:08 AM MST to Oct 21, 1:30 AM MST
Special Marine Warning 1
Coastal Flood Warning 1
Gale Warning 2
- Clarence StraitJuneau AK, from Oct 20, 7:00 PM AKDT to Oct 21, 5:00 AM AKDT
- Clarence StraitJuneau AK, from Oct 20, 7:00 PM AKDT to Oct 21, 5:00 AM AKDT
Gale Watch 3
- Coastal Waters from Eastport, ME to Schoodic Point, ME out 25 NM; Coastal Waters from Schoodic Point, ME to Stonington, ME out 25 NMCaribou ME, from Oct 22, 5:00 PM EDT to Oct 23, 5:00 PM EDT
- Waters from Stonington ME to Port Clyde ME from 25 to 60 NM; Waters from Port Clyde ME to Cape Elizabeth ME from 25 to 60 NM; Waters from Cape Elizabeth ME to Merrimack River MA from 25 to 60 NMGray ME, from Oct 22, 8:00 PM EDT to Oct 23, 2:00 PM EDT
- Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NMBoston/Norton MA, from Oct 22, 5:00 PM EDT to Oct 23, 2:00 PM EDT