Alert archive / Arizona / Red Flag Warnings / 2011

Red Flag Warnings in Arizona, April 2011

20 red flag warnings in April 2011. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of red flag warnings reaches back to 2005.

Red Flag Warnings by county

Each county as a circle sized by its count in April 2011. Tap one for its archive.

Red Flag Warnings
20
Busiest day
April 28, 20114 red flag warnings

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

Every alert, in the order issued. Times are local, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
Apr 1, 2:54 PM MSTRed Flag WarningFGZApache, Coconino, Navajo28 hr
Apr 2, 2:05 PM MSTRed Flag WarningTWC29 hr
Apr 6, 4:34 AM MSTRed Flag WarningTWC9 hr
Apr 8, 5:02 AM MSTRed Flag WarningTWC13 hr
Apr 12, 2:23 PM MSTRed Flag WarningFGZApache, Coconino, Navajo30 hr
Apr 17, 2:05 PM MSTRed Flag WarningTWC29 hr
Apr 18, 2:49 AM MSTRed Flag WarningFGZApache, Coconino, Navajo16 hr
Apr 20, 2:45 PM MSTRed Flag WarningFGZApache, Coconino, Navajo29 hr
Apr 22, 2:05 PM MSTRed Flag WarningTWC30 hr
Apr 23, 2:58 PM MSTRed Flag WarningTWC28 hr
Apr 25, 3:49 AM MSTRed Flag WarningFGZApache, Coconino, Navajo40 hr
Apr 25, 2:05 PM MSTRed Flag WarningTWC29 hr
Apr 26, 4:00 AM MSTRed Flag WarningPSRGila, La Paz, Maricopa, Pinal, Yuma16 hr
Apr 28, 2:34 AM MSTRed Flag WarningTWC41 hr
Apr 28, 3:11 AM MSTRed Flag WarningFGZApache, Coconino, Gila, Navajo, Yavapai41 hr
Apr 28, 4:56 AM MSTRed Flag WarningPSRGila, La Paz, Maricopa, Pinal, Yuma39 hr
Apr 28, 2:34 PM MSTRed Flag WarningPSRLa Paz, Maricopa, Pinal, Yuma52 hr
Apr 29, 1:33 PM MSTRed Flag WarningTWC30 hr
Apr 29, 2:53 PM MSTRed Flag WarningVEFMohave30 hr
Apr 30, 3:37 AM MSTRed Flag WarningFGZApache, Navajo12 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20102012

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.