Alert archive / California / Alameda County

Weather alerts in Alameda County, California, 2011

35 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Alameda County and its neighbors

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

Alerts
35
Warnings
6
Watches
2
Advisories
27
Busiest month
January7 alerts
Busiest day
February 17, 20113 alerts

Over time

By month

The alerts

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

IssuedProductOfficeLasted
Jan 13, 11:16 PM PSTDense Fog AdvisoryMTR10 hr
Jan 16, 5:21 AM PSTDense Fog AdvisoryMTR6 hr
Jan 16, 3:00 PM PSTDense Fog AdvisoryMTR20 hr
Jan 17, 2:24 PM PSTDense Fog AdvisoryMTR21 hr
Jan 26, 2:59 AM PSTDense Fog AdvisoryMTR7 hr
Jan 27, 2:31 AM PSTDense Fog AdvisoryMTR7 hr
Jan 27, 2:14 PM PSTDense Fog AdvisoryMTR20 hr
Feb 15, 5:22 PM PSTWind AdvisoryMTR8 hr
Feb 17, 9:03 AM PSTAreal Flood AdvisoryMTR31 days
Feb 17, 9:06 AM PSTAreal Flood AdvisoryMTR6 hr
Feb 17, 12:47 PM PSTAreal Flood AdvisoryMTR2 hr
Feb 25, 7:30 AM PSTAreal Flood AdvisoryMTR75 min
Feb 26, 5:40 AM PSTFreeze WarningMTR26 hr
Mar 1, 4:17 AM PSTWind AdvisoryMTR26 hr
Mar 11, 2:57 PM PSTTsunami AdvisoryAAQ17 hr
Mar 18, 9:49 AM PDTHigh Wind WatchMTR28 hr
Mar 19, 1:54 PM PDTHigh Wind WarningMTR16 hr
Mar 19, 1:54 PM PDTWind AdvisoryMTR16 hr
Mar 23, 3:24 PM PDTWind AdvisoryMTR27 hr
Mar 23, 3:44 PM PDTAreal Flood AdvisoryMTR24 hr
Jun 21, 10:28 AM PDTHeat AdvisoryMTR10 hr
Jul 2, 3:18 AM PDTHeat AdvisoryMTR8 hr
Jul 2, 3:18 AM PDTHeat AdvisoryMTR41 hr
Sep 9, 12:02 PM PDTFire Weather WatchMTR16 hr
Sep 9, 12:02 PM PDTRed Flag WarningMTR23 hr
Nov 26, 2:54 PM PSTDense Fog AdvisoryMTR14 hr
Nov 27, 6:50 AM PSTDense Fog AdvisoryMTR3 hr
Nov 27, 7:19 PM PSTDense Fog AdvisoryMTR16 hr
Nov 28, 9:55 PM PSTDense Fog AdvisoryMTR14 hr
Nov 29, 3:24 AM PSTWind AdvisoryMTR3 days
Nov 29, 8:30 PM PSTDense Fog AdvisoryMTR13 hr
Dec 5, 2:56 AM PSTFrost AdvisoryMTR30 hr
Dec 22, 1:51 PM PSTFreeze WarningMTR19 hr
Dec 23, 1:33 PM PSTFreeze WarningMTR19 hr
Dec 24, 1:13 PM PSTFreeze WarningMTR20 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordForecastThe 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.