Alert archive / California / Napa County

Weather alerts in Napa County, California, 2021

45 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Napa County and its neighbors

Each county as a circle sized by its count in 2021. Tap one for its archive.

Alerts
45
Warnings
8
Watches
5
Advisories
30
Busiest month
January10 alerts
Busiest day
October 24, 20216 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 5, 4:02 AM PSTDense Fog AdvisoryMTR7 hr
Jan 10, 1:09 AM PSTCoastal Flood AdvisoryMTR36 hr
Jan 11, 2:35 PM PSTCoastal Flood AdvisoryMTR22 hr
Jan 14, 4:34 AM PSTDense Fog AdvisoryMTR5 hr
Jan 16, 2:29 AM PSTWind AdvisoryMTR4 days
Jan 24, 5:19 PM PSTFlash Flood WatchMTR4 days
Jan 25, 2:55 AM PSTHigh Wind WatchMTR12 hr
Jan 25, 2:42 PM PSTFreeze WarningMTR17 hr
Jan 25, 2:42 PM PSTWind AdvisoryMTR61 hr
Jan 26, 10:22 PM PSTAreal Flood AdvisoryMTR4 hr
Mar 15, 2:30 AM PDTFrost AdvisoryMTR31 hr
Mar 20, 12:51 PM PDTFrost AdvisoryMTR20 hr
Apr 20, 5:23 PM PDTSpecial Weather StatementMTR37 min
Apr 20, 6:08 PM PDTSpecial Weather StatementMTR52 min
May 18, 4:47 AM PDTWind AdvisoryMTR48 hr
May 28, 12:41 PM PDTHeat AdvisoryMTR3 days
Jun 14, 1:17 PM PDTHeat AdvisoryMTR4 days
Jul 8, 8:47 AM PDTHeat AdvisoryMTR3 days
Sep 5, 6:34 AM PDTDense Fog AdvisoryMTR3 hr
Sep 8, 11:04 AM PDTFire Weather WatchMTR22 hr
Sep 9, 9:30 AM PDTRed Flag WarningMTR23 hr
Oct 9, 1:50 PM PDTWind AdvisoryMTR54 hr
Oct 19, 1:39 PM PDTWind AdvisoryMTR14 hr
Oct 22, 10:48 AM PDTFlash Flood WatchMTR65 hr
Oct 22, 1:38 PM PDTWind AdvisoryMTR57 hr
Oct 24, 5:28 AM PDTAreal Flood AdvisoryMTR18 hr
Oct 24, 12:14 PM PDTAreal Flood WarningMTR14 hr
Oct 24, 12:27 PM PDTFlash Flood Warning Considerable damage threatMTR5 hr
Oct 24, 12:28 PM PDTFlash Flood WarningMTR62 min
Oct 24, 1:35 PM PDTRiver Flood WarningMTR6 hr
Oct 24, 3:23 PM PDTAreal Flood WarningMTR3 hr
Nov 7, 1:24 PM PSTWind AdvisoryMTR38 hr
Nov 12, 7:37 AM PSTDense Fog AdvisoryMTR2 hr
Nov 12, 11:02 PM PSTDense Fog AdvisoryMTR13 hr
Nov 13, 9:35 PM PSTDense Fog AdvisoryMTR13 hr
Nov 15, 11:53 PM PSTDense Fog AdvisoryMTR11 hr
Nov 23, 1:46 PM PSTFrost AdvisoryMTR19 hr
Nov 24, 2:49 PM PSTFrost AdvisoryMTR18 hr
Dec 2, 12:37 PM PSTCoastal Flood AdvisoryMTR3 days
Dec 5, 7:06 AM PSTDense Fog AdvisoryMTR3 hr
Dec 6, 12:18 AM PSTDense Fog AdvisoryMTR10 hr
Dec 10, 1:42 PM PSTFreeze WarningMTR18 hr
Dec 13, 12:00 PM PSTFlood WatchMTR13 hr
Dec 15, 9:21 PM PSTAreal Flood AdvisoryMTR3 hr
Dec 23, 8:12 AM PSTAreal Flood AdvisoryMTR2 hr

By product

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

ProductAlerts
Severe storms
Special Weather Statement2
Flooding
Areal Flood Warning2
Flash Flood Warning2
River Flood Warning1
Flash Flood Watch2
Flood Watch1
Areal Flood Advisory4
Heat
Heat Advisory3
Cold
Freeze Warning2
Frost Advisory4
Wind and dust
High Wind Watch1
Wind Advisory7
Fire
Red Flag Warning1
Fire Weather Watch1
Fog and smoke
Dense Fog Advisory9
Coast and beach
Coastal Flood Advisory3

The busiest days

Days with the most alerts issued, by UTC date.

  1. October 24, 20216alerts
  2. January 25, 20214alerts
  3. April 21, 20212alerts
  4. October 22, 20212alerts
  5. January 5, 20211alerts
  6. January 10, 20211alerts
  7. January 11, 20211alerts
  8. January 14, 20211alerts
  9. January 16, 20211alerts
  10. January 27, 20211alerts

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20202022

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. Rebuilt daily.