Alert archive / Iowa / Jefferson County

Weather alerts in Jefferson County, Iowa, 2011

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

Jefferson County and its neighbors

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

Alerts
119
Warnings
21
Watches
22
Advisories
27
Busiest month
June37 alerts
Busiest day
May 29, 20116 alerts

Over time

By month

The alerts

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

IssuedProductOfficeLasted
Jan 10, 4:17 AM CSTWinter Weather AdvisoryDVN38 hr
Jan 16, 3:50 PM CSTWinter Weather AdvisoryDVN28 hr
Jan 17, 2:50 AM CSTMesoscale DiscussionSPC4 hr
Jan 17, 6:35 AM CSTMesoscale DiscussionSPC4 hr
Jan 30, 3:40 AM CSTWinter Storm WatchDVN37 hr
Jan 31, 4:12 PM CSTBlizzard WarningDVN44 hr
Feb 1, 10:36 AM CSTMesoscale DiscussionSPC6 hr
Feb 1, 3:36 PM CSTMesoscale DiscussionSPC6 hr
Feb 2, 3:38 PM CSTWind Chill AdvisoryDVN19 hr
Feb 7, 3:31 PM CSTWind Chill AdvisoryDVN20 hr
Feb 16, 5:00 AM CSTDense Fog AdvisoryDVN8 hr
Feb 24, 3:20 AM CSTWinter Storm WarningDVN17 hr
Feb 24, 3:20 AM CSTWinter Weather AdvisoryDVN26 hr
Feb 24, 5:20 PM CSTMesoscale DiscussionSPC6 hr
Feb 27, 3:37 PM CSTWinter Weather AdvisoryDVN11 hr
Feb 27, 5:50 PM CSTMesoscale DiscussionSPC6 hr
Mar 11, 3:29 AM CSTDense Fog AdvisoryDVN7 hr
Mar 20, 2:51 PM CDTMesoscale DiscussionSPC114 min
Mar 22, 8:00 PM CDTMesoscale DiscussionSPC60 min
Mar 22, 8:35 PM CDTTornado WatchSPC5 hr
Mar 22, 10:19 PM CDTSpecial Weather StatementDVN56 min
Apr 3, 4:49 PM CDTMesoscale DiscussionSPC56 min
Apr 3, 5:57 PM CDTTornado WatchSPC6 hr
Apr 3, 6:30 PM CDTSevere Thunderstorm WarningDVN45 min
Apr 3, 7:44 PM CDTMesoscale DiscussionSPC61 min
Apr 3, 7:59 PM CDTSevere Thunderstorm WarningDVN34 min
Apr 4, 11:58 AM CDTWind AdvisoryDVN6 hr
Apr 10, 3:55 AM CDTWind AdvisoryDVN12 hr
Apr 10, 5:03 PM CDTMesoscale DiscussionSPC57 min
Apr 15, 4:30 AM CDTWind AdvisoryDVN15 hr
Apr 19, 5:21 AM CDTSpecial Weather StatementDVN114 min
Apr 19, 7:32 AM CDTSpecial Weather StatementDVN58 min
May 2, 3:33 PM CDTFrost AdvisoryDVN15 hr
May 3, 3:15 PM CDTFreeze WarningDVN16 hr
May 11, 8:09 AM CDTMesoscale DiscussionSPC66 min
May 11, 1:23 PM CDTSevere Thunderstorm WatchSPC6 hr
May 11, 3:38 PM CDTMesoscale DiscussionSPC2 hr
May 11, 9:30 PM CDTSpecial Weather StatementDVN60 min
May 21, 10:09 PM CDTSpecial Weather StatementDVN51 min
May 22, 4:41 AM CDTMesoscale DiscussionSPC2 hr
May 22, 10:53 AM CDTMesoscale DiscussionSPC2 hr
May 22, 12:51 PM CDTTornado WatchSPC10 hr
May 22, 4:17 PM CDTSevere Thunderstorm WarningDVN43 min
May 25, 2:38 AM CDTFlash Flood WatchDVN20 hr
May 25, 2:31 PM CDTWind AdvisoryDVN7 hr
May 25, 4:55 PM CDTFlash Flood WarningDVN5 hr
May 29, 1:41 AM CDTMesoscale DiscussionSPC2 hr
May 29, 5:05 AM CDTDense Fog AdvisoryDVN4 hr
May 29, 8:37 AM CDTSevere Thunderstorm WarningDVN53 min
May 29, 8:39 AM CDTMesoscale DiscussionSPC66 min
May 29, 8:53 AM CDTSevere Thunderstorm WatchSPC6 hr
May 29, 9:18 AM CDTSevere Thunderstorm WarningDVN57 min
May 31, 5:38 AM CDTSpecial Weather StatementDVN52 min
Jun 2, 7:16 AM CDTFlash Flood WarningDVN6 hr
Jun 4, 4:53 PM CDTSevere Thunderstorm WatchSPC6 hr
Jun 5, 2:52 AM CDTMesoscale DiscussionSPC2 hr
Jun 5, 4:12 AM CDTSpecial Weather StatementDVN48 min
Jun 5, 5:00 AM CDTSevere Thunderstorm WatchSPC7 hr
Jun 6, 3:28 AM CDTHeat AdvisoryDVN64 hr
Jun 8, 3:36 PM CDTMesoscale DiscussionSPC84 min
Jun 8, 4:49 PM CDTSevere Thunderstorm WatchSPC8 hr
Jun 8, 8:43 PM CDTMesoscale DiscussionSPC92 min
Jun 9, 1:44 AM CDTMesoscale DiscussionSPC2 hr
Jun 9, 3:12 AM CDTFlash Flood WatchDVN28 hr
Jun 10, 1:39 AM CDTMesoscale DiscussionSPC2 hr
Jun 13, 1:05 PM CDTSpecial Weather StatementDVN55 min
Jun 13, 1:46 PM CDTSpecial Weather StatementDVN59 min
Jun 13, 3:47 PM CDTFlash Flood WatchDVN39 hr
Jun 13, 9:23 PM CDTMesoscale DiscussionSPC97 min
Jun 13, 11:57 PM CDTMesoscale DiscussionSPC93 min
Jun 14, 3:21 AM CDTMesoscale DiscussionSPC3 hr
Jun 14, 5:20 AM CDTAreal Flood WarningDVN12 hr
Jun 14, 11:12 AM CDTSpecial Weather StatementDVN63 min
Jun 15, 12:03 AM CDTFlash Flood WarningDVN9 hr
Jun 15, 1:55 AM CDTMesoscale DiscussionSPC3 hr
Jun 19, 10:17 PM CDTFlash Flood WatchDVN15 hr
Jun 19, 11:42 PM CDTSevere Thunderstorm WatchSPC6 hr
Jun 20, 1:45 AM CDTSevere Thunderstorm WarningDVN75 min
Jun 20, 4:08 AM CDTMesoscale DiscussionSPC67 min
Jun 20, 5:14 AM CDTSpecial Weather StatementDVN61 min
Jun 20, 3:25 PM CDTFlash Flood WatchDVN12 hr
Jun 26, 4:46 PM CDTFlash Flood WatchDVN14 hr
Jun 26, 6:22 PM CDTMesoscale DiscussionSPC83 min
Jun 26, 7:01 PM CDTSevere Thunderstorm WarningDVN59 min
Jun 26, 7:12 PM CDTSevere Thunderstorm WatchSPC6 hr
Jun 26, 8:14 PM CDTFlash Flood WarningDVN9 hr
Jun 26, 10:02 PM CDTSevere Thunderstorm WatchSPC5 hr
Jun 26, 11:35 PM CDTSevere Thunderstorm WarningDVN55 min
Jun 29, 3:18 PM CDTExcessive Heat WatchDVN13 hr
Jun 30, 3:55 AM CDTHeat AdvisoryDVN44 hr
Jul 10, 1:58 PM CDTHeat AdvisoryDVN5 hr
Jul 10, 2:45 PM CDTMesoscale DiscussionSPC2 hr
Jul 11, 3:12 AM CDTHeat AdvisoryDVN16 hr
Jul 14, 3:40 PM CDTExcessive Heat WatchDVN24 hr
Jul 15, 3:42 PM CDTExcessive Heat WarningDVN9 days
Jul 21, 7:09 PM CDTMesoscale DiscussionSPC96 min
Jul 23, 4:57 PM CDTMesoscale DiscussionSPC93 min
Jul 23, 5:16 PM CDTSevere Thunderstorm WatchSPC4 hr
Jul 26, 10:53 AM CDTHeat AdvisoryDVN10 hr
Jul 27, 3:44 AM CDTHeat AdvisoryDVN18 hr
Jul 28, 12:03 PM CDTHeat AdvisoryDVN10 hr
Jul 28, 5:40 PM CDTMesoscale DiscussionSPC95 min
Jul 31, 3:54 AM CDTHeat AdvisoryDVN66 hr
Aug 2, 3:50 AM CDTExcessive Heat WarningDVN18 hr
Aug 2, 12:57 PM CDTMesoscale DiscussionSPC93 min
Aug 6, 10:14 PM CDTSevere Thunderstorm WatchSPC5 hr
Aug 6, 11:06 PM CDTMesoscale DiscussionSPC114 min
Aug 6, 11:45 PM CDTSpecial Weather StatementDVN75 min
Aug 7, 12:20 AM CDTSevere Thunderstorm WarningDVN55 min
Sep 1, 10:40 AM CDTHeat AdvisoryDVN32 hr
Sep 2, 2:41 PM CDTMesoscale DiscussionSPC94 min
Sep 3, 1:54 PM CDTSevere Thunderstorm WarningDVN66 min
Sep 28, 3:57 PM CDTWind AdvisoryDVN27 hr
Oct 1, 2:47 PM CDTFrost AdvisoryDVN17 hr
Oct 12, 7:24 AM CDTSpecial Weather StatementDVN51 min
Oct 12, 9:52 AM CDTSpecial Weather StatementDVN2 hr
Oct 20, 3:20 AM CDTFreeze WarningDVN30 hr
Nov 23, 4:53 AM CSTDense Fog AdvisoryDVN7 hr
Dec 6, 7:45 AM CSTWinter Weather AdvisoryDVN6 hr

By product

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

ProductAlerts
Severe storms
Severe Thunderstorm Warning10
Severe Thunderstorm Watch10
Tornado Watch3
Mesoscale Discussion35
Special Weather Statement14
Flooding
Areal Flood Warning1
Flash Flood Warning4
Flash Flood Watch6
Winter
Blizzard Warning1
Winter Storm Warning1
Winter Storm Watch1
Winter Weather Advisory5
Heat
Excessive Heat Warning2
Excessive Heat Watch2
Heat Advisory9
Cold
Freeze Warning2
Frost Advisory2
Wind Chill Advisory2
Wind and dust
Wind Advisory5
Fog and smoke
Dense Fog Advisory4

The busiest days

Days with the most alerts issued, by UTC date.

  1. May 29, 20116alerts
  2. June 20, 20116alerts
  3. May 22, 20115alerts
  4. June 14, 20115alerts
  5. June 27, 20115alerts
  6. August 7, 20114alerts
  7. February 24, 20113alerts
  8. March 23, 20113alerts
  9. April 3, 20113alerts
  10. April 4, 20113alerts

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. Rebuilt daily.