Alert archive / Iowa / Cass County

Weather alerts in Cass County, Iowa, 2009

128 weather alerts in 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Cass County and its neighbors

Each county as a circle sized by its count in 2009. Tap one for its archive.

Alerts
128
Warnings
24
Watches
30
Advisories
29
Busiest month
June40 alerts
Busiest day
April 26, 200910 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 3, 3:51 AM CSTWinter Weather AdvisoryDMX20 hr
Jan 9, 9:32 PM CSTWinter Weather AdvisoryDMX11 hr
Jan 11, 4:24 PM CSTWinter Weather AdvisoryDMX31 hr
Jan 12, 6:27 PM CSTMesoscale DiscussionSPC4 hr
Jan 14, 3:50 AM CSTWind Chill AdvisoryDMX54 hr
Jan 25, 3:34 AM CSTWinter Weather AdvisoryDMX7 hr
Feb 2, 3:16 PM CSTWind Chill AdvisoryDMX19 hr
Feb 9, 12:00 PM CSTWind AdvisoryDMX16 hr
Feb 11, 3:52 PM CSTWinter Storm WatchDMX36 hr
Feb 13, 4:03 AM CSTWinter Storm WarningDMX17 hr
Feb 13, 11:07 AM CSTMesoscale DiscussionSPC3 hr
Feb 26, 9:26 AM CSTMesoscale DiscussionSPC2 hr
Feb 26, 11:42 AM CSTSevere Thunderstorm WarningDMX33 min
Feb 27, 3:06 PM CSTWinter Weather AdvisoryDMX16 hr
Feb 27, 6:22 PM CSTMesoscale DiscussionSPC4 hr
Mar 23, 3:50 AM CDTWind AdvisoryDMX18 hr
Mar 23, 3:50 PM CDTTornado WatchSPC6 hr
Mar 23, 6:04 PM CDTMesoscale DiscussionSPC116 min
Mar 23, 8:03 PM CDTTornado WarningDMX27 min
Apr 4, 4:23 AM CDTWinter Storm WatchDMX11 hr
Apr 4, 3:26 PM CDTWinter Weather AdvisoryDMX28 hr
Apr 24, 4:45 PM CDTSevere Thunderstorm WatchSPC6 hr
Apr 24, 6:32 PM CDTSevere Thunderstorm WarningDMX58 min
Apr 24, 7:29 PM CDTSevere Thunderstorm WarningDMX46 min
Apr 24, 7:42 PM CDTMesoscale DiscussionSPC63 min
Apr 26, 3:38 AM CDTFlash Flood WatchDMX24 hr
Apr 26, 9:34 AM CDTSevere Thunderstorm WatchSPC6 hr
Apr 26, 12:30 PM CDTMesoscale DiscussionSPC60 min
Apr 26, 12:48 PM CDTTornado WatchSPC4 hr
Apr 26, 2:09 PM CDTSevere Thunderstorm WarningDMX51 min
Apr 26, 2:41 PM CDTMesoscale DiscussionSPC3 hr
Apr 26, 3:42 PM CDTSevere Thunderstorm WarningDMX48 min
Apr 26, 4:40 PM CDTFlash Flood WarningDMX6 hr
Apr 26, 4:58 PM CDTSevere Thunderstorm WarningDMX47 min
Apr 26, 5:02 PM CDTTornado WatchSPC6 hr
Apr 26, 10:25 PM CDTAreal Flood WarningDMX12 hr
Apr 30, 4:49 AM CDTDense Fog AdvisoryDMX5 hr
May 8, 1:05 PM CDTMesoscale DiscussionSPC85 min
May 8, 1:21 PM CDTSevere Thunderstorm WatchSPC6 hr
May 12, 1:22 PM CDTMesoscale DiscussionSPC53 min
May 16, 3:41 AM CDTFrost AdvisoryDMX27 hr
Jun 1, 2:55 PM CDTMesoscale DiscussionSPC2 hr
Jun 1, 3:29 PM CDTSevere Thunderstorm WatchSPC8 hr
Jun 6, 2:22 AM CDTMesoscale DiscussionSPC23 min
Jun 6, 3:12 PM CDTMesoscale DiscussionSPC2 hr
Jun 6, 11:16 PM CDTSevere Thunderstorm WatchSPC6 hr
Jun 7, 12:44 AM CDTMesoscale DiscussionSPC61 min
Jun 7, 12:50 AM CDTSevere Thunderstorm WarningDMX39 min
Jun 7, 4:45 AM CDTMesoscale DiscussionSPC30 min
Jun 7, 3:45 PM CDTTornado WatchSPC7 hr
Jun 7, 4:54 PM CDTSevere Thunderstorm WarningDMX49 min
Jun 7, 10:22 PM CDTMesoscale DiscussionSPC53 min
Jun 7, 10:53 PM CDTTornado WatchSPC5 hr
Jun 8, 12:02 AM CDTSevere Thunderstorm WarningDMX43 min
Jun 8, 2:30 AM CDTMesoscale DiscussionSPC60 min
Jun 9, 3:48 AM CDTFlash Flood WatchDMX17 hr
Jun 15, 7:33 PM CDTMesoscale DiscussionSPC87 min
Jun 15, 8:14 PM CDTSevere Thunderstorm WatchSPC6 hr
Jun 15, 11:18 PM CDTMesoscale DiscussionSPC87 min
Jun 17, 12:52 PM CDTTornado WatchSPC8 hr
Jun 17, 2:47 PM CDTMesoscale DiscussionSPC28 min
Jun 17, 5:43 PM CDTMesoscale DiscussionSPC92 min
Jun 17, 6:21 PM CDTSevere Thunderstorm WatchSPC7 hr
Jun 17, 8:04 PM CDTMesoscale DiscussionSPC56 min
Jun 17, 9:30 PM CDTSevere Thunderstorm WarningDMX45 min
Jun 17, 10:15 PM CDTSevere Thunderstorm WarningDMX45 min
Jun 19, 1:33 AM CDTMesoscale DiscussionSPC57 min
Jun 19, 2:13 AM CDTSevere Thunderstorm WatchSPC8 hr
Jun 19, 4:43 AM CDTSevere Thunderstorm WarningDMX37 min
Jun 19, 5:01 AM CDTMesoscale DiscussionSPC59 min
Jun 19, 1:36 PM CDTSevere Thunderstorm WatchSPC4 hr
Jun 21, 12:56 AM CDTMesoscale DiscussionSPC94 min
Jun 21, 3:41 PM CDTHeat AdvisoryDMX66 hr
Jun 23, 2:15 PM CDTExcessive Heat WarningDMX20 hr
Jun 23, 3:21 PM CDTMesoscale DiscussionSPC54 min
Jun 23, 3:28 PM CDTSevere Thunderstorm WatchSPC7 hr
Jun 23, 4:33 PM CDTSevere Thunderstorm WarningDMX42 min
Jun 23, 5:13 PM CDTSevere Thunderstorm WarningDMX47 min
Jun 24, 10:07 AM CDTHeat AdvisoryDMX4 hr
Jun 24, 3:36 PM CDTMesoscale DiscussionSPC114 min
Jun 25, 3:32 AM CDTMesoscale DiscussionSPC88 min
Jul 4, 2:31 AM CDTAreal Flood AdvisoryDMX6 hr
Jul 7, 6:12 PM CDTMesoscale DiscussionSPC63 min
Jul 7, 9:01 PM CDTFlash Flood WatchDMX6 hr
Jul 7, 9:22 PM CDTMesoscale DiscussionSPC53 min
Jul 9, 9:32 AM CDTSevere Thunderstorm WatchSPC4 hr
Jul 9, 11:54 AM CDTMesoscale DiscussionSPC96 min
Jul 12, 11:16 AM CDTAreal Flood AdvisoryDMX2 hr
Jul 14, 6:33 PM CDTMesoscale DiscussionSPC117 min
Jul 24, 6:38 PM CDTMesoscale DiscussionSPC97 min
Aug 8, 3:57 AM CDTHeat AdvisoryDMX15 hr
Aug 9, 6:30 AM CDTMesoscale DiscussionSPC2 hr
Aug 9, 6:54 AM CDTSevere Thunderstorm WatchSPC7 hr
Aug 9, 9:55 AM CDTMesoscale DiscussionSPC35 min
Aug 9, 1:40 PM CDTMesoscale DiscussionSPC35 min
Aug 9, 3:44 PM CDTSevere Thunderstorm WatchSPC6 hr
Aug 9, 4:00 PM CDTSevere Thunderstorm WarningDMX45 min
Aug 12, 4:03 PM CDTMesoscale DiscussionSPC87 min
Aug 19, 5:19 PM CDTMesoscale DiscussionSPC26 min
Aug 19, 5:32 PM CDTSevere Thunderstorm WatchSPC6 hr
Sep 7, 5:11 AM CDTDense Fog AdvisoryDMX5 hr
Sep 30, 11:44 PM CDTMesoscale DiscussionSPC91 min
Oct 3, 9:54 PM CDTFrost AdvisoryDMX10 hr
Oct 9, 4:07 AM CDTFreeze WatchDMX12 hr
Oct 9, 4:07 AM CDTFreeze WarningDMX29 hr
Oct 10, 5:56 AM CDTMesoscale DiscussionSPC5 hr
Oct 10, 9:36 AM CDTWinter Weather AdvisoryDMX2 hr
Oct 29, 11:01 AM CDTFlash Flood WatchDMX11 hr
Nov 20, 4:05 AM CSTDense Fog AdvisoryDMX6 hr
Nov 20, 9:27 PM CSTDense Fog AdvisoryDMX13 hr
Dec 6, 3:49 AM CSTWinter Weather AdvisoryDMX24 hr
Dec 6, 3:34 PM CSTWinter Storm WatchDMX24 hr
Dec 7, 3:42 PM CSTBlizzard WatchDMX19 hr
Dec 7, 3:42 PM CSTWinter Storm WarningDMX29 hr
Dec 8, 10:34 AM CSTBlizzard WarningDMX31 hr
Dec 8, 11:22 AM CSTMesoscale DiscussionSPC5 hr
Dec 8, 6:00 PM CSTMesoscale DiscussionSPC5 hr
Dec 8, 9:38 PM CSTMesoscale DiscussionSPC6 hr
Dec 9, 3:29 PM CSTWind Chill AdvisoryDMX21 hr
Dec 9, 3:29 PM CSTWinter Weather AdvisoryDMX6 hr
Dec 13, 9:08 PM CSTWinter Weather AdvisoryDMX15 hr
Dec 21, 3:44 PM CSTWinter Storm WatchDMX60 hr
Dec 22, 12:45 PM CSTFreezing Rain AdvisoryDMX16 hr
Dec 23, 5:07 AM CSTWinter Storm WarningDMX71 hr
Dec 23, 5:07 AM CSTWinter Weather AdvisoryDMX23 hr
Dec 23, 6:44 AM CSTMesoscale DiscussionSPC4 hr
Dec 24, 1:32 PM CSTMesoscale DiscussionSPC4 hr
Dec 24, 3:45 PM CSTWinter Weather AdvisoryDMX36 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 Warning15
Tornado Warning1
Severe Thunderstorm Watch14
Tornado Watch6
Mesoscale Discussion45
Flooding
Areal Flood Warning1
Flash Flood Warning1
Flash Flood Watch4
Areal Flood Advisory2
Winter
Blizzard Warning1
Winter Storm Warning3
Blizzard Watch1
Winter Storm Watch4
Freezing Rain Advisory1
Winter Weather Advisory12
Heat
Excessive Heat Warning1
Heat Advisory3
Cold
Freeze Warning1
Freeze Watch1
Frost Advisory2
Wind Chill Advisory3
Wind and dust
Wind Advisory2
Fog and smoke
Dense Fog Advisory4

The busiest days

Days with the most alerts issued, by UTC date.

  1. April 26, 200910alerts
  2. June 7, 20096alerts
  3. August 9, 20096alerts
  4. June 19, 20095alerts
  5. June 23, 20095alerts
  6. June 8, 20094alerts
  7. June 17, 20094alerts
  8. December 9, 20094alerts
  9. March 23, 20093alerts
  10. June 16, 20093alerts

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20082010

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.