Alert archive / Colorado / Larimer County

Weather alerts in Larimer County, Colorado, 2009

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

Larimer County and its neighbors

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

Alerts
121
Warnings
46
Watches
21
Advisories
32
Busiest month
June33 alerts
Busiest day
June 23, 20098 alerts

Over time

By month

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.

IssuedProductOfficeLasted
Jan 5, 3:55 PM MSTHigh Wind WatchBOU24 hr
Jan 6, 4:48 AM MSTWinter Weather AdvisoryBOU26 hr
Jan 6, 3:49 PM MSTHigh Wind WarningBOU32 hr
Jan 7, 6:43 AM MSTWinter Storm WarningBOU10 hr
Jan 12, 12:58 AM MSTWinter Weather AdvisoryBOU15 hr
Jan 13, 4:58 AM MSTWinter Weather AdvisoryBOU11 hr
Jan 19, 10:21 AM MSTRed Flag WarningBOU7 hr
Jan 22, 5:44 AM MSTRed Flag WarningBOU12 hr
Jan 24, 3:39 AM MSTWinter Storm WarningBOU68 hr
Jan 27, 3:14 PM MSTWinter Weather AdvisoryBOU12 hr
Jan 27, 9:53 PM MSTHigh Wind WarningBOU13 hr
Jan 28, 3:30 AM MSTWinter Weather AdvisoryBOU30 hr
Feb 5, 2:08 PM MSTFire Weather WatchBOU15 hr
Feb 5, 2:08 PM MSTRed Flag WarningBOU29 hr
Feb 9, 9:02 AM MSTHigh Wind WarningBOU9 hr
Feb 26, 3:11 PM MSTWinter Weather AdvisoryBOU24 hr
Mar 2, 3:57 AM MSTRed Flag WarningBOU16 hr
Mar 2, 3:05 PM MSTRed Flag WarningBOU26 hr
Mar 3, 3:01 PM MSTFire Weather WatchBOU24 hr
Mar 4, 3:34 AM MSTRed Flag WarningBOU17 hr
Mar 4, 2:42 PM MSTRed Flag WarningBOU27 hr
Mar 9, 4:11 AM MDTWinter Weather AdvisoryBOU32 hr
Mar 14, 3:13 AM MDTFire Weather WatchBOU25 hr
Mar 15, 4:01 AM MDTRed Flag WarningBOU16 hr
Mar 21, 2:39 PM MDTWinter Storm WatchBOU14 hr
Mar 21, 2:47 PM MDTRed Flag WarningBOU30 hr
Mar 22, 4:38 AM MDTWinter Storm WarningBOU49 hr
Mar 22, 4:38 AM MDTWinter Weather AdvisoryBOU33 hr
Mar 24, 3:59 PM MDTWinter Storm WatchBOU20 hr
Mar 25, 11:47 AM MDTWinter Storm WarningBOU29 hr
Mar 26, 2:57 AM MDTBlizzard WarningBOU33 hr
Mar 26, 10:35 AM MDTMesoscale DiscussionSPC5 hr
Mar 26, 4:46 PM MDTWinter Weather AdvisoryBOU13 hr
Mar 29, 4:09 AM MDTWinter Weather AdvisoryBOU44 hr
Mar 31, 4:27 AM MDTWinter Weather AdvisoryBOU44 hr
Apr 2, 4:20 AM MDTWinter Storm WatchBOU32 hr
Apr 3, 4:22 AM MDTWinter Storm WarningBOU32 hr
Apr 4, 12:13 PM MDTWinter Weather AdvisoryBOU6 hr
Apr 15, 4:18 AM MDTWinter Storm WatchBOU31 hr
Apr 16, 4:41 AM MDTWinter Storm WarningBOU61 hr
Apr 17, 3:55 PM MDTWinter Weather AdvisoryBOU13 hr
May 1, 10:58 AM MDTDense Fog AdvisoryBOU5 hr
May 1, 4:05 PM MDTDense Fog AdvisoryBOU8 hr
May 28, 1:44 PM MDTSpecial Weather StatementBOU31 min
May 29, 5:01 PM MDTSpecial Weather StatementBOU44 min
May 31, 12:11 PM MDTSpecial Weather StatementBOU34 min
Jun 4, 1:27 PM MDTSevere Thunderstorm WatchSPC8 hr
Jun 4, 5:16 PM MDTMesoscale DiscussionSPC89 min
Jun 7, 10:44 AM MDTMesoscale DiscussionSPC61 min
Jun 7, 11:02 AM MDTSevere Thunderstorm WatchSPC6 hr
Jun 7, 12:01 PM MDTSevere Thunderstorm WarningBOU59 min
Jun 7, 12:55 PM MDTAreal Flood AdvisoryBOU55 min
Jun 7, 2:12 PM MDTSevere Thunderstorm WarningBOU20 min
Jun 8, 2:03 PM MDTMesoscale DiscussionSPC87 min
Jun 10, 11:00 AM MDTSpecial Weather StatementBOU105 min
Jun 10, 1:23 PM MDTSevere Thunderstorm WarningBOU37 min
Jun 10, 6:20 PM MDTTornado WarningBOU25 min
Jun 11, 4:30 PM MDTSevere Thunderstorm WarningBOU47 min
Jun 13, 1:56 PM MDTTornado WatchSPC9 hr
Jun 14, 1:50 PM MDTTornado WatchSPC7 hr
Jun 15, 1:56 PM MDTSevere Thunderstorm WarningBOU49 min
Jun 15, 2:04 PM MDTTornado WarningBOU26 min
Jun 15, 2:15 PM MDTMesoscale DiscussionSPC30 min
Jun 15, 2:38 PM MDTSevere Thunderstorm WarningBOU25 min
Jun 15, 2:40 PM MDTAreal Flood AdvisoryBOU95 min
Jun 17, 2:30 PM MDTTornado WatchSPC8 hr
Jun 17, 4:43 PM MDTMesoscale DiscussionSPC92 min
Jun 17, 7:17 PM MDTSevere Thunderstorm WarningBOU58 min
Jun 22, 8:31 PM MDTSevere Thunderstorm WarningBOU44 min
Jun 22, 8:51 PM MDTSevere Thunderstorm WarningBOU54 min
Jun 22, 9:28 PM MDTSevere Thunderstorm WarningBOU47 min
Jun 22, 9:34 PM MDTFlash Flood WarningBOU3 hr
Jun 22, 9:44 PM MDTSevere Thunderstorm WarningBOU61 min
Jun 22, 9:54 PM MDTTornado WarningBOU51 min
Jun 22, 10:35 PM MDTAreal Flood AdvisoryBOU85 min
Jun 23, 2:51 PM MDTSevere Thunderstorm WatchSPC6 hr
Jun 25, 1:06 PM MDTMesoscale DiscussionSPC54 min
Jun 25, 6:15 PM MDTAreal Flood AdvisoryBOU90 min
Jun 26, 1:50 PM MDTSevere Thunderstorm WarningBOU25 min
Jul 4, 1:52 PM MDTMesoscale DiscussionSPC113 min
Jul 6, 1:40 PM MDTMesoscale DiscussionSPC95 min
Jul 6, 2:07 PM MDTSevere Thunderstorm WatchSPC6 hr
Jul 6, 5:35 PM MDTMesoscale DiscussionSPC55 min
Jul 12, 2:05 PM MDTMesoscale DiscussionSPC85 min
Jul 13, 1:45 PM MDTSevere Thunderstorm WatchSPC6 hr
Jul 20, 10:04 PM MDTSevere Thunderstorm WarningBOU41 min
Jul 20, 10:34 PM MDTAreal Flood AdvisoryBOU86 min
Jul 21, 2:44 PM MDTMesoscale DiscussionSPC61 min
Jul 22, 1:16 PM MDTMesoscale DiscussionSPC89 min
Jul 22, 2:47 PM MDTSevere Thunderstorm WarningBOU37 min
Jul 25, 5:51 PM MDTAreal Flood AdvisoryBOU54 min
Jul 25, 6:47 PM MDTAreal Flood AdvisoryBOU58 min
Aug 5, 11:46 PM MDTSpecial Weather StatementBOU29 min
Aug 8, 6:24 PM MDTSpecial Weather StatementBOU36 min
Aug 8, 6:58 PM MDTAreal Flood AdvisoryBOU2 hr
Aug 10, 1:07 PM MDTMesoscale DiscussionSPC83 min
Aug 15, 1:07 PM MDTMesoscale DiscussionSPC53 min
Sep 22, 4:31 AM MDTWinter Storm WatchBOU9 hr
Sep 22, 1:06 PM MDTWinter Storm WarningBOU16 hr
Sep 29, 3:27 PM MDTFire Weather WatchBOU14 hr
Sep 30, 4:45 AM MDTWinter Weather AdvisoryBOU22 hr
Sep 30, 5:00 AM MDTRed Flag WarningBOU15 hr
Sep 30, 2:21 PM MDTFreeze WatchBOU13 hr
Sep 30, 2:21 PM MDTHigh Wind WarningBOU13 hr
Oct 1, 3:05 AM MDTFreeze WarningBOU29 hr
Oct 2, 3:38 PM MDTFreeze WarningBOU16 hr
Oct 9, 9:24 PM MDTWinter Weather AdvisoryBOU12 hr
Oct 18, 4:35 AM MDTRed Flag WarningBOU13 hr
Oct 26, 3:15 PM MDTWinter Storm WatchBOU12 hr
Oct 27, 3:26 AM MDTWinter Storm WarningBOU69 hr
Oct 28, 9:56 PM MDTMesoscale DiscussionSPC4 hr
Oct 30, 4:54 AM MDTWinter Weather AdvisoryBOU10 hr
Nov 12, 4:48 AM MSTWinter Weather AdvisoryBOU39 hr
Nov 13, 5:06 AM MSTWinter Storm WatchBOU34 hr
Nov 14, 10:57 AM MSTWinter Storm WarningBOU26 hr
Dec 5, 10:22 AM MSTWinter Weather AdvisoryBOU24 hr
Dec 7, 5:21 AM MSTWinter Weather AdvisoryBOU47 hr
Dec 9, 4:31 AM MSTWind Chill WarningBOU28 hr
Dec 10, 2:41 AM MSTWinter Weather AdvisoryBOU8 hr
Dec 12, 2:41 PM MSTWinter Weather AdvisoryBOU42 hr
Dec 21, 7:53 PM MSTWinter Weather AdvisoryBOU61 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 Warning14
Tornado Warning3
Severe Thunderstorm Watch5
Tornado Watch3
Mesoscale Discussion16
Special Weather Statement6
Flooding
Flash Flood Warning1
Areal Flood Advisory8
Winter
Blizzard Warning1
Winter Storm Warning9
Winter Storm Watch7
Winter Weather Advisory22
Cold
Freeze Warning2
Wind Chill Warning1
Freeze Watch1
Wind and dust
High Wind Warning4
High Wind Watch1
Fire
Red Flag Warning11
Fire Weather Watch4
Fog and smoke
Dense Fog Advisory2

The busiest days

Days with the most alerts issued, by UTC date.

  1. June 23, 20098alerts
  2. June 7, 20095alerts
  3. June 15, 20095alerts
  4. September 30, 20094alerts
  5. March 26, 20093alerts
  6. July 6, 20093alerts
  7. July 21, 20093alerts
  8. January 6, 20092alerts
  9. January 28, 20092alerts
  10. February 5, 20092alerts

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.