Alert archive / Wisconsin / Monroe County

Weather alerts in Monroe County, Wisconsin, 2013

111 weather alerts in 2013, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Monroe County and its neighbors

Each county as a circle sized by its count in 2013. Tap one for its archive.

Alerts
111
Warnings
15
Watches
23
Advisories
45
Busiest month
May24 alerts
Busiest day
May 30, 20139 alerts

Over time

By month

Warning verification

How often warnings here had a storm report inside them, and how much warning the reports had.

Monroe County, 2013

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings00
Severe thunderstorm warnings9544%30%
Flash flood warnings10100%0

Each office's whole area, 2013

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS La Crosse, WI: tornado warnings210100%60%
NWS La Crosse, WI: severe thunderstorm warnings1236646%19467%23 min
NWS La Crosse, WI: flash flood warnings392828%11382%109 min

An office's figures cover every county it serves, including across state lines.

Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.

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, 2:38 PM CSTDense Fog AdvisoryARX33 hr
Jan 18, 2:37 PM CSTWind AdvisoryARX33 hr
Jan 20, 3:36 AM CSTWind Chill AdvisoryARX56 hr
Jan 26, 4:05 AM CSTWinter Storm WatchARX11 hr
Jan 26, 3:19 PM CSTWinter Storm WarningARX31 hr
Jan 27, 9:54 PM CSTWinter Weather AdvisoryARX5 hr
Jan 28, 2:54 AM CSTDense Fog AdvisoryARX30 hr
Jan 29, 4:38 AM CSTWinter Storm WatchARX9 hr
Jan 29, 1:29 PM CSTWinter Storm WarningARX28 hr
Jan 30, 4:20 AM CSTWind Chill AdvisoryARX56 hr
Jan 30, 9:11 AM CSTMesoscale DiscussionSPC6 hr
Feb 3, 3:28 AM CSTWinter Weather AdvisoryARX26 hr
Feb 6, 12:01 PM CSTWinter Weather AdvisoryARX36 hr
Feb 9, 3:06 PM CSTWinter Weather AdvisoryARX27 hr
Feb 10, 8:38 PM CSTWind AdvisoryARX18 hr
Feb 20, 1:46 PM CSTWinter Weather AdvisoryARX52 hr
Feb 23, 3:18 PM CSTFreezing Fog AdvisoryARX16 hr
Mar 3, 12:30 PM CSTWinter Storm WatchARX15 hr
Mar 3, 12:30 PM CSTWinter Storm WarningARX54 hr
Mar 9, 2:45 PM CSTWinter Storm WatchARX12 hr
Mar 9, 9:31 PM CSTDense Fog AdvisoryARX11 hr
Mar 10, 4:08 AM CDTWinter Storm WarningARX32 hr
Mar 10, 7:24 PM CDTMesoscale DiscussionSPC5 hr
Mar 11, 3:56 AM CDTWinter Weather AdvisoryARX8 hr
Mar 14, 3:44 PM CDTWinter Weather AdvisoryARX33 hr
Mar 16, 6:18 AM CDTFreezing Rain AdvisoryARX6 hr
Mar 17, 3:45 AM CDTWinter Weather AdvisoryARX54 hr
Mar 31, 12:42 AM CDTDense Fog AdvisoryARX9 hr
Apr 8, 3:19 PM CDTFlood WatchARX61 hr
Apr 9, 9:26 PM CDTSevere Thunderstorm WarningARX49 min
Apr 9, 9:35 PM CDTSevere Thunderstorm WarningARX40 min
Apr 9, 9:36 PM CDTMesoscale DiscussionSPC84 min
Apr 10, 1:48 AM CDTFreezing Rain AdvisoryARX6 hr
Apr 10, 2:24 AM CDTMesoscale DiscussionSPC5 hr
Apr 10, 11:36 AM CDTFreezing Rain AdvisoryARX25 hr
Apr 11, 3:12 PM CDTWinter Weather AdvisoryARX21 hr
Apr 16, 11:25 AM CDTFlood WatchARX47 hr
May 11, 3:45 AM CDTFreeze WatchARX24 hr
May 12, 3:48 AM CDTFreeze WarningARX27 hr
May 19, 7:46 PM CDTMesoscale DiscussionSPC59 min
May 19, 8:10 PM CDTTornado WatchSPC6 hr
May 19, 10:42 PM CDTSevere Thunderstorm WarningARX63 min
May 19, 10:58 PM CDTMesoscale DiscussionSPC62 min
May 19, 11:10 PM CDTSevere Thunderstorm WarningARX50 min
May 20, 7:48 PM CDTSevere Thunderstorm WatchSPC6 hr
May 23, 3:18 AM CDTFrost AdvisoryARX28 hr
May 29, 11:44 AM CDTFlash Flood WatchARX32 hr
May 29, 2:39 PM CDTMesoscale DiscussionSPC66 min
May 29, 2:56 PM CDTSevere Thunderstorm WatchSPC7 hr
May 29, 5:54 PM CDTMesoscale DiscussionSPC66 min
May 29, 6:35 PM CDTSevere Thunderstorm WarningARX40 min
May 29, 7:02 PM CDTFlash Flood WarningARX8 hr
May 29, 9:00 PM CDTMesoscale DiscussionSPC60 min
May 30, 11:20 AM CDTMesoscale DiscussionSPC115 min
May 30, 11:56 AM CDTTornado WatchSPC7 hr
May 30, 1:33 PM CDTMesoscale DiscussionSPC57 min
May 30, 3:34 PM CDTMesoscale DiscussionSPC116 min
May 30, 5:58 PM CDTMesoscale DiscussionSPC62 min
May 30, 6:23 PM CDTSevere Thunderstorm WarningARX67 min
May 30, 6:40 PM CDTTornado WatchSPC3 hr
May 31, 2:35 PM CDTSevere Thunderstorm WatchSPC9 hr
May 31, 8:45 PM CDTMesoscale DiscussionSPC90 min
Jun 10, 4:47 AM CDTDense Fog AdvisoryARX4 hr
Jun 15, 10:33 PM CDTDense Fog AdvisoryARX10 hr
Jun 21, 5:23 AM CDTMesoscale DiscussionSPC37 min
Jun 21, 5:40 AM CDTSevere Thunderstorm WatchSPC4 hr
Jun 21, 2:23 PM CDTFlash Flood WatchARX22 hr
Jun 21, 4:57 PM CDTMesoscale DiscussionSPC63 min
Jun 21, 5:16 PM CDTSevere Thunderstorm WatchSPC7 hr
Jun 21, 6:50 PM CDTMesoscale DiscussionSPC85 min
Jun 21, 11:15 PM CDTMesoscale DiscussionSPC60 min
Jun 22, 4:59 PM CDTMesoscale DiscussionSPC2 hr
Jun 23, 3:45 AM CDTFlash Flood WatchARX3 days
Jun 24, 4:24 AM CDTFlash Flood WatchARX51 hr
Jun 26, 1:02 PM CDTMesoscale DiscussionSPC118 min
Jun 27, 12:42 PM CDTMesoscale DiscussionSPC3 hr
Jul 9, 9:49 AM CDTMesoscale DiscussionSPC56 min
Jul 16, 11:51 AM CDTHeat AdvisoryARX3 days
Jul 17, 1:26 PM CDTMesoscale DiscussionSPC2 hr
Jul 22, 3:33 PM CDTSevere Thunderstorm WatchSPC6 hr
Jul 22, 5:45 PM CDTMesoscale DiscussionSPC60 min
Jul 22, 7:42 PM CDTMesoscale DiscussionSPC63 min
Jul 25, 1:39 PM CDTSevere Thunderstorm WatchSPC7 hr
Jul 25, 3:01 PM CDTSevere Thunderstorm WarningARX59 min
Jul 25, 3:57 PM CDTSevere Thunderstorm WarningARX63 min
Aug 6, 1:17 PM CDTMesoscale DiscussionSPC88 min
Aug 6, 7:31 PM CDTSevere Thunderstorm WatchSPC6 hr
Aug 6, 10:11 PM CDTMesoscale DiscussionSPC2 hr
Aug 6, 10:53 PM CDTSevere Thunderstorm WarningARX52 min
Aug 11, 3:06 PM CDTDense Fog AdvisoryARX18 hr
Aug 21, 2:05 PM CDTMesoscale DiscussionSPC85 min
Aug 24, 3:26 AM CDTHeat AdvisoryARX4 days
Sep 8, 3:49 PM CDTHeat AdvisoryARX28 hr
Sep 16, 7:58 PM CDTFrost AdvisoryARX11 hr
Sep 21, 3:12 AM CDTFrost AdvisoryARX29 hr
Sep 25, 3:36 AM CDTDense Fog AdvisoryARX6 hr
Sep 26, 5:22 AM CDTDense Fog AdvisoryARX5 hr
Oct 4, 11:05 PM CDTFlash Flood WatchARX5 hr
Oct 13, 2:49 PM CDTFrost AdvisoryARX17 hr
Oct 17, 4:33 AM CDTDense Fog AdvisoryARX5 hr
Oct 30, 9:42 PM CDTDense Fog AdvisoryARX14 hr
Nov 5, 2:53 AM CSTDense Fog AdvisoryARX9 hr
Dec 3, 3:53 AM CSTDense Fog AdvisoryARX38 hr
Dec 3, 4:24 AM CSTWinter Weather AdvisoryARX41 hr
Dec 7, 12:01 PM CSTWinter Weather AdvisoryARX39 hr
Dec 10, 3:56 AM CSTWind Chill AdvisoryARX49 hr
Dec 19, 3:26 AM CSTFreezing Rain AdvisoryARX39 hr
Dec 21, 4:12 AM CSTWinter Weather AdvisoryARX31 hr
Dec 23, 3:22 PM CSTWinter Weather AdvisoryARX36 hr
Dec 28, 2:51 PM CSTWind Chill AdvisoryARX45 hr
Dec 30, 3:24 PM CSTWind Chill AdvisoryARX21 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 archive20122014

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.