Alert archive / Minnesota / Ramsey County

Weather alerts in Ramsey County, Minnesota, 2015

91 weather alerts in 2015, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Ramsey County and its neighbors

Each county as a circle sized by its count in 2015. Tap one for its archive.

Alerts
91
Warnings
13
Watches
14
Advisories
26
Busiest month
July19 alerts
Busiest day
July 13, 20157 alerts

Over time

By month

Warning verification

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

0 of 1 tornado reports fell inside a warning.

Ramsey County, 2015

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings010%
Severe thunderstorm warnings8713%1377%32 min
Flash flood warnings110%1100%25 min

Each office's whole area, 2015

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Twin Cities, MN: tornado warnings33876%2552%14 min
NWS Twin Cities, MN: severe thunderstorm warnings1316749%30763%28 min
NWS Twin Cities, MN: flash flood warnings141029%2176%58 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 3, 3:38 AM CSTWind Chill AdvisoryMPX54 hr
Jan 6, 3:52 AM CSTWind Chill WarningMPX29 hr
Jan 7, 9:00 AM CSTWind Chill AdvisoryMPX21 hr
Jan 8, 4:20 AM CSTWinter Weather AdvisoryMPX20 hr
Jan 8, 3:49 PM CSTWind Chill AdvisoryMPX20 hr
Jan 9, 3:21 AM CSTWind Chill AdvisoryMPX30 hr
Jan 28, 3:02 PM CSTFreezing Rain AdvisoryMPX15 hr
Feb 3, 3:19 AM CSTWinter Weather AdvisoryMPX16 hr
Feb 9, 3:49 PM CSTWinter Weather AdvisoryMPX32 hr
Feb 13, 2:20 PM CSTWind Chill AdvisoryMPX22 hr
Feb 17, 3:05 AM CSTWind Chill AdvisoryMPX33 hr
Feb 20, 3:22 PM CSTWind Chill AdvisoryMPX67 hr
Mar 2, 4:08 AM CSTWinter Weather AdvisoryMPX37 hr
Mar 21, 3:35 PM CDTWinter Weather AdvisoryMPX36 hr
Mar 28, 2:48 PM CDTWind AdvisoryMPX27 hr
Mar 31, 3:03 PM CDTWind AdvisoryMPX29 hr
Apr 1, 3:38 AM CDTFire Weather WatchMPX31 hr
Apr 1, 6:59 PM CDTSpecial Weather StatementMPX46 min
Apr 15, 3:57 AM CDTRed Flag WarningMPX16 hr
Apr 20, 3:21 AM CDTWind AdvisoryMPX11 hr
Apr 21, 3:19 PM CDTFire Weather WatchMPX13 hr
May 3, 3:41 PM CDTMesoscale DiscussionSPC2 hr
May 3, 4:20 PM CDTSevere Thunderstorm WarningMPX55 min
May 3, 5:08 PM CDTSevere Thunderstorm WarningMPX52 min
May 17, 6:16 PM CDTWind AdvisoryMPX10 hr
May 17, 8:47 PM CDTSpecial Weather StatementMPX28 min
May 26, 12:49 PM CDTSpecial Weather StatementMPX71 min
Jun 9, 7:59 PM CDTMesoscale DiscussionSPC91 min
Jun 22, 2:25 AM CDTSevere Thunderstorm WatchSPC6 hr
Jun 22, 4:53 AM CDTMesoscale DiscussionSPC2 hr
Jun 22, 7:16 AM CDTWind AdvisoryMPX4 hr
Jun 22, 7:42 AM CDTMesoscale DiscussionSPC93 min
Jun 22, 8:29 AM CDTSpecial Weather StatementMPX31 min
Jun 22, 2:50 PM CDTMesoscale DiscussionSPC55 min
Jun 28, 3:48 PM CDTSpecial Weather StatementMPX42 min
Jun 29, 12:06 PM CDTMesoscale DiscussionSPC84 min
Jun 29, 1:57 PM CDTSevere Thunderstorm WatchSPC8 hr
Jun 29, 4:49 PM CDTMesoscale DiscussionSPC86 min
Jun 29, 6:28 PM CDTSevere Thunderstorm WarningMPX47 min
Jun 29, 6:48 PM CDTSevere Thunderstorm WarningMPX42 min
Jun 29, 7:09 PM CDTSevere Thunderstorm WarningMPX44 min
Jun 29, 7:25 PM CDTMesoscale DiscussionSPC65 min
Jun 29, 8:29 PM CDTSpecial Weather StatementMPX31 min
Jul 5, 8:54 PM CDTFlash Flood WatchMPX16 hr
Jul 6, 2:14 AM CDTSpecial Weather StatementMPX2 hr
Jul 11, 5:02 AM CDTHeat AdvisoryMPX38 hr
Jul 12, 5:28 PM CDTTornado WatchSPC5 hr
Jul 12, 7:51 PM CDTMesoscale DiscussionSPC114 min
Jul 12, 9:41 PM CDTMesoscale DiscussionSPC94 min
Jul 12, 9:48 PM CDTSevere Thunderstorm WarningMPX57 min
Jul 12, 9:59 PM CDTSevere Thunderstorm WatchSPC6 hr
Jul 12, 10:45 PM CDTSpecial Weather StatementMPX60 min
Jul 12, 11:55 PM CDTMesoscale DiscussionSPC95 min
Jul 13, 1:51 PM CDTMesoscale DiscussionSPC84 min
Jul 17, 8:39 PM CDTSevere Thunderstorm WatchSPC5 hr
Jul 18, 12:23 AM CDTMesoscale DiscussionSPC67 min
Jul 18, 12:26 AM CDTSevere Thunderstorm WarningMPX49 min
Jul 18, 1:42 AM CDTSpecial Weather StatementMPX63 min
Jul 24, 5:28 AM CDTMesoscale DiscussionSPC3 hr
Jul 24, 5:14 PM CDTMesoscale DiscussionSPC91 min
Jul 28, 5:18 AM CDTSpecial Weather StatementMPX57 min
Jul 28, 6:21 AM CDTSpecial Weather StatementMPX54 min
Aug 2, 4:21 AM CDTMesoscale DiscussionSPC2 hr
Aug 2, 7:51 AM CDTMesoscale DiscussionSPC2 hr
Aug 12, 7:03 PM CDTSevere Thunderstorm WatchSPC3 hr
Aug 14, 9:14 AM CDTHeat AdvisoryMPX12 hr
Aug 15, 4:00 AM CDTHeat AdvisoryMPX15 hr
Aug 16, 10:56 AM CDTFlash Flood WatchMPX8 hr
Aug 16, 4:01 PM CDTMesoscale DiscussionSPC119 min
Aug 22, 2:13 PM CDTMesoscale DiscussionSPC62 min
Aug 22, 2:35 PM CDTTornado WatchSPC7 hr
Aug 22, 5:52 PM CDTMesoscale DiscussionSPC83 min
Aug 22, 8:06 PM CDTMesoscale DiscussionSPC84 min
Sep 5, 4:37 AM CDTHeat AdvisoryMPX14 hr
Sep 6, 2:31 PM CDTMesoscale DiscussionSPC119 min
Sep 6, 3:42 PM CDTSevere Thunderstorm WatchSPC6 hr
Sep 6, 6:29 PM CDTMesoscale DiscussionSPC2 hr
Sep 17, 4:15 AM CDTSevere Thunderstorm WarningMPX45 min
Sep 17, 6:27 AM CDTSpecial Weather StatementMPX63 min
Sep 17, 6:38 AM CDTFlash Flood WarningMPX2 hr
Sep 17, 11:05 AM CDTSpecial Weather StatementMPX40 min
Sep 17, 12:41 PM CDTSpecial Weather StatementMPX49 min
Sep 17, 3:58 PM CDTMesoscale DiscussionSPC2 hr
Oct 11, 3:14 PM CDTWind AdvisoryMPX27 hr
Oct 16, 3:33 AM CDTFreeze WarningMPX29 hr
Nov 28, 3:29 PM CSTWinter Storm WatchMPX36 hr
Nov 29, 2:15 PM CSTWinter Weather AdvisoryMPX50 hr
Dec 23, 1:30 PM CSTWinter Weather AdvisoryMPX9 hr
Dec 25, 3:16 PM CSTWinter Weather AdvisoryMPX27 hr
Dec 26, 3:05 PM CSTWinter Storm WatchMPX37 hr
Dec 27, 3:13 PM CSTWinter Storm WarningMPX49 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 archive20142016

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.