Alert archive / Michigan / Tuscola County

Weather alerts in Tuscola County, Michigan, 2019

100 weather alerts in 2019, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Tuscola County and its neighbors

Each county as a circle sized by its count in 2019. Tap one for its archive.

Alerts
100
Warnings
18
Watches
13
Advisories
39
Busiest month
July18 alerts
Busiest day
July 20, 20196 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 warnings covering Tuscola County in 2019 had a tornado report inside them.

Tuscola County, 2019

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings10100%0
Severe thunderstorm warnings770%1090%20 min
Flash flood warnings00

Each office's whole area, 2019

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Detroit, MI: tornado warnings11282%888%14 min
NWS Detroit, MI: severe thunderstorm warnings845930%16273%19 min
NWS Detroit, MI: flash flood warnings50100%0

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, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeLasted
Jan 15, 2:58 PM ESTWinter Weather AdvisoryDTX19 hr
Jan 20, 2:44 AM ESTWind Chill AdvisoryDTX33 hr
Jan 22, 3:05 AM ESTWinter Weather AdvisoryDTX33 hr
Jan 26, 4:05 PM ESTWinter Storm WatchDTX12 hr
Jan 27, 3:43 AM ESTWinter Storm WarningDTX40 hr
Jan 28, 8:18 AM ESTMesoscale DiscussionSPC4 hr
Jan 28, 4:34 PM ESTWind Chill WatchDTX8 hr
Jan 29, 12:23 AM ESTWind Chill WarningDTX62 hr
Jan 31, 1:51 PM ESTWind Chill AdvisoryDTX19 hr
Feb 5, 3:35 AM ESTWinter Weather AdvisoryDTX33 hr
Feb 5, 9:54 PM ESTMesoscale DiscussionSPC6 hr
Feb 6, 3:00 PM ESTWinter Weather AdvisoryDTX25 hr
Feb 7, 3:02 AM ESTWind AdvisoryDTX31 hr
Feb 7, 7:51 PM ESTSpecial Weather StatementDTX114 min
Feb 10, 3:36 PM ESTWinter Storm WatchDTX24 hr
Feb 11, 4:03 PM ESTWinter Storm WarningDTX20 hr
Feb 11, 4:03 PM ESTWinter Weather AdvisoryDTX48 hr
Feb 19, 12:23 PM ESTWinter Weather AdvisoryDTX34 hr
Feb 22, 11:00 AM ESTHigh Wind WatchDTX29 hr
Feb 23, 3:43 PM ESTHigh Wind WarningDTX36 hr
Feb 26, 2:45 PM ESTWinter Weather AdvisoryDTX22 hr
Mar 9, 2:56 PM ESTWinter Weather AdvisoryDTX10 hr
Mar 10, 3:03 AM EDTWind AdvisoryDTX13 hr
Mar 14, 4:54 PM EDTSpecial Weather StatementDTX36 min
Mar 14, 6:08 PM EDTSevere Thunderstorm WatchSPC4 hr
Mar 14, 7:34 PM EDTSevere Thunderstorm WarningDTX41 min
Apr 13, 1:12 PM EDTCoastal Flood WatchDTX14 hr
Apr 14, 3:09 AM EDTLakeshore Flood WarningDTX25 hr
Apr 18, 2:42 PM EDTLakeshore Flood AdvisoryDTX55 hr
Apr 30, 3:30 PM EDTLakeshore Flood AdvisoryDTX24 hr
May 10, 12:44 PM EDTFrost AdvisoryDTX19 hr
May 11, 1:41 PM EDTLakeshore Flood AdvisoryDTX56 hr
May 19, 2:29 PM EDTSevere Thunderstorm WarningDTX17 min
May 25, 1:41 AM EDTSpecial Weather StatementDTX2 hr
May 25, 2:59 AM EDTSpecial Weather StatementDTX2 hr
May 25, 4:45 AM EDTAreal Flood AdvisoryDTX8 hr
May 25, 7:20 AM EDTAreal Flood WarningDTX5 hr
May 25, 9:15 AM EDTAreal Flood AdvisoryDTX3 hr
May 27, 10:11 AM EDTLakeshore Flood AdvisoryDTX31 hr
May 31, 11:36 PM EDTSpecial Weather StatementDTX69 min
Jun 1, 2:05 PM EDTSpecial Weather StatementDTX40 min
Jun 5, 9:43 PM EDTLakeshore Flood StatementDTX2 hr
Jun 12, 2:10 PM EDTLakeshore Flood AdvisoryDTX38 hr
Jun 19, 9:50 AM EDTLakeshore Flood AdvisoryDTX36 hr
Jun 25, 9:36 PM EDTSpecial Weather StatementDTX39 min
Jun 28, 8:56 AM EDTSpecial Weather StatementDTX49 min
Jun 28, 9:23 AM EDTSpecial Weather StatementDTX52 min
Jul 6, 3:10 AM EDTLakeshore Flood AdvisoryDTX53 hr
Jul 11, 1:19 AM EDTSpecial Weather StatementDTX56 min
Jul 11, 1:57 AM EDTSpecial Weather StatementDTX48 min
Jul 15, 4:06 PM EDTSpecial Weather StatementDTX54 min
Jul 15, 4:40 PM EDTSpecial Weather StatementDTX65 min
Jul 18, 4:12 AM EDTHeat AdvisoryDTX63 hr
Jul 20, 2:47 AM EDTSpecial Weather StatementDTX73 min
Jul 20, 12:31 PM EDTLakeshore Flood StatementDTX2 hr
Jul 20, 2:15 PM EDTSevere Thunderstorm WatchSPC6 hr
Jul 20, 4:44 PM EDTMesoscale DiscussionSPC2 hr
Jul 20, 5:17 PM EDTSevere Thunderstorm WarningDTX37 min
Jul 20, 5:53 PM EDTSevere Thunderstorm WarningDTX67 min
Jul 21, 9:58 PM EDTLakeshore Flood AdvisoryDTX24 hr
Jul 22, 4:29 AM EDTLakeshore Flood StatementDTX8 hr
Jul 29, 2:01 PM EDTSpecial Weather StatementDTX74 min
Jul 29, 2:11 PM EDTMesoscale DiscussionSPC2 hr
Jul 29, 2:26 PM EDTSpecial Weather StatementDTX64 min
Jul 29, 2:38 PM EDTSevere Thunderstorm WarningDTX42 min
Aug 8, 3:14 AM EDTSpecial Weather StatementDTX46 min
Aug 12, 9:23 PM EDTLakeshore Flood AdvisoryDTX55 hr
Aug 13, 3:46 AM EDTBeach Hazards StatementDTX18 hr
Aug 18, 12:47 PM EDTMesoscale DiscussionSPC88 min
Sep 10, 6:28 PM EDTSevere Thunderstorm WatchSPC4 hr
Sep 10, 7:53 PM EDTSevere Thunderstorm WarningDTX67 min
Sep 10, 8:36 PM EDTTornado WarningDTX24 min
Sep 11, 2:31 PM EDTSevere Thunderstorm WatchSPC8 hr
Sep 11, 3:17 PM EDTSpecial Weather StatementDTX88 min
Sep 11, 4:33 PM EDTMesoscale DiscussionSPC117 min
Sep 12, 3:35 AM EDTLakeshore Flood AdvisoryDTX18 hr
Sep 13, 2:45 PM EDTSevere Thunderstorm WatchSPC6 hr
Oct 1, 1:02 PM EDTSevere Thunderstorm WarningDTX43 min
Oct 1, 2:55 PM EDTFlood WatchDTX24 hr
Oct 2, 4:26 AM EDTLakeshore Flood AdvisoryDTX18 hr
Oct 4, 3:58 AM EDTLakeshore Flood StatementDTX6 hr
Oct 14, 3:04 AM EDTFrost AdvisoryDTX29 hr
Oct 15, 2:54 PM EDTLakeshore Flood AdvisoryDTX25 hr
Oct 16, 3:48 PM EDTLakeshore Flood WarningDTX20 hr
Oct 16, 3:55 PM EDTWind AdvisoryDTX12 hr
Oct 17, 3:28 PM EDTFreeze WarningDTX17 hr
Oct 30, 3:52 AM EDTLakeshore Flood WarningDTX42 hr
Oct 30, 3:52 AM EDTLakeshore Flood AdvisoryDTX48 hr
Oct 31, 3:10 AM EDTWind AdvisoryDTX25 hr
Nov 1, 4:17 AM EDTLakeshore Flood AdvisoryDTX6 hr
Nov 10, 3:02 AM ESTWinter Storm WatchDTX12 hr
Nov 10, 3:10 AM ESTLakeshore Flood AdvisoryDTX61 hr
Nov 10, 3:11 PM ESTWinter Storm WarningDTX43 hr
Nov 10, 3:11 PM ESTWinter Weather AdvisoryDTX36 hr
Nov 27, 10:13 PM ESTLakeshore Flood AdvisoryDTX24 hr
Nov 30, 3:23 AM ESTWinter Storm WatchDTX10 hr
Nov 30, 3:23 AM ESTWinter Weather AdvisoryDTX33 hr
Nov 30, 6:34 AM ESTLakeshore Flood AdvisoryDTX63 hr
Dec 6, 9:38 AM ESTLakeshore Flood StatementDTX5 hr
Dec 29, 8:48 PM ESTWind AdvisoryDTX19 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 archive20182020

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.