Alert archive / Florida / Hillsborough County

Weather alerts in Hillsborough County, Florida, 2014

265 weather alerts in 2014, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Hillsborough County and its neighbors

Each county as a circle sized by its count in 2014. Tap one for its archive.

Alerts
265
Warnings
39
Watches
15
Advisories
76
Busiest month
January36 alerts
Busiest day
March 17, 20149 alerts

Over time

By month

Warning verification

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

1 of 3 tornado warnings covering Hillsborough County in 2014 had a tornado report inside them; 1 of 3 tornado reports fell inside a warning, on average 5 minutes after it went out.

Hillsborough County, 2014

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings3167%333%5 min
Severe thunderstorm warnings19953%2190%16 min
Flash flood warnings10100%0

Each office's whole area, 2014

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Tampa Bay, FL: tornado warnings10280%650%19 min
NWS Tampa Bay, FL: severe thunderstorm warnings733947%9572%19 min
NWS Tampa Bay, FL: flash flood warnings10100%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 2, 1:07 AM ESTDense Fog AdvisoryTBW8 hr
Jan 2, 3:00 PM ESTLake Wind AdvisoryTBW18 hr
Jan 2, 3:11 PM ESTWind Chill AdvisoryTBW19 hr
Jan 2, 3:39 PM ESTRip Current StatementTBW24 hr
Jan 2, 3:39 PM ESTHigh Surf AdvisoryTBW24 hr
Jan 5, 5:03 AM ESTFreeze WatchTBW24 hr
Jan 6, 4:58 AM ESTDense Fog AdvisoryTBW5 hr
Jan 6, 4:58 AM ESTFreeze WatchTBW24 hr
Jan 6, 4:58 AM ESTFreeze WarningTBW28 hr
Jan 6, 5:00 AM ESTWind Chill AdvisoryTBW30 hr
Jan 6, 5:23 AM ESTRip Current StatementTBW38 hr
Jan 6, 5:23 AM ESTHigh Surf AdvisoryTBW38 hr
Jan 7, 4:06 PM ESTWind Chill AdvisoryTBW15 hr
Jan 11, 4:44 AM ESTLake Wind AdvisoryTBW13 hr
Jan 11, 6:49 PM ESTSpecial Weather StatementTBW41 min
Jan 14, 5:27 AM ESTRip Current StatementTBW15 hr
Jan 14, 7:08 AM ESTMesoscale DiscussionSPC67 min
Jan 15, 3:30 PM ESTFreeze WatchTBW12 hr
Jan 15, 3:40 PM ESTRip Current StatementTBW27 hr
Jan 15, 3:41 PM ESTWind Chill AdvisoryTBW13 hr
Jan 16, 3:18 AM ESTFreeze WarningTBW30 hr
Jan 18, 3:49 AM ESTFreeze WatchTBW13 hr
Jan 18, 4:28 PM ESTFreeze WarningTBW16 hr
Jan 20, 2:45 AM ESTDense Fog AdvisoryTBW6 hr
Jan 21, 4:23 AM ESTLake Wind AdvisoryTBW15 hr
Jan 21, 4:56 AM ESTRip Current StatementTBW34 hr
Jan 21, 4:56 AM ESTHigh Surf AdvisoryTBW34 hr
Jan 21, 12:46 PM ESTSpecial Weather StatementTBW59 min
Jan 21, 2:14 PM ESTWind Chill AdvisoryTBW19 hr
Jan 21, 2:32 PM ESTFreeze WatchTBW25 hr
Jan 22, 3:05 PM ESTFrost AdvisoryTBW18 hr
Jan 22, 3:05 PM ESTFreeze WarningTBW18 hr
Jan 23, 10:28 AM ESTRed Flag WarningTBW3 hr
Jan 23, 2:51 PM ESTWind Chill AdvisoryTBW19 hr
Jan 24, 5:25 AM ESTRip Current StatementTBW13 hr
Jan 28, 12:21 AM ESTDense Fog AdvisoryTBW9 hr
Feb 1, 8:25 PM ESTDense Fog AdvisoryTBW13 hr
Feb 3, 6:55 PM ESTDense Fog AdvisoryTBW15 hr
Feb 12, 11:10 AM ESTLake Wind AdvisoryTBW8 hr
Feb 12, 2:07 PM ESTMesoscale DiscussionSPC113 min
Feb 12, 3:05 PM ESTSpecial Weather StatementTBW55 min
Feb 12, 3:06 PM ESTSevere Thunderstorm WatchSPC8 hr
Feb 12, 3:57 PM ESTSpecial Weather StatementTBW63 min
Feb 12, 4:45 PM ESTRip Current StatementTBW26 hr
Feb 12, 4:45 PM ESTHigh Surf AdvisoryTBW26 hr
Feb 12, 4:52 PM ESTSpecial Weather StatementTBW23 min
Feb 13, 4:03 AM ESTLake Wind AdvisoryTBW15 hr
Feb 15, 5:10 AM ESTLake Wind AdvisoryTBW10 hr
Feb 15, 6:03 AM ESTRip Current StatementTBW16 hr
Feb 23, 7:31 AM ESTDense Fog AdvisoryTBW2 hr
Feb 26, 4:30 AM ESTDense Fog AdvisoryTBW5 hr
Mar 6, 5:21 AM ESTRip Current StatementTBW8 hr
Mar 6, 11:28 AM ESTTornado WatchSPC5 hr
Mar 6, 12:19 PM ESTSevere Thunderstorm WarningTBW41 min
Mar 6, 12:33 PM ESTTornado WarningTBW27 min
Mar 7, 3:17 AM ESTLake Wind AdvisoryTBW15 hr
Mar 7, 3:32 AM ESTRip Current StatementTBW25 hr
Mar 7, 3:32 AM ESTHigh Surf AdvisoryTBW11 hr
Mar 12, 4:41 AM EDTLake Wind AdvisoryTBW14 hr
Mar 12, 5:33 AM EDTRip Current StatementTBW40 hr
Mar 12, 4:03 PM EDTHigh Surf AdvisoryTBW30 hr
Mar 16, 3:54 AM EDTLake Wind AdvisoryTBW15 hr
Mar 16, 3:33 PM EDTRip Current StatementTBW49 hr
Mar 17, 3:14 AM EDTLake Wind AdvisoryTBW15 hr
Mar 17, 8:52 AM EDTMesoscale DiscussionSPC2 hr
Mar 17, 12:43 PM EDTTornado WatchSPC8 hr
Mar 17, 1:35 PM EDTSpecial Weather StatementTBW40 min
Mar 17, 2:10 PM EDTSpecial Weather StatementTBW50 min
Mar 17, 2:12 PM EDTSpecial Weather StatementTBW48 min
Mar 17, 2:58 PM EDTSpecial Weather StatementTBW62 min
Mar 17, 3:02 PM EDTMesoscale DiscussionSPC58 min
Mar 17, 3:37 PM EDTSevere Thunderstorm WarningTBW38 min
Mar 18, 1:26 AM EDTSpecial Weather StatementTBW49 min
Mar 18, 5:05 AM EDTHigh Surf AdvisoryTBW12 hr
Mar 25, 4:29 AM EDTLake Wind AdvisoryTBW16 hr
Mar 25, 4:30 AM EDTRip Current StatementTBW29 hr
Mar 25, 4:30 AM EDTHigh Surf AdvisoryTBW29 hr
Mar 29, 4:59 AM EDTRip Current StatementTBW41 hr
Mar 29, 8:10 AM EDTMesoscale DiscussionSPC2 hr
Mar 29, 9:43 AM EDTTornado WatchSPC7 hr
Mar 29, 11:38 AM EDTMesoscale DiscussionSPC97 min
Mar 29, 12:55 PM EDTSpecial Weather StatementTBW95 min
Mar 29, 1:58 PM EDTSpecial Weather StatementTBW47 min
Mar 29, 2:05 PM EDTAreal Flood AdvisoryTBW115 min
Mar 29, 2:25 PM EDTMesoscale DiscussionSPC95 min
Mar 29, 5:10 PM EDTSpecial Weather StatementMFL50 min
Apr 7, 4:22 AM EDTRip Current StatementTBW72 hr
Apr 7, 4:25 AM EDTLake Wind AdvisoryTBW15 hr
Apr 8, 5:31 PM EDTHigh Surf AdvisoryTBW35 hr
Apr 15, 5:10 AM EDTRip Current StatementTBW23 hr
Apr 15, 5:15 AM EDTLake Wind AdvisoryTBW15 hr
Apr 15, 12:29 PM EDTMesoscale DiscussionSPC3 hr
Apr 15, 1:00 PM EDTSpecial Weather StatementTBW60 min
Apr 15, 1:14 PM EDTSevere Thunderstorm WarningTBW46 min
Apr 15, 2:03 PM EDTSpecial Weather StatementTBW57 min
Apr 18, 11:48 AM EDTMesoscale DiscussionSPC117 min
Apr 18, 1:51 PM EDTSevere Thunderstorm WatchSPC4 hr
Apr 18, 2:04 PM EDTSpecial Weather StatementTBW56 min
Apr 18, 2:23 PM EDTTornado WarningTBW22 min
Apr 19, 5:05 AM EDTRip Current StatementTBW15 hr
May 2, 9:20 AM EDTAreal Flood AdvisoryTBW115 min
May 2, 10:20 AM EDTAreal Flood AdvisoryTBW85 min
May 2, 11:00 AM EDTFlash Flood WarningTBW2 hr
May 2, 11:59 AM EDTAreal Flood AdvisoryTBW91 min
May 2, 12:29 PM EDTAreal Flood AdvisoryTBW91 min
May 2, 3:34 PM EDTFlood WatchTBW24 hr
May 14, 5:32 PM EDTSpecial Weather StatementTBW28 min
May 16, 4:01 AM EDTRed Flag WarningTBW14 hr
May 16, 4:01 AM EDTRip Current StatementTBW16 hr
May 16, 6:21 PM EDTFire Weather WatchTBW10 hr
May 16, 6:21 PM EDTRed Flag WarningTBW26 hr
May 25, 1:48 PM EDTMesoscale DiscussionSPC117 min
May 25, 3:14 PM EDTSpecial Weather StatementTBW31 min
May 25, 5:51 PM EDTSevere Thunderstorm WarningTBW39 min
May 26, 2:19 PM EDTMesoscale DiscussionSPC2 hr
May 26, 4:42 PM EDTSpecial Weather StatementTBW33 min
May 26, 4:58 PM EDTSpecial Weather StatementTBW32 min
May 26, 5:27 PM EDTSevere Thunderstorm WarningTBW48 min
May 27, 6:10 PM EDTSpecial Weather StatementTBW50 min
May 27, 7:06 PM EDTAreal Flood AdvisoryTBW84 min
May 28, 6:38 PM EDTSpecial Weather StatementTBW52 min
May 28, 7:33 PM EDTSpecial Weather StatementTBW42 min
May 28, 7:50 PM EDTSpecial Weather StatementTBW40 min
May 28, 7:59 PM EDTSevere Thunderstorm WarningTBW46 min
May 29, 5:04 PM EDTSevere Thunderstorm WarningTBW41 min
May 29, 5:26 PM EDTSevere Thunderstorm WarningTBW34 min
May 29, 5:44 PM EDTSevere Thunderstorm WarningTBW31 min
May 29, 6:00 PM EDTSevere Thunderstorm WarningTBW30 min
May 29, 6:18 PM EDTAreal Flood AdvisoryTBW57 min
May 29, 6:32 PM EDTSevere Thunderstorm WarningTBW28 min
May 29, 6:41 PM EDTAreal Flood AdvisoryTBW64 min
May 29, 7:04 PM EDTSpecial Weather StatementTBW41 min
May 29, 7:45 PM EDTAreal Flood AdvisoryTBW2 hr
May 30, 4:59 PM EDTSpecial Weather StatementTBW46 min
May 30, 5:08 PM EDTSevere Thunderstorm WarningTBW37 min
May 31, 4:27 PM EDTSpecial Weather StatementTBW48 min
Jun 8, 1:57 PM EDTMesoscale DiscussionSPC3 hr
Jun 10, 6:29 PM EDTSpecial Weather StatementTBW46 min
Jun 10, 7:21 PM EDTSpecial Weather StatementTBW54 min
Jun 13, 9:34 AM EDTSpecial Weather StatementTBW41 min
Jun 13, 10:21 AM EDTAreal Flood AdvisoryTBW54 min
Jun 13, 11:16 AM EDTAreal Flood AdvisoryTBW59 min
Jun 13, 12:00 PM EDTSpecial Weather StatementTBW30 min
Jun 13, 6:53 PM EDTSpecial Weather StatementTBW52 min
Jun 14, 6:07 PM EDTSpecial Weather StatementTBW53 min
Jun 14, 6:42 PM EDTSpecial Weather StatementTBW48 min
Jun 15, 5:43 PM EDTSpecial Weather StatementTBW47 min
Jun 15, 8:09 PM EDTSpecial Weather StatementTBW51 min
Jun 16, 5:27 PM EDTSpecial Weather StatementTBW48 min
Jun 16, 6:41 PM EDTSpecial Weather StatementTBW49 min
Jun 17, 6:42 PM EDTSpecial Weather StatementTBW48 min
Jun 17, 6:51 PM EDTSpecial Weather StatementTBW54 min
Jun 18, 4:27 PM EDTSpecial Weather StatementTBW63 min
Jun 18, 5:31 PM EDTSpecial Weather StatementTBW59 min
Jun 19, 6:21 PM EDTSevere Thunderstorm WarningTBW54 min
Jun 19, 7:33 PM EDTSpecial Weather StatementTBW42 min
Jun 19, 8:01 PM EDTAreal Flood AdvisoryTBW59 min
Jun 20, 3:44 PM EDTSpecial Weather StatementTBW46 min
Jun 22, 5:03 AM EDTRip Current StatementTBW16 hr
Jun 23, 1:25 PM EDTSpecial Weather StatementTBW50 min
Jun 27, 5:05 PM EDTSpecial Weather StatementTBW40 min
Jun 27, 6:09 PM EDTSevere Thunderstorm WarningTBW24 min
Jun 30, 6:26 PM EDTSpecial Weather StatementTBW34 min
Jul 2, 6:23 PM EDTSevere Thunderstorm WarningTBW25 min
Jul 3, 5:30 AM EDTRip Current StatementTBW17 hr
Jul 5, 8:17 PM EDTSpecial Weather StatementTBW43 min
Jul 6, 12:31 PM EDTSpecial Weather StatementTBW44 min
Jul 8, 9:47 PM EDTSpecial Weather StatementTBW28 min
Jul 8, 9:53 PM EDTAreal Flood AdvisoryTBW52 min
Jul 9, 3:13 PM EDTAreal Flood AdvisoryTBW92 min
Jul 10, 3:23 PM EDTAreal Flood AdvisoryTBW52 min
Jul 10, 5:48 PM EDTAreal Flood AdvisoryTBW57 min
Jul 11, 4:52 PM EDTSpecial Weather StatementTBW23 min
Jul 11, 5:03 PM EDTSevere Thunderstorm WarningTBW27 min
Jul 11, 5:29 PM EDTAreal Flood AdvisoryTBW61 min
Jul 12, 5:33 PM EDTSpecial Weather StatementTBW27 min
Jul 12, 6:00 PM EDTSpecial Weather StatementTBW45 min
Jul 13, 5:08 PM EDTSpecial Weather StatementTBW22 min
Jul 14, 4:57 PM EDTSpecial Weather StatementTBW48 min
Jul 15, 4:11 PM EDTRip Current StatementTBW52 hr
Jul 16, 10:49 AM EDTSpecial Weather StatementTBW26 min
Jul 16, 10:50 AM EDTRiver Flood WarningTBW60 hr
Jul 17, 1:54 PM EDTSpecial Weather StatementTBW51 min
Jul 21, 4:52 PM EDTSevere Thunderstorm WarningTBW38 min
Jul 21, 5:28 PM EDTSpecial Weather StatementTBW62 min
Jul 25, 5:05 PM EDTSpecial Weather StatementTBW40 min
Jul 26, 12:13 PM EDTSpecial Weather StatementTBW47 min
Jul 28, 5:10 AM EDTRip Current StatementTBW39 hr
Aug 2, 5:26 PM EDTSpecial Weather StatementTBW64 min
Aug 2, 8:59 PM EDTSpecial Weather StatementTBW61 min
Aug 2, 9:29 PM EDTSpecial Weather StatementTBW46 min
Aug 8, 1:26 PM EDTSpecial Weather StatementTBW34 min
Aug 8, 1:56 PM EDTSpecial Weather StatementTBW34 min
Aug 11, 4:46 AM EDTRip Current StatementTBW16 hr
Aug 12, 3:42 AM EDTRip Current StatementTBW38 hr
Aug 15, 12:19 PM EDTAreal Flood AdvisoryTBW86 min
Aug 18, 4:04 PM EDTSpecial Weather StatementTBW26 min
Aug 22, 5:26 PM EDTSpecial Weather StatementTBW49 min
Aug 22, 5:44 PM EDTSpecial Weather StatementTBW46 min
Aug 22, 5:49 PM EDTSevere Thunderstorm WarningTBW41 min
Aug 22, 6:00 PM EDTSpecial Weather StatementTBW45 min
Aug 24, 4:21 PM EDTSpecial Weather StatementTBW39 min
Aug 24, 4:51 PM EDTSpecial Weather StatementTBW39 min
Aug 24, 5:05 PM EDTSevere Thunderstorm WarningTBW25 min
Aug 24, 5:44 PM EDTSpecial Weather StatementTBW61 min
Aug 25, 9:32 AM EDTLake Wind AdvisoryTBW9 hr
Aug 29, 4:51 PM EDTAreal Flood AdvisoryTBW54 min
Aug 30, 5:27 PM EDTSpecial Weather StatementTBW48 min
Aug 30, 6:17 PM EDTSpecial Weather StatementTBW43 min
Aug 30, 6:45 PM EDTSpecial Weather StatementTBW45 min
Sep 1, 7:33 PM EDTTornado WarningTBW8 min
Sep 1, 7:36 PM EDTSpecial Weather StatementTBW39 min
Sep 1, 7:47 PM EDTSpecial Weather StatementTBW28 min
Sep 7, 5:47 PM EDTAreal Flood AdvisoryTBW118 min
Sep 20, 9:59 AM EDTRiver Flood WarningTBW4 days
Sep 22, 1:45 PM EDTSpecial Weather StatementTBW45 min
Sep 26, 4:44 PM EDTAreal Flood AdvisoryTBW61 min
Sep 26, 5:25 PM EDTAreal Flood AdvisoryTBW65 min
Sep 26, 5:35 PM EDTAreal Flood WarningTBW3 hr
Sep 26, 5:43 PM EDTAreal Flood WarningTBW3 hr
Sep 26, 5:48 PM EDTAreal Flood AdvisoryTBW87 min
Sep 26, 7:17 PM EDTRiver Flood WarningTBW7 days
Sep 26, 9:13 PM EDTFlood WatchTBW24 hr
Sep 26, 9:34 PM EDTRiver Flood WarningTBW7 days
Sep 27, 10:01 PM EDTAreal Flood AdvisoryTBW89 min
Sep 30, 4:42 AM EDTRip Current StatementTBW15 hr
Oct 1, 5:06 AM EDTAreal Flood AdvisoryTBW84 min
Oct 3, 2:23 PM EDTRip Current StatementTBW33 hr
Oct 13, 3:46 PM EDTRip Current StatementTBW28 hr
Oct 15, 4:39 AM EDTRip Current StatementTBW39 hr
Oct 31, 2:02 PM EDTRip Current StatementTBW39 hr
Oct 31, 2:02 PM EDTHigh Surf AdvisoryTBW39 hr
Oct 31, 2:10 PM EDTLake Wind AdvisoryTBW30 hr
Nov 2, 4:02 AM ESTRip Current StatementTBW13 hr
Nov 7, 3:18 AM ESTRip Current StatementTBW16 hr
Nov 14, 3:57 AM ESTRip Current StatementTBW18 hr
Nov 17, 12:14 PM ESTMesoscale DiscussionSPC2 hr
Nov 17, 12:30 PM ESTTornado WatchSPC6 hr
Nov 17, 2:34 PM ESTSpecial Weather StatementTBW56 min
Nov 17, 3:10 PM ESTMesoscale DiscussionSPC65 min
Nov 18, 3:49 AM ESTRip Current StatementTBW36 hr
Nov 18, 3:49 AM ESTHigh Surf AdvisoryTBW28 hr
Nov 18, 3:43 PM ESTWind Chill AdvisoryTBW17 hr
Nov 23, 5:25 AM ESTRip Current StatementTBW14 hr
Nov 23, 2:25 PM ESTLake Wind AdvisoryTBW5 hr
Nov 25, 6:38 AM ESTMesoscale DiscussionSPC97 min
Nov 25, 7:16 AM ESTSpecial Weather StatementTBW44 min
Nov 25, 10:08 AM ESTRiver Flood WarningTBW5 days
Nov 25, 11:26 AM ESTFlood WatchTBW25 hr
Nov 25, 2:13 PM ESTMesoscale DiscussionSPC2 hr
Nov 25, 3:03 PM ESTRip Current StatementTBW23 hr
Nov 25, 3:03 PM ESTHigh Surf AdvisoryTBW23 hr
Nov 25, 4:50 PM ESTAreal Flood AdvisoryTBW115 min
Nov 25, 6:48 PM ESTAreal Flood AdvisoryTBW87 min
Nov 25, 8:14 PM ESTAreal Flood AdvisoryTBW91 min
Nov 25, 9:31 PM ESTRiver Flood WarningTBW9 days
Nov 26, 10:55 AM ESTRiver Flood WarningTBW50 hr
Nov 27, 3:18 PM ESTWind Chill AdvisoryTBW12 hr
Dec 9, 4:29 AM ESTRip Current StatementTBW34 hr
Dec 15, 7:38 PM ESTDense Fog AdvisoryTBW15 hr
Dec 24, 5:00 AM ESTRip Current StatementTBW14 hr
Dec 24, 5:33 PM ESTSpecial Weather StatementTBW57 min
Dec 25, 3:13 AM ESTRip Current StatementTBW16 hr
Dec 28, 3:34 AM ESTDense Fog AdvisoryTBW6 hr
Dec 29, 10:34 PM ESTDense Fog AdvisoryTBW11 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 archive20132015

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.