Alert archive / Florida / Hillsborough County
Weather alerts in Hillsborough County, Florida, 2015
227 weather alerts in 2015, 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 2015. Tap one for its archive.
- Alerts
- 227
- Warnings
- 38
- Watches
- 7
- Advisories
- 67
- Busiest month
- August67 alerts
- Busiest day
- August 1, 201512 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Hillsborough County, 2015
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 9 | 7 | 22% | 13 | 77% | 18 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2015
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Tampa Bay, FL: tornado warnings | 3 | 0 | 100% | 3 | 0% | |
| NWS Tampa Bay, FL: severe thunderstorm warnings | 44 | 23 | 48% | 53 | 62% | 12 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, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 2, 4:13 AM EST | Dense Fog Advisory | TBW | 5 hr |
| Jan 4, 4:35 AM EST | Rip Current Statement | TBW | 16 hr |
| Jan 7, 10:22 AM EST | Rip Current Statement | TBW | 30 hr |
| Jan 7, 10:22 AM EST | High Surf Advisory | TBW | 18 hr |
| Jan 7, 10:22 AM EST | Wind Chill Advisory | TBW | 24 hr |
| Jan 9, 5:05 AM EST | Rip Current Statement | TBW | 16 hr |
| Jan 12, 8:28 PM EST | Dense Fog Advisory | TBW | 14 hr |
| Jan 18, 3:54 AM EST | Rip Current Statement | TBW | 15 hr |
| Jan 23, 3:16 AM EST | Lake Wind Advisory | TBW | 17 hr |
| Jan 23, 8:35 PM EST | Lake Wind Advisory | TBW | 22 hr |
| Jan 24, 3:00 AM EST | Rip Current Statement | TBW | 22 hr |
| Jan 24, 3:00 AM EST | High Surf Advisory | TBW | 22 hr |
| Jan 26, 3:27 AM EST | Lake Wind Advisory | TBW | 15 hr |
| Jan 26, 3:34 AM EST | Rip Current Statement | TBW | 42 hr |
| Jan 26, 3:34 AM EST | High Surf Advisory | TBW | 27 hr |
| Jan 26, 4:22 AM EST | Special Weather Statement | TBW | 38 min |
| Feb 2, 3:57 AM EST | Rip Current Statement | TBW | 24 hr |
| Feb 5, 2:15 AM EST | Special Weather Statement | TBW | 45 min |
| Feb 10, 3:52 AM EST | Rip Current Statement | TBW | 18 hr |
| Feb 18, 3:18 AM EST | Freeze Watch | TBW | 24 hr |
| Feb 18, 3:25 AM EST | Wind Chill Advisory | TBW | 30 hr |
| Feb 18, 3:29 AM EST | Rip Current Statement | TBW | 40 hr |
| Feb 18, 3:04 PM EST | High Surf Advisory | TBW | 28 hr |
| Feb 19, 3:16 AM EST | Freeze Warning | TBW | 30 hr |
| Feb 19, 3:16 AM EST | Hard Freeze Warning | TBW | 30 hr |
| Feb 19, 3:16 AM EST | Lake Wind Advisory | TBW | 15 hr |
| Feb 19, 3:26 AM EST | Wind Chill Advisory | TBW | 31 hr |
| Feb 23, 5:09 AM EST | Dense Fog Advisory | TBW | 5 hr |
| Feb 23, 8:20 PM EST | Dense Fog Advisory | TBW | 14 hr |
| Feb 25, 7:49 AM EST | Dense Fog Advisory | TBW | 2 hr |
| Feb 25, 10:01 PM EST | Rip Current Statement | TBW | 24 hr |
| Feb 26, 2:14 AM EST | Mesoscale Discussion | SPC | 91 min |
| Feb 26, 3:43 AM EST | High Surf Advisory | TBW | 18 hr |
| Mar 2, 6:14 AM EST | Dense Fog Advisory | TBW | 4 hr |
| Mar 3, 3:29 AM EST | Dense Fog Advisory | TBW | 6 hr |
| Mar 6, 3:37 AM EST | Dense Fog Advisory | TBW | 6 hr |
| Mar 27, 5:14 AM EDT | Beach Hazards Statement | TBW | 16 hr |
| Mar 28, 4:20 AM EDT | Rip Current Statement | TBW | 17 hr |
| Apr 11, 6:15 PM EDT | Special Weather Statement | TBW | 45 min |
| Apr 11, 6:51 PM EDT | Areal Flood Advisory | TBW | 114 min |
| Apr 11, 7:22 PM EDT | Areal Flood Warning | TBW | 113 min |
| Apr 12, 6:17 PM EDT | Special Weather Statement | TBW | 28 min |
| Apr 16, 4:36 PM EDT | Special Weather Statement | TBW | 24 min |
| Apr 16, 4:50 PM EDT | Areal Flood Advisory | TBW | 115 min |
| Apr 16, 5:02 PM EDT | Special Weather Statement | TBW | 43 min |
| Apr 16, 5:53 PM EDT | Special Weather Statement | TBW | 52 min |
| Apr 19, 3:44 AM EDT | Beach Hazards Statement | TBW | 16 hr |
| Apr 19, 5:43 PM EDT | Special Weather Statement | TBW | 47 min |
| Apr 19, 6:34 PM EDT | Special Weather Statement | TBW | 56 min |
| Apr 20, 4:13 AM EDT | Beach Hazards Statement | TBW | 16 hr |
| Apr 20, 11:04 AM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 20, 4:25 PM EDT | Severe Thunderstorm Warning | TBW | 50 min |
| Apr 20, 5:13 PM EDT | Special Weather Statement | TBW | 47 min |
| Apr 20, 5:24 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Apr 23, 11:46 AM EDT | Areal Flood Advisory | TBW | 3 hr |
| Apr 27, 10:21 AM EDT | Rip Current Statement | TBW | 28 hr |
| May 4, 3:50 AM EDT | Red Flag Warning | TBW | 14 hr |
| May 11, 6:49 PM EDT | Special Weather Statement | TBW | 26 min |
| May 11, 7:26 PM EDT | Special Weather Statement | TBW | 34 min |
| May 11, 7:30 PM EDT | Severe Thunderstorm Warning | TBW | 32 min |
| May 11, 7:45 PM EDT | Areal Flood Advisory | TBW | 60 min |
| May 12, 12:49 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 12, 6:04 PM EDT | Special Weather Statement | TBW | 41 min |
| May 12, 6:29 PM EDT | Severe Thunderstorm Warning | TBW | 46 min |
| May 12, 6:50 PM EDT | Areal Flood Advisory | TBW | 115 min |
| May 17, 5:36 PM EDT | Special Weather Statement | TBW | 24 min |
| May 17, 6:11 PM EDT | Special Weather Statement | TBW | 49 min |
| May 17, 6:29 PM EDT | Areal Flood Advisory | TBW | 61 min |
| May 23, 5:13 PM EDT | Special Weather Statement | TBW | 32 min |
| May 24, 6:15 PM EDT | Areal Flood Advisory | TBW | 3 hr |
| May 26, 7:01 PM EDT | Areal Flood Advisory | TBW | 119 min |
| May 26, 8:52 PM EDT | Areal Flood Advisory | TBW | 3 hr |
| May 26, 10:05 PM EDT | Areal Flood Advisory | TBW | 115 min |
| May 31, 7:45 PM EDT | Special Weather Statement | TBW | 45 min |
| Jun 2, 4:25 PM EDT | Special Weather Statement | TBW | 50 min |
| Jun 10, 2:41 PM EDT | Areal Flood Advisory | TBW | 2 hr |
| Jun 10, 3:16 PM EDT | Areal Flood Warning | TBW | 119 min |
| Jun 10, 4:09 PM EDT | Areal Flood Advisory | TBW | 66 min |
| Jun 10, 5:15 PM EDT | Areal Flood Warning | TBW | 2 hr |
| Jun 11, 4:47 PM EDT | Special Weather Statement | TBW | 28 min |
| Jun 12, 3:58 PM EDT | Severe Thunderstorm Warning | TBW | 32 min |
| Jun 12, 4:22 PM EDT | Special Weather Statement | TBW | 38 min |
| Jun 15, 5:27 PM EDT | Special Weather Statement | TBW | 33 min |
| Jun 15, 5:48 PM EDT | Special Weather Statement | TBW | 42 min |
| Jun 15, 5:54 PM EDT | Severe Thunderstorm Warning | TBW | 36 min |
| Jun 16, 7:30 PM EDT | Special Weather Statement | TBW | 30 min |
| Jun 16, 8:02 PM EDT | Special Weather Statement | TBW | 43 min |
| Jun 18, 4:03 PM EDT | Special Weather Statement | TBW | 27 min |
| Jun 18, 4:20 PM EDT | Special Weather Statement | TBW | 40 min |
| Jun 18, 4:48 PM EDT | Special Weather Statement | TBW | 42 min |
| Jun 18, 5:13 PM EDT | Severe Thunderstorm Warning | TBW | 32 min |
| Jun 18, 5:24 PM EDT | Special Weather Statement | TBW | 51 min |
| Jun 18, 5:45 PM EDT | Areal Flood Advisory | TBW | 60 min |
| Jun 22, 11:20 PM EDT | Special Weather Statement | TBW | 40 min |
| Jun 22, 11:59 PM EDT | Special Weather Statement | TBW | 31 min |
| Jun 23, 7:06 PM EDT | Areal Flood Advisory | TBW | 114 min |
| Jun 24, 3:20 PM EDT | Special Weather Statement | TBW | 40 min |
| Jun 25, 12:41 AM EDT | Special Weather Statement | TBW | 49 min |
| Jun 28, 5:04 AM EDT | Beach Hazards Statement | TBW | 15 hr |
| Jun 29, 4:41 AM EDT | Beach Hazards Statement | TBW | 15 hr |
| Jun 29, 12:12 PM EDT | Special Weather Statement | TBW | 63 min |
| Jun 30, 4:13 AM EDT | Beach Hazards Statement | TBW | 18 hr |
| Jul 2, 1:55 PM EDT | Special Weather Statement | TBW | 35 min |
| Jul 2, 2:52 PM EDT | Special Weather Statement | TBW | 23 min |
| Jul 2, 3:27 PM EDT | Special Weather Statement | TBW | 33 min |
| Jul 3, 3:28 PM EDT | Special Weather Statement | TBW | 47 min |
| Jul 3, 3:31 PM EDT | Severe Thunderstorm Warning | TBW | 44 min |
| Jul 3, 4:01 PM EDT | Special Weather Statement | TBW | 44 min |
| Jul 4, 7:49 PM EDT | Special Weather Statement | TBW | 41 min |
| Jul 5, 4:47 PM EDT | Special Weather Statement | TBW | 28 min |
| Jul 7, 3:28 PM EDT | Special Weather Statement | TBW | 32 min |
| Jul 11, 4:15 PM EDT | Special Weather Statement | TBW | 45 min |
| Jul 11, 4:34 PM EDT | Severe Thunderstorm Warning | TBW | 41 min |
| Jul 14, 4:25 AM EDT | Beach Hazards Statement | TBW | 16 hr |
| Jul 15, 3:55 AM EDT | Rip Current Statement | TBW | 16 hr |
| Jul 16, 9:55 AM EDT | Special Weather Statement | TBW | 35 min |
| Jul 23, 3:28 PM EDT | Flood Watch | TBW | 7 days |
| Jul 24, 10:57 AM EDT | Areal Flood Advisory | TBW | 2 hr |
| Jul 24, 1:05 PM EDT | Areal Flood Advisory | TBW | 3 hr |
| Jul 24, 3:56 PM EDT | Areal Flood Advisory | TBW | 5 hr |
| Jul 24, 7:26 PM EDT | Severe Thunderstorm Warning | TBW | 49 min |
| Jul 25, 3:34 AM EDT | Rip Current Statement | TBW | 46 hr |
| Jul 25, 8:12 AM EDT | Areal Flood Advisory | TBW | 2 hr |
| Jul 25, 9:47 AM EDT | Areal Flood Warning | TBW | 6 hr |
| Jul 25, 3:43 PM EDT | Areal Flood Warning | TBW | 2 hr |
| Jul 26, 1:20 PM EDT | Areal Flood Advisory | TBW | 115 min |
| Jul 26, 4:18 PM EDT | River Flood Warning | TBW | 4 days |
| Jul 27, 3:57 AM EDT | Rip Current Statement | TBW | 16 hr |
| Jul 27, 7:43 PM EDT | Areal Flood Advisory | TBW | 3 hr |
| Jul 27, 8:43 PM EDT | Areal Flood Advisory | TBW | 2 hr |
| Jul 28, 3:37 AM EDT | Rip Current Statement | TBW | 16 hr |
| Jul 30, 6:52 PM EDT | Special Weather Statement | TBW | 23 min |
| Jul 30, 9:08 PM EDT | River Flood Warning | TBW | 7 days |
| Jul 31, 6:03 AM EDT | Rip Current Statement | TBW | 4 days |
| Jul 31, 6:07 PM EDT | Special Weather Statement | TBW | 23 min |
| Aug 1, 2:55 AM EDT | Flood Watch | TBW | 4 days |
| Aug 1, 11:45 AM EDT | Special Weather Statement | TBW | 45 min |
| Aug 1, 12:10 PM EDT | Areal Flood Advisory | TBW | 2 hr |
| Aug 1, 12:40 PM EDT | Special Weather Statement | TBW | 35 min |
| Aug 1, 1:07 PM EDT | Special Weather Statement | TBW | 38 min |
| Aug 1, 1:34 PM EDT | Areal Flood Warning | TBW | 3 hr |
| Aug 1, 1:43 PM EDT | Special Weather Statement | TBW | 47 min |
| Aug 1, 1:47 PM EDT | Special Weather Statement | TBW | 28 min |
| Aug 1, 2:25 PM EDT | Areal Flood Advisory | TBW | 2 hr |
| Aug 1, 2:59 PM EDT | Special Weather Statement | TBW | 46 min |
| Aug 1, 4:27 PM EDT | Areal Flood Warning | TBW | 3 hr |
| Aug 1, 7:44 PM EDT | Areal Flood Warning | TBW | 2 hr |
| Aug 1, 9:43 PM EDT | Areal Flood Warning | TBW | 12 hr |
| Aug 2, 9:29 AM EDT | Areal Flood Warning | TBW | 9 hr |
| Aug 2, 1:13 PM EDT | Special Weather Statement | TBW | 47 min |
| Aug 2, 4:00 PM EDT | River Flood Warning | TBW | 4 days |
| Aug 3, 4:39 AM EDT | Areal Flood Advisory | TBW | 2 hr |
| Aug 3, 6:10 AM EDT | Areal Flood Advisory | TBW | 3 hr |
| Aug 3, 7:37 AM EDT | Areal Flood Warning | TBW | 3 hr |
| Aug 3, 8:18 AM EDT | Areal Flood Warning | TBW | 3 hr |
| Aug 3, 10:34 AM EDT | Areal Flood Warning | TBW | 6 hr |
| Aug 3, 4:14 PM EDT | River Flood Warning | TBW | 62 hr |
| Aug 4, 7:37 AM EDT | River Flood Warning | TBW | 4 days |
| Aug 7, 4:38 AM EDT | Rip Current Statement | TBW | 39 hr |
| Aug 7, 12:57 PM EDT | Special Weather Statement | TBW | 48 min |
| Aug 8, 10:47 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 8, 11:20 AM EDT | Special Weather Statement | TBW | 40 min |
| Aug 8, 12:00 PM EDT | Special Weather Statement | TBW | 60 min |
| Aug 8, 12:18 PM EDT | Areal Flood Advisory | TBW | 4 hr |
| Aug 8, 12:59 PM EDT | Special Weather Statement | TBW | 61 min |
| Aug 8, 8:04 PM EDT | Rip Current Statement | TBW | 9 hr |
| Aug 9, 7:00 PM EDT | Special Weather Statement | TBW | 45 min |
| Aug 9, 7:41 PM EDT | Special Weather Statement | TBW | 34 min |
| Aug 9, 8:01 PM EDT | Special Weather Statement | TBW | 29 min |
| Aug 12, 2:08 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 12, 5:14 PM EDT | Flood Watch | TBW | 27 hr |
| Aug 13, 2:48 PM EDT | Areal Flood Advisory | TBW | 117 min |
| Aug 13, 3:33 PM EDT | Areal Flood Advisory | TBW | 3 hr |
| Aug 14, 5:22 PM EDT | Special Weather Statement | TBW | 23 min |
| Aug 14, 5:25 PM EDT | Special Weather Statement | TBW | 20 min |
| Aug 14, 6:22 PM EDT | Areal Flood Advisory | TBW | 53 min |
| Aug 14, 6:26 PM EDT | Special Weather Statement | TBW | 64 min |
| Aug 15, 3:19 PM EDT | Special Weather Statement | TBW | 26 min |
| Aug 15, 6:47 PM EDT | Areal Flood Advisory | TBW | 118 min |
| Aug 15, 9:29 PM EDT | River Flood Warning | TBW | 5 days |
| Aug 16, 4:33 PM EDT | Special Weather Statement | TBW | 42 min |
| Aug 16, 7:57 PM EDT | Special Weather Statement | TBW | 63 min |
| Aug 16, 8:33 PM EDT | Areal Flood Advisory | TBW | 57 min |
| Aug 17, 5:05 AM EDT | River Flood Warning | TBW | 33 hr |
| Aug 17, 5:05 AM EDT | River Flood Warning | TBW | 7 days |
| Aug 17, 8:03 PM EDT | Areal Flood Advisory | TBW | 117 min |
| Aug 18, 8:11 PM EDT | Special Weather Statement | TBW | 49 min |
| Aug 19, 8:26 AM EDT | River Flood Warning | TBW | 66 hr |
| Aug 19, 6:51 PM EDT | Special Weather Statement | TBW | 24 min |
| Aug 22, 5:22 PM EDT | Special Weather Statement | TBW | 38 min |
| Aug 23, 9:50 PM EDT | Special Weather Statement | TBW | 55 min |
| Aug 25, 10:30 PM EDT | River Flood Warning | TBW | 52 hr |
| Aug 26, 7:32 PM EDT | Special Weather Statement | TBW | 58 min |
| Aug 26, 7:43 PM EDT | Areal Flood Advisory | TBW | 2 hr |
| Aug 26, 8:10 PM EDT | Special Weather Statement | TBW | 50 min |
| Aug 28, 5:18 PM EDT | Areal Flood Advisory | TBW | 117 min |
| Aug 29, 3:45 PM EDT | Flood Watch | TBW | 52 hr |
| Aug 29, 4:04 PM EDT | Areal Flood Advisory | TBW | 116 min |
| Aug 30, 10:23 AM EDT | River Flood Warning | TBW | 8 days |
| Aug 30, 10:23 AM EDT | River Flood Warning | TBW | 8 days |
| Aug 30, 6:58 PM EDT | Areal Flood Advisory | TBW | 62 min |
| Aug 30, 8:01 PM EDT | Areal Flood Advisory | TBW | 59 min |
| Sep 4, 6:34 PM EDT | Special Weather Statement | TBW | 56 min |
| Sep 8, 3:50 AM EDT | Rip Current Statement | TBW | 16 hr |
| Sep 19, 4:46 PM EDT | Special Weather Statement | TBW | 44 min |
| Sep 19, 4:54 PM EDT | Areal Flood Advisory | TBW | 66 min |
| Sep 25, 5:24 PM EDT | Special Weather Statement | TBW | 36 min |
| Sep 25, 9:47 PM EDT | Areal Flood Advisory | TBW | 88 min |
| Sep 25, 10:34 PM EDT | Areal Flood Advisory | TBW | 56 min |
| Sep 26, 6:14 PM EDT | Areal Flood Advisory | TBW | 2 hr |
| Sep 27, 5:32 PM EDT | Special Weather Statement | TBW | 43 min |
| Sep 28, 4:12 AM EDT | Flood Watch | TBW | 31 hr |
| Sep 28, 10:50 AM EDT | Rip Current Statement | TBW | 33 hr |
| Sep 29, 9:48 PM EDT | River Flood Warning | TBW | 56 hr |
| Sep 30, 4:39 AM EDT | Rip Current Statement | TBW | 15 hr |
| Oct 2, 9:03 AM EDT | Rip Current Statement | TBW | 3 days |
| Oct 18, 3:41 AM EDT | Rip Current Statement | TBW | 11 hr |
| Oct 29, 4:27 AM EDT | Dense Fog Advisory | TBW | 6 hr |
| Nov 9, 5:15 AM EST | Rip Current Statement | TBW | 14 hr |
| Nov 10, 4:20 AM EST | Rip Current Statement | TBW | 17 hr |
| Nov 12, 3:57 AM EST | Dense Fog Advisory | TBW | 5 hr |
| Nov 21, 11:34 PM EST | Areal Flood Advisory | TBW | 86 min |
| Nov 26, 4:11 AM EST | Lake Wind Advisory | TBW | 15 hr |
| Dec 15, 2:28 AM EST | Dense Fog Advisory | TBW | 5 hr |
| Dec 18, 3:41 AM EST | Rip Current Statement | TBW | 17 hr |
| Dec 28, 1:21 PM EST | Rip Current Statement | TBW | 53 hr |
| Dec 29, 10:38 AM EST | High Surf Advisory | TBW | 32 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 9 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 5 |
| Special Weather Statement | 75 |
| Flooding | |
| Areal Flood Warning | 13 |
| River Flood Warning | 13 |
| Flood Watch | 5 |
| Areal Flood Advisory | 42 |
| Cold | |
| Freeze Warning | 1 |
| Hard Freeze Warning | 1 |
| Freeze Watch | 1 |
| Wind Chill Advisory | 3 |
| Wind and dust | |
| Lake Wind Advisory | 5 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 11 |
| Coast and beach | |
| High Surf Advisory | 6 |
| Beach Hazards Statement | 7 |
| Rip Current Statement | 28 |
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.