Alert archive / Florida / Hillsborough County
Weather alerts in Hillsborough County, Florida, 2016
213 weather alerts in 2016, 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 2016. Tap one for its archive.
- Alerts
- 213
- Warnings
- 48
- Watches
- 11
- Advisories
- 38
- Busiest month
- January35 alerts
- Busiest day
- August 31, 201610 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
3 of 5 tornado warnings covering Hillsborough County in 2016 had a tornado report inside them; 1 of 1 tornado reports fell inside a warning, on average 15 minutes after it went out.
Hillsborough County, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 5 | 3 | 40% | 1 | 100% | 15 min |
| Severe thunderstorm warnings | 17 | 6 | 65% | 7 | 100% | 13 min |
| Flash flood warnings | 1 | 1 | 0% | 1 | 100% | 28 min |
Each office's whole area, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Tampa Bay, FL: tornado warnings | 32 | 10 | 69% | 16 | 81% | 14 min |
| NWS Tampa Bay, FL: severe thunderstorm warnings | 69 | 23 | 67% | 67 | 58% | 15 min |
| NWS Tampa Bay, FL: flash flood warnings | 2 | 1 | 50% | 2 | 50% | 28 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 10, 3:25 AM EST | Rip Current Statement | TBW | 19 hr |
| Jan 11, 3:49 AM EST | Rip Current Statement | TBW | 17 hr |
| Jan 15, 3:59 AM EST | Rip Current Statement | TBW | 66 hr |
| Jan 15, 3:59 AM EST | High Surf Advisory | TBW | 17 hr |
| Jan 15, 4:00 AM EST | Lake Wind Advisory | TBW | 11 hr |
| Jan 15, 8:45 AM EST | Special Weather Statement | TBW | 75 min |
| Jan 15, 8:53 AM EST | Mesoscale Discussion | SPC | 2 hr |
| Jan 15, 10:01 AM EST | Special Weather Statement | TBW | 59 min |
| Jan 16, 2:30 PM EST | Lake Wind Advisory | TBW | 26 hr |
| Jan 16, 2:30 PM EST | Wind Advisory | TBW | 26 hr |
| Jan 16, 3:09 PM EST | Coastal Flood Advisory | TBW | 31 hr |
| Jan 16, 3:09 PM EST | High Surf Warning | TBW | 31 hr |
| Jan 17, 12:47 AM EST | Tornado Watch | SPC | 8 hr |
| Jan 17, 2:31 AM EST | Mesoscale Discussion | SPC | 89 min |
| Jan 17, 2:35 AM EST | Areal Flood Advisory | TBW | 3 hr |
| Jan 17, 3:14 AM EST | Severe Thunderstorm Warning | TBW | 31 min |
| Jan 17, 3:27 AM EST | Severe Thunderstorm Warning | TBW | 33 min |
| Jan 17, 3:45 AM EST | Tornado Warning | TBW | 12 min |
| Jan 17, 4:02 AM EST | Special Weather Statement | TBW | 43 min |
| Jan 17, 10:02 PM EST | Rip Current Statement | TBW | 12 hr |
| Jan 17, 10:02 PM EST | High Surf Warning | TBW | 12 hr |
| Jan 22, 4:06 AM EST | Coastal Flood Statement | TBW | 42 hr |
| Jan 22, 4:06 AM EST | Rip Current Statement | TBW | 60 hr |
| Jan 22, 4:06 AM EST | High Surf Advisory | TBW | 54 hr |
| Jan 22, 8:37 AM EST | Mesoscale Discussion | SPC | 2 hr |
| Jan 22, 9:49 AM EST | Severe Thunderstorm Watch | SPC | 5 hr |
| Jan 22, 11:05 AM EST | Special Weather Statement | TBW | 55 min |
| Jan 22, 11:15 AM EST | Severe Thunderstorm Warning | TBW | 15 min |
| Jan 22, 1:16 PM EST | Mesoscale Discussion | SPC | 119 min |
| Jan 22, 4:07 PM EST | Lake Wind Advisory | TBW | 27 hr |
| Jan 23, 2:59 PM EST | Wind Chill Advisory | TBW | 18 hr |
| Jan 24, 4:00 PM EST | Frost Advisory | TBW | 17 hr |
| Jan 27, 4:47 AM EST | Special Weather Statement | TBW | 28 min |
| Jan 28, 3:45 AM EST | Dense Fog Advisory | TBW | 4 hr |
| Jan 28, 8:14 PM EST | Rip Current Statement | TBW | 26 hr |
| Feb 2, 1:33 AM EST | Dense Fog Advisory | TBW | 8 hr |
| Feb 4, 3:14 AM EST | Rip Current Statement | TBW | 40 hr |
| Feb 6, 7:22 PM EST | Rip Current Statement | TBW | 5 days |
| Feb 8, 4:47 AM EST | High Surf Advisory | TBW | 59 hr |
| Feb 9, 4:12 AM EST | Lake Wind Advisory | TBW | 14 hr |
| Feb 10, 2:43 PM EST | Frost Advisory | TBW | 18 hr |
| Feb 16, 1:54 AM EST | Mesoscale Discussion | SPC | 2 hr |
| Feb 16, 2:19 AM EST | Tornado Watch | SPC | 5 hr |
| Feb 16, 2:21 AM EST | Special Weather Statement | TBW | 54 min |
| Feb 16, 2:34 AM EST | Severe Thunderstorm Warning | TBW | 26 min |
| Feb 24, 3:58 AM EST | Tornado Watch | SPC | 6 hr |
| Feb 24, 4:01 AM EST | Rip Current Statement | TBW | 63 hr |
| Feb 24, 4:01 AM EST | High Surf Advisory | TBW | 39 hr |
| Feb 24, 8:36 AM EST | Mesoscale Discussion | SPC | 84 min |
| Feb 24, 8:47 AM EST | Special Weather Statement | TBW | 43 min |
| Feb 24, 9:32 AM EST | Special Weather Statement | TBW | 43 min |
| Feb 24, 11:42 AM EST | Mesoscale Discussion | SPC | 63 min |
| Feb 24, 12:02 PM EST | Tornado Warning | TBW | 28 min |
| Feb 24, 12:30 PM EST | Tornado Warning | TBW | 30 min |
| Mar 5, 8:18 AM EST | Rip Current Statement | TBW | 38 hr |
| Mar 10, 3:41 AM EST | Rip Current Statement | TBW | 15 hr |
| Mar 19, 10:37 AM EDT | Mesoscale Discussion | SPC | 113 min |
| Mar 20, 4:37 AM EDT | Rip Current Statement | TBW | 39 hr |
| Mar 21, 4:19 AM EDT | High Surf Advisory | TBW | 16 hr |
| Mar 21, 4:24 AM EDT | Red Flag Warning | TBW | 14 hr |
| Mar 25, 12:35 AM EDT | Special Weather Statement | TBW | 40 min |
| Mar 25, 1:40 PM EDT | Special Weather Statement | TBW | 35 min |
| Mar 26, 2:52 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 29, 5:51 AM EDT | Dense Fog Advisory | TBW | 4 hr |
| Apr 2, 4:13 AM EDT | Rip Current Statement | TBW | 40 hr |
| Apr 2, 11:44 AM EDT | Special Weather Statement | TBW | 46 min |
| Apr 2, 11:56 AM EDT | Tornado Warning | TBW | 16 min |
| Apr 2, 12:17 PM EDT | Severe Thunderstorm Warning | TBW | 43 min |
| Apr 7, 7:00 AM EDT | Special Weather Statement | TBW | 45 min |
| Apr 7, 7:25 AM EDT | Tornado Warning | TBW | 19 min |
| Apr 9, 3:51 AM EDT | Red Flag Warning | TBW | 16 hr |
| Apr 9, 3:51 AM EDT | Rip Current Statement | TBW | 16 hr |
| May 4, 4:29 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 4, 5:58 AM EDT | Severe Thunderstorm Warning | TBW | 47 min |
| May 4, 6:28 AM EDT | Severe Thunderstorm Warning | TBW | 47 min |
| May 4, 7:14 AM EDT | Special Weather Statement | TBW | 46 min |
| May 4, 8:04 AM EDT | Special Weather Statement | TBW | 56 min |
| May 5, 5:48 AM EDT | Lake Wind Advisory | TBW | 13 hr |
| May 6, 4:25 AM EDT | Rip Current Statement | TBW | 16 hr |
| May 17, 12:06 PM EDT | Mesoscale Discussion | SPC | 114 min |
| May 17, 1:27 PM EDT | Special Weather Statement | TBW | 48 min |
| May 17, 2:12 PM EDT | Special Weather Statement | TBW | 48 min |
| May 17, 2:59 PM EDT | Special Weather Statement | TBW | 46 min |
| May 17, 6:35 PM EDT | Special Weather Statement | TBW | 55 min |
| May 20, 11:40 AM EDT | Special Weather Statement | TBW | 50 min |
| May 20, 11:25 PM EDT | Special Weather Statement | TBW | 50 min |
| May 28, 6:59 PM EDT | Special Weather Statement | TBW | 46 min |
| May 31, 5:44 PM EDT | Special Weather Statement | TBW | 46 min |
| Jun 1, 9:52 PM EDT | Special Weather Statement | TBW | 38 min |
| Jun 2, 9:35 PM EDT | Special Weather Statement | TBW | 40 min |
| Jun 3, 5:35 PM EDT | Special Weather Statement | TBW | 25 min |
| Jun 5, 11:00 AM EDT | Tropical Storm Warning | NHC | 51 hr |
| Jun 5, 11:43 AM EDT | Tropical Storm Warning | TBW | 42 hr |
| Jun 5, 1:21 PM EDT | Special Weather Statement | TBW | 54 min |
| Jun 5, 2:15 PM EDT | Special Weather Statement | TBW | 60 min |
| Jun 5, 3:06 PM EDT | Special Weather Statement | TBW | 39 min |
| Jun 5, 4:17 PM EDT | Flood Watch | TBW | 3 days |
| Jun 5, 4:30 PM EDT | River Flood Warning | TBW | 34 hr |
| Jun 6, 5:00 AM EDT | Rip Current Statement | TBW | 35 hr |
| Jun 6, 5:00 AM EDT | High Surf Advisory | TBW | 35 hr |
| Jun 6, 10:38 AM EDT | River Flood Warning | TBW | 41 hr |
| Jun 6, 10:38 AM EDT | River Flood Warning | TBW | 3 days |
| Jun 6, 11:15 AM EDT | Special Weather Statement | TBW | 30 min |
| Jun 6, 4:38 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 6, 8:07 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 7, 3:24 AM EDT | Areal Flood Advisory | TBW | 4 hr |
| Jun 7, 5:57 AM EDT | Flash Flood Warning | TBW | 3 hr |
| Jun 7, 8:02 AM EDT | Areal Flood Advisory | TBW | 118 min |
| Jun 7, 10:06 AM EDT | Areal Flood Advisory | TBW | 114 min |
| Jun 7, 3:14 PM EDT | River Flood Warning | TBW | 5 days |
| Jun 7, 3:14 PM EDT | River Flood Warning | TBW | 43 hr |
| Jun 9, 5:27 PM EDT | Areal Flood Advisory | TBW | 93 min |
| Jun 9, 9:32 PM EDT | River Flood Warning | TBW | 46 hr |
| Jun 13, 4:12 PM EDT | Special Weather Statement | TBW | 33 min |
| Jun 16, 5:31 PM EDT | Rip Current Statement | TBW | 50 hr |
| Jun 18, 7:21 PM EDT | Special Weather Statement | TBW | 24 min |
| Jun 26, 1:22 PM EDT | Special Weather Statement | TBW | 53 min |
| Jun 26, 2:12 PM EDT | Special Weather Statement | TBW | 63 min |
| Jun 26, 2:20 PM EDT | Severe Thunderstorm Warning | TBW | 40 min |
| Jun 26, 2:34 PM EDT | Areal Flood Advisory | TBW | 86 min |
| Jun 26, 3:05 PM EDT | Severe Thunderstorm Warning | TBW | 55 min |
| Jul 8, 1:39 PM EDT | Special Weather Statement | TBW | 36 min |
| Jul 10, 3:11 PM EDT | Special Weather Statement | TBW | 49 min |
| Jul 11, 6:00 PM EDT | Special Weather Statement | TBW | 30 min |
| Jul 11, 6:51 PM EDT | Special Weather Statement | TBW | 24 min |
| Jul 11, 7:22 PM EDT | Special Weather Statement | TBW | 38 min |
| Jul 11, 7:46 PM EDT | Severe Thunderstorm Warning | TBW | 29 min |
| Jul 11, 7:52 PM EDT | Severe Thunderstorm Warning | TBW | 19 min |
| Jul 11, 8:09 PM EDT | Special Weather Statement | TBW | 36 min |
| Jul 12, 8:40 PM EDT | Severe Thunderstorm Warning | TBW | 35 min |
| Jul 13, 5:57 PM EDT | Severe Thunderstorm Warning | TBW | 19 min |
| Jul 13, 6:28 PM EDT | Special Weather Statement | TBW | 47 min |
| Jul 15, 8:22 PM EDT | Special Weather Statement | TBW | 38 min |
| Jul 15, 8:57 PM EDT | Special Weather Statement | TBW | 33 min |
| Jul 17, 6:49 PM EDT | Special Weather Statement | TBW | 26 min |
| Jul 17, 7:00 PM EDT | Special Weather Statement | TBW | 30 min |
| Jul 17, 7:27 PM EDT | Special Weather Statement | TBW | 33 min |
| Jul 17, 7:41 PM EDT | Special Weather Statement | TBW | 34 min |
| Jul 17, 8:43 PM EDT | Special Weather Statement | TBW | 47 min |
| Jul 18, 2:51 PM EDT | Special Weather Statement | TBW | 54 min |
| Jul 19, 2:58 PM EDT | Severe Thunderstorm Warning | TBW | 17 min |
| Jul 22, 3:33 PM EDT | Special Weather Statement | TBW | 57 min |
| Jul 24, 11:39 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 24, 3:43 PM EDT | Special Weather Statement | TBW | 47 min |
| Jul 24, 4:30 PM EDT | Special Weather Statement | TBW | 45 min |
| Jul 24, 5:09 PM EDT | Severe Thunderstorm Warning | TBW | 28 min |
| Jul 31, 8:46 PM EDT | Special Weather Statement | TBW | 44 min |
| Aug 2, 6:26 PM EDT | Special Weather Statement | TBW | 34 min |
| Aug 2, 6:49 PM EDT | Special Weather Statement | TBW | 41 min |
| Aug 7, 9:22 AM EDT | Special Weather Statement | TBW | 83 min |
| Aug 7, 11:23 AM EDT | Special Weather Statement | TBW | 52 min |
| Aug 8, 3:31 AM EDT | Rip Current Statement | TBW | 16 hr |
| Aug 9, 11:08 AM EDT | Areal Flood Advisory | TBW | 82 min |
| Aug 11, 9:36 PM EDT | River Flood Warning | TBW | 4 days |
| Aug 12, 10:44 AM EDT | River Flood Warning | TBW | 59 hr |
| Aug 12, 3:02 PM EDT | Special Weather Statement | TBW | 43 min |
| Aug 16, 3:06 PM EDT | Special Weather Statement | TBW | 39 min |
| Aug 19, 3:57 PM EDT | Special Weather Statement | TBW | 48 min |
| Aug 23, 5:40 PM EDT | Special Weather Statement | TBW | 50 min |
| Aug 23, 6:30 PM EDT | Special Weather Statement | TBW | 45 min |
| Aug 23, 7:10 PM EDT | Special Weather Statement | TBW | 50 min |
| Aug 27, 3:41 PM EDT | Special Weather Statement | TBW | 34 min |
| Aug 27, 4:40 PM EDT | Special Weather Statement | TBW | 65 min |
| Aug 30, 10:02 PM EDT | River Flood Warning | TBW | 8 days |
| Aug 30, 10:02 PM EDT | River Flood Warning | TBW | 7 days |
| Aug 31, 3:15 AM EDT | Flood Watch | TBW | 56 hr |
| Aug 31, 5:00 AM EDT | Tropical Storm Warning | NHC | 10 days |
| Aug 31, 5:59 AM EDT | Tropical Storm Warning | TBW | 54 hr |
| Aug 31, 11:49 AM EDT | River Flood Warning | TBW | 35 hr |
| Aug 31, 2:13 PM EDT | Areal Flood Advisory | TBW | 3 hr |
| Aug 31, 5:17 PM EDT | Areal Flood Advisory | TBW | 3 hr |
| Aug 31, 7:53 PM EDT | Rip Current Statement | TBW | 48 hr |
| Aug 31, 7:53 PM EDT | High Surf Advisory | TBW | 48 hr |
| Sep 1, 5:42 AM EDT | Coastal Flood Advisory | TBW | 8 hr |
| Sep 1, 9:54 AM EDT | River Flood Warning | TBW | 24 hr |
| Sep 1, 11:39 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 1, 1:08 PM EDT | Special Weather Statement | TBW | 52 min |
| Sep 1, 1:50 PM EDT | Special Weather Statement | TBW | 55 min |
| Sep 1, 2:12 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 1, 2:50 PM EDT | Tornado Watch | SPC | 8 hr |
| Sep 1, 6:44 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 1, 10:47 PM EDT | Tornado Watch | SPC | 9 hr |
| Sep 3, 10:17 AM EDT | Areal Flood Advisory | TBW | 58 min |
| Sep 11, 7:47 PM EDT | Special Weather Statement | TBW | 28 min |
| Sep 24, 5:56 PM EDT | Special Weather Statement | TBW | 34 min |
| Sep 25, 6:53 PM EDT | Special Weather Statement | TBW | 37 min |
| Sep 25, 7:33 PM EDT | Special Weather Statement | TBW | 27 min |
| Sep 25, 7:40 PM EDT | Areal Flood Advisory | TBW | 95 min |
| Sep 26, 3:12 PM EDT | Special Weather Statement | TBW | 48 min |
| Sep 26, 3:44 PM EDT | Severe Thunderstorm Warning | TBW | 31 min |
| Sep 26, 4:38 PM EDT | Severe Thunderstorm Warning | TBW | 37 min |
| Oct 1, 8:59 PM EDT | Areal Flood Advisory | TBW | 91 min |
| Oct 2, 6:39 PM EDT | Special Weather Statement | TBW | 36 min |
| Oct 2, 7:22 PM EDT | Special Weather Statement | TBW | 38 min |
| Oct 2, 8:05 PM EDT | Areal Flood Advisory | TBW | 85 min |
| Oct 2, 9:21 PM EDT | River Flood Warning | TBW | 57 hr |
| Oct 3, 3:16 AM EDT | River Flood Warning | TBW | 64 hr |
| Oct 4, 11:00 AM EDT | Tropical Storm Watch | NHC | 3 days |
| Oct 5, 12:24 AM EDT | Tropical Storm Watch | TBW | 60 hr |
| Oct 5, 6:45 AM EDT | River Flood Warning | TBW | 19 hr |
| Oct 6, 8:48 PM EDT | River Flood Warning | TBW | 68 hr |
| Oct 7, 12:32 PM EDT | Rip Current Statement | TBW | 31 hr |
| Oct 22, 2:46 AM EDT | Rip Current Statement | TBW | 17 hr |
| Nov 20, 3:26 AM EST | Rip Current Statement | TBW | 16 hr |
| Nov 26, 3:55 AM EST | Rip Current Statement | TBW | 15 hr |
| Dec 6, 2:37 AM EST | Rip Current Statement | TBW | 16 hr |
| Dec 7, 1:55 AM EST | Dense Fog Advisory | TBW | 7 hr |
| Dec 12, 10:18 PM EST | Dense Fog Advisory | TBW | 13 hr |
| Dec 13, 6:46 PM EST | Dense Fog Advisory | TBW | 15 hr |
| Dec 29, 2:21 AM EST | Rip Current Statement | TBW | 41 hr |
| Dec 29, 2:21 AM EST | High Surf Advisory | TBW | 41 hr |
| Dec 29, 5:43 PM EST | Fire Weather Watch | TBW | 8 hr |
| Dec 30, 2:10 AM EST | Red Flag Warning | TBW | 15 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 | 17 |
| Tornado Warning | 5 |
| Severe Thunderstorm Watch | 1 |
| Tornado Watch | 5 |
| Mesoscale Discussion | 17 |
| Special Weather Statement | 73 |
| Flooding | |
| Flash Flood Warning | 1 |
| River Flood Warning | 16 |
| Flood Watch | 2 |
| Areal Flood Advisory | 13 |
| Cold | |
| Frost Advisory | 2 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| Lake Wind Advisory | 5 |
| Wind Advisory | 1 |
| Fire | |
| Red Flag Warning | 3 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 6 |
| Tropical | |
| Tropical Storm Warning | 4 |
| Tropical Storm Watch | 2 |
| Coast and beach | |
| High Surf Warning | 2 |
| Coastal Flood Advisory | 2 |
| High Surf Advisory | 8 |
| Coastal Flood Statement | 1 |
| Rip Current Statement | 25 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20152017
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.