Alert archive / Florida / Broward County
Weather alerts in Broward County, Florida, 2017
212 weather alerts in 2017, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Broward County and its neighbors
Each county as a circle sized by its count in 2017. Tap one for its archive.
- Alerts
- 212
- Warnings
- 37
- Watches
- 13
- Advisories
- 46
- Busiest month
- September39 alerts
- Busiest day
- June 6, 201715 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
4 of 15 tornado warnings covering Broward County in 2017 had a tornado report inside them; 4 of 5 tornado reports fell inside a warning, on average 6 minutes after it went out.
Broward County, 2017
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 15 | 4 | 73% | 5 | 80% | 6 min |
| Severe thunderstorm warnings | 8 | 3 | 63% | 8 | 50% | 12 min |
| Flash flood warnings | 2 | 1 | 50% | 4 | 100% | 57 min |
Each office's whole area, 2017
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Miami, FL: tornado warnings | 46 | 10 | 78% | 19 | 74% | 8 min |
| NWS Miami, FL: severe thunderstorm warnings | 27 | 7 | 74% | 26 | 42% | 12 min |
| NWS Miami, FL: flash flood warnings | 7 | 3 | 57% | 9 | 78% | 45 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 1, 12:03 PM EST | Rip Current Statement | MFL | 31 hr |
| Jan 3, 12:23 PM EST | Special Weather Statement | MFL | 37 min |
| Jan 4, 1:06 AM EST | Dense Fog Advisory | MFL | 8 hr |
| Jan 6, 2:49 AM EST | Dense Fog Advisory | MFL | 8 hr |
| Jan 7, 5:37 AM EST | Rip Current Statement | MFL | 10 days |
| Jan 7, 11:51 AM EST | Special Weather Statement | MFL | 39 min |
| Jan 7, 1:33 PM EST | Special Weather Statement | MFL | 57 min |
| Jan 22, 3:24 AM EST | Wind Advisory | MFL | 40 hr |
| Jan 22, 8:21 PM EST | Mesoscale Discussion | SPC | 114 min |
| Jan 22, 9:57 PM EST | Tornado Watch | SPC | 8 hr |
| Jan 23, 12:18 AM EST | Mesoscale Discussion | SPC | 117 min |
| Jan 23, 12:54 AM EST | Special Weather Statement | MFL | 66 min |
| Jan 23, 1:56 AM EST | Special Weather Statement | MFL | 64 min |
| Jan 23, 2:22 AM EST | Mesoscale Discussion | SPC | 83 min |
| Jan 23, 2:23 AM EST | Wind Advisory | MFL | 17 hr |
| Jan 23, 2:29 AM EST | Severe Thunderstorm Warning | MFL | 31 min |
| Jan 23, 2:48 AM EST | Special Weather Statement | MFL | 87 min |
| Jan 23, 2:54 AM EST | Severe Thunderstorm Warning | MFL | 36 min |
| Jan 23, 3:35 AM EST | Severe Thunderstorm Warning | MFL | 40 min |
| Feb 6, 4:24 AM EST | Dense Fog Advisory | MFL | 5 hr |
| Feb 9, 4:45 AM EST | Dense Fog Advisory | MFL | 4 hr |
| Feb 9, 3:17 PM EST | Special Weather Statement | MFL | 43 min |
| Feb 10, 3:25 PM EST | Rip Current Statement | MFL | 28 hr |
| Feb 22, 4:16 AM EST | Rip Current Statement | MFL | 13 hr |
| Feb 22, 1:37 PM EST | Areal Flood Advisory | MFL | 4 hr |
| Feb 25, 3:25 AM EST | Dense Fog Advisory | MFL | 6 hr |
| Feb 26, 3:11 AM EST | Rip Current Statement | MFL | 3 days |
| Mar 3, 4:00 AM EST | Rip Current Statement | MFL | 6 days |
| Mar 6, 1:36 PM EST | Red Flag Warning | MFL | 10 hr |
| Mar 14, 1:01 AM EDT | Special Weather Statement | MFL | 44 min |
| Mar 14, 1:27 AM EDT | Tornado Warning | MFL | 33 min |
| Mar 23, 3:56 AM EDT | Rip Current Statement | MFL | 4 days |
| Mar 23, 1:47 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 23, 4:11 PM EDT | Severe Thunderstorm Warning | MFL | |
| Mar 23, 6:25 PM EDT | Special Weather Statement | MFL | 35 min |
| Apr 5, 4:20 PM EDT | Fire Weather Watch | MFL | 36 hr |
| Apr 6, 4:18 PM EDT | Red Flag Warning | MFL | 4 days |
| Apr 7, 10:52 AM EDT | Dense Smoke Advisory | MFL | 24 hr |
| Apr 9, 4:32 AM EDT | Rip Current Statement | MFL | 9 days |
| Apr 12, 2:46 PM EDT | Special Weather Statement | MFL | 29 min |
| Apr 18, 2:46 AM EDT | Rip Current Statement | MFL | 65 hr |
| Apr 21, 3:45 AM EDT | Rip Current Statement | MFL | 16 hr |
| Apr 22, 3:50 AM EDT | Rip Current Statement | MFL | 35 hr |
| Apr 23, 9:04 AM EDT | Special Weather Statement | MFL | 41 min |
| Apr 23, 10:12 AM EDT | Areal Flood Advisory | MFL | 3 hr |
| Apr 23, 10:49 AM EDT | Areal Flood Advisory | MFL | 116 min |
| Apr 29, 4:09 AM EDT | Rip Current Statement | MFL | 3 days |
| May 2, 12:48 PM EDT | Rip Current Statement | MFL | 19 hr |
| May 2, 6:37 PM EDT | Special Weather Statement | MFL | 38 min |
| May 2, 7:03 PM EDT | Special Weather Statement | MFL | 42 min |
| May 9, 3:35 AM EDT | Red Flag Warning | MFL | 4 days |
| May 11, 7:33 PM EDT | Fire Weather Watch | MFL | 14 hr |
| May 17, 3:32 AM EDT | Rip Current Statement | MFL | 40 hr |
| May 19, 3:28 AM EDT | Rip Current Statement | MFL | 65 hr |
| May 24, 12:54 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 24, 2:49 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 24, 4:55 PM EDT | Special Weather Statement | MFL | 80 min |
| May 24, 6:16 PM EDT | Special Weather Statement | MFL | 44 min |
| May 24, 7:12 PM EDT | Special Weather Statement | MFL | 93 min |
| May 24, 7:52 PM EDT | Severe Thunderstorm Warning | MFL | 23 min |
| May 24, 8:18 PM EDT | Severe Thunderstorm Warning | MFL | 14 min |
| May 25, 8:23 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 25, 2:42 PM EDT | Special Weather Statement | MFL | 33 min |
| May 27, 7:50 AM EDT | Special Weather Statement | MFL | 85 min |
| May 30, 11:00 AM EDT | Special Weather Statement | MFL | 45 min |
| Jun 3, 12:16 PM EDT | Areal Flood Advisory | MFL | 3 hr |
| Jun 5, 2:36 PM EDT | Special Weather Statement | MFL | 24 min |
| Jun 5, 6:33 PM EDT | Special Weather Statement | MFL | 42 min |
| Jun 5, 7:01 PM EDT | Tornado Warning | MFL | 29 min |
| Jun 5, 7:06 PM EDT | Areal Flood Advisory | MFL | 3 hr |
| Jun 5, 7:29 PM EDT | Severe Thunderstorm Warning | MFL | 31 min |
| Jun 5, 8:06 PM EDT | Special Weather Statement | MFL | 39 min |
| Jun 5, 9:36 PM EDT | Special Weather Statement | MFL | 24 min |
| Jun 6, 4:01 AM EDT | Tornado Warning | MFL | 29 min |
| Jun 6, 4:59 AM EDT | Tornado Warning | MFL | 20 min |
| Jun 6, 6:24 AM EDT | Severe Thunderstorm Warning | MFL | 51 min |
| Jun 6, 7:13 AM EDT | Special Weather Statement | MFL | 47 min |
| Jun 6, 11:43 AM EDT | Areal Flood Advisory | MFL | 3 hr |
| Jun 6, 2:45 PM EDT | Areal Flood Advisory | MFL | 3 hr |
| Jun 6, 2:50 PM EDT | Special Weather Statement | MFL | 40 min |
| Jun 6, 3:39 PM EDT | Flood Watch | MFL | 34 hr |
| Jun 6, 4:21 PM EDT | Special Weather Statement | MFL | 24 min |
| Jun 6, 4:40 PM EDT | Special Weather Statement | MFL | 35 min |
| Jun 6, 4:55 PM EDT | Areal Flood Advisory | MFL | 4 hr |
| Jun 6, 7:36 PM EDT | Special Weather Statement | MFL | 39 min |
| Jun 6, 7:46 PM EDT | Areal Flood Warning | MFL | 6 hr |
| Jun 6, 10:32 PM EDT | Special Weather Statement | MFL | 43 min |
| Jun 7, 1:47 AM EDT | Flash Flood Warning | MFL | 3 hr |
| Jun 7, 4:51 AM EDT | Areal Flood Warning | MFL | 6 hr |
| Jun 7, 5:59 AM EDT | Areal Flood Advisory | MFL | 3 hr |
| Jun 7, 10:35 AM EDT | Areal Flood Advisory | MFL | 3 hr |
| Jun 7, 4:42 PM EDT | Special Weather Statement | MFL | 48 min |
| Jun 7, 5:23 PM EDT | Areal Flood Warning | MFL | 6 hr |
| Jun 7, 5:38 PM EDT | Areal Flood Advisory | MFL | 6 hr |
| Jun 7, 11:24 PM EDT | Areal Flood Advisory | MFL | 3 hr |
| Jun 9, 2:42 PM EDT | Special Weather Statement | MFL | 33 min |
| Jun 9, 2:56 PM EDT | Areal Flood Advisory | MFL | 64 min |
| Jun 9, 3:07 PM EDT | Special Weather Statement | MFL | 38 min |
| Jun 9, 8:21 PM EDT | Special Weather Statement | MFL | 39 min |
| Jun 10, 10:41 AM EDT | Areal Flood Advisory | MFL | 2 hr |
| Jun 19, 4:31 AM EDT | Rip Current Statement | MFL | 5 days |
| Jun 26, 6:44 PM EDT | Special Weather Statement | MFL | 46 min |
| Jun 27, 12:04 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Jul 1, 11:02 AM EDT | Special Weather Statement | MFL | 43 min |
| Jul 1, 5:15 PM EDT | Special Weather Statement | MFL | 45 min |
| Jul 12, 5:34 PM EDT | Special Weather Statement | MFL | 41 min |
| Jul 12, 7:55 PM EDT | Areal Flood Advisory | MFL | 5 hr |
| Jul 13, 7:51 AM EDT | Rip Current Statement | MFL | 20 hr |
| Jul 16, 9:55 AM EDT | Special Weather Statement | MFL | 35 min |
| Jul 16, 10:07 AM EDT | Areal Flood Advisory | MFL | 113 min |
| Jul 17, 1:20 PM EDT | Special Weather Statement | MFL | 25 min |
| Jul 17, 1:48 PM EDT | Special Weather Statement | MFL | 27 min |
| Jul 17, 2:48 PM EDT | Special Weather Statement | MFL | 42 min |
| Jul 20, 12:05 PM EDT | Special Weather Statement | MFL | 40 min |
| Jul 20, 4:26 PM EDT | Special Weather Statement | MFL | 49 min |
| Jul 21, 11:41 AM EDT | Special Weather Statement | MFL | 49 min |
| Jul 21, 12:22 PM EDT | Special Weather Statement | MFL | 38 min |
| Jul 21, 12:54 PM EDT | Areal Flood Advisory | MFL | 3 hr |
| Jul 26, 3:58 AM EDT | Heat Advisory | MFL | 12 hr |
| Jul 27, 7:23 PM EDT | Special Weather Statement | MFL | 37 min |
| Jul 27, 8:17 PM EDT | Special Weather Statement | MFL | 43 min |
| Jul 28, 1:39 PM EDT | Special Weather Statement | MFL | 51 min |
| Jul 28, 5:39 PM EDT | Special Weather Statement | MFL | 36 min |
| Jul 30, 5:57 PM EDT | Special Weather Statement | MFL | 48 min |
| Jul 30, 6:33 PM EDT | Special Weather Statement | MFL | 27 min |
| Jul 30, 6:53 PM EDT | Special Weather Statement | MFL | 52 min |
| Jul 31, 10:16 PM EDT | Special Weather Statement | MFL | 59 min |
| Aug 3, 3:59 AM EDT | Heat Advisory | MFL | 15 hr |
| Aug 7, 3:19 AM EDT | Rip Current Statement | MFL | 17 hr |
| Aug 8, 3:45 AM EDT | Rip Current Statement | MFL | 16 hr |
| Aug 9, 3:36 AM EDT | Rip Current Statement | MFL | 16 hr |
| Aug 10, 8:59 AM EDT | Areal Flood Advisory | MFL | 3 hr |
| Aug 11, 7:58 PM EDT | Areal Flood Advisory | MFL | 2 hr |
| Aug 14, 4:48 PM EDT | Areal Flood Advisory | MFL | 117 min |
| Aug 24, 4:24 AM EDT | Flood Watch | MFL | 4 days |
| Aug 24, 8:31 AM EDT | Areal Flood Advisory | MFL | 3 hr |
| Aug 25, 12:35 PM EDT | Areal Flood Advisory | MFL | 3 hr |
| Aug 26, 10:55 AM EDT | Special Weather Statement | MFL | 50 min |
| Aug 27, 4:16 PM EDT | Areal Flood Advisory | MFL | 3 hr |
| Aug 28, 4:14 PM EDT | Areal Flood Advisory | MFL | 3 hr |
| Aug 28, 4:36 PM EDT | Special Weather Statement | MFL | 39 min |
| Aug 28, 5:07 PM EDT | Flash Flood Warning | MFL | 4 hr |
| Sep 5, 4:28 PM EDT | Special Weather Statement | MFL | 47 min |
| Sep 6, 3:20 PM EDT | Special Weather Statement | MFL | 40 min |
| Sep 7, 10:56 AM EDT | Hurricane Watch | MFL | 12 hr |
| Sep 7, 10:56 AM EDT | Storm Surge Watch | MFL | 12 hr |
| Sep 7, 5:49 PM EDT | Special Weather Statement | MFL | 41 min |
| Sep 7, 11:01 PM EDT | Hurricane Warning | MFL | 3 days |
| Sep 7, 11:01 PM EDT | Storm Surge Warning | MFL | 4 days |
| Sep 8, 5:38 PM EDT | Flood Watch | MFL | 60 hr |
| Sep 9, 8:48 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 9, 12:09 PM EDT | Tornado Watch | SPC | 12 hr |
| Sep 9, 4:12 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 9, 4:46 PM EDT | Tornado Warning | MFL | 29 min |
| Sep 9, 6:22 PM EDT | Tornado Warning | MFL | 38 min |
| Sep 9, 6:30 PM EDT | Tornado Warning | MFL | 30 min |
| Sep 9, 6:59 PM EDT | Tornado Warning | MFL | 31 min |
| Sep 9, 7:27 PM EDT | Tornado Warning | MFL | 33 min |
| Sep 9, 7:52 PM EDT | Tornado Warning | MFL | 23 min |
| Sep 9, 10:26 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Sep 9, 11:45 PM EDT | Tornado Watch | SPC | 12 hr |
| Sep 10, 2:23 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 10, 3:46 AM EDT | Tornado Warning | MFL | 29 min |
| Sep 10, 4:44 AM EDT | Areal Flood Warning | MFL | 12 hr |
| Sep 10, 6:05 AM EDT | Mesoscale Discussion | SPC | 115 min |
| Sep 10, 7:36 AM EDT | Tornado Warning | MFL | 24 min |
| Sep 10, 8:29 AM EDT | Areal Flood Warning | MFL | 12 hr |
| Sep 10, 8:32 AM EDT | Mesoscale Discussion | SPC | 118 min |
| Sep 10, 8:37 AM EDT | Areal Flood Warning | MFL | 12 hr |
| Sep 10, 1:49 PM EDT | Tornado Warning | MFL | 26 min |
| Sep 10, 2:24 PM EDT | Tornado Warning | MFL | 21 min |
| Sep 10, 3:53 PM EDT | Tornado Warning | MFL | 37 min |
| Sep 10, 11:16 PM EDT | Tropical Storm Warning | MFL | 12 hr |
| Sep 11, 7:53 AM EDT | Coastal Flood Advisory | MFL | 9 hr |
| Sep 11, 11:31 AM EDT | Rip Current Statement | MFL | 20 hr |
| Sep 13, 4:36 PM EDT | Areal Flood Advisory | MFL | 114 min |
| Sep 16, 3:34 AM EDT | Rip Current Statement | MFL | 40 hr |
| Sep 18, 10:23 AM EDT | Rip Current Statement | MFL | 10 hr |
| Sep 19, 4:09 AM EDT | Rip Current Statement | MFL | 40 hr |
| Sep 21, 3:39 AM EDT | Rip Current Statement | MFL | 8 days |
| Sep 26, 7:13 AM EDT | Areal Flood Advisory | MFL | 2 hr |
| Oct 2, 3:19 AM EDT | Rip Current Statement | MFL | 6 days |
| Oct 2, 4:43 PM EDT | Coastal Flood Advisory | MFL | 7 days |
| Oct 3, 7:03 AM EDT | Special Weather Statement | MFL | 12 min |
| Oct 4, 4:14 PM EDT | Flood Watch | MFL | 32 hr |
| Oct 5, 11:12 AM EDT | Areal Flood Advisory | MFL | 3 hr |
| Oct 10, 10:24 AM EDT | Rip Current Statement | MFL | 68 hr |
| Oct 19, 9:40 AM EDT | Coastal Flood Statement | MFL | 3 days |
| Oct 20, 12:12 AM EDT | Rip Current Statement | MFL | 4 days |
| Oct 24, 3:30 PM EDT | Special Weather Statement | MFL | 45 min |
| Oct 28, 10:18 AM EDT | Flood Watch | MFL | 19 hr |
| Oct 28, 11:40 AM EDT | Rip Current Statement | MFL | 17 hr |
| Oct 28, 2:34 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 28, 7:57 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 28, 8:45 PM EDT | Special Weather Statement | MFL | 15 min |
| Oct 28, 11:30 PM EDT | Special Weather Statement | MFL | 45 min |
| Nov 5, 3:17 AM EST | Coastal Flood Statement | MFL | 7 hr |
| Nov 7, 3:46 AM EST | Dense Fog Advisory | MFL | 4 hr |
| Nov 11, 3:08 AM EST | Rip Current Statement | MFL | 7 days |
| Nov 20, 4:12 PM EST | Rip Current Statement | MFL | 27 hr |
| Nov 21, 2:35 AM EST | Areal Flood Advisory | MFL | 115 min |
| Nov 23, 12:28 PM EST | Special Weather Statement | MFL | 47 min |
| Nov 23, 2:27 PM EST | Areal Flood Advisory | MFL | 2 hr |
| Nov 23, 2:46 PM EST | Special Weather Statement | MFL | 44 min |
| Nov 28, 3:14 AM EST | Rip Current Statement | MFL | 16 hr |
| Nov 29, 1:06 AM EST | Areal Flood Advisory | MFL | 114 min |
| Nov 30, 2:54 AM EST | Rip Current Statement | MFL | 36 hr |
| Dec 9, 7:42 AM EST | Special Weather Statement | MFL | 63 min |
| Dec 9, 7:54 AM EST | Special Weather Statement | MFL | 81 min |
| Dec 19, 4:27 AM EST | Dense Fog Advisory | MFL | 4 hr |
| Dec 21, 11:06 PM EST | Dense Fog Advisory | MFL | 11 hr |
| Dec 29, 7:40 AM EST | Dense Fog Advisory | MFL | 2 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 | 8 |
| Tornado Warning | 15 |
| Severe Thunderstorm Watch | 1 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 15 |
| Special Weather Statement | 66 |
| Flooding | |
| Areal Flood Warning | 6 |
| Flash Flood Warning | 2 |
| Flood Watch | 5 |
| Areal Flood Advisory | 30 |
| Heat | |
| Heat Advisory | 2 |
| Wind and dust | |
| Wind Advisory | 2 |
| Fire | |
| Red Flag Warning | 3 |
| Fire Weather Watch | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 9 |
| Dense Smoke Advisory | 1 |
| Tropical | |
| Hurricane Warning | 1 |
| Storm Surge Warning | 1 |
| Tropical Storm Warning | 1 |
| Hurricane Watch | 1 |
| Storm Surge Watch | 1 |
| Coast and beach | |
| Coastal Flood Advisory | 2 |
| Coastal Flood Statement | 2 |
| Rip Current Statement | 33 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20162018
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.