Alert archive / Florida / Osceola County
Weather alerts in Osceola County, Florida, 2026
213 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Osceola County and its neighbors
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Alerts
- 213
- Warnings
- 47
- Watches
- 12
- Advisories
- 60
- Busiest month
- August48 alerts
- Busiest day
- June 24, 20267 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Osceola County, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 30 | 2 | 93% | 4 | 50% | 23 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Melbourne, FL: tornado warnings | 4 | 0 | 100% | 0 | ||
| NWS Melbourne, FL: severe thunderstorm warnings | 119 | 23 | 81% | 44 | 68% | 13 min |
| NWS Melbourne, FL: flash flood warnings | 6 | 2 | 67% | 7 | 86% | 24 min |
An office's figures cover every county it serves, including across state lines.
The year is still running; reports filed late and damage surveys can still change these figures.
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 5, 1:59 AM EST | Dense Fog Advisory | MLB | 8 hr |
| Jan 6, 2:21 AM EST | Dense Fog Advisory | MLB | 7 hr |
| Jan 7, 3:21 AM EST | Dense Fog Advisory | MLB | 6 hr |
| Jan 8, 1:05 AM EST | Dense Fog Advisory | MLB | 9 hr |
| Jan 13, 11:39 PM EST | Freeze Watch | MLB | 35 hr |
| Jan 14, 11:36 PM EST | Cold Weather Advisory | MLB | 33 hr |
| Jan 14, 11:36 PM EST | Freeze Warning | MLB | 33 hr |
| Jan 17, 12:10 AM EST | Freeze Watch | MLB | 24 hr |
| Jan 17, 8:08 PM EST | Wind Advisory | MLB | 20 hr |
| Jan 18, 12:35 AM EST | Cold Weather Advisory | MLB | 32 hr |
| Jan 18, 12:35 AM EST | Freeze Warning | MLB | 32 hr |
| Jan 19, 11:58 AM EST | Cold Weather Advisory | MLB | 21 hr |
| Jan 24, 4:16 AM EST | Dense Fog Advisory | MLB | 6 hr |
| Jan 25, 11:35 PM EST | Cold Weather Advisory | MLB | 33 hr |
| Jan 25, 11:35 PM EST | Freeze Watch | MLB | 24 hr |
| Jan 26, 11:57 PM EST | Cold Weather Advisory | MLB | 33 hr |
| Jan 26, 11:57 PM EST | Freeze Watch | MLB | 24 hr |
| Jan 26, 11:57 PM EST | Freeze Warning | MLB | 33 hr |
| Jan 28, 12:08 AM EST | Cold Weather Advisory | MLB | 33 hr |
| Jan 28, 12:08 AM EST | Freeze Warning | MLB | 33 hr |
| Jan 29, 11:19 AM EST | Extreme Cold Watch | MLB | 24 hr |
| Jan 29, 11:19 AM EST | Freeze Watch | MLB | 24 hr |
| Jan 30, 11:47 AM EST | Extreme Cold Warning | MLB | 46 hr |
| Jan 30, 11:47 AM EST | Freeze Warning | MLB | 47 hr |
| Jan 30, 11:47 AM EST | Wind Advisory | MLB | 43 hr |
| Jan 31, 12:30 PM EST | Extreme Cold Warning | MLB | 46 hr |
| Jan 31, 12:30 PM EST | Freeze Warning | MLB | 46 hr |
| Feb 1, 11:35 PM EST | Freeze Warning | MLB | 33 hr |
| Feb 2, 11:24 AM EST | Cold Weather Advisory | MLB | 22 hr |
| Feb 4, 11:52 PM EST | Cold Weather Advisory | MLB | 33 hr |
| Feb 6, 8:53 AM EST | Red Flag Warning | MLB | 9 hr |
| Feb 12, 5:01 AM EST | Dense Fog Advisory | MLB | 5 hr |
| Feb 21, 2:11 PM EST | Fire Weather Watch | MLB | 28 hr |
| Feb 21, 7:31 PM EST | Red Flag Warning | MLB | 28 hr |
| Feb 22, 1:30 AM EST | Cold Weather Advisory | MLB | 32 hr |
| Feb 22, 1:30 AM EST | Freeze Watch | MLB | 23 hr |
| Feb 22, 2:03 AM EST | Red Flag Warning | MLB | 41 hr |
| Feb 23, 12:15 AM EST | Cold Weather Advisory | MLB | 33 hr |
| Feb 23, 12:15 AM EST | Freeze Warning | MLB | 32 hr |
| Feb 24, 12:15 AM EST | Frost Advisory | MLB | 32 hr |
| Feb 26, 1:59 AM EST | Red Flag Warning | MLB | 16 hr |
| Feb 27, 4:02 AM EST | Dense Fog Advisory | MLB | 5 hr |
| Feb 27, 4:31 PM EST | Special Weather Statement | MLB | 29 min |
| Mar 8, 7:16 AM EDT | Dense Fog Advisory | MLB | 3 hr |
| Mar 15, 2:18 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Mar 15, 3:50 PM EDT | Special Weather Statement | MLB | 25 min |
| Mar 15, 4:07 PM EDT | Special Weather Statement | MLB | 53 min |
| Mar 15, 4:26 PM EDT | Severe Thunderstorm Warning | MLB | 30 min |
| Mar 16, 1:58 PM EDT | Mesoscale Discussion | SPC | 62 min |
| Mar 16, 2:13 PM EDT | Severe Thunderstorm Warning | MLB | 17 min |
| Mar 16, 5:03 PM EDT | Special Weather Statement | MLB | 12 min |
| Mar 16, 5:35 PM EDT | Special Weather Statement | MLB | 40 min |
| Mar 24, 4:37 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Mar 24, 5:48 PM EDT | Special Weather Statement | MLB | 27 min |
| Mar 24, 6:11 PM EDT | Special Weather Statement | MLB | 34 min |
| Mar 25, 3:10 AM EDT | Areal Flood Advisory | MLB | 65 min |
| Mar 27, 2:15 PM EDT | Wind Advisory | MLB | 50 hr |
| Apr 6, 1:33 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Apr 6, 1:36 PM EDT | Wind Advisory | MLB | 3 days |
| Apr 6, 4:19 PM EDT | Special Weather Statement | MLB | 26 min |
| Apr 6, 4:45 PM EDT | Special Weather Statement | MLB | 30 min |
| Apr 6, 5:41 PM EDT | Areal Flood Advisory | MLB | 94 min |
| Apr 7, 11:53 PM EDT | Wind Advisory | MLB | 24 hr |
| Apr 20, 2:07 AM EDT | Fire Weather Watch | MLB | 13 hr |
| Apr 20, 2:42 PM EDT | Red Flag Warning | MLB | 29 hr |
| May 1, 4:11 PM EDT | Fire Weather Watch | MLB | 9 hr |
| May 2, 1:08 AM EDT | Wind Advisory | MLB | 17 hr |
| May 2, 1:25 AM EDT | Red Flag Warning | MLB | 17 hr |
| May 2, 11:27 AM EDT | Tornado Watch | SPC | 6 hr |
| May 2, 1:57 PM EDT | Mesoscale Discussion | SPC | 93 min |
| May 2, 4:28 PM EDT | Special Weather Statement | MLB | 47 min |
| May 6, 2:24 AM EDT | Fire Weather Watch | MLB | 18 hr |
| May 6, 8:19 PM EDT | Red Flag Warning | MLB | 24 hr |
| May 10, 1:24 PM EDT | Mesoscale Discussion | SPC | 96 min |
| May 11, 1:14 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 11, 6:51 PM EDT | Special Weather Statement | MLB | 24 min |
| May 12, 12:38 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 12, 3:26 PM EDT | Special Weather Statement | MLB | 34 min |
| May 12, 3:43 PM EDT | Severe Thunderstorm Warning | MLB | 47 min |
| May 12, 3:51 PM EDT | Special Weather Statement | MLB | 39 min |
| May 31, 5:53 PM EDT | Special Weather Statement | MLB | 37 min |
| Jun 2, 3:42 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 2, 9:06 PM EDT | Special Weather Statement | MLB | 39 min |
| Jun 2, 9:24 PM EDT | Special Weather Statement | MLB | 36 min |
| Jun 10, 5:12 PM EDT | Areal Flood Advisory | MLB | 63 min |
| Jun 12, 6:08 PM EDT | Areal Flood Advisory | MLB | 82 min |
| Jun 14, 4:52 PM EDT | Special Weather Statement | MLB | 38 min |
| Jun 14, 4:56 PM EDT | Severe Thunderstorm Warning | MLB | 19 min |
| Jun 14, 5:19 PM EDT | Areal Flood Advisory | MLB | 86 min |
| Jun 18, 1:02 AM EDT | Heat Advisory | MLB | 18 hr |
| Jun 18, 6:28 PM EDT | Severe Thunderstorm Warning | MLB | 17 min |
| Jun 18, 11:46 PM EDT | Heat Advisory | MLB | 19 hr |
| Jun 19, 3:31 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Jun 19, 3:41 PM EDT | Special Weather Statement | MLB | 34 min |
| Jun 19, 4:13 PM EDT | Special Weather Statement | MLB | 47 min |
| Jun 19, 4:27 PM EDT | Severe Thunderstorm Warning | MLB | 33 min |
| Jun 19, 4:34 PM EDT | Special Weather Statement | TBW | 41 min |
| Jun 20, 1:06 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 20, 1:23 PM EDT | Severe Thunderstorm Warning | MLB | 20 min |
| Jun 20, 2:30 PM EDT | Special Weather Statement | MLB | 30 min |
| Jun 22, 7:05 PM EDT | Special Weather Statement | MLB | 25 min |
| Jun 22, 7:27 PM EDT | Severe Thunderstorm Warning | MLB | 33 min |
| Jun 22, 7:49 PM EDT | Special Weather Statement | MLB | 41 min |
| Jun 23, 5:56 PM EDT | Severe Thunderstorm Warning | MLB | 19 min |
| Jun 23, 6:12 PM EDT | Special Weather Statement | MLB | 33 min |
| Jun 24, 1:20 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 24, 2:00 PM EDT | Severe Thunderstorm Warning | MLB | 30 min |
| Jun 24, 2:01 PM EDT | Severe Thunderstorm Warning | MLB | 44 min |
| Jun 24, 2:26 PM EDT | Severe Thunderstorm Warning | MLB | 34 min |
| Jun 24, 2:58 PM EDT | Special Weather Statement | MLB | 47 min |
| Jun 24, 3:09 PM EDT | Severe Thunderstorm Warning | MLB | 22 min |
| Jun 24, 3:43 PM EDT | Special Weather Statement | MLB | 32 min |
| Jun 25, 4:23 PM EDT | Severe Thunderstorm Warning | MLB | 22 min |
| Jun 25, 5:24 PM EDT | Severe Thunderstorm Warning | MLB | 21 min |
| Jun 27, 6:22 PM EDT | Areal Flood Advisory | MLB | 83 min |
| Jun 27, 7:29 PM EDT | Areal Flood Advisory | MLB | 91 min |
| Jun 27, 8:06 PM EDT | Areal Flood Advisory | MLB | 84 min |
| Jun 28, 7:22 PM EDT | Areal Flood Advisory | MLB | 83 min |
| Jun 28, 7:44 PM EDT | Areal Flood Advisory | MLB | 91 min |
| Jun 30, 2:54 PM EDT | Special Weather Statement | MLB | 36 min |
| Jun 30, 3:27 PM EDT | Special Weather Statement | MLB | 33 min |
| Jul 3, 5:15 PM EDT | Special Weather Statement | MLB | 30 min |
| Jul 3, 5:53 PM EDT | Areal Flood Advisory | MLB | 82 min |
| Jul 5, 6:29 PM EDT | Special Weather Statement | MLB | 31 min |
| Jul 6, 4:37 PM EDT | Areal Flood Advisory | MLB | 83 min |
| Jul 9, 2:22 AM EDT | Heat Advisory | MLB | 18 hr |
| Jul 10, 12:16 AM EDT | Heat Advisory | MLB | 20 hr |
| Jul 10, 5:22 PM EDT | Special Weather Statement | MLB | 38 min |
| Jul 11, 1:16 AM EDT | Heat Advisory | MLB | 18 hr |
| Jul 11, 2:27 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 12, 3:14 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 13, 3:55 PM EDT | Severe Thunderstorm Warning | MLB | 20 min |
| Jul 13, 4:09 PM EDT | Severe Thunderstorm Warning | MLB | 36 min |
| Jul 13, 4:38 PM EDT | Severe Thunderstorm Warning | MLB | 37 min |
| Jul 13, 5:06 PM EDT | Special Weather Statement | MLB | 24 min |
| Jul 13, 5:24 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 13, 5:32 PM EDT | Special Weather Statement | MLB | 43 min |
| Jul 13, 5:57 PM EDT | Special Weather Statement | MLB | 33 min |
| Jul 14, 2:20 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Jul 14, 6:03 PM EDT | Severe Thunderstorm Warning | MLB | 16 min |
| Jul 14, 6:08 PM EDT | Special Weather Statement | MLB | 37 min |
| Jul 14, 6:18 PM EDT | Special Weather Statement | MLB | 27 min |
| Jul 14, 6:27 PM EDT | Severe Thunderstorm Warning | MLB | 21 min |
| Jul 14, 6:47 PM EDT | Special Weather Statement | MLB | 28 min |
| Jul 26, 4:21 PM EDT | Severe Thunderstorm Warning | MLB | 24 min |
| Jul 26, 4:44 PM EDT | Severe Thunderstorm Warning | MLB | 20 min |
| Jul 26, 4:47 PM EDT | Special Weather Statement | MLB | 28 min |
| Jul 26, 5:10 PM EDT | Severe Thunderstorm Warning | MLB | 22 min |
| Jul 28, 2:49 PM EDT | Special Weather Statement | MLB | 26 min |
| Jul 30, 1:32 PM EDT | Areal Flood Advisory | MLB | 118 min |
| Jul 31, 1:12 PM EDT | Special Weather Statement | MLB | 33 min |
| Aug 2, 3:09 PM EDT | Special Weather Statement | MLB | 51 min |
| Aug 2, 3:48 PM EDT | Special Weather Statement | MLB | 42 min |
| Aug 4, 3:25 PM EDT | Special Weather Statement | MLB | 50 min |
| Aug 5, 6:46 PM EDT | Special Weather Statement | MLB | 29 min |
| Aug 5, 7:51 PM EDT | Special Weather Statement | MLB | 24 min |
| Aug 6, 4:04 PM EDT | Special Weather Statement | MLB | 26 min |
| Aug 6, 5:46 PM EDT | Special Weather Statement | MLB | 29 min |
| Aug 6, 6:00 PM EDT | Special Weather Statement | MLB | 30 min |
| Aug 8, 6:39 PM EDT | Special Weather Statement | MLB | 36 min |
| Aug 11, 12:13 AM EDT | Heat Advisory | MLB | 20 hr |
| Aug 12, 12:28 AM EDT | Heat Advisory | MLB | 20 hr |
| Aug 12, 4:29 PM EDT | Special Weather Statement | MLB | 31 min |
| Aug 12, 4:55 PM EDT | Special Weather Statement | MLB | 35 min |
| Aug 12, 5:04 PM EDT | Special Weather Statement | MLB | 26 min |
| Aug 12, 5:30 PM EDT | Special Weather Statement | MLB | 30 min |
| Aug 13, 1:04 AM EDT | Heat Advisory | MLB | 19 hr |
| Aug 13, 4:02 PM EDT | Special Weather Statement | MLB | 28 min |
| Aug 13, 4:33 PM EDT | Special Weather Statement | MLB | 42 min |
| Aug 14, 12:25 AM EDT | Heat Advisory | MLB | 20 hr |
| Aug 14, 3:29 PM EDT | Special Weather Statement | MLB | 31 min |
| Aug 14, 3:58 PM EDT | Severe Thunderstorm Warning | MLB | 32 min |
| Aug 14, 4:24 PM EDT | Special Weather Statement | MLB | 36 min |
| Aug 14, 5:01 PM EDT | Special Weather Statement | MLB | 29 min |
| Aug 15, 12:01 AM EDT | Heat Advisory | MLB | 20 hr |
| Aug 16, 12:01 AM EDT | Heat Advisory | MLB | 20 hr |
| Aug 17, 12:10 AM EDT | Heat Advisory | MLB | 20 hr |
| Aug 17, 4:43 PM EDT | Severe Thunderstorm Warning | MLB | 19 min |
| Aug 18, 12:38 AM EDT | Heat Advisory | MLB | 19 hr |
| Aug 19, 12:10 AM EDT | Heat Advisory | MLB | 20 hr |
| Aug 19, 9:04 PM EDT | Special Weather Statement | MLB | 26 min |
| Aug 19, 9:31 PM EDT | Special Weather Statement | MLB | 29 min |
| Aug 19, 10:27 PM EDT | Special Weather Statement | TBW | 33 min |
| Aug 20, 12:38 AM EDT | Heat Advisory | MLB | 18 hr |
| Aug 20, 4:27 PM EDT | Areal Flood Advisory | MLB | 93 min |
| Aug 20, 4:39 PM EDT | Severe Thunderstorm Warning | MLB | 51 min |
| Aug 20, 5:23 PM EDT | Areal Flood Advisory | MLB | 2 hr |
| Aug 21, 5:31 PM EDT | Special Weather Statement | MLB | 29 min |
| Aug 21, 5:33 PM EDT | Special Weather Statement | TBW | 27 min |
| Aug 21, 5:37 PM EDT | Special Weather Statement | MLB | 23 min |
| Aug 21, 5:39 PM EDT | Severe Thunderstorm Warning | MLB | 30 min |
| Aug 21, 5:51 PM EDT | Severe Thunderstorm Warning | MLB | 39 min |
| Aug 21, 6:12 PM EDT | Severe Thunderstorm Warning | MLB | 48 min |
| Aug 24, 8:14 PM EDT | Special Weather Statement | MLB | 31 min |
| Aug 26, 4:01 PM EDT | Special Weather Statement | MLB | 29 min |
| Aug 26, 5:08 PM EDT | Special Weather Statement | MLB | 52 min |
| Aug 26, 6:06 PM EDT | Areal Flood Advisory | MLB | 114 min |
| Aug 26, 8:00 PM EDT | Areal Flood Advisory | MLB | 90 min |
| Aug 31, 2:34 PM EDT | Areal Flood Advisory | MLB | 116 min |
| Sep 3, 1:15 PM EDT | Areal Flood Advisory | MLB | 90 min |
| Sep 6, 4:05 PM EDT | Special Weather Statement | MLB | 25 min |
| Sep 7, 11:20 AM EDT | Special Weather Statement | TBW | 25 min |
| Sep 7, 11:44 AM EDT | Special Weather Statement | MLB | 31 min |
| Sep 7, 11:49 AM EDT | Special Weather Statement | TBW | 26 min |
| Sep 10, 4:45 PM EDT | Special Weather Statement | MLB | 30 min |
| Sep 10, 5:13 PM EDT | Special Weather Statement | MLB | 47 min |
| Sep 10, 5:15 PM EDT | Severe Thunderstorm Warning | MLB | 17 min |
| Sep 10, 5:58 PM EDT | Areal Flood Advisory | MLB | 65 min |
| Sep 12, 4:48 PM EDT | Special Weather Statement | MLB | 42 min |
| Sep 12, 6:03 PM EDT | Special Weather Statement | MLB | 27 min |
| Sep 12, 6:29 PM EDT | Special Weather Statement | MLB | 31 min |
| Sep 21, 2:55 PM EDT | Special Weather Statement | MLB | 35 min |
| Sep 21, 3:17 PM EDT | Special Weather Statement | MLB | 28 min |
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 | 30 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 16 |
| Special Weather Statement | 78 |
| Flooding | |
| Areal Flood Advisory | 20 |
| Heat | |
| Heat Advisory | 15 |
| Cold | |
| Extreme Cold Warning | 2 |
| Freeze Warning | 8 |
| Extreme Cold Watch | 1 |
| Freeze Watch | 6 |
| Cold Weather Advisory | 10 |
| Frost Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 6 |
| Fire | |
| Red Flag Warning | 7 |
| Fire Weather Watch | 4 |
| Fog and smoke | |
| Dense Fog Advisory | 8 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive2025
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.