Alert archive / Indiana / Jasper County
Weather alerts in Jasper County, Indiana, 2026
153 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Jasper County and its neighbors
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Alerts
- 153
- Warnings
- 33
- Watches
- 40
- Advisories
- 33
- Busiest month
- August36 alerts
- Busiest day
- August 11, 20269 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 5 tornado warnings covering Jasper County in 2026 had a tornado report inside them; 2 of 2 tornado reports fell inside a warning, on average 27 minutes after it went out.
Jasper County, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 5 | 4 | 20% | 2 | 100% | 27 min |
| Severe thunderstorm warnings | 19 | 10 | 47% | 7 | 100% | 29 min |
| Flash flood warnings | 1 | 0 | 100% | 0 |
Each office's whole area, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Chicago, IL: tornado warnings | 75 | 29 | 61% | 91 | 69% | 19 min |
| NWS Chicago, IL: severe thunderstorm warnings | 265 | 167 | 37% | 1,194 | 90% | 30 min |
| NWS Chicago, IL: flash flood warnings | 59 | 31 | 47% | 188 | 86% | 119 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, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 8, 7:50 PM CST | Mesoscale Discussion | SPC | 55 min |
| Jan 14, 8:00 AM CST | Snow Squall Warning | LOT | 60 min |
| Jan 14, 8:20 AM CST | Snow Squall Warning | LOT | 55 min |
| Jan 14, 8:53 AM CST | Snow Squall Warning | LOT | 67 min |
| Jan 14, 5:01 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Jan 14, 9:38 PM CST | Winter Weather Advisory | LOT | 9 hr |
| Jan 18, 2:13 AM CST | Cold Weather Advisory | LOT | 34 hr |
| Jan 21, 4:42 PM CST | Wind Advisory | LOT | 7 hr |
| Jan 22, 3:12 AM CST | Cold Weather Advisory | LOT | 55 hr |
| Jan 24, 1:51 AM CST | Winter Weather Advisory | LOT | 42 hr |
| Jan 25, 2:35 AM CST | Cold Weather Advisory | LOT | 32 hr |
| Feb 16, 5:20 AM CST | Dense Fog Advisory | LOT | 4 hr |
| Feb 19, 8:47 AM CST | Severe Thunderstorm Warning | LOT | 13 min |
| Feb 19, 1:56 PM CST | Wind Advisory | LOT | 26 hr |
| Mar 4, 8:34 PM CST | Dense Fog Advisory | LOT | 37 hr |
| Mar 6, 2:10 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 6, 5:02 PM CST | Severe Thunderstorm Watch | SPC | 4 hr |
| Mar 6, 6:37 PM CST | Mesoscale Discussion | SPC | 113 min |
| Mar 10, 11:16 AM CDT | Mesoscale Discussion | SPC | 29 min |
| Mar 10, 1:53 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Mar 10, 3:57 PM CDT | Tornado Watch | SPC | 10 hr |
| Mar 10, 6:27 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Mar 10, 7:09 PM CDT | Severe Thunderstorm Warning | LOT | 71 min |
| Mar 10, 7:09 PM CDT | Tornado Warning | LOT | 51 min |
| Mar 10, 7:41 PM CDT | Tornado Warning | LOT | 35 min |
| Mar 12, 1:33 AM CDT | High Wind Watch | LOT | 10 hr |
| Mar 12, 1:33 AM CDT | Wind Advisory | LOT | 40 hr |
| Mar 12, 11:28 AM CDT | High Wind Warning | LOT | 29 hr |
| Mar 14, 2:00 AM CDT | High Wind Watch | LOT | 10 hr |
| Mar 14, 11:57 AM CDT | Wind Advisory | LOT | 30 hr |
| Mar 15, 2:52 AM CDT | High Wind Warning | LOT | 15 hr |
| Mar 15, 9:27 AM CDT | Winter Weather Advisory | LOT | 39 hr |
| Mar 15, 5:16 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Mar 15, 5:42 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 26, 2:48 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Mar 26, 4:15 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Mar 26, 4:49 PM CDT | Severe Thunderstorm Warning | LOT | 26 min |
| Mar 31, 9:25 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 31, 2:44 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 2, 1:32 AM CDT | Wind Advisory | LOT | 17 hr |
| Apr 2, 5:11 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Apr 3, 11:05 AM CDT | River Flood Watch | LOT | 19 hr |
| Apr 3, 3:56 PM CDT | Flood Watch | LOT | 18 hr |
| Apr 3, 4:59 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 3, 5:18 PM CDT | Tornado Watch | SPC | 4 hr |
| Apr 3, 7:24 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Apr 4, 5:43 AM CDT | River Flood Warning | LOT | 9 days |
| Apr 13, 2:06 PM CDT | Mesoscale Discussion | SPC | 24 min |
| Apr 13, 2:09 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 13, 2:55 PM CDT | Severe Thunderstorm Warning | LOT | 50 min |
| Apr 13, 3:14 PM CDT | Severe Thunderstorm Warning | LOT | 61 min |
| Apr 13, 3:38 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Apr 14, 1:55 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 14, 7:11 PM CDT | Flood Watch | LOT | 30 hr |
| Apr 17, 11:04 AM CDT | River Flood Watch | LOT | 24 hr |
| Apr 17, 11:48 AM CDT | Flood Watch | LOT | 15 hr |
| Apr 17, 3:31 PM CDT | Tornado Watch | SPC | 8 hr |
| Apr 17, 8:09 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 17, 10:01 PM CDT | Severe Thunderstorm Warning | LOT | 74 min |
| Apr 17, 10:19 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Apr 18, 1:29 PM CDT | Frost Advisory | LOT | 20 hr |
| Apr 18, 1:29 PM CDT | Freeze Watch | LOT | 12 hr |
| Apr 19, 1:52 AM CDT | Freeze Warning | LOT | 30 hr |
| Apr 21, 1:07 PM CDT | Mesoscale Discussion | SPC | 113 min |
| May 1, 3:32 AM CDT | Frost Advisory | LOT | 28 hr |
| May 4, 2:59 AM CDT | Blowing Dust Advisory | LOT | 15 hr |
| May 4, 3:42 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 12, 9:36 AM CDT | Blowing Dust Advisory | LOT | 9 hr |
| May 18, 8:40 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 18, 10:02 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 18, 11:19 AM CDT | Severe Thunderstorm Warning | LOT | 56 min |
| Jun 6, 5:39 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 6, 2:06 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jun 6, 7:09 PM CDT | Severe Thunderstorm Warning | LOT | 21 min |
| Jun 10, 2:06 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Jun 10, 2:40 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 10, 3:58 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 10, 6:54 PM CDT | Flood Watch | LOT | 7 hr |
| Jun 10, 7:55 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jun 10, 8:24 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 11, 10:05 AM CDT | Flood Watch | LOT | 11 hr |
| Jun 11, 1:57 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 11, 2:41 PM CDT | Severe Thunderstorm Warning | LOT | 46 min |
| Jun 11, 3:23 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 11, 6:38 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 11, 7:40 PM CDT | Tornado Warning | LOT | 65 min |
| Jun 11, 7:51 PM CDT | Tornado Warning | LOT | 39 min |
| Jun 11, 8:13 PM CDT | Tornado Warning | LOT | 31 min |
| Jun 11, 8:19 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Jun 11, 8:30 PM CDT | Severe Thunderstorm Warning | LOT | 49 min |
| Jun 16, 12:22 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Jun 16, 3:07 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 17, 2:20 AM CDT | Flood Watch | LOT | 15 hr |
| Jun 24, 12:44 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 24, 6:34 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Jun 24, 8:06 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jun 28, 2:47 AM CDT | Heat Advisory | LOT | 47 hr |
| Jun 28, 11:18 AM CDT | Extreme Heat Warning | LOT | 5 days |
| Jul 3, 8:59 AM CDT | Heat Advisory | LOT | 10 hr |
| Jul 3, 11:52 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 3, 6:37 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 4, 11:24 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 4, 12:33 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 4, 3:51 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jul 4, 5:27 PM CDT | Areal Flood Advisory | LOT | 95 min |
| Jul 18, 11:37 AM CDT | Mesoscale Discussion | SPC | 113 min |
| Jul 18, 12:20 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 27, 2:10 AM CDT | Heat Advisory | LOT | 14 hr |
| Jul 27, 3:02 AM CDT | Dense Fog Advisory | LOT | 5 hr |
| Jul 27, 7:52 AM CDT | Mesoscale Discussion | SPC | 113 min |
| Jul 27, 11:42 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 27, 1:01 PM CDT | Severe Thunderstorm Warning | LOT | 74 min |
| Jul 27, 1:08 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jul 27, 1:26 PM CDT | Severe Thunderstorm Warning | LOT | 49 min |
| Jul 27, 1:45 PM CDT | Severe Thunderstorm Warning | LOT | 45 min |
| Aug 1, 10:22 AM CDT | Flood Watch | LOT | 11 hr |
| Aug 7, 2:46 AM CDT | Dense Fog Advisory | LOT | 6 hr |
| Aug 9, 5:03 PM CDT | Flood Watch | LOT | 10 hr |
| Aug 9, 8:43 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 10, 1:42 AM CDT | Severe Thunderstorm Warning | LOT | 93 min |
| Aug 10, 1:56 AM CDT | Areal Flood Advisory | LOT | 58 min |
| Aug 10, 2:15 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 10, 5:15 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 10, 6:21 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 10, 8:00 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Aug 11, 4:56 AM CDT | Areal Flood Advisory | LOT | 3 hr |
| Aug 11, 7:22 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 11, 8:52 AM CDT | Severe Thunderstorm Warning | LOT | 19 min |
| Aug 11, 9:30 AM CDT | Severe Thunderstorm Warning | LOT | 60 min |
| Aug 11, 10:04 AM CDT | Areal Flood Advisory | LOT | 3 hr |
| Aug 11, 11:04 AM CDT | Severe Thunderstorm Warning | LOT | 56 min |
| Aug 11, 11:10 AM CDT | Severe Thunderstorm Warning | LOT | 65 min |
| Aug 11, 11:42 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 11, 8:04 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 12, 6:41 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 12, 9:04 AM CDT | Mesoscale Discussion | SPC | 116 min |
| Aug 12, 10:14 AM CDT | Severe Thunderstorm Warning | LOT | 61 min |
| Aug 12, 10:17 AM CDT | Areal Flood Advisory | LOT | 2 hr |
| Aug 12, 10:42 AM CDT | Flash Flood Warning | LOT | 111 min |
| Aug 12, 12:33 PM CDT | Areal Flood Advisory | LOT | 117 min |
| Aug 13, 2:08 AM CDT | Flood Watch | LOT | 32 hr |
| Aug 13, 2:42 AM CDT | Dense Fog Advisory | LOT | 6 hr |
| Aug 13, 12:30 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 13, 11:03 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Aug 14, 12:01 PM CDT | Flood Watch | LOT | 22 hr |
| Aug 15, 6:39 PM CDT | Flood Watch | LOT | 13 hr |
| Aug 19, 2:56 AM CDT | Flood Watch | LOT | 22 hr |
| Aug 19, 4:52 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Aug 26, 12:22 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Aug 31, 12:24 PM CDT | Heat Advisory | LOT | 33 hr |
| Aug 31, 12:24 PM CDT | Heat Advisory | LOT | 3 days |
| Sep 3, 7:56 PM CDT | Heat Advisory | LOT | 25 hr |
| Sep 20, 4:59 AM CDT | Areal Flood Advisory | LOT | 3 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 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.