Alert archive / Indiana / Benton County
Weather alerts in Benton County, Indiana, 2008
150 weather alerts in 2008, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Benton County and its neighbors
Each county as a circle sized by its count in 2008. Tap one for its archive.
- Alerts
- 150
- Warnings
- 35
- Watches
- 36
- Advisories
- 34
- Busiest month
- June28 alerts
- Busiest day
- May 30, 20088 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
1 of 2 tornado warnings covering Benton County in 2008 had a tornado report inside them; 1 of 2 tornado reports fell inside a warning, on average 40 minutes after it went out.
Benton County, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 2 | 1 | 50% | 2 | 50% | 40 min |
| Severe thunderstorm warnings | 14 | 6 | 57% | 8 | 75% | 28 min |
| Flash flood warnings | 7 | 0 | 100% | 2 | 0% |
Each office's whole area, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Chicago, IL: tornado warnings | 37 | 14 | 62% | 75 | 80% | 24 min |
| NWS Chicago, IL: severe thunderstorm warnings | 180 | 80 | 56% | 370 | 75% | 31 min |
| NWS Chicago, IL: flash flood warnings | 38 | 15 | 61% | 78 | 51% | 180 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, 2:25 PM EST | Snow and Blowing Snow Advisory | LOT | 7 hr |
| Jan 2, 12:25 AM EST | Wind Chill Advisory | LOT | 9 hr |
| Jan 6, 2:42 PM EST | Flood Watch | LOT | 50 hr |
| Jan 7, 3:35 PM EST | Tornado Watch | SPC | 6 hr |
| Jan 7, 8:03 PM EST | Mesoscale Discussion | SPC | 117 min |
| Jan 7, 8:16 PM EST | Severe Thunderstorm Warning | LOT | 89 min |
| Jan 17, 10:15 AM EST | Wind Chill Advisory | LOT | 3 days |
| Jan 22, 6:08 AM EST | Blowing Snow Advisory | LOT | 5 hr |
| Jan 23, 4:50 AM EST | Wind Chill Advisory | LOT | 32 hr |
| Jan 28, 10:41 PM EST | Winter Storm Warning | LOT | 26 hr |
| Jan 29, 2:24 PM EST | Mesoscale Discussion | SPC | 66 min |
| Jan 29, 10:22 PM EST | Wind Chill Advisory | LOT | 13 hr |
| Jan 29, 10:22 PM EST | Wind Advisory | LOT | 6 hr |
| Jan 30, 5:36 AM EST | Winter Storm Watch | LOT | 24 hr |
| Jan 31, 5:28 AM EST | Winter Storm Warning | LOT | 32 hr |
| Jan 31, 7:23 PM EST | Mesoscale Discussion | SPC | 3 hr |
| Feb 1, 2:43 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Feb 3, 4:09 PM EST | Winter Weather Advisory | LOT | 10 hr |
| Feb 3, 5:42 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 4, 7:49 AM EST | Dense Fog Advisory | LOT | 21 hr |
| Feb 4, 8:14 PM EST | Severe Thunderstorm Watch | SPC | 6 hr |
| Feb 4, 8:18 PM EST | Mesoscale Discussion | SPC | 117 min |
| Feb 4, 8:27 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Feb 4, 8:28 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Feb 4, 9:18 PM EST | Flash Flood Watch | LOT | 4 hr |
| Feb 5, 12:51 AM EST | Flash Flood Warning | LOT | 18 hr |
| Feb 5, 12:15 PM EST | Flood Watch | LOT | 26 hr |
| Feb 5, 7:33 PM EST | Flash Flood Warning | LOT | 14 hr |
| Feb 9, 5:24 AM EST | Wind Chill Advisory | LOT | 44 hr |
| Feb 10, 4:41 PM EST | Snow Advisory | LOT | 37 hr |
| Feb 15, 4:13 PM EST | Flood Watch | LOT | 48 hr |
| Feb 17, 1:52 PM EST | Mesoscale Discussion | SPC | 83 min |
| Feb 17, 2:09 PM EST | Wind Advisory | LOT | 7 hr |
| Feb 24, 4:17 AM EST | Winter Storm Watch | LOT | 24 hr |
| Feb 25, 4:45 AM EST | Winter Storm Warning | LOT | 24 hr |
| Mar 2, 7:34 PM EST | Flash Flood Watch | LOT | 16 hr |
| Mar 3, 3:04 PM EST | Mesoscale Discussion | SPC | 5 hr |
| Mar 3, 4:15 PM EST | Winter Weather Advisory | LOT | 35 hr |
| Mar 4, 2:28 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Mar 17, 5:11 AM EDT | Flood Watch | LOT | 35 hr |
| Mar 18, 9:44 AM EDT | Dense Fog Advisory | LOT | 5 hr |
| Mar 30, 3:58 AM EDT | Flood Watch | LOT | 42 hr |
| Mar 31, 6:47 PM EDT | Wind Advisory | LOT | 2 hr |
| Apr 8, 8:58 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Apr 9, 12:45 AM EDT | Mesoscale Discussion | SPC | 90 min |
| Apr 9, 5:19 AM EDT | Flash Flood Watch | LOT | 46 hr |
| Apr 10, 12:16 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 10, 3:11 PM EDT | Wind Advisory | LOT | 5 hr |
| Apr 11, 11:05 AM EDT | Wind Advisory | LOT | 10 hr |
| Apr 25, 8:13 PM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
| May 2, 10:48 AM EDT | Mesoscale Discussion | SPC | 117 min |
| May 2, 8:50 PM EDT | Mesoscale Discussion | SPC | 85 min |
| May 2, 8:57 PM EDT | Severe Thunderstorm Warning | LOT | 18 min |
| May 11, 3:01 AM EDT | Mesoscale Discussion | SPC | 89 min |
| May 11, 4:36 AM EDT | Wind Advisory | LOT | 17 hr |
| May 13, 8:11 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 26, 12:55 AM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 26, 4:13 AM EDT | Mesoscale Discussion | SPC | 62 min |
| May 30, 2:14 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 30, 2:56 PM EDT | Tornado Watch | SPC | 8 hr |
| May 30, 5:02 PM EDT | Severe Thunderstorm Warning | LOT | 58 min |
| May 30, 5:36 PM EDT | Severe Thunderstorm Warning | LOT | 54 min |
| May 30, 6:16 PM EDT | Flash Flood Warning | LOT | 6 hr |
| May 30, 6:18 PM EDT | Mesoscale Discussion | SPC | 87 min |
| May 30, 7:13 PM EDT | Severe Thunderstorm Warning | LOT | 32 min |
| May 30, 7:51 PM EDT | Areal Flood Advisory | LOT | 14 days |
| May 30, 10:16 PM EDT | Mesoscale Discussion | SPC | 29 min |
| May 31, 12:27 AM EDT | Areal Flood Warning | LOT | 3 hr |
| May 31, 2:38 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 31, 3:28 AM EDT | Areal Flood Warning | LOT | 31 hr |
| Jun 3, 11:05 AM EDT | Mesoscale Discussion | SPC | 85 min |
| Jun 3, 11:02 PM EDT | Severe Thunderstorm Warning | LOT | 28 min |
| Jun 4, 12:34 AM EDT | Mesoscale Discussion | SPC | 86 min |
| Jun 4, 5:02 AM EDT | Flash Flood Watch | LOT | 19 hr |
| Jun 4, 6:51 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Jun 4, 7:32 PM EDT | Severe Thunderstorm Warning | LOT | 58 min |
| Jun 4, 8:02 PM EDT | Tornado Watch | SPC | 8 hr |
| Jun 4, 8:14 PM EDT | Tornado Warning | LOT | 61 min |
| Jun 4, 8:23 PM EDT | Areal Flood Advisory | LOT | 8 hr |
| Jun 6, 2:05 PM EDT | Tornado Watch | SPC | 5 hr |
| Jun 6, 4:39 PM EDT | Wind Advisory | LOT | 4 hr |
| Jun 7, 3:01 PM EDT | Tornado Watch | SPC | 6 hr |
| Jun 8, 4:59 PM EDT | Flash Flood Watch | LOT | 35 hr |
| Jun 12, 4:52 AM EDT | Flash Flood Watch | LOT | 34 hr |
| Jun 13, 2:57 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 13, 11:44 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 13, 12:27 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 13, 2:15 PM EDT | Flash Flood Warning | LOT | 4 hr |
| Jun 15, 6:10 AM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 15, 12:42 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 15, 5:46 PM EDT | Severe Thunderstorm Warning | LOT | 40 min |
| Jun 21, 10:32 AM EDT | Mesoscale Discussion | SPC | 88 min |
| Jun 21, 12:10 PM EDT | Severe Thunderstorm Warning | LOT | 37 min |
| Jun 21, 2:38 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jun 25, 2:11 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Jun 26, 5:18 AM EDT | Severe Thunderstorm Warning | LOT | 44 min |
| Jun 27, 4:04 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Jun 27, 4:36 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 21, 5:21 AM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 21, 8:59 AM EDT | Severe Thunderstorm Warning | LOT | 76 min |
| Jul 21, 8:20 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 31, 8:21 AM EDT | Dense Fog Advisory | LOT | 3 hr |
| Jul 31, 12:59 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 31, 2:51 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Jul 31, 4:51 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Aug 1, 2:52 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Aug 4, 7:45 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Aug 4, 8:17 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 4, 11:41 PM EDT | Tornado Warning | LOT | 49 min |
| Aug 5, 12:58 AM EDT | Mesoscale Discussion | SPC | 62 min |
| Aug 5, 7:43 AM EDT | Severe Thunderstorm Warning | LOT | 17 min |
| Aug 5, 8:07 AM EDT | Mesoscale Discussion | SPC | 53 min |
| Sep 12, 3:55 PM EDT | Flood Watch | LOT | 49 hr |
| Sep 13, 12:44 AM EDT | Mesoscale Discussion | SPC | 91 min |
| Sep 13, 2:29 AM EDT | Mesoscale Discussion | SPC | 91 min |
| Sep 13, 2:46 AM EDT | Tornado Watch | SPC | 6 hr |
| Sep 13, 4:28 AM EDT | Mesoscale Discussion | SPC | 92 min |
| Sep 14, 9:18 AM EDT | Flash Flood Warning | LOT | 8 hr |
| Sep 14, 5:08 PM EDT | Areal Flood Warning | LOT | 18 hr |
| Sep 15, 11:50 AM EDT | Areal Flood Warning | LOT | 28 hr |
| Sep 21, 6:16 PM EDT | Severe Thunderstorm Warning | LOT | 37 min |
| Sep 21, 6:22 PM EDT | Flash Flood Warning | LOT | 3 hr |
| Oct 25, 5:18 AM EDT | Wind Advisory | LOT | 40 hr |
| Oct 26, 4:50 PM EDT | Freeze Warning | LOT | 11 hr |
| Oct 27, 5:05 AM EDT | Freeze Warning | LOT | 29 hr |
| Nov 29, 4:07 PM EST | Winter Weather Advisory | LOT | 49 hr |
| Dec 8, 10:31 AM EST | Freezing Rain Advisory | LOT | 6 hr |
| Dec 14, 5:13 PM EST | Winter Weather Advisory | LOT | 12 hr |
| Dec 15, 4:22 PM EST | Winter Weather Advisory | LOT | 34 hr |
| Dec 17, 4:25 AM EST | Winter Storm Watch | LOT | 12 hr |
| Dec 17, 4:29 PM EST | Ice Storm Warning | LOT | 43 hr |
| Dec 18, 7:46 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Dec 19, 1:45 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Dec 20, 5:17 AM EST | Wind Chill Advisory | LOT | 56 hr |
| Dec 22, 5:44 AM EST | Winter Storm Watch | LOT | 9 hr |
| Dec 22, 3:03 PM EST | Winter Weather Advisory | LOT | 55 hr |
| Dec 23, 1:08 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Dec 23, 3:32 PM EST | Winter Storm Warning | LOT | 7 hr |
| Dec 23, 7:22 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Dec 25, 4:40 PM EST | Flash Flood Watch | LOT | 47 hr |
| Dec 25, 4:51 PM EST | Freezing Rain Advisory | LOT | 17 hr |
| Dec 26, 12:21 PM EST | Dense Fog Advisory | LOT | 29 hr |
| Dec 27, 5:07 AM EST | Wind Advisory | LOT | 14 hr |
| Dec 27, 1:30 PM EST | Tornado Watch | SPC | 4 hr |
| Dec 27, 2:51 PM EST | Flash Flood Warning | LOT | 6 hr |
| Dec 27, 2:54 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Dec 27, 3:08 PM EST | Severe Thunderstorm Warning | LOT | 67 min |
| Dec 27, 7:24 PM EST | Wind Advisory | LOT | 14 hr |
| Dec 27, 9:04 PM EST | Areal Flood Warning | LOT | 24 hr |
| Dec 30, 3:28 PM EST | Wind Advisory | LOT | 13 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 archive20072009
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.