Alert archive / Indiana / Saint Joseph County
Weather alerts in Saint Joseph County, Indiana, 2011
124 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Saint Joseph County and its neighbors
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Alerts
- 124
- Warnings
- 42
- Watches
- 16
- Advisories
- 4
- Busiest month
- May35 alerts
- Busiest day
- May 29, 20117 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
0 of 2 tornado warnings covering Saint Joseph County in 2011 had a tornado report inside them.
Saint Joseph County, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 2 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 20 | 16 | 20% | 17 | 88% | 37 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Northern Indiana: tornado warnings | 29 | 2 | 93% | 19 | 32% | 11 min |
| NWS Northern Indiana: severe thunderstorm warnings | 245 | 134 | 45% | 428 | 76% | 24 min |
| NWS Northern Indiana: flash flood warnings | 24 | 11 | 54% | 17 | 82% | 70 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 |
|---|---|---|---|
| Feb 1, 4:36 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 20, 5:35 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 21, 1:46 PM EST | River Flood Warning | IWX | 3 days |
| Feb 28, 4:55 PM EST | River Flood Warning | IWX | 42 hr |
| Mar 4, 10:35 AM EST | River Flood Warning | IWX | 4 days |
| Apr 11, 12:03 AM EDT | Mesoscale Discussion | SPC | 87 min |
| Apr 11, 1:01 AM EDT | Special Weather Statement | IWX | 29 min |
| Apr 11, 1:29 AM EDT | Severe Thunderstorm Warning | IWX | 46 min |
| Apr 19, 1:55 PM EDT | Special Weather Statement | IWX | 35 min |
| Apr 19, 9:37 PM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Apr 20, 11:48 AM EDT | River Flood Warning | IWX | 41 hr |
| Apr 22, 10:36 PM EDT | River Flood Warning | IWX | 14 days |
| Apr 26, 1:26 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Apr 26, 3:02 PM EDT | Tornado Watch | SPC | 7 hr |
| Apr 26, 4:53 PM EDT | Mesoscale Discussion | SPC | 67 min |
| Apr 26, 5:18 PM EDT | Severe Thunderstorm Warning | IWX | 42 min |
| Apr 28, 1:52 AM EDT | Areal Flood Warning | IWX | 9 hr |
| Apr 28, 9:02 AM EDT | River Flood Warning | IWX | 3 days |
| Apr 28, 9:02 AM EDT | River Flood Warning | IWX | 58 hr |
| Apr 28, 4:08 PM EDT | River Flood Warning | IWX | 30 hr |
| Apr 29, 7:08 AM EDT | River Flood Warning | IWX | 36 hr |
| May 2, 9:55 AM EDT | River Flood Warning | IWX | 22 hr |
| May 11, 6:40 PM EDT | Mesoscale Discussion | SPC | 65 min |
| May 11, 6:56 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 11, 7:21 PM EDT | Severe Thunderstorm Warning | IWX | 54 min |
| May 11, 7:48 PM EDT | Severe Thunderstorm Warning | IWX | 47 min |
| May 11, 9:28 PM EDT | Special Weather Statement | IWX | 32 min |
| May 11, 9:56 PM EDT | Special Weather Statement | IWX | 34 min |
| May 12, 9:04 AM EDT | Special Weather Statement | IWX | 41 min |
| May 12, 9:50 AM EDT | Special Weather Statement | IWX | 40 min |
| May 13, 5:01 PM EDT | Special Weather Statement | IWX | 14 min |
| May 14, 10:57 PM EDT | River Flood Warning | IWX | 4 days |
| May 22, 5:16 PM EDT | Mesoscale Discussion | SPC | 119 min |
| May 22, 5:32 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 22, 5:44 PM EDT | Severe Thunderstorm Warning | IWX | 61 min |
| May 22, 6:38 PM EDT | Special Weather Statement | IWX | 52 min |
| May 22, 8:20 PM EDT | Mesoscale Discussion | SPC | 115 min |
| May 22, 10:59 PM EDT | Mesoscale Discussion | SPC | 61 min |
| May 25, 4:23 AM EDT | Special Weather Statement | IWX | 22 min |
| May 25, 9:50 AM EDT | Tornado Watch | SPC | 9 hr |
| May 25, 10:06 AM EDT | Special Weather Statement | IWX | 24 min |
| May 25, 6:19 PM EDT | River Flood Warning | IWX | 10 days |
| May 27, 11:04 AM EDT | River Flood Warning | IWX | 4 days |
| May 28, 6:58 PM EDT | Special Weather Statement | IWX | 32 min |
| May 28, 8:35 PM EDT | Areal Flood Advisory | IWX | 3 hr |
| May 29, 9:39 AM EDT | Mesoscale Discussion | SPC | 66 min |
| May 29, 12:59 PM EDT | Mesoscale Discussion | SPC | 61 min |
| May 29, 1:29 PM EDT | Tornado Watch | SPC | 7 hr |
| May 29, 2:56 PM EDT | Tornado Warning | IWX | 49 min |
| May 29, 3:04 PM EDT | Severe Thunderstorm Warning | IWX | 56 min |
| May 29, 3:36 PM EDT | Tornado Warning | IWX | 39 min |
| May 31, 1:59 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| May 31, 3:33 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 31, 5:05 PM EDT | Special Weather Statement | IWX | 25 min |
| May 31, 5:10 PM EDT | Severe Thunderstorm Warning | IWX | 35 min |
| May 31, 7:26 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 4, 3:08 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 9, 12:07 AM EDT | Special Weather Statement | IWX | 38 min |
| Jun 9, 12:17 AM EDT | Severe Thunderstorm Warning | IWX | 43 min |
| Jun 9, 12:45 AM EDT | Mesoscale Discussion | SPC | 90 min |
| Jun 9, 10:47 AM EDT | Special Weather Statement | IWX | 43 min |
| Jun 9, 10:49 AM EDT | Special Weather Statement | IWX | 41 min |
| Jun 9, 10:30 PM EDT | River Flood Warning | IWX | 44 hr |
| Jun 18, 1:31 PM EDT | Special Weather Statement | IWX | 59 min |
| Jun 21, 5:48 PM EDT | Special Weather Statement | IWX | 42 min |
| Jun 21, 5:56 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Jun 21, 9:22 PM EDT | Severe Thunderstorm Warning | IWX | 37 min |
| Jun 22, 12:13 PM EDT | Special Weather Statement | IWX | 62 min |
| Jun 22, 1:01 PM EDT | Special Weather Statement | IWX | 44 min |
| Jun 30, 6:18 PM EDT | Special Weather Statement | IWX | 57 min |
| Jul 2, 2:06 PM EDT | Mesoscale Discussion | SPC | 54 min |
| Jul 2, 2:24 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 2, 4:48 PM EDT | Severe Thunderstorm Warning | IWX | 57 min |
| Jul 2, 5:28 PM EDT | Severe Thunderstorm Warning | IWX | 62 min |
| Jul 2, 5:55 PM EDT | Severe Thunderstorm Warning | IWX | 65 min |
| Jul 2, 5:56 PM EDT | Areal Flood Advisory | IWX | 3 hr |
| Jul 2, 7:17 PM EDT | Mesoscale Discussion | SPC | 58 min |
| Jul 11, 6:37 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 11, 8:10 AM EDT | Mesoscale Discussion | SPC | 95 min |
| Jul 11, 8:50 AM EDT | Mesoscale Discussion | SPC | 55 min |
| Jul 11, 9:42 AM EDT | Severe Thunderstorm Warning | IWX | 78 min |
| Jul 11, 10:55 AM EDT | Mesoscale Discussion | SPC | 65 min |
| Jul 21, 4:19 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Jul 22, 11:56 AM EDT | Special Weather Statement | IWX | 64 min |
| Jul 22, 1:14 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 23, 6:46 PM EDT | Areal Flood Advisory | IWX | 119 min |
| Jul 29, 12:51 AM EDT | Mesoscale Discussion | SPC | 84 min |
| Jul 29, 2:15 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 29, 4:03 AM EDT | Special Weather Statement | IWX | 57 min |
| Jul 29, 5:14 AM EDT | Special Weather Statement | IWX | 61 min |
| Aug 2, 6:22 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Aug 2, 9:34 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Aug 2, 11:36 PM EDT | Severe Thunderstorm Warning | IWX | 84 min |
| Aug 3, 12:25 AM EDT | Mesoscale Discussion | SPC | 95 min |
| Aug 7, 12:14 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 7, 12:20 PM EDT | Special Weather Statement | IWX | 55 min |
| Aug 7, 8:15 PM EDT | Special Weather Statement | IWX | 30 min |
| Aug 7, 8:26 PM EDT | Severe Thunderstorm Warning | IWX | 34 min |
| Aug 9, 3:40 PM EDT | Special Weather Statement | IWX | 35 min |
| Aug 13, 12:45 PM EDT | Mesoscale Discussion | SPC | 60 min |
| Aug 13, 1:12 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Aug 13, 4:10 PM EDT | Severe Thunderstorm Warning | IWX | 65 min |
| Aug 13, 4:29 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Aug 13, 4:32 PM EDT | Areal Flood Advisory | IWX | 118 min |
| Aug 13, 5:47 PM EDT | Severe Thunderstorm Warning | IWX | 48 min |
| Aug 13, 6:14 PM EDT | Severe Thunderstorm Warning | IWX | 61 min |
| Aug 20, 12:04 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Aug 24, 4:46 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Aug 24, 7:08 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 24, 8:57 PM EDT | Severe Thunderstorm Warning | IWX | 33 min |
| Sep 3, 1:24 PM EDT | Mesoscale Discussion | SPC | 66 min |
| Sep 3, 4:05 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Sep 3, 6:00 PM EDT | Severe Thunderstorm Warning | IWX | 45 min |
| Sep 3, 6:02 PM EDT | Mesoscale Discussion | SPC | 58 min |
| Sep 29, 8:16 PM EDT | Special Weather Statement | IWX | 29 min |
| Oct 20, 10:52 AM EDT | River Flood Warning | IWX | 48 hr |
| Oct 25, 11:12 PM EDT | Special Weather Statement | IWX | 63 min |
| Oct 29, 11:50 AM EDT | Special Weather Statement | IWX | 55 min |
| Oct 29, 12:36 PM EDT | Special Weather Statement | IWX | 54 min |
| Nov 28, 11:12 PM EST | River Flood Warning | IWX | 35 hr |
| Nov 29, 9:20 AM EST | Areal Flood Warning | IWX | 12 hr |
| Nov 29, 12:02 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Dec 15, 5:03 AM EST | River Flood Warning | IWX | 5 days |
| Dec 15, 11:16 AM EST | River Flood Warning | IWX | 3 days |
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 | 20 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 13 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 32 |
| Special Weather Statement | 30 |
| Flooding | |
| Areal Flood Warning | 2 |
| River Flood Warning | 18 |
| Areal Flood Advisory | 4 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20102012
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.