Alert archive / Indiana / Cass County
Weather alerts in Cass County, Indiana, 2013
138 weather alerts in 2013, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Cass County and its neighbors
Each county as a circle sized by its count in 2013. Tap one for its archive.
- Alerts
- 138
- Warnings
- 39
- Watches
- 21
- Advisories
- 25
- Busiest month
- June37 alerts
- Busiest day
- June 1, 201310 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
3 of 4 tornado warnings covering Cass County in 2013 had a tornado report inside them; 5 of 6 tornado reports fell inside a warning, on average 5 minutes after it went out.
Cass County, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 4 | 3 | 25% | 6 | 83% | 5 min |
| Severe thunderstorm warnings | 12 | 8 | 33% | 6 | 83% | 9 min |
| Flash flood warnings | 3 | 1 | 67% | 0 |
Each office's whole area, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Northern Indiana: tornado warnings | 19 | 9 | 53% | 30 | 60% | 12 min |
| NWS Northern Indiana: severe thunderstorm warnings | 124 | 82 | 34% | 324 | 77% | 20 min |
| NWS Northern Indiana: flash flood warnings | 19 | 8 | 58% | 16 | 94% | 124 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 13, 5:27 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Jan 21, 4:26 AM EST | Wind Chill Advisory | IWX | 31 hr |
| Jan 26, 4:30 PM EST | Winter Weather Advisory | IWX | 12 hr |
| Jan 27, 4:07 AM EST | Freezing Rain Advisory | IWX | 23 hr |
| Jan 27, 4:49 PM EST | Flood Watch | IWX | 59 hr |
| Jan 28, 5:36 PM EST | Dense Fog Advisory | IWX | 14 hr |
| Jan 30, 12:05 AM EST | Mesoscale Discussion | SPC | 85 min |
| Feb 1, 3:48 AM EST | Wind Chill Advisory | IWX | 9 hr |
| Feb 10, 4:17 PM EST | Wind Advisory | IWX | 26 hr |
| Feb 21, 3:18 PM EST | Winter Weather Advisory | IWX | 21 hr |
| Feb 21, 8:46 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 24, 4:40 PM EST | Winter Storm Watch | IWX | 23 hr |
| Feb 25, 3:36 PM EST | Winter Weather Advisory | IWX | 42 hr |
| Feb 26, 8:03 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Mar 4, 4:14 AM EST | Winter Storm Watch | IWX | 12 hr |
| Mar 4, 4:12 PM EST | Winter Storm Warning | IWX | 36 hr |
| Mar 5, 2:36 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Mar 18, 1:00 AM EDT | Freezing Rain Advisory | IWX | 13 hr |
| Mar 23, 4:45 AM EDT | Winter Storm Watch | IWX | 24 hr |
| Mar 24, 4:47 AM EDT | Winter Storm Warning | IWX | 31 hr |
| Mar 24, 3:37 PM EDT | Mesoscale Discussion | SPC | 4 hr |
| Mar 24, 7:13 PM EDT | Mesoscale Discussion | SPC | 6 hr |
| Apr 7, 1:42 AM EDT | Special Weather Statement | IWX | 63 min |
| Apr 10, 10:06 AM EDT | River Flood Watch | IWX | 30 hr |
| Apr 10, 1:36 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Apr 10, 7:09 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Apr 10, 7:52 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 10, 8:31 PM EDT | Areal Flood Advisory | IWX | 6 hr |
| Apr 10, 9:00 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 11, 12:51 AM EDT | Mesoscale Discussion | SPC | 84 min |
| Apr 11, 1:39 AM EDT | Special Weather Statement | IWX | 51 min |
| Apr 11, 3:56 PM EDT | River Flood Warning | IWX | 8 hr |
| Apr 12, 7:30 AM EDT | River Flood Warning | IWX | 16 hr |
| Apr 17, 1:23 PM EDT | Flood Watch | IWX | 46 hr |
| Apr 17, 4:33 PM EDT | Tornado Watch | SPC | 8 hr |
| Apr 17, 7:46 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Apr 17, 7:52 PM EDT | Special Weather Statement | IWX | 38 min |
| Apr 17, 9:21 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Apr 18, 3:57 AM EDT | Wind Advisory | IWX | 16 hr |
| Apr 18, 8:25 AM EDT | Mesoscale Discussion | SPC | 95 min |
| Apr 18, 9:31 AM EDT | Tornado Watch | SPC | 7 hr |
| Apr 18, 10:17 AM EDT | Severe Thunderstorm Warning | IWX | 43 min |
| Apr 18, 3:23 PM EDT | Areal Flood Advisory | IWX | 6 hr |
| Apr 18, 9:50 PM EDT | Areal Flood Warning | IWX | 21 hr |
| Apr 18, 10:30 PM EDT | River Flood Warning | IWX | 38 hr |
| Apr 18, 11:01 PM EDT | River Flood Warning | IWX | 4 days |
| Apr 19, 11:00 AM EDT | River Flood Warning | IWX | 5 hr |
| Apr 20, 1:22 AM EDT | River Flood Warning | IWX | 11 hr |
| Apr 24, 12:23 AM EDT | Areal Flood Warning | IWX | 12 hr |
| Apr 24, 5:25 AM EDT | River Flood Warning | IWX | 40 hr |
| Apr 24, 8:26 AM EDT | River Flood Warning | IWX | 15 hr |
| May 11, 4:31 PM EDT | Special Weather Statement | IWX | 59 min |
| May 12, 4:01 AM EDT | Frost Advisory | IWX | 28 hr |
| May 20, 11:25 PM EDT | Mesoscale Discussion | SPC | 65 min |
| May 21, 12:15 AM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 27, 6:36 PM EDT | Special Weather Statement | IWX | 39 min |
| May 27, 7:24 PM EDT | Special Weather Statement | IWX | 51 min |
| May 28, 9:20 PM EDT | Mesoscale Discussion | SPC | 115 min |
| May 28, 9:36 PM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
| May 28, 11:46 PM EDT | Mesoscale Discussion | SPC | 89 min |
| May 31, 7:19 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| May 31, 7:44 PM EDT | Severe Thunderstorm Warning | IWX | 61 min |
| May 31, 8:41 PM EDT | Severe Thunderstorm Warning | IWX | 49 min |
| May 31, 9:46 PM EDT | Areal Flood Advisory | IWX | 3 hr |
| May 31, 10:15 PM EDT | Areal Flood Advisory | IWX | 3 hr |
| May 31, 11:11 PM EDT | Tornado Watch | SPC | 5 hr |
| May 31, 11:54 PM EDT | Areal Flood Advisory | IWX | 4 hr |
| Jun 1, 12:15 AM EDT | Flash Flood Warning | IWX | 6 hr |
| Jun 1, 12:42 AM EDT | Severe Thunderstorm Warning | IWX | 63 min |
| Jun 1, 1:27 AM EDT | Severe Thunderstorm Warning | IWX | 63 min |
| Jun 1, 4:59 AM EDT | River Flood Warning | IWX | 3 days |
| Jun 1, 6:11 AM EDT | Areal Flood Warning | IWX | 6 hr |
| Jun 11, 4:49 PM EDT | Mesoscale Discussion | SPC | 56 min |
| Jun 12, 11:26 AM EDT | Mesoscale Discussion | SPC | 64 min |
| Jun 12, 12:02 PM EDT | Flash Flood Watch | IWX | 20 hr |
| Jun 12, 4:38 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jun 12, 5:00 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 12, 6:56 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Jun 12, 9:47 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Jun 12, 9:49 PM EDT | Severe Thunderstorm Warning | IWX | 41 min |
| Jun 12, 10:02 PM EDT | Tornado Warning | IWX | 28 min |
| Jun 12, 10:28 PM EDT | Severe Thunderstorm Warning | IWX | 62 min |
| Jun 12, 10:47 PM EDT | Flash Flood Warning | IWX | 6 hr |
| Jun 12, 11:21 PM EDT | River Flood Warning | IWX | 3 days |
| Jun 13, 12:50 AM EDT | Mesoscale Discussion | SPC | 85 min |
| Jun 13, 5:00 AM EDT | Areal Flood Warning | IWX | 6 hr |
| Jun 21, 5:19 PM EDT | Special Weather Statement | IWX | 56 min |
| Jun 24, 7:14 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 24, 9:09 PM EDT | Special Weather Statement | IWX | 36 min |
| Jun 24, 9:11 PM EDT | Mesoscale Discussion | SPC | 64 min |
| Jun 25, 4:06 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 25, 6:49 PM EDT | Mesoscale Discussion | SPC | 56 min |
| Jun 25, 8:45 PM EDT | Severe Thunderstorm Warning | IWX | 45 min |
| Jun 25, 10:20 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Jun 26, 9:25 AM EDT | Flash Flood Watch | IWX | 10 hr |
| Jun 27, 5:15 PM EDT | Severe Thunderstorm Warning | IWX | 45 min |
| Jun 28, 1:17 PM EDT | Special Weather Statement | IWX | 28 min |
| Jun 28, 1:36 PM EDT | Mesoscale Discussion | SPC | 54 min |
| Jun 28, 1:41 PM EDT | Special Weather Statement | IWX | 34 min |
| Jul 9, 2:33 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Jul 10, 8:57 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 10, 11:53 AM EDT | Mesoscale Discussion | SPC | 67 min |
| Jul 10, 1:01 PM EDT | Special Weather Statement | IWX | 29 min |
| Jul 10, 1:23 PM EDT | Severe Thunderstorm Warning | IWX | 52 min |
| Jul 10, 1:50 PM EDT | Flash Flood Warning | IWX | 115 min |
| Jul 17, 3:46 PM EDT | Heat Advisory | IWX | 52 hr |
| Aug 2, 3:24 PM EDT | Mesoscale Discussion | SPC | 66 min |
| Aug 2, 11:02 PM EDT | Areal Flood Advisory | IWX | 3 hr |
| Aug 3, 12:02 AM EDT | Special Weather Statement | IWX | 58 min |
| Aug 7, 8:52 AM EDT | Mesoscale Discussion | SPC | 113 min |
| Aug 7, 2:46 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Aug 7, 8:52 PM EDT | Special Weather Statement | IWX | 23 min |
| Aug 23, 2:51 AM EDT | Dense Fog Advisory | IWX | 6 hr |
| Aug 29, 4:08 AM EDT | Dense Fog Advisory | IWX | 5 hr |
| Sep 19, 3:52 PM EDT | Special Weather Statement | IWX | 38 min |
| Oct 5, 1:29 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 5, 4:18 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Oct 5, 5:23 PM EDT | Special Weather Statement | IWX | 22 min |
| Oct 21, 4:28 AM EDT | Freeze Watch | IWX | 11 hr |
| Oct 21, 3:33 PM EDT | Freeze Warning | IWX | 17 hr |
| Nov 16, 3:31 PM EST | Wind Advisory | IWX | 13 hr |
| Nov 17, 4:08 AM EST | High Wind Warning | IWX | 20 hr |
| Nov 17, 11:01 AM EST | Mesoscale Discussion | SPC | 119 min |
| Nov 17, 11:20 AM EST | Tornado Watch | SPC | 9 hr |
| Nov 17, 12:20 PM EST | Special Weather Statement | IWX | 25 min |
| Nov 17, 2:13 PM EST | Mesoscale Discussion | SPC | 77 min |
| Nov 17, 2:33 PM EST | Severe Thunderstorm Warning | IWX | 42 min |
| Nov 17, 2:49 PM EST | Tornado Warning | IWX | 26 min |
| Nov 17, 3:07 PM EST | Tornado Warning | IWX | 23 min |
| Nov 17, 3:14 PM EST | Severe Thunderstorm Warning | IWX | 46 min |
| Nov 17, 3:19 PM EST | Tornado Warning | IWX | 26 min |
| Dec 8, 6:18 PM EST | Freezing Rain Advisory | IWX | 9 hr |
| Dec 12, 12:29 AM EST | Wind Chill Advisory | IWX | 11 hr |
| Dec 12, 7:26 PM EST | Winter Weather Advisory | IWX | 48 hr |
| Dec 13, 11:38 AM EST | Winter Storm Warning | IWX | 31 hr |
| Dec 19, 3:37 PM EST | Flood Watch | IWX | 60 hr |
| Dec 21, 6:04 PM EST | Areal Flood Warning | IWX | 24 hr |
| Dec 29, 1:15 PM EST | Freezing Rain Advisory | IWX | 7 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 archive20122014
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.