Alert archive / Iowa / Montgomery County
Weather alerts in Montgomery County, Iowa, 2014
177 weather alerts in 2014, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Montgomery County and its neighbors
Each county as a circle sized by its count in 2014. Tap one for its archive.
- Alerts
- 177
- Warnings
- 44
- Watches
- 29
- Advisories
- 47
- Busiest month
- June46 alerts
- Busiest day
- June 4, 201410 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 Montgomery County in 2014 had a tornado report inside them.
Montgomery County, 2014
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 2 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 20 | 11 | 45% | 7 | 100% | 31 min |
| Flash flood warnings | 1 | 0 | 100% | 0 |
Each office's whole area, 2014
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Omaha, NE: tornado warnings | 29 | 15 | 48% | 36 | 81% | 16 min |
| NWS Omaha, NE: severe thunderstorm warnings | 359 | 166 | 54% | 384 | 89% | 20 min |
| NWS Omaha, NE: flash flood warnings | 35 | 18 | 49% | 30 | 87% | 73 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, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 1, 3:23 PM CST | Wind Chill Advisory | OAX | 16 hr |
| Jan 3, 2:29 PM CST | Wind Chill Watch | OAX | 25 hr |
| Jan 4, 3:14 PM CST | Wind Chill Warning | OAX | 45 hr |
| Jan 6, 12:10 PM CST | Wind Chill Advisory | OAX | 12 hr |
| Jan 13, 3:48 PM CST | Wind Advisory | OAX | 26 hr |
| Jan 15, 3:33 PM CST | Wind Advisory | OAX | 26 hr |
| Jan 16, 5:25 PM CST | Wind Advisory | OAX | 5 hr |
| Jan 17, 3:21 PM CST | Wind Advisory | OAX | 26 hr |
| Jan 20, 3:46 AM CST | Wind Advisory | OAX | 17 hr |
| Jan 22, 3:19 AM CST | Wind Chill Advisory | OAX | 31 hr |
| Jan 25, 3:45 AM CST | High Wind Watch | OAX | 24 hr |
| Jan 26, 3:45 AM CST | High Wind Warning | OAX | 17 hr |
| Jan 26, 3:45 AM CST | Wind Advisory | OAX | 20 hr |
| Jan 26, 3:59 AM CST | Wind Chill Advisory | OAX | 30 hr |
| Jan 31, 3:45 AM CST | Winter Weather Advisory | OAX | 24 hr |
| Feb 2, 3:22 PM CST | Winter Storm Watch | OAX | 22 hr |
| Feb 3, 1:32 PM CST | Winter Storm Warning | OAX | 37 hr |
| Feb 4, 3:13 AM CST | Wind Chill Advisory | OAX | 32 hr |
| Feb 5, 3:27 PM CST | Wind Chill Advisory | OAX | 20 hr |
| Feb 16, 3:45 PM CST | Winter Weather Advisory | OAX | 16 hr |
| Feb 19, 3:54 PM CST | Winter Weather Advisory | OAX | 23 hr |
| Feb 19, 4:24 PM CST | Wind Advisory | OAX | 26 hr |
| Feb 28, 3:28 PM CST | Winter Weather Advisory | OAX | 27 hr |
| Mar 1, 3:30 PM CST | Wind Chill Advisory | OAX | 20 hr |
| Mar 2, 3:47 PM CST | Wind Chill Advisory | OAX | 18 hr |
| Mar 10, 3:36 PM CDT | Wind Advisory | OAX | 29 hr |
| Mar 16, 3:30 PM CDT | Fire Weather Watch | OAX | 26 hr |
| Mar 16, 3:30 PM CDT | Red Flag Warning | OAX | 26 hr |
| Mar 21, 12:32 PM CDT | Red Flag Warning | OAX | 7 hr |
| Mar 25, 3:34 PM CDT | Wind Advisory | OAX | 28 hr |
| Mar 27, 1:39 PM CDT | Special Weather Statement | OAX | 36 min |
| Mar 30, 3:20 AM CDT | Red Flag Warning | OAX | 17 hr |
| Mar 30, 3:46 PM CDT | Fire Weather Watch | OAX | 12 hr |
| Mar 30, 3:47 PM CDT | Wind Advisory | OAX | 35 hr |
| Mar 31, 3:34 AM CDT | Red Flag Warning | OAX | 12 hr |
| Apr 3, 1:05 AM CDT | Mesoscale Discussion | SPC | 55 min |
| Apr 8, 4:10 AM CDT | Fire Weather Watch | OAX | 11 hr |
| Apr 8, 3:31 PM CDT | Red Flag Warning | OAX | 27 hr |
| Apr 12, 4:46 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Apr 12, 6:20 PM CDT | Mesoscale Discussion | SPC | 55 min |
| Apr 12, 6:22 PM CDT | Severe Thunderstorm Warning | OAX | 23 min |
| Apr 12, 6:26 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 12, 6:42 PM CDT | Severe Thunderstorm Warning | OAX | 48 min |
| Apr 12, 6:58 PM CDT | Severe Thunderstorm Warning | OAX | 47 min |
| Apr 12, 7:29 PM CDT | Severe Thunderstorm Warning | OAX | 46 min |
| Apr 12, 7:43 PM CDT | Severe Thunderstorm Warning | OAX | 47 min |
| Apr 12, 8:13 PM CDT | Severe Thunderstorm Warning | OAX | 47 min |
| Apr 12, 8:29 PM CDT | Severe Thunderstorm Warning | OAX | 31 min |
| Apr 12, 8:57 PM CDT | Severe Thunderstorm Warning | OAX | 33 min |
| Apr 12, 9:08 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Apr 13, 7:41 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 13, 9:19 AM CDT | Wind Advisory | OAX | 12 hr |
| Apr 16, 4:05 AM CDT | Red Flag Warning | OAX | 14 hr |
| Apr 16, 4:10 AM CDT | Wind Advisory | OAX | 16 hr |
| Apr 22, 3:43 PM CDT | Wind Advisory | OAX | 27 hr |
| Apr 25, 9:09 AM CDT | Red Flag Warning | OAX | 10 hr |
| Apr 27, 10:39 AM CDT | Severe Thunderstorm Warning | OAX | 36 min |
| Apr 27, 11:47 AM CDT | Special Weather Statement | OAX | 13 min |
| May 7, 7:48 PM CDT | Mesoscale Discussion | SPC | 87 min |
| May 7, 8:18 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 8, 12:23 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 8, 1:46 PM CDT | Tornado Watch | SPC | 7 hr |
| May 8, 5:56 PM CDT | Mesoscale Discussion | SPC | 94 min |
| May 10, 2:26 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 10, 3:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| May 11, 1:19 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 11, 2:58 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 11, 7:02 AM CDT | Mesoscale Discussion | SPC | 118 min |
| May 11, 8:29 AM CDT | Special Weather Statement | OAX | 46 min |
| May 11, 12:49 PM CDT | Mesoscale Discussion | SPC | 116 min |
| May 11, 2:21 PM CDT | Tornado Watch | SPC | 8 hr |
| May 11, 3:05 PM CDT | Flash Flood Watch | OAX | 10 hr |
| May 11, 6:23 PM CDT | Mesoscale Discussion | SPC | 67 min |
| May 11, 9:09 PM CDT | Severe Thunderstorm Warning | OAX | 36 min |
| May 11, 9:31 PM CDT | Mesoscale Discussion | SPC | 59 min |
| May 11, 9:44 PM CDT | Severe Thunderstorm Warning | OAX | 46 min |
| May 11, 9:56 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 11, 10:27 PM CDT | Tornado Warning | OAX | 33 min |
| May 11, 11:01 PM CDT | Mesoscale Discussion | SPC | 59 min |
| May 11, 11:12 PM CDT | Special Weather Statement | OAX | 48 min |
| May 15, 3:28 PM CDT | Frost Advisory | OAX | 16 hr |
| May 16, 3:15 PM CDT | Frost Advisory | OAX | 16 hr |
| Jun 1, 5:26 PM CDT | Severe Thunderstorm Warning | OAX | 49 min |
| Jun 1, 6:16 PM CDT | Special Weather Statement | OAX | 44 min |
| Jun 3, 3:51 AM CDT | Flash Flood Watch | OAX | 23 hr |
| Jun 3, 1:12 PM CDT | Tornado Watch | SPC | 10 hr |
| Jun 3, 4:11 PM CDT | Severe Thunderstorm Warning | OAX | 34 min |
| Jun 3, 4:37 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Jun 3, 5:03 PM CDT | Severe Thunderstorm Warning | OAX | 42 min |
| Jun 3, 5:25 PM CDT | Tornado Warning | OAX | 35 min |
| Jun 3, 5:36 PM CDT | Severe Thunderstorm Warning | OAX | 39 min |
| Jun 3, 5:59 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 3, 7:04 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Jun 3, 7:14 PM CDT | Severe Thunderstorm Warning | OAX | 46 min |
| Jun 3, 7:29 PM CDT | Flash Flood Warning | OAX | 6 hr |
| Jun 3, 7:57 PM CDT | Severe Thunderstorm Warning | OAX | 19 min |
| Jun 3, 8:13 PM CDT | Severe Thunderstorm Warning | OAX | 47 min |
| Jun 3, 8:49 PM CDT | Severe Thunderstorm Warning | OAX | 41 min |
| Jun 3, 9:09 PM CDT | Areal Flood Advisory | OAX | 3 hr |
| Jun 3, 9:41 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Jun 3, 10:14 PM CDT | Areal Flood Warning | OAX | 9 hr |
| Jun 3, 10:32 PM CDT | River Flood Warning | OAX | 47 hr |
| Jun 7, 10:04 AM CDT | Areal Flood Advisory | OAX | 116 min |
| Jun 7, 11:47 AM CDT | Areal Flood Advisory | OAX | 118 min |
| Jun 14, 4:00 AM CDT | Wind Advisory | OAX | 13 hr |
| Jun 14, 11:46 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 15, 1:10 AM CDT | Mesoscale Discussion | SPC | 95 min |
| Jun 15, 3:00 AM CDT | Mesoscale Discussion | SPC | 90 min |
| Jun 16, 10:19 AM CDT | Mesoscale Discussion | SPC | 116 min |
| Jun 19, 1:10 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jun 20, 3:47 AM CDT | Dense Fog Advisory | OAX | 4 hr |
| Jun 20, 5:40 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jun 20, 8:29 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jun 20, 8:38 PM CDT | Severe Thunderstorm Warning | OAX | 52 min |
| Jun 20, 8:51 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 20, 11:28 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jun 21, 1:16 AM CDT | Special Weather Statement | OAX | 44 min |
| Jun 21, 1:57 AM CDT | Mesoscale Discussion | SPC | 63 min |
| Jun 26, 2:54 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 27, 3:31 PM CDT | Flash Flood Watch | OAX | 17 hr |
| Jun 29, 2:02 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Jun 29, 4:04 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 29, 6:06 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jun 30, 4:06 AM CDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Jun 30, 9:08 AM CDT | Mesoscale Discussion | SPC | 67 min |
| Jun 30, 9:38 AM CDT | Tornado Watch | SPC | 10 hr |
| Jun 30, 1:27 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jun 30, 3:17 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Jul 1, 12:25 AM CDT | River Flood Warning | OAX | 31 hr |
| Jul 5, 1:54 AM CDT | Mesoscale Discussion | SPC | 96 min |
| Jul 5, 5:35 AM CDT | Special Weather Statement | OAX | 40 min |
| Jul 5, 6:39 AM CDT | Areal Flood Advisory | OAX | 3 hr |
| Jul 5, 7:14 AM CDT | Areal Flood Advisory | OAX | 5 hr |
| Jul 5, 9:23 AM CDT | River Flood Warning | OAX | 22 hr |
| Jul 5, 9:23 AM CDT | River Flood Warning | OAX | 40 hr |
| Jul 5, 12:05 PM CDT | Areal Flood Advisory | OAX | 5 hr |
| Jul 5, 3:50 PM CDT | Areal Flood Warning | OAX | 6 hr |
| Jul 7, 3:51 AM CDT | Flash Flood Watch | OAX | 18 hr |
| Jul 7, 5:39 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 7, 6:35 PM CDT | Special Weather Statement | OAX | 40 min |
| Jul 7, 7:52 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Jul 12, 3:48 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Jul 20, 3:08 PM CDT | Heat Advisory | OAX | 53 hr |
| Jul 24, 3:18 PM CDT | Heat Advisory | OAX | 28 hr |
| Aug 17, 1:32 AM CDT | Dense Fog Advisory | OAX | 6 hr |
| Aug 20, 2:40 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 27, 11:29 PM CDT | Flash Flood Watch | OAX | 11 hr |
| Aug 28, 6:13 AM CDT | Areal Flood Advisory | OAX | 2 hr |
| Aug 28, 7:07 PM CDT | Special Weather Statement | OAX | 38 min |
| Aug 28, 7:52 PM CDT | Areal Flood Advisory | OAX | 3 hr |
| Aug 28, 9:21 PM CDT | Special Weather Statement | OAX | 39 min |
| Aug 29, 12:23 AM CDT | River Flood Warning | OAX | 20 hr |
| Aug 29, 1:33 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 31, 2:20 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Aug 31, 6:07 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Aug 31, 7:12 PM CDT | Tornado Watch | SPC | 6 hr |
| Sep 9, 11:26 AM CDT | Special Weather Statement | OAX | 34 min |
| Sep 9, 12:13 PM CDT | Mesoscale Discussion | SPC | 62 min |
| Sep 9, 3:06 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Sep 9, 3:34 PM CDT | Tornado Watch | SPC | 8 hr |
| Sep 9, 3:40 PM CDT | Flash Flood Watch | OAX | 11 hr |
| Sep 9, 4:16 PM CDT | Special Weather Statement | OAX | 44 min |
| Sep 9, 5:06 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Sep 9, 9:06 PM CDT | River Flood Warning | OAX | 63 hr |
| Sep 12, 3:39 PM CDT | Frost Advisory | OAX | 17 hr |
| Sep 20, 4:46 AM CDT | Special Weather Statement | OAX | 44 min |
| Sep 20, 5:34 AM CDT | Special Weather Statement | OAX | 56 min |
| Sep 30, 5:09 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Oct 1, 9:29 AM CDT | River Flood Warning | OAX | 45 hr |
| Oct 3, 3:15 PM CDT | Freeze Warning | OAX | 17 hr |
| Oct 10, 2:55 PM CDT | Freeze Warning | OAX | 18 hr |
| Oct 24, 3:37 AM CDT | Dense Fog Advisory | OAX | 6 hr |
| Oct 25, 1:10 AM CDT | Dense Fog Advisory | OAX | 8 hr |
| Nov 10, 4:25 AM CST | Wind Advisory | OAX | 23 hr |
| Nov 14, 3:34 AM CST | Winter Weather Advisory | OAX | 44 hr |
| Dec 5, 4:12 AM CST | Dense Fog Advisory | OAX | 6 hr |
| Dec 20, 8:54 PM CST | Dense Fog Advisory | OAX | 10 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 archive20132015
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.