Alert archive / Missouri / Lawrence County
Weather alerts in Lawrence County, Missouri, 2009
206 weather alerts in 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Lawrence County and its neighbors
Each county as a circle sized by its count in 2009. Tap one for its archive.
- Alerts
- 206
- Warnings
- 74
- Watches
- 44
- Advisories
- 38
- Busiest month
- June46 alerts
- Busiest day
- June 10, 200911 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 4 tornado warnings covering Lawrence County in 2009 had a tornado report inside them.
Lawrence County, 2009
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 4 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 34 | 18 | 47% | 8 | 88% | 32 min |
| Flash flood warnings | 14 | 9 | 36% | 5 | 100% | 347 min |
Each office's whole area, 2009
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Springfield, MO: tornado warnings | 125 | 17 | 86% | 48 | 65% | 19 min |
| NWS Springfield, MO: severe thunderstorm warnings | 398 | 172 | 57% | 548 | 78% | 31 min |
| NWS Springfield, MO: flash flood warnings | 190 | 119 | 37% | 379 | 92% | 246 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 14, 3:24 AM CST | Wind Chill Advisory | SGF | 33 hr |
| Jan 25, 4:32 AM CST | Winter Storm Watch | SGF | 23 hr |
| Jan 26, 3:19 AM CST | Winter Storm Warning | SGF | 50 hr |
| Jan 26, 6:59 PM CST | Mesoscale Discussion | SPC | 5 hr |
| Jan 29, 7:53 AM CST | Freezing Fog Advisory | SGF | 2 hr |
| Feb 8, 2:03 PM CST | Wind Advisory | SGF | 28 hr |
| Feb 9, 8:43 AM CST | Mesoscale Discussion | SPC | 32 min |
| Feb 9, 8:49 AM CST | Severe Thunderstorm Watch | SPC | 2 hr |
| Feb 9, 9:01 AM CST | Severe Thunderstorm Warning | SGF | 74 min |
| Feb 9, 3:32 PM CST | Flash Flood Watch | SGF | 44 hr |
| Feb 10, 2:18 PM CST | Wind Advisory | SGF | 23 hr |
| Feb 10, 4:50 PM CST | Mesoscale Discussion | SPC | 85 min |
| Feb 10, 5:32 PM CST | Tornado Watch | SPC | 6 hr |
| Feb 11, 8:41 AM CST | Areal Flood Warning | SGF | 8 hr |
| Feb 26, 5:19 PM CST | Severe Thunderstorm Watch | SPC | 7 hr |
| Feb 26, 6:14 PM CST | Severe Thunderstorm Warning | SGF | 47 min |
| Feb 27, 3:20 PM CST | Winter Weather Advisory | SGF | 29 hr |
| Mar 5, 9:09 AM CST | Wind Advisory | SGF | 9 hr |
| Mar 7, 10:14 AM CST | Wind Advisory | SGF | 5 hr |
| Mar 8, 5:56 AM CDT | Mesoscale Discussion | SPC | 64 min |
| Mar 8, 7:31 AM CDT | Severe Thunderstorm Warning | SGF | 59 min |
| Mar 16, 5:32 AM CDT | Dense Fog Advisory | SGF | 5 hr |
| Mar 22, 3:49 PM CDT | Wind Advisory | SGF | 48 hr |
| Mar 24, 3:22 AM CDT | Mesoscale Discussion | SPC | 83 min |
| Mar 24, 9:38 AM CDT | Mesoscale Discussion | SPC | 97 min |
| Mar 24, 10:00 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Mar 24, 11:52 AM CDT | Severe Thunderstorm Warning | SGF | 53 min |
| Mar 24, 12:02 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Mar 24, 12:20 PM CDT | Flash Flood Warning | SGF | 4 hr |
| Mar 26, 11:48 AM CDT | Winter Storm Watch | SGF | 28 hr |
| Mar 27, 3:24 PM CDT | Winter Weather Advisory | SGF | 34 hr |
| Mar 28, 5:22 AM CDT | Mesoscale Discussion | SPC | 53 min |
| Mar 28, 2:44 PM CDT | Freeze Warning | SGF | 18 hr |
| Mar 30, 10:57 AM CDT | Wind Advisory | SGF | 8 hr |
| Mar 31, 3:27 PM CDT | Frost Advisory | SGF | 18 hr |
| Apr 1, 2:20 PM CDT | Red Flag Warning | SGF | 5 hr |
| Apr 2, 3:39 PM CDT | Freeze Warning | SGF | 17 hr |
| Apr 3, 9:47 AM CDT | Freeze Watch | SGF | 53 hr |
| Apr 4, 11:07 AM CDT | Wind Advisory | SGF | 7 hr |
| Apr 5, 1:35 AM CDT | Severe Thunderstorm Warning | SGF | 40 min |
| Apr 5, 2:33 AM CDT | Freeze Watch | SGF | 25 hr |
| Apr 5, 2:33 AM CDT | Freeze Warning | SGF | 30 hr |
| Apr 5, 2:40 PM CDT | Freeze Warning | SGF | 42 hr |
| Apr 7, 3:13 AM CDT | Frost Advisory | SGF | 29 hr |
| Apr 9, 1:44 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 9, 5:39 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 9, 6:59 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Apr 9, 7:11 PM CDT | Severe Thunderstorm Warning | SGF | 64 min |
| Apr 9, 7:44 PM CDT | Severe Thunderstorm Warning | SGF | 61 min |
| Apr 9, 7:53 PM CDT | Severe Thunderstorm Warning | SGF | 52 min |
| Apr 9, 8:01 PM CDT | Tornado Warning | SGF | 21 min |
| Apr 10, 3:27 AM CDT | Frost Advisory | SGF | 29 hr |
| Apr 13, 2:43 PM CDT | Frost Advisory | SGF | 17 hr |
| Apr 14, 3:52 AM CDT | Frost Advisory | SGF | 24 hr |
| Apr 18, 4:23 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 18, 8:14 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Apr 19, 12:37 PM CDT | Areal Flood Advisory | SGF | 6 hr |
| Apr 21, 10:22 AM CDT | Red Flag Warning | SGF | 9 hr |
| Apr 23, 2:32 AM CDT | Mesoscale Discussion | SPC | 88 min |
| Apr 23, 1:36 PM CDT | Red Flag Warning | SGF | 5 hr |
| Apr 26, 3:53 AM CDT | Wind Advisory | SGF | 12 hr |
| Apr 27, 2:55 AM CDT | Flash Flood Watch | SGF | 21 hr |
| Apr 27, 12:32 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Apr 27, 12:47 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 27, 3:28 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 27, 6:03 PM CDT | Mesoscale Discussion | SPC | 27 min |
| Apr 29, 3:06 AM CDT | Flash Flood Watch | SGF | 4 days |
| May 1, 12:45 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 1, 3:00 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 1, 3:11 AM CDT | Flash Flood Warning | SGF | 6 hr |
| May 1, 3:15 AM CDT | Severe Thunderstorm Warning | SGF | 45 min |
| May 1, 7:45 AM CDT | Areal Flood Warning | SGF | 6 hr |
| May 1, 7:53 AM CDT | Severe Thunderstorm Warning | SGF | 52 min |
| May 1, 8:17 AM CDT | Severe Thunderstorm Warning | SGF | 43 min |
| May 1, 9:58 AM CDT | Severe Thunderstorm Warning | SGF | 48 min |
| May 1, 2:07 PM CDT | Areal Flood Warning | SGF | 19 hr |
| May 1, 5:55 PM CDT | Severe Thunderstorm Warning | SGF | 65 min |
| May 1, 8:44 PM CDT | Severe Thunderstorm Warning | SGF | 24 min |
| May 2, 8:56 AM CDT | Areal Flood Warning | SGF | 10 hr |
| May 2, 7:06 PM CDT | Areal Flood Advisory | SGF | 18 hr |
| May 6, 4:35 AM CDT | Dense Fog Advisory | SGF | 5 hr |
| May 7, 5:26 AM CDT | Dense Fog Advisory | SGF | 4 hr |
| May 7, 2:21 PM CDT | Flash Flood Watch | SGF | 21 hr |
| May 8, 4:31 AM CDT | Mesoscale Discussion | SPC | 59 min |
| May 8, 4:55 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 8, 7:03 AM CDT | Severe Thunderstorm Warning | SGF | 57 min |
| May 8, 7:17 AM CDT | Mesoscale Discussion | SPC | 58 min |
| May 8, 7:35 AM CDT | High Wind Warning | SGF | 4 hr |
| May 8, 7:47 AM CDT | Severe Thunderstorm Warning | SGF | 58 min |
| May 8, 7:52 AM CDT | Flash Flood Warning | SGF | 6 hr |
| May 8, 12:57 PM CDT | Areal Flood Warning | SGF | 24 hr |
| May 12, 1:22 PM CDT | Mesoscale Discussion | SPC | 53 min |
| May 12, 3:34 PM CDT | Flash Flood Watch | SGF | 35 hr |
| May 12, 6:30 PM CDT | Wind Advisory | SGF | 3 hr |
| May 13, 12:19 PM CDT | Wind Advisory | SGF | 3 hr |
| May 13, 8:22 PM CDT | Mesoscale Discussion | SPC | 53 min |
| May 13, 9:56 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 13, 10:31 PM CDT | Flash Flood Warning | SGF | 4 hr |
| May 13, 10:35 PM CDT | Severe Thunderstorm Warning | SGF | 55 min |
| May 13, 11:27 PM CDT | Mesoscale Discussion | SPC | 93 min |
| May 14, 1:50 AM CDT | Areal Flood Warning | SGF | 12 hr |
| May 15, 2:59 PM CDT | Flash Flood Watch | SGF | 13 hr |
| May 15, 6:30 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 15, 10:55 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 29, 3:16 AM CDT | Dense Fog Advisory | SGF | 4 hr |
| Jun 2, 3:29 AM CDT | Flash Flood Watch | SGF | 23 hr |
| Jun 9, 1:31 PM CDT | Tornado Watch | SPC | 8 hr |
| Jun 9, 4:44 PM CDT | Tornado Warning | SGF | 46 min |
| Jun 9, 5:34 PM CDT | Severe Thunderstorm Warning | SGF | 56 min |
| Jun 9, 6:22 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Jun 9, 6:24 PM CDT | Tornado Warning | SGF | 12 min |
| Jun 9, 6:40 PM CDT | Severe Thunderstorm Warning | SGF | 40 min |
| Jun 9, 9:15 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Jun 9, 9:46 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 9, 10:13 PM CDT | Severe Thunderstorm Warning | SGF | 62 min |
| Jun 10, 2:26 AM CDT | Mesoscale Discussion | SPC | 64 min |
| Jun 10, 3:33 AM CDT | Mesoscale Discussion | SPC | 27 min |
| Jun 10, 11:47 AM CDT | Flash Flood Watch | SGF | 18 hr |
| Jun 10, 12:30 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Jun 10, 4:51 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jun 10, 5:15 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 10, 6:03 PM CDT | Severe Thunderstorm Warning | SGF | 40 min |
| Jun 10, 6:33 PM CDT | Severe Thunderstorm Warning | SGF | 39 min |
| Jun 11, 6:40 PM CDT | Flash Flood Watch | SGF | 21 hr |
| Jun 13, 2:33 AM CDT | Dense Fog Advisory | SGF | 5 hr |
| Jun 15, 11:59 AM CDT | Mesoscale Discussion | SPC | 61 min |
| Jun 15, 12:52 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 15, 3:35 PM CDT | Flash Flood Watch | SGF | 20 hr |
| Jun 15, 3:47 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Jun 15, 6:50 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Jun 15, 10:49 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 16, 2:30 AM CDT | Mesoscale Discussion | SPC | 60 min |
| Jun 16, 4:52 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 16, 6:02 AM CDT | Mesoscale Discussion | SPC | 118 min |
| Jun 16, 7:08 AM CDT | Flash Flood Warning | SGF | 6 hr |
| Jun 16, 4:51 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jun 16, 10:48 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jun 23, 4:00 AM CDT | Heat Advisory | SGF | 42 hr |
| Jun 23, 5:25 PM CDT | Severe Thunderstorm Warning | SGF | 50 min |
| Jun 23, 5:45 PM CDT | Severe Thunderstorm Warning | SGF | 6 min |
| Jun 23, 5:55 PM CDT | Severe Thunderstorm Warning | SGF | 47 min |
| Jun 24, 1:44 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 24, 2:10 PM CDT | Severe Thunderstorm Warning | SGF | 50 min |
| Jun 24, 3:42 PM CDT | Severe Thunderstorm Warning | SGF | 33 min |
| Jun 24, 4:33 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 24, 7:40 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Jun 25, 4:05 AM CDT | Heat Advisory | SGF | 65 hr |
| Jun 30, 6:23 AM CDT | Flash Flood Warning | SGF | 4 hr |
| Jun 30, 6:35 AM CDT | Severe Thunderstorm Warning | SGF | 44 min |
| Jun 30, 7:07 AM CDT | Severe Thunderstorm Warning | SGF | 34 min |
| Jun 30, 7:57 AM CDT | Mesoscale Discussion | SPC | 93 min |
| Jul 16, 1:58 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jul 16, 3:13 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 16, 6:56 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Jul 20, 7:24 PM CDT | Flash Flood Watch | SGF | 20 hr |
| Aug 4, 3:09 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 4, 6:21 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Aug 4, 8:35 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Aug 10, 12:41 PM CDT | Flash Flood Warning | SGF | 6 hr |
| Aug 10, 1:24 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Aug 17, 12:04 PM CDT | Severe Thunderstorm Warning | SGF | 56 min |
| Aug 17, 1:44 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 19, 3:51 PM CDT | Flash Flood Watch | SGF | 12 hr |
| Aug 19, 8:14 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Aug 19, 8:48 PM CDT | Tornado Watch | SPC | 7 hr |
| Aug 19, 9:50 PM CDT | Severe Thunderstorm Warning | SGF | 55 min |
| Aug 19, 10:13 PM CDT | Tornado Warning | SGF | 32 min |
| Aug 19, 10:32 PM CDT | Severe Thunderstorm Warning | SGF | 73 min |
| Aug 19, 11:11 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Aug 19, 11:22 PM CDT | Severe Thunderstorm Warning | SGF | 53 min |
| Aug 20, 12:39 AM CDT | Flash Flood Warning | SGF | 6 hr |
| Aug 20, 1:47 AM CDT | Mesoscale Discussion | SPC | 88 min |
| Aug 20, 6:02 AM CDT | Areal Flood Warning | SGF | 27 hr |
| Aug 29, 3:02 AM CDT | Dense Fog Advisory | SGF | 6 hr |
| Sep 5, 10:03 PM CDT | Dense Fog Advisory | SGF | 12 hr |
| Sep 6, 8:39 PM CDT | Dense Fog Advisory | SGF | 13 hr |
| Sep 19, 6:42 PM CDT | Flash Flood Warning | SGF | 3 hr |
| Sep 19, 7:42 PM CDT | Flash Flood Warning | SGF | 6 hr |
| Sep 20, 2:01 AM CDT | Areal Flood Warning | SGF | 31 hr |
| Sep 21, 3:25 AM CDT | Flash Flood Watch | SGF | 24 hr |
| Sep 21, 4:00 AM CDT | Dense Fog Advisory | SGF | 5 hr |
| Sep 21, 1:26 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 21, 2:00 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Sep 21, 4:48 PM CDT | Flash Flood Warning | SGF | 6 hr |
| Sep 21, 7:44 PM CDT | Flash Flood Warning | SGF | 6 hr |
| Sep 22, 1:57 AM CDT | Areal Flood Warning | SGF | 8 hr |
| Sep 22, 9:59 AM CDT | Areal Flood Warning | SGF | 8 hr |
| Sep 25, 5:03 AM CDT | Dense Fog Advisory | SGF | 4 hr |
| Oct 1, 12:44 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Oct 1, 1:16 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Oct 1, 4:06 PM CDT | Severe Thunderstorm Warning | SGF | 21 min |
| Oct 7, 4:00 AM CDT | Flash Flood Watch | SGF | 47 hr |
| Oct 8, 12:46 PM CDT | Flash Flood Warning | SGF | 12 hr |
| Oct 9, 12:52 AM CDT | Flash Flood Warning | SGF | 9 hr |
| Oct 9, 10:00 AM CDT | Areal Flood Warning | SGF | 24 hr |
| Oct 10, 9:58 AM CDT | Areal Flood Warning | SGF | 24 hr |
| Oct 17, 2:33 AM CDT | Frost Advisory | SGF | 30 hr |
| Oct 23, 2:52 AM CDT | Frost Advisory | SGF | 30 hr |
| Oct 28, 3:30 PM CDT | Flash Flood Watch | SGF | 36 hr |
| Nov 4, 3:36 AM CST | Frost Advisory | SGF | 28 hr |
| Nov 15, 12:46 PM CST | Flood Watch | SGF | 18 hr |
| Dec 8, 2:54 PM CST | Wind Advisory | SGF | 21 hr |
| Dec 23, 3:00 AM CST | Winter Storm Watch | SGF | 25 hr |
| Dec 23, 2:56 PM CST | Winter Storm Warning | SGF | 43 hr |
| Dec 24, 8:18 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Dec 29, 3:22 PM CST | Winter Weather Advisory | SGF | 19 hr |
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 | 34 |
| Tornado Warning | 4 |
| Severe Thunderstorm Watch | 18 |
| Tornado Watch | 5 |
| Mesoscale Discussion | 50 |
| Flooding | |
| Areal Flood Warning | 12 |
| Flash Flood Warning | 14 |
| Flash Flood Watch | 15 |
| Flood Watch | 1 |
| Areal Flood Advisory | 2 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 3 |
| Winter Weather Advisory | 3 |
| Heat | |
| Heat Advisory | 2 |
| Cold | |
| Freeze Warning | 4 |
| Freeze Watch | 2 |
| Frost Advisory | 8 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 1 |
| Wind Advisory | 11 |
| Fire | |
| Red Flag Warning | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 10 |
| Freezing Fog Advisory | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20082010
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.