Alert archive / Arkansas / Howard County
Weather alerts in Howard County, Arkansas, 2010
130 weather alerts in 2010, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Howard County and its neighbors
Each county as a circle sized by its count in 2010. Tap one for its archive.
- Alerts
- 130
- Warnings
- 38
- Watches
- 20
- Advisories
- 36
- Busiest month
- May33 alerts
- Busiest day
- May 1, 201010 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 6 tornado warnings covering Howard County in 2010 had a tornado report inside them; 2 of 2 tornado reports fell inside a warning, on average 22 minutes after it went out.
Howard County, 2010
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 6 | 3 | 50% | 2 | 100% | 22 min |
| Severe thunderstorm warnings | 23 | 12 | 48% | 9 | 44% | 18 min |
| Flash flood warnings | 0 | 1 | 0% |
Each office's whole area, 2010
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Shreveport, LA: tornado warnings | 77 | 20 | 74% | 46 | 85% | 19 min |
| NWS Shreveport, LA: severe thunderstorm warnings | 288 | 152 | 47% | 358 | 77% | 21 min |
| NWS Shreveport, LA: flash flood warnings | 14 | 11 | 21% | 39 | 79% | 166 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 6, 3:57 AM CST | Winter Weather Advisory | SHV | 29 hr |
| Jan 6, 6:54 AM CST | Lake Wind Advisory | SHV | 33 hr |
| Jan 7, 5:59 AM CST | Hard Freeze Warning | SHV | 29 hr |
| Jan 7, 7:38 AM CST | Wind Chill Advisory | SHV | 8 hr |
| Jan 7, 4:19 PM CST | Wind Chill Advisory | SHV | 19 hr |
| Jan 8, 5:01 AM CST | Hard Freeze Warning | SHV | 30 hr |
| Jan 9, 4:24 AM CST | Hard Freeze Warning | SHV | 31 hr |
| Jan 19, 10:11 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Jan 20, 3:13 PM CST | Tornado Watch | SPC | 7 hr |
| Jan 20, 6:42 PM CST | Mesoscale Discussion | SPC | 93 min |
| Jan 20, 7:30 PM CST | Severe Thunderstorm Warning | SHV | 45 min |
| Jan 20, 9:20 PM CST | Mesoscale Discussion | SPC | 55 min |
| Jan 20, 9:36 PM CST | Tornado Watch | SPC | 7 hr |
| Jan 20, 11:03 PM CST | Mesoscale Discussion | SPC | 87 min |
| Jan 25, 11:08 AM CST | Lake Wind Advisory | SHV | 7 hr |
| Jan 29, 7:06 AM CST | Winter Weather Advisory | SHV | 22 hr |
| Feb 11, 5:32 AM CST | Winter Weather Advisory | SHV | 3 hr |
| Feb 11, 8:46 AM CST | Winter Storm Warning | SHV | 26 hr |
| Feb 11, 8:46 AM CST | Winter Weather Advisory | SHV | 26 hr |
| Feb 15, 3:29 AM CST | Lake Wind Advisory | SHV | 14 hr |
| Mar 10, 11:39 AM CST | Severe Thunderstorm Watch | SPC | 5 hr |
| Mar 10, 3:13 PM CST | Mesoscale Discussion | SPC | 92 min |
| Mar 10, 3:26 PM CST | Tornado Watch | SPC | 7 hr |
| Mar 10, 3:46 PM CST | Tornado Warning | SHV | 44 min |
| Mar 10, 5:36 PM CST | Severe Thunderstorm Warning | SHV | 24 min |
| Mar 19, 9:23 PM CDT | Winter Storm Watch | SHV | 6 hr |
| Mar 20, 3:13 AM CDT | Winter Storm Warning | SHV | 37 hr |
| Mar 20, 3:19 AM CDT | Lake Wind Advisory | SHV | 40 hr |
| Mar 24, 9:27 PM CDT | Lake Wind Advisory | SHV | 22 hr |
| Mar 26, 3:05 PM CDT | Lake Wind Advisory | SHV | 33 hr |
| Mar 28, 4:39 AM CDT | Lake Wind Advisory | SHV | 11 hr |
| Mar 30, 3:43 PM CDT | Lake Wind Advisory | SHV | 27 hr |
| Apr 2, 9:35 AM CDT | Mesoscale Discussion | SPC | 55 min |
| Apr 2, 8:01 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Apr 5, 10:06 PM CDT | Lake Wind Advisory | SHV | 26 hr |
| Apr 7, 2:18 PM CDT | Severe Thunderstorm Warning | SHV | 42 min |
| Apr 23, 8:28 AM CDT | Mesoscale Discussion | SPC | 62 min |
| Apr 23, 9:53 AM CDT | Tornado Watch | SPC | 7 hr |
| Apr 23, 2:50 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Apr 23, 5:24 PM CDT | Mesoscale Discussion | SPC | 36 min |
| Apr 23, 5:41 PM CDT | Tornado Watch | SPC | 9 hr |
| Apr 23, 6:46 PM CDT | Severe Thunderstorm Warning | SHV | 44 min |
| Apr 24, 1:50 AM CDT | Tornado Watch | SPC | 8 hr |
| Apr 24, 3:06 AM CDT | Lake Wind Advisory | SHV | 18 hr |
| Apr 24, 3:55 AM CDT | Severe Thunderstorm Warning | SHV | 50 min |
| Apr 28, 4:06 PM CDT | Lake Wind Advisory | SHV | 27 hr |
| Apr 30, 5:07 AM CDT | Lake Wind Advisory | SHV | 14 hr |
| Apr 30, 1:11 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 30, 1:46 PM CDT | Tornado Watch | SPC | 5 hr |
| Apr 30, 5:53 PM CDT | Mesoscale Discussion | SPC | 37 min |
| Apr 30, 6:24 PM CDT | Tornado Watch | SPC | 3 hr |
| Apr 30, 6:35 PM CDT | Severe Thunderstorm Warning | SHV | 25 min |
| Apr 30, 7:26 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 30, 8:08 PM CDT | Tornado Warning | SHV | 52 min |
| Apr 30, 9:09 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 30, 9:28 PM CDT | Tornado Warning | SHV | 47 min |
| Apr 30, 10:09 PM CDT | Tornado Warning | SHV | 51 min |
| Apr 30, 10:43 PM CDT | Mesoscale Discussion | SPC | 62 min |
| Apr 30, 11:41 PM CDT | Mesoscale Discussion | SPC | 64 min |
| May 1, 2:25 AM CDT | Mesoscale Discussion | SPC | 95 min |
| May 1, 3:18 PM CDT | Tornado Watch | SPC | 7 hr |
| May 1, 6:54 PM CDT | Severe Thunderstorm Warning | SHV | 36 min |
| May 1, 7:00 PM CDT | Severe Thunderstorm Warning | SHV | 45 min |
| May 1, 7:11 PM CDT | Mesoscale Discussion | SPC | 64 min |
| May 1, 7:21 PM CDT | Tornado Warning | SHV | 39 min |
| May 1, 7:33 PM CDT | Severe Thunderstorm Warning | SHV | 42 min |
| May 1, 8:31 PM CDT | Mesoscale Discussion | SPC | 44 min |
| May 10, 11:46 PM CDT | Severe Thunderstorm Warning | SHV | 39 min |
| May 12, 3:41 AM CDT | Lake Wind Advisory | SHV | 15 hr |
| May 14, 4:42 PM CDT | Mesoscale Discussion | SPC | 63 min |
| May 14, 4:59 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 14, 6:17 PM CDT | Severe Thunderstorm Warning | SHV | 58 min |
| May 14, 7:04 PM CDT | Mesoscale Discussion | SPC | 56 min |
| May 14, 7:08 PM CDT | Severe Thunderstorm Warning | SHV | 52 min |
| May 14, 8:09 PM CDT | Severe Thunderstorm Warning | SHV | 66 min |
| May 14, 8:54 PM CDT | Severe Thunderstorm Warning | SHV | 36 min |
| May 16, 12:34 PM CDT | Mesoscale Discussion | SPC | 86 min |
| May 16, 6:01 PM CDT | Severe Thunderstorm Warning | SHV | 49 min |
| May 19, 5:30 PM CDT | Mesoscale Discussion | SPC | 60 min |
| May 19, 9:05 PM CDT | Mesoscale Discussion | SPC | 85 min |
| May 19, 11:09 PM CDT | Mesoscale Discussion | SPC | 96 min |
| May 20, 1:54 AM CDT | Mesoscale Discussion | SPC | 66 min |
| May 20, 2:05 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 20, 10:42 AM CDT | Severe Thunderstorm Warning | SHV | 30 min |
| May 26, 6:27 PM CDT | Severe Thunderstorm Warning | SHV | 48 min |
| Jun 9, 1:07 PM CDT | Tornado Watch | SPC | 6 hr |
| Jun 9, 4:35 PM CDT | Flash Flood Watch | SHV | 35 hr |
| Jun 20, 5:30 AM CDT | Heat Advisory | SHV | 62 hr |
| Jul 6, 3:20 PM CDT | Flash Flood Watch | SHV | 61 hr |
| Jul 11, 1:11 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Jul 12, 2:24 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 14, 3:42 AM CDT | Heat Advisory | SHV | 63 hr |
| Jul 17, 3:43 PM CDT | Severe Thunderstorm Warning | SHV | 62 min |
| Jul 21, 4:03 PM CDT | Heat Advisory | SHV | 27 hr |
| Jul 25, 5:35 PM CDT | Severe Thunderstorm Warning | SHV | 55 min |
| Jul 26, 4:04 PM CDT | Severe Thunderstorm Warning | SHV | 41 min |
| Jul 27, 5:34 PM CDT | Severe Thunderstorm Warning | SHV | 56 min |
| Jul 30, 3:40 PM CDT | Heat Advisory | SHV | 4 days |
| Aug 1, 4:52 AM CDT | Excessive Heat Warning | SHV | 5 days |
| Aug 4, 3:56 PM CDT | Heat Advisory | SHV | 51 hr |
| Aug 5, 2:36 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Aug 5, 7:29 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 7, 3:38 PM CDT | Heat Advisory | SHV | 9 days |
| Aug 11, 4:28 PM CDT | Special Weather Statement | LZK | 22 min |
| Aug 14, 4:10 PM CDT | Excessive Heat Warning | SHV | 28 hr |
| Aug 15, 5:39 AM CDT | Heat Advisory | SHV | 37 hr |
| Aug 15, 1:58 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 18, 3:38 PM CDT | Heat Advisory | SHV | 5 days |
| Sep 8, 3:19 PM CDT | Tornado Warning | SHV | 41 min |
| Sep 8, 5:36 PM CDT | Tornado Watch | SPC | 7 hr |
| Sep 8, 9:52 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Oct 24, 12:51 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Oct 24, 1:51 PM CDT | Tornado Watch | SPC | 8 hr |
| Oct 24, 2:24 PM CDT | Severe Thunderstorm Warning | SHV | 36 min |
| Oct 24, 3:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Oct 24, 6:12 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Oct 25, 4:49 AM CDT | Lake Wind Advisory | SHV | 23 hr |
| Oct 26, 4:05 AM CDT | Tornado Watch | SPC | 8 hr |
| Oct 28, 4:51 AM CDT | Freeze Warning | SHV | 28 hr |
| Nov 1, 10:57 PM CDT | Severe Thunderstorm Warning | SHV | 32 min |
| Nov 3, 2:54 PM CDT | Lake Wind Advisory | SHV | 28 hr |
| Nov 20, 4:27 AM CST | Dense Fog Advisory | SHV | 5 hr |
| Nov 20, 8:16 PM CST | Dense Fog Advisory | SHV | 13 hr |
| Nov 24, 5:14 AM CST | Lake Wind Advisory | SHV | 13 hr |
| Nov 25, 3:00 AM CST | Lake Wind Advisory | SHV | 15 hr |
| Nov 30, 4:24 AM CST | Lake Wind Advisory | SHV | 12 hr |
| Dec 7, 3:19 PM CST | Winter Weather Advisory | SHV | 12 hr |
| Dec 11, 9:29 PM CST | Lake Wind Advisory | SHV | 19 hr |
| Dec 13, 9:42 PM CST | Hard Freeze Warning | SHV | 11 hr |
| Dec 30, 8:52 PM CST | Mesoscale Discussion | SPC | 113 min |
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 | 23 |
| Tornado Warning | 6 |
| Severe Thunderstorm Watch | 3 |
| Tornado Watch | 14 |
| Mesoscale Discussion | 35 |
| Special Weather Statement | 1 |
| Flooding | |
| Flash Flood Watch | 2 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 5 |
| Heat | |
| Excessive Heat Warning | 2 |
| Heat Advisory | 8 |
| Cold | |
| Freeze Warning | 1 |
| Hard Freeze Warning | 4 |
| Wind Chill Advisory | 2 |
| Wind and dust | |
| Lake Wind Advisory | 19 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20092011
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.