Alert archive / Arkansas / Marion County
Weather alerts in Marion County, Arkansas, 2018
152 weather alerts in 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Marion County and its neighbors
Each county as a circle sized by its count in 2018. Tap one for its archive.
- Alerts
- 152
- Warnings
- 44
- Watches
- 25
- Advisories
- 30
- Busiest month
- June31 alerts
- Busiest day
- July 20, 201810 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Marion County, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 31 | 19 | 39% | 11 | 91% | 8 min |
| Flash flood warnings | 3 | 0 | 100% | 0 |
Each office's whole area, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Little Rock, AR: tornado warnings | 45 | 6 | 87% | 13 | 77% | 9 min |
| NWS Little Rock, AR: severe thunderstorm warnings | 406 | 187 | 54% | 377 | 84% | 21 min |
| NWS Little Rock, AR: flash flood warnings | 139 | 53 | 62% | 109 | 94% | 89 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 8, 8:09 PM CST | Dense Fog Advisory | LZK | 13 hr |
| Jan 9, 6:51 PM CST | Dense Fog Advisory | LZK | 11 hr |
| Jan 10, 11:25 AM CST | Lake Wind Advisory | LZK | 18 hr |
| Jan 11, 3:57 AM CST | Winter Weather Advisory | LZK | 29 hr |
| Jan 11, 1:49 PM CST | Lake Wind Advisory | LZK | 22 hr |
| Jan 14, 5:52 AM CST | Winter Weather Advisory | LZK | 10 hr |
| Jan 14, 8:45 PM CST | Wind Chill Advisory | LZK | 43 hr |
| Jan 14, 9:30 PM CST | Winter Weather Advisory | LZK | 27 hr |
| Jan 21, 9:35 PM CST | Mesoscale Discussion | SPC | 115 min |
| Jan 21, 9:59 PM CST | Tornado Watch | SPC | 6 hr |
| Feb 6, 4:36 AM CST | Winter Weather Advisory | LZK | 23 hr |
| Feb 6, 6:08 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Feb 10, 9:00 PM CST | Winter Weather Advisory | LZK | 12 hr |
| Feb 18, 3:07 AM CST | Freezing Fog Advisory | LZK | 6 hr |
| Feb 19, 2:45 PM CST | Flood Watch | LZK | 5 days |
| Feb 21, 3:55 PM CST | Winter Weather Advisory | LZK | 14 hr |
| Feb 22, 4:22 AM CST | Flood Watch | LZK | 68 hr |
| Feb 24, 10:06 AM CST | Dense Fog Advisory | LZK | 3 hr |
| Feb 24, 2:16 PM CST | Severe Thunderstorm Warning | LZK | 44 min |
| Feb 24, 3:37 PM CST | Flash Flood Warning | LZK | 4 hr |
| Mar 5, 2:04 PM CST | Fire Weather Watch | LZK | 3 hr |
| Mar 5, 5:11 PM CST | Red Flag Warning | LZK | 25 hr |
| Mar 6, 2:45 AM CST | Wind Advisory | LZK | 15 hr |
| Mar 19, 4:26 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 26, 3:41 AM CDT | Flood Watch | LZK | 66 hr |
| Apr 3, 3:46 AM CDT | Freeze Warning | LZK | 29 hr |
| Apr 3, 12:57 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 3, 1:33 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 3, 2:52 PM CDT | Severe Thunderstorm Warning | LZK | 38 min |
| Apr 3, 3:28 PM CDT | Severe Thunderstorm Warning | LZK | 32 min |
| Apr 4, 6:21 PM CDT | Frost Advisory | LZK | 14 hr |
| Apr 5, 2:38 PM CDT | Freeze Watch | LZK | 12 hr |
| Apr 6, 3:00 AM CDT | Freeze Warning | LZK | 31 hr |
| Apr 7, 3:17 AM CDT | Freeze Warning | LZK | 30 hr |
| Apr 7, 10:21 AM CDT | Freeze Warning | LZK | 3 hr |
| Apr 9, 3:30 PM CDT | Freeze Warning | LZK | 18 hr |
| Apr 12, 9:24 AM CDT | Wind Advisory | LZK | 10 hr |
| Apr 13, 1:50 PM CDT | Tornado Watch | SPC | 8 hr |
| Apr 13, 5:53 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Apr 13, 7:26 PM CDT | Severe Thunderstorm Warning | LZK | 49 min |
| Apr 13, 8:05 PM CDT | Severe Thunderstorm Warning | LZK | 40 min |
| Apr 13, 8:44 PM CDT | Severe Thunderstorm Warning | LZK | 61 min |
| Apr 14, 4:12 AM CDT | Freeze Watch | LZK | 10 hr |
| Apr 14, 2:34 PM CDT | Freeze Watch | LZK | 13 hr |
| Apr 14, 2:34 PM CDT | Freeze Warning | LZK | 18 hr |
| Apr 15, 3:26 AM CDT | Freeze Warning | LZK | 30 hr |
| May 2, 10:20 PM CDT | Mesoscale Discussion | SPC | 115 min |
| May 2, 11:09 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 3, 2:32 AM CDT | Mesoscale Discussion | SPC | 88 min |
| May 3, 2:43 AM CDT | Special Weather Statement | LZK | 47 min |
| May 3, 12:35 PM CDT | Mesoscale Discussion | SPC | 85 min |
| May 3, 1:44 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| May 3, 4:52 PM CDT | Mesoscale Discussion | SPC | 53 min |
| May 6, 2:38 PM CDT | Special Weather Statement | LZK | 52 min |
| May 6, 3:00 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| May 14, 10:43 PM CDT | Special Weather Statement | LZK | 47 min |
| May 20, 7:29 PM CDT | Special Weather Statement | LZK | 46 min |
| May 20, 7:35 PM CDT | Severe Thunderstorm Warning | LZK | 40 min |
| May 22, 5:42 AM CDT | Dense Fog Advisory | LZK | 3 hr |
| May 25, 12:37 PM CDT | Special Weather Statement | LZK | 38 min |
| May 25, 6:25 PM CDT | Special Weather Statement | LZK | 50 min |
| May 31, 12:24 PM CDT | Mesoscale Discussion | SPC | 96 min |
| May 31, 7:37 PM CDT | Mesoscale Discussion | SPC | 113 min |
| May 31, 7:56 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 31, 11:22 PM CDT | Severe Thunderstorm Warning | LZK | 38 min |
| May 31, 11:49 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Jun 1, 3:56 AM CDT | Flash Flood Warning | LZK | 3 hr |
| Jun 2, 1:33 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Jun 2, 1:40 PM CDT | Severe Thunderstorm Warning | LZK | 50 min |
| Jun 2, 1:59 PM CDT | Severe Thunderstorm Warning | LZK | 46 min |
| Jun 2, 2:19 PM CDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Jun 2, 3:42 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 2, 6:31 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Jun 2, 7:11 PM CDT | Special Weather Statement | LZK | 49 min |
| Jun 2, 7:33 PM CDT | Severe Thunderstorm Warning | LZK | 42 min |
| Jun 2, 7:58 PM CDT | Severe Thunderstorm Warning | LZK | 47 min |
| Jun 8, 4:11 PM CDT | Special Weather Statement | LZK | 49 min |
| Jun 8, 4:30 PM CDT | Special Weather Statement | LZK | 30 min |
| Jun 8, 4:45 PM CDT | Severe Thunderstorm Warning | LZK | 30 min |
| Jun 8, 5:14 PM CDT | Severe Thunderstorm Warning | LZK | 31 min |
| Jun 8, 5:18 PM CDT | Flash Flood Warning | LZK | 106 min |
| Jun 8, 5:46 PM CDT | Special Weather Statement | LZK | 29 min |
| Jun 8, 6:18 PM CDT | Special Weather Statement | LZK | 27 min |
| Jun 14, 3:55 AM CDT | Special Weather Statement | LZK | 50 min |
| Jun 14, 4:44 AM CDT | Special Weather Statement | LZK | 46 min |
| Jun 24, 7:29 AM CDT | Severe Thunderstorm Warning | LZK | 46 min |
| Jun 24, 8:46 AM CDT | Special Weather Statement | LZK | 44 min |
| Jun 24, 8:50 AM CDT | Severe Thunderstorm Warning | LZK | 24 min |
| Jun 25, 10:05 PM CDT | Severe Thunderstorm Warning | LZK | 40 min |
| Jun 25, 10:45 PM CDT | Severe Thunderstorm Warning | LZK | 45 min |
| Jun 26, 5:26 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 26, 6:49 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Jun 27, 2:42 PM CDT | Heat Advisory | LZK | 3 days |
| Jul 5, 5:30 PM CDT | Special Weather Statement | LZK | 30 min |
| Jul 5, 7:01 PM CDT | Special Weather Statement | LZK | 44 min |
| Jul 10, 6:27 PM CDT | Special Weather Statement | LZK | 48 min |
| Jul 15, 2:20 PM CDT | Special Weather Statement | LZK | 25 min |
| Jul 16, 12:47 PM CDT | Special Weather Statement | LZK | 28 min |
| Jul 16, 2:20 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 19, 2:15 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 19, 7:07 PM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Jul 19, 7:19 PM CDT | Severe Thunderstorm Warning | LZK | 41 min |
| Jul 19, 7:49 PM CDT | Special Weather Statement | LZK | 41 min |
| Jul 19, 7:58 PM CDT | Severe Thunderstorm Warning | LZK | 47 min |
| Jul 19, 8:02 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Jul 19, 8:22 PM CDT | Severe Thunderstorm Warning | LZK | 38 min |
| Jul 20, 3:37 AM CDT | Heat Advisory | LZK | 17 hr |
| Jul 20, 7:49 AM CDT | Severe Thunderstorm Warning | LZK | 26 min |
| Jul 20, 8:06 AM CDT | Severe Thunderstorm Warning | LZK | 39 min |
| Jul 20, 3:46 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Jul 20, 9:08 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 21, 12:19 AM CDT | Severe Thunderstorm Warning | LZK | 41 min |
| Jul 21, 1:03 AM CDT | Severe Thunderstorm Warning | LZK | 46 min |
| Jul 21, 1:14 AM CDT | Severe Thunderstorm Warning | LZK | 46 min |
| Aug 7, 12:22 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Aug 7, 12:54 PM CDT | Special Weather Statement | LZK | 36 min |
| Aug 7, 1:02 PM CDT | Severe Thunderstorm Warning | LZK | 43 min |
| Aug 12, 5:09 PM CDT | Special Weather Statement | LZK | 51 min |
| Aug 15, 4:20 AM CDT | Flood Watch | LZK | 11 hr |
| Aug 16, 5:52 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Aug 16, 8:38 PM CDT | Special Weather Statement | LZK | 52 min |
| Aug 16, 10:58 PM CDT | Special Weather Statement | LZK | 47 min |
| Aug 19, 3:45 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 19, 4:07 PM CDT | Tornado Watch | SPC | 7 hr |
| Aug 19, 5:47 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Sep 20, 2:15 PM CDT | Flash Flood Watch | LZK | 65 hr |
| Sep 28, 3:37 AM CDT | Dense Fog Advisory | LZK | 6 hr |
| Sep 29, 2:59 AM CDT | Dense Fog Advisory | LZK | 7 hr |
| Sep 30, 3:57 AM CDT | Dense Fog Advisory | LZK | 6 hr |
| Oct 9, 12:17 PM CDT | Tornado Watch | SPC | 8 hr |
| Oct 9, 6:22 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Oct 20, 3:13 AM CDT | Frost Advisory | LZK | 30 hr |
| Oct 21, 2:39 PM CDT | Frost Advisory | LZK | 18 hr |
| Nov 7, 9:15 PM CST | Freeze Watch | LZK | 7 hr |
| Nov 8, 3:56 AM CST | Freeze Watch | LZK | 24 hr |
| Nov 8, 8:33 PM CST | Freeze Warning | LZK | 36 hr |
| Nov 11, 1:50 PM CST | Winter Weather Advisory | LZK | 28 hr |
| Nov 13, 2:57 PM CST | Winter Weather Advisory | LZK | 39 hr |
| Nov 25, 1:47 AM CST | Wind Advisory | LZK | 19 hr |
| Nov 30, 6:40 PM CST | Tornado Watch | SPC | 7 hr |
| Nov 30, 7:16 PM CST | Severe Thunderstorm Warning | LZK | 46 min |
| Nov 30, 11:20 PM CST | Mesoscale Discussion | SPC | 85 min |
| Dec 1, 12:08 AM CST | Severe Thunderstorm Warning | LZK | 52 min |
| Dec 1, 12:20 AM CST | Severe Thunderstorm Warning | LZK | 40 min |
| Dec 1, 12:52 AM CST | Severe Thunderstorm Warning | LZK | 38 min |
| Dec 1, 12:58 AM CST | Mesoscale Discussion | SPC | 2 hr |
| Dec 6, 4:22 AM CST | Winter Storm Watch | LZK | 23 hr |
| Dec 7, 3:26 AM CST | Winter Weather Advisory | LZK | 50 hr |
| Dec 7, 1:57 PM CST | Winter Storm Warning | LZK | 14 hr |
| Dec 8, 5:06 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Dec 16, 8:22 PM CST | Dense Fog Advisory | LZK | 16 hr |
| Dec 26, 1:11 PM CST | Wind Advisory | LZK | 23 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 | 31 |
| Severe Thunderstorm Watch | 7 |
| Tornado Watch | 6 |
| Mesoscale Discussion | 29 |
| Special Weather Statement | 24 |
| Flooding | |
| Flash Flood Warning | 3 |
| Flash Flood Watch | 1 |
| Flood Watch | 4 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 9 |
| Heat | |
| Heat Advisory | 2 |
| Cold | |
| Freeze Warning | 8 |
| Freeze Watch | 5 |
| Frost Advisory | 3 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| Lake Wind Advisory | 2 |
| Wind Advisory | 4 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 8 |
| Freezing Fog Advisory | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20172019
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.