Alert archive / Arkansas / Marion County
Weather alerts in Marion County, Arkansas, 2017
170 weather alerts in 2017, 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 2017. Tap one for its archive.
- Alerts
- 170
- Warnings
- 69
- Watches
- 20
- Advisories
- 32
- Busiest month
- April39 alerts
- Busiest day
- April 29, 201712 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 10 tornado warnings covering Marion County in 2017 had a tornado report inside them.
Marion County, 2017
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 10 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 44 | 23 | 48% | 11 | 82% | 26 min |
| Flash flood warnings | 6 | 1 | 83% | 0 |
Each office's whole area, 2017
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Little Rock, AR: tornado warnings | 53 | 6 | 89% | 19 | 47% | 21 min |
| NWS Little Rock, AR: severe thunderstorm warnings | 327 | 143 | 56% | 323 | 81% | 23 min |
| NWS Little Rock, AR: flash flood warnings | 83 | 44 | 47% | 77 | 97% | 76 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 2, 1:32 AM CST | Dense Fog Advisory | LZK | 8 hr |
| Jan 2, 5:39 PM CST | Dense Fog Advisory | LZK | 17 hr |
| Jan 9, 3:27 AM CST | Lake Wind Advisory | LZK | 39 hr |
| Jan 9, 12:06 PM CST | Wind Advisory | LZK | 30 hr |
| Jan 11, 3:50 AM CST | Lake Wind Advisory | LZK | 14 hr |
| Jan 13, 6:10 PM CST | Dense Fog Advisory | LZK | 17 hr |
| Jan 15, 12:25 AM CST | Dense Fog Advisory | LZK | 11 hr |
| Jan 15, 6:17 PM CST | Dense Fog Advisory | LZK | 14 hr |
| Jan 22, 3:22 AM CST | Lake Wind Advisory | LZK | 24 hr |
| Feb 6, 10:31 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Feb 6, 10:59 PM CST | Severe Thunderstorm Watch | SPC | 9 hr |
| Feb 6, 11:47 PM CST | Severe Thunderstorm Warning | LZK | 29 min |
| Feb 7, 12:39 AM CST | Severe Thunderstorm Warning | LZK | 51 min |
| Feb 7, 1:46 AM CST | Flash Flood Warning | LZK | 2 hr |
| Feb 9, 2:12 PM CST | Lake Wind Advisory | LZK | 28 hr |
| Feb 21, 9:31 PM CST | Dense Fog Advisory | LZK | 11 hr |
| Feb 23, 4:10 AM CST | Dense Fog Advisory | LZK | 5 hr |
| Feb 28, 1:46 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Feb 28, 2:57 PM CST | Lake Wind Advisory | LZK | 27 hr |
| Feb 28, 3:40 PM CST | Tornado Watch | SPC | 6 hr |
| Feb 28, 5:28 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Feb 28, 10:46 PM CST | Mesoscale Discussion | SPC | 119 min |
| Feb 28, 11:35 PM CST | Tornado Watch | SPC | 5 hr |
| Mar 1, 1:39 AM CST | Severe Thunderstorm Warning | LZK | 51 min |
| Mar 1, 2:27 AM CST | Severe Thunderstorm Warning | LZK | 48 min |
| Mar 6, 2:50 PM CST | Mesoscale Discussion | SPC | 85 min |
| Mar 6, 8:10 PM CST | Mesoscale Discussion | SPC | 3 hr |
| Mar 6, 9:21 PM CST | Tornado Watch | SPC | 8 hr |
| Mar 6, 11:51 PM CST | Tornado Warning | LZK | 39 min |
| Mar 6, 11:55 PM CST | Severe Thunderstorm Warning | LZK | 50 min |
| Mar 7, 12:25 AM CST | Tornado Warning | LZK | 35 min |
| Mar 7, 12:36 AM CST | Severe Thunderstorm Warning | LZK | 39 min |
| Mar 7, 12:53 AM CST | Tornado Warning | LZK | 37 min |
| Mar 9, 5:36 PM CST | Mesoscale Discussion | SPC | 84 min |
| Mar 9, 6:42 PM CST | Severe Thunderstorm Watch | SPC | 5 hr |
| Mar 9, 7:18 PM CST | Severe Thunderstorm Warning | LZK | 57 min |
| Mar 9, 7:56 PM CST | Tornado Warning | LZK | 25 min |
| Mar 9, 8:12 PM CST | Tornado Warning | LZK | 18 min |
| Mar 9, 8:28 PM CST | Severe Thunderstorm Warning | LZK | 47 min |
| Mar 9, 8:58 PM CST | Severe Thunderstorm Warning | LZK | 47 min |
| Mar 9, 9:30 PM CST | Mesoscale Discussion | SPC | 90 min |
| Mar 10, 4:51 AM CST | Freeze Warning | LZK | 22 hr |
| Mar 11, 2:46 AM CST | Freeze Warning | LZK | 29 hr |
| Mar 11, 1:37 PM CST | Winter Weather Advisory | LZK | 7 hr |
| Mar 13, 3:57 PM CDT | Freeze Watch | LZK | 227 days |
| Mar 13, 3:57 PM CDT | Freeze Warning | LZK | 18 hr |
| Mar 14, 3:50 AM CDT | Freeze Warning | LZK | 31 hr |
| Mar 15, 12:44 PM CDT | Freeze Warning | LZK | 15 hr |
| Mar 17, 6:40 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 23, 2:40 PM CDT | Lake Wind Advisory | LZK | 31 hr |
| Mar 24, 3:25 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Mar 24, 9:36 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Mar 29, 2:51 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 29, 4:17 PM CDT | Tornado Watch | SPC | 8 hr |
| Mar 29, 6:57 PM CDT | Severe Thunderstorm Warning | LZK | 48 min |
| Mar 29, 7:19 PM CDT | Tornado Warning | LZK | 29 min |
| Mar 29, 7:34 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Mar 29, 8:16 PM CDT | Severe Thunderstorm Warning | LZK | 44 min |
| Mar 29, 8:24 PM CDT | Severe Thunderstorm Warning | LZK | 24 min |
| Apr 4, 9:12 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Apr 4, 9:28 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Apr 4, 9:30 PM CDT | Lake Wind Advisory | LZK | 24 hr |
| Apr 4, 9:38 PM CDT | Severe Thunderstorm Warning | LZK | 37 min |
| Apr 4, 9:46 PM CDT | Tornado Warning | LZK | 29 min |
| Apr 4, 10:11 PM CDT | Tornado Warning | LZK | 34 min |
| Apr 4, 10:44 PM CDT | Severe Thunderstorm Warning | LZK | 31 min |
| Apr 6, 2:31 PM CDT | Frost Advisory | LZK | 19 hr |
| Apr 8, 2:58 PM CDT | Lake Wind Advisory | LZK | 29 hr |
| Apr 10, 4:30 PM CDT | Special Weather Statement | LZK | 45 min |
| Apr 10, 5:43 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 21, 2:47 PM CDT | Areal Flood Advisory | LZK | 3 hr |
| Apr 21, 9:07 PM CDT | Severe Thunderstorm Warning | LZK | 38 min |
| Apr 25, 11:48 AM CDT | Lake Wind Advisory | LZK | 7 hr |
| Apr 26, 1:42 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 26, 1:47 AM CDT | Severe Thunderstorm Warning | LZK | 43 min |
| Apr 26, 2:30 AM CDT | Severe Thunderstorm Warning | LZK | 30 min |
| Apr 26, 2:34 AM CDT | Special Weather Statement | LZK | 41 min |
| Apr 26, 4:19 AM CDT | Lake Wind Advisory | LZK | 15 hr |
| Apr 26, 6:00 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 26, 7:29 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 26, 8:39 AM CDT | Severe Thunderstorm Warning | LZK | 36 min |
| Apr 26, 9:01 AM CDT | Severe Thunderstorm Warning | LZK | 29 min |
| Apr 26, 11:16 AM CDT | Flash Flood Warning | LZK | 3 hr |
| Apr 27, 4:33 AM CDT | Flash Flood Watch | LZK | 3 days |
| Apr 28, 6:28 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 28, 10:01 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Apr 28, 10:45 PM CDT | Special Weather Statement | LZK | 45 min |
| Apr 28, 11:55 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Apr 29, 4:25 PM CDT | Severe Thunderstorm Warning | LZK | 39 min |
| Apr 29, 4:43 PM CDT | Severe Thunderstorm Warning | LZK | 32 min |
| Apr 29, 4:45 PM CDT | Flash Flood Warning | LZK | 7 hr |
| Apr 29, 4:51 PM CDT | Severe Thunderstorm Warning | LZK | 24 min |
| Apr 29, 5:13 PM CDT | Severe Thunderstorm Warning | LZK | 47 min |
| Apr 29, 5:20 PM CDT | Severe Thunderstorm Warning | LZK | 40 min |
| Apr 29, 5:21 PM CDT | Flash Flood Warning | LZK | 5 hr |
| Apr 29, 5:36 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Apr 29, 6:23 PM CDT | Severe Thunderstorm Warning | LZK | 36 min |
| Apr 30, 12:07 AM CDT | Areal Flood Warning | LZK | 9 hr |
| May 1, 4:02 AM CDT | Lake Wind Advisory | LZK | 15 hr |
| May 2, 4:19 AM CDT | Flash Flood Watch | LZK | 46 hr |
| May 3, 10:49 AM CDT | Special Weather Statement | LZK | 41 min |
| May 4, 3:09 AM CDT | Lake Wind Advisory | LZK | 16 hr |
| May 11, 2:49 PM CDT | Mesoscale Discussion | SPC | 116 min |
| May 11, 3:17 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 11, 3:59 PM CDT | Severe Thunderstorm Warning | LZK | 46 min |
| May 11, 4:15 PM CDT | Tornado Warning | LZK | 30 min |
| May 11, 4:36 PM CDT | Severe Thunderstorm Warning | LZK | 39 min |
| May 11, 5:49 PM CDT | Mesoscale Discussion | SPC | 56 min |
| May 17, 4:17 AM CDT | Lake Wind Advisory | LZK | 16 hr |
| May 18, 10:58 PM CDT | Tornado Watch | SPC | 6 hr |
| May 19, 1:28 AM CDT | Severe Thunderstorm Warning | LZK | 62 min |
| May 19, 2:10 AM CDT | Severe Thunderstorm Warning | LZK | 30 min |
| May 19, 2:13 PM CDT | Mesoscale Discussion | SPC | 92 min |
| May 19, 8:49 PM CDT | Tornado Warning | LZK | 26 min |
| May 19, 9:00 PM CDT | Severe Thunderstorm Warning | LZK | 27 min |
| May 19, 9:16 PM CDT | Mesoscale Discussion | SPC | 59 min |
| May 19, 9:42 PM CDT | Tornado Watch | SPC | 7 hr |
| May 19, 11:51 PM CDT | Mesoscale Discussion | SPC | 114 min |
| May 20, 12:26 AM CDT | Severe Thunderstorm Warning | LZK | 49 min |
| May 20, 12:58 AM CDT | Flash Flood Warning | LZK | 3 hr |
| May 27, 12:06 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 27, 12:57 AM CDT | Severe Thunderstorm Warning | LZK | 48 min |
| May 27, 1:37 AM CDT | Severe Thunderstorm Warning | LZK | 38 min |
| May 27, 2:04 AM CDT | Mesoscale Discussion | SPC | 116 min |
| May 27, 2:11 AM CDT | Severe Thunderstorm Warning | LZK | 49 min |
| May 27, 2:25 AM CDT | Severe Thunderstorm Warning | LZK | 50 min |
| May 27, 3:07 AM CDT | Severe Thunderstorm Warning | LZK | 38 min |
| May 27, 3:10 AM CDT | Flash Flood Warning | LZK | 3 hr |
| May 27, 3:54 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 27, 6:17 PM CDT | Mesoscale Discussion | SPC | 58 min |
| May 27, 7:01 PM CDT | Tornado Watch | SPC | 6 hr |
| May 27, 9:34 PM CDT | Severe Thunderstorm Warning | LZK | 41 min |
| May 27, 9:38 PM CDT | Severe Thunderstorm Warning | LZK | 52 min |
| May 27, 10:31 PM CDT | Special Weather Statement | LZK | 44 min |
| May 27, 11:21 PM CDT | Severe Thunderstorm Warning | LZK | 27 min |
| Jun 2, 3:18 AM CDT | Dense Fog Advisory | LZK | 7 hr |
| Jun 15, 8:02 AM CDT | Severe Thunderstorm Warning | LZK | 24 min |
| Jun 15, 10:54 AM CDT | Special Weather Statement | LZK | 51 min |
| Jun 17, 6:02 AM CDT | Special Weather Statement | LZK | 43 min |
| Jun 18, 8:05 AM CDT | Mesoscale Discussion | SPC | 115 min |
| Jun 23, 12:22 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 23, 1:24 PM CDT | Special Weather Statement | LZK | 36 min |
| Jun 23, 1:46 PM CDT | Severe Thunderstorm Warning | LZK | 29 min |
| Jun 23, 1:55 PM CDT | Severe Thunderstorm Warning | LZK | 35 min |
| Jun 23, 2:04 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 23, 2:16 PM CDT | Severe Thunderstorm Warning | LZK | 29 min |
| Jun 23, 2:24 PM CDT | Severe Thunderstorm Warning | LZK | 36 min |
| Jul 7, 8:54 PM CDT | Special Weather Statement | LZK | 36 min |
| Jul 19, 2:51 PM CDT | Heat Advisory | LZK | 4 days |
| Aug 17, 12:20 AM CDT | Special Weather Statement | LZK | 55 min |
| Aug 18, 3:04 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Aug 19, 2:31 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Aug 20, 1:06 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Aug 27, 11:18 PM CDT | Special Weather Statement | LZK | 42 min |
| Sep 18, 4:27 PM CDT | Special Weather Statement | LZK | 48 min |
| Oct 9, 5:56 AM CDT | Dense Fog Advisory | LZK | 4 hr |
| Oct 21, 11:56 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Oct 22, 1:13 AM CDT | Special Weather Statement | LZK | 62 min |
| Oct 22, 1:44 AM CDT | Mesoscale Discussion | SPC | 91 min |
| Oct 23, 4:07 AM CDT | Lake Wind Advisory | LZK | 15 hr |
| Oct 23, 2:39 PM CDT | Lake Wind Advisory | LZK | 28 hr |
| Oct 27, 3:50 AM CDT | Freeze Warning | LZK | 29 hr |
| Oct 27, 3:50 AM CDT | Freeze Warning | LZK | 54 hr |
| Nov 4, 3:01 AM CDT | Dense Fog Advisory | LZK | 7 hr |
| Nov 6, 10:43 AM CST | Mesoscale Discussion | SPC | 3 hr |
| Nov 17, 1:24 PM CST | Lake Wind Advisory | LZK | 29 hr |
| Dec 4, 1:26 PM CST | Mesoscale Discussion | SPC | 94 min |
| Dec 4, 5:34 PM CST | Mesoscale Discussion | SPC | 86 min |
| Dec 11, 3:26 AM CST | Red Flag Warning | LZK | 15 hr |
| Dec 30, 4:50 AM CST | Wind Chill Advisory | LZK | 3 days |
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 | 44 |
| Tornado Warning | 10 |
| Severe Thunderstorm Watch | 10 |
| Tornado Watch | 7 |
| Mesoscale Discussion | 36 |
| Special Weather Statement | 13 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 6 |
| Flash Flood Watch | 2 |
| Areal Flood Advisory | 1 |
| Winter | |
| Winter Weather Advisory | 1 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 7 |
| Freeze Watch | 1 |
| Frost Advisory | 1 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| Lake Wind Advisory | 16 |
| Wind Advisory | 1 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 10 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20162018
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.