Alert archive / Arkansas / Severe Thunderstorm Watches in 2020
Severe Thunderstorm Watch 111
The Storm Prediction Center issued this severe thunderstorm watch at Apr 12, 2020, 5:59 PM CDT for 53 counties in Arkansas; 11 parishes in Louisiana. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 12, 2020, 5:59 PM CDT (22:59 UTC)
- Expired
- Apr 12, 2020, 9:55 PM CDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2.5 in
- Strongest gust expected
- 60 kt
All 64 counties
Arkansas County, AR, Baxter County, AR, Boone County, AR, Bradley County, AR, Calhoun County, AR, Clark County, AR, Cleburne County, AR, Cleveland County, AR, Columbia County, AR, Conway County, AR, Dallas County, AR, Desha County, AR, Drew County, AR, Faulkner County, AR, Fulton County, AR, Garland County, AR, Grant County, AR, Hempstead County, AR, Hot Spring County, AR, Howard County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Jefferson County, AR, Johnson County, AR, Lafayette County, AR, Lawrence County, AR, Lincoln County, AR, Logan County, AR, Lonoke County, AR, Marion County, AR, Monroe County, AR, Montgomery County, AR, Nevada County, AR, Newton County, AR, Ouachita County, AR, Perry County, AR, Pike County, AR, Polk County, AR, Pope County, AR, Prairie County, AR, Pulaski County, AR, Randolph County, AR, Saline County, AR, Scott County, AR, Searcy County, AR, Sharp County, AR, Stone County, AR, Union County, AR, Van Buren County, AR, White County, AR, Woodruff County, AR, Yell County, AR, Bienville Parish, LA, Bossier Parish, LA, Caddo Parish, LA, Caldwell Parish, LA, Claiborne Parish, LA, Jackson Parish, LA, Lincoln Parish, LA, Ouachita Parish, LA, Union Parish, LA, Webster Parish, LA, Winn Parish, LA
The radar
The Little Rock radar (KLZK), 13 km from the middle of the area, began a volume at 23:00 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 20%
- One or more EF2 to EF5 tornadoes
- 5%
- Ten or more severe wind reports
- 60%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 70%
- One or more hailstones of 2 inches or more
- 60%
- Six or more combined severe hail and wind reports
- 95%
Warnings issued inside it
21 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 6:06 PM CDT | Severe Thunderstorm Warning | LZK | Conway, Garland, Johnson, Logan, Montgomery, Newton and 4 more | 54 min |
| Apr 12, 6:19 PM CDT | Severe Thunderstorm Warning | SHV | Columbia, Lafayette, Miller | 56 min |
| Apr 12, 6:24 PM CDT | Severe Thunderstorm Warning | SHV | Hempstead, Howard, Little River, Sevier | 51 min |
| Apr 12, 6:38 PM CDT | Severe Thunderstorm Warning | LZK | Clark, Garland, Hot Spring, Montgomery, Pike, Polk and 1 more | 52 min |
| Apr 12, 6:55 PM CDT | Severe Thunderstorm Warning | SHV | Caddo | 50 min |
| Apr 12, 6:56 PM CDT | Severe Thunderstorm Warning | LZK | Conway, Faulkner, Garland, Johnson, Montgomery, Perry and 5 more | 49 min |
| Apr 12, 7:10 PM CDT | Severe Thunderstorm Warning | LZK | Clark, Dallas, Garland, Grant, Hot Spring, Pike and 1 more | 50 min |
| Apr 12, 7:10 PM CDT | Severe Thunderstorm Warning | SHV | Columbia, Nevada, Union | 65 min |
| Apr 12, 7:18 PM CDT | Severe Thunderstorm Warning | LZK | Bradley, Calhoun, Ouachita | 42 min |
| Apr 12, 7:18 PM CDT | Severe Thunderstorm Warning | SHV | Columbia, Lafayette, Miller | 42 min |
| Apr 12, 7:29 PM CDT | Severe Thunderstorm Warning | SHV | Bossier, Caddo, De Soto | 46 min |
| Apr 12, 7:33 PM CDT | Severe Thunderstorm Warning | LZK | Cleburne, Conway, Faulkner, Lonoke, Perry, Pope and 6 more | 57 min |
| Apr 12, 7:45 PM CDT | Severe Thunderstorm Warning | LZK | Arkansas, Cleveland, Dallas, Grant, Jefferson, Lincoln and 3 more | 45 min |
| Apr 12, 7:49 PM CDT | Severe Thunderstorm Warning | SHV | Columbia, Union | 56 min |
| Apr 12, 7:56 PM CDT | Severe Thunderstorm Warning | LZK | Bradley, Calhoun, Drew | 49 min |
| Apr 12, 8:04 PM CDT | Severe Thunderstorm Warning | SHV | Ouachita, Union | 41 min |
| Apr 12, 8:19 PM CDT | Severe Thunderstorm Warning | LZK | Cleburne, Independence, Izard, Jackson, Lonoke, Prairie and 4 more | 41 min |
| Apr 12, 8:28 PM CDT | Severe Thunderstorm Warning | LZK | Arkansas, Bradley, Cleveland, Desha, Drew, Jefferson and 5 more | 62 min |
| Apr 12, 8:37 PM CDT | Severe Thunderstorm Warning | SHV | Bienville, Bossier, Caddo, De Soto, Natchitoches, Red River and 2 more | 31 min |
| Apr 12, 8:43 PM CDT | Severe Thunderstorm Warning | LZK | Desha, Drew | 36 min |
| Apr 12, 8:53 PM CDT | Severe Thunderstorm Warning | LZK | Independence, Jackson, Lonoke, Monroe, Prairie, White and 1 more | 52 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 5:52 AM CDT | Tornado Watch | SPC | Union | 8 hr |
| Apr 12, 10:24 AM CDT | Mesoscale Discussion | SPC | Ashley, Chicot | 96 min |
| Apr 12, 10:41 AM CDT | Tornado Watch | SPC | Ashley, Bradley, Chicot, Desha, Drew | 10 hr |
| Apr 12, 2:51 PM CDT | Severe Thunderstorm Watch | SPC | Little River, Miller, Sevier | 5 hr |
| Apr 12, 4:44 PM CDT | Mesoscale Discussion | SPC | Benton, Boone, Bradley, Calhoun, Carroll, Clark and 39 more | 2 hr |
| Apr 12, 6:14 PM CDT | Mesoscale Discussion | SPC | Boone, Calhoun, Carroll, Clark, Columbia, Conway and 29 more | 91 min |
| Apr 12, 7:18 AM CDT | Mesoscale Discussion | SPC | Bienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 13 more | 87 min |
| Apr 12, 9:30 AM CDT | Mesoscale Discussion | SPC | Bienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 11 more | 90 min |
| Apr 12, 12:03 PM CDT | Mesoscale Discussion | SPC | East Carroll, Franklin, Madison, Morehouse, Richland, West Carroll | 87 min |
| Apr 12, 1:02 PM CDT | Mesoscale Discussion | SPC | Ascension, Assumption, East Baton Rouge, East Feliciana, Iberville, Livingston and 12 more | 118 min |
| Apr 12, 1:24 PM CDT | Tornado Watch | SPC | Acadia, Ascension, Assumption, East Baton Rouge, East Feliciana, Iberia and 16 more | 9 hr |
| Apr 12, 5:27 PM CDT | Mesoscale Discussion | SPC | Ascension, Assumption, East Baton Rouge, East Feliciana, Iberville, Livingston and 6 more | 63 min |
| Apr 12, 5:44 PM CDT | Mesoscale Discussion | SPC | Madison, Tensas | 91 min |
Nearby
Severe Thunderstorm Watches in Arkansas, 2020Severe Thunderstorm Watches in Louisiana, 2020Every severe thunderstorm watch in 2020
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.