Alert archive / Arkansas / Tornado Watches in 2020
Tornado Watch 56
The Storm Prediction Center issued this tornado watch at Mar 19, 2020, 2:24 PM CDT for 54 counties in Arkansas; 19 counties in Oklahoma; 24 counties in Texas. It was in force for 8 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 19, 2020, 2:24 PM CDT (19:24 UTC)
- Expired
- Mar 19, 2020, 10:00 PM CDT
- In force
- 8 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 97 counties
Baxter County, AR, Benton County, AR, Boone County, AR, Carroll County, AR, Clark County, AR, Cleburne County, AR, Columbia County, AR, Conway County, AR, Crawford County, AR, Dallas County, AR, Faulkner County, AR, Franklin 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, Little River County, AR, Logan County, AR, Lonoke County, AR, Madison County, AR, Marion County, AR, Miller 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, Sebastian County, AR, Sevier County, AR, Sharp County, AR, Stone County, AR, Van Buren County, AR, Washington County, AR, White County, AR, Woodruff County, AR, Yell County, AR, Adair County, OK, Atoka County, OK, Bryan County, OK, Carter County, OK, Cherokee County, OK, Choctaw County, OK, Coal County, OK, Haskell County, OK, Johnston County, OK, Latimer County, OK, LeFlore County, OK, Love County, OK, Marshall County, OK, McCurtain County, OK, McIntosh County, OK, Muskogee County, OK, Pittsburg County, OK, Pushmataha County, OK, Sequoyah County, OK, Bowie County, TX, Camp County, TX, Cass County, TX, Collin County, TX, Delta County, TX, Fannin County, TX, Franklin County, TX, Grayson County, TX, Gregg County, TX, Harrison County, TX, Hopkins County, TX, Hunt County, TX, Kaufman County, TX, Lamar County, TX, Marion County, TX, Morris County, TX, Rains County, TX, Red River County, TX, Rockwall County, TX, Smith County, TX, Titus County, TX, Upshur County, TX, Van Zandt County, TX, Wood County, TX
The radar
The Western Arkansas radar (KSRX), 97 km from the middle of the area, began a volume at 19:26 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
- 50%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 60%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 40%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
37 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 19, 2:32 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh, Pittsburg | 58 min |
| Mar 19, 2:52 PM CDT | Flash Flood Warning | TSA | Cherokee, McIntosh, Muskogee, Sequoyah | 3 hr |
| Mar 19, 4:17 PM CDT | Severe Thunderstorm Warning | TSA | Crawford, Sebastian | 58 min |
| Mar 19, 4:52 PM CDT | Tornado Warning | TSA | Crawford, Franklin, Sebastian | 38 min |
| Mar 19, 4:57 PM CDT | Severe Thunderstorm Warning | TSA | Haskell, LeFlore, Sequoyah | 27 min |
| Mar 19, 5:28 PM CDT | Severe Thunderstorm Warning | LZK | Polk, Scott | 62 min |
| Mar 19, 5:31 PM CDT | Severe Thunderstorm Warning | TSA | Crawford, Franklin, Madison | 44 min |
| Mar 19, 5:32 PM CDT | Severe Thunderstorm Warning | TSA | Crawford, Sebastian | 43 min |
| Mar 19, 5:48 PM CDT | Severe Thunderstorm Warning | LZK | Johnson, Newton | 42 min |
| Mar 19, 6:07 PM CDT | Severe Thunderstorm Warning | TSA | Choctaw, Pushmataha | 53 min |
| Mar 19, 6:08 PM CDT | Tornado Warning | LZK | Newton | 52 min |
| Mar 19, 6:10 PM CDT | Tornado Warning | TSA | Madison | 5 min |
| Mar 19, 6:30 PM CDT | Tornado Warning | LZK | Logan, Scott | 45 min |
| Mar 19, 6:42 PM CDT | Severe Thunderstorm Warning | LZK | Boone, Marion, Newton, Searcy | 48 min |
| Mar 19, 7:07 PM CDT | Severe Thunderstorm Warning | LZK | Polk, Scott | 38 min |
| Mar 19, 7:10 PM CDT | Tornado Warning | LZK | Baxter, Marion | 50 min |
| Mar 19, 7:13 PM CDT | Tornado Warning | LZK | Logan, Scott, Yell | 47 min |
| Mar 19, 7:24 PM CDT | Severe Thunderstorm Warning | SHV | McCurtain | 53 min |
| Mar 19, 7:35 PM CDT | Tornado Warning | LZK | Logan, Pope, Yell | 40 min |
| Mar 19, 7:50 PM CDT | Flash Flood Warning | LZK | Logan, Yell | 3 hr |
| Mar 19, 7:53 PM CDT | Tornado Warning | LZK | Logan, Pope, Yell | 22 min |
| Mar 19, 7:55 PM CDT | Tornado Warning | LZK | Baxter, Fulton | 20 min |
| Mar 19, 8:05 PM CDT | Severe Thunderstorm Warning | LZK | Polk | 40 min |
| Mar 19, 8:08 PM CDT | Tornado Warning | LZK | Conway, Pope, Van Buren | 52 min |
| Mar 19, 8:12 PM CDT | Severe Thunderstorm Warning | LZK | Johnson, Logan, Pope, Yell | 48 min |
| Mar 19, 8:22 PM CDT | Severe Thunderstorm Warning | LZK | Conway, Pope, Van Buren | 38 min |
| Mar 19, 8:28 PM CDT | Severe Thunderstorm Warning | LZK | Scott, Yell | 32 min |
| Mar 19, 8:51 PM CDT | Severe Thunderstorm Warning | LZK | Cleburne, Conway, Searcy, Stone, Van Buren | 39 min |
| Mar 19, 8:53 PM CDT | Severe Thunderstorm Warning | LZK | Garland, Montgomery, Perry, Scott, Yell | 37 min |
| Mar 19, 9:01 PM CDT | Flash Flood Warning | LZK | Conway, Pope, Searcy, Van Buren, Yell | 2 hr |
| Mar 19, 9:02 PM CDT | Severe Thunderstorm Warning | LZK | Conway, Logan, Pope, Van Buren, Yell | 44 min |
| Mar 19, 9:07 PM CDT | Tornado Warning | LZK | Conway, Pope, Yell | 38 min |
| Mar 19, 9:14 PM CDT | Tornado Warning | LZK | Conway, Pope, Van Buren | 46 min |
| Mar 19, 9:25 PM CDT | Severe Thunderstorm Warning | LZK | Fulton | 25 min |
| Mar 19, 9:27 PM CDT | Severe Thunderstorm Warning | SHV | Howard, Little River, Sevier | 33 min |
| Mar 19, 9:29 PM CDT | Tornado Warning | LZK | Independence, Izard, Sharp, Stone | 46 min |
| Mar 19, 9:30 PM CDT | Severe Thunderstorm Warning | LZK | Cleburne, Independence, Izard, Sharp, Stone | 45 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 7.4 hours before the alert went out and 228 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 545 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 176 m²/s²
- 0-3 km storm-relative helicity
- 245 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
148
WWUS20 KWNS 191922
SEL6
SPC WW 191922
ARZ000-LAZ000-OKZ000-TXZ000-200300-
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 56
NWS Storm Prediction Center Norman OK
220 PM CDT Thu Mar 19 2020
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
central and western Arkansas
northwest Louisiana
eastern Oklahoma
north central and northeast Texas
* Effective this Thursday afternoon and evening from 220 PM until
1000 PM CDT.
* Primary threats include...
A few tornadoes possible
Scattered damaging wind gusts to 70 mph likely
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
SUMMARY...Storms are expected to intensify from eastern Oklahoma and
north central Texas and continue east into the lower Mississippi
Valley. Damaging wind, a few tornadoes and large hail will be
possible with the stronger storms.
The tornado watch area is approximately along and 120 statute miles
east and west of a line from 35 miles northeast of Flippin AR to 35
miles south southeast of Dallas TX. For a complete depiction of the
watch see the associated watch outline update (WOUS64 KWNS WOU6).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and severe thunderstorms in and close to the watch
area. Persons in these areas should be on the lookout for
threatening weather conditions and listen for later statements
and possible warnings.
&&
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 2 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 24035.
...DialSPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 19, 11:05 AM CDT | Mesoscale Discussion | SPC | Baxter, Benton, Boone, Carroll, Clay, Cleburne and 21 more | 115 min |
| Mar 19, 1:58 PM CDT | Mesoscale Discussion | SPC | Garland, Hempstead, Hot Spring, Howard, Little River, Logan and 9 more | 62 min |
| Mar 19, 3:40 PM CDT | Mesoscale Discussion | SPC | Clay, Randolph | 65 min |
| Mar 19, 6:06 PM CDT | Mesoscale Discussion | SPC | Franklin, Johnson, Logan, Newton, Polk, Pope and 3 more | 84 min |
| Mar 19, 3:23 AM CDT | Mesoscale Discussion | SPC | Cleveland, Garvin, Grady, McClain, Murray, Oklahoma and 4 more | 2 hr |
| Mar 18, 8:45 PM CDT | Mesoscale Discussion | SPC | Bandera, Coke, Concho, Crockett, Edwards, Irion and 18 more | 60 min |
| Mar 18, 9:34 PM CDT | Mesoscale Discussion | SPC | Cooke, Grayson, Wise | 56 min |
| Mar 18, 11:37 PM CDT | Tornado Watch | SPC | Brown, Callahan, Coke, Coleman, Comanche, Concho and 34 more | 5 hr |
| Mar 19, 1:28 AM CDT | Mesoscale Discussion | SPC | Brown, Callahan, Coke, Coleman, Comanche, Concho and 23 more | 2 hr |
| Mar 19, 2:08 AM CDT | Mesoscale Discussion | SPC | Shackelford, Stephens | 67 min |
| Mar 19, 3:33 AM CDT | Mesoscale Discussion | SPC | Bandera, Brown, Callahan, Coleman, Comanche, Concho and 24 more | 117 min |
| Mar 19, 6:51 PM CDT | Mesoscale Discussion | SPC | Bell, Bosque, Coryell, Falls, Freestone, Hamilton and 9 more | 54 min |
Nearby
Tornado Watches in Arkansas, 2020Tornado Watches in Texas, 2020Tornado Watches in Oklahoma, 2020Every tornado 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.