Alert archive / Arkansas / Tornado Warnings in 2018
Tornado Warning 1, NWS Memphis, TN
NWS Memphis, TN issued this tornado warning at Feb 24, 2018, 5:06 PM CST for Clay County, Randolph County, Arkansas. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Feb 24, 2018, 5:06 PM CST (23:06 UTC)
- Expired
- Feb 24, 2018, 5:30 PM CST
- In force
- 24 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Clay County, AR, Randolph County, AR
The radar
The Memphis radar (KNQA), 135 km from the middle of the area, began a volume at 23:08 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Feb 24, 3:16 PM CST | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Little Rock, AR (KBYH), launched 12:00Z, 11.1 hours before the alert went out and 184 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
- 42 J/kg
- Mixed-layer CIN
- -186 J/kg
- Mixed-layer LCL
- 568 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 176 m²/s²
- 0-3 km storm-relative helicity
- 196 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
218
WFUS54 KMEG 242306
TORMEG
ARC021-121-242330-
/O.NEW.KMEG.TO.W.0001.180224T2306Z-180224T2330Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Memphis TN
506 PM CST SAT FEB 24 2018
The National Weather Service in Memphis has issued a
* Tornado Warning for...
Northeastern Randolph County in eastern Arkansas...
Northwestern Clay County in eastern Arkansas...
* Until 530 PM CST
* At 505 PM CST, a severe thunderstorm producing a tornado was
located over Biggers, or 10 miles northeast of Pocahontas, moving
northeast at 65 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Datto around 510 PM CST.
Corning and Success around 515 PM CST.
McDougal around 525 PM CST.
Other locations impacted by this tornadic thunderstorm include Elkins
Park, Twin Oaks, Heelstring, Palatka and Engelerg.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a storm shelter or an interior room on the
lowest floor of a sturdy building. Avoid windows. If you are
outdoors, in a mobile home, or in a vehicle, move to the closest
substantial shelter and protect yourself from flying debris.
&&
LAT...LON 3649 9019 3627 9078 3627 9081 3624 9085
3640 9096 3650 9077
TIME...MOT...LOC 2305Z 240DEG 67KT 3636 9083
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$2 follow-up statements
729
WWUS54 KMEG 242319
SVSMEG
Severe Weather Statement
National Weather Service Memphis TN
519 PM CST SAT FEB 24 2018
ARC121-242328-
/O.CAN.KMEG.TO.W.0001.000000T0000Z-180224T2330Z/
Randolph AR-
519 PM CST SAT FEB 24 2018
...THE TORNADO WARNING FOR NORTHEASTERN RANDOLPH COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A tornado watch remains in effect until 900 PM CST for eastern
Arkansas.
LAT...LON 3649 9019 3629 9073 3630 9075 3641 9075
3641 9077 3642 9077 3642 9076 3643 9077
3650 9077
TIME...MOT...LOC 2318Z 240DEG 54KT 3644 9064
$$
ARC021-242330-
/O.CON.KMEG.TO.W.0001.000000T0000Z-180224T2330Z/
Clay AR-
519 PM CST SAT FEB 24 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CST FOR
NORTHWESTERN CLAY COUNTY...
At 518 PM CST, a severe thunderstorm producing a tornado was located
near Corning, moving northeast at 65 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Corning, Chalk Bluff Natural Area, Reyno, McDougal, Success, Datto,
Heelstring, Twin Oaks and Palatka.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a storm shelter or an interior room on the
lowest floor of a sturdy building. Avoid windows. If you are
outdoors, in a mobile home, or in a vehicle, move to the closest
substantial shelter and protect yourself from flying debris.
&&
LAT...LON 3649 9019 3629 9073 3630 9075 3641 9075
3641 9077 3642 9077 3642 9076 3643 9077
3650 9077
TIME...MOT...LOC 2318Z 240DEG 54KT 3644 9064
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$263
WWUS54 KMEG 242332
SVSMEG
Severe Weather Statement
National Weather Service Memphis TN
532 PM CST SAT FEB 24 2018
ARC021-242341-
/O.EXP.KMEG.TO.W.0001.000000T0000Z-180224T2330Z/
Clay AR-
532 PM CST SAT FEB 24 2018
...THE TORNADO WARNING FOR NORTHWESTERN CLAY COUNTY HAS EXPIRED...
The storm which prompted the warning has moved out of the area.
Therefore the warning has been allowed to expire.
A tornado watch remains in effect until 900 PM CST for eastern
Arkansas.
LAT...LON 3649 9019 3629 9073 3630 9075 3641 9075
3641 9077 3642 9077 3642 9076 3643 9077
3650 9077
TIME...MOT...LOC 2331Z 240DEG 67KT 3656 9037
$$The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 24, 9:26 AM CST | Dense Fog Advisory | MEG | Clay, Greene, Lawrence, Randolph | 4 hr |
| Feb 24, 1:32 PM CST | Flash Flood Warning | MEG | Clay, Greene, Lawrence, Randolph | 6 hr |
| Feb 24, 4:28 PM CST | Flash Flood Warning | MEG | Craighead, Cross, Poinsett | 4 hr |
| Feb 24, 4:33 PM CST | Severe Thunderstorm Warning | MEG | Craighead, Greene, Lawrence, Randolph | 42 min |
| Feb 24, 4:51 PM CST | Severe Thunderstorm Warning | MEG | Clay, Randolph | 39 min |
| Feb 24, 5:02 PM CST | Severe Thunderstorm Warning | MEG | Craighead, Poinsett | 43 min |
| Feb 24, 5:05 PM CST | Severe Thunderstorm Warning | MEG | Clay, Greene, Lawrence, Randolph | 40 min |
| Feb 24, 5:14 PM CST | Tornado Warning | MEG | Clay, Greene, Randolph | 46 min |
| Feb 24, 5:15 PM CST | Tornado Warning | MEG | Clay, Craighead, Greene, Lawrence | 24 min |
| Feb 24, 5:18 PM CST | Severe Thunderstorm Warning | MEG | Crittenden, Cross, Poinsett | 42 min |
| Feb 24, 5:29 PM CST | Tornado Warning | MEG | Craighead, Mississippi, Poinsett | 10 min |
| Feb 24, 5:34 PM CST | Severe Thunderstorm Warning | MEG | Crittenden, Cross, Lee, St. Francis | 41 min |
| Feb 24, 5:40 PM CST | Flash Flood Warning | MEG | Lee, St. Francis | 5 hr |
| Feb 24, 5:42 PM CST | Flash Flood Warning | MEG | Mississippi | 6 hr |
| Feb 24, 5:42 PM CST | Severe Thunderstorm Warning | MEG | Clay, Craighead, Crittenden, Greene, Mississippi, Poinsett | 48 min |
| Feb 24, 5:56 PM CST | Tornado Warning | MEG | Clay | 23 min |
Nearby
Tornado Warnings in Arkansas, 2018Every tornado warning in 2018Tornadoes in 2018
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.