Alert archive / Arkansas / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 21, NWS Little Rock, AR

February 24, 2018Monroe County, Prairie County, Woodruff County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Feb 24, 2018, 4:59 PM CST for Monroe County, Prairie County, Woodruff County, Arkansas. It was in force for 31 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, 4:59 PM CST (22:59 UTC)
Expired
Feb 24, 2018, 5:30 PM CST
In force
31 min
Issued by
NWS Little Rock, AR
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Monroe County, AR, Prairie County, AR, Woodruff County, AR

The radar

The Little Rock radar (KLZK), 89 km from the middle of the area, began a volume at 23:01 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.

IssuedProductOfficeLasted
Feb 24, 11:01 AM CSTTornado WatchSPC8 hr

The nearest sounding before it

Little Rock, AR (KBYH), launched 12:00Z, 11.0 hours before the alert went out and 124 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.

Skew-T log-pSkew-T log-p diagram, Little Rock, AR at 12:00Z on 2018-02-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 42 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 12:00Z on 2018-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 176 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

The text

As transmitted.

431 
WUUS54 KLZK 242259
SVRLZK
ARC095-117-147-242330-
/O.NEW.KLZK.SV.W.0021.180224T2259Z-180224T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Little Rock AR
459 PM CST SAT FEB 24 2018

The National Weather Service in Little Rock has issued a

* Severe Thunderstorm Warning for...
  Southern Woodruff County in eastern Arkansas...
  Northeastern Prairie County in central Arkansas...
  Northern Monroe County in eastern Arkansas...

* Until 530 PM CST

* At 458 PM CST, severe thunderstorms were located along a line
  extending from 7 miles southeast of Pryor to near Des Arc to Hazen,
  moving east at 45 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

  IMPACT...Expect damage to roofs, siding, and trees. 

* Locations impacted include...
  Brinkley...                       Des Arc...
  Hazen...                          De Valls Bluff...
  Fredonia...                       Hunter...
  Alfrey...                         Allendale...
  Dobbs Landing...                  Peppers Landing...
  Hallsville...                     Cotton Plant...
  Fargo...                          Becton...
  Howell...                         McClelland...
  Gregory...                        Dagmar WMA...
  Hilleman...                       Dixie...

This includes Interstate 40 between mile markers 192 and 218.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. These storms may cause serious injury and significant
property damage.

&&

A tornado watch remains in effect until 600 PM CST for eastern and
central Arkansas.

LAT...LON 3476 9163 3491 9156 3509 9150 3510 9146
      3509 9145 3514 9145 3514 9143 3515 9144
      3516 9146 3519 9104 3500 9104 3500 9115
      3491 9115 3491 9112 3487 9112 3486 9110
      3474 9110 3473 9105 3467 9105
TIME...MOT...LOC 2258Z 269DEG 37KT 3510 9146 3492 9151 3480 9159 

HAIL...<.75IN
WIND...60MPH
 
$$

Brown
1 follow-up statement
152 
WWUS54 KLZK 242314
SVSLZK

Severe Weather Statement
National Weather Service Little Rock AR
514 PM CST SAT FEB 24 2018

ARC095-117-147-242330-
/O.CON.KLZK.SV.W.0021.000000T0000Z-180224T2330Z/
Woodruff AR-Prairie AR-Monroe AR-
514 PM CST SAT FEB 24 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CST
FOR SOUTHEASTERN WOODRUFF...EAST CENTRAL PRAIRIE AND NORTHERN MONROE
COUNTIES...

At 514 PM CST, severe thunderstorms were located along a line
extending from 6 miles northwest of Hunter to 7 miles northwest of
Brinkley to Fredonia, moving east at 45 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to roofs, siding, and trees. 

Locations impacted include...
Brinkley...                       Clarendon...
De Valls Bluff...                 Fredonia...
Hunter...                         Alfrey...
Allendale...                      Dobbs Landing...
Peppers Landing...                Cotton Plant...
Fargo...                          Becton...
Howell...                         Monroe...
Brasfield...                      Dagmar WMA...
Keevil...                         Hilleman...
Zent...                           Wiville...

This includes Interstate 40 between mile markers 200 and 218.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. These storms may cause serious injury and significant
property damage.

&&

A tornado watch remains in effect until 600 PM CST for eastern and
central Arkansas.

LAT...LON 3474 9153 3484 9146 3494 9135 3501 9130
      3518 9123 3519 9104 3500 9104 3500 9115
      3491 9115 3491 9112 3487 9112 3486 9110
      3474 9110 3473 9105 3467 9105
TIME...MOT...LOC 2314Z 267DEG 37KT 3510 9123 3493 9132 3480 9140 

HAIL...<.75IN
WIND...60MPH
 
$$

Brown

The office that day

Everything else NWS Little Rock, AR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 24, 10:06 AM CSTDense Fog AdvisoryLZKBaxter, Cleburne, Conway, Faulkner, Fulton, Independence and 6 more3 hr
Feb 24, 10:27 AM CSTAreal Flood WarningLZKFaulkner24 hr
Feb 24, 10:44 AM CSTSpecial Weather StatementLZKScott46 min
Feb 24, 10:48 AM CSTTornado WarningLZKPolk, Scott27 min
Feb 24, 12:38 PM CSTSevere Thunderstorm WarningLZKLogan, Polk, Scott52 min
Feb 24, 12:56 PM CSTSevere Thunderstorm WarningLZKPolk34 min
Feb 24, 1:00 PM CSTSpecial Weather StatementLZKJohnson45 min
Feb 24, 1:13 PM CSTTornado WarningLZKLogan, Yell8 min
Feb 24, 1:24 PM CSTSevere Thunderstorm WarningLZKLogan, Pope, Scott, Yell51 min
Feb 24, 1:32 PM CSTSevere Thunderstorm WarningLZKMontgomery, Pike, Polk, Scott, Yell43 min
Feb 24, 1:40 PM CSTSpecial Weather StatementLZKPope, Searcy50 min
Feb 24, 2:06 PM CSTSevere Thunderstorm WarningLZKClark, Garland, Hot Spring, Montgomery, Perry, Pike and 2 more39 min
Feb 24, 2:10 PM CSTSevere Thunderstorm WarningLZKConway, Perry, Pope, Van Buren, Yell50 min
Feb 24, 2:16 PM CSTSevere Thunderstorm WarningLZKBaxter, Fulton, Izard, Marion, Searcy, Stone44 min
Feb 24, 2:37 PM CSTSevere Thunderstorm WarningLZKBaxter, Fulton38 min
Feb 24, 2:42 PM CSTSevere Thunderstorm WarningLZKClark, Dallas, Faulkner, Garland, Grant, Hot Spring and 6 more48 min
Feb 24, 2:56 PM CSTSevere Thunderstorm WarningLZKBaxter, Fulton, Independence, Izard, Sharp, Stone and 1 more49 min
Feb 24, 2:58 PM CSTSevere Thunderstorm WarningLZKConway, Faulkner, Perry, Van Buren47 min
Feb 24, 3:04 PM CSTFlash Flood WarningLZKFaulkner, Garland, Grant, Hot Spring, Jefferson, Lonoke and 5 more5 hr
Feb 24, 3:10 PM CSTFlash Flood WarningLZKCleburne, Conway, Faulkner, Perry, Pope, Saline and 5 more5 hr
Feb 24, 3:22 PM CSTTornado WarningLZKCleburne, Independence, Izard, Stone, Van Buren23 min
Feb 24, 3:25 PM CSTSevere Thunderstorm WarningLZKFaulkner, Garland, Grant, Lonoke, Perry, Pulaski and 2 more50 min
Feb 24, 3:26 PM CSTFlash Flood WarningLZKClark, Cleveland, Dallas, Garland, Grant, Hot Spring and 1 more5 hr
Feb 24, 3:33 PM CSTSevere Thunderstorm WarningLZKClark, Dallas, Grant, Hot Spring42 min
Feb 24, 3:37 PM CSTFlash Flood WarningLZKBaxter, Boone, Fulton, Independence, Izard, Jackson and 5 more4 hr
Feb 24, 3:42 PM CSTFlash Flood WarningLZKIndependence, Jackson, Monroe, Prairie, White, Woodruff5 hr
Feb 24, 3:43 PM CSTSevere Thunderstorm WarningLZKCleburne, Faulkner, White47 min
Feb 24, 4:01 PM CSTFlash Flood WarningLZKCalhoun, Dallas, Ouachita6 hr
Feb 24, 4:07 PM CSTFlash Flood WarningLZKArkansas, Bradley, Calhoun, Cleveland, Dallas, Drew and 6 more6 hr
Feb 24, 4:14 PM CSTSevere Thunderstorm WarningLZKLonoke, Prairie, Pulaski46 min
Feb 24, 4:14 PM CSTSevere Thunderstorm WarningLZKCleburne, Independence, Jackson, Sharp, Stone, White and 1 more46 min
Feb 24, 4:44 PM CSTFlash Flood WarningLZKArkansas, Desha, Drew, Jefferson, Lincoln, Monroe6 hr
Feb 24, 4:54 PM CSTSpecial Weather StatementLZKWoodruff36 min
Feb 24, 5:02 PM CSTSpecial Weather StatementLZKJackson13 min
Feb 24, 5:06 PM CSTSpecial Weather StatementLZKArkansas, Jefferson, Monroe39 min
Feb 24, 5:42 PM CSTSpecial Weather StatementLZKArkansas, Monroe48 min
Feb 24, 5:52 PM CSTSevere Thunderstorm WarningLZKArkansas, Monroe, Prairie38 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2018Every severe thunderstorm warning 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.