Alert archive / Arkansas / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 310, NWS Little Rock, AR

December 18, 2002Perry County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Dec 18, 2002, 1:33 PM CST for Perry County, Arkansas. It was in force for 32 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
Dec 18, 2002, 1:33 PM CST (19:33 UTC)
Expired
Dec 18, 2002, 2:05 PM CST
In force
32 min
Issued by
NWS Little Rock, AR
Area
Counties, with a storm outline in the text

County Perry County, AR

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 7.6 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.

Skew-T log-pSkew-T log-p diagram, Springfield, MO at 12:00Z on 2002-12-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 894 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 2002-12-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 425 square meters per square second.1939587897Sfc1 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
894 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
549 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
425 m²/s²
0-3 km storm-relative helicity
449 m²/s²
Significant tornado parameter
2.4
Supercell composite
8.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS54 KLZK 181933
SVRLIT
ARC105-182005-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LITTLE ROCK AR
133 PM CST WED DEC 18 2002

THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  PERRY COUNTY IN CENTRAL ARKANSAS

* UNTIL 205 PM CST

* AT 131 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 13 MILES SOUTHWEST OF CASA...OR ABOUT 9 MILES
  SOUTHEAST OF PLAINVIEW...MOVING NORTHEAST AT 55 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CASA AROUND 145 PM CST
  ADONA AROUND 155 PM CST

&&

A TORNADO WATCH IS IN EFFECT FOR THE WARNED AREA. REMEMBER...SEVERE
THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE
OR NO ADVANCED WARNING. REMAIN CALM...BUT BE ALERT TO RAPIDLY
CHANGING WEATHER CONDITIONS.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN LITTLE ROCK.

LAT...LON 3487 9329 3477 9322 3503 9277 3509 9303

$$

51

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 18, 9:34 AM CSTSevere Thunderstorm WarningLZKBoone31 min
Dec 18, 1:42 PM CSTSevere Thunderstorm WarningLZKGarland43 min
Dec 18, 2:08 PM CSTSevere Thunderstorm WarningLZKPerry, Saline27 min
Dec 18, 2:35 PM CSTSevere Thunderstorm WarningLZKPerry, Pulaski, Saline45 min
Dec 18, 3:01 PM CSTSevere Thunderstorm WarningLZKGarland29 min
Dec 18, 3:06 PM CSTSevere Thunderstorm WarningLZKFaulkner39 min
Dec 18, 3:17 PM CSTSevere Thunderstorm WarningLZKPerry, Pulaski, Saline33 min
Dec 18, 3:21 PM CSTSevere Thunderstorm WarningLZKPerry, Pulaski, Saline29 min
Dec 18, 3:30 PM CSTTornado WarningLZKFaulkner30 min
Dec 18, 3:31 PM CSTSevere Thunderstorm WarningLZKClark, Garland, Hot Spring, Pike44 min
Dec 18, 3:44 PM CSTTornado WarningLZKGarland31 min
Dec 18, 3:47 PM CSTTornado WarningLZKHot Spring28 min
Dec 18, 3:51 PM CSTSevere Thunderstorm WarningLZKPulaski, Saline34 min
Dec 18, 3:51 PM CSTTornado WarningLZKCleburne, White29 min
Dec 18, 3:58 PM CSTTornado WarningLZKSaline47 min
Dec 18, 4:09 PM CSTSevere Thunderstorm WarningLZKFaulkner61 min
Dec 18, 4:15 PM CSTSevere Thunderstorm WarningLZKGrant45 min
Dec 18, 4:17 PM CSTTornado WarningLZKFaulkner, White43 min
Dec 18, 4:18 PM CSTTornado WarningLZKGarland27 min
Dec 18, 4:19 PM CSTSevere Thunderstorm WarningLZKArkansas, Jefferson31 min
Dec 18, 4:19 PM CSTSevere Thunderstorm WarningLZKFaulkner51 min
Dec 18, 4:24 PM CSTTornado WarningLZKPulaski46 min
Dec 18, 4:27 PM CSTSevere Thunderstorm WarningLZKIndependence43 min
Dec 18, 4:40 PM CSTTornado WarningLZKGrant, Jefferson30 min
Dec 18, 4:49 PM CSTTornado WarningLZKIndependence, Jackson31 min
Dec 18, 4:54 PM CSTFlash Flood WarningLZKGarland3 hr
Dec 18, 4:58 PM CSTTornado WarningLZKLonoke47 min
Dec 18, 5:02 PM CSTTornado WarningLZKLonoke, White43 min
Dec 18, 5:03 PM CSTTornado WarningLZKFaulkner47 min
Dec 18, 5:10 PM CSTFlash Flood WarningLZKSaline3 hr
Dec 18, 5:11 PM CSTTornado WarningLZKDrew44 min
Dec 18, 5:21 PM CSTSevere Thunderstorm WarningLZKClark, Pike44 min
Dec 18, 5:22 PM CSTTornado WarningLZKPrairie58 min
Dec 18, 5:29 PM CSTFlash Flood WarningLZKClark, Pike3 hr
Dec 18, 5:34 PM CSTSevere Thunderstorm WarningLZKOuachita46 min
Dec 18, 5:41 PM CSTTornado WarningLZKOuachita29 min
Dec 18, 5:46 PM CSTTornado WarningLZKJackson, White, Woodruff39 min
Dec 18, 5:50 PM CSTTornado WarningLZKDesha45 min
Dec 18, 5:51 PM CSTSevere Thunderstorm WarningLZKGarland, Hot Spring44 min
Dec 18, 5:53 PM CSTTornado WarningLZKMonroe27 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2002Every severe thunderstorm warning in 2002

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.