Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 21, NWS Little Rock, AR

February 25, 1998Polk County, Scott County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Feb 25, 1998, 11:19 PM CST for Polk County, Scott County, Arkansas. It was in force for 61 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Feb 25, 1998, 11:19 PM CST (05:19 UTC)
Expired
Feb 26, 1998, 12:20 AM CST
In force
61 min
Issued by
NWS Little Rock, AR
Area
Whole counties

Counties Polk County, AR, Scott County, AR

What was reported inside it

TimeReportWhereRemark
Feb 26, 12:00 AM CSTHail 0.75Grannis, AR
Feb 26, 12:00 AM CSTThunderstorm Wind 50Grannis, ARThunderstorm winds blew a small out-building into an automobile.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Feb 25, 9:30 PM CSTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 5.3 hours before the alert went out and 247 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, Shreveport, LA at 00:00Z on 1998-02-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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, Shreveport, LA at 00:00Z on 1998-02-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 142 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
1 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
1619 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
142 m²/s²
0-3 km storm-relative helicity
145 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

503 
WUUS1 KLIT 260517 RRA
SVRLIT
ARC113-127-260620-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1119 PM CST WED FEB 25 1998

THE NATIONAL WEATHER SERVICE IN LITTLE ROCK AR HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1220 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN WESTERN ARKANSAS

   ...POLK COUNTY
   ...SCOTT COUNTY
 
AT 1117 PM CST...A SEVERE THUNDERSTORM WAS DETECTED BY DOPPLER
RADAR 36 MILES WEST OF WALDRON OR 14 MILES WEST OF HOWARD MOVING
NORTHEAST AT 35 MPH.

LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
HOWARD                       AROUND 1135 PM CST ...
BLACK FORK                   AROUND 1140 PM CST ...
RICH MOUNTAIN                AROUND 1145 PM CST ...
EAGLETON                     AROUND 1145 PM CST ...
BATES                        AROUND 1155 PM CST ...

THE MAIN SEVERE WEATHER THREAT IN THE WARNING AREA IS STRONG AND GUSTY
WINDS. SOME WIND DAMAGE MAY OCCUR...SUCH AS DOWNED TREES OR TREE LIMBS
AND POWER LINES. THE STORM MAY ALSO PRODUCE HAIL IN SOME AREAS. FOR
YOUR PROTECTION...GO INDOORS UNTIL THE STORM PASSES.

16/206

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Feb 25, 9:36 PM CST, 1 hour 43 minutes before
ARZ040>043-052>054-260930-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
936 PM CST WED FEB 25 1998

...SEVERE THUNDERSTORM WATCH NUMBER 63 IN EFFECT UNTIL 300 AM CST FOR
SOUTHWEST ARKANSAS...

SOUTHWEST. SCATTERED SHOWERS AND A FEW THUNDERSTORMS HAVE DEVELOPED IN
ADVANCE OF THIS APPROACHING UPPER LEVEL LOW PRESSURE SYSTEM. SOME OF
THESE THUNDERSTORMS COULD BECOME SEVERE WITH HAIL UP TO THE SIZE OF
PENNYS AND WINDS UP TO 60 MPH.

WEDNESDAY EVENING THROUGH THURSDAY AT 300 AM.

38
Special weather statement, Feb 25, 9:36 PM CST, 1 hour 43 minutes before
ARZ040>043-052>054-260930-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE LITTLE ROCK AR
936 PM CST WED FEB 25 1998

...SEVERE THUNDERSTORM WATCH NUMBER 63 IN EFFECT UNTIL 300 AM CST FOR
SOUTHWEST ARKANSAS...

AN UPPER LEVEL LOW PRESSURE SYTEM WAS APPROACHING ARKANSAS FROM THE
SOUTHWEST. SCATTERED SHOWERS AND A FEW THUNDERSTORMS HAVE DEVELOPED IN
ADVANCE OF THIS APPROACHING UPPER LEVEL LOW PRESSURE SYSTEM. SOME OF
THESE THUNDERSTORMS COULD BECOME SEVERE WITH HAIL UP TO THE SIZE OF
PENNYS AND WINDS UP TO 60 MPH AS THEY MOVE INTO SOUTHWEST ARKANSAS.

THESE THUNDERSTORMS WILL CONTINUE MOVING THROUGH THE STATE TONIGHT
BUT WEAKEN SOMEWHAT AS THEY MOVE EASTWARD.

38/16
Special weather statement, Feb 25, 9:36 PM CST, 1 hour 43 minutes before
ARZ040>043-052>054-260930-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE LITTLE ROCK AR
936 PM CST WED FEB 25 1998

...SEVERE THUNDERSTORM WATCH NUMBER 63 IN EFFECT UNTIL 300 AM CST FOR
SOUTHWEST ARKANSAS...

AN UPPER LEVEL LOW PRESSURE SYTEM WAS APPROACHING ARKANSAS FROM THE
SOUTHWEST. SCATTERED SHOWERS AND A FEW THUNDERSTORMS HAVE DEVELOPED IN
ADVANCE OF THIS APPROACHING UPPER LEVEL LOW PRESSURE SYSTEM. SOME OF
THESE THUNDERSTORMS COULD BECOME SEVERE WITH HAIL UP TO THE SIZE OF
PENNYS AND WINDS UP TO 60 MPH AS THEY MOVE INTO SOUTHWEST ARKANSAS.

THESE THUNDERSTORMS WILL CONTINUE MOVING THROUGH THE STATE TONIGHT
BUT WEAKEN SOMEWHAT AS THEY MOVE EASTWARD.

38/16
Special weather statement, Feb 25, 9:36 PM CST, 1 hour 43 minutes before
ARZ040>043-052>054-260930-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
936 PM CST WED FEB 25 1998

...SEVERE THUNDERSTORM WATCH NUMBER 63 IN EFFECT UNTIL 300 AM CST FOR
SOUTHWEST ARKANSAS...

SOUTHWEST. SCATTERED SHOWERS AND A FEW THUNDERSTORMS HAVE DEVELOPED IN
ADVANCE OF THIS APPROACHING UPPER LEVEL LOW PRESSURE SYSTEM. SOME OF
THESE THUNDERSTORMS COULD BECOME SEVERE WITH HAIL UP TO THE SIZE OF
PENNYS AND WINDS UP TO 60 MPH.

WEDNESDAY EVENING THROUGH THURSDAY AT 300 AM.

38

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 26, 12:15 AM CSTSevere Thunderstorm WarningLZKLogan60 min
Feb 26, 1:48 AM CSTSevere Thunderstorm WarningLZKPike47 min
Feb 26, 2:37 AM CSTSevere Thunderstorm WarningLZKClark48 min
Feb 26, 4:37 PM CSTSevere Thunderstorm WarningLZKLogan48 min
Feb 26, 5:34 PM CSTSevere Thunderstorm WarningLZKYell51 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1998Every severe thunderstorm warning in 1998

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.