Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 521, NWS Little Rock, AR

August 9, 1998Polk County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Aug 9, 1998, 2:36 PM CDT for Polk County, Arkansas. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 9, 1998, 2:36 PM CDT (19:36 UTC)
Expired
Aug 9, 1998, 3:25 PM CDT
In force
49 min
Issued by
NWS Little Rock, AR
Area
Whole counties

County Polk County, AR

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 7.6 hours before the alert went out and 227 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 12:00Z on 1998-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 968 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 12:00Z on 1998-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 square meters per square second.1939Sfc1 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
968 J/kg
Mixed-layer CIN
-87 J/kg
Mixed-layer LCL
1163 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
30 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.

000 
TTAA00 KLIT 091936 RRA
SVRLIT
ARC113-092025-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LITTLE ROCK AR
236 PM CDT SUN AUG 9 1998

THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  POLK COUNTY IN WESTERN ARKANSAS

* UNTIL 325 PM CDT

* AT 235 PM CDT... DOPPLER WEATHER RADAR INDICATED A SEVERE
  THUNDERSTORM 7 MILES NORTH OF MENA OR 3 MILES NORTH OF ACORN
  MOVING EAST AT 10 MPH.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
ACORN                        AROUND 240 PM CDT...
MENA                         AROUND 245 PM CDT...

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.

44/206

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

Local storm report, Aug 9, 9:56 AM CDT, 4 hours 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
956 AM CDT SUN AUG 09 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0949 AM    HARRISON                  AR   LIGHTNING
08/09/98   BOONE                          LIGHTNING STRUCK A HOUSE
                                          AND SET IT ON FIRE. POWER
                                          POLES DOWN BY LIGHTNING
&                                          STRIKE. REPORTED BY HARRISON
                                          PD.

48
Local storm report, Aug 9, 9:56 AM CDT, 4 hours 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
956 AM CDT SUN AUG 09 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0949 AM    HARRISON                  AR   LIGHTNING
08/09/98   BOONE                          LIGHTNING STRUCK A HOUSE
                                          AND SET IT ON FIRE. POWER
                                          POLES DOWN BY LIGHTNING
&                                          STRIKE. REPORTED BY HARRISON
                                          PD.

48
Local storm report, Aug 9, 10:11 AM CDT, 4 hours 25 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1011 AM CDT SUN AUG 09 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0825 AM    BELLEFONTE                AR   .75 INCH HAIL
08/09/98   BOONE                          REPORTED BY HARRISON PD.
Local storm report, Aug 9, 10:33 AM CDT, 4 hours 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1033 AM CDT SUN AUG 09 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1016 AM    HARRISON                  AR   WIND DAMAGE
08/09/98   BOONE                          ESTIMATED WINDS FROM 40 TO
                                          50 MPH BLEW A TREE ONTO A
                                          HOUSE AND SOME STREET
                                          SIGNS WERE BLOWN DOWN ALL
                                          ON THE NORTH SIDE OF
                                          HARRISON. FROM HARRISON
                                          PD.
Local storm report, Aug 9, 11:24 AM CDT, 3 hours 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1124 AM CDT SUN AUG 09 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1016 AM    HARRISON                  AR   WIND DAMAGE
08/09/98   BOONE                          EST. 50-60 MPH WINDS.
                                          OUTBUILDING DESTROYED. 2X4
                                          EMBEDDED IN ROOF AND WALL.
                                          NUMEROUS TREES DOWN.
                                          SHINGLES AND SIDING
                                          MISSING. NUMEROUS STREET
                                          SIGNS DOWN. REPORTED BY
                                          COUNTY OES.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 8, 7:15 PM CDTSevere Thunderstorm WarningLZKCleveland50 min
Aug 8, 7:30 PM CDTSevere Thunderstorm WarningLZKBaxter35 min
Aug 8, 8:17 PM CDTSevere Thunderstorm WarningLZKSearcy48 min
Aug 9, 8:36 AM CDTSevere Thunderstorm WarningLZKBoone34 min
Aug 9, 11:13 AM CDTFlash Flood WarningLZKNewton2 hr
Aug 9, 2:21 PM CDTSevere Thunderstorm WarningLZKMontgomery34 min
Aug 9, 2:41 PM CDTSevere Thunderstorm WarningLZKScott49 min
Aug 9, 3:00 PM CDTSevere Thunderstorm WarningLZKMontgomery45 min
Aug 9, 3:22 PM CDTFlash Flood WarningLZKMontgomery, Polk2 hr
Aug 9, 3:34 PM CDTSevere Thunderstorm WarningLZKHot Spring51 min
Aug 9, 3:44 PM CDTSevere Thunderstorm WarningLZKMontgomery51 min
Aug 9, 4:04 PM CDTSevere Thunderstorm WarningLZKIndependence36 min
Aug 9, 4:11 PM CDTSevere Thunderstorm WarningLZKGarland49 min
Aug 9, 4:26 PM CDTSevere Thunderstorm WarningLZKClark49 min
Aug 9, 4:43 PM CDTSevere Thunderstorm WarningLZKArkansas47 min
Aug 9, 5:10 PM CDTSevere Thunderstorm WarningLZKPulaski, Saline50 min
Aug 9, 5:40 PM CDTSevere Thunderstorm WarningLZKOuachita50 min
Aug 9, 5:47 PM CDTSevere Thunderstorm WarningLZKLonoke48 min
Aug 9, 6:01 PM CDTSevere Thunderstorm WarningLZKPulaski49 min
Aug 9, 6:21 PM CDTSevere Thunderstorm WarningLZKPrairie49 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; the sounding from the Mesonet's radiosonde archive.