Alert archive / Arkansas / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 248, NWS Little Rock, AR

July 8, 2004White County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Jul 8, 2004, 9:28 PM CDT for White County, Arkansas. It was in force for 47 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
Jul 8, 2004, 9:28 PM CDT (02:28 UTC)
Expired
Jul 8, 2004, 10:15 PM CDT
In force
47 min
Issued by
NWS Little Rock, AR
Area
Counties, with a storm outline in the text

County White County, AR

The radar

The Little Rock radar (KLZK), 66 km from the middle of the area, began a volume at 02:31 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 nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 2.5 hours before the alert went out and 260 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 00:00Z on 2004-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 215 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 00:00Z on 2004-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -12 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
215 J/kg
Mixed-layer CIN
-344 J/kg
Mixed-layer LCL
1004 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
-12 m²/s²
0-3 km storm-relative helicity
5 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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.

NWS Little Rock, AR wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 8, 8:10 PM CDT, 1 hour 18 minutes earlier.

Area forecast discussion, Jul 8, 8:10 PM CDT, 1 hour 18 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE LITTLE ROCK AR
810 PM CDT THU JUL 8 2004

.DISCUSSION...
UPDATED FORECAST TO PUT HIGHER CHANCES FOR RAIN IN MOST
AREAS...ESPECIALLY IN THE NORTHWEST HALF OF THE STATE. UPPED
RAINFALL AMOUNTS AS WELL.

MCS CONTINUES TO HEAD TOWARD CENTRAL ARKANSAS THIS EVENING FROM THE
NORTHWEST. NOTICE THAT OUTFLOW STARTING TO OUTRUN LINE OF
STORMS...SO WOULD EXPECT SOME WEAKENING TO OCCUR. THIS ALONG WITH
WEAK WINDS ALOFT WOULD SUPPORT ONLY ISOLATED SEVERE WEATHER.

PRECIPITATION SHOULD PRETTY MUCH FALL APART AFTER MIDNIGHT. CLOUDS
WILL ALSO THIN OUT...WITH PATCHY FOG FORMING.

THANKS TO SPC FOR COORDINATION. (46)
&&

.LZK WATCHES/WARNINGS/ADVISORIES...NONE.
&&

46
Hazardous weather outlook, Jul 8, 3:25 PM CDT, 6 hours 3 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE LITTLE ROCK AR
325 PM CDT THU JUL 8 2004

ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-091000-
ARKANSAS-BAXTER-BOONE-BRADLEY-CALHOUN-CLARK-CLEBURNE-CLEVELAND-
CONWAY-DALLAS-DESHA-DREW-FAULKNER-FULTON-GARLAND-GRANT-HOT SPRING-
INDEPENDENCE-IZARD-JACKSON-JEFFERSON-JOHNSON-LINCOLN-LOGAN-LONOKE-
MARION-MONROE-MONTGOMERY-NEWTON-OUACHITA-PERRY-PIKE-POLK-POPE-
PRAIRIE-PULASKI-SALINE-SCOTT-SEARCY-SHARP-STONE-VAN BUREN-WHITE-
WOODRUFF-YELL-
325 PM CDT THU JUL 8 2004

THIS HAZARDOUS WEATHER OUTLOOK COVERS A LARGE PART OF ARKANSAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT

A SYSTEM ALOFT WAS MOVING INTO SOUTHWEST MISSOURI FROM KANSAS EARLY
THIS AFTERNOON. AHEAD OF THE SYSTEM...A LINE OF STRONG TO SEVERE
THUNDERSTORMS WAS DEVELOPING...WITH THE LINE EXPECTED TO PUSH INTO
NORTHERN AND PERHAPS CENTRAL ARKANSAS THROUGH THIS EVENING.

THE LINE OF THUNDERSTORMS IS EXPECTED TO PRODUCE STRONG TO DAMAGING
WINDS...WITH HAIL IN SOME AREAS. THIS WOULD INCLUDE AREAS NORTH AND
WEST OF MENA...CONWAY AND HARDY.

ELSEWHERE...ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS WILL
CONTINUE POPPING UP THROUGH THIS EVENING. WITH A SLOW MOVEMENT AND A
MOIST ATMOSPHERE...THE STORMS WILL TEND TO PRODUCE HEAVY
RAINFALL...WITH FLASH FLOODING POSSIBLE IN A FEW SPOTS.

OVERNIGHT...ALL PRECIPITATION SHOULD DISSIPATE BY MIDNIGHT OR
SO...WITH PATCHY FOG DEVELOPING AFTER MIDNIGHT.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

A WEAK AREA OF LOW PRESSURE FROM TEXAS INTO NORTHERN AND WESTERN
ARKANSAS WILL BRING SCATTERED AFTERNOON AND EVENING SHOWERS AND
THUNDERSTORMS ON FRIDAY.

OTHERWISE...HIGH PRESSURE WILL BUILD ALOFT THIS WEEKEND AND INTO
NEXT WEEK...WITH HOT AND MOSTLY DRY CONDITIONS IN THE FORECAST.
ONLY ISOLATED AFTERNOON AND EVENING THUNDERSTORMS ARE EXPECTED.

WHILE STORMS WILL BE ISOLATED...THEY MAY PRODUCE STRONG WIND GUSTS.
THE STORMS WILL MOVE SLOWLY...WITH LOCALLY HEAVY RAINFALL EXPECTED.

THUNDERSTORM COMPLEXES FROM THE PLAINS...WHICH HAVE AFFECTED MUCH OF
ARKANSAS RECENTLY...WILL TEND TO MOVE NORTH OF THE REGION WITH HIGH
PRESSURE IN PLACE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED THIS EVENING IN NORTHERN AND
CENTRAL ARKANSAS AS A LINE OF STORMS ARRIVES FROM MISSOURI.

46

In the hours before

Local storm report, Jul 8, 5:27 PM CDT, 4 hours 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
527 PM CDT THU JUL 08 2004

..TIME...   ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE...   ....MAG....     ..COUNTY LOCATION...ST.. ...SOURCE....
            ..REMARKS..

0430 PM     HAIL             MCRAE                   35.11N 91.82W
07/08/2004  0.75 INCH        WHITE              AR   PUBLIC

&&

44
Local storm report, Jul 8, 7:11 PM CDT, 2 hours 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
711 PM CDT THU JUL 08 2004

..TIME...   ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE...   ....MAG....     ..COUNTY LOCATION...ST.. ...SOURCE....
            ..REMARKS..

0655 PM     TSTM WND DMG     CLARKSVILLE             35.46N 93.47W
07/08/2004                   JOHNSON            AR   LAW ENFORCEMENT

            TREES DOWN IN CLARKSVILLE

&&

220
Local storm report, Jul 8, 8:46 PM CDT, 42 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
846 PM CDT THU JUL 08 2004

..TIME...   ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE...   ....MAG....     ..COUNTY LOCATION...ST.. ...SOURCE....
            ..REMARKS..

0635 PM     TSTM WND DMG     5 NW CLARKSVILLE        35.51N 93.54W
07/08/2004                   JOHNSON            AR   LAW ENFORCEMENT

            TREES DOWN ON HWY 103

0640 PM     HAIL             3 W CLARKSVILLE         35.46N 93.53W
07/08/2004  0.75 INCH        JOHNSON            AR   LAW ENFORCEMENT

0645 PM     TSTM WND DMG     5 W CLARKSVILLE         35.46N 93.56W
07/08/2004                   JOHNSON            AR   LAW ENFORCEMENT

            TREES DOWN ON HWY 352

0730 PM     TSTM WND DMG     LONDON                  35.33N 93.25W
07/08/2004                   POPE               AR   LAW ENFORCEMENT

            TREES DOWN IN LONDON

0750 PM     TSTM WND DMG     DANVILLE                35.05N 93.39W
07/08/2004                   YELL               AR   LAW ENFORCEMENT

            TREES DOWN IN DANVILLE

0800 PM     TSTM WND DMG     BLUFFTON                34.90N 93.60W
07/08/2004                   YELL               AR   LAW ENFORCEMENT

            TREES DOWN IN BLUFFTON

&&

220

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 7:02 PM CDTSevere Thunderstorm WarningLZKJohnson, Logan43 min
Jul 8, 7:05 PM CDTSevere Thunderstorm WarningLZKPope60 min
Jul 8, 7:18 PM CDTSevere Thunderstorm WarningLZKYell57 min
Jul 8, 7:24 PM CDTFlash Flood WarningLZKJohnson2 hr
Jul 8, 7:53 PM CDTSevere Thunderstorm WarningLZKVan Buren62 min
Jul 8, 8:41 PM CDTSevere Thunderstorm WarningLZKIzard, Stone49 min
Jul 8, 9:03 PM CDTSevere Thunderstorm WarningLZKLonoke, Pulaski47 min
Jul 8, 9:52 PM CDTSevere Thunderstorm WarningLZKDallas58 min
Jul 8, 9:55 PM CDTSevere Thunderstorm WarningLZKCleveland60 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2004Every severe thunderstorm warning in 2004

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.