Alert archive / Arkansas / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 53, NWS Little Rock, AR

April 9, 2004Clark County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Apr 9, 2004, 10:07 PM CDT for Clark County, Arkansas. It was in force for 28 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: Apr 9, 2004, 10:07 PM CDT (03:07 UTC)
Expired: Apr 9, 2004, 10:35 PM CDT
In force: 28 min
Issued by: NWS Little Rock, AR
Area: Counties, with a storm outline in the text

County Clark County, AR

The watch it was issued in

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

Issued	Product	Office	Lasted
Apr 9, 7:40 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 3.1 hours before the alert went out and 183 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 350 J/kg
Mixed-layer CIN: -40 J/kg
Mixed-layer LCL: 1945 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 16 m²/s²
0-3 km storm-relative helicity: 81 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 Apr 9, 8:00 PM CDT, 2 hours 7 minutes earlier.

Area forecast discussion, Apr 9, 8:00 PM CDT, 2 hours 7 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LITTLE ROCK AR
800 PM CDT FRI APR 9 2004

.DISCUSSION...
UPDATE TO CANCEL SEVERE THUNDERSTORM WATCH #59 AND REPLACE WITH
SEVERE THUNDERSTORM WATCH #60. THUNDERSTORMS ARE DEVELOPING ALONG A
SURFACE BOUNDARY THROUGH OKLAHOMA...TO NEAR FORT SMITH...AND
SOUTHEAST TO JUST SOUTH OF LITTLE ROCK AND HELENA. STORMS LOOK TO
CONTINUE FIRING ALONG AND SOUTH OF THIS BOUNDARY...WITH NEW WATCH
BOX PLACED SOUTH OF THIS LINE. UPPER LEVEL ENERGY WILL CONTINUE THE
CHANCE FOR SHOWERS AND THUNDERSTORMS THROUGH THE EVENING AND
SATURDAY...WITH LOCALLY HEAVY RAIN ESPECIALLY SOUTH SATURDAY.
&&

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

58

Hazardous weather outlook, Apr 9, 5:25 PM CDT, 4 hours 42 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE LITTLE ROCK AR
525 PM CDT FRI APR 9 2004

ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-101000-
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-
525 PM CDT FRI APR 9 2004

THIS HAZARDOUS WEATHER OUTLOOK IS FOR A LARGE PART OF ARKANSAS.

.DAY ONE...TONIGHT

AN UPPER LEVEL LOW WILL MOVE ACROSS NORTHERN ARKANSAS AND SOUTHERN
MISSOURI THIS EVENING. ANOTHER UPPER LEVEL LOW WILL PASS OVER
SOUTHERN ARKANSAS LATE TONIGHT. SHOWERS AND THUNDERSTORMS WILL BE
PREVALENT OVER NORTHERN...CENTRAL AND WESTERN ARKANSAS THIS
EVENING...WITH SOME STORMS POSSIBLY BECOMING SEVERE. THE MAIN THREAT
WITH THESE STORMS WILL BE LARGE HAIL. ISOLATED STRONG AND DAMAGING
WINDS WILL ALSO BE POSSIBLE. AS THE SECOND UPPER LEVEL LOW PASSES
OVER SOUTHERN ARKANSAS LATE TONIGHT...STRONG TO SEVERE THUNDERSTORMS
MAY AGAIN BE POSSIBLE IN THAT AREA. AGAIN...THE PRIMARY THREAT WILL
BE LARGE HAIL.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

LOW PRESSURE WILL REMAIN TO THE WEST OF THE AREA SATURDAY WITH A
SOUTHERLY WIND FLOW CONTINUING. A SERIES OF WEAK UPPER LEVEL LOWS
WILL AFFECT THE AREA ON SATURDAY WITH A CONTINUING CHANCE OF
SHOWERS AND THUNDERSTORMS. A FEW STORMS MAY BECOME SEVERE OVER
EXTREME SOUTHERN ARKANSAS. SHOWER AND THUNDERSTORM ACTIVITY WILL
BEGIN TO DECREASE SATURDAY NIGHT. A FEW SHOWERS WILL REMAIN OVER
EASTERN AND SOUTHEASTERN ARKANSAS EARLY SUNDAY MORNING.

COOLER AIR IS FORECAST TO OVERSPREAD ARKANSAS EARLY NEXT WEEK. THE
NORTHERN AND WESTERN PARTS OF THE STATE COULD EXPERIENCE LOW
TEMPERATURES IN THE LOWER AND MID 30S BOTH ON MONDAY AND TUESDAY
MORNINGS. PERSONS WITH TENDER OUTDOOR VEGETATION SHOULD MONITOR
LATER FORECASTS OVER THE WEEKEND FOR FURTHER UPDATES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS LIKELY TONIGHT...AND POSSIBLY AGAIN ON
SATURDAY.

22

In the hours before

Local storm report, Apr 9, 8:17 PM CDT, 1 hour 50 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
817 PM CDT FRI APR 09 2004

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

0748 PM     TSTM WND DMG     1 W ROCKY               34.58N 94.38W
04/09/2004                   POLK               AR   COUNTY OFFICIAL

            WOOD...TIN...STRYOFOAM AND OTHER DEBRIS IN THE ROAD AT
            THE INTERSECTION OF COUNTY ROAD 47 AND STATE HIGHWAY 8.

&&

22

Local storm report, Apr 9, 8:36 PM CDT, 1 hour 31 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
836 PM CDT FRI APR 09 2004

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

0820 PM     TSTM WND DMG     5 W PERRYVILLE          35.01N 92.89W
04/09/2004                   PERRY              AR   AMATEUR RADIO

            A TREE BLOWN DOWN ON STATE HIGHWAY 60.

&&

22

Local storm report, Apr 9, 8:54 PM CDT, 1 hour 13 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
854 PM CDT FRI APR 09 2004

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

0845 PM     HAIL             10 S PINE RIDGE         34.44N 93.88W
04/09/2004  0.75 INCH        MONTGOMERY         AR   LAW ENFORCEMENT

            HAIL COVERING THE GROUND ON STATE HIGHWAY 8.

&&

22

Local storm report, Apr 9, 9:33 PM CDT, 34 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
933 PM CDT FRI APR 09 2004

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

0900 PM     HAIL             7 W CADDO GAP           34.40N 93.74W
04/09/2004  1.00 INCH        MONTGOMERY         AR   TRAINED SPOTTER

0910 PM     HAIL             3 NE BENTON             34.60N 92.54W
04/09/2004  1.00 INCH        SALINE             AR   PUBLIC

0912 PM     TSTM WND DMG     2 NW BRYANT             34.63N 92.52W
04/09/2004                   SALINE             AR   AMATEUR RADIO

            TREES DOWN.

0925 PM     TSTM WND DMG     1 N ALEXANDER           34.64N 92.44W
04/09/2004                   SALINE             AR   AMATEUR RADIO

            TREES AND POWER LINES DOWN.

0925 PM     TSTM WND DMG     BRYANT                  34.61N 92.49W
04/09/2004                   SALINE             AR   AMATEUR RADIO

            TREES AND POWER LINES DOWN.

&&

22

Local storm report, Apr 9, 9:39 PM CDT, 28 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
939 PM CDT FRI APR 09 2004

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

0929 PM     TSTM WND DMG     ALPINE                  34.22N 93.38W
04/09/2004                   CLARK              AR   LAW ENFORCEMENT

            ROOFS ON HOUSES DAMAGED.

0933 PM     TSTM WND DMG     BENTON                  34.57N 92.58W
04/09/2004                   SALINE             AR   LAW ENFORCEMENT

            TREES DOWN ON HOUSES.

&&

22

Local storm report, Apr 9, 9:49 PM CDT, 18 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
949 PM CDT FRI APR 09 2004

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

0930 PM     TSTM WND DMG     10 S DOWNTOWN LITTLE RO 34.73N 92.23W
04/09/2004                   PULASKI            AR   LAW ENFORCEMENT

            TREES DOWN IN THE LANDMARK COMMUNITY.

&&

22

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 9, 7:27 PM CDT	Tornado Warning	LZK	Polk	48 min
Apr 9, 7:40 PM CDT	Severe Thunderstorm Warning	LZK	Yell	35 min
Apr 9, 8:16 PM CDT	Tornado Warning	LZK	Polk	29 min
Apr 9, 8:30 PM CDT	Tornado Warning	LZK	Montgomery, Pike	45 min
Apr 9, 8:32 PM CDT	Severe Thunderstorm Warning	LZK	Perry, Saline	58 min
Apr 9, 9:15 PM CDT	Tornado Warning	LZK	Clark, Pike	50 min
Apr 9, 9:17 PM CDT	Severe Thunderstorm Warning	LZK	Pulaski	58 min
Apr 9, 9:30 PM CDT	Severe Thunderstorm Warning	LZK	Grant, Saline	45 min
Apr 9, 9:43 PM CDT	Severe Thunderstorm Warning	LZK	Lonoke	47 min
Apr 9, 10:03 PM CDT	Severe Thunderstorm Warning	LZK	Jefferson	57 min
Apr 9, 10:15 PM CDT	Severe Thunderstorm Warning	LZK	Dallas	50 min
Apr 10, 10:44 AM CDT	Severe Thunderstorm Warning	LZK	Clark, Dallas	61 min
Apr 10, 5:26 PM CDT	Severe Thunderstorm Warning	LZK	Dallas	49 min
Apr 10, 6:53 PM CDT	Severe Thunderstorm Warning	LZK	Cleveland	27 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2004 Every 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.