Alert archive / Arkansas / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 37, NWS Little Rock, AR
NWS Little Rock, AR issued this severe thunderstorm warning at Mar 20, 2004, 10:04 PM CST for Ouachita County, Arkansas. It was in force for 61 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
- Mar 20, 2004, 10:04 PM CST (04:04 UTC)
- Expired
- Mar 20, 2004, 11:05 PM CST
- In force
- 61 min
- Issued by
- NWS Little Rock, AR
- Area
- Counties, with a storm outline in the text
County Ouachita County, AR
The radar
The Little Rock radar (KLZK), 150 km from the middle of the area, began a volume at 04:07 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
Shreveport, LA (KSHV), launched 00:00Z, 4.1 hours before the alert went out and 148 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.
- Mixed-layer CAPE
- 642 J/kg
- Mixed-layer CIN
- -111 J/kg
- Mixed-layer LCL
- 2012 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 39 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Mar 20, 8:30 PM CST, 1 hour 34 minutes earlier.
Area forecast discussion, Mar 20, 8:30 PM CST, 1 hour 34 minutes before
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE LITTLE ROCK AR 830 PM CST SAT MAR 20 2004 .DISCUSSION... CDFNT WORKING ACRS CNTRL AR ATTM WITH CONVECTION CONFINED TO AREAS ALONG AND S OF THE BNDRY. DRIER AIR MOVING IN QUICKLY BEHIND THE FRONT WITH DEWPOINT READINGS IN THE 30S OVER NRN AR. UPDATED GRIDS TO ACCOUNT FOR CURRENT TRENDS. REMOVED POPS FROM NRN COUNTIES... TRIMMED BACK POPS TO CHC CAT OVER CNTRL SECTIONS UNTIL MIDNIGHT AND INDCD A DECREASING RAIN CHCS OVER SRN AR OVERNIGHT. UPDATED GRIDS AND ZONES HAVE ALREADY BEEN SENT. && .LZK WATCHES/WARNINGS/ADVISORIES...NONE. && 44
Hazardous weather outlook, Mar 20, 6:00 PM CST, 4 hours 4 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE LITTLE ROCK AR 600 PM CST SAT MAR 20 2004 ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-211100- 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- 600 PM CST SAT MAR 20 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR A LARGE PART OF ARKANSAS. .DAY ONE...TONIGHT A COLD FRONT OVER NORTH CENTRAL ARKANSAS WILL CONTINUE TO MOVE SOUTHWARD TONIGHT. SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS WILL OCCUR AHEAD OF THE FRONT. ISOLATED STORMS WILL BECOME SEVERE. LARGE HAIL WILL BE THE PRIMARY THREAT...BUT ISOLATED DAMAGING WINDS MAY ALSO OCCUR. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NECESSARY OVER MUCH OF THE SOUTHERN TWO THIRDS OF STATE THIS EVENING. 22
The office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 20, 9:29 PM CST | Severe Thunderstorm Warning | LZK | Dallas | 46 min |
| Mar 20, 9:44 PM CST | Severe Thunderstorm Warning | LZK | Drew | 46 min |
| Mar 20, 10:20 PM CST | Severe Thunderstorm Warning | LZK | Bradley, Calhoun | 30 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.