Alert archive / Arkansas / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 233, NWS Little Rock, AR
NWS Little Rock, AR issued this severe thunderstorm warning at Jul 7, 2004, 7:40 AM CDT for Logan County, Arkansas. It was in force for 45 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 7, 2004, 7:40 AM CDT (12:40 UTC)
- Expired
- Jul 7, 2004, 8:25 AM CDT
- In force
- 45 min
- Issued by
- NWS Little Rock, AR
- Area
- Counties, with a storm outline in the text
County Logan County, AR
The radar
The Western Arkansas radar (KSRX), 59 km from the middle of the area, began a volume at 12:40 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
Norman, OK (KOUN), launched 12:00Z, 0.7 hours before the alert went out and 335 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
- 15 J/kg
- Mixed-layer CIN
- -509 J/kg
- Mixed-layer LCL
- 2025 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- 80 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 Jul 7, 3:30 AM CDT, 4 hours 10 minutes earlier.
Area forecast discussion, Jul 7, 3:30 AM CDT, 4 hours 10 minutes before
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</html>Hazardous weather outlook, Jul 7, 5:00 AM CDT, 2 hours 40 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE LITTLE ROCK AR 500 AM CDT WED JUL 7 2004 ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-081000- 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- 500 AM CDT WED JUL 7 2004 THIS HAZARDOUS WEATHER OUTLOOK COVERS A LARGE PART OF ARKANSAS. .DAY ONE...TODAY AND TONIGHT A COLD FRONT WAS LOCATED NEAR THE NORTHERN BORDER OF ARKANSAS THIS MORNING. THE FRONT WILL MOVE INTO THE STATE TODAY THEN BECOME STATIONARY. A COMPLEX OF THUNDERSTORMS HAS DEVELOPED ACROSS MUCH OF OKLAHOMA OVERNIGHT AND EFFECTS OF THIS MAY REACH INTO ARKANSAS TODAY. AS OF EARLY THIS MORNING...NO SIGNIFICANT SEVERE WEATHER IS EXPECTED IN ARKANSAS TODAY AND TONIGHT. THERE IS A SLIGHT RISK OF SEVERE WEATHER FOR THE EXTREME NORTHERNMOST COUNTIES BUT THE MAIN SEVERE WEATHER IS EXPECTED TO BE IN THE PLAINS. HOWEVER THE PRESENCE OF THE FRONT AND THE HIGHLY MOIST AND UNSTABLE AIR IN ARKANSAS COULD RESULT IN A FEW STRONG TO MARGINALLY SEVERE THUNDERSTORMS...MOSTLY THIS AFTERNOON AND EVENING. STRONG WIND GUSTS AND HAIL UP TO DIME SIZE WILL BE POSSIBLE IN THE STRONGEST STORMS. LOCALLY HEAVY RAIN WILL BE POSSIBLE AND SOME FLOODING COULD OCCUR. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THE COLD FRONT WILL WEAKEN AND MOVE NORTH OUT OF THE STATE AS A WARM FRONT THURSDAY. HIGH PRESSURE ALOFT WILL INCREASE ACROSS ARKANSAS FOR THE WEEKEND. THIS WILL LESSEN THE CHANCE FOR HAZARDOUS WEATHER IN THE STATE...BUT SOME WEAK LOW PRESSURE SYSTEMS OR BOUNDARIES MAY REMAIN AND THIS ALONG WITH CONTINUED WARM HUMID AND UNSTABLE AIR WILL LEAD TO SMALL CHANCES OF SHOWERS AND THUNDERSTORMS. ISOLATED STRONG TO MARGINALLY SEVERE THUNDERSTORMS WITH HAIL AND STRONG WIND GUSTS WILL REMAIN POSSIBLE THROUGH THE PERIOD. THE BEST CHANCE FOR THIS WILL BE DURING THE MID TO LATE AFTERNOON. ISOLATED HEAVY RAINS AND FLOODING WILL ALSO BE POSSIBLE. THERE WILL CONTINUE TO BE A CHANCE PARTS OF THE STATE WILL BE AFFECTED BY THUNDERSTORM COMPLEXES COMING OUT OF THE PLAINS. SHOULD THIS OCCUR...STRONG WIND GUSTS AND BRIEF HEAVY RAINS WILL BE THE MAIN HAZARDOUS WEATHER. ONE SUCH COMPLEX OF THUNDERSTORMS COULD AFFECT PARTS OF NORTHERN ARKANSAS ON THURSDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT LIKELY...BUT COULD BE POSSIBLE IN A FEW AREAS ANY TIME TODAY OR TONIGHT. 29
The office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 7:05 PM CDT | Severe Thunderstorm Warning | LZK | Jackson | 30 min |
| Jul 7, 11:39 AM CDT | Severe Thunderstorm Warning | LZK | Newton | 41 min |
| Jul 7, 1:59 PM CDT | Severe Thunderstorm Warning | LZK | Prairie | 36 min |
| Jul 7, 2:17 PM CDT | Severe Thunderstorm Warning | LZK | Monroe | 48 min |
| Jul 7, 6:59 PM CDT | Severe Thunderstorm Warning | LZK | Drew | 46 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.