Alert archive / Arkansas / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 26, NWS Little Rock, AR
NWS Little Rock, AR issued this severe thunderstorm warning at Mar 31, 2007, 12:06 PM CDT for Bradley County, Arkansas. It was in force for 39 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 31, 2007, 12:06 PM CDT (17:06 UTC)
- Expired
- Mar 31, 2007, 12:45 PM CDT
- In force
- 39 min
- Issued by
- NWS Little Rock, AR
- Area
- Counties, with a storm outline in the text
County Bradley County, AR
The radar
The Little Rock radar (KLZK), 153 km from the middle of the area, began a volume at 17:06 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 12:00Z, 5.1 hours before the alert went out and 184 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
- 634 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 526 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 267 m²/s²
- 0-3 km storm-relative helicity
- 334 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 6.0
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 31, 11:00 AM CDT, 1 hour 6 minutes earlier.
Area forecast discussion, Mar 31, 11:00 AM CDT, 1 hour 6 minutes before
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</html>Hazardous weather outlook, Mar 31, 5:00 AM CDT, 7 hours 6 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LITTLE ROCK AR 500 AM CDT SAT MAR 31 2007 ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-011000- 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 SAT MAR 31 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR A LARGE PART OF ARKANSAS. .DAY ONE...TODAY AND TONIGHT LOW PRESSURE REMAINS OVER CENTRAL KANSAS THIS MORNING WITH THE ASSOCIATED COLD FRONT LOCATED OVER EASTERN OKLAHOMA AND THEN CURVING BACK INTO CENTRAL TEXAS. SHOWERS AND THUNDERSTORMS HAVE DEVELOPED OVER WESTERN AND CENTRAL ARKANSAS THIS MORNING AND RAIN WILL BECOME LIKELY ACROSS ALL OF THE FORECAST AREA SOMETIME DURING THE DAY AS THE LOW MOVES OFF TO THE NORTHEAST AND DRAGS THE FRONT ACROSS THE STATE. THE FRONT IS FORECAST TO BE ALONG THE ARKANSAS AND OKLAHOMA BORDER EARLY THIS MORNING...AND THEN ACROSS CENTRAL SECTIONS AROUND MID AFTERNOON BEFORE FINALLY REACHING EASTERN ARKANSAS BY THE END OF THE DAY. PRECIPITATION WILL END QUICKLY AFTER THE FRONT MOVES THROUGH AS CONSIDERABLY DRIER AIR PUNCHES IN BEHIND THE SYSTEM WITH ALL RAIN OUT OF THE AREA BY EARLY EVENING. WHILE THE ATMOSPHERE APPEARS TO BE TOO STABLE INITIALLY FOR A SIGNIFICANT SEVERE WEATHER OUTBREAK...THE POTENTIAL STILL EXISTS FOR STRONG TO SEVERE THUNDERSTORMS ACROSS THE FORECAST AREA WITH THE BEST CHANCES OF SEEING SEVERE WEATHER OVER THE EASTERN HALF OF THE STATE...EAST OF A LINE FROM ARKADELPHIA TO MORRILTON TO MARSHALL TO MOUNTAIN HOME. A LINE OF STORMS IS LIKELY TO DEVELOP OVER CENTRAL SECTIONS NO LATER THAN MIDDAY AND SWEEP EAST. DAMAGING WINDS WILL BE THE MAIN CONCERN. THE WIND STRUCTURE FOR THIS STORM SYSTEM IS NOT IDEAL FOR TORNADO DEVELOPMENT BUT THEY CAN NOT BE COMPLETELY RULED OUT...ESPECIALLY FURTHER TO THE EAST WHERE THE FRONT WILL ARRIVE LATER IN THE DAY ALLOWING THAT PART OF THE STATE TO HEAT UP AND DESTABILIZE SOMEWHAT. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY SEVERAL DRY AND UNSEASONABLY MILD DAYS WILL CONTINUE IN THE WAKE OF SATURDAYS WEATHER SYSTEM AS HIGH PRESSURE WILL GENERALLY BE IN CONTROL. THE UPPER AIR PATTERN WILL BE UNDERGOING A SIGNIFICANT AMPLIFICATION DURING THE MIDDLE PART OF THE WEEK WHICH WILL RESULT IN CONSIDERABLY COOLER AIR RETURNING TO THE NATURAL STATE. A COLD FRONT IS FORECAST TO MOVE THROUGH THE STATE TUESDAY NIGHT BUT ONLY SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED. THE UPPER LEVEL FLOW OF AIR WILL TURN NORTHWEST BEHIND THIS FRONT AS A STRONG UPPER LEVEL RIDGE DEVELOPS OVER THE ROCKIES. THIS RIDGE WILL BE ANCHORED ON THE WEST BY A DEEP EASTERN PACIFIC TROF AND TO THE EAST BY A DEEP UPPER LEVEL LOW OVER NEW ENGLAND. CANADIAN HIGH PRESSURE WILL MOVE INTO THE NATIONS MID SECTION WITH DAY TIME HIGHS DROPPING BACK TO LEVELS MORE REMINISCENT OF EARLY TO MID MARCH RATHER THAN EARLY APRIL. ANOTHER COLD FRONT WITH YET ANOTHER SHOT OF COOL AIR IS FORECAST TO COME THROUGH THURSDAY NIGHT AND INTO FRIDAY. AGAIN... ONLY SCATTERED PRECIPITATION IS EXPECTED BUT ANOTHER SURGE OF COOL AIR WILL ACCOMPANY THE FRONT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED TODAY. && VISIT NWS LITTLE ROCK ON THE WEB. GO TO WEATHER.GOV AND CLICK ON CENTRAL ARKANSAS. 56
In the hours before
Special weather statement, Mar 31, 10:59 AM CDT, 1 hour 7 minutes before
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</html>The office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 31, 8:36 AM CDT | Flash Flood Warning | LZK | Dallas, Ouachita | 114 min |
| Mar 31, 8:55 AM CDT | Severe Thunderstorm Warning | LZK | Cleveland, Jefferson | 50 min |
| Mar 31, 9:44 AM CDT | Severe Thunderstorm Warning | LZK | Arkansas, Jefferson | 46 min |
| Mar 31, 10:26 AM CDT | Severe Thunderstorm Warning | LZK | Cleveland, Lincoln | 49 min |
| Mar 31, 10:34 AM CDT | Tornado Warning | LZK | Cleveland, Lincoln | 41 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2007Every severe thunderstorm warning in 2007
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.