Alert archive / Arkansas / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 142, NWS Little Rock, AR
NWS Little Rock, AR issued this severe thunderstorm warning at May 15, 2007, 5:39 PM CDT for Montgomery County, Arkansas. It was in force for 21 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
- May 15, 2007, 5:39 PM CDT (22:39 UTC)
- Expired
- May 15, 2007, 6:00 PM CDT
- In force
- 21 min
- Issued by
- NWS Little Rock, AR
- Area
- Counties, with a storm outline in the text
County Montgomery County, AR
The radar
The Western Arkansas radar (KSRX), 105 km from the middle of the area, began a volume at 22:40 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
Shreveport, LA (KSHV), launched 12:00Z, 10.7 hours before the alert went out and 229 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
- 880 J/kg
- Mixed-layer CIN
- -102 J/kg
- Mixed-layer LCL
- 858 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 83 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 May 15, 2:30 PM CDT, 3 hours 9 minutes earlier.
Area forecast discussion, May 15, 2:30 PM CDT, 3 hours 9 minutes before
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</html>Hazardous weather outlook, May 15, 5:00 AM CDT, 12 hours 39 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LITTLE ROCK AR 500 AM CDT TUE MAY 15 2007 ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-161000- 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 TUE MAY 15 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR A LARGE PART OF ARKANSAS. .DAY ONE...TODAY AND TONIGHT THERE IS A SLIGHT RISK OF SEVERE WEATHER IN MUCH OF ARKANSAS THROUGH TONIGHT. A NORTHWEST FLOW ALOFT WILL DRIVE A COLD FRONT INTO ARKANSAS FROM THE PLAINS. SHOWERS AND THUNDERSTORMS WILL DEVELOP ALONG THE FRONT...AND SOME STORMS COULD BECOME SEVERE. IT APPEARS THE FRONT WILL HAVE THE MOST IMPACT FROM PORTIONS OF NEW ENGLAND THROUGH THE OHIO AND TENNESSEE VALLEYS...WHERE SEVERE WEATHER IS MOST LIKELY. HOWEVER...WITH MOISTURE INCREASING AND ENOUGH HEATING...SEVERE STORMS COULD BUILD FARTHER SOUTHWEST INTO ARKANSAS. THE FRONT WILL ARRIVE IN NORTHWEST ARKANSAS EARLY THIS AFTERNOON. THUNDERSTORMS WILL BE MAINLY CONFINED TO THE NORTHWEST HALF OF THE STATE THROUGH EARLY THIS EVENING. THUNDERSTORMS WILL BUILD INTO SOUTHEAST ARKANSAS DURING THE OVERNIGHT HOURS. STORMS THAT BECOME SEVERE WILL BE CAPABLE OF PRODUCING PENNY SIZE HAIL OR LARGER AND STRONG TO DAMAGING WINDS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY A FEW SHOWERS AND THUNDERSTORMS MAY LINGER IN SOUTHERN ARKANSAS WEDNESDAY MORNING. OTHERWISE...COOLER AND DRIER AIR WILL FILTER INTO THE REGION BEHIND A DEPARTING FRONT...WITH BELOW NORMAL TEMPERATURES THROUGH FRIDAY. HIGH PRESSURE WILL BE THE MAIN WEATHER FEATURE THROUGH THE WEEKEND AND INTO EARLY NEXT WEEK...WITH DRY CONDITIONS EXPECTED. THERE WILL ALSO BE A SLOW WARMING TREND. .SPOTTER INFORMATION STATEMENT... ISOLATED SEVERE WEATHER IS POSSIBLE THIS AFTERNOON AND EVENING...AND SPOTTER ACTIVATION MAY BE NECESSARY. && VISIT NWS LITTLE ROCK ON THE WEB. GO TO HTTP://WEATHER.GOV AND CLICK ON CENTRAL ARKANSAS. 46
In the hours before
Special weather statement, May 15, 12:29 PM CDT, 5 hours 10 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LITTLE ROCK AR 1229 PM CDT TUE MAY 15 2007 ARZ003-012-021-151800- BOONE-JOHNSON-NEWTON- 1229 PM CDT TUE MAY 15 2007 ...SIGNIFICANT WEATHER ALERT FOR BOONE...JOHNSON AND NEWTON COUNTIES UNTIL 100 PM CDT... AT 1226 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 9 MILES WEST OF HARRISON TO OZARK...MOVING EAST AT 20 MPH. WIND GUSTS OF 40 MILES AN HOUR...AND SMALL HAIL ARE EXPECTED WITH THESE STORMS. PEOPLE IN BOONE...JOHNSON AND NEWTON COUNTIES...INCLUDING UPPER BUFFALO WILDERNESS AREA...LOST VALLEY STATE PARK...HORSEHEAD LAKE... HARRISON...OZONE RECREATION AREA AND DEVILS KNOB...SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR POSSIBLE WARNINGS AND BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN. 55
Local storm report, May 15, 1:00 PM CDT, 4 hours 39 minutes before
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</html>Local storm report, May 15, 3:59 PM CDT, 1 hour 40 minutes before
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</html>Local storm report, May 15, 4:12 PM CDT, 1 hour 27 minutes before
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</html>Special weather statement, May 15, 5:02 PM CDT, 37 minutes before
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</html>Local storm report, May 15, 5:14 PM CDT, 25 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 |
|---|---|---|---|---|
| May 15, 12:35 PM CDT | Severe Thunderstorm Warning | LZK | Johnson | 40 min |
| May 15, 1:14 PM CDT | Severe Thunderstorm Warning | LZK | Johnson, Pope | 46 min |
| May 15, 1:52 PM CDT | Flash Flood Warning | LZK | Johnson, Logan | 2 hr |
| May 15, 3:41 PM CDT | Severe Thunderstorm Warning | LZK | Garland, Saline | 64 min |
| May 15, 4:08 PM CDT | Severe Thunderstorm Warning | LZK | Clark | 67 min |
| May 15, 4:18 PM CDT | Severe Thunderstorm Warning | LZK | Hot Spring | 27 min |
| May 15, 4:51 PM CDT | Severe Thunderstorm Warning | LZK | Ouachita | 39 min |
| May 15, 4:51 PM CDT | Severe Thunderstorm Warning | LZK | Ouachita | 39 min |
| May 15, 4:54 PM CDT | Severe Thunderstorm Warning | LZK | Pike | 51 min |
| May 15, 5:22 PM CDT | Severe Thunderstorm Warning | LZK | Calhoun | 42 min |
| May 15, 5:56 PM CDT | Severe Thunderstorm Warning | LZK | Arkansas, Monroe | 49 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.