Alert archive / Arkansas / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 676, NWS Little Rock, AR
NWS Little Rock, AR issued this severe thunderstorm warning at Jul 13, 2011, 1:44 PM CDT for Montgomery County, Yell County, Arkansas. It was in force for 16 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 13, 2011, 1:44 PM CDT (18:44 UTC)
- Expired
- Jul 13, 2011, 2:00 PM CDT
- In force
- 16 min
- Issued by
- NWS Little Rock, AR
- Area
- Storm-based polygon
Counties Montgomery County, AR, Yell County, AR
The radar
The Western Arkansas radar (KSRX), 95 km from the middle of the area, began a volume at 18:47 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
Springfield, MO (KSGF), launched 12:00Z, 6.7 hours before the alert went out and 238 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
- 176 J/kg
- Mixed-layer CIN
- -165 J/kg
- Mixed-layer LCL
- 1064 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 85 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 13, 12:37 PM CDT, 1 hour 7 minutes earlier.
Area forecast discussion, Jul 13, 12:37 PM CDT, 1 hour 7 minutes before
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</html>Hazardous weather outlook, Jul 13, 5:00 AM CDT, 8 hours 44 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LITTLE ROCK AR 500 AM CDT WED JUL 13 2011 ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-141000- 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 13 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR A LARGE PART OF ARKANSAS. .DAY ONE...TODAY AND TONIGHT VERY HOT AND HUMID CONDITIONS WILL CONTINUE TODAY WITH HEAT ADVISORIES IN EFFECT FOR MUCH OF ARKANSAS. HEAT INDEX VALUES WILL AGAIN RISE ABOVE 105 DEGREES FOR SEVERAL HOURS THIS AFTERNOON. OVERNIGHT TEMPERATURES WILL ALSO BE WARM...AND NOT PROVIDE MUCH RELIEF FROM THE HEAT. SCATTERED SHOWERS AND THUNDERSTORMS ARE IN THE FORECAST TODAY...AS A DISTURBANCE MOVES ACROSS THE NATURAL STATE. WIDESPREAD AND ORGANIZED SEVERE WEATHER IS NOT EXPECTED...THOUGH ANY STORM THAT DOES FORM COULD BECOME STRONG TO SEVERE WITH DAMAGING WINDS THE GREATEST THREAT. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY SOME MINOR RELIEF IN THE VERY HOT TEMPERATURES IS EXPECTED FOR THE LATTER HALF OF THE WORK WEEK AS THE PERSISTENT UPPER LEVEL HIGH WEAKENS. THIS WILL ALLOW SEVERAL UPPER LEVEL IMPULSES TO PASS ACROSS ARKANSAS...RESULTING IN ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS EACH AFTERNOON AND EVENING. WIDESPREAD AND ORGANIZED SEVERE WEATHER IS NOT EXPECTED...THOUGH ANY STORM THAT DOES FORM COULD BECOME STRONG TO SEVERE WITH DAMAGING WINDS THE GREATEST THREAT. DRY AND VERY HOT CONDITIONS WILL RETURN FOR THE WEEKEND AND EARLY NEXT WEEK AS THE UPPER HIGH STRENGTHENS AGAIN OVER THE NATURAL STATE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. && VISIT NWS LITTLE ROCK ON THE WEB. GO TO HTTP://WEATHER.GOV AND CLICK ON CENTRAL ARKANSAS. 58
In the hours before
Special weather statement, Jul 13, 1:26 PM CDT, 18 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 |
|---|---|---|---|---|
| Jul 13, 12:27 AM CDT | Special Weather Statement | LZK | Boone | 43 min |
| Jul 13, 7:16 AM CDT | Special Weather Statement | LZK | Yell | 29 min |
| Jul 13, 1:26 PM CDT | Special Weather Statement | LZK | Pike | 44 min |
| Jul 13, 2:04 PM CDT | Special Weather Statement | LZK | Garland | 46 min |
| Jul 13, 2:07 PM CDT | Special Weather Statement | LZK | Saline | 43 min |
| Jul 13, 2:13 PM CDT | Special Weather Statement | LZK | Yell | 47 min |
| Jul 13, 2:16 PM CDT | Special Weather Statement | LZK | Sebastian | 44 min |
| Jul 13, 2:35 PM CDT | Special Weather Statement | LZK | Yell | 45 min |
| Jul 13, 2:37 PM CDT | Special Weather Statement | LZK | Polk | 43 min |
| Jul 13, 2:42 PM CDT | Severe Thunderstorm Warning | LZK | Logan, Scott | 48 min |
| Jul 13, 2:50 PM CDT | Severe Thunderstorm Warning | LZK | Garland, Hot Spring | 40 min |
| Jul 13, 2:53 PM CDT | Severe Thunderstorm Warning | LZK | Polk | 37 min |
| Jul 13, 2:57 PM CDT | Severe Thunderstorm Warning | LZK | Logan, Scott, Yell | 48 min |
| Jul 13, 3:09 PM CDT | Severe Thunderstorm Warning | LZK | Garland, Saline | 36 min |
| Jul 13, 3:26 PM CDT | Severe Thunderstorm Warning | LZK | Montgomery, Yell | 34 min |
| Jul 13, 3:29 PM CDT | Severe Thunderstorm Warning | LZK | Garland, Hot Spring, Saline | 46 min |
| Jul 13, 3:32 PM CDT | Severe Thunderstorm Warning | LZK | Perry, Saline | 43 min |
| Jul 13, 3:37 PM CDT | Severe Thunderstorm Warning | LZK | Clark | 38 min |
| Jul 13, 3:38 PM CDT | Severe Thunderstorm Warning | LZK | Conway, Van Buren | 16 min |
| Jul 13, 3:46 PM CDT | Severe Thunderstorm Warning | LZK | Drew | 29 min |
| Jul 13, 3:53 PM CDT | Special Weather Statement | LZK | Yell | 32 min |
| Jul 13, 3:59 PM CDT | Severe Thunderstorm Warning | LZK | Pope, Yell | 46 min |
| Jul 13, 4:12 PM CDT | Severe Thunderstorm Warning | LZK | Drew | 33 min |
| Jul 13, 4:18 PM CDT | Flash Flood Warning | LZK | Polk | 2 hr |
| Jul 13, 4:19 PM CDT | Flash Flood Warning | LZK | Drew | 3 hr |
| Jul 13, 4:26 PM CDT | Severe Thunderstorm Warning | LZK | Cleburne, White | 34 min |
| Jul 13, 4:38 PM CDT | Severe Thunderstorm Warning | LZK | Grant | 52 min |
| Jul 13, 4:39 PM CDT | Severe Thunderstorm Warning | LZK | Faulkner, Pulaski | 36 min |
| Jul 13, 4:43 PM CDT | Severe Thunderstorm Warning | LZK | Cleveland, Dallas | 47 min |
| Jul 13, 4:49 PM CDT | Severe Thunderstorm Warning | LZK | Conway, Faulkner, Van Buren | 26 min |
| Jul 13, 5:20 PM CDT | Severe Thunderstorm Warning | LZK | Faulkner, Lonoke, Pulaski, White | 25 min |
| Jul 13, 5:38 PM CDT | Severe Thunderstorm Warning | LZK | Lonoke, Prairie, Pulaski, White | 37 min |
| Jul 13, 5:49 PM CDT | Severe Thunderstorm Warning | LZK | Cleveland, Lincoln | 41 min |
| Jul 13, 6:06 PM CDT | Severe Thunderstorm Warning | LZK | Arkansas, Jefferson, Lonoke, Prairie | 39 min |
| Jul 13, 6:17 PM CDT | Severe Thunderstorm Warning | LZK | Prairie, White, Woodruff | 43 min |
| Jul 13, 6:20 PM CDT | Severe Thunderstorm Warning | LZK | Arkansas, Cleveland, Jefferson, Lincoln | 40 min |
| Jul 13, 6:50 PM CDT | Severe Thunderstorm Warning | LZK | Arkansas, Desha, Jefferson, Lincoln | 40 min |
| Jul 13, 6:51 PM CDT | Flash Flood Warning | LZK | Arkansas, Jefferson, Lincoln | 3 hr |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2011Every severe thunderstorm warning in 2011
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.