Alert archive / Arkansas / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 413, NWS Little Rock, AR
NWS Little Rock, AR issued this severe thunderstorm warning at May 13, 2011, 2:27 AM CDT for Arkansas County, Monroe County, Arkansas. It was in force for 33 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 13, 2011, 2:27 AM CDT (07:27 UTC)
- Expired
- May 13, 2011, 3:00 AM CDT
- In force
- 33 min
- Issued by
- NWS Little Rock, AR
- Area
- Storm-based polygon
Counties Arkansas County, AR, Monroe County, AR
The radar
The Little Rock radar (KLZK), 97 km from the middle of the area, began a volume at 07:28 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 12, 10:03 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 00:00Z, 7.5 hours before the alert went out and 128 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
- 2053 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1024 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.3
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 13, 12:47 AM CDT, 1 hour 40 minutes earlier.
Area forecast discussion, May 13, 12:47 AM CDT, 1 hour 40 minutes before
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</html>Hazardous weather outlook, May 12, 5:00 AM CDT, 21 hours 27 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LITTLE ROCK AR 500 AM CDT THU MAY 12 2011 ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-131000- 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 THU MAY 12 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR A LARGE PART OF ARKANSAS. .DAY ONE...TODAY AND TONIGHT WIDESPREAD ROAD CLOSURES AND FLOODING WILL CONTINUE AS WATER SLOWLY RECEDES. MANY CREEKS AND RIVERS REMAIN OUT OF THEIR BANKS ACROSS THE STATE. DO NOT ATTEMPT TO CROSS FLOODED ROADWAYS. UPPER LEVEL LOW PRESSURE OVER THE WESTERN HIGH PLAINS WILL SLOWLY MOVE TO THE EAST AS THE DAY PROGRESSES. AN UPPER IMPULSE EMBEDDED IN THE PREVAILING UPPER FLOW WILL LIFT NORTHEAST ACROSS THE REGION THIS AFTERNOON WITH INCREASING CHANCES OF SHOWERS AND THUNDERSTORMS. SOME STORMS COULD BECOME STRONG TO POSSIBLY SEVERE WITH THE MAIN THREATS LARGE HAIL AND DAMAGING WINDS. SHOWERS AND THUNDERSTORMS WILL PERSIST OVERNIGHT AS THE ASSOCIATED COLD FRONT MAKES IT ROUGHLY HALF WAY THROUGH THE STATE BY MORNING. AS OF NOW...ROUGHLY THE WESTERN HALF OF ARKANSAS IS UNDER A SLIGHT RISK OF SEVERE WEATHER. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY RIVER FLOODING WILL CONTINUE...ESPECIALLY IN THE EAST...FOR THE NEXT SEVERAL DAYS AT LEAST. MOST RIVERS HAVE CRESTED...BUT THE WATER WILL BE VERY SLOW TO RECEDE. MANY AREA ROADS OVER EASTERN AND NORTHEAST ARKANSAS REMAIN CLOSED. INDIVIDUALS ARE ENCOURAGED TO CONTINUE TO MONITOR NATIONAL WEATHER SERVICE FORECASTS FOR THE LATEST ON RIVER LEVELS. THIS FRONT WILL CONTINUE TO MOVE ACROSS THE REMAINDER OF THE STATE FRIDAY. SHOWERS AND THUNDERSTORMS WILL CONTINUE ALONG AND IN ADVANCE OF THE FRONT WITH A CONTINUING THREAT OF STRONG TO POSSIBLY SEVERE THUNDERSTORMS. THE BEST CHANCES OF SEVERE WEATHER WILL SHIFT TO EASTERN AND SOUTHEASTERN ARKANSAS WITH LARGE HAIL AND DAMAGING WINDS CONTINUING TO BE THE MAIN THREATS. SHOWERS AND ISOLATED THUNDERSTORMS WILL LINGER BEHIND THE FRONT THROUGH SATURDAY BUT THE CHANCES OF SEVERE WEATHER WILL BE MINIMAL. AT THIS TIME...THE HEAVY RAIN THREAT LOOKS MINIMAL...BUT A SLOWER FRONTAL PASSAGE COULD RESULT IN A MORE PROLONGED PERIOD OF RAIN FOR THE STATE. THEREFORE...INDIVIDUALS ARE ENCOURAGED TO STAY ABREAST OF THE LATEST FORECASTS. .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. 56
In the hours before
Local storm report, May 12, 11:08 PM CDT, 3 hours 19 minutes before
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</html>Special weather statement, May 12, 11:14 PM CDT, 3 hours 13 minutes before
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</html>Special weather statement, May 12, 11:24 PM CDT, 3 hours 3 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1124 PM CDT THU MAY 12 2011
ARZ014-016-024-025-032>034-130510-
CLEBURNE AR-FAULKNER AR-INDEPENDENCE AR-JACKSON AR-STONE AR-WHITE
AR-WOODRUFF AR-
1124 PM CDT THU MAY 12 2011
...SIGNIFICANT WEATHER ADVISORY FOR CLEBURNE...WHITE...EXTREME
SOUTHEASTERN STONE...EXTREME WESTERN WOODRUFF...EASTERN FAULKNER...
SOUTHWESTERN INDEPENDENCE AND EXTREME SOUTHWESTERN JACKSON COUNTIES
UNTIL 1215 AM CDT...
AT 1124 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 2 MILES SOUTHEAST OF
BUFFALO HUMP TO NEAR ENOLA TO 2 MILES SOUTHEAST OF NAYLOR...AND
MOVING EAST AT 45 MPH.
HAIL UP TO THE SIZE OF NICKELS AND WIND GUSTS UP TO 50 MPH ARE
EXPECTED WITH THESE STORMS...ALONG WITH HEAVY RAIN AND FREQUENT
DANGEROUS LIGHTNING.
* LOCATIONS IMPACTED INCLUDE...
SEARCY... HEBER SPRINGS... GREERS FERRY LAKE...
WEST POINT... VILONIA... STEPROCK...
ROSE BUD... QUITMAN... PRYOR...
PANGBURN... MT VERNON... MCRAE...
KENSETT... JUDSONIA... HURRICANE LAKE WMA...
HIGGINSON... GREERS FERRY DAM... GRAVEL HILL...
THESE STORMS MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS... FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.
TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY.
LAT...LON 3507 9201 3507 9211 3504 9213 3502 9222
3517 9226 3537 9228 3537 9225 3542 9225
3576 9190 3548 9159 3520 9141
TIME...MOT...LOC 0424Z 255DEG 38KT 3532 9217 3519 9215
3514 9213
62Special weather statement, May 12, 11:40 PM CDT, 2 hours 47 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1140 PM CDT THU MAY 12 2011
ARZ034-045>047-056-057-130525-
ARKANSAS AR-JEFFERSON AR-LONOKE AR-MONROE AR-PRAIRIE AR-WOODRUFF AR-
1140 PM CDT THU MAY 12 2011
...SIGNIFICANT WEATHER ADVISORY FOR EXTREME SOUTHWESTERN WOODRUFF...
PRAIRIE...EASTERN LONOKE...WESTERN MONROE...NORTHWESTERN ARKANSAS AND
NORTHERN JEFFERSON COUNTIES UNTIL 1230 AM CDT...
AT 1140 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 3 MILES NORTH OF
BAYOU METO TO 3 MILES NORTH OF RYAN TO 6 MILES SOUTH OF RYAN...AND
MOVING NORTHEAST AT 30 MPH.
HAIL UP TO THE SIZE OF NICKELS AND WIND GUSTS UP TO 50 MPH ARE
EXPECTED WITH THESE STORMS...ALONG WITH HEAVY RAIN AND FREQUENT
DANGEROUS LIGHTNING.
* LOCATIONS IMPACTED INCLUDE...
LONOKE... HAZEN... ULM...
STUTTGART MUNI ARPT... SISEMORE...
ROE... PRAIRIE CENTER... PEPPERS LANDING...
PARKERS CORNER... MCCREANOR... HUMNOKE...
HALLSVILLE... FREDONIA (BISCOE)... DES ARC...
DE VALLS BLUFF... CARLISLE... BRUMMITT...
BARRETTSVILLE...
THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 172 AND 206.
THESE STORMS MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS... FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.
TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY.
LAT...LON 3502 9138 3477 9132 3455 9132 3441 9190
3458 9189 3487 9195
TIME...MOT...LOC 0440Z 246DEG 27KT 3475 9187 3459 9183
3446 9183
62Special weather statement, May 12, 11:54 PM CDT, 2 hours 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1154 PM CDT THU MAY 12 2011
ARZ046-056-057-130540-
ARKANSAS AR-JEFFERSON AR-PRAIRIE AR-
1154 PM CDT THU MAY 12 2011
...SIGNIFICANT WEATHER ADVISORY FOR EXTREME SOUTHERN PRAIRIE...
NORTHWESTERN ARKANSAS AND EASTERN JEFFERSON COUNTIES UNTIL 1245 AM
CDT...
AT 1154 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 4 MILES NORTHWEST OF
WABBASEKA TO NEAR ALTHEIMER TO FAIRFIELD...AND MOVING NORTHEAST AT 35
MPH.
HAIL UP TO THE SIZE OF NICKELS AND WIND GUSTS UP TO 50 MPH ARE
EXPECTED WITH THESE STORMS...ALONG WITH HEAVY RAIN AND FREQUENT
DANGEROUS LIGHTNING.
* LOCATIONS IMPACTED INCLUDE...
STUTTGART... WABBASEKA... MADDING...
HUMPHREY... BAYOU METO STATE GAME AREA...
ALTHEIMER... ALMYRA... ROB ROY...
LODGE CORNER... GLENLAKE... GETHSEMANE...
CORNERSTONE... CASSCOE... YODER...
WILSON RESERVOIR... WALWORTH RES... VALLIER...
TRULOCK PARK...
THESE STORMS MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS... FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.
TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY.
LAT...LON 3457 9129 3432 9134 3416 9198 3442 9191
TIME...MOT...LOC 0454Z 230DEG 31KT 3442 9182 3432 9183
3421 9189
62The office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 7:02 PM CDT | Special Weather Statement | LZK | Searcy | 43 min |
| May 12, 7:20 PM CDT | Special Weather Statement | LZK | Johnson, Newton | 45 min |
| May 12, 7:23 PM CDT | Severe Thunderstorm Warning | LZK | Boone | 67 min |
| May 12, 7:26 PM CDT | Severe Thunderstorm Warning | LZK | Johnson, Newton | 64 min |
| May 12, 7:43 PM CDT | Severe Thunderstorm Warning | LZK | Marion, Searcy | 47 min |
| May 12, 7:56 PM CDT | Severe Thunderstorm Warning | LZK | Johnson, Newton | 34 min |
| May 12, 7:58 PM CDT | Severe Thunderstorm Warning | LZK | Boone, Marion | 52 min |
| May 12, 8:05 PM CDT | Severe Thunderstorm Warning | LZK | Boone, Marion, Newton, Searcy | 40 min |
| May 12, 8:07 PM CDT | Severe Thunderstorm Warning | LZK | Baxter, Marion, Searcy | 38 min |
| May 12, 8:33 PM CDT | Special Weather Statement | LZK | Newton | 62 min |
| May 12, 8:42 PM CDT | Severe Thunderstorm Warning | LZK | Baxter, Marion | 63 min |
| May 12, 8:51 PM CDT | Special Weather Statement | LZK | Johnson | 44 min |
| May 12, 8:58 PM CDT | Flash Flood Warning | LZK | Johnson, Newton | 3 hr |
| May 12, 9:02 PM CDT | Special Weather Statement | LZK | Searcy | 43 min |
| May 12, 9:20 PM CDT | Severe Thunderstorm Warning | LZK | Baxter, Fulton | 25 min |
| May 12, 9:40 PM CDT | Severe Thunderstorm Warning | LZK | Fulton, Izard, Sharp | 65 min |
| May 12, 10:17 PM CDT | Special Weather Statement | LZK | Logan | 58 min |
| May 12, 10:25 PM CDT | Special Weather Statement | LZK | Cleburne, Stone | 45 min |
| May 12, 10:45 PM CDT | Special Weather Statement | LZK | Sharp | 45 min |
| May 12, 10:52 PM CDT | Severe Thunderstorm Warning | LZK | Fulton, Sharp | 38 min |
| May 12, 11:14 PM CDT | Special Weather Statement | LZK | Independence | 46 min |
| May 12, 11:24 PM CDT | Special Weather Statement | LZK | Cleburne, White | 46 min |
| May 12, 11:40 PM CDT | Special Weather Statement | LZK | Lonoke, Prairie | 45 min |
| May 12, 11:48 PM CDT | Severe Thunderstorm Warning | LZK | Arkansas, Lonoke, Monroe, Prairie, Woodruff | 42 min |
| May 12, 11:54 PM CDT | Special Weather Statement | LZK | Jefferson | 46 min |
| May 13, 12:23 AM CDT | Severe Thunderstorm Warning | LZK | Arkansas, Jefferson, Lonoke, Monroe, Prairie | 52 min |
| May 13, 12:31 AM CDT | Severe Thunderstorm Warning | LZK | Monroe, Prairie, Woodruff | 44 min |
| May 13, 1:23 AM CDT | Severe Thunderstorm Warning | LZK | Arkansas, Monroe, Woodruff | 23 min |
| May 13, 1:40 AM CDT | Severe Thunderstorm Warning | LZK | Arkansas, Jefferson, Lincoln, Monroe | 50 min |
| May 13, 2:34 AM CDT | Special Weather Statement | LZK | Monroe | 46 min |
| May 13, 3:06 AM CDT | Special Weather Statement | LZK | Arkansas | 44 min |
| May 13, 3:22 AM CDT | Special Weather Statement | LZK | Woodruff | 43 min |
| May 13, 3:27 AM CDT | Severe Thunderstorm Warning | LZK | Monroe, Woodruff | 32 min |
| May 13, 4:09 AM CDT | Flash Flood Warning | LZK | Arkansas, Jefferson, Lonoke, Monroe, Prairie | 3 hr |
| May 13, 12:17 PM CDT | Special Weather Statement | LZK | Sharp | 28 min |
| May 13, 2:31 PM CDT | Lake Wind Advisory | LZK | Arkansas, Baxter, Bradley, Calhoun, Clark, Cleburne and 28 more | 7 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.