Alert archive / Arkansas / Flash Flood Warnings in 2011
Flash Flood Warning 132, NWS Little Rock, AR
NWS Little Rock, AR issued this flash flood warning at Nov 21, 2011, 5:10 AM CST for Pulaski County, Saline County, Arkansas. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Nov 21, 2011, 5:10 AM CST (11:10 UTC)
- Expired
- Nov 21, 2011, 8:00 AM CST
- In force
- 3 hr
- Issued by
- NWS Little Rock, AR
- Area
- Storm-based polygon
- Flood severity
- None
Counties Pulaski County, AR, Saline County, AR
The radar
The Little Rock radar (KLZK), 26 km from the middle of the area, began a volume at 11:13 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 00:00Z, 11.2 hours before the alert went out and 271 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 431 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 418 m²/s²
- 0-3 km storm-relative helicity
- 434 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flash flood 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 flash flood warning went out at Nov 21, 3:10 AM CST, 2 hours earlier.
Area forecast discussion, Nov 21, 3:10 AM CST, 2 hours before
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</html>Hazardous weather outlook, Nov 21, 5:00 AM CST, 10 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LITTLE ROCK AR 500 AM CST MON NOV 21 2011 ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-221000- 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 CST MON NOV 21 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR A LARGE PART OF ARKANSAS. .DAY ONE...TODAY AND TONIGHT A FLASH FLOOD WATCH IS IN EFFECT FOR MUCH OF ARKANSAS. SHOWERS AND THUNDERSTORMS WILL TAPER OFF THIS MORNING OVER CENTRAL AND NORTH ARKANSAS. A FRONT WILL REMAIN DRAPED ACROSS ARKANSAS FROM TEXARKANA TO NEAR JONESBORO. SCATTERED SHOWERS CAN BE EXPECTED DURING THE DAY TODAY THEN COVERAGE WILL INCREASE THIS EVENING AND OVERNIGHT AS ANOTHER UPPER LEVEL DISTURBANCE MOVES ALONG THE FRONT. HEAVY RAIN WILL AGAIN BE EXPECTED TONIGHT WITH A SLIGHT RISK OF SEVERE THUNDERSTORMS AS WELL. DAMAGING WINDS WILL BE THE MAIN THREAT WITH THE THUNDERSTORMS. ANOTHER ONE TO TWO INCHES OF RAINFALL IS EXPECTED TODAY THROUGH TONIGHT IN CENTRAL ARKANSAS. FLASH FLOODING AND RIVER FLOODING WILL BE A POSSIBILITY TONIGHT. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SATURDAY THE FLASH FLOOD WATCH WILL CONTINUE FOR MUCH OF ARKANSAS THROUGH TUESDAY AS SHOWERS AND THUNDERSTORMS WILL CONTINUE ACROSS THE AREA. THE RAIN WILL BE HEAVY AT TIMES. UNFORTUNATELY...MANY OF THE SAME LOCATIONS THAT RECEIVED HEAVY RAINFALL EARLIER THIS WEEK WILL SEE MORE RAIN TUESDAY. AS A RESULT...FLASH FLOODING AND RIVER FLOODING WILL BE POSSIBLE AGAIN ON TUESDAY AS MULTIPLE ROUNDS OF SHOWERS AND THUNDERSTORMS ARE EXPECTED. PERSONS WITH INTERESTS ALONG THE ARKANSAS...WHITE...BLACK...BUFFALO AND CACHE RIVERS SHOULD MONITOR THIS SITUATION CLOSELY DUE TO THE INCREASED THREAT OF RIVER FLOODING. THE FRONT WILL GET A PUSH FROM AN UPPER LEVEL LOW TUESDAY THAT WILL TAKE IT EAST OF ARKANSAS. ANOTHER ONE TO ONE AND A HALF INCHES OF RAIN IS ANTICIPATED TUESDAY...AND MAINLY IN THE SOUTHEAST HALF OF THE STATE. THE THREAT FOR SOME SEVERE WEATHER WILL ALSO PERSIST TUESDAY AS ENOUGH INSTABILITY COULD EXIST AHEAD OF AND ALONG THE FRONT. THE MAIN SEVERE WEATHER THREATS WILL BE LARGE HAIL AND DAMAGING WINDS...WITH ISOLATED TORNADOES ALSO POSSIBLE. HOWEVER...PERSISTENT CLOUD COVER DURING THE AFTERNOON COULD LIMIT THE SEVERE WEATHER THREAT. HIGH PRESSURE WILL BUILD INTO THE REGION TUESDAY NIGHT AND WEDNESDAY...WITH DRIER AND COOLER CONDITIONS EXPECTED. ANOTHER STRONG STORM SYSTEM WILL MOVE THROUGH THE AREA FRIDAY INTO SATURDAY...WITH ANOTHER ROUND OF SHOWERS AND THUNDERSTORMS POSSIBLE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED TONIGHT AND TUESDAY. && VISIT NWS LITTLE ROCK ON THE WEB. GO TO HTTP://WEATHER.GOV AND CLICK ON CENTRAL ARKANSAS. 51
In the hours before
Special weather statement, Nov 21, 1:11 AM CST, 3 hours 59 minutes before
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</html>Special weather statement, Nov 21, 2:11 AM CST, 2 hours 59 minutes before
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</html>Special weather statement, Nov 21, 3:07 AM CST, 2 hours 3 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LITTLE ROCK AR 307 AM CST MON NOV 21 2011 ARZ043>046-210950- LONOKE AR-PRAIRIE AR-PULASKI AR-SALINE AR- 307 AM CST MON NOV 21 2011 ...SIGNIFICANT WEATHER ADVISORY FOR EASTERN SALINE...CENTRAL PULASKI...WESTERN PRAIRIE AND NORTHERN LONOKE COUNTIES UNTIL 345 AM CST... AT 306 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 2 MILES EAST OF WAKEFIELD VILLAGE...OR NEAR LITTLE ROCK ARPT...MOVING NORTHEAST AT 45 MPH. WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN. * LOCATIONS IMPACTED INCLUDE... SW LITTLE ROCK... NORTH LITTLE ROCK... LONOKE... DWNTWN LITTLE ROCK... LITTLE ROCK ARPT... THURMAN... SWEET HOME... SOUTH BEND... SISEMORE... SCOTT... PROTHRO JUNCTION... PRAIRIE CENTER... METO... MCCREANOR... MCALMONT... MABELVALE... LAKEWOOD... IRONTON... THIS INCLUDES INTERSTATE 30 BETWEEN MILE MARKERS 130 AND 142. THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 152 AND 192. THIS INCLUDES INTERSTATE 530 BETWEEN MILE MARKERS 1 AND 6. IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A STURDY BUILDING. 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...TURN AROUND DONT DROWN! LAT...LON 3503 9166 3480 9158 3458 9241 3474 9239 TIME...MOT...LOC 0907Z 247DEG 40KT 3470 9228 51
The office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 20, 9:03 PM CST | Special Weather Statement | LZK | Baxter | 47 min |
| Nov 20, 11:06 PM CST | Special Weather Statement | LZK | Montgomery | 29 min |
| Nov 20, 11:19 PM CST | Severe Thunderstorm Warning | LZK | Montgomery | 26 min |
| Nov 21, 1:11 AM CST | Special Weather Statement | LZK | Garland, Saline | 44 min |
| Nov 21, 1:14 AM CST | Special Weather Statement | LZK | Lonoke | 31 min |
| Nov 21, 2:04 AM CST | Special Weather Statement | LZK | Prairie | 46 min |
| Nov 21, 2:11 AM CST | Special Weather Statement | LZK | Saline | 44 min |
| Nov 21, 3:07 AM CST | Special Weather Statement | LZK | Lonoke, Pulaski | 43 min |
| Nov 21, 4:12 AM CST | Areal Flood Advisory | LZK | Pulaski, Saline | 4 hr |
| Nov 21, 6:31 AM CST | Flash Flood Warning | LZK | Jefferson, Lonoke, Prairie, Pulaski | 3 hr |
| Nov 21, 7:26 AM CST | River Flood Warning | LZK | Saline | 50 hr |
| Nov 21, 8:05 AM CST | Flash Flood Warning | LZK | Faulkner, Pulaski, Saline | 115 min |
| Nov 21, 8:12 AM CST | Flash Flood Warning | LZK | Hot Spring | 6 hr |
| Nov 21, 8:31 AM CST | River Flood Warning | LZK | Yell | 4 days |
| Nov 21, 8:31 AM CST | River Flood Warning | LZK | Perry | 4 days |
| Nov 21, 9:36 AM CST | River Flood Advisory | LZK | Yell | 36 hr |
| Nov 21, 10:26 AM CST | River Flood Warning | LZK | Clark, Hot Spring | 47 hr |
| Nov 21, 10:50 AM CST | River Flood Warning | LZK | Independence, Jackson, Lawrence | 7 days |
| Nov 21, 10:53 AM CST | River Flood Advisory | LZK | Randolph | 36 hr |
| Nov 21, 11:51 AM CST | River Flood Warning | LZK | White, Woodruff | 6 days |
| Nov 21, 2:15 PM CST | Flash Flood Warning | LZK | Hot Spring | 4 hr |
| Nov 21, 4:44 PM CST | Special Weather Statement | LZK | Arkansas | 31 min |
| Nov 21, 5:42 PM CST | Flash Flood Warning | LZK | Hot Spring | 3 hr |
Nearby
Flash Flood Warnings in Arkansas, 2011Every flash flood 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.