Alert archive / Arkansas / Flash Flood Warnings in 2011
Flash Flood Warning 137, NWS Little Rock, AR
NWS Little Rock, AR issued this flash flood warning at Nov 21, 2011, 5:42 PM CST for Hot Spring 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, 5:42 PM CST (23:42 UTC)
- Expired
- Nov 21, 2011, 8:30 PM CST
- In force
- 3 hr
- Issued by
- NWS Little Rock, AR
- Area
- Storm-based polygon
- Flood severity
- None
County Hot Spring County, AR
The radar
The Little Rock radar (KLZK), 85 km from the middle of the area, began a volume at 23:44 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
Little Rock, AR (KLZK), launched 12:00Z, 11.7 hours before the alert went out and 280 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
- 2 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 457 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- -188 m²/s²
- 0-3 km storm-relative helicity
- -188 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, 3:49 PM CST, 1 hour 53 minutes earlier.
Area forecast discussion, Nov 21, 3:49 PM CST, 1 hour 53 minutes before
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Special weather statement, Nov 21, 12:00 PM CST, 5 hours 42 minutes before
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</html>Special weather statement, Nov 21, 4:44 PM CST, 58 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LITTLE ROCK AR 444 PM CST MON NOV 21 2011 ARZ056-057-064-212315- ARKANSAS AR-JEFFERSON AR-LINCOLN AR- 444 PM CST MON NOV 21 2011 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN LINCOLN... SOUTHEASTERN JEFFERSON AND ARKANSAS COUNTIES UNTIL 515 PM CST... AT 440 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR WOODVILLE...OR 15 MILES NORTHEAST OF STAR CITY...MOVING NORTHEAST AT 30 MPH. SMALL HAIL AROUND PEA SIZE...WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN. THE HEAVY RAIN MAY CAUSE LOCALIZED PONDING OF WATER ON ROADWAYS AND IN LOW LYING AREAS. * LOCATIONS IMPACTED INCLUDE... WOODVILLE... RICHARDSON... LITTLE BAYOU METO PARK... LINWOOD... LANGFORD... GRADY... GILLETT... ENGLISH LAKE... DOUGLAS... DE WITT... ALMYRA... VARNER... SWAN LAKE... STAPLE... SARASSA... REYDELL... MOSCOW... LODGE CORNER... 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 3454 9144 3420 9110 3399 9156 3416 9184 TIME...MOT...LOC 2243Z 241DEG 25KT 3412 9165 59
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, 5:10 AM CST | Flash Flood Warning | LZK | Pulaski, Saline | 3 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 |
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.