Alert archive / Arkansas / Flash Flood Warnings in 2009

Flash Flood Warning 89, NWS Little Rock, AR

August 10, 2009Johnson County, Logan County, Arkansas

NWS Little Rock, AR issued this flash flood warning at Aug 10, 2009, 9:37 PM CDT for Johnson County, Logan 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
Aug 10, 2009, 9:37 PM CDT (02:37 UTC)
Expired
Aug 11, 2009, 12:30 AM CDT
In force
3 hr
Issued by
NWS Little Rock, AR
Area
Storm-based polygon
Flood severity
None

Counties Johnson County, AR, Logan County, AR

The radar

The Western Arkansas radar (KSRX), 71 km from the middle of the area, began a volume at 02:39 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.

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 Aug 10, 6:46 PM CDT, 2 hours 51 minutes earlier.

Area forecast discussion, Aug 10, 6:46 PM CDT, 2 hours 51 minutes before
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Hazardous weather outlook, Aug 10, 5:00 AM CDT, 16 hours 37 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LITTLE ROCK AR
500 AM CDT MON AUG 10 2009

ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-111000-
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 MON AUG 10 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR A LARGE PART OF ARKANSAS.

.DAY ONE...TODAY AND TONIGHT

A COLD FRONT OVER MISSOURI THIS MORNING WILL MOVE SLOWLY SOUTH
TODAY. ISOLATED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE OVER
NORTHERN ARKANSAS THIS AFTERNOON. WHILE WIDESPREAD SEVERE WEATHER IS
NOT EXPECTED...STORMS COULD BRING SMALL HAIL...GUSTY WINDS AND HEAVY
RAINFALL.

DUE TO HIGH MOISTURE LEVELS ACROSS THE REGION...HEAT INDEX READINGS
WILL REMAIN A CONCERN. HEAT INDEX VALUES OF 95 TO 105 DEGREES WILL
CONTINUE THROUGH MUCH OF THE UPCOMING WEEK. INDIVIDUALS WORKING
OUTDOORS SHOULD TAKE PRECAUTIONS TO PROTECT THEMSELVES FROM HEAT
RELATED ILLNESSES...BY TAKING FREQUENT BREAKS AND DRINKING PLENTY OF
WATER.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

SHOWERS AND THUNDERSTORMS MAY ORGANIZE INTO A LARGE COMPLEX MONDAY
NIGHT...AND IF THIS COMPLEX FORMS...STORMS WILL MOVE INTO ARKANSAS
EARLY TUESDAY. IF THE STORMS DEVELOP...GUSTY WINDS AND HEAVY
RAINFALL WILL BE THE MAIN CONCERNS.

THE FRONT WILL MOVE THROUGH THE STATE TUESDAY AND WEDNESDAY...WITH
RAIN CHANCES CONTINUING. DRY WEATHER WILL RETURN FOR THE END OF THE
WORK WEEK...BEFORE ISOLATED SHOWERS AND THUNDERSTORMS REENTER FOR
FORECAST LATE IN THE WEEKEND...AS GULF MOISTURE MOVES NORTH.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED TUESDAY.

&&

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, Aug 10, 4:18 PM CDT, 5 hours 19 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
418 PM CDT MON AUG 10 2009

ARZ023-102150-
VAN BUREN-
418 PM CDT MON AUG 10 2009

...SIGNIFICANT WEATHER ALERT FOR VAN BUREN COUNTY UNTIL 450 PM CDT...

AT 418 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR CLINTON...MOVING EAST AT 15 MPH.

SMALL HAIL...AND WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS
STORM.

AREAS THAT WILL BE AFFECTED INCLUDE FAIRFIELD BAY MARINA...GREERS
FERRY LAKE...FAIRFIELD BAY AND SHIRLEY.

FREQUENT...DANGEROUS LIGHTNING IS OCCURRING WITH THIS STORM. IF
OUTDOORS...STAY AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE
INDOORS IF POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS
AND AVOID USING TELEPHONES UNLESS IT IS AN EMERGENCY.

TORRENTIAL DOWNPOURS MAY CAUSE LOCALIZED MINOR FLOODING IN LOW LYING
AREAS. MOTORISTS SHOULD BE ADVISED TO EXPECT REDUCED VISIBILITY DUE
TO THE VERY HEAVY RAIN.

62
Local storm report, Aug 10, 4:47 PM CDT, 4 hours 50 minutes before
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Local storm report, Aug 10, 4:57 PM CDT, 4 hours 40 minutes before
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Special weather statement, Aug 10, 4:57 PM CDT, 4 hours 40 minutes before
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Special weather statement, Aug 10, 5:51 PM CDT, 3 hours 46 minutes before
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Special weather statement, Aug 10, 6:17 PM CDT, 3 hours 20 minutes before
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The office that day

Everything else NWS Little Rock, AR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 10, 7:16 PM CDTSevere Thunderstorm WarningLZKConway, Faulkner, Perry44 min
Aug 10, 7:36 PM CDTSevere Thunderstorm WarningLZKJohnson, Logan54 min
Aug 10, 8:08 PM CDTSevere Thunderstorm WarningLZKFaulkner, Lonoke, Pulaski, White57 min
Aug 11, 2:33 AM CDTFlash Flood WarningLZKClark, Dallas, Ouachita, Pike117 min

Nearby

Flash Flood Warnings in Arkansas, 2009Every flash flood warning in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.