Alert archive / Arkansas / Flash Flood Warnings in 2007
Flash Flood Warning 92, NWS Little Rock, AR
NWS Little Rock, AR issued this flash flood warning at Sep 9, 2007, 6:36 AM CDT for Polk 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
- Sep 9, 2007, 6:36 AM CDT (11:36 UTC)
- Expired
- Sep 9, 2007, 9:30 AM CDT
- In force
- 3 hr
- Issued by
- NWS Little Rock, AR
- Area
- Whole counties
County Polk County, AR
The radar
The Western Arkansas radar (KSRX), 90 km from the middle of the area, began a volume at 11:38 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, 11.6 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
- 357 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 608 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.7
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 Sep 9, 5:10 AM CDT, 1 hour 26 minutes earlier.
Area forecast discussion, Sep 9, 5:10 AM CDT, 1 hour 26 minutes before
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</html>Hazardous weather outlook, Sep 9, 5:00 AM CDT, 1 hour 36 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LITTLE ROCK AR 500 AM CDT SUN SEP 9 2007 ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-101000- 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 A CDT SUN SEP 9 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR A LARGE PART OF ARKANSAS. .DAY ONE...TODAY AND TONIGHT A NEARLY STATIONARY FRONT ACROSS NORTHERN ARKANSAS ALONG WITH TROPICAL MOISTURE LEFT OVER FROM A PACIFIC HURRICANE WILL RESULT IN SHOWERS AND THUNDERSTORMS ACROSS MUCH OF NORTHERN AND CENTRAL ARKANSAS TODAY. THESE SHOWERS AND THUNDERSTORMS MAY EVENTUALLY DRIFT INTO SOUTHERN ARKANSAS BY THIS AFTERNOON AND TONIGHT. LOCALLY HEAVY RAINS WILL REMAIN LIKELY WITH SOME AREAS POSSIBLY GETTING AN INCH OR TWO OF RAIN IN AN HOUR. THIS COULD RESULT IN FLOODING OF LOW LYING AND POOR DRAINAGE AREAS AND SOME FLASH FLOODING COULD RESULT ESPECIALLY IN AREAS OF NORTHERN ARKANSAS WHERE HEAVY RAINS HAVE FALLEN DURING THE PAST TWO DAYS. A FLASH FLOOD WATCH IS IN EFFECT UNTIL 4 PM CDT FOR MOST OF NORTHERN AND CENTRAL ARKANSAS. LITTLE IF ANY SEVERE WEATHER IS EXPECTED...BUT ISOLATED DAMAGING WIND GUSTS CANNOT BE RULED OUT ESPECIALLY DURING THE MID TO LATE AFTERNOON HOURS. AREAS OF DENSE FOG WILL BE POSSIBLE THIS MORNING ESPECIALLY IN EXTREME NORTHERN ARKANSAS WHERE HEAVY RAINS FELL EARLIER SATURDAY NIGHT AND RAIN HAS ENDED. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY THE FRONTAL SYSTEM AND TROPICAL MOISTURE WILL REMAIN ACROSS ARKANSAS UNTIL AROUND TUESDAY WHEN AN UPPER LOW HELPS PUSH A COLD FRONT ACROSS THE AREA WHICH MAY TAKE OUT SOME OF THE MOISTURE. UNTIL THEN THERE WILL CONTINUE TO BE A CHANCE OF HEAVY RAIN AND FLOODING. A STRONG COLD FRONT WILL LIKELY MOVE ACROSS ARKANSAS LATE IN THE WEEK. AT THIS TIME MOISTURE WITH THIS FRONT APPEARS TO BE LIMITED SO NO SIGNIFICANT SEVERE WEATHER OR HEAVY RAIN IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. && VISIT NWS LITTLE ROCK ON THE WEB. GO TO WEATHER.GOV AND CLICK ON CENTRAL ARKANSAS. 29
The office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 8, 8:54 PM CDT | River Flood Warning | LZK | Jackson, Woodruff | 12 days |
| Sep 9, 5:03 AM CDT | Flash Flood Warning | LZK | Pope, Yell | 3 hr |
| Sep 9, 5:07 AM CDT | Flash Flood Warning | LZK | Cleburne, White | 3 hr |
Nearby
Flash Flood Warnings in Arkansas, 2007Every flash flood warning in 2007
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.