Alert archive / Arkansas / Flash Flood Warnings in 2007

Flash Flood Warning 97, NWS Tulsa, OK

September 9, 2007Crawford County, Sebastian County, Arkansas

NWS Tulsa, OK issued this flash flood warning at Sep 9, 2007, 3:47 AM CDT for Crawford County, Sebastian County, Arkansas. It was in force for 3 hr. 4 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Sep 9, 2007, 3:47 AM CDT (08:47 UTC)
Expired
Sep 9, 2007, 6:45 AM CDT
In force
3 hr
Issued by
NWS Tulsa, OK
Area
Whole counties

Counties Crawford County, AR, Sebastian County, AR

The radar

The Western Arkansas radar (KSRX), 15 km from the middle of the area, began a volume at 08:47 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 was reported inside it

TimeReportWhereRemark
Sep 9, 4:10 AM CDTFLASH FLOODFort Smith, ARMAJOR STREET FLOODING AND CARS STRANDED IN FORT SMITH.
Sep 9, 4:15 AM CDTFLASH FLOODVan Buren, ARMAJOR STREET FLOODING WITH SEVERAL ROADS CLOSED.
Sep 9, 4:47 AM CDTFLASH FLOODGreenwood, ARSTREETS FLOODED.
Sep 9, 6:20 AM CDTFLASH FLOODGreenwood, ARSEVERAL BUSINESS BUILDINGS FLOODED. GREENWOOD PD CLOSING NUMEROUS STREETS IN TOWN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 8.8 hours before the alert went out and 172 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.

Skew-T log-pSkew-T log-p diagram, Springfield, MO at 00:00Z on 2007-09-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 357 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2007-09-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS54 KTSA 090847
FFWTSA
ARC033-131-091145-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
347 AM CDT SUN SEP 9 2007

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN CRAWFORD COUNTY IN NORTHWEST ARKANSAS
  SEBASTIAN COUNTY IN WEST CENTRAL ARKANSAS

* UNTIL 645 AM CDT

* AT 343 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH HEAVY RAIN ALONG A LINE EXTENDING FROM 8 MILES
  SOUTHEAST OF DYER TO HACKETT...MOVING EAST AT 15 MPH. RADAR        
  INDICATES THAT 3 TO 4 INCHES OF RAIN HAS ALREADY FALLEN. ANOTHER   
  1 TO 3 INCHES WILL BE POSSIBLE THROUGH 645 AM CDT.

* LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY HEAVY RAIN
  INCLUDE...HARTFORD...MIDLAND...EXCELSIOR...BLOOMER...GREENWOOD...
  MANSFIELD...HUNTINGTON...BURNVILLE AND WASHBURN.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLASH FLOODS. IT IS VERY DIFFICULT AT NIGHT TO TELL HOW
MUCH WATER IS ON THE ROADS. IT ONLY TAKES TWO FEET OF RUSHING WATER
TO CARRY AWAY MOST SPORT UTILITY VEHICLES AND PICKUPS. MOTORISTS
SHOULD NOT DRIVE THROUGH WATER OF UNKNOWN DEPTH. TAKE A DIFFERENT 
ROUTE TO REACH YOUR DESTINATION OR WAIT UNTIL THE WATER RECEDES. 
TURN AROUND...DONT DROWN.

LAT...LON 3553 9406 3552 9445 3494 9443 3497 9424
      3509 9424 3517 9408

$$
2 follow-up statements
000 
WGUS74 KTSA 090931
FFSTSA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
431 AM CDT SUN SEP 9 2007

ARC033-131-091145-
SEBASTIAN AR-CRAWFORD AR-
431 AM CDT SUN SEP 9 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 AM CDT FOR
SOUTHERN CRAWFORD AND SEBASTIAN COUNTIES...

AT 428 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH HEAVY RAIN EXTENDING FROM VAN BUREN TO GREENWOOD 
TO MANSFIELD...MOVING SOUTHEAST AT 15 MPH. RADAR INDICATES THAT FOUR 
TO SIX INCHES OF RAIN HAS ALREADY FALLEN ACROSS PORTIONS OF THE 
WARNED AREA. ANOTHER 1 TO 2 INCHES WILL BE POSSIBLE THROUGH 645 AM 
CDT.

WIDSPREAD STREET FLOODING HAS BEEN REPORTED IN VAN BUREN AND IN FORT 
SMITH WITH SOME VEHICLES STRANDED IN HIGH WATER. FLOODING IS ALSO 
LIKELY ELSEWHERE ACROSS THE WARNED AREA.

SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY HEAVY RAIN
INCLUDE FIGURE FIVE...DYER...ALMA...VAN BUREN...BLOOMER...JENNY
LIND...BONANZA...LAVACA...BARLING...GREENWOOD AND FORT SMITH.

WHEN WATER COVERS THE ROADWAY REMEMBER...TURN AROUND DONT DROWN. IT
ONLY TAKES TWO FEET OF RUSHING WATER TO CARRY AWAY MOST SPORT UTILITY
VEHICLES AND PICKUPS. TAKE A DIFFERENT ROUTE TO REACH YOUR
DESTINATION OR WAIT UNTIL THE WATER RECEDES. REMEMBER...MOST FLOOD
RELATED DEATHS OCCUR IN AUTOMOBILES.

LAT...LON 3553 9406 3552 9445 3494 9443 3497 9424
      3509 9424 3517 9408

$$
000 
WGUS74 KTSA 091142
FFSTSA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
641 AM CDT SUN SEP 9 2007

ARC033-131-091149-
SEBASTIAN AR-CRAWFORD AR-
641 AM CDT SUN SEP 9 2007

...THE FLASH FLOOD WARNING FOR SOUTHERN CRAWFORD AND SEBASTIAN
COUNTIES EXPIRES AT 645 AM CDT...

THE HEAVY RAINFALL HAS ENDED ACROSS THE WARNED AREA...THEREFORE THE
FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE.

LIGHT TO MODERATE RAINFALL WILL CONTINUE OVER SOUTHERN SEBASTIAN 
COUNTY THROUGH 9 AM. PREVIOUS FLOODING THAT OCCURRED ACROSS SOUTHERN 
CRAWFORD AND SEBASTIAN COUNTIES WILL GRADUALLY SUBSIDE THIS MORNING. 
IN THE MEANTIME...MOTORISTS SHOULD AVOID FLOODED AREAS.

TO REPORT PREVIOUS FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
TULSA.

LAT...LON 3553 9406 3552 9445 3494 9443 3497 9424
      3509 9424 3517 9408

$$

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.