Alert archive / Arkansas / Flash Flood Warnings in 2007

Flash Flood Warning 64, NWS Tulsa, OK

July 5, 2007Washington County, Arkansas

NWS Tulsa, OK issued this flash flood warning at Jul 5, 2007, 6:00 PM CDT for Washington County, Arkansas. It was in force for 4 hr. 1 report 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
Jul 5, 2007, 6:00 PM CDT (23:00 UTC)
Expired
Jul 5, 2007, 10:00 PM CDT
In force
4 hr
Issued by
NWS Tulsa, OK
Area
Whole counties

County Washington County, AR

The radar

The Western Arkansas radar (KSRX), 78 km from the middle of the area, began a volume at 23:02 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
Jul 5, 6:20 PM CDTFLASH FLOOD2 N Canehill, ARLAW ENFORCEMENT CLOSED HIGHWAY 45 NORTH OF CANE HILL DUE TO HIGH WATER.

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 12:00Z, 11.0 hours before the alert went out and 109 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 12:00Z on 2007-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1096 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 12:00Z on 2007-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 square meters per square second.1939Sfc1 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
1096 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
848 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
-9 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KTSA 052301
FFWTSA
ARC143-060300-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
600 PM CDT THU JUL 5 2007

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN WASHINGTON COUNTY IN NORTHWEST ARKANSAS

* UNTIL 1000 PM CDT

* AT 555 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH HEAVY RAIN ALONG A LINE EXTENDING FROM 9 MILES
  WEST OF STRICKLER TO 3 MILES WEST OF GREENLAND...MOVING WEST AT    
  15 MPH. RADAR INDICATES THAT 2 TO 4 INCHES OF RAIN HAS ALREADY     
  FALLEN. ANOTHER 2 TO 4 INCHES WILL BE POSSIBLE THROUGH 1000 PM     
  CDT.

* LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY HEAVY RAIN          
  INCLUDE...PRAIRIE GROVE...LINCOLN...STRICKLER...AND MORROW.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD TO
UNKNOWN DEPTHS. 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.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR IS
OCCURRING. RESIDENTS LIVING ALONG STREAMS...CREEKS AND DRAINAGE
DITCHES SHOULD BE READY TO TAKE IMMEDIATE ACTION IF FLOODING IS
OBSERVED. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATER BY FOOT OR BY
AUTO...YOU MAY BE SWEPT AWAY BY THE STRONG CURRENT. 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.

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT ONLY TAKES TWO FEET OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.

LAT...LON 3577 9404 3601 9405 3599 9453 3575 9448

$$
2 follow-up statements
000 
WGUS74 KTSA 060005
FFSTSA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
704 PM CDT THU JUL 5 2007

ARC143-060300-
WASHINGTON AR-
704 PM CDT THU JUL 5 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR
SOUTHERN WASHINGTON COUNTY...

AT 702 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT LIGHT TO MODERATE RAIN CONTINUED ACROSS SOUTHERN WASHINGTON  
COUNTY.  RADAR ESTIMATES THAT 3 TO 5 INCHES OF RAIN FELL WITHIN A 
FEW HOURS TIME ACROSS THIS AREA.  THIS TYPE OF RAINFALL WILL OFTEN 
LEAD TO FLASH FLOODING...AND ROADWAYS MAY REMAIN FLOODED WELL AFTER 
THE RAIN HAS ENDED.  THEREFORE...THE FLASH FLOOD WARNING REMAINS IN 
EFFECT FOR SOUTHERN WASHINGTON COUNTY.  ANY ADDITIONAL RAINFALL
THROUGH 1000 PM CDT WILL BE LESS THAN ONE HALF INCH.

SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY FLASH FLOODING 
INCLUDE GREENLAND...PRAIRIE GROVE...LINCOLN AND WEST FORK.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD TO
UNKNOWN DEPTHS. 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.

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT ONLY TAKES TWO FEET OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.

LAT...LON 3577 9404 3601 9405 3599 9453 3575 9448

$$
000 
WGUS74 KTSA 060220
FFSTSA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
920 PM CDT THU JUL 5 2007

ARC143-060230-
WASHINGTON AR-
920 PM CDT THU JUL 5 2007

...THE FLASH FLOOD WARNING FOR SOUTHERN WASHINGTON COUNTY IS
CANCELLED...

THE HEAVY RAINFALL HAS ENDED ACROSS THE WARNED AREA...THEREFORE THE
FLASH FLOOD WARNING HAS BEEN CANCELLED.

SCATTERED LIGHT RAIN MAY CONTINUE THROUGH THE REMAINDER OF THE 
EVENING HOURS...HOWEVER WIDESPREAD HEAVY RAIN IS NOT EXPECTED.  
THEREFORE THE RISK OF ADDITIONAL FLASH FLOODING HAS DIMINISHED.

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

LAT...LON 3577 9404 3601 9405 3599 9453 3575 9448

$$

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 4, 8:55 PM CDTSpecial Weather StatementTSAFranklin65 min
Jul 5, 4:25 PM CDTFlash Flood WarningTSAMadison4 hr
Jul 5, 4:44 PM CDTFlash Flood WarningTSAFranklin4 hr
Jul 5, 4:51 PM CDTSpecial Weather StatementTSAFranklin24 min
Jul 5, 4:53 PM CDTSevere Thunderstorm WarningTSAFranklin52 min
Jul 5, 4:58 PM CDTSevere Thunderstorm WarningTSACrawford62 min
Jul 5, 5:21 PM CDTSevere Thunderstorm WarningTSASebastian54 min

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.