Alert archive / Arkansas / Flash Flood Warnings in 2011
Flash Flood Warning 63, NWS Tulsa, OK
NWS Tulsa, OK issued this flash flood warning at Aug 10, 2011, 5:24 AM CDT for Crawford County, Franklin County, Sebastian County, Arkansas. It was in force for 4 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 10, 2011, 5:24 AM CDT (10:24 UTC)
- Expired
- Aug 10, 2011, 9:30 AM CDT
- In force
- 4 hr
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Flood severity
- None
Counties Crawford County, AR, Franklin County, AR, Sebastian County, AR
The radar
The Western Arkansas radar (KSRX), 34 km from the middle of the area, began a volume at 10:27 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 10, 5:30 AM CDT | FLASH FLOOD | Fort Smith, AR | NUMEROUS REPORTS OF STREET FLOODING IN AND AROUND DOWNTOWN FORT SMITH. |
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, 10.4 hours before the alert went out and 171 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
- 350 J/kg
- Mixed-layer CIN
- -130 J/kg
- Mixed-layer LCL
- 1934 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 86 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
001
WGUS54 KTSA 101024
FFWTSA
ARC033-047-131-101430-
/O.NEW.KTSA.FF.W.0063.110810T1024Z-110810T1430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
524 AM CDT WED AUG 10 2011
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CRAWFORD COUNTY IN NORTHWEST ARKANSAS...
FRANKLIN COUNTY IN WEST CENTRAL ARKANSAS...
SEBASTIAN COUNTY IN WEST CENTRAL ARKANSAS...
* UNTIL 930 AM CDT
* AT 521 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAIN OVER THE WARNED AREA. ONE TO
TWO INCHES OF RAINFALL HAS ALREADY OCCURRED...MAINLY IN CRAWFORD
COUNTY...WITH AN ADDITIONAL 1 TO 3 INCHES POSSIBLE OVER CRAWFORD
FRANKLIN AND SEBASTIAN COUNTIES AS THE THUNDERSTORMS MOVE THROUGH.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT COULD EXPERIENCE FLOODING INCLUDE...
CEDARVILLE...CHARLESTON...FORT SMITH...MOUNTAINBURG...NATURAL
DAM...OZARK...VAN BUREN...ALMA...ALTUS...BARLING...BLOOMER...
BONANZA...BRANCH...BURNVILLE...CASS...CHESTER...DENNING...DYER...
EXCELSIOR...FERN...FIGURE FIVE...FORT CHAFFEE...GREENWOOD...
HACKETT...JENNY LIND...LAVACA...LEE CREEK...MULBERRY...RUDY AND
WIEDERKEHR VILLAGE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
LOW WATER CROSSINGS IN HILLY TERRAIN ARE ESPECIALLY DANGEROUS IN
HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED ROADS.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN TULSA.
&&
LAT...LON 3536 9374 3540 9380 3532 9381 3531 9383
3532 9390 3524 9393 3523 9402 3521 9403
3507 9444 3540 9443 3552 9446 3576 9447
3575 9378 3538 9372
$$3 follow-up statements
464
WGUS74 KTSA 101056
FFSTSA
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
556 AM CDT WED AUG 10 2011
ARC033-047-131-101430-
/O.CON.KTSA.FF.W.0063.000000T0000Z-110810T1430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRAWFORD AR-FRANKLIN AR-SEBASTIAN AR-
556 AM CDT WED AUG 10 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHERN SEBASTIAN...
FRANKLIN AND CRAWFORD COUNTIES UNTIL 930 AM CDT...
AT 552 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAIN OVER THE WARNED AREA. A BROAD
AREA OF 1 TO 2 INCHES OF RAINFALL HAS ALREADY OCCURRED ACROSS
NORTHERN SEBASTIAN COUNTY...CRAWFORD COUNTY...AND FRANKLIN COUNTY.
IN ADDITION...SMALL AREAS OF OVER THREE INCHES HAS ALREADY FALLEN
BETWEEN MULBERRY AND VESTA...AND ALSO JUST NORTHWEST OF ALMA.
AN ADDITIONAL INCH OF RAIN IS POSSIBLE OVER FRANKLIN COUNTY BY 630
THIS MORNING.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING
INCLUDE...CEDARVILLE...CHARLESTON...FORT SMITH...MOUNTAINBURG...
NATURAL DAM...OZARK...VAN BUREN...ALMA...ALTUS...BARLING...
BLOOMER...BRANCH...CASS...CHESTER...DENNING...DYER...FERN...FIGURE
FIVE...FORT CHAFFEE...JENNY LIND...LAVACA...LEE CREEK...
MULBERRY...RUDY AND WIEDERKEHR VILLAGE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
A MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE
WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN TULSA.
&&
LAT...LON 3536 9374 3540 9380 3532 9381 3531 9383
3532 9390 3524 9393 3523 9402 3521 9403
3525 9442 3540 9443 3555 9446 3576 9447
3575 9378 3538 9372
$$794
WGUS74 KTSA 101136
FFSTSA
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
636 AM CDT WED AUG 10 2011
ARC033-047-131-101430-
/O.CON.KTSA.FF.W.0063.000000T0000Z-110810T1430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRAWFORD AR-FRANKLIN AR-SEBASTIAN AR-
636 AM CDT WED AUG 10 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHERN SEBASTIAN...
FRANKLIN AND CRAWFORD COUNTIES UNTIL 930 AM CDT...
AT 630 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE HEAVY RAINFALL HAD ENDED ACROSS THE WARNED AREA. LIGHT RAIN
CONTINUES...BUT IS ENDING OVER WESTERN CRAWFORD COUNTY. THE RAIN
WILL END FROM THE WEST OVER SEBASTIAN AND FRANKLIN COUNTIES BETWEEN
7 AND 8 AM.
AN ADDITIONAL HALF INCH OF RAINFALL WILL BE POSSIBLE BEFORE THE RAIN
ENDS COMPLETELY.
THE HEAVIEST RAIN HAS OCCURRED AROUND LONE ELM AND ALSO BETWEEN
MULBERRY AND VESTA...EXTENDING EAST TOWARD MEG AND ALTUS.
THE WARNING WILL CONTINUE UNTIL RUNOFF FROM THIS RAINFALL HAS HAD
TIME TO RECEDE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
LOW WATER CROSSINGS IN HILLY TERRAIN ARE ESPECIALLY DANGEROUS IN
HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND
ALTERNATE ROUTES.
TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN TULSA.
&&
LAT...LON 3536 9374 3540 9380 3532 9381 3531 9383
3532 9390 3524 9393 3523 9402 3521 9403
3525 9442 3540 9443 3555 9446 3576 9447
3575 9378 3538 9372
$$770
WGUS74 KTSA 101223
FFSTSA
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
723 AM CDT WED AUG 10 2011
ARC033-047-131-101430-
/O.CON.KTSA.FF.W.0063.000000T0000Z-110810T1430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRAWFORD AR-FRANKLIN AR-SEBASTIAN AR-
723 AM CDT WED AUG 10 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHERN SEBASTIAN...
FRANKLIN AND CRAWFORD COUNTIES UNTIL 930 AM CDT...
AT 721 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE HEAVY RAINFALL HAD ENDED ACROSS THE WARNED AREA. ALTHOUGH LITTLE
OR NO SIGNIFICANT RAINFALL IS EXPECTED...THE WARNING WILL CONTINUE
TO ALLOW ANY HIGH WATER TO RECEDE.
RUNOFF FROM THIS EXCESSIVE RAINFALL MAY CAUSE FLASH FLOODING TO
OCCUR...ESPECIALLY OVER EASTERN CRAWFORD COUNTY AND WESTERN FRANKLIN
COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD TO
UNKNOWN DEPTHS. TAKE A DIFFERENT ROUTE TO REACH YOUR DESTINATION OR
WAIT UNTIL THE WATER RECEDES. REMEMBER...MOST FLOOD RELATED DEATHS
OCCUR IN AUTOMOBILES.
LOW WATER CROSSINGS IN HILLY TERRAIN ARE ESPECIALLY DANGEROUS IN
HEAVY RAIN. FIND ALTERNATE ROUTES IF WATER COVERS THE ROAD.
TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN TULSA.
&&
LAT...LON 3536 9374 3540 9380 3532 9381 3531 9383
3532 9390 3524 9393 3523 9402 3521 9403
3525 9442 3540 9443 3555 9446 3576 9447
3575 9378 3538 9372
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 3:48 AM CDT | Severe Thunderstorm Warning | TSA | Benton, Washington | 57 min |
| Aug 10, 4:33 AM CDT | Severe Thunderstorm Warning | TSA | Crawford, Franklin, Sebastian | 57 min |
| Aug 10, 4:50 AM CDT | Severe Thunderstorm Warning | TSA | Crawford, Franklin, Sebastian | 55 min |
| Aug 10, 5:12 AM CDT | Special Weather Statement | TSA | Carroll, Madison | 48 min |
| Aug 10, 5:38 AM CDT | Severe Thunderstorm Warning | TSA | Franklin, Sebastian | 37 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.