Alert archive / Arkansas / Flash Flood Warnings in 2011

Flash Flood Warning 35, NWS Tulsa, OK

May 22, 20114 counties in Arkansas

NWS Tulsa, OK issued this flash flood warning at May 22, 2011, 9:19 PM CDT for 4 counties in Arkansas. It was in force for 6 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
May 22, 2011, 9:19 PM CDT (02:19 UTC)
Expired
May 23, 2011, 3:30 AM CDT
In force
6 hr
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Flood severity
None

Counties Benton County, AR, Carroll County, AR, Madison County, AR, Washington County, AR

The radar

The Western Arkansas radar (KSRX), 115 km from the middle of the area, began a volume at 02:19 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
May 23, 12:46 AM CDTFLASH FLOODPea Ridge, ARHWY 94 AND WILDFLOWER NEAR PEA RIDGE UNDER WATER...RELAYED BY KNWA.

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, 2.3 hours before the alert went out and 73 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 2011-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3961 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2011-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 183 square meters per square second.19395878Sfc1 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
3961 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
641 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
183 m²/s²
0-3 km storm-relative helicity
180 m²/s²
Significant tornado parameter
3.7
Supercell composite
15.9

Open this sounding in Storm Lab

The text

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

325 
WGUS54 KTSA 230219
FFWTSA
ARC007-015-087-143-230830-
/O.NEW.KTSA.FF.W.0035.110523T0219Z-110523T0830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
919 PM CDT SUN MAY 22 2011

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BENTON COUNTY IN NORTHWEST ARKANSAS...
  CARROLL COUNTY IN NORTHWEST ARKANSAS...
  NORTHEASTERN WASHINGTON COUNTY IN NORTHWEST ARKANSAS...
  NORTHERN MADISON COUNTY IN NORTHWEST ARKANSAS...

* UNTIL 330 AM CDT MONDAY

* AT 919 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  THUNDERSTORMS WITH VERY HEAVY RAIN OVER THE WARNED AREA. 1 TO 3    
  INCHES OF RAINFALL HAS ALREADY OCCURRED WITH AN ADDITIONAL 1 TO 3  
  INCHES POSSIBLE.   

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT COULD EXPERIENCE FLOODING INCLUDE...
  BENTONVILLE...BERRYVILLE...EUREKA SPRINGS...ROGERS...SPRINGDALE...
  BEAVER...BELLA VISTA...CARROLLTON...CAVE SPRINGS...CLIFTY...
  DECATUR...FORUM...GARFIELD...GATEWAY...GENTRY...GRANDVIEW...
  GRAVETTE...GREEN FOREST...HIGHFILL...HINDSVILLE...HIWASSE...
  LOWELL...MARBLE...OAK GROVE...PEA RIDGE...RUDD...RULE...
  SPRINGTOWN...TONTITOWN AND URBANETTE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.

&&

LAT...LON 3610 9370 3610 9426 3624 9449 3649 9452
      3650 9329 3622 9329

$$
3 follow-up statements
022 
WGUS74 KTSA 230253
FFSTSA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
953 PM CDT SUN MAY 22 2011

ARC007-015-087-143-230830-
/O.CON.KTSA.FF.W.0035.000000T0000Z-110523T0830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BENTON AR-CARROLL AR-MADISON AR-WASHINGTON AR-
953 PM CDT SUN MAY 22 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHEASTERN
WASHINGTON...NORTHERN MADISON...CARROLL AND BENTON COUNTIES IN
NORTHWEST ARKANSAS UNTIL 330 AM CDT...

AT 952 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAIN OVER THE WARNED AREA. 1 TO 3 
INCHES OF RAINFALL HAS ALREADY OCCURRED...PRIMARILY OVER NORTHERN 
BENTON AND CARROLL COUNTIES.  AN ADDITIONAL 1 TO 3 INCHES IS 
POSSIBLE ACROSS CARROLL AND NORTHERN MADISON COUNTY. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
BENTONVILLE...BERRYVILLE...EUREKA SPRINGS...ROGERS...SPRINGDALE...
BEAVER...BELLA VISTA...CARROLLTON...CAVE SPRINGS...CLIFTY...
DECATUR...FORUM...GARFIELD...GATEWAY...GENTRY...GRANDVIEW...
GRAVETTE...GREEN FOREST...HIGHFILL...HINDSVILLE...HIWASSE...LOWELL...
MARBLE...OAK GROVE...PEA RIDGE...RUDD...RULE...SPRINGTOWN...TONTITOWN
AND URBANETTE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.

&&

LAT...LON 3610 9370 3610 9426 3624 9449 3649 9452
      3650 9329 3622 9329

$$
517 
WGUS74 KTSA 230449
FFSTSA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1149 PM CDT SUN MAY 22 2011

ARC007-015-087-143-230830-
/O.CON.KTSA.FF.W.0035.000000T0000Z-110523T0830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BENTON AR-CARROLL AR-MADISON AR-WASHINGTON AR-
1149 PM CDT SUN MAY 22 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHEASTERN
WASHINGTON...NORTHERN MADISON...CARROLL AND BENTON COUNTIES IN
NORTHWEST ARKANSAS UNTIL 330 AM CDT...

AT 1149 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUING TO DEVELOP OVER THE 
WARNED AREA. 2 TO 4 INCHES OF RAINFALL HAS ALREADY OCCURRED WITH AN 
ADDITIONAL 1 TO 2 INCHES POSSIBLE. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
BENTONVILLE...BERRYVILLE...EUREKA SPRINGS...ROGERS...SPRINGDALE...
BEAVER...BELLA VISTA...CARROLLTON...CAVE SPRINGS...CLIFTY...
DECATUR...FORUM...GARFIELD...GATEWAY...GENTRY...GRANDVIEW...
GRAVETTE...GREEN FOREST...HIGHFILL...HINDSVILLE...HIWASSE...LOWELL...
MARBLE...OAK GROVE...PEA RIDGE...RUDD...RULE...SPRINGTOWN...TONTITOWN
AND URBANETTE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.

&&

LAT...LON 3610 9370 3610 9426 3624 9449 3649 9452
      3650 9329 3622 9329

$$
751 
WGUS74 KTSA 230622
FFSTSA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
122 AM CDT MON MAY 23 2011

ARC007-015-087-143-230830-
/O.CON.KTSA.FF.W.0035.000000T0000Z-110523T0830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BENTON AR-CARROLL AR-MADISON AR-WASHINGTON AR-
122 AM CDT MON MAY 23 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHEASTERN
WASHINGTON...NORTHERN MADISON...CARROLL AND BENTON COUNTIES IN
NORTHWEST ARKANSAS UNTIL 330 AM CDT...

AT 121 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE HEAVY RAINFALL HAD FOR THE MOST PART ENDED ACROSS THE WARNED 
AREA. ALTHOUGH NO ADDITIONAL RAINFALL IS EXPECTED...2 TO 3 INCHES OF 
RAIN HAS ALREADY FALLEN AND FLOODING OF LOW LYING AREAS WILL LIKELY 
CONTINUE. AT 1246 AM...HIGHWAY 94 AND WILDFLOWER NEAR PEA RIDGE WAS 
UNDER WATER. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
BENTONVILLE...BERRYVILLE...EUREKA SPRINGS...ROGERS...SPRINGDALE...
BEAVER...BELLA VISTA...CARROLLTON...CAVE SPRINGS...CLIFTY...
DECATUR...FORUM...GARFIELD...GATEWAY...GENTRY...GRANDVIEW...
GRAVETTE...GREEN FOREST...HIGHFILL...HINDSVILLE...HIWASSE...LOWELL...
MARBLE...OAK GROVE...PEA RIDGE...RUDD...RULE...SPRINGTOWN...TONTITOWN
AND URBANETTE.

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. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.

&&

LAT...LON 3610 9370 3610 9426 3624 9449 3649 9452
      3650 9329 3622 9329

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 22, 7:39 PM CDTTornado WarningTSABenton36 min
May 22, 7:52 PM CDTSevere Thunderstorm WarningTSABenton, Carroll, Madison38 min
May 22, 8:09 PM CDTSevere Thunderstorm WarningTSABenton, Washington66 min
May 22, 8:16 PM CDTTornado WarningTSABenton, Washington29 min
May 22, 8:20 PM CDTTornado WarningTSABenton55 min
May 22, 8:30 PM CDTSevere Thunderstorm WarningTSABenton, Carroll, Madison60 min
May 22, 8:39 PM CDTTornado WarningTSABenton16 min
May 22, 8:45 PM CDTTornado WarningTSABenton, Washington45 min
May 22, 9:30 PM CDTSevere Thunderstorm WarningTSACarroll, Madison60 min
May 22, 10:27 PM CDTSevere Thunderstorm WarningTSABenton, Carroll63 min
May 22, 10:33 PM CDTSevere Thunderstorm WarningTSABenton57 min
May 22, 10:37 PM CDTSpecial Weather StatementTSACrawford23 min
May 22, 10:46 PM CDTTornado WarningTSABenton44 min
May 22, 10:50 PM CDTSevere Thunderstorm WarningTSACrawford, Sebastian, Washington40 min
May 22, 11:01 PM CDTSevere Thunderstorm WarningTSACrawford, Franklin, Sebastian59 min
May 22, 11:01 PM CDTTornado WarningTSABenton29 min
May 22, 11:12 PM CDTTornado WarningTSABenton, Washington33 min
May 22, 11:24 PM CDTTornado WarningTSABenton36 min
May 22, 11:36 PM CDTSevere Thunderstorm WarningTSABenton, Carroll, Madison, Washington39 min
May 22, 11:45 PM CDTTornado WarningTSABenton45 min
May 23, 12:29 AM CDTSpecial Weather StatementTSACarroll31 min
May 23, 1:05 AM CDTSpecial Weather StatementTSACarroll25 min
May 23, 3:31 AM CDTAreal Flood WarningTSABenton, Carroll, Madison, Washington6 hr
May 23, 11:53 AM CDTAreal Flood WarningTSACarroll12 hr
May 23, 12:26 PM CDTFlash Flood WarningTSABenton, Washington4 hr
May 23, 12:45 PM CDTFlash Flood WarningTSACarroll, Madison4 hr
May 23, 1:03 PM CDTSpecial Weather StatementTSAWashington27 min
May 23, 1:28 PM CDTSevere Thunderstorm WarningTSAWashington47 min
May 23, 1:38 PM CDTFlash Flood WarningTSABenton6 hr
May 23, 2:15 PM CDTSevere Thunderstorm WarningTSAWashington60 min
May 23, 2:22 PM CDTFlash Flood WarningTSAWashington4 hr
May 23, 2:53 PM CDTSevere Thunderstorm WarningTSAMadison52 min
May 23, 3:06 PM CDTRiver Flood WarningTSACarroll19 hr
May 23, 3:06 PM CDTSpecial Weather StatementTSAWashington24 min
May 23, 3:20 PM CDTFlash Flood WatchTSABenton, Carroll, Madison, Washington34 hr
May 23, 3:30 PM CDTFlash Flood WarningTSACarroll, Madison4 hr
May 23, 3:40 PM CDTSevere Thunderstorm WarningTSACrawford, Franklin50 min
May 23, 3:57 PM CDTSevere Thunderstorm WarningTSAMadison22 min
May 23, 4:26 PM CDTSevere Thunderstorm WarningTSAFranklin19 min
May 23, 4:31 PM CDTFlash Flood WarningTSABenton4 hr
May 23, 5:17 PM CDTSpecial Weather StatementTSACarroll, Madison58 min
May 23, 6:17 PM CDTFlash Flood WarningTSAWashington6 hr

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.