Alert archive / Oklahoma / Flash Flood Warnings in 2011

Flash Flood Warning 40, NWS Tulsa, OK

May 23, 20115 counties in Oklahoma; Benton County, Arkansas

NWS Tulsa, OK issued this flash flood warning at May 23, 2011, 1:38 PM CDT for 5 counties in Oklahoma; Benton County, Arkansas. It was in force for 6 hr. 3 reports 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 23, 2011, 1:38 PM CDT (18:38 UTC)
Expired
May 23, 2011, 7:30 PM CDT
In force
6 hr
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Flood severity
None

Counties Benton County, AR, Craig County, OK, Delaware County, OK, Nowata County, OK, Ottawa County, OK, Rogers County, OK

The radar

The Tulsa radar (KINX), 66 km from the middle of the area, began a volume at 18:38 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.

What was reported inside it

TimeReportWhereRemark
May 23, 3:15 PM CDTFLASH FLOOD8 E Nowata, OKMANY COUNTY ROADS FLOODED ESPECIALLY IN EAST AND SOUTHEAST PART OF COUNTY. WATER RESCUE AT HIGHWAY 60 AND 28 IN EASTERN PART OF COUNTY.
May 23, 3:19 PM CDTFLASH FLOODMiami, OKADDITIONAL ROAD CLOSURES IN MIAMI INCLUDE ELM STREET...11TH E NE...H NW...BJ TUNNEL...HIGHWAY 69A AT BUFFALO RUN...5TH B SW...20TH K SW...HIGHWAY 10 AT TURNPIKE CHRYSLER...AND TRUCK ROUTE.
May 23, 7:00 PM CDTFLASH FLOODChelsea, OKFFW040 - WATER OVER SEVERAL ROADS. TWO ROADS CLOSED.

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, 6.6 hours before the alert went out and 114 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 2011-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1041 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 2011-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 247 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
1041 J/kg
Mixed-layer CIN
-257 J/kg
Mixed-layer LCL
1640 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
247 m²/s²
0-3 km storm-relative helicity
224 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

599 
WGUS54 KTSA 231838
FFWTSA
ARC007-OKC035-041-105-115-131-240030-
/O.NEW.KTSA.FF.W.0040.110523T1838Z-110524T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
138 PM CDT MON MAY 23 2011

THE NATIONAL WEATHER SERVICE IN TULSA HAS EXTENDED THE 

* FLASH FLOOD WARNING FOR...
  CRAIG COUNTY IN NORTHEAST OKLAHOMA...
  DELAWARE COUNTY IN NORTHEAST OKLAHOMA...
  EXTREME NORTHWESTERN BENTON COUNTY IN NORTHWEST ARKANSAS...
  NORTHEASTERN ROGERS COUNTY IN NORTHEAST OKLAHOMA...
  OTTAWA COUNTY IN NORTHEAST OKLAHOMA...
  SOUTHERN NOWATA COUNTY IN NORTHEAST OKLAHOMA...

* UNTIL 730 PM CDT

* AT 135 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
THUNDERSTORMS WITH VERY HEAVY RAIN OVER THE WARNED AREA. FIVE TO 
EIGHT INCHES OF RAINFALL HAS ALREADY OCCURRED WITH AN ADDITIONAL 2 
TO 3 INCHES POSSIBLE FOR SOME AREAS.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT COULD EXPERIENCE FLOODING INCLUDE...
  JAY...MIAMI...NOWATA...VINITA...AFTON...BERNICE...BIG CABIN...
  BLUEJACKET...CHELSEA...CHLOETA...CLEORA...COLCORD...COMMERCE...
  DELAWARE...FAIRLAND...GROVE...I-44 NEAR MILE MARKER 0...KETCHUM...
  MAYSVILLE...NARCISSA...NEW ALLUWE...PICHER...QUAPAW...WATOVA...
  WELCH...WEST SILOAM SPRINGS...WHITE OAK AND WYANDOTTE.

MAJOR FLOODING IS OCCURRING ACROSS PORTIONS OF CRAIG COUNTY...AND IS 
EXPANDING EAST INTO PORTIONS OF OTTAWA COUNTY. 

RUNOFF FROM RAIN IN NOWATA COUNTY MAY AFFECT PORTIONS OF NORTHEAST 
ROGERS COUNTY DURING THE AFTERNOON. 

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. IT ONLY TAKES A FEW INCHES OF SWIFTLY FLOWING WATER
TO CARRY VEHICLES AWAY.

&&

LAT...LON 3651 9461 3650 9457 3617 9455 3632 9501
      3652 9501 3651 9543 3660 9566 3672 9574
      3700 9540 3700 9461

$$
2 follow-up statements
150 
WGUS74 KTSA 232106
FFSTSA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
406 PM CDT MON MAY 23 2011

ARC007-OKC035-041-105-115-131-240030-
/O.CON.KTSA.FF.W.0040.000000T0000Z-110524T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BENTON AR-CRAIG OK-DELAWARE OK-NOWATA OK-OTTAWA OK-ROGERS OK-
406 PM CDT MON MAY 23 2011

...MAJOR FLOODING OCCURRING IN PARTS OF OTTAWA...CRAIG...AND NOWATA 
COUNTIES...

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHEASTERN ROGERS...
OTTAWA...SOUTHERN NOWATA...DELAWARE...CRAIG AND EXTREME NORTHWESTERN
BENTON COUNTIES UNTIL 730 PM CDT...

AT 400 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS THAT AS MUCH AS 10 INCHES OF RAIN MAY HAVE FALLEN 
TODAY...IN A SWATH FROM JUST WEST OF MIAMI TO PYRAMID CORNERS TO 
SOUTH OF CENTRALIA AND ON INTO SOUTHEAST NOWATA COUNTY. AS MUCH AS 4 
TO 5 INCHES MAY HAVE FALLEN AS FAR NORTH AS THE KANSAS BORDER AND 
INTO PORTIONS OF SOUTHERN OTTAWA COUNTY AND PARTS OF SOUTHERN CRAIG 
COUNTY. MAJOR FLOODING HAS BEEN REPORTED IN THESE COUNTIES. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO 
OCCUR. MANY RURAL AND COUNTY ROADS HAVE BEEN CLOSED DUE TO HIGH 
WATER. HIGHWAY 60 WEST ABOUT 10 MILES EAST OF NOWATA IS UNDER WATER. 
WATER RESCUES HAVE BEEN REPORTED. ROADS ARE CLOSED NORTH OF 
VINITA...EAST OF WELCH...EAST OF BLUEJACKET...AND IN MIAMI. 

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. IT ONLY TAKES A FEW INCHES OF SWIFTLY FLOWING WATER
TO CARRY VEHICLES AWAY.

&&

LAT...LON 3651 9461 3650 9457 3617 9455 3632 9501
      3652 9501 3651 9543 3660 9566 3672 9574
      3700 9540 3700 9461

$$
153 
WGUS74 KTSA 232226
FFSTSA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
526 PM CDT MON MAY 23 2011

ARC007-OKC035-041-105-115-131-240030-
/O.CON.KTSA.FF.W.0040.000000T0000Z-110524T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BENTON AR-CRAIG OK-DELAWARE OK-NOWATA OK-OTTAWA OK-ROGERS OK-
526 PM CDT MON MAY 23 2011

...LIFE THREATENING FLOODING OCCURRING IN PARTS OF 
OTTAWA...CRAIG...NOWATA AND DELAWARE COUNTIES...

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHEASTERN ROGERS...
OTTAWA...SOUTHERN NOWATA...DELAWARE...CRAIG AND EXTREME NORTHWESTERN
BENTON COUNTIES UNTIL 730 PM CDT...

AT 522 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS THAT AS MUCH AS 10 INCHES OF RAIN MAY HAVE FALLEN 
TODAY...IN A SWATH FROM JUST WEST OF MIAMI TO PYRAMID CORNERS TO 
SOUTH OF CENTRALIA AND ON INTO SOUTHEAST NOWATA COUNTY. AS MUCH AS 4 
TO 5 INCHES HAS FALLEN AS FAR NORTH AS THE KANSAS BORDER AND INTO 
PORTIONS OF SOUTHERN OTTAWA COUNTY AND PARTS OF SOUTHERN CRAIG 
COUNTY. AREAS OF SHOWERS AND THUNDERSTORMS WILL CONTINUE TO MOVE 
ACROSS PARTS OF THE WARNING AREA THROUGH 730 PM...WITH ANOTHER LOCAL 
1 TO 2 INCHES OF RAIN POSSIBLE.

MAJOR FLOODING HAS BEEN REPORTED IN THESE COUNTIES...WITH SEVERAL 
ONGOING WATER RESCUES NEAR VINITA. MAJOR FLOODING WAS REPORTED IN 
THE TOWN OF ZENA IN DELAWARE COUNTY.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
JAY...MIAMI...NOWATA...VINITA...AFTON...BERNICE...BIG CABIN...
BLUEJACKET...CHELSEA...CHLOETA...CLEORA...COLCORD...COMMERCE...
DELAWARE...FAIRLAND...GROVE...I-44 NEAR MILE MARKER 0...KETCHUM...
MAYSVILLE...NARCISSA...NEW ALLUWE...PICHER...QUAPAW...WATOVA...
WELCH...WHITE OAK AND WYANDOTTE.

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.

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN VEHICLES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...DIPS...
OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM... EVEN A
SMALL ONE...ON FOOT OR IN A VEHICLE.

&&

LAT...LON 3651 9461 3650 9457 3617 9455 3632 9501
      3652 9501 3651 9543 3660 9566 3672 9574
      3700 9540 3700 9461

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 22, 7:00 PM CDTSevere Thunderstorm WarningTSAMcIntosh, Okfuskee, Okmulgee45 min
May 22, 7:13 PM CDTTornado WarningTSAAdair, Cherokee, Delaware, Mayes62 min
May 22, 7:26 PM CDTSevere Thunderstorm WarningTSAMcIntosh, Muskogee49 min
May 22, 7:38 PM CDTAreal Flood AdvisoryTSADelaware, Ottawa112 min
May 22, 7:39 PM CDTFlash Flood WarningTSADelaware4 hr
May 22, 7:39 PM CDTTornado WarningTSADelaware, Ottawa36 min
May 22, 7:46 PM CDTSevere Thunderstorm WarningTSAMcIntosh, Muskogee, Okfuskee, Okmulgee29 min
May 22, 7:51 PM CDTAreal Flood AdvisoryTSAMcIntosh, Muskogee, Okfuskee, Okmulgee84 min
May 22, 7:53 PM CDTSpecial Weather StatementTSACherokee37 min
May 22, 8:09 PM CDTSevere Thunderstorm WarningTSAAdair, Delaware66 min
May 22, 8:09 PM CDTSevere Thunderstorm WarningTSAMuskogee, Okmulgee, Wagoner51 min
May 22, 8:16 PM CDTTornado WarningTSAAdair, Cherokee, Delaware29 min
May 22, 8:19 PM CDTSevere Thunderstorm WarningTSACherokee, Mayes, Wagoner30 min
May 22, 8:20 PM CDTTornado WarningTSADelaware55 min
May 22, 8:32 PM CDTSevere Thunderstorm WarningTSACraig, Delaware, Ottawa43 min
May 22, 8:41 PM CDTSpecial Weather StatementTSAChoctaw34 min
May 22, 8:45 PM CDTTornado WarningTSADelaware45 min
May 22, 9:01 PM CDTSevere Thunderstorm WarningTSAPittsburg44 min
May 22, 9:15 PM CDTSevere Thunderstorm WarningTSACraig, Delaware, Mayes, Ottawa, Rogers60 min
May 22, 9:29 PM CDTSpecial Weather StatementTSALatimer31 min
May 22, 9:35 PM CDTSpecial Weather StatementTSALeFlore25 min
May 22, 9:38 PM CDTSevere Thunderstorm WarningTSALatimer, LeFlore, Pittsburg30 min
May 22, 10:12 PM CDTSpecial Weather StatementTSACreek, Tulsa33 min
May 22, 10:14 PM CDTSpecial Weather StatementTSADelaware31 min
May 22, 10:30 PM CDTSevere Thunderstorm WarningTSARogers, Tulsa, Wagoner45 min
May 22, 10:37 PM CDTSevere Thunderstorm WarningTSACreek, Osage, Rogers, Tulsa22 min
May 22, 10:39 PM CDTSpecial Weather StatementTSADelaware36 min
May 22, 10:50 PM CDTSevere Thunderstorm WarningTSAAdair, LeFlore, Sequoyah40 min
May 22, 10:55 PM CDTSevere Thunderstorm WarningTSADelaware35 min
May 22, 11:01 PM CDTSevere Thunderstorm WarningTSALeFlore59 min
May 22, 11:01 PM CDTTornado WarningTSADelaware29 min
May 22, 11:10 PM CDTFlash Flood WarningTSADelaware6 hr
May 22, 11:12 PM CDTSpecial Weather StatementTSAMayes, Rogers33 min
May 23, 5:07 AM CDTAreal Flood WarningTSADelaware4 hr
May 23, 5:42 AM CDTSpecial Weather StatementTSAOsage33 min
May 23, 5:49 AM CDTSevere Thunderstorm WarningTSAOsage26 min
May 23, 6:20 AM CDTSevere Thunderstorm WarningTSAOsage25 min
May 23, 6:50 AM CDTSevere Thunderstorm WarningTSANowata, Washington25 min
May 23, 7:12 AM CDTSpecial Weather StatementTSAOsage33 min
May 23, 7:16 AM CDTSpecial Weather StatementTSANowata29 min
May 23, 7:25 AM CDTSevere Thunderstorm WarningTSACraig, Nowata50 min
May 23, 7:38 AM CDTSpecial Weather StatementTSAWashington37 min
May 23, 7:53 AM CDTSpecial Weather StatementTSAWashington37 min
May 23, 8:06 AM CDTSevere Thunderstorm WarningTSANowata, Washington39 min
May 23, 8:16 AM CDTSevere Thunderstorm WarningTSACraig, Ottawa44 min
May 23, 8:48 AM CDTSpecial Weather StatementTSAPushmataha27 min
May 23, 8:49 AM CDTSpecial Weather StatementTSANowata26 min
May 23, 8:57 AM CDTSpecial Weather StatementTSACraig, Ottawa33 min
May 23, 9:01 AM CDTSpecial Weather StatementTSAPushmataha44 min
May 23, 9:11 AM CDTSpecial Weather StatementTSAPushmataha34 min
May 23, 9:15 AM CDTAreal Flood AdvisoryTSACraig, Delaware, Nowata, Ottawa2 hr
May 23, 9:26 AM CDTSpecial Weather StatementTSACraig34 min
May 23, 9:29 AM CDTSpecial Weather StatementTSAOttawa31 min
May 23, 9:36 AM CDTSpecial Weather StatementTSAChoctaw39 min
May 23, 9:56 AM CDTFlash Flood WarningTSACraig, Delaware, Nowata, Ottawa4 hr
May 23, 10:00 AM CDTSpecial Weather StatementTSACraig30 min
May 23, 10:31 AM CDTSpecial Weather StatementTSACraig29 min
May 23, 10:45 AM CDTAreal Flood WarningTSANowata6 hr
May 23, 11:31 AM CDTSpecial Weather StatementTSACraig29 min
May 23, 11:58 AM CDTSpecial Weather StatementTSACraig32 min
May 23, 12:15 PM CDTSpecial Weather StatementTSAAdair30 min
May 23, 1:40 PM CDTSevere Thunderstorm WarningTSAOttawa35 min
May 23, 2:08 PM CDTSevere Thunderstorm WarningTSACraig, Nowata49 min
May 23, 2:10 PM CDTSevere Thunderstorm WarningTSAOttawa35 min
May 23, 2:32 PM CDTRiver Flood WarningTSAOttawa42 hr
May 23, 2:37 PM CDTRiver Flood WarningTSAAdair60 hr
May 23, 2:37 PM CDTRiver Flood WarningTSACherokee3 days
May 23, 2:41 PM CDTRiver Flood AdvisoryTSACherokee, Delaware54 hr
May 23, 3:20 PM CDTFlash Flood WatchTSAAdair, Cherokee, Craig, Creek, Delaware, Haskell and 14 more34 hr
May 23, 4:24 PM CDTAreal Flood WarningTSANowata6 hr
May 23, 4:52 PM CDTSevere Thunderstorm WarningTSAOsage53 min
May 23, 5:06 PM CDTTornado WarningTSAOsage24 min
May 23, 5:29 PM CDTTornado WarningTSAOsage, Pawnee31 min
May 23, 5:41 PM CDTSevere Thunderstorm WarningTSACraig, Mayes, Rogers32 min
May 23, 5:55 PM CDTTornado WarningTSAOsage, Pawnee50 min
May 23, 6:47 PM CDTAreal Flood AdvisoryTSAWashington118 min
May 23, 6:59 PM CDTSpecial Weather StatementTSADelaware, Mayes, Wagoner46 min
May 22, 7:52 PM CDTSevere Thunderstorm WarningTSABenton, Carroll, Madison38 min
May 22, 8:30 PM CDTSevere Thunderstorm WarningTSABenton, Carroll, Madison60 min
May 22, 8:39 PM CDTTornado WarningTSABenton16 min

Nearby

Flash Flood Warnings in Oklahoma, 2011Flash 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.