Alert archive / Oklahoma / Flash Flood Warnings in 2014

Flash Flood Warning 1, NWS Tulsa, OK

April 3, 2014McIntosh County, Muskogee County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at Apr 3, 2014, 7:36 PM CDT for McIntosh County, Muskogee County, Oklahoma. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 3, 2014, 7:36 PM CDT (00:36 UTC)
Expired
Apr 3, 2014, 11:30 PM CDT
In force
4 hr
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Flood severity
None

Counties McIntosh County, OK, Muskogee County, OK

The radar

The Tulsa radar (KINX), 76 km from the middle of the area, began a volume at 00:35 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.

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 0.6 hours before the alert went out and 154 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, Norman, OK at 00:00Z on 2014-04-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Norman, OK at 00:00Z on 2014-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -34 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3186 m above ground
0-6 km bulk shear
74 kt
0-1 km storm-relative helicity
-34 m²/s²
0-3 km storm-relative helicity
177 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.

650 
WGUS54 KTSA 040036
FFWTSA
OKC091-101-040430-
/O.NEW.KTSA.FF.W.0001.140404T0036Z-140404T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
736 PM CDT THU APR 3 2014

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL MUSKOGEE COUNTY IN EAST CENTRAL OKLAHOMA...
  NORTH CENTRAL MCINTOSH COUNTY IN SOUTHEAST OKLAHOMA...

* UNTIL 1130 PM CDT

* AT 736 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
THUNDERSTORMS WITH VERY HEAVY RAIN TRAINING ACROSS 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 COULD EXPERIENCE FLOODING INCLUDE...
  COUNCIL HILL...OKTAHA AND RENTIESVILLE.

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.

&&

LAT...LON 3547 9582 3551 9582 3556 9575 3555 9572
      3557 9571 3568 9551 3557 9537 3534 9584
      3540 9588 3546 9588

$$
2 follow-up statements
289 
WGUS74 KTSA 040132
FFSTSA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
832 PM CDT THU APR 3 2014

OKC091-101-040430-
/O.CON.KTSA.FF.W.0001.000000T0000Z-140404T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MCINTOSH OK-MUSKOGEE OK-
832 PM CDT THU APR 3 2014

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR CENTRAL MUSKOGEE AND
NORTH CENTRAL MCINTOSH COUNTIES UNTIL 1130 PM CDT...

AT 832 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE HEAVY RAINFALL HAD ENDED ACROSS THE WARNED AREA. ALTHOUGH NO 
ADDITIONAL RAINFALL IS EXPECTED...3 TO 4 INCHES OF RAIN HAS ALREADY 
FALLEN AND FLOODING OF LOW LYING AREAS WILL LIKELY CONTINUE.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
COUNCIL HILL...OKTAHA AND RENTIESVILLE.

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.

&&

LAT...LON 3547 9582 3551 9582 3556 9575 3555 9572
      3557 9571 3568 9551 3557 9537 3534 9584
      3540 9588 3546 9588

$$
941 
WGUS74 KTSA 040423
FFSTSA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1123 PM CDT THU APR 3 2014

OKC091-101-040438-
/O.EXP.KTSA.FF.W.0001.000000T0000Z-140404T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MCINTOSH OK-MUSKOGEE OK-
1123 PM CDT THU APR 3 2014

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR CENTRAL MUSKOGEE
AND NORTH CENTRAL MCINTOSH COUNTIES WILL BE ALLOWED TO EXPIRE AT 1130
PM CDT...

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.

LAT...LON 3547 9582 3551 9582 3556 9575 3555 9572
      3557 9571 3568 9551 3557 9537 3534 9584
      3540 9588 3546 9588

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 3, 7:10 PM CDTSpecial Weather StatementTSAMcIntosh35 min
Apr 3, 7:24 PM CDTSpecial Weather StatementTSAAdair, Muskogee36 min
Apr 3, 7:27 PM CDTSpecial Weather StatementTSAMcIntosh33 min
Apr 3, 7:57 PM CDTSpecial Weather StatementTSAAdair33 min
Apr 3, 8:33 PM CDTSpecial Weather StatementTSASequoyah27 min
Apr 3, 8:47 PM CDTSevere Thunderstorm WarningTSAAdair, Sequoyah43 min
Apr 3, 9:28 PM CDTSpecial Weather StatementTSASequoyah32 min
Apr 3, 10:01 PM CDTSevere Thunderstorm WarningTSAPushmataha44 min
Apr 3, 10:24 PM CDTSpecial Weather StatementTSALeFlore36 min
Apr 3, 10:27 PM CDTSpecial Weather StatementTSALatimer33 min
Apr 3, 10:46 PM CDTSpecial Weather StatementTSAPushmataha29 min

Nearby

Flash Flood Warnings in Oklahoma, 2014Every flash flood warning in 2014

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.