Alert archive / Oklahoma / Flash Flood Warnings in 2012

Flash Flood Warning 6, NWS Tulsa, OK

March 19, 20124 counties in Oklahoma

NWS Tulsa, OK issued this flash flood warning at Mar 19, 2012, 6:59 PM CDT for 4 counties in Oklahoma. It was in force for 6 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
Mar 19, 2012, 6:59 PM CDT (23:59 UTC)
Expired
Mar 20, 2012, 1:00 AM CDT
In force
6 hr
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Flood severity
None

Counties Creek County, OK, Okfuskee County, OK, Okmulgee County, OK, Tulsa County, OK

The radar

The Tulsa radar (KINX), 78 km from the middle of the area, began a volume at 00:03 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 12:00Z, 12.0 hours before the alert went out and 126 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 12:00Z on 2012-03-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 974 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, Norman, OK at 12:00Z on 2012-03-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 334 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
974 J/kg
Mixed-layer CIN
-91 J/kg
Mixed-layer LCL
637 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
334 m²/s²
0-3 km storm-relative helicity
407 m²/s²
Significant tornado parameter
1.2
Supercell composite
4.0

Open this sounding in Storm Lab

The text

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

683 
WGUS54 KTSA 192359
FFWTSA
OKC037-107-111-143-200600-
/O.NEW.KTSA.FF.W.0006.120319T2359Z-120320T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
659 PM CDT MON MAR 19 2012

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CREEK COUNTY IN NORTHEAST OKLAHOMA...
  OKFUSKEE COUNTY IN EAST CENTRAL OKLAHOMA...
  OKMULGEE COUNTY IN NORTHEAST OKLAHOMA...
  SOUTHERN TULSA COUNTY IN NORTHEAST OKLAHOMA...

* UNTIL 100 AM CDT TUESDAY

* AT 656 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  AN AREA OF MODERATE TO HEAVY RAIN WITH EMBEDDED THUNDERSTORMS      
  MOVING ACROSS WESTERN CREEK AND WESTERN OKFUSKEE COUNTIES. THIS    
  AREA OF RAIN WILL CONTINUE TO SHIFT NORTH AND EAST. 2 TO 4 INCHES   
  OF RAINFALL HAS ALREADY OCCURRED OVER MUCH OF THE WARNED           
  AREA...AND AN ADDITIONAL 1 TO 2 INCHES WILL BE POSSIBLE THROUGH 1  
  AM. STREET FLOODING HAS BEEN REPORTED IN THE TULSA AREA. 

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT COULD EXPERIENCE FLOODING INCLUDE...
  BRISTOW...BROKEN ARROW...OKEMAH...OKMULGEE...SAND SPRINGS...
  TULSA...BALD HILL...BEARDEN...BEGGS...BIXBY...BOLEY...CASTLE...
  CLEARVIEW...DEPEW...DEWAR...DRUMRIGHT...GLENPOOL...GRAYSON...
  HENRYETTA...HOFFMAN...JENKS...KELLYVILLE...KEYSTONE STATE PARK...
  KIEFER...MANNFORD...MORRIS...MOUNDS...OILTON...OKFUSKEE AND
  OKMULGEE STATE PARK.

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.

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 3616 9662 3616 9577 3590 9576 3590 9582
      3586 9582 3572 9577 3572 9572 3556 9571
      3555 9582 3547 9582 3546 9588 3538 9588
      3538 9598 3530 9599 3530 9642 3545 9645
      3543 9649 3545 9655 3539 9654 3539 9662

$$
1 follow-up statement
673 
WGUS74 KTSA 200301
FFSTSA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1001 PM CDT MON MAR 19 2012

OKC037-107-111-143-200600-
/O.CON.KTSA.FF.W.0006.000000T0000Z-120320T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CREEK OK-OKFUSKEE OK-OKMULGEE OK-TULSA OK-
1001 PM CDT MON MAR 19 2012

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHERN TULSA...
OKMULGEE...OKFUSKEE AND CREEK COUNTIES UNTIL 100 AM CDT...

AT 957 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
HEAVY RAIN ACROSS THE WARNED AREA. 2 TO 4 INCHES OF RAINFALL HAS 
ALREADY OCCURRED WITH AN ADDITIONAL 1 INCH POSSIBLE. AS THE RAIN 
BEGINS TO LIGHTEN...FAST MOVING WATER WILL CONTINUE TO POSE A FLASH 
FLOODING THREAT AND PONDING OF WATER WILL REMAIN ON ROADWAYS.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
BRISTOW...BROKEN ARROW...OKEMAH...OKMULGEE...SAND SPRINGS...TULSA...
BALD HILL...BEARDEN...BEGGS...BIXBY...BOLEY...CASTLE...CLEARVIEW...
DEPEW...DEWAR...DRUMRIGHT...GLENPOOL...GRAYSON...HENRYETTA...
HOFFMAN...JENKS...KELLYVILLE...KEYSTONE STATE PARK...KIEFER...
MANNFORD...MORRIS...MOUNDS...OILTON...OKFUSKEE AND OKMULGEE STATE
PARK.

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 3616 9662 3616 9577 3590 9576 3590 9582
      3586 9582 3572 9577 3572 9572 3556 9571
      3555 9582 3547 9582 3546 9588 3538 9588
      3538 9598 3530 9599 3530 9642 3545 9645
      3543 9649 3545 9655 3539 9654 3539 9662

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 19, 6:42 AM CDTSpecial Weather StatementTSAPawnee63 min
Mar 19, 10:58 AM CDTRiver Flood WatchTSAOttawa17 hr
Mar 19, 10:58 AM CDTRiver Flood WatchTSALeFlore17 hr
Mar 19, 10:58 AM CDTRiver Flood WatchTSAPushmataha10 hr
Mar 19, 10:58 AM CDTRiver Flood WatchTSAChoctaw10 hr
Mar 19, 10:58 AM CDTRiver Flood WatchTSAOttawa22 hr
Mar 19, 10:58 AM CDTRiver Flood WatchTSAAdair16 hr
Mar 19, 10:58 AM CDTRiver Flood WatchTSACherokee16 hr
Mar 19, 10:58 AM CDTRiver Flood WatchTSACherokee, Delaware28 hr
Mar 19, 10:58 AM CDTRiver Flood WatchTSACherokee16 hr
Mar 19, 10:58 AM CDTRiver Flood WatchTSASequoyah24 hr
Mar 19, 10:58 AM CDTRiver Flood WatchTSALeFlore17 hr
Mar 19, 11:43 AM CDTSpecial Weather StatementTSARogers, Tulsa32 min
Mar 19, 11:52 AM CDTSevere Thunderstorm WarningTSAMayes, Rogers, Tulsa, Wagoner38 min
Mar 19, 12:09 PM CDTSpecial Weather StatementTSACraig36 min
Mar 19, 12:11 PM CDTSpecial Weather StatementTSACreek, Okfuskee34 min
Mar 19, 12:34 PM CDTWind AdvisoryTSAAdair, Cherokee, Choctaw, Craig, Delaware, Haskell and 8 more3 hr
Mar 19, 12:55 PM CDTSpecial Weather StatementTSACraig50 min
Mar 19, 1:00 PM CDTSpecial Weather StatementTSAMayes30 min
Mar 19, 1:30 PM CDTSpecial Weather StatementTSADelaware45 min
Mar 19, 1:41 PM CDTAreal Flood AdvisoryTSARogers, Tulsa, Wagoner49 min
Mar 19, 1:56 PM CDTSpecial Weather StatementTSAMayes, Wagoner49 min
Mar 19, 2:21 PM CDTFlash Flood WarningTSACherokee, Mayes, Wagoner4 hr
Mar 19, 2:27 PM CDTRiver Flood WarningTSACreek42 hr
Mar 19, 2:29 PM CDTSpecial Weather StatementTSACherokee, Delaware46 min
Mar 19, 2:57 PM CDTFlash Flood WarningTSACreek, Okfuskee, Okmulgee, Tulsa4 hr
Mar 19, 3:26 PM CDTSpecial Weather StatementTSAWagoner34 min
Mar 19, 4:15 PM CDTFlash Flood WarningTSAMuskogee, Rogers, Wagoner4 hr
Mar 19, 4:57 PM CDTFlash Flood WarningTSACraig, Delaware, Ottawa6 hr
Mar 19, 6:09 PM CDTFlash Flood WarningTSACherokee, McIntosh, Mayes, Muskogee, Rogers, Wagoner6 hr
Mar 19, 6:32 PM CDTSpecial Weather StatementTSAPittsburg28 min
Mar 19, 6:44 PM CDTTornado WarningTSAHaskell, Latimer, Pittsburg31 min
Mar 19, 6:53 PM CDTSpecial Weather StatementTSAHughes52 min

Nearby

Flash Flood Warnings in Oklahoma, 2012Every flash flood warning in 2012

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.