Alert archive / Oklahoma / Flash Flood Warnings in 2012

Flash Flood Warning 41, NWS Tulsa, OK

October 13, 20125 counties in Oklahoma

NWS Tulsa, OK issued this flash flood warning at Oct 13, 2012, 6:33 PM CDT for 5 counties in Oklahoma. 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
Oct 13, 2012, 6:33 PM CDT (23:33 UTC)
Expired
Oct 13, 2012, 10:30 PM CDT
In force
4 hr
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Flood severity
None

Counties Creek County, OK, Osage County, OK, Rogers County, OK, Tulsa County, OK, Wagoner County, OK

The radar

The Tulsa radar (KINX), 54 km from the middle of the area, began a volume at 23:33 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
Oct 13, 7:30 PM CDTFLASH FLOODTulsa, OKSEVERAL STALLED CARS IN HIGH WATER FROM DOWNTOWN TULSA NORTH TO NEAR MOHAWK PARK.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Lamont, OK (KLMN), launched 12:00Z, 11.6 hours before the alert went out and 129 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, Lamont, OK at 12:00Z on 2012-10-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 349 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, Lamont, OK at 12:00Z on 2012-10-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 271 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
349 J/kg
Mixed-layer CIN
-256 J/kg
Mixed-layer LCL
798 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
271 m²/s²
0-3 km storm-relative helicity
322 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

863 
WGUS54 KTSA 132333
FFWTSA
OKC037-113-131-143-145-140330-
/O.NEW.KTSA.FF.W.0041.121013T2333Z-121014T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
633 PM CDT SAT OCT 13 2012

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CREEK COUNTY IN NORTHEAST OKLAHOMA...
  NORTHWESTERN WAGONER COUNTY IN NORTHEAST OKLAHOMA...
  SOUTHEASTERN OSAGE COUNTY IN NORTHEAST OKLAHOMA...
  SOUTHERN ROGERS COUNTY IN NORTHEAST OKLAHOMA...
  TULSA COUNTY IN NORTHEAST OKLAHOMA...

* UNTIL 1030 PM CDT

* AT 631 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  THUNDERSTORMS WITH VERY HEAVY RAIN OVER THE WARNED AREA. 2 TO 4    
  INCHES OF RAINFALL HAS ALREADY OCCURRED WITH AN ADDITIONAL 1 TO 3  
  INCHES POSSIBLE.  THE TULSA URBAN METRO AREA WILL BE IMPACTED BY   
  THESE HEAVY RAINS AND FLOODING WILL OCCUR QUICKLY ESPECIALLY       
  WITHIN THE DOWNTOWN AREA.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT COULD EXPERIENCE FLOODING INCLUDE...
  BRISTOW...BROKEN ARROW...CLAREMORE...SAND SPRINGS...TULSA...
  CATOOSA...COLLINSVILLE...DEPEW...DRUMRIGHT...GLENPOOL...JENKS...
  KELLYVILLE...KEYSTONE STATE PARK...KIEFER...MANNFORD...OWASSO...
  SAPULPA...SHAMROCK...SPERRY...TIAWAH AND VERDIGRIS.

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.

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.

&&

LAT...LON 3606 9663 3617 9631 3616 9628 3619 9626
      3624 9609 3648 9564 3626 9543 3603 9576
      3569 9663

$$
2 follow-up statements
340 
WGUS74 KTSA 140048
FFSTSA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
748 PM CDT SAT OCT 13 2012

OKC037-113-131-143-145-140330-
/O.CON.KTSA.FF.W.0041.000000T0000Z-121014T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CREEK OK-OSAGE OK-ROGERS OK-TULSA OK-WAGONER OK-
748 PM CDT SAT OCT 13 2012

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHWESTERN WAGONER...
TULSA...SOUTHERN ROGERS...SOUTHEASTERN OSAGE AND CREEK COUNTIES UNTIL
1030 PM CDT...

AT 746 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
SCATTERED SHOWERS AND THUNDERSTORMS OVER THE WARNED AREA...BUT THE 
WIDESPREAD HEAVY RAIN HAS ENDED. 2 TO 4 INCHES OF RAINFALL HAS 
ALREADY OCCURRED ACROSS MUCH OF THE WARNED AREA WITH AN ADDITIONAL 
INCH POSSIBLE IN A FEW PLACES.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
BRISTOW...BROKEN ARROW...CLAREMORE...SAND SPRINGS...TULSA...
CATOOSA...COLLINSVILLE...DEPEW...DRUMRIGHT...GLENPOOL...JENKS...
KELLYVILLE...KEYSTONE STATE PARK...KIEFER...MANNFORD...OWASSO...
SAPULPA...SHAMROCK...TIAWAH AND VERDIGRIS.

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.

A 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.

&&

LAT...LON 3606 9663 3617 9631 3616 9628 3619 9626
      3624 9609 3648 9564 3626 9543 3603 9576
      3569 9663

$$
592 
WGUS74 KTSA 140245
FFSTSA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
945 PM CDT SAT OCT 13 2012

OKC037-113-131-143-145-140330-
/O.CON.KTSA.FF.W.0041.000000T0000Z-121014T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CREEK OK-OSAGE OK-ROGERS OK-TULSA OK-WAGONER OK-
945 PM CDT SAT OCT 13 2012

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHWESTERN WAGONER...
TULSA...SOUTHERN ROGERS...SOUTHEASTERN OSAGE AND CREEK COUNTIES UNTIL
1030 PM CDT...

AT 944 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE HEAVY RAINFALL HAD ENDED ACROSS THE WARNED AREA. ALTHOUGH NO 
ADDITIONAL RAINFALL IS EXPECTED...2 TO 5 INCHES OF RAIN HAS ALREADY 
FALLEN ACROSS PARTS OF THE WARNED AREA AND FLOODING OF LOW LYING 
AREAS WILL LIKELY CONTINUE FOR THE NEXT HOUR OR SO. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
BRISTOW...BROKEN ARROW...CLAREMORE...SAND SPRINGS...TULSA...
CATOOSA...COLLINSVILLE...DEPEW...DRUMRIGHT...GLENPOOL...JENKS...
KELLYVILLE...KEYSTONE STATE PARK...KIEFER...MANNFORD...OWASSO...
SAPULPA...SHAMROCK...TIAWAH AND VERDIGRIS.

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.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN TULSA.

&&

LAT...LON 3606 9663 3617 9631 3616 9628 3619 9626
      3624 9609 3648 9564 3626 9543 3603 9576
      3569 9663

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 13, 12:43 PM CDTFlash Flood WatchTSAAdair, Cherokee, Choctaw, Craig, Creek, Delaware and 16 more12 hr
Oct 13, 4:30 PM CDTSpecial Weather StatementTSACreek30 min
Oct 13, 5:01 PM CDTSpecial Weather StatementTSAOsage29 min
Oct 13, 5:14 PM CDTSevere Thunderstorm WarningTSANowata, Osage, Pawnee, Rogers, Tulsa, Washington61 min
Oct 13, 6:12 PM CDTSevere Thunderstorm WarningTSACraig, Nowata, Rogers48 min
Oct 13, 6:21 PM CDTAreal Flood AdvisoryTSACreek, Osage, Pawnee, Rogers, Tulsa, Washington3 hr
Oct 13, 6:44 PM CDTSevere Thunderstorm WarningTSADelaware, Ottawa44 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.