Alert archive / Oklahoma / Flash Flood Warnings in 2007

Flash Flood Warning 36, NWS Tulsa, OK

June 28, 2007Osage County, Pawnee County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at Jun 28, 2007, 9:02 PM CDT for Osage County, Pawnee County, Oklahoma. It was in force for 4 hr. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 28, 2007, 9:02 PM CDT (02:02 UTC)
Expired
Jun 29, 2007, 1:00 AM CDT
In force
4 hr
Issued by
NWS Tulsa, OK
Area
Whole counties

Counties Osage County, OK, Pawnee County, OK

The radar

The Tulsa radar (KINX), 94 km from the middle of the area, began a volume at 02:05 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
Jun 28, 9:41 PM CDTFLASH FLOODRalston, OKRAINFALL SO FAR NEAR RALSTON MEASURED AT OVER 5 AND 1/2 INCHES THIS EVENING LAW ENFORCEMENT IS HAVING TO BARRICADE SIDE STREETS DUE TO HIGH WATER
Jun 29, 12:30 AM CDTFLASH FLOODForaker, OKWATER OVER SECONDARY ROADS DUE TO HEAVY RAIN.

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 00:00Z, 2.0 hours before the alert went out and 85 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 00:00Z on 2007-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 56 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 00:00Z on 2007-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 square meters per square second.1939Sfc1 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
56 J/kg
Mixed-layer CIN
-55 J/kg
Mixed-layer LCL
495 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
38 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.

000 
WGUS54 KTSA 290202
FFWTSA
OKC113-117-290600-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
902 PM CDT THU JUN 28 2007

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  OSAGE COUNTY IN NORTHEAST OKLAHOMA
  PAWNEE COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 100 AM CDT

* AT 900 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH HEAVY RAIN NEAR HALLETT...MOVING NORTH AT 20    
  MPH. RADAR INDICATES THAT 3 TO 6 INCHES OF RAIN HAS ALREADY        
  FALLEN. ANOTHER 1 TO 3 INCHES WILL BE POSSIBLE THROUGH 100 AM CDT.

* LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY HEAVY RAIN
  INCLUDE...PAWNEE...OSAGE...CLEVELAND...SKEDEE...BLACKBURN...
  HOMINY...RALSTON...FAIRFAX...WYNONA...BURBANK...PAWHUSKA...
  SHIDLER...PEARSONIA...FORAKER...GRAINOLA AND BIGHEART.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLASH FLOODS. IT IS VERY DIFFICULT AT NIGHT TO TELL HOW
MUCH WATER IS ON THE ROADS. IT ONLY TAKES TWO FEET OF RUSHING WATER
TO CARRY AWAY MOST SPORT UTILITY VEHICLES AND PICKUPS. MOTORISTS
SHOULD NOT DRIVE THROUGH WATER OF UNKNOWN DEPTH. TAKE A DIFFERENT
ROUTE TO REACH YOUR DESTINATION OR WAIT UNTIL THE WATER RECEDES.

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

LAT...LON 3679 9674 3670 9693 3668 9705 3661 9703
      3661 9692 3657 9687 3652 9703 3635 9703
      3634 9692 3626 9691 3625 9682 3616 9681
      3617 9644 3699 9606 3700 9675

$$
1 follow-up statement
000 
WGUS74 KTSA 290600
FFSTSA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1259 AM CDT FRI JUN 29 2007

OKC113-117-290609-
OSAGE OK-PAWNEE OK-
1259 AM CDT FRI JUN 29 2007

...THE FLASH FLOOD WARNING FOR PAWNEE AND OSAGE COUNTIES EXPIRES AT
100 AM CDT...

THE HEAVY RAINFALL HAS ENDED ACROSS THE WARNED AREA...THEREFORE THE 
FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE. HOWEVER...ADDITIONAL 
HEAVY RAINFALL WILL BE POSSIBLE LATER TONIGHT ACROSS PORTIONS OF 
OSAGE AND PAWNEE COUNTIES.

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

LAT...LON 3679 9674 3670 9693 3668 9705 3661 9703
      3661 9692 3657 9687 3652 9703 3635 9703
      3634 9692 3626 9691 3625 9682 3616 9681
      3617 9644 3699 9606 3700 9675

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 1:54 AM CDTFlash Flood WarningTSAOsage, Washington2 hr
Jun 29, 1:43 PM CDTFlash Flood WarningTSAOsage, Pawnee6 hr

Nearby

Flash Flood Warnings in Oklahoma, 2007Every flash flood warning in 2007

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.