Alert archive / Oklahoma / Flash Flood Warnings in 2007
Flash Flood Warning 18, NWS Tulsa, OK
NWS Tulsa, OK issued this flash flood warning at Jun 11, 2007, 6:38 AM CDT for Nowata County, Osage County, Washington County, Oklahoma. It was in force for 4 hr. 3 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 11, 2007, 6:38 AM CDT (11:38 UTC)
- Expired
- Jun 11, 2007, 10:45 AM CDT
- In force
- 4 hr
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Nowata County, OK, Osage County, OK, Washington County, OK
The radar
The Tulsa radar (KINX), 70 km from the middle of the area, began a volume at 11:38 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 11, 6:54 AM CDT | FLASH FLOOD | Wann, OK | HIGHWAY 10 EAST OF WANN CLOSED DUE TO FLOODING |
| Jun 11, 7:55 AM CDT | FLASH FLOOD | Dewey, OK | RESIDENTIAL FLOODING IN DEWEY. ROAD FLOODING AT HWY 75 AND 16TH STREET JUST NORTH OF DEWEY. |
| Jun 11, 9:00 AM CDT | HEAVY RAIN 8.93 | Wann, OK | OVERNIGHT TOTAL REPORTED AT 6AM WAS 4.67 INCHES. AMOUNT FROM 6AM UNTIL 9AM BROUGHT TOTAL RAINFALL TO 8.93 INCHES. |
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, 11.6 hours before the alert went out and 135 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.
- Mixed-layer CAPE
- 970 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 843 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 172 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 4.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KTSA 111139 FFWTSA OKC105-113-147-111545- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TULSA OK 638 AM CDT MON JUN 11 2007 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * FLASH FLOOD WARNING FOR... NOWATA COUNTY IN NORTHEAST OKLAHOMA NORTHEASTERN OSAGE COUNTY IN NORTHEAST OKLAHOMA NORTHERN WASHINGTON COUNTY IN NORTHEAST OKLAHOMA * UNTIL 1045 AM CDT * AT 634 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH HEAVY RAIN OCCURRING THROUGHOUT THE WARNING AREA...MOVING SOUTHEAST AT 25 MPH. RADAR INDICATES THAT 2 TO 4 INCHES OF RAIN HAS ALREADY FALLEN ACROSS PARTS OF THE AREA. ANOTHER 1 TO 2 INCHES WILL BE POSSIBLE THROUGH 1045 AM CDT. * LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY HEAVY RAIN INCLUDE...HULAH...BARTLESVILLE...DEWEY...COPAN...WANN...NOWATA... DELAWARE AND LENAPAH. 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 3700 9659 3678 9629 3660 9541 3699 9546 $$
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 7:06 PM CDT | Special Weather Statement | TSA | Craig | 24 min |
| Jun 10, 7:14 PM CDT | Severe Thunderstorm Warning | TSA | Craig | 36 min |
| Jun 10, 7:56 PM CDT | Severe Thunderstorm Warning | TSA | Nowata, Washington | 27 min |
| Jun 10, 8:21 PM CDT | Severe Thunderstorm Warning | TSA | Creek | 54 min |
| Jun 10, 8:49 PM CDT | Special Weather Statement | TSA | Craig | 26 min |
| Jun 10, 8:54 PM CDT | Special Weather Statement | TSA | Pawnee | 36 min |
| Jun 10, 9:11 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 64 min |
| Jun 10, 9:34 PM CDT | Special Weather Statement | TSA | Osage, Tulsa | 41 min |
| Jun 10, 10:26 PM CDT | Special Weather Statement | TSA | Washington | 34 min |
| Jun 10, 11:47 PM CDT | Severe Thunderstorm Warning | TSA | Nowata, Washington | 43 min |
| Jun 11, 10:55 AM CDT | Flash Flood Warning | TSA | Mayes | 2 hr |
| Jun 11, 11:00 AM CDT | Special Weather Statement | TSA | Adair | 45 min |
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.