Alert archive / Oklahoma / Flash Flood Warnings in 2007
Flash Flood Warning 76, NWS Tulsa, OK
NWS Tulsa, OK issued this flash flood warning at Jul 31, 2007, 4:33 AM CDT for Choctaw County, Oklahoma. It was in force for 4 hr. 1 report 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
- Jul 31, 2007, 4:33 AM CDT (09:33 UTC)
- Expired
- Jul 31, 2007, 8:30 AM CDT
- In force
- 4 hr
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Choctaw County, OK
The radar
The Western Arkansas radar (KSRX), 178 km from the middle of the area, began a volume at 09:35 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 31, 5:30 AM CDT | FLASH FLOOD | 2 E Soper, OK | WATER REPORTED OVER THE US-70. TIME APPROXIMATE. WATER RECEDED AROUND 930 AM. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 9.6 hours before the alert went out and 209 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
- 2391 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 1042 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KTSA 310936 FFWTSA OKC023-311330- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TULSA OK 433 AM CDT TUE JUL 31 2007 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHWESTERN CHOCTAW COUNTY IN SOUTHEAST OKLAHOMA * UNTIL 830 AM CDT * AT 431 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH HEAVY RAIN ALONG A LINE EXTENDING FROM 9 MILES NORTH OF BOSWELL TO 7 MILES SOUTHEAST OF BOSWELL...MOVING EAST AT 10 MPH. RADAR INDICATES THAT 2 TO 4 INCHES OF RAIN HAS ALREADY FALLEN. ANOTHER 1 TO 3 INCHES WILL BE POSSIBLE THROUGH 830 AM CDT. * LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY HEAVY RAIN INCLUDE...SOPER AND KENT. THE CLEAR BOGGY CREEK NORTH OF BOSWELL WILL LIKELY EXPERIENCE FLOODING...AND MOTORISTS SHOULD BE ALERT FOR FLOODED CROSSINGS OVER CLEAR BOGGY CREEK. 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. 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. LAT...LON 3416 9594 3395 9594 3398 9562 3417 9560 $$
4 follow-up statements
000
WGUS74 KTSA 311046
FFSTSA
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
542 AM CDT TUE JUL 31 2007
OKC023-311330-
CHOCTAW OK-
542 AM CDT TUE JUL 31 2007
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 AM CDT FOR
WESTERN CHOCTAW COUNTY...
AT 539 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH HEAVY RAIN ALONG A LINE EXTENDING FROM 2 MILES
EAST OF KENT TO 9 MILES SOUTH OF SOPER...MOVING EAST AT 10 MPH. RADAR
INDICATES THAT 4 TO 5 INCHES OF RAIN HAS ALREADY FALLEN ACROSS
EXTREME NORTHWEST CHOCTAW COUNTY...WITH 2 TO 4 INCHES ACROSS A
LARGER AREA OF WESTERN CHOCTAW COUNTY. ANOTHER 1 TO 3 INCHES WILL BE
POSSIBLE THROUGH 830 AM CDT...PRIMARILY OVER WEST CENTRAL AND
SOUTHWEST CHOCTAW COUNTY.
SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY HEAVY RAIN
INCLUDE MESSER...GOODLAND AND HUGO. ADDITIONALLY...RADAR ESTIMATES
THE HEAVIEST RAINS FELL IN THE CLEAR BOGGY CREEK BASIN OF NORTHWEST
CHOCTAW COUNTY. ANY BRIDGES OR LOW WATER CROSSINGS THAT INTERSECT
CLEAR BOGGY CREEK ARE MAY EXPERIENCE HIGH WATER...AND MOTORISTS
SHOULD EXERCISE EXTRA CAUTION IF TRAVELING THROUGH NORTHWEST CHOCTAW
COUNTY.
HEAVY RAINS FLOOD ROADS AND LOW LYING AREAS RAPIDLY...SO DO NOT DRIVE
YOUR VEHICLE INTO AREAS WHERE WATER OF AN UNKNOWN DEPTH COVERS THE
ROAD. 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.
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.
LAT...LON 3416 9594 3395 9594 3391 9580 3395 9557
3388 9546 3416 9546
$$000
WGUS74 KTSA 311141
FFSTSA
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
640 AM CDT TUE JUL 31 2007
OKC023-311330-
CHOCTAW OK-
640 AM CDT TUE JUL 31 2007
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 AM CDT FOR
WESTERN CHOCTAW COUNTY...
AT 640 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH HEAVY RAIN ALONG A LINE EXTENDING FROM 3 MILES
NORTHEAST OF MESSER TO 6 MILES SOUTHWEST OF GOODLAND...MOVING EAST AT
10 MPH. WHILE RADAR INDICATES THAT 4 TO 5 INCHES OF RAIN HAS ALREADY
FALLEN OVER NORTHWEST CHOCTAW COUNTY...THE HEAVIEST RAINFALL RATES
HAVE MOVED EAST OF A KENT TO SOPER LINE. ANOTHER 1 TO 3 INCHES WILL
BE POSSIBLE THROUGH 830 AM CDT.
SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY HEAVY RAIN
INCLUDE HUGO AND GRANT.
HEAVY RAINS FLOOD ROADS AND LOW LYING AREAS RAPIDLY...SO DO NOT DRIVE
YOUR VEHICLE INTO AREAS WHERE WATER OF AN UNKNOWN DEPTH COVERS THE
ROAD. 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.
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.
LAT...LON 3416 9594 3395 9594 3391 9580 3388 9546
3388 9546 3416 9546
$$000
WGUS74 KTSA 311251
FFSTSA
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
750 AM CDT TUE JUL 31 2007
OKC023-311330-
CHOCTAW OK-
750 AM CDT TUE JUL 31 2007
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 AM CDT FOR
WESTERN CHOCTAW COUNTY...
AT 750 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN
AREA OF RAIN THAT CONTINUES TO WEAKEN AND MOVE EAST OF THE WARNED
AREA AROUND 10 MILES AN HOUR. THE HEAVIEST RAIN THAT PRODUCED TOTALS
OF 4 TO 5 INCHES ACROSS NORTHWEST CHOCTAW COUNTY HAS PUSHED EAST.
HOWEVER...RUNOFF FROM THIS RAINFALL WILL PERSIST...THEREFORE THE
FLASH FLOOD WARNING WILL REMAIN IN EFFECT THROUGH 830 AM CDT.
HEAVY RAINS FLOOD ROADS AND LOW LYING AREAS RAPIDLY...SO DO NOT DRIVE
YOUR VEHICLE INTO AREAS WHERE WATER OF AN UNKNOWN DEPTH COVERS THE
ROAD. IT ONLY TAKES TWO FEET OF RUSHING WATER TO CARRY AWAY MOST
SPORT UTILITY VEHICLES AND PICKUPS. TAKE A DIFFERENT ROUTE TO REACH
YOUR DESTINATION OR WAIT UNTIL THE WATER RECEDES. REMEMBER...MOST
FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES.
LAT...LON 3416 9594 3395 9594 3391 9580 3388 9546
3388 9546 3416 9546
$$000
WGUS74 KTSA 311327
FFSTSA
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
827 AM CDT TUE JUL 31 2007
OKC023-311337-
CHOCTAW OK-
827 AM CDT TUE JUL 31 2007
...THE FLASH FLOOD WARNING FOR WESTERN CHOCTAW COUNTY EXPIRES AT 830
AM CDT...
THE SHOWER AND THUNDERSTORM ACTIVITY HAS MOVED OUT OF THE WARNED AREA
AND WEAKENED...THEREFORE THE FLASH FLOOD WARNING WILL BE ALLOWED TO
EXPIRE.
TO REPORT PREVIOUS FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
TULSA.
LAT...LON 3416 9594 3395 9594 3391 9580 3388 9546
3388 9546 3416 9546
$$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.