Alert archive / Oklahoma / Flash Flood Warnings in 2007
Flash Flood Warning 80, NWS Tulsa, OK
NWS Tulsa, OK issued this flash flood warning at Aug 19, 2007, 4:39 PM CDT for Okmulgee County, Oklahoma. It was in force for 3 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
- Aug 19, 2007, 4:39 PM CDT (21:39 UTC)
- Expired
- Aug 19, 2007, 7:45 PM CDT
- In force
- 3 hr
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Okmulgee County, OK
The radar
The Tulsa radar (KINX), 69 km from the middle of the area, began a volume at 21:42 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 |
|---|---|---|---|
| Aug 19, 5:34 PM CDT | HEAVY RAIN 10.5 | 7 W Okmulgee, OK | 10.5 INCHES OF RAIN SINCE NOON. |
| Aug 19, 7:45 PM CDT | FLASH FLOOD | Okmulgee, OK | HIGHWAY 75 IN OKMULGEE WAS CLOSED FROM APPROXIMATELY 530 PM UNTIL APPROXIMATELY 8 PM. ADDITIONAL FLOODING OCCURRED ALONG RURAL ROADS. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 9.7 hours before the alert went out and 138 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
- 538 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 523 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 165 m²/s²
- 0-3 km storm-relative helicity
- 193 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS54 KTSA 192140
FFWTSA
OKC111-200045-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
439 PM CDT SUN AUG 19 2007
THE NATIONAL WEATHER SERVICE IN TULSA HAS EXTENDED THE
* FLASH FLOOD WARNING FOR...
OKMULGEE COUNTY IN NORTHEAST OKLAHOMA
* UNTIL 745 PM CDT
* AT 439 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH HEAVY RAIN 2 MILES SOUTH OF OKMULGEE. THE STORM
PRODUCING THE HEAVY RAINFALL WAS NEARLY STATIONARY. A COMBINATION
OF MEASURED AND ESTIMATED RAINFALL INDICATES THAT 4 TO 6 INCHES OF
RAIN HAS ALREADY FALLEN. ANOTHER 2 TO 4 INCHES WILL BE POSSIBLE
THROUGH 745 PM CDT.
* LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY HEAVY RAIN
INCLUDE...OKMULGEE...BALD HILL...BEGGS...PRESTON...HENRYETTA AND
MORRIS.
OKMULGEE EMERGENCY MANAGEMENT HAS REPORTED THAT BOTH NORTH BOUND AND
SOUTH BOUND LANES OF HIGHWAY 75 HAVE BEEN CLOSED IN OKMULGEE...AND
THAT VEHICLES HAVE BEEN STRANDED ALONG HIGHWAY 75 BETWEEN OKMULGEE
AND HENRYETTA.
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.
WHEN WATER COVERS THE ROADWAY REMEMBER...TURN AROUND DONT DROWN. 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 3571 9619 3556 9618 3556 9607 3539 9608
3539 9588 3546 9588 3555 9581 3559 9571
3585 9576 3586 9594
$$1 follow-up statement
000
WGUS74 KTSA 192309
FFSTSA
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
608 PM CDT SUN AUG 19 2007
OKC111-200045-
OKMULGEE OK-
608 PM CDT SUN AUG 19 2007
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
OKMULGEE COUNTY...
AT 605 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH HEAVY RAIN 8 MILES SOUTHEAST OF MORRIS...MOVING
EAST AT 10 MPH. THE MOST INTENSE RAINFALL WAS MOVING EAST AND OUT OF
OKMULGEE COUNTY AT 605 PM. OTHER SCATTERED SHOWERS WERE MOVING
ACROSS PORTIONS OF OKMULGEE COUNTY...BUT WERE NOT PRODUCING HEAVY
RAIN.
FIVE TO TEN INCHES OF RAIN HAS FALLEN OVER CENTRAL AND SOUTHERN
PORTIONS OF OKMULGEE COUNTY...IN AN AREA FROM BETWEEN OKMULGEE...
ERAM...AND SCHULTER.
CONSIDERABLE FLOODING HAS BEEN REPORTED AND SOME ROADS WERE
IMPASSABLE...INCLUDING HIGHWAY 75. WITH HEAVY RAINFALL HAVING
ENDED...WATER SHOULD BE RECEDING FOR THE NEXT SEVERAL HOURS.
DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATER BY FOOT OR BY
AUTO...YOU MAY BE SWEPT AWAY BY THE STRONG CURRENT. IT ONLY TAKES TWO
FEET OF RUSHING WATER TO CARRY AWAY MOST SPORT UTILITY VEHICLES AND
PICKUPS. TAKE A DIFFERENT ROUTE TO REACH YOUR DESTINATION OR WAIT
UNTIL THE WATER RECEDES.
LAT...LON 3571 9619 3556 9618 3556 9607 3539 9608
3539 9588 3546 9588 3555 9581 3559 9571
3585 9576 3586 9594
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 12:47 PM CDT | Special Weather Statement | TSA | Muskogee, Okfuskee, Okmulgee, Wagoner | 58 min |
| Aug 19, 1:10 PM CDT | Flash Flood Warning | TSA | Okfuskee | 3 hr |
| Aug 19, 1:25 PM CDT | Flash Flood Watch | TSA | Adair, Cherokee, Craig, Delaware, Haskell, Latimer and 9 more | 10 hr |
| Aug 19, 1:49 PM CDT | Flash Flood Warning | TSA | Okmulgee | 3 hr |
| Aug 19, 2:06 PM CDT | Flash Flood Warning | TSA | McIntosh, Muskogee | 6 hr |
| Aug 19, 4:01 PM CDT | Tornado Warning | TSA | Okfuskee, Okmulgee | 59 min |
| Aug 19, 5:20 PM CDT | Special Weather Statement | TSA | McIntosh | 55 min |
| Aug 19, 5:53 PM CDT | Special Weather Statement | TSA | Muskogee | 37 min |
| Aug 19, 6:32 PM CDT | Tornado Warning | TSA | McIntosh | 43 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.