Alert archive / Oklahoma / Flash Flood Warnings in 2001
Flash Flood Warning 37, NWS Tulsa, OK
NWS Tulsa, OK issued this flash flood warning at Sep 8, 2001, 10:55 PM CDT for Haskell County, Latimer County, Oklahoma. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- Sep 8, 2001, 10:55 PM CDT (03:55 UTC)
- Expired
- Sep 9, 2001, 2:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Haskell County, OK, Latimer County, OK
The radar
The Western Arkansas radar (KSRX), 86 km from the middle of the area, began a volume at 03:47 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.
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 3.9 hours before the alert went out and 199 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
- 172 J/kg
- Mixed-layer CIN
- -243 J/kg
- Mixed-layer LCL
- 953 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- -78 m²/s²
- 0-3 km storm-relative helicity
- 42 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -3.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KTSA 090357 FFWTUL OKC061-077-090700- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TULSA OK 1055 PM CDT SAT SEP 8 2001 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * FLASH FLOOD WARNING FOR HASKELL COUNTY IN SOUTHEAST OKLAHOMA LATIMER COUNTY IN SOUTHEAST OKLAHOMA * UNTIL 200 AM CDT * AT 1055 PM CDT RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAIN ALONG A LINE EXTENDING FROM 8 MILES EAST OF TAMAHA TO 6 MILES SOUTH OF KINTA TO 4 MILES SOUTHWEST OF HIGGINS...MOVING EAST AT 15 MPH. RADAR INDICATES THAT 2 TO 3 INCHES OF RAIN HAS ALREADY FALLEN OVER THE WARNED AREA. ANOTHER 1 TO 2 INCHES WILL BE POSSIBLE THROUGH 200 AM CDT. * SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY THE HEAVY RAIN INCLUDE RED OAK...DAMON...HIGGINS...YANUSH...WILBURTON...TAMAHA... KEOTA...MC CURTAIN...KINTA...LEQUIRE...STIGLER AND VETERANS COLONY. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER MAY BE TOO DEEP TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. LAT...LON 3474 9554 3463 9523 3535 9480 3550 9505
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tulsa, OK wrote its last area forecast discussion before this flash flood warning went out at Sep 8, 10:22 PM CDT, 33 minutes earlier.
Area forecast discussion, Sep 8, 10:22 PM CDT, 33 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 1022 PM CDT SAT SEP 8 2001 LINE OF STRONG TO OCCASIONALLY SVR CONVECTION LYING IN A NE-SW LINE FROM THE NE CORNER OF OK TO SC OK ATTM. HEAVY RAINFALL AND OCCASIONAL SVR WL BE POSSIBLE ALONG AND S OF THE LINE. TAKING A LOOK AT THE PROGRESSIVE NATURE OF THE LINE...HAVE GONE AHEAD AND CLEARED OUT PART OF THE FFA...GENERALLY ALONG AND NORTH OF I-44. HAVE ALSO CLEARED THESE LOCATIONS OUT OF WS733...AS FEEL THE THREAT FOR REDEVELOPMENT OF SVR TSRA IS NOT ALL THAT HIGH IN THESE AREAS. AT THE SFC...A STATIONARY FNT IS CURRENTLY LYING ACROSS SERN ZNS...WITH A STRONGER BOUNDARY MOVING INTO NWRN ZNS ATTM. FEEL THAT THE GREATEST THREAT FOR CONTINUED AND ADDITIONAL CONVECTION WILL LIE IN THE AREA BETWEEN THE TWO BOUNDARIES. AND THE NEW ETA GENERALLY AGREES WITH THIS SCENARIO. DECENT WAA NOTED ON AREA PROFILERS WITH PLENTY OF LIFT...SO HEAVY RAINFALL THREAT STILL EXISTS MAINLY ACROSS ERN ZNS. STRONGER DYNAMICS TO SWING THROUGH NRN ZNS OVERNIGHT. WITH STEEP LAPSE RATES AND ELEVATED INSTABILITY CANNOT RULE OUT REDEVELOPMENT JUST ABOUT ANYWHERE...BUT FEEL THE BEST CHANCES ARE TO THE SOUTH AND EAST. HAVE ADJUSTED POPS ACCORDINGLY. IN ADDITION...HAVE ALSO LOWERED MINS A BIT ACROSS NRN ZNS TO ACCOUNT FOR THE COOLER AND NOTICABLY DRIER AIR BEHIND THE FRONT MOVING INTO THE CWFA FROM THE NW. UPDATED ZNS OUT SHORTLY...WITH MORE UPDATES TO FOLLOW DURING THE EVENING TO CLEAR WATCHES AS NECESSARY. MANNING FCSTID = 24 .TSA... AR...FLASH FLOOD WATCH TONIGHT FOR ZONES ARZ001>002...ARZ010>011...ARZ019>020...ARZ029. SEVERE THUNDERSTORM WATCH UNTIL MIDNIGHT FOR ZONES ARZ001>002...ARZ010>011...ARZ019>020...ARZ029. OK...FLASH FLOOD WATCH TONIGHT FOR ZONES OKZ049...OKZ053...OKZ063...OKZ068>076. SEVERE THUNDERSTORM WATCH UNTIL MIDNIGHT FOR ZONES OKZ049...OKZ053...OKZ058...OKZ063...OKZ065>066...OKZ068>076.
In the hours before
Local storm report, Sep 8, 6:29 PM CDT, 4 hours 26 minutes before
PRELIMINARY LOCAL STORM REPORT...DELAYED REPORTS
NATIONAL WEATHER SERVICE TULSA OK
629 PM CDT SAT SEP 08 2001
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0908 PM VERDIGRIS OK 60 MPH WIND GUST
09/07/01 ROGERS REPORTED BY ROGERS COUNTY
EMA.
1042 PM GENTRY AR WIND DAMAGE
09/07/01 BENTON NUMEROUS TREES AND LIMBS
DOWN REPORTED BY POLICE.
1137 PM WILBURTON OK WIND DAMAGE
09/07/01 LATIMER LIMBS DOWN REPORTED BY
CO-OP OBSERVER.
1238 AM 4NW FINLEY OK WIND DAMAGE
09/08/01 PUSHMATAHA GARAGE DESTROYED REPORTED
BY COUNTY SHERIFF.
1255 AM SPENCERVILLE OK WIND DAMAGE
09/08/01 CHOCTAW TREES DOWN REPORTED BY
CHOCTAW COUNTY EMA.
0135 AM OCTAVIA OK 0.75 INCH HAIL
09/08/01 LE FLORE REPORTED BY FIRE
DEPARTMENT.
0135 AM OCTAVIA OK WIND DAMAGE
09/08/01 LE FLORE LARGE LIMBS DOWN REPORTED
BY FIRE DEPARTMENT.
MANNINGLocal storm report, Sep 8, 9:05 PM CDT, 1 hour 50 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
905 PM CDT SAT SEP 8 2001
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0528 PM 2 S BENGAL OK 0.75 INCH HAIL
09/08/01 LATIMER HAM RADIO REPORT.
0528 PM 2 S BENGAL OK 60 MPH WIND GUST
09/08/01 LATIMER HAM RADIO REPORT.
0600 PM SUMMERFIELD OK 1.00 INCH HAIL
09/08/01 LE FLORE REPORTED BY POLICE.
0835 PM WILBURTON OK FLOODING
09/08/01 LATIMER SEVERAL VEHICLES
STRANDED. REPORTED BY
LATIMER COUNTY EMA.
MANNINGSpecial weather statement, Sep 8, 9:39 PM CDT, 1 hour 16 minutes before
OKZ057-058-060>071-090345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 939 PM CDT SAT SEP 8 2001 SEVERE THUNDERSTORM WATCH NUMBER 733 REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR THE FOLLOWING COUNTIES IN EASTERN OKLAHOMA... OKFUSKEE...OKMULGEE...MCINTOSH...MUSKOGEE...CHEROKEE...ADAIR... DELAWARE...AND OTTAWA. SEVERE THUNDERSTORM WATCH NUMBER 733 IS NO LONGER IN EFFECT FOR THE FOLLOWING COUNTIES IN EASTERN OKLAHOMA... CREEK...TULSA...WAGONER...ROGERS...MAYES...AND CRAIG COUNTIES. THE LINE OF STRONG TO SEVERE THUNDERSTORMS WAS MOVING TO THE SOUTH AND EAST OF PORTIONS OF NORTHEAST OKLAHOMA WITH THE THREAT OF ADDITIONAL SEVERE WEATHER ENDED FOR THE EVENING. MANNING
Local storm report, Sep 8, 10:34 PM CDT, 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1034 PM CDT SAT SEP 08 2001
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0940 PM MCALESTER OK 0.75 INCH HAIL
09/08/01 PITTSBURG REPORTED BY PITTSBURG
COUNTY EMA.
MANNINGSpecial weather statement, Sep 8, 10:47 PM CDT, 8 minutes before
OKZ058-063-065-066-068>071-090415- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 1047 PM CDT SAT SEP 8 2001 SEVERE THUNDERSTORM WATCH NUMBER 733 THAT WAS IN EFFECT FOR PORTIONS OF EASTERN OKLAHOMA HAS BEEN CANCELLED. THIS INCLUDES THE FOLLOWING COUNTIES EASTERN OKLAHOMA... OKFUSKEE...OKMULGEE...MCINTOSH...MUSKOGEE...CHEROKEE...ADAIR... DELAWARE...AND OTTAWA. THE LINE OF STRONG TO SEVERE THUNDERSTORMS HAS MOVED TO THE SOUTH OF THE WATCH AREA AND THE THREAT OF SEVERE WEATHER HAS DIMINISHED ACROSS NORTHEAST OKLAHOMA. MANNING
Special weather statement, Sep 8, 10:48 PM CDT, 7 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-091100- EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE TULSA OK 1048 PM CDT SAT SEP 8 2001 ...LOCALLY HEAVY RAINFALL POSSIBLE TONIGHT... .DISCUSSION... A BROAD BAND OF STRONG THUNDERSTORMS WITH VERY HEAVY RAIN HAS DEVELOPED ACROSS SOUTHEAST OKLAHOMA AND NORTHWEST ARKANSAS THIS EVENING. THIS ACTIVITY DEVELOPED IN A ZONE OF STRONG LIFTING AHEAD OF AN UPPER LEVEL WAVE MOVING ACROSS WESTERN OKLAHOMA. SHOWERS AND THUNDERSTORMS ARE EXPECTED TO CONTINUE WELL INTO THE NIGHTTIME HOURS...MAINLY IN AREAS SOUTH OF A LINE FROM HENRYETTA TO JAY. AN ISOLATED THUNDERSTORM COULD INTENSIFY TO SEVERE LEVELS AND PRODUCE DIME TO NICKEL SIZE HAIL...BUT THE MAIN THREAT FROM THUNDERSTORMS FOR THE REST OF THE NIGHT WILL BE LOCALLY EXCESSIVE RAINFALL. LOCALIZED STORM TOTALS FROM RAINS THROUGH TONIGHT COULD EXCEED 5 INCHES IN A FEW AREAS.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 8, 9:36 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 39 min |
| Sep 8, 9:58 PM CDT | Flash Flood Warning | TSA | Pittsburg | 3 hr |
Nearby
Flash Flood Warnings in Oklahoma, 2001Every flash flood warning in 2001
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.