Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 403, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Sep 8, 2001, 3:41 PM CDT for Haskell County, Latimer County, Oklahoma. It was in force for 64 min. 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, 3:41 PM CDT (20:41 UTC)
- Expired
- Sep 8, 2001, 4:45 PM CDT
- In force
- 64 min
- 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), 78 km from the middle of the area, began a volume at 20:45 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 8, 3:00 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 8.7 hours before the alert went out and 202 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1774 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 106 m²/s²
- 0-3 km storm-relative helicity
- 174 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
115 WUUS54 KTSA 082042 SVRTUL OKC061-077-082145- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 341 PM CDT SAT SEP 8 2001 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... HASKELL COUNTY IN SOUTHEAST OKLAHOMA NORTHERN LATIMER COUNTY IN SOUTHEAST OKLAHOMA * UNTIL 445 PM CDT * AT 341 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 8 MILES SOUTH OF KINTA...MOVING NORTHEAST AT 30 MPH. * SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...MC CURTAIN... KINTA AND LEQUIRE. HAIL TO THE SIZE OF NICKELS AND WIND GUSTS TO 65 MPH CAN BE EXPECTED IN THE WARNED AREA. LAT...LON 3504 9538 3494 9528 3500 9495 3539 9491
What forecasters said that day
The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Sep 8, 10:15 AM CDT, 5 hours 26 minutes earlier.
Area forecast discussion, Sep 8, 10:15 AM CDT, 5 hours 26 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 1015 AM CDT SAT SEP 8 2001 SURFACE FRONT ENTERING NW PARTS OF THE FA AS OF LATE THIS MORNING...WITH UPPER 50 TO LOWER 60 DEWPOINTS NOTED BEHIND BOUNDARY. STRONGER PUSH OF COLDER AIR ENTERING THE OKLAHOMA PANHANDLE...WITH TEMPERATURES RUNNING IN THE 50S WITH GUSTY NORTH WINDS. CLEAR SKIES IN THE WAKE OF EXITING S/W ARE NOW FILLING BACK IN WITH MID CLOUDS. 12Z MODELS FILL ENTIRE AREA BACK IN WITH CLOUDS BY THIS AFTERNOON...AND THIS LOOKS REASONABLE GIVEN SAT TRENDS OVER THE LAST FEW HOURS. HOW FAR EAST BOUNDARY MAKES IT TODAY IS A BIG QUESTION MARK. ETA PUSHES BOUNDARY INTO FAR ERN OK BY 00Z...THEN SLOWS CONSIDERABLY BEFORE MOVING EXITING NW AR SOMETIME AFTER 12Z SUN. WILL LEAVE LATER PERIODS AS THEY ARE FOR NOW...BUT FEEL THAT A HEAVY RAIN EVENT MAY POSE A GREATER THREAT THAN SVR ATTM FOR TONIGHT. WILL LEAVE FIRST PERIOD SVR WORDING ALONE....BUT WILL UPDATE FOR CLOUD COVER...BUMP TEMPS DOWN AND ADJUST WINDS. UPDATED ZONES OUT BY 1530Z FCSTID = 23 .TSA... AR...NONE. OK...NONE.
In the hours before
Special weather statement, Sep 8, 1:00 PM CDT, 2 hours 41 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 100 PM CDT SAT SEP 8 2001 ...A FEW SEVERE THUNDERSTORMS ARE EXPECTED IN EASTERN OKLAHOMA AND NORTHWEST ARKANSAS LATER TODAY AND TONIGHT... EARLY THIS AFTERNOON A SURFACE BOUNDARY HAD BECOME A LITTLE BETTER DEFINED OVER SOUTHERN OKLAHOMA FROM NORTH OF ARDMORE TO SOUTH OF MCALESTER. FROM THERE THE BOUNDARY REMAINS RATHER ILL-DEFINED AS IT SNAKES ITS WAY INTO WESTERN MISSOURI. THIS BOUNDARY WILL LIKELY BE THE INITIAL FOCUS FOR SCATTERED THUNDERSTORMS TO DEVELOP LATER THIS AFTERNOON OR THIS EVENING. LATER TONIGHT ANOTHER UPPER LEVEL STORM SYSTEM WILL MOVE OUT OF THE ROCKIES AND INTO THE PLAINS...AND SHOWERS AND THUNDERSTORMS WILL BECOME MORE NUMEROUS. A FEW SEVERE STORMS ARE EXPECTED FROM LATER TODAY THROUGH TONIGHT WITH LARGE HAIL UP TO GOLFBALL SIZE...AND DAMAGING WINDS OF UP TO 70 MILES AN HOUR POSSIBLE. HEAVY RAINFALL MAY ALSO BECOME A PROBLEM OVERNIGHT AS THUNDERSTORMS MAY TRACK ACROSS THE SAME AREAS. .SPOTTER ACTIVATION... EMERGENCY MANAGEMENT AGENCIES AND STORM SPOTTER GROUPS WILL LIKELY REQUIRE ACTIVATION AGAIN LATER TODAY THROUGH TONIGHT. .DISCUSSION... A SURFACE BOUNDARY HAS BECOME BETTER DEFINED OVER SOUTHERN OKLAHOMA SINCE THIS MORNING AND REMAINS NEARLY STATIONARY FROM NEAR ARDMORE TO SOUTH OF MCALESTER. CONVERGENCE ALONG THIS BOUNDARY AND AN INCREASINGLY UNSTABLE ATMOSPHERE SOUTH OF THE FRONT WILL LEAD TO THE DEVELOPMENT OF THUNDERSTORMS ALONG AND NEAR THE FRONT LATER THIS AFTERNOON AND THIS EVENING. PERSISTENT CLOUD COVER HAS THUS FAR LIMITED THE AMOUNT OF INSTABILITY...BUT SCATTERED THUNDERSTORMS WILL BE POSSIBLE WITH THE POTENTIAL FOR A FEW TO BECOME SEVERE. LARGE HAIL AND DAMAGING WINDS WILL BE THE MAIN THREAT. LATER TONIGHT...AS ANOTHER UPPER LEVEL DISTURBANCE APPROACHES THE AREA...SHOWERS AND THUNDERSTORMS WILL BECOME MORE NUMEROUS. ADDITIONAL SEVERE THUNDERSTORMS WILL BE POSSIBLE ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS INTO THE EARLY NIGHTTIME HOURS...THEN THE MAIN EMPHASIS WILL SHIFT FROM SEVERE WEATHER TO HEAVY RAINFALL AS THUNDERSTORMS TRACK ACROSS THE SAME AREAS REPEATEDLY. THREAT TABLE VALID THROUGH 7 AM SUNDAY THREAT AREA 1...ALL OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS THUNDERSTORM PROBABILITY...100 SEVERE PROBABILITY IF STORMS OCCUR...80 SIGNIFICANT SEVERE PROBABILITY IF STORMS OCCUR...40 THREAT AREAS DEFINE THE GREATEST RISK. PROBABILITIES ARE IN PERCENT. SIGNIFICANT SEVERE IS DEFINED AS F1 OR GREATER WIND/TORNADO DAMAGE AND/OR GOLFBALL SIZE HAIL OR LARGER. RELATED GRAPHICAL INFORMATION CAN BE FOUND AT: WWW.SRH.NOAA.GOV/TULSA
Local storm report, Sep 8, 1:04 PM CDT, 2 hours 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
104 PM CDT SAT SEP 08 2001
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0655 PM PAWNEE OK WIND DAMAGE
09/07/01 PAWNEE TREE BLOWN DOWN AND
POWER POLES DOWN. RPTD
BY PD.
1035 PM TAHLEQUAH OK WIND DAMAGE
09/07/01 CHEROKEE NUMEROUS TREES BLOWN
DOWN. RPTD BY S.O.
1130 PM 10 W STIGLER OK WIND DAMAGE
09/07/01 HASKELL LARGE TREE LIMBS DOWN.
RPTD BY S.O.
1135 PM 3 S STILWELL OK 60 MPH TSTM GUST
09/07/01 ADAIR RPTD BY S.O.
1255 AM COUNTY WIDE AR WIND DAMAGE
09/08/01 FRANKLIN TREES BLOWN DOWN. RPTD
BY S.O.Local storm report, Sep 8, 1:08 PM CDT, 2 hours 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
108 PM CDT SAT SEP 08 2001
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1110 PM GOWEN OK 60 MPH TSTM GUST
09/07/01 PITTSBURG RPTD BY P.O.
1115 PM KIOWA OK WIND DAMAGE
09/07/01 PITTSBURG TRAILER HOUSE BLOWN
OVER. RPTD BY LATIMER
CO S.O.
1245 AM COUNTY WIDE AR WIND DAMAGE
09/08/01 WASHINGTON TREES AND POWER PLOES
DOWN. RPTD BY S.O.
0115 AM COUNTY WIDE AR WIND DAMAGE
09/08/01 MADISON LARGE TREES BLOWN DOWN.
RPTD BY S.O.
0125 AM COUNTY WIDE AR WIND DAMAGE
09/08/01 CARROLL TREES AND POWER POLES
DOWN. RPTD BY S.O.Local storm report, Sep 8, 1:11 PM CDT, 2 hours 30 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
111 PM CDT SAT SEP 08 2001
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0845 PM TALALA OK 70 MPH TSTM GUST
09/07/01 ROGERS RPTD BY PD.
0900 PM WELCH OK WIND DAMAGE
09/07/01 CRAIG TREE BLOWN DOWN. RPTD
BY P.O.
0915 PM COWETA OK WIND DAMAGE
09/07/01 WAGONER TREES BLOWN DOWN. RPTD
BY SPOTTER.
1115 PM EUFAULA OK 60 MPH TSTM GUST
09/07/01 MCINTOSH RPTD BY LOCAL RADIO
STATION.
1145 PM SILOAM SPGS AR WIND DAMAGE
09/07/01 BENTON SEVERAL LARGE TREES
DOWN. RPTD BY S.O.Local storm report, Sep 8, 1:23 PM CDT, 2 hours 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
123 PM CDT SAT SEP 08 2001
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0920 PM OKEMAH OK WIND DAMAGE
09/07/01 OKFUSKEE UTILITY BARNS DAMAGES
ALONG WITH TREES AND
POWER POLES. RPTD BY EM.
1000 PM WAGONER OK 60 MPH TSTM GUST
09/07/01 WAGONER RPTD BY S.O.
1010 PM 22 W EUFAULA OK 75 MPH TSTM GUST
09/07/01 MCINTOSH RPTD BY TOLL GATE STAFF.
1015 PM 2 N MUSKOGEE OK WIND DAMAGE
09/07/01 MUSKOGEE LARGE BILLBOARD SIGN
BLOWN DOWN. RPTD BY S.O.
1120 PM MARBLE CITY OK WIND DAMAGE
09/07/01 SEQUOYAH LARGE TREE LIMBS DOWN.
RPTD BY PUBLIC.
1200 AM MC CURTAIN OK 60 MPH TSTM GUST
09/08/01 HASKELL RPTD BY NWS COOP OBSVR.
1220 AM PANAMA OK WIND DAMAGE
09/08/01 LE FLORE LARGE TREE BLOWN DOWN.
RPTD BY S.O.
1230 AM COUNTY WIDE AR WIND DAMAGE
09/08/01 CARROLL LARGE TREES BLOWN DOWN.
RPTD BY S.O.
1245 AM COUNTY WIDE AR WIND DAMAGE
09/08/01 MADISON TREES BLOWN DOWN. RPTD
BY S.O.Local storm report, Sep 8, 1:29 PM CDT, 2 hours 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
129 PM CDT SAT SEP 08 2001
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0915 PM WELCH OK 60 MPH TSTM GUST
09/07/01 CRAIG RPTD BY SPOTTER.
0930 PM MIAMI OK WIND DAMAGE
09/07/01 OTTAWA TREES BLOWN DOWN RPTD
BY WELCH P.O.
1030 PM COUNCIL HILL OK .75 INCH HAIL
09/07/01 MUSKOGEE RPTD BY P.O.
1035 PM CHECOTAH OK 60 MPH TSTM GUST
09/07/01 MCINTOSH RPTD BY PD.
1105 PM OKAY OK .75 INCH HAIL
09/07/01 WAGONER RPTD BY STATE PARK
OFFICIAL.
1250 AM WELCH OK .75 INCH HAIL
09/08/01 CRAIG RPTD BY P.O.The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 7:27 PM CDT | Severe Thunderstorm Warning | TSA | Creek | 63 min |
| Sep 7, 7:38 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Washington | 52 min |
| Sep 7, 7:38 PM CDT | Severe Thunderstorm Warning | TSA | Pawnee | 52 min |
| Sep 7, 7:59 PM CDT | Severe Thunderstorm Warning | TSA | Nowata | 61 min |
| Sep 7, 8:03 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Tulsa | 57 min |
| Sep 7, 8:03 PM CDT | Severe Thunderstorm Warning | TSA | Rogers | 57 min |
| Sep 7, 8:10 PM CDT | Severe Thunderstorm Warning | TSA | Okfuskee | 50 min |
| Sep 7, 8:22 PM CDT | Severe Thunderstorm Warning | TSA | Craig | 38 min |
| Sep 7, 8:39 PM CDT | Severe Thunderstorm Warning | TSA | Okmulgee, Wagoner | 51 min |
| Sep 7, 8:55 PM CDT | Severe Thunderstorm Warning | TSA | Tulsa | 35 min |
| Sep 7, 8:57 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Mayes, Rogers | 63 min |
| Sep 7, 8:57 PM CDT | Severe Thunderstorm Warning | TSA | Ottawa | 63 min |
| Sep 7, 8:57 PM CDT | Severe Thunderstorm Warning | TSA | Okfuskee | 33 min |
| Sep 7, 9:13 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh, Muskogee | 62 min |
| Sep 7, 9:13 PM CDT | Severe Thunderstorm Warning | TSA | Wagoner | 62 min |
| Sep 7, 9:39 PM CDT | Severe Thunderstorm Warning | TSA | Okfuskee | 66 min |
| Sep 7, 9:40 PM CDT | Severe Thunderstorm Warning | TSA | Delaware | 65 min |
| Sep 7, 9:41 PM CDT | Severe Thunderstorm Warning | TSA | Cherokee | 64 min |
| Sep 7, 10:11 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh, Muskogee, Okmulgee | 64 min |
| Sep 7, 10:14 PM CDT | Severe Thunderstorm Warning | TSA | Adair | 61 min |
| Sep 7, 10:30 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 60 min |
| Sep 7, 10:39 PM CDT | Severe Thunderstorm Warning | TSA | Haskell | 66 min |
| Sep 7, 10:54 PM CDT | Severe Thunderstorm Warning | TSA | Cherokee, Sequoyah, Wagoner | 66 min |
| Sep 7, 10:59 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 46 min |
| Sep 7, 11:13 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh | 47 min |
| Sep 7, 11:24 PM CDT | Severe Thunderstorm Warning | TSA | Adair | 51 min |
| Sep 7, 11:31 PM CDT | Severe Thunderstorm Warning | TSA | Latimer, Pushmataha | 59 min |
| Sep 7, 11:42 PM CDT | Severe Thunderstorm Warning | TSA | Haskell, LeFlore, Sequoyah | 63 min |
| Sep 8, 12:19 AM CDT | Severe Thunderstorm Warning | TSA | Choctaw, Pushmataha | 56 min |
| Sep 8, 1:15 AM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 60 min |
| Sep 8, 3:50 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 55 min |
| Sep 8, 4:45 PM CDT | Severe Thunderstorm Warning | TSA | Latimer | 60 min |
| Sep 8, 5:18 PM CDT | Severe Thunderstorm Warning | TSA | Pushmataha | 57 min |
| Sep 8, 5:30 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 60 min |
| Sep 8, 6:09 PM CDT | Severe Thunderstorm Warning | TSA | Latimer | 66 min |
| Sep 8, 6:14 PM CDT | Flash Flood Warning | TSA | Latimer | 3 hr |
| Sep 8, 6:30 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 60 min |
| Sep 8, 6:43 PM CDT | Severe Thunderstorm Warning | TSA | Pushmataha | 62 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2001Every severe thunderstorm 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.