Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 398, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Sep 8, 2001, 12:19 AM CDT for Choctaw County, Pushmataha County, Oklahoma. It was in force for 56 min. 2 reports came from 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, with what was reported inside it.
The facts
- Issued
- Sep 8, 2001, 12:19 AM CDT (05:19 UTC)
- Expired
- Sep 8, 2001, 1:15 AM CDT
- In force
- 56 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Choctaw County, OK, Pushmataha County, OK
The radar
The Western Arkansas radar (KSRX), 150 km from the middle of the area, began a volume at 05:19 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 |
|---|---|---|---|
| Sep 8, 12:38 AM CDT | Thunderstorm Wind 61 E | Finley, OK | Thunderstorm winds estimated at 70 miles an hour destroyed a garage. |
| Sep 8, 12:55 AM CDT | Thunderstorm Wind 61 E | Spencerville, OK | Thunderstorm winds estimated at 70 miles an hour blew a few trees down. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
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 7, 10:30 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 5.3 hours before the alert went out and 198 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
- 3154 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 1262 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 156 m²/s²
- 0-3 km storm-relative helicity
- 166 m²/s²
- Significant tornado parameter
- 2.3
- Supercell composite
- 17.3
The text
As transmitted, in the capitals the NWS used until 2016.
255
WUUS54 KTSA 080519
SVRTUL
OKC023-127-080615-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1219 AM CDT SAT SEP 8 2001
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CHOCTAW COUNTY IN SOUTHEAST OKLAHOMA
PUSHMATAHA COUNTY IN SOUTHEAST OKLAHOMA
* UNTIL 115 AM CDT
* AT 1219 AM CDT...DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS ALONG
A LINE EXTENDING FROM 21 MILES NORTHWEST OF MOYERS TO 3 MILES WEST
OF MOYERS TO 14 MILES SOUTH OF BOSWELL...MOVING EAST AT 45 MPH.
* SOME LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE...DUNBAR...
KELLOND...OLETA...ALBION...KIAMICHI...TUSKAHOMA...STANLEY...
NASHOBA...SNOW...KOSOMA...MOYERS...CLOUDY...RATTAN...CLAYTON...
ANTLERS...KENT...MESSER...SOPER...BOSWELL...FORT TOWSON...SAWYER...
GOODLAND AND HUGO.
WIND GUSTS TO 65 MPH CAN BE EXPECTED IN THE WARNED AREA.
BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AS STORMS APPROACH.
LAT...LON 3458 9580 3431 9580 3388 9599 3392 9517
3443 9501 3467 9507What 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 7, 7:07 PM CDT, 5 hours 12 minutes earlier.
Area forecast discussion, Sep 7, 7:07 PM CDT, 5 hours 12 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 707 PM CDT FRI SEP 7 2001 WILL UPDATE FOR NEW TORNADO WATCH NUMBER 720 IN EFFECT UNTIL MIDNIGHT. MESONET WINDS AND 3 HOURLY PRESSURE FALLS SUGGEST THAT TORNADO THREAT SHUD REMAIN N OF I-40. PRIMARY SEVERE WEATHER THREAT...HOWEVER...WILL BE LARGE HAIL AND DAMAGING WINDS. ALSO PUSHED OFF POPS FOR FAR SE OK AND NW AR UNTIL AFTER MIDNIGHT. UPDATE OUT AROUND 715 PM. FCSTID = 18 .TSA... AR...NONE. OK...TORNADO WATCH UNTIL MIDNIGHT CDT SATURDAY FOR ZONES OKZ054>068...OKZ070>071...OKZ073.
In the hours before
Special weather statement, Sep 7, 9:13 PM CDT, 3 hours 6 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-081200- EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 913 PM CDT FRI SEP 7 2001 ...UPDATE FOR TORNADO WATCH NUMBER 720... .DISCUSSION... AT 9PM THE LOW-LEVEL INSTABILITY AXIS EXTENDED FROM NEAR JOPLIN TO MCALESTER. THE LINE OF THUNDERSTORMS WILL CONTINUE SEVERE AS IT CROSSES THIS AXIS...BUT SHOULD BEGIN TO WEAKEN AS IT MOVES PAST THE THE GREATEST INSTABILITY AND AS THE ASSOCIATED UPPER-LEVEL SYSTEM WEAKENS AND ACCELERATES NORTHEAST AWAY FROM THE REGION. THE THREAT FOR SEVERE WEATHER IN WESTERN ARKANSAS AND FAR SOUTHEAST OKLAHOMA WILL BE LIMITED IF THE STORMS WEAKEN AS EXPECTED. SEE SHORT TERM FORECASTS FOR THE LATEST PROJECTIONS ON THIS LINE OF SEVERE STORMS.
Local storm report, Sep 7, 9:37 PM CDT, 2 hours 42 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
937 PM CDT FRI SEP 07 2001
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0935 PM MAZIE OK 65 MPH TSTM GUST
09/07/01 MAYES SPOTTER REPORT.Special weather statement, Sep 7, 10:06 PM CDT, 2 hours 13 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 1006 PM CDT FRI SEP 7 2001 OKZ057-058-062-063-065>068-070-071-073-080400- CHEROKEE-CRAIG-DELAWARE-MAYES-MCINTOSH-MUSKOGEE-OKFUSKEE-OKMULGEE- OTTAWA-PITTSBURG-WAGONER- 1006 PM CDT FRI SEP 7 2001 TORNADO WATCH NUMBER 720 REMAINS IN EFFECT UNTIL MIDNIGHT FOR THE FOLLOWING OKLAHOMA COUNTIES... CHEROKEE...CRAIG...DELAWARE...MAYES...MCINTOSH...MUSKOGEE... OKFUSKEE...OKMULGEE...OTTAWA...PITTSBURG AND WAGONER COUNTIES. THE LINE OF THUNDERSTORMS WILL CONTINUE SEVERE FOR THE NEXT COUPLE OF HOURS AS IT MOVES ACROSS PARTS OF EASTERN OKLAHOMA. OKZ056-060-061-064-080400- CREEK-NOWATA-ROGERS-TULSA- 1006 PM CDT FRI SEP 7 2001 TORNADO WATCH NUMBER 720 HAS BEEN CANCELED IN CREEK...NOWATA... ROGERS AND TULSA COUNTIES. THE LINE OF SEVERE STORMS HAS MOVED OUT OF THESE COUNTIES AND THE THREAT FOR SEVERE WEATHER HAS ENDED.
Special weather statement, Sep 7, 10:13 PM CDT, 2 hours 6 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-080515- EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 1013 PM CDT FRI SEP 7 2001 ...UPDATE FOR TORNADO WATCH NUMBER 720... TORNADO WATCH NUMBER 720 FOR PARTS OF EASTERN OKLAHOMA WILL BE REPLACED BY A SEVERE THUNDERSTORM WATCH THAT WILL COVER PARTS OF EASTERN OKLAHOMA AND MUCH NORTHWEST ARKANSAS. .DISCUSSION... THE LINE OF THUNDERSTORMS MOVING ACROSS EASTERN OKLAHOMA WILL CONTINUE SEVERE THROUGH MIDNIGHT WITH SOME WEAKENING LIKELY THEREAFTER. HOWEVER THE POTENTIAL FOR STRONG WINDS MAY CONTINUE INTO THE OVERNIGHT HOURS AND A SEVERE THUNDERSTORM WATCH WILL BE ISSUED SOON FOR MUCH OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
Special weather statement, Sep 7, 11:03 PM CDT, 1 hour 16 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 1103 PM CDT FRI SEP 7 2001 OKZ057-058-062-065>067-080900- CRAIG-MAYES-OKFUSKEE-OKMULGEE-OTTAWA-WAGONER- 1103 PM CDT FRI SEP 7 2001 ...TORNADO WATCH NUMBER 720 HAS BEEN CANCELLED... TORNADO WATCH NUMBER 720 HAS BEEN CANCELLED FOR CRAIG...MAYES... OKFUSKEE...OKMULGEE...OTTAWA AND WAGONER COUNTIES. ARZ001-002-010-011-019-020-029-OKZ049-053-063-068>076-080900- ADAIR-BENTON-CARROLL-CHEROKEE-CHOCTAW-CRAWFORD-DELAWARE-FRANKLIN- HASKELL-LATIMER-LE FLORE-MADISON-MCINTOSH-MUSKOGEE-PITTSBURG- PUSHMATAHA-SEBASTIAN-SEQUOYAH-WASHINGTON AR- 1103 PM CDT FRI SEP 7 2001 ...SEVERE THUNDERSTORM WATCH NUMBER 724 REMAINS IN EFFECT THROUGH 400 AM... SEVERE THUNDERSTORM WATCH NUMBER 724 REPLACES PARTS OF TORNADO WATCH 720 IN PORTIONS OF EASTERN OKLAHOMA AND INCLUDES ALL OF SOUTHEAST OKLAHOMA AND NORTHWEST ARKANSAS. IN EASTERN OKLAHOMA THE WATCH INCLUDES: ADAIR...CHEROKEE... CHOCTAW...DELAWARE...HASKELL...LATIMER...LE FLORE...MCINTOSH... MUSKOGEE...PITTSBURG...PUSHMATAHA AND SEQUOYAH COUNTIES. IN NORTHWEST ARKANSAS THE WATCH INCLUDES: BENTON...CARROLL... MADISON...CRAWFORD...FRANKLIN...SEBASTIAN AND WASHINGTON COUNTIES.
Local storm report, Sep 7, 11:44 PM CDT, 35 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1144 PM CDT FRI SEP 07 2001
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1130 PM TAHLEQUAH OK WIND DAMAGE
09/07/01 CHEROKEE LARGE LIMBS DOWNED.
REPORTED BY CHEROKEE
S.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, 1:15 AM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 60 min |
| Sep 8, 3:41 PM CDT | Severe Thunderstorm Warning | TSA | Haskell, Latimer | 64 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.