Alert archive / Arkansas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 396, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Sep 8, 2001, 12:06 AM CDT for Sebastian County, Arkansas. It was in force for 54 min. 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
- Sep 8, 2001, 12:06 AM CDT (05:06 UTC)
- Expired
- Sep 8, 2001, 1:00 AM CDT
- In force
- 54 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Sebastian County, AR
The radar
The Western Arkansas radar (KSRX), 13 km from the middle of the area, began a volume at 05:08 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, 12:40 AM CDT | Thunderstorm Wind 52 E | Central City, AR | Thunderstorm winds estimated at 60 miles an hour blew down large tree limbs. |
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
Springfield, MO (KSGF), launched 00:00Z, 5.1 hours before the alert went out and 194 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
- 932 J/kg
- Mixed-layer CIN
- -149 J/kg
- Mixed-layer LCL
- 2014 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 83 m²/s²
- 0-3 km storm-relative helicity
- 178 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
446 WUUS54 KTSA 080506 SVRTUL ARC131-080600- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 1206 AM CDT SAT SEP 8 2001 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SEBASTIAN COUNTY IN WEST CENTRAL ARKANSAS * UNTIL 100 AM CDT * AT 1206 AM CDT...DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 12 MILES NORTHWEST OF FORT SMITH TO 27 MILES WEST OF HARTFORD...MOVING EAST AT 35 MPH. * SOME LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE...BLOOMER... JENNY LIND...BONANZA...MANSFIELD...EXCELSIOR...BURNVILLE... MIDLAND...HUNTINGTON...LAVACA...BARLING...GREENWOOD...HACKETT... HARTFORD AND FORT SMITH. HAIL TO THE SIZE OF DIMES AND WIND GUSTS TO 70 MPH CAN BE EXPECTED IN THE WARNED AREA. DAMAGING WINDS MAY OCCUR SEVERAL MILES AHEAD OF THE HEAVY RAIN AND HAIL. MOVE TO A SAFE PLACE NOW. THIS IS A DANGEROUS STORM. BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS. IF YOU ARE NEAR ITS PATH YOU SHOULD PREPARE FOR VERY LARGE HAIL AND STRONG DAMAGING STRAIGHT LINE WINDS. SEEK SHELTER IN A STURDY BUILDING AND STAY AWAY FROM WINDOWS $$ MANNING LAT...LON 3538 9444 3493 9446 3497 9423 3545 9408
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 7, 7:07 PM CDT, 4 hours 59 minutes earlier.
Area forecast discussion, Sep 7, 7:07 PM CDT, 4 hours 59 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, 2 hours 53 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 29 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 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, 1 hour 53 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 3 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, 22 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, 10:14 PM CDT | Severe Thunderstorm Warning | TSA | Benton | 61 min |
| Sep 7, 11:38 PM CDT | Severe Thunderstorm Warning | TSA | Benton, Washington | 67 min |
| Sep 7, 11:59 PM CDT | Severe Thunderstorm Warning | TSA | Crawford | 61 min |
| Sep 8, 12:11 AM CDT | Severe Thunderstorm Warning | TSA | Carroll, Madison | 64 min |
| Sep 8, 12:36 AM CDT | Severe Thunderstorm Warning | TSA | Franklin | 69 min |
| Sep 8, 12:44 AM CDT | Severe Thunderstorm Warning | TSA | Washington | 31 min |
| Sep 8, 1:13 AM CDT | Severe Thunderstorm Warning | TSA | Carroll, Madison | 47 min |
| Sep 8, 5:37 PM CDT | Severe Thunderstorm Warning | TSA | Crawford, Franklin | 38 min |
| Sep 8, 6:16 PM CDT | Severe Thunderstorm Warning | TSA | Franklin | 44 min |
| Sep 8, 6:30 PM CDT | Severe Thunderstorm Warning | TSA | Sebastian | 60 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 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.