Alert archive / Arkansas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 33, NWS Tulsa, OK

February 24, 2001Washington County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Feb 24, 2001, 1:09 PM CST for Washington County, Arkansas. It was in force for 66 min. 5 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
Feb 24, 2001, 1:09 PM CST (19:09 UTC)
Expired
Feb 24, 2001, 2:15 PM CST
In force
66 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Washington County, AR

The radar

The Western Arkansas radar (KSRX), 78 km from the middle of the area, began a volume at 19:11 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

TimeReportWhereRemark
Feb 24, 1:30 PM CSTHail 0.88Farmington, AR
Feb 24, 1:30 PM CSTHail 0.88West Fork, AR
Feb 24, 1:32 PM CSTThunderstorm WindFayetteville, ARThunderstorm winds blew down a tree which damaged three cars.
Feb 24, 1:45 PM CSTThunderstorm WindSpring Vly, ARThunderstorm winds blew down power lines.
Feb 24, 1:45 PM CSTThunderstorm WindSulphur City, ARThunderstorm winds blew down trees.

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.

IssuedProductOfficeLasted
Feb 24, 11:15 AM CSTTornado WatchSPC6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 7.2 hours before the alert went out and 109 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.

Skew-T log-pSkew-T log-p diagram, Springfield, MO at 12:00Z on 2001-02-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 2001-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 326 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
429 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
326 m²/s²
0-3 km storm-relative helicity
371 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS54 KTSA 241910
SVRTUL
ARC143-242015-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
109 PM CST SAT FEB 24 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WASHINGTON COUNTY IN NORTHWEST ARKANSAS

* UNTIL 215 PM CST

* AT 109 PM CST...DOPPLER RADAR INDICATED A LINE OF SEVERE 
THUNDERSTORMS MOVING INTO WESTERN WASHINGTON COUNTY...MOVING 
NORTHEAST AT 50 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...TONTITOWN...
  CINCINNATI...GREENLAND...STRICKLER...FARMINGTON...PRAIRIE GROVE...
  LINCOLN...SPRINGDALE AND FAYETTEVILLE.

HAIL TO THE SIZE OF NICKELS AND WIND GUSTS TO 70 MPH CAN BE EXgPECTED 
IN THE WARNED AREA.

A TORNADO WATCH IS ALSO IN EFFECT UNTIL 5 PM. TORNADOES CAN DEVELOP 
SUDDENLY FROM SEVERE THUNDERSTORMS. BE ALERT FOR RAPIDLY CHANGING 
WEATHER CONDITIONS.

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 Feb 24, 12:30 PM CST, 39 minutes earlier.

Area forecast discussion, Feb 24, 12:30 PM CST, 39 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
1230 PM CST SAT FEB 24 2001

LINE OF STORMS IS PROGRESSING EAST WITH ONLY SCATTERED SHOWERS
BEHIND IT FOR THE MOST PART. WILL UPDATE ZONES TO REMOVE COUNTIES
FROM FLASH FLOOD AND TOR WATCH. /13

.TUL...
.AR...FLASH FLOOD WATCH...WIND ADVISORY TODAY FOR ZONES
1-2-10-11-19-20-29.
.OK...FLASH FLOOD WATCH...WIND ADVISORY TODAY FOR ZONES
49-53-58-063-068>70-72-73>76.

In the hours before

Local storm report, Feb 24, 12:03 PM CST, 1 hour 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1203 PM CST SAT FEB 24 2001

TIME(CST)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1127 AM    STIDHAM                   OK    .75 INCH HAIL
02/24/01   MCINTOSH                        [EUFAULA EOC]

1135 AM    MUSKOGEE                  OK    WIND DAMAGE
02/24/01   MUSKOGEE                        [CITY OF MUSKOGEE EOC]

1140 6AM    MUSKOGEE                  OK    .75 INCH HAIL
02/24/01   MUSKOGEE                        [CITY OF MUSKOGEE EOC]
Local storm report, Feb 24, 12:05 PM CST, 1 hour 4 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTION
NATIONAL WEATHER SERVICE TULSA OK
1205 PM CST SAT FEB 24 2001

TIME(CST)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1135 AM    MUSKOGEE                  OK    WIND DAMAGE
02/24/01   MUSKOGEE                        POWER LINES DOWN ON THE
                                           WEST SIDE OF MUSKOGEE
                                           CITY OF MUSKOGEE EOC
Local storm report, Feb 24, 12:15 PM CST, 54 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1215 PM CST SAT FEB 24 2001

TIME(CST)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1140 AM    1 W CHECOTAH              OK    WIND DAMAGE
02/24/01   MCINTOSH                        POWER LINES AND TREES
                                           DOWN 1 MILE WEST OF
                                           INTERSECTION OF
                                           INTERSTATE 40 AND
                                           HIGHWAY 69 [AMATEUR
                                           RADIO]
Special weather statement, Feb 24, 12:20 PM CST, 49 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-251200-

EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
1220 PM CST SAT FEB 24 2001

..TORNADO WATCH IN EFFECT FOR MOST OF EASTERN OKLAHOMA AND ALL OF
NORTHWEST ARKANSAS UNTIL 5 PM...

A STRONG UPPER LEVEL STORM SYSTEM WAS LOCATED OVER COLORADO THIS
AFTERNOON. SURFACE LOW PRESSURE SYSTEM WAS LOCATED IN SOUTHWEST
KANSAS WITH A DRYLINE EXTENDING SOUTH TROUGH EASTERN OKLAHOMA AND
INTO EASTERN TEXAS. SEVERE STORMS...CAPABLE OF PRODUCING A FEW
TORNADOES...ARE EXPECTED THIS AFTERNOON JUST AHEAD OF THE DRYLINE AS
IT SWEEPS ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS THIS
AFTERNOON.

.SPOTTER ACTIVATION...
SPOTTERS SHOULD HAVE BEEN ACTIVATED FOR THIS AFTERNOON ACROSS MOST
OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.

.DISCUSSION...STRONG TO SEVERE STORMS HAVE BEEN ONGOING OVER PARTS
OF EASTERN OKLAHOMA EARLY THIS AFTERNOON.  AS THE UPPER SYSTEM MOVES
OUT INTO THE PLAINS THE SURFACE LOW PRESSURE SYSTEM WILL MOVE
EASTWARD ACROSS KANSAS...SWEEPING THE DRYLINE ACROSS THE REMAINDER
OF EASTERN OKLAHOMA AND ALL OF NORTHWEST ARKANSAS THIS AFTERNOON.
THE THREAT FOR STRONG DAMAGING WINDS...LARGE HAIL AND THE POTENTIAL
FOR TORNADOES WILL CONTINUE EAST OF MIAMI TO HUGO LINE THIS
AFTERNOON.    I

THREAT TABLE
VALID THROUGH 1200 UTC SUNDAY

THREAT AREA...FAR EASTERN OKLAHOMA AND ALL OF NORTHWEST ARKANSAS
THUNDERSTORM PROBABILITY...100
SEVERE WEATHER PROBABILITY IF STORMS OCCUR...100
SIGNIFICANT SEVERE WEATHER PROBABILITY IF STORMS OCCUR...60

THREAT AREAS DEFINE THE GREATEST RISK. PROBABILITIES ARE IN
PERCENT.  SIGNIFICANT SEVERE IS DEFINED AS F1 OR GREATER WIND/
TORNADO DAMAGE AND/OR GOLF BALL SIZE HAIL OR LARGER.

.OTHER HAZARDS...
 A FLASH FLOOD WATCH /OKCFFATUL/ REMAINS IN EFFECT FOR FOR EASTERN
OKLAHOMA AND NORTHWEST ARKANSAS THIS AFTERNOON AS HEAVY RAINS TODAY
WILL COMBINE WITH RAINFALL OVER THE PAST 24 HOURS

WIND GUSTS OF 25 TO 35 MPH CAN BE EXPECTED THIS AFTERNOON.
AS A RESULT...A WIND ADVISORY REMAINS IN EFFECT FOR THIS AFTERNOON.
WINDS WILL SUBSIDE OVERNIGHT AS THE SURFACE LOW PRESSURE CENTER
LIFTS NORTHEAST FROM THE AREA. SEE /OKCNPWTUL/ FOR FURTHER DETAILS.

RELATED GRAPHICAL INFORMATION CAN BE FOUND AT...
 WWW.SRH.NOAA.GOV/TULSA
Special weather statement, Feb 24, 12:40 PM CST, 29 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-251200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1240 PM CST SAT FEB 24 2001

..TORNADO WATCH NUMBER 30 AND 31 REMAIN IN EFFECT UNTIL 5PM FOR
NORTHWEST ARKANSAS AND MOST OF FAR EASTERN OKLAHOMA...

THE TORNADO WATCH HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES
IN EASTERN OKLAHOMA...
NOWATA...ROGERS...CRAIG...MAYES...WAGONER...OKMULGEE...MUSKOGEE
MCINTOSH AND PITTSBURG.

THE TORNADO WATCH REMAINS IN EFFECT UNTIL 5PM FOR THE FOLLOWING
COUNTIES IN EASTERN OKLAHOMA...

OTTAWA...DELAWARE...CHEROKEE...ADAIR...SEQUOYAH...HASKELL...LATIMER
PUSHMATAHA...CHOCTAW AND LE FORE COUNTIES

AND IN NORTHWEST ARKANSAS...

WASHINGTON... BENTON...CARROLL...MADISON...SEBASTIAN...CRAWFORD
AND FRANKLIN.

AT 1235 PM...RADAR INDICATED THE THREAT FOR SEVERE THUNDERSTORMS AND
TORNADOES HAD MOVED EAST OF A LINE FROM MIAMI TO HUGO. THE LINE
OF STRONG TO SEVERE THUNDERSTORMS WILL CONTINUE TO MOVE EAST DURING THE
AFTERNOON.

IF THREATENING WEATHER APPROACHES MOVE TO SAFE SHELTER. LISTEN FOR FURTHER
STATEMENTS AND WARNINGS FROM THE NATIONAL WEATHER SERVICE.

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 24, 1:13 PM CSTSevere Thunderstorm WarningTSACrawford, Sebastian47 min
Feb 24, 1:31 PM CSTSevere Thunderstorm WarningTSABenton44 min
Feb 24, 1:35 PM CSTFlash Flood WarningTSABenton, Washington115 min
Feb 24, 1:40 PM CSTSevere Thunderstorm WarningTSACarroll, Franklin, Madison65 min
Feb 24, 2:15 PM CSTFlash Flood WarningTSAFranklin, Madison2 hr

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.