Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 243, NWS Tulsa, OK

May 26, 1998Crawford County, Sebastian County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at May 26, 1998, 4:13 PM CDT for Crawford County, Sebastian County, Arkansas. It was in force for 47 min. 2 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
May 26, 1998, 4:13 PM CDT (21:13 UTC)
Expired
May 26, 1998, 5:00 PM CDT
In force
47 min
Issued by
NWS Tulsa, OK
Area
Whole counties

Counties Crawford County, AR, Sebastian County, AR

What was reported inside it

TimeReportWhereRemark
May 26, 4:20 PM CDTHail 1Ft Smith, ARQuarter-sized hail in Fort Smith near the state line bordering Moffett
May 26, 4:40 PM CDTHail 1Cedarville, AR

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 nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 9.2 hours before the alert went out and 172 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 1998-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 287 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 1998-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 square meters per square second.19395878Sfc1 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
287 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
786 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
92 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

426 
WUUS54 KTSA 262115 RRA
SVRTUL
ARC033-131-262200-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
413 PM CDT TUE MAY 26 1998

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...

  SOUTHERN CRAWFORD COUNTY IN NORTHWESTERN ARKANSAS
  SEBASTIAN COUNTY IN WEST CENTRAL ARKANSAS

* UNTIL 500 PM CDT

* AT AT 412 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  SEVERE THUNDERSTORM JUST SOUTHWEST OF FORT SMITH...MOVING NORTHEAST
  AT 20 MPH. ANOTHER INTENSIFING THUNDERSTORM WAS LOCATED NEAR
  HACKETT.

* SOME LOCATIONS AFFECTED INCLUDE...
  FORT SMITH
  VAN BUREN

  HAIL TO THE SIZE OF DIMES AND WIND GUSTS TO 60 MPH CAN BE EXPECTED
  IN THE WARNED AREA.



BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AS STORMS APPROACH.

WHEN THUNDERSTORMS APPROACH...TAKE COVER INSIDE A STURDY BUILDING.
STAY AWAY FROM WINDOWS. TO PROTECT YOURSELF FROM LIGHTNING STAY OFF
THE PHONE AND DONT USE HAND HELD ELECTRICAL APPLIANCES. MOTORISTS
SHOULD NEVER DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

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 May 26, 3:50 PM CDT, 23 minutes earlier.

Area forecast discussion, May 26, 3:50 PM CDT, 23 minutes before
FPUS3 KTUL 262052
AFDTUL

EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
350 PM CDT TUE MAY 26 1998

VORT MAX MVG ACRS ERN OK THIS AFTN HAS HELPED DVLP SOME SHRA/TSRA
ALNG TWO MAIN BNDRYS REMAINING ACRS FA. ATTM LOOKS LIKE MOST PRECIP
WL BE FM NR THE OK/AR BRDR EWD. HOWEVER WL KEEP SLGT CHC POPS FOR
THIS EVE AREAWIDE. XPCT PRECIP TO END W/LOSS OF HEATING AND EWD
TRANSLATION OF UPR FEATURE. W/PLENTY OF PRECIP DURG THE PAST 24-48
HRS ALNG W/CLRG SKIES AND LGT WNDS TNGT LOOKS LIKE THERE COULD BE
SOME FG ESPC IN LOW LYING AREAS AND WL INCLUDE MENTION IN VALLEYS OF
ERN ZNS.

OTRW RIDGING ALOFT WL RESULT IN WARMING MID LVL TEMPS WHICH SHLD
BRING ANOTHER PD OF QUIET WX. LOOKS LIKE NEXT CHC OF TSRA MAY BE ON
SUN BUT WL JUST GO W/SLGT CHC POPS ATTM.

TUL   64  87  67  90 /  10   0   0   0
FSM   64  88  65  91 /  20  10  10  10
MLC   65  89  68  92 /  10   0   0   0
BVO   62  86  65  90 /  10   0   0   0
FYV   61  85  63  88 /  20   0   0   0
IDB   66  90  65  91 /  20  10  10  10
BYV   60  85  62  89 /  20   0   0   0
MIO   62  85  64  89 /  10   0   0   0
MKO   63  86  65  90 /  10   0   0   0
F10   64  87  67  90 /  10   0   0   0
HHW   66  91  67  92 /  10   0   0   0

.TUL...
OK...NONE.
AR...NONE.

In the hours before

Local storm report, May 26, 10:45 AM CDT, 5 hours 28 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTION
NATIONAL WEATHER SERVICE TULSA OK
1045 AM CDT TUE MAY 26 1998

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

1125 PM    COPAN                     OK   60 MPH TSTM GUST
05/24/98   WASHINGTON
Local storm report, May 26, 11:21 AM CDT, 4 hours 52 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1121 AM CDT TUE MAY 26 1998

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

1150 Pe    SHIDLER                   OK   .75 INCH HAIL
05/24/98   OSAGE

0140 AM    TALALA                    OK   WIND DAMAGE
05/25/98   ROGERS                         LARGE LIMBS DOWN

0230 AM    DISNEY                    OK   .88 INCH HAIL
05/25/98   MAYES

0310 AM    COLCORD                   OK   1.75 INCH HAIL
05/25/98   DELAWARE

0520 AM    CASS                      AR   .75 INCH HAIL
05/25/98   FRANKLIN
Local storm report, May 26, 11:21 AM CDT, 4 hours 52 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1121 AM CDT TUE MAY 26 1998

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

1150 Pe    SHIDLER                   OK   .75 INCH HAIL
05/24/98   OSAGE

0140 AM    TALALA                    OK   WIND DAMAGE
05/25/98   ROGERS                         LARGE LIMBS DOWN

0230 AM    DISNEY                    OK   .88 INCH HAIL
05/25/98   MAYES

0310 AM    COLCORD                   OK   1.75 INCH HAIL
05/25/98   DELAWARE

0520 AM    CASS                      AR   .75 INCH HAIL
05/25/98   FRANKLIN
Special weather statement, May 26, 1:00 PM CDT, 3 hours 13 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-271200-

EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
100 PM CDT TUE MAY 26 1998

NO SEVERE THUNDERSTORMS ARE EXPECTED ACROSS EASTERN OKLAHOMA AND
NORTHWEST ARKANSAS THIS AFTERNOON OR TONIGHT.

THE AREA OF RAIN AND THUNDERSTORMS WHICH MOVED ACROSS EASTERN OKLAHOMA
AND NORTHWEST ARKANSAS THIS MORNING HAS MOVED EAST OF THE REGION AS OF
1PM THIS AFTERNOON.  THE UPPER-LEVEL STORM SYSTEM THAT WAS RESPONSIBLE
FOR THIS ACTIVITY WAS MOVING EASTWARD ACROSS NORTHEAST OKLAHOMA AT
MIDDAY. NUMEROUS OUTFLOW BOUNDARIES WERE PRESENT OVER THE AREA...BUT THE
MOST WELL-DEFINED BOUNDARY WAS LOCATED OVER FAR SOUTHEAST OKLAHOMA TO
THE SOUTH OF MCALESTER.

THE MOST LIKELY PLACE FOR THUNDERSTORM DEVELOPMENT THIS AFTERNOON AND
EVENING WILL BE ALONG THE RED RIVER IN EXTREME SOUTHEAST
OKLAHOMA...WHERE A MODERATE AMOUNT INSTABILITY EXISTS.  SCATTERED
THUNDERSTORMS ARE EXPECTED TO DEVELOP ALONG THIS BOUNDARY THIS AFTERNOON
PRIMARILY IN CHOCTAW AND PUSHMATAHA COUNTIES.  THE STRONGEST STORMS MAY
BE CAPABLE OF PRODUCING SOME SMALL HAIL AND GUSTY WINDS...BUT THEY
SHOULD REMAIN BELOW SEVERE LEVELS.

LARGE-SCALE SUBSIDENCE IN THE WAKE OF THE UPPER-LEVEL STORM SYSTEM WILL
PREVENT THE DEVELOPMENT OF THUNDERSTORMS OVER MOST OF THE REMAINDER OF
EASTERN OKLAHOMA THIS AFTERNOON.  HOWEVER WITH OUTFLOW BOUNDARIES IN THE
AREA...WIDELY SCATTERED SHOWERS AND THUNDERSTORMS MAY STILL DEVELOP THIS
AFTERNOON AND EARLY THIS EVENING AHEAD OF THE STORM SYSTEM OVER EXTREME
EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.  WEAK WIND FIELDS AND
DECREASING INSTABILITY WILL PREVENT ANY THUNDERSTORMS THAT DEVELOP FROM
BECOMING SEVERE.
Special weather statement, May 26, 1:00 PM CDT, 3 hours 13 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-271200-

EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
100 PM CDT TUE MAY 26 1998

NO SEVERE THUNDERSTORMS ARE EXPECTED ACROSS EASTERN OKLAHOMA AND
NORTHWEST ARKANSAS THIS AFTERNOON OR TONIGHT.

THE AREA OF RAIN AND THUNDERSTORMS WHICH MOVED ACROSS EASTERN OKLAHOMA
AND NORTHWEST ARKANSAS THIS MORNING HAS MOVED EAST OF THE REGION AS OF
1PM THIS AFTERNOON.  THE UPPER-LEVEL STORM SYSTEM THAT WAS RESPONSIBLE
FOR THIS ACTIVITY WAS MOVING EASTWARD ACROSS NORTHEAST OKLAHOMA AT
MIDDAY. NUMEROUS OUTFLOW BOUNDARIES WERE PRESENT OVER THE AREA...BUT THE
MOST WELL-DEFINED BOUNDARY WAS LOCATED OVER FAR SOUTHEAST OKLAHOMA TO
THE SOUTH OF MCALESTER.

THE MOST LIKELY PLACE FOR THUNDERSTORM DEVELOPMENT THIS AFTERNOON AND
EVENING WILL BE ALONG THE RED RIVER IN EXTREME SOUTHEAST
OKLAHOMA...WHERE A MODERATE AMOUNT INSTABILITY EXISTS.  SCATTERED
THUNDERSTORMS ARE EXPECTED TO DEVELOP ALONG THIS BOUNDARY THIS AFTERNOON
PRIMARILY IN CHOCTAW AND PUSHMATAHA COUNTIES.  THE STRONGEST STORMS MAY
BE CAPABLE OF PRODUCING SOME SMALL HAIL AND GUSTY WINDS...BUT THEY
SHOULD REMAIN BELOW SEVERE LEVELS.

LARGE-SCALE SUBSIDENCE IN THE WAKE OF THE UPPER-LEVEL STORM SYSTEM WILL
PREVENT THE DEVELOPMENT OF THUNDERSTORMS OVER MOST OF THE REMAINDER OF
EASTERN OKLAHOMA THIS AFTERNOON.  HOWEVER WITH OUTFLOW BOUNDARIES IN THE
AREA...WIDELY SCATTERED SHOWERS AND THUNDERSTORMS MAY STILL DEVELOP THIS
AFTERNOON AND EARLY THIS EVENING AHEAD OF THE STORM SYSTEM OVER EXTREME
EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.  WEAK WIND FIELDS AND
DECREASING INSTABILITY WILL PREVENT ANY THUNDERSTORMS THAT DEVELOP FROM
BECOMING SEVERE.

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 4:59 PM CDTSevere Thunderstorm WarningTSACrawford31 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1998Every severe thunderstorm warning in 1998

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.