Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 236, NWS Tulsa, OK

May 25, 1998Carroll County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at May 25, 1998, 3:39 AM CDT for Carroll County, Arkansas. It was in force for 36 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
May 25, 1998, 3:39 AM CDT (08:39 UTC)
Expired
May 25, 1998, 4:15 AM CDT
In force
36 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Carroll County, AR

The radar

The Springfield radar (KSGF), 100 km from the middle of the area, began a volume at 08:38 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
May 25, 3:40 AM CDTThunderstorm Wind 52Eureka Spgs, ARTree limbs were blown down onto power lines

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
May 25, 12:30 AM CDTTornado WatchSPC6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 8.7 hours before the alert went out and 66 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 00:00Z on 1998-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 895 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 00:00Z on 1998-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 117 square meters per square second.193958Sfc1 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
895 J/kg
Mixed-layer CIN
-85 J/kg
Mixed-layer LCL
1916 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
117 m²/s²
0-3 km storm-relative helicity
247 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.7

Open this sounding in Storm Lab

The text

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

235 
WUUS54 KTSA 250841 RRA
SVRTUL
ARC015-250915-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
339 AM CDT MON MAY 25 1998

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...

  CARROLL COUNTY IN NORTHWESTERN ARKANSAS

* UNTIL 415 AM CDT

* AT 338 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  SEVERE THUNDERSTORM 6 MILES SOUTHWEST OF BERRYVILLE...MOVING EAST
  AT 30 MPH.

* SOME LOCATIONS AFFECTED INCLUDE...
  BERRYVILLE
  GREEN FOREST
  RULE
  METALTON

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

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

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 24, 11:11 PM CDT, 4 hours 28 minutes earlier.

Area forecast discussion, May 24, 11:11 PM CDT, 4 hours 28 minutes before
FPUS3 KTUL 250415
AFDTUL

EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
1111 PM CDT SUN MAY 24 1998

UPDATED ZNS TO ISSUE FLASH FLOOD WATCH FOR NE OK OVERNIGHT.
SLOW MVNG TSRA EXPECTED TO CONT TO TRAIN OVER SAME AREAS N
OF SFC FNT. ZNS ALREADY ISSUED. FFA OUT SOON.
FCSTID = 13

.TUL...
OK...FLASH FLOOD WATCH FOR TONIGHT FOR ZONES OKZ054>063...OKZ067>069.

AR...NONE.

In the hours before

Local storm report, May 24, 11:21 PM CDT, 4 hours 18 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
1120 PM CST SUN MAY 24 1998

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

1106 PM    5 NW PAWHUSKA     B        OK   70 MPH WIND GUST
05/24/98   OSAGE
Local storm report, May 24, 11:31 PM CDT, 4 hours 8 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
1130 PM CST SUN MAY 24 1998

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

1125 PM    COPAN             l        OK   60 MPH WIND GUST
05/24/98   OSAGE
Local storm report, May 25, 12:20 AM CDT, 3 hours 19 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
1120 PM CST SUN MAY 24 1998

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

1106 PM    5 NW PAWHUSKA             OK   70 MPH WIND GUST
05/24/98   OSAGE
Local storm report, May 25, 12:27 AM CDT, 3 hours 12 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
1220 AM CST MON MAY 25 1998

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

1210 AM    NOWATA                    OK   60 MPH WIND GUST
05/25/98   NOWATA
Local storm report, May 25, 12:30 AM CDT, 3 hours 9 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
1130 PM CST SUN MAY 24 1998

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

1125 PM    COPAN                     OK   60 MPH WIND GUST
05/24/98   OSAGE
Local storm report, May 25, 1:20 AM CDT, 2 hours 19 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
1220 AM CST MON MAY 25 1998

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

1210 AM    NOWATA                    OK   60 MPH WIND GUST
05/25/98   NOWATA

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 2:38 AM CDTSevere Thunderstorm WarningTSABenton37 min
May 25, 3:07 AM CDTSevere Thunderstorm WarningTSACarroll, Madison38 min
May 25, 3:15 AM CDTTornado WarningTSAMadison45 min
May 25, 3:47 AM CDTSevere Thunderstorm WarningTSAWashington58 min
May 25, 5:16 AM CDTSevere Thunderstorm WarningTSAFranklin44 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; radar from the NEXRAD Level II archive.