Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 247, NWS Tulsa, OK

May 29, 1998Franklin County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at May 29, 1998, 11:45 AM CDT for Franklin County, Arkansas. It was in force for 30 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 29, 1998, 11:45 AM CDT (16:45 UTC)
Expired
May 29, 1998, 12:15 PM CDT
In force
30 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Franklin County, AR

What was reported inside it

TimeReportWhereRemark
May 29, 11:45 AM CDTThunderstorm WindCharleston, ARSeveral trees blown 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 nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 4.8 hours before the alert went out and 155 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 1998-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 21 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 1998-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 96 square meters per square second.1939Sfc1 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
21 J/kg
Mixed-layer CIN
-609 J/kg
Mixed-layer LCL
871 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
96 m²/s²
0-3 km storm-relative helicity
125 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 
TTAA00 KTUL 291645 RRA
SVRTUL
ARC047-291715-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1145 AM CDT FRI MAY 29 1998

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...

  SOUTHERN FRANKLIN COUNTY IN NORTHWESTERN ARKANSAS

* UNTIL 1215 PM CDT

* AT 1144 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  CLUSTER OF SEVERE THUNDERSTORMS NEAR CHARLESTON...MOVING SOUTHEAST
  AT 25 MPH.


  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 DON'T 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 29, 10:58 AM CDT, 47 minutes earlier.

Area forecast discussion, May 29, 10:58 AM CDT, 47 minutes before
FPUS3 KTUL 291600
AFDTUL

EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
1058 AM CDT FRI MAY 29 1998

BUSY WITH SVR WX ATTM.  UPDATE TO ZONES WL BE DLAD UNTIL 17Z.

11/09

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

In the hours before

Special weather statement, May 29, 6:00 AM CDT, 5 hours 45 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-301200-

EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
600 AM CDT FRI MAY 29 1998

NO THUNDERSTORMS ARE EXPECTED ACROSS EASTERN OKLAHOMA AND NORTHWEST
ARKANSAS THROUGH TONIGHT.

THUNDERSTORMS IN KANSAS AND MISSOURI WILL REMAIN NORTHEAST OF THE AREA
EARLY THIS MORNING...BUT THEY WILL PUSH AN OUTFLOW BOUNDARY SOUTHWARD
INTO FAR NORTHEAST OKLAHOMA AND POSSIBLY INTO THE NORTHWEST CORNER OF
ARKANSAS. WITH HIGH PRESSURE ALOFT BUILDING INTO THE REGION...THE
BOUNDARY SHOULD QUICKLY WASH OUT BY MIDDAY AND IS NOT EXPECTED TO BE IN
THE AREA BY MAXIMUM HEATING THIS AFTERNOON. THE CAP OF WARM MID LEVEL
AIR WILL ALSO INCREASE BY AFTERNOON AND SHOULD PREVENT THUNDERSTORM
DEVELOP OVER EASTERN OKLAHOMA AND NORTHWEST ARKANSAS THIS AFTERNOON.

THUNDERSTORMS MAY REDEVELOP IN NORTHERN KANSAS LATE THIS AFTERNOON NEAR
A STATIONARY FRONT...WITH A COMPLEX OF STORMS POSSIBLY AGAIN ORGANIZING
AND MOVING SOUTHEAST INTO EASTERN KANSAS AND MISSOURI OVERNIGHT. AT THIS
TIME THESE STORMS ARE EXPECTED TO REMAIN NORTH OF EASTERN OKLAHOMA AND
NORTHWEST ARKANSAS.

AN UPDATED OUTLOOK WILL BE ISSUED AROUND 1PM.
Special weather statement, May 29, 7:22 AM CDT, 4 hours 23 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-301200-

EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE TULSA OK
722 AM CDT FRI MAY 29 1998

NO SEVERE THUNDERSTORMS ARE EXPECTED ACROSS EASTERN OKLAHOMA AND
NORTHWEST ARKANSAS THROUGH TONIGHT.

SCATTERED SHOWERS AND THUNDERSTORMS...LEFT OVER FROM A THUNDERSTORM
COMPLEX IN KANSAS AND MISSOURI...WILL MOVE SOUTHEAST AND MAY AFFECT
PARTS OF FAR NORTHEAST OKLAHOMA AND NORTHWEST ARKANSAS THIS MORNING.
THESE ARE EXPECTED TO CONTINUE TO SLOWLY DIMINISH AS THEY MOVE INTO
AREAS NORTHEAST OF A LINE FROM VINITA TO FAYETTEVILLE BUT MAY
PRODUCE A PERIOD OF MODERATE RAINFALL ALONG WITH DANGEROUS LIGHTNING.

THE COMPLEX OF STORMS IN KANSAS AND MISSOURI WILL PUSH AN OUTFLOW
BOUNDARY SOUTHWARD INTO FAR NORTHEAST OKLAHOMA AND POSSIBLY INTO THE
NORTHWEST CORNER OF ARKANSAS. WITH HIGH PRESSURE ALOFT BUILDING INTO
THE REGION...THE BOUNDARY SHOULD QUICKLY WASH OUT BY MIDDAY AND IS
NOT EXPECTED TO BE IN THE AREA BY MAXIMUM HEATING THIS AFTERNOON.
THE CAP OF WARM MID LEVEL AIR WILL ALSO INCREASE BY AFTERNOON AND
SHOULD PREVENT THUNDERSTORM DEVELOP OVER EASTERN OKLAHOMA AND
NORTHWEST ARKANSAS THIS AFTERNOON.

THUNDERSTORMS MAY REDEVELOP IN NORTHERN KANSAS LATE THIS AFTERNOON NEAR
A STATIONARY FRONT...WITH A COMPLEX OF STORMS POSSIBLY AGAIN ORGANIZING
AND MOVING SOUTHEAST INTO EASTERN KANSAS AND MISSOURI OVERNIGHT. AT THIS
TIME THESE STORMS ARE EXPECTED TO REMAIN NORTH OF EASTERN OKLAHOMA AND
NORTHWEST ARKANSAS.

AN UPDATED OUTLOOK WILL BE ISSUED AROUND 1PM.

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 10:25 AM CDTSevere Thunderstorm WarningTSACrawford, Madison, Washington65 min
May 29, 10:57 AM CDTSevere Thunderstorm WarningTSAFranklin48 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.