Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 119, NWS Tulsa, OK

April 16, 1998Franklin County, Madison County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 16, 1998, 3:59 AM CDT for Franklin County, Madison County, Arkansas. It was in force for 61 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
Apr 16, 1998, 3:59 AM CDT (08:59 UTC)
Expired
Apr 16, 1998, 5:00 AM CDT
In force
61 min
Issued by
NWS Tulsa, OK
Area
Whole counties

Counties Franklin County, AR, Madison County, AR

What was reported inside it

TimeReportWhereRemark
Apr 16, 4:20 AM CDTHail 0.75Pettigrew, 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 00:00Z, 9.0 hours before the alert went out and 127 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 1998-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 576 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 1998-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 138 square meters per square second.1939587897117Sfc1 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
576 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
731 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
138 m²/s²
0-3 km storm-relative helicity
226 m²/s²
Significant tornado parameter
0.7
Supercell composite
4.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTUL 160901
SVRTUL
ARC047-087-161000-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
359 AM CDT THU APR 16 1998

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN FRANKLIN COUNTY IN NORTHWESTERN ARKANSAS
  MADISON COUNTY IN NORTHWESTERN ARKANSAS

* UNTIL 500 AM CDT

* AT 356 AM...STORM SPOTTERS REPORTED AND DOPPLER RADAR DETECTED A
  CLUSTER OF SEVERE THUNDERSTORMS BETWEEN HUNTSVILLE AND WINSLOW...
  MOVING EAST AT 50 MPH.  QUARTER SIZE HAIL WAS REPORTED IN
  HUNTSVILLE AT 355 AM.

* SOME LOCATIONS AFFECTED INCLUDE...
  HUNTSVILLE
  BOSTON
  CASS

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

REMAIN ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AS STORMS
APPROACH.



&

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 Apr 15, 10:49 PM CDT, 5 hours 10 minutes earlier.

Area forecast discussion, Apr 15, 10:49 PM CDT, 5 hours 10 minutes before
FPUS3 KTUL 160351
AFDTUL

EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
1049 PM CDT WED APR 15 1998

HAVE ALREADY SENT UPDATED ZONES AND RDF TO MAKE 1ST PD ADJUSTMENTS
TO ZONES BASED ON CURRENT TRENDS.  STG TSRA HAVE SHIFTED INTO CNTRL
AND SRN ARK AND EXTRM SE OKLA...SO HAVE TRIMMED TOR WATCH DOWN
ACCORDINGLY.

COLD FRONT WAS STILL MOVG VERY SLOWLY S THIS EVE...AND EXTDD FROM
VCNTY KFSM TO KMLC AT 03Z. BEST CHCS FOR TSRA REST OF NITE WILL
BE IN AREAS NEAR THE FRONT...BUT ANOTHER SHORTWAVE APCHG FROM THE
WEST WILL KEEP THE THREAT OF PCPN IN THE FCST THRU THE NITE.
HAVE ALREADY SEEN SOME ECHOES MOVING IN NORTH CNTRL OKLA THIS EVE.

1ST PD ADJUSTMENTS WERE MADE TO TEMPS...WINDS AND SKY CONDITION.
SKIES HAD BECOME MO CLEAR ACRS PARTS OF THE AREA IN THE WAKE OF
THE COLD FRONT AND TSRA...BUT LO CLDS IN KS AND MID CLOUDS FROM
SHORTWV SHUD MOVE IN AND MAKE SKIES MO CLDY LATER TONITE.

FCSTID = 9

.TUL...
OK...TORNADO WATCH 217 UNTIL MIDNIGHT FOR ZONES OKZ049...OKZ076.

AR...NONE.

In the hours before

Special weather statement, Apr 15, 10:25 PM CDT, 5 hours 34 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1025 PM CDT WED APR 15 1998

ARZ002-011-020-029-160422-

THE TORNADO WATCH IS NO LONGER IN EFFECT FOR THE FOLLOWING COUNTIES
IN

NORTHWESTERN ARKANSAS...
         CARROLL             FRANKLIN            MADISON
         SEBASTIAN

THE THREAT OF SEVERE WEATHER HAS SHIFTED TO THE EAST OF THESE
COUNTIES.

OKZ049-076-160500-

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR THE
FOLLOWING COUNTIES IN

EASTERN OKLAHOMA...
         LE FLORE            PUSHMATAHA

STRONG TO SEVERE THUNDERSTORMS REMAIN POSSIBLE ACROSS THE SOUTHERN
PARTS OF LE FLORE AND PUSHMATAHA COUNTIES UNTIL MIDNIGHT.
Special weather statement, Apr 15, 10:25 PM CDT, 5 hours 34 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1025 PM CDT WED APR 15 1998

ARZ002-011-020-029-160422-

THE TORNADO WATCH IS NO LONGER IN EFFECT FOR THE FOLLOWING COUNTIES
IN

NORTHWESTERN ARKANSAS...
         CARROLL             FRANKLIN            MADISON
         SEBASTIAN

THE THREAT OF SEVERE WEATHER HAS SHIFTED TO THE EAST OF THESE
COUNTIES.

OKZ049-076-160500-

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR THE
FOLLOWING COUNTIES IN

EASTERN OKLAHOMA...
         LE FLORE            PUSHMATAHA

STRONG TO SEVERE THUNDERSTORMS REMAIN POSSIBLE ACROSS THE SOUTHERN
PARTS OF LE FLORE AND PUSHMATAHA COUNTIES UNTIL MIDNIGHT.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 15, 7:04 PM CDTSevere Thunderstorm WarningTSASebastian56 min
Apr 15, 7:10 PM CDTSevere Thunderstorm WarningTSAFranklin65 min
Apr 15, 8:40 PM CDTSevere Thunderstorm WarningTSASebastian50 min
Apr 16, 3:27 AM CDTSevere Thunderstorm WarningTSACrawford, Washington63 min
Apr 16, 4:30 AM CDTSevere Thunderstorm WarningTSACrawford, Franklin45 min
Apr 16, 5:53 AM CDTSevere Thunderstorm WarningTSASebastian37 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.