Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 55, NWS Tulsa, OK

March 30, 1998Franklin County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Mar 30, 1998, 9:02 PM CST for Franklin County, Arkansas. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Mar 30, 1998, 9:02 PM CST (03:02 UTC)
Expired: Mar 30, 1998, 9:45 PM CST
In force: 43 min
Issued by: NWS Tulsa, OK
Area: Whole counties

County Franklin County, AR

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 30, 7:00 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 3.0 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 368 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 1388 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 247 m²/s²
0-3 km storm-relative helicity: 389 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 5.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTUL 310302 RRA
SVRTUL
ARC047-310345-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
902 PM CST MON MAR 30 1998

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 945 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHWESTERN ARKANSAS

   ...FRANKLIN COUNTY

AT 857 PM...DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS
FROM 3 MILES NORTHEAST OF MOUNTAINBURG TO ALMA TO GREENWOOD...MOVING
NORTHEAST AT 45 MPH.

CASS IS IN THE PATH OF THIS STORM.

HAIL TO THE SIZE OF DIMES AND WIND GUSTS TO 65 MPH CAN BE
EXPECTED IN THE WARNED AREA.

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER...
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT 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 Mar 30, 8:50 PM CST, 12 minutes earlier.

Area forecast discussion, Mar 30, 8:50 PM CST, 12 minutes before

EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
850 PM CST MON MAR 30 1998

LINE OF STRONG TO SEVERE THUNDERSTORMS STILL MOVING ACROSS FAR
EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.  HAVE UPDATED AGAIN TO
REFLECT RADAR TRENDS AND TO CLEAR COUNTIES WEST OF THE LINE FROM
THE WATCH.

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

ABBAS

In the hours before

Local storm report, Mar 30, 6:48 PM CST, 2 hours 14 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
648 PM CST MON MAR 30 1998

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

0412 PM    PAWHUSKA                  OK   1.00 INCH HAIL
03/30/98   OSAGE

0614 PM    CANADIAN                  OK   0.75 INCH HAIL
03/30/98   PITTSBURG

0624 PM    EUFAULA                   OK   60 MPH TSTM GUST
03/30/98   MCINTOSH

0615 PM    4 WNW EUFAULA             OK   62 MPH TSTM GUST
03/30/98   MCINTOSH                       MEASURED BY OKLAHOMA
                                          MESONET

Local storm report, Mar 30, 6:48 PM CST, 2 hours 14 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
648 PM CST MON MAR 30 1998

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

0412 PM    PAWHUSKA                  OK   1.00 INCH HAIL
03/30/98   OSAGE

0614 PM    CANADIAN                  OK   0.75 INCH HAIL
03/30/98   PITTSBURG

0624 PM    EUFAULA                   OK   60 MPH TSTM GUST
03/30/98   MCINTOSH

0615 PM    4 WNW EUFAULA             OK   62 MPH TSTM GUST
03/30/98   MCINTOSH                       MEASURED BY OKLAHOMA
                                          MESONET

Local storm report, Mar 30, 7:51 PM CST, 1 hour 11 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
751 PM CST MON MAR 30 1998

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

0740 PM    PROCTOR                   OK   60 MPH TSTM GUST
03/30/98   ADAIR

Special weather statement, Mar 30, 8:30 PM CST, 32 minutes before

OKZ058-063-068-070-071-073>075-310400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
830 PM CST MON MAR 30 1998

THE TORNADO WATCH HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES
IN EASTERN OKLAHOMA...

OTTAWA...DELAWARE...CHEROKEE...MUSKOGEE...MCINTOSH...PITTSBURG...
LATIMER AND HASKELL.

THE THREAT OF SEVERE WEATHER HAS MOVED EAST OF THESE COUNTIES.

Special weather statement, Mar 30, 8:30 PM CST, 32 minutes before

OKZ058-063-068-070-071-073>075-310400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
830 PM CST MON MAR 30 1998

THE TORNADO WATCH HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES
IN EASTERN OKLAHOMA...

OTTAWA...DELAWARE...CHEROKEE...MUSKOGEE...MCINTOSH...PITTSBURG...
LATIMER AND HASKELL.

THE THREAT OF SEVERE WEATHER HAS MOVED EAST OF THESE COUNTIES.

Local storm report, Mar 30, 8:39 PM CST, 23 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
839 PM CST MON MAR 30 1998

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

0825 PM    LAKE WISTER               OK   0.88 INCH HAIL
03/30/98   LE FLORE

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 30, 7:38 PM CST	Severe Thunderstorm Warning	TSA	Crawford, Washington	52 min
Mar 30, 7:38 PM CST	Severe Thunderstorm Warning	TSA	Benton	52 min
Mar 30, 8:21 PM CST	Severe Thunderstorm Warning	TSA	Crawford, Washington	24 min
Mar 30, 8:27 PM CST	Severe Thunderstorm Warning	TSA	Sebastian	48 min
Mar 30, 8:35 PM CST	Severe Thunderstorm Warning	TSA	Benton	25 min
Mar 30, 8:46 PM CST	Severe Thunderstorm Warning	TSA	Carroll, Crawford, Madison, Washington	44 min
Mar 30, 9:17 PM CST	Severe Thunderstorm Warning	TSA	Sebastian	28 min
Mar 30, 9:26 PM CST	Severe Thunderstorm Warning	TSA	Madison	34 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1998 Every 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; the sounding from the Mesonet's radiosonde archive.