Alert archive / Arkansas / Tornado Warnings in 1998

Tornado Warning 88, NWS Tulsa, OK

November 10, 1998Franklin County, Arkansas

NWS Tulsa, OK issued this tornado warning at Nov 10, 1998, 1:25 AM CST for Franklin County, Arkansas. It was in force for 20 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: Nov 10, 1998, 1:25 AM CST (07:25 UTC)
Expired: Nov 10, 1998, 1:45 AM CST
In force: 20 min
Issued by: NWS Tulsa, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Franklin County, AR

The radar

The Western Arkansas radar (KSRX), 92 km from the middle of the area, began a volume at 07:26 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

Time	Report	Where	Remark
Nov 10, 1:35 AM CST	Thunderstorm Wind 50	Clarksville, 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 watch it was issued in

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

Issued	Product	Office	Lasted
Nov 9, 11:00 PM CST	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 7.4 hours before the alert went out and 132 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: 16 J/kg
Mixed-layer CIN: -341 J/kg
Mixed-layer LCL: 524 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 505 m²/s²
0-3 km storm-relative helicity: 565 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.

987 
WFUS54 KTSA 100726 RRA
TORTUL
ARC047-100745-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
125 AM CST TUE NOV 10 1998

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR
     NORTHERN FRANKLIN COUNTY IN NORTHWEST ARKANSAS

* UNTIL 145 AM CST

* AT 125 AM CST...RADAR INDICATED A SEVERE THUNDERSTORM WITH 
  STRONG ROTATION OVER MOUNTAIN TOP...MOVING NORTHEAST AT 40 
  MILES PER HOUR...THIS DANGEROUS STORM COULD PRODUCE A TORNADO 
  AT ANY TIME.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...REDDING...
  TURNERS BEND...BARNES...MOUNTAIN TOP AND TAFT

VERY HEAVY RAIN MAY MAKE THIS TORNADO INVISIBLE - TAKE COVER NOW IF
YOU WAIT UNTIL YOU SEE OR HEAR IT COMING IT MAY BE TOO LATE TO GET TO
A SAFE PLACE.

NIGHTTIME TORNADOES ARE ESPECIALLY DANGEROUS - TAKE COVER NOW IF YOU
WAIT UNTIL YOU SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A
SAFE PLACE

LAT...LON 3566 9385 3551 9374 3582 9298 3602 9312

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 9, 11:39 PM CST	Severe Thunderstorm Warning	TSA	Benton, Washington	51 min
Nov 10, 12:15 AM CST	Tornado Warning	TSA	Sebastian	45 min
Nov 10, 12:15 AM CST	Tornado Warning	TSA	Crawford	45 min
Nov 10, 12:20 AM CST	Severe Thunderstorm Warning	TSA	Benton, Carroll, Madison	55 min
Nov 10, 12:20 AM CST	Severe Thunderstorm Warning	TSA	Washington	55 min
Nov 10, 12:22 AM CST	Tornado Warning	TSA	Washington	38 min
Nov 10, 12:50 AM CST	Tornado Warning	TSA	Crawford, Franklin, Sebastian	40 min
Nov 10, 1:11 AM CST	Severe Thunderstorm Warning	TSA	Carroll, Madison	34 min

Nearby

Tornado Warnings in Arkansas, 1998 Every tornado warning in 1998 Tornadoes 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.