Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 21, NWS Tulsa, OK

March 5, 1998Carroll County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Mar 5, 1998, 1:34 PM CST for Carroll County, Arkansas. It was in force for 46 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
Mar 5, 1998, 1:34 PM CST (19:34 UTC)
Expired
Mar 5, 1998, 2:20 PM CST
In force
46 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 19:36 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
Mar 5, 1:35 PM CSTHail 0.75Eureka Spgs, 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 12:00Z, 7.6 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 12:00Z on 1998-03-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 1998-03-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
586 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
139 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 051934 RRA
SVRTUL
ARC015-052020-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
134 PM CST THU MAR 5 1998

THE NATIONAL WEATHER SERVICE IN TULSA OK HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 220 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHWESTERN ARKANSAS

   ...CARROLL COUNTY

AT 132 PM...A SEVERE THUNDERSTORM WAS LOCATED 5 MILES SOUTHWEST OF
METALTON.  ANOTHER INTENSIFYING THUNDERSTORM WAS LOCATED 4 MILES
WEST OF BERRYVILLE.  THE STORMS ARE MOVING NORTHEAST AT 30 MPH.
BERRYVILLE...METALTON...RUDD AND OSAGE ARE IN THE PATHS OF THESE
STORMS.

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

DURING THE STORM MOVE INDOORS AND STAY AWAY FROM WINDOWS. TO PROTECT
YOURSELF FROM LIGHTNING DO NOT USE THE TELEPHONE OR HAND HELD
ELECTRICAL APPLIANCES...UNLESS IN AN EMERGENCY. MOTORISTS SHOULD BE
ALERT FOR WATER ON ROADWAYS AND NEVER DVRIVE ONTO A FLOODED ROAD.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 5, 12:26 PM CSTSevere Thunderstorm WarningTSAWashington49 min
Mar 5, 12:54 PM CSTSevere Thunderstorm WarningTSAMadison46 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.