Alert archive / Arkansas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 177, NWS Tulsa, OK

June 9, 1990Benton County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Jun 9, 1990, 10:27 AM CDT for Benton County, Arkansas. It was in force for 32 min.

The area

The counties it named.

The facts

Issued
Jun 9, 1990, 10:27 AM CDT (15:27 UTC)
Expired
Jun 9, 1990, 10:59 AM CDT
In force
32 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Benton County, AR

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Springfield, MO (KUMN), launched 12:00Z, 3.5 hours before the alert went out and 74 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 1990-06-09Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 1990-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 square meters per square second.193958Sfc1 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
1790 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
71 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 KFSM 091528
SVRFSM
ARC007-091615-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT SMITH AR
1027 AM CDT SAT JUN 9 1990
 
THE NATIONAL WEATHER SERVICE IN FORT SMITH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1115 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST ARKANSAS
 
   ...BENTON COUNTY
 
RADAR AT 1025 AM WAS SHOWING A SEVERE THUNDERSTORM IN CENTRAL
BENTON COUNTY... MOVEMENT WAS SOUTHEAST AT 20 MPH.
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

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.

In the hours before

Special weather statement, Jun 9, 6:22 AM CDT, 4 hours 5 minutes before
OKC131-143-147-091230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
621 AM CDT SAT JUN 9 1990

AT 6 10 AM THE TULSA WEATHER RADAR INDICATED STRONG THUNDERSTORMS
DEVELOPING OVER PORTIONS OF NORTHEAST OKLAHOMA. THE STRONGEST OF THESE
STORMS WAS ABOUT 20 MILES NORTH OF TULSA...BETWEEN VERA AND OOLOGAH.
THESE STORMS ARE CAPABLE OF PRODUCING SMALL HAIL...WIND GUSTS TO 50
MPH AND DANGEROUS LIGHTNING. THIS STORM IS MOVING TO THE SOUTHEAST AT
20 MPH...AND WILL LIKELY PASS NEAR COLLINSVILLE AND CLAREMORE WITHIN
THE NEXT HALF HOUR. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT TO
THE POSSIBLITY OF BRIEF HEAVY RAINS...SMALL HAIL AND GUSTY WINDS UNTIL
THE STORMS HAVE PASSED THROUGH ROGERqS COUNTY.

Nearby

Severe Thunderstorm Warnings in Arkansas, 1990Every severe thunderstorm warning in 1990

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.