Alert archive / Arkansas / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 35, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Apr 11, 1992, 8:47 PM CDT for Benton County, Arkansas. It was in force for 58 min.
The area
The counties it named.
The facts
- Issued
- Apr 11, 1992, 8:47 PM CDT (01:47 UTC)
- Expired
- Apr 11, 1992, 9:45 PM CDT
- In force
- 58 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Benton County, AR
The nearest sounding before it
Springfield, MO (KUMN), launched 00:00Z, 1.8 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.
- Mixed-layer CAPE
- 650 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 1775 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFSM 120149 SVRFSM ARC007-120245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE FORT SMITH AR 847 PM CDT SAT APR 11 1992 THE NATIONAL WEATHER SERVICE IN FORT SMITH HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 945 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHWEST ARKANSAS ...SOUTHWESTERN BENTON COUNTY AT 845 PM WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM NEAR SILOAM SPRINGS. THE THUNDERSTORM IS PRODUCING HAIL AND IS MOVING SOUTH SOUTHEAST AT 10 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, Apr 11, 4:55 PM CDT, 3 hours 52 minutes before
OKZ026>029-112300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 455 PM CDT SAT APR 11 1992 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 10 PM FOR MUCH OF NORTHEAST OKLAHOMA... AT 450 PM NATIONAL WEATHER SERVICE RADAR AT TULSA SHOWED A VERY STRONG THUNDERSTORM DEVELOPING RAPIDLY IN NORTHERN OSAGE COUNTY OVER THE HULAH RESERVOIR. THIS THUNDERSTORM WAS SHOWING VERY LITTLE MOVEMENT AT THE PRESENT TIME. SMALL HAIL AND GUSTY WINDS ARE POSSIBLE WITH THIS STORM ALONG WITH VERY HEAVY RAINFALL. OTHER STRONG TO SEVERE THUNDERSTORMS WERE OVER SOUTHEAST KANSAS. THE INDIVIDUAL THUNDERSTORMS WERE SHOWING LITTLE MOVEMENT BUT AS EACH INDIVIDUAL STORM BEGINS TO WEAKEN...NEW STORMS DEVELOP FURTHER SOUTH SO THE NET MOVEMENT OF THE KANSAS THUNDERSTORMS WERE TO THE SOUTH AT AROUND 25 MILES AN HOUR. THESE THUNDERSTORMS SHOULD DEVELOP SOUTH INTO NORTHEAST OKLAHOMA BEFORE 6 PM THIS EVENING. ALL PERSONS IN NORTHEAST OKLAHOMA SHOULD KEEP ABREAST OF THE LATEST WEATHER DEVELOPMENTS THIS EVENING AND BE PREPARED TO SEEK SAFE INDOOR SHELTER IF THREATENING WEATHER APPROACHES. STAY TUNED TO THIS STATION FOR THE LATEST WEATHER INFORMATION FROM THE NATIONAL WEATHER SERVICE.
Nearby
Severe Thunderstorm Warnings in Arkansas, 1992Every severe thunderstorm warning in 1992
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.