Alert archive / Arkansas / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 217, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Sep 18, 1990, 9:02 PM CDT for Benton County, Arkansas. It was in force for 58 min.
The area
The counties it named.
The facts
- Issued
- Sep 18, 1990, 9:02 PM CDT (02:02 UTC)
- Expired
- Sep 18, 1990, 10:00 PM CDT
- In force
- 58 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 00:00Z, 2.0 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
- 1604 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 933 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 165 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 3.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFSM 190202 SVRFSM ARC007-190300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE FORT SMITH AR 902 PM CDT TUE SEP 18 1990 THE NATIONAL WEATHER SERVICE IN FORT SMITH HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1000 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHWEST ARKANSAS ...BENTON COUNTY RADAR AT 900 PM CDT WAS SHOWING A SEVERE THUNDERSTORM ABOUT 10 WEST OF BENTONVILLE. MOVEMENT WAS EAST AT 25 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. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINE SS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
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, Sep 18, 5:00 PM CDT, 4 hours 2 minutes before
OKZ007-008-012-017-019-182300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 500 PM CDT TUE SEP 18 1990 ...STRONG THUNDERSTORMS CONTINUE IN NORTHEASTERN OKLAHOMA... AT 450 PM RADAR INDICATED A CLUSTER OF VERY STRONG THUNDERSTORMS IN EASTERN NOWATA AND NORTHERN CRAIG COUNTIES. OTHER STRONG THUNDERSTORMS WERE NOTED IN NORTHEASTERN PAYNE COUNTY MOVING INTO SOUTHWESTERN PAWNEE COUNTY. THESE STORMS WERE MOVING TOWARD THE EAST-NORTHEAST AT ABOUT 25 MILES AN HOUR AND WILL AFFECT NORTHERN CRAIG...NORTHERN OTTAWA...AND PAWNEE COUNTIES DURING THE NEXT HOUR. ANOTHER THUNDERSTORM WITH VERY HEAVY RAIN WAS INDICATED IN NORTHERN SEMINOLE COUNTY MOVING NORTHEAST INTO OKFUSKEE COUNTY. ALTHOUGH THESE STORMS ARE BELOW SEVERE LEVELS...PEOPLE NEAR THE STORMS CAN EXPECT TORRENTIAL RAINFALL AND FREQUENT LIGHTNING. BE PREPARED TO TAKE SHELTER IF THREATENING WEATHER APPROACHES YOU OR A WARNING IS ISSUED FOR YOUR AREA. A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT FOR A LAGE PART OF NORTHEASTERN OKLAHOMA UNTIL 9 PM THIS EVENING. STAY TUNED TO NOAA WEATHER RADIO...OR COMMERCIAL RADIO OR TELEVISION FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Sep 18, 6:08 PM CDT, 2 hours 54 minutes before
OKC037-113-131-143-145-190015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 609 PM CDT TUE SEP 18 1990 ...STRONG THUNDERSTORMS MOVING TOWARD THE TULSA METROPOLITAN AREA... AT 600 PM RADAR INDICATED A CLUSTER OF STRONG THUNDERSTORMS EXTENDING FROM EXTREME SOUTHEASTERN OSAGE COUNTY JUST NORTH OF SAND SPRINGS TO NORTHERN CREEK COUNTY NEAR DRUMRIGHT. THESE STORMS ARE MOVING TOWARD THE EAST AT ABUT 25 MILES AN HOUR. THESE STORMS ARE BELOW SEVERE LIMITS...HOWEVER WINDS GUSTS TO AROUND 50 MPH AND SMALL HAIL ARE POSSIBLE AS THEY PASS INTO THE TULSA AREA. PEOPLE IN TULSA...NORTHERN CREEK...AND WESTERN ROGERS COUNTIES SHOULD BE ON THE ALERT FOR THREATENING WEATHER CONDITIONS. TORRENTIAL RAINFA AND FREQUENT LIGHTNING ARE LIKELY WITH THESE STORMS...SO MOTORISTS SHO KEEP ALERT AND WATCH FOR MINOR FLOODING OF STREETS AND OTHER FLOOD PRONE AREAS. BE PREPARED TO SEEK SHELTER IF THREATENING WEATHER APPROACHES OR A WARNING IS ISSUED. A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT FOR A LARGE PART OF NORTHEASTERN OKLAHOMA UNTIL 9 PM THIS EVENING.
Local storm report, Sep 18, 7:53 PM CDT, 1 hour 9 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
750 PM CDT TUE SEP 18 1990
TIME/CDT COUNTY EVENT
640 PM CRAIG 60 MPH WIND 9 MILES SOUTHWEST OF VINITA
(DELAYED REJPORT)
720 PM CRAIG 60 MPH WIND 7 MILES WEST OF BERNICE IN EASTERN
CRAIG COUNTY (DELAYED REPORT)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.