Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 1, NWS Tulsa, OK

January 16, 1990Creek County, Osage County, Tulsa County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jan 16, 1990, 11:50 PM CST for Creek County, Osage County, Tulsa County, Oklahoma. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
Jan 16, 1990, 11:50 PM CST (05:50 UTC)
Expired
Jan 17, 1990, 12:45 AM CST
In force
55 min
Issued by
NWS Tulsa, OK
Area
Whole counties

Counties Creek County, OK, Osage County, OK, Tulsa County, OK

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

Norman, OK (KOUN), launched 00:00Z, 5.8 hours before the alert went out and 153 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, Norman, OK at 00:00Z on 1990-01-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 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, Norman, OK at 00:00Z on 1990-01-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 square meters per square second.1939587897117Sfc1 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
949 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
217 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 170550
SVRTUL
OKC037-113-143-170645-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1150 PM CST TUE JAN 16 1990
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1245 AM CST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN NORTHEAST OKLAHOMA
          ...CREEK...SOUTHEASTERN OSAGE...WESTERN TULSA
 
AT 1143 PM CDT RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS
EXTENDING FROM OSAGE TO BRISTOW OKLAHOMA MOVING TO THE EAST AT 50 MPH.
THESE STORMS WILL MOVE ACROSS THE SAPULPA AND SAND SPRINGS AREA IN THE
NEXT 15 TO 20 MIN. THESE STORMS HAVE PRODUCED NICKLE SIZE HAIL AS THEY
MOVED THROUGH LINCOLN COUNTYn.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH...
LARGE HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN.  FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS.

Nearby

Severe Thunderstorm Warnings in Oklahoma, 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.