Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 154, NWS Tulsa, OK

May 26, 1990Rogers County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 26, 1990, 8:00 AM CDT for Rogers County, Oklahoma. It was in force for 45 min.

The area

The counties it named.

The facts

Issued
May 26, 1990, 8:00 AM CDT (13:00 UTC)
Expired
May 26, 1990, 8:45 AM CDT
In force
45 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Rogers 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 12:00Z, 1.0 hours before the alert went out and 207 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 12:00Z on 1990-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1863 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 12:00Z on 1990-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 202 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
1863 J/kg
Mixed-layer CIN
-391 J/kg
Mixed-layer LCL
1411 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
202 m²/s²
0-3 km storm-relative helicity
211 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KTUL 261259
SVRTUL
OKC131-261345-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
800 AM CDT SAT MAY 26 1990
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  845 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES ...
 
IN NORTHEAST OKLAHOMA
 
   ...NORTHERN ROGERS COUNTY
 
AT 759 AM RADAR INDICATED A SEVERE THUNDERSTORM 7 MILES NORTHWEST OF
OOLOGAH MOVING TOWARD THE EAST AT 20 MILES AN HOUR. LARGE HAIL AND
STRONG WINDS ARE LIKELY WITH THIS STORM.
 
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 ROO?M ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS.

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 5:29 AM CDTSevere Thunderstorm WarningTSAOsage61 min
May 26, 6:32 AM CDTSevere Thunderstorm WarningTSAOsage, Pawnee58 min
May 26, 7:29 AM CDTSevere Thunderstorm WarningTSAOsage46 min
May 26, 8:12 AM CDTSevere Thunderstorm WarningTSAOsage, Washington48 min
May 26, 8:48 AM CDTSevere Thunderstorm WarningTSANowata42 min
May 26, 8:59 AM CDTSevere Thunderstorm WarningTSAWashington46 min
May 26, 1:20 PM CDTSevere Thunderstorm WarningTSASequoyah55 min
May 26, 1:20 PM CDTSevere Thunderstorm WarningTSALeFlore55 min

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.