Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 113, NWS Tulsa, OK

May 19, 1990Mayes County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 19, 1990, 5:16 PM CDT for Mayes County, Oklahoma. It was in force for 59 min. 4 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
May 19, 1990, 5:16 PM CDT (22:16 UTC)
Expired
May 19, 1990, 6:15 PM CDT
In force
59 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Mayes County, OK

The radar

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

What was reported inside it

TimeReportWhereRemark
May 19, 5:35 PM CDTThunderstorm Wind 61Mayes, OK
May 19, 5:50 PM CDTHail 0.75Mayes, OK
May 19, 5:55 PM CDTThunderstorm Wind 65Mayes, OK
May 19, 6:20 PM CDTHail 0.88Mayes, OK

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Springfield, MO (KUMN), launched 12:00Z, 10.3 hours before the alert went out and 144 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 1990-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 153 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 1990-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 507 square meters per square second.19395878Sfc1 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
153 J/kg
Mixed-layer CIN
-326 J/kg
Mixed-layer LCL
814 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
507 m²/s²
0-3 km storm-relative helicity
651 m²/s²
Significant tornado parameter
0.0
Supercell composite
7.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTUL 192217
SVRTUL
OKC097-192315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
516 PM CDT SAT MAY 19 1990
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  615 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES ...
 
IN NORTHEAST OKLAHOMA
 
   ...NORTHERN MAYES COUNTY
 
AT 5 13 PM RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES SOUTHEAST OF
ADAIR AND WAS NEARLY STATIONARY.
 
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.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER...
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
KEEP TUNED TO THIS STATION FOR THE LATEST WEATHER BULLETINS.

The office that day

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

IssuedProductOfficeCountiesLasted
May 19, 2:32 AM CDTSevere Thunderstorm WarningTSAPittsburg43 min
May 19, 1:26 PM CDTSevere Thunderstorm WarningTSAOsage64 min
May 19, 2:54 PM CDTSevere Thunderstorm WarningTSAOsage66 min
May 19, 3:59 PM CDTSevere Thunderstorm WarningTSAOsage61 min
May 19, 4:12 PM CDTSevere Thunderstorm WarningTSATulsa48 min
May 19, 4:16 PM CDTFlash Flood WarningTSAOsage3 hr
May 19, 4:24 PM CDTSevere Thunderstorm WarningTSADelaware, Mayes51 min
May 19, 4:30 PM CDTSevere Thunderstorm WarningTSACreek, Tulsa45 min
May 19, 5:02 PM CDTSevere Thunderstorm WarningTSAOsage, Tulsa58 min
May 19, 5:26 PM CDTSevere Thunderstorm WarningTSACreek64 min
May 19, 5:38 PM CDTSevere Thunderstorm WarningTSADelaware67 min
May 19, 5:46 PM CDTSevere Thunderstorm WarningTSAWagoner59 min
May 19, 6:28 PM CDTSevere Thunderstorm WarningTSAMuskogee, Okmulgee62 min
May 19, 6:34 PM CDTSevere Thunderstorm WarningTSAMayes56 min
May 19, 6:36 PM CDTSevere Thunderstorm WarningTSACreek54 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.