Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 71, NWS Tulsa, OK

April 19, 1995Pittsburg County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 19, 1995, 9:09 PM CDT for Pittsburg County, Oklahoma. It was in force for 51 min.

The area

The counties it named.

The facts

Issued
Apr 19, 1995, 9:09 PM CDT (02:09 UTC)
Expired
Apr 19, 1995, 10:00 PM CDT
In force
51 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Pittsburg County, OK

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 2.2 hours before the alert went out and 154 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 1995-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1995-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 415 square meters per square second.1939587897117136Sfc1 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
641 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
415 m²/s²
0-3 km storm-relative helicity
440 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTUL 200210
SVRTUL
OKC121-200300-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
909 PM CDT WED APR 19 1995
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1000 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST OKLAHOMA
 
   ...NORTHERN PITTSBURG COUNTY
 
AT 910 PM A SEVERE THUNDERSTORM WAS DEVELOPING OVER MCALESTER. THE STORM
WAS MOVING NORTH AT 35 MPH.
 
 
HAIL TO THE SIZE OF QUARTERS AND WIND GUSTS TO 60 MPH CAN BE EXPECTED
IN THE WARNED AREA.
 
DURING THE STORM MOVE INDOORS AND STAY AWAY FROM WINDOWS.
TO PROTECT YOURSELF FROM LIGHTNING DO NOT USE THE TELEPHONE
OR HAND HELD ELECTRICAL APPLIANCES...UNLESS IN AN EMERGENCY.
MOTORISTS SHOULD BE ALERT FOR WATER ON ROADWAYS AND NEVER
DRIVE ONTO A FLOODED ROAD.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER...
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCxE TORNADOES WITH
LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO RAPIDLY
CHANGING WEATHER CONDITIONS.

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.

NWS Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 19, 8:45 PM CDT, 24 minutes earlier.

Area forecast discussion, Apr 19, 8:45 PM CDT, 24 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
845 PM CDT WED APR 19 1995

STORMS BEGINNING TO BECOME WIDESPREAD OVR FA AS STG UPR SYSM APCHS.
FOR UPDAT...WL BOOST ALL POPS INTO 80-100 RANGE AND MENTION SVR
IN ALL ZNS. PROFILER WINDS INDICATE EXCELLENT SHEAR BETWEEN 1 AND 2
KM WHICH SHUD SUPPORT SOME MESOCYCLONES. LUKS LIKE A BUSY NITE.....

                                     /9
.TUL...NONE.

In the hours before

Local storm report, Apr 19, 8:44 PM CDT, 25 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
841 PM CDT WED APR 19 1995

TIME(CST)  .....CITY LOCATION.....   ST   EVENT/REMARKS...
           ....COUNTY LOCATION....

0836 PM    2 WEST OF SILOAM SPRINGS  OK   55 MPH WIND GUST
04/19/95   DELAWARE

0840 PM    WEST SILOAM SPRINGS       OK   1.25 INCH HAIL
04/19/95   DELAWARE

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 19, 8:16 PM CDTSevere Thunderstorm WarningTSAAdair, Delaware44 min
Apr 19, 8:23 PM CDTSevere Thunderstorm WarningTSAMuskogee52 min
Apr 19, 8:48 PM CDTSevere Thunderstorm WarningTSAOsage, Pawnee42 min
Apr 19, 9:49 PM CDTSevere Thunderstorm WarningTSAPittsburg41 min
Apr 19, 9:53 PM CDTSevere Thunderstorm WarningTSAHaskell, Muskogee52 min
Apr 19, 11:16 PM CDTSevere Thunderstorm WarningTSALatimer, LeFlore44 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1995Every severe thunderstorm warning in 1995

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.