Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 165, NWS Tulsa, OK

May 31, 1995Osage County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 31, 1995, 6:28 PM CDT for Osage County, Oklahoma. It was in force for 62 min.

The area

The counties it named.

The facts

Issued
May 31, 1995, 6:28 PM CDT (23:28 UTC)
Expired
May 31, 1995, 7:30 PM CDT
In force
62 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Osage County, OK

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 11.5 hours before the alert went out and 181 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 1995-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 48 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 1995-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 147 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
48 J/kg
Mixed-layer CIN
-193 J/kg
Mixed-layer LCL
1041 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
147 m²/s²
0-3 km storm-relative helicity
209 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 312330
SVRTUL
OKC113-010030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
628 PM CDT WED MAY 31 1995
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  730 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST OKLAHOMA
 
   ...CENTRAL AND EASTERN OSAGE COUNTY
 
AT 626 PM...NATIONAL WEATHER SERVICE RADAR SHOWED A SEVERE THUNDERSTORM
JUST WEST OF PAWHUSKA. THE STORM WAS MOVING EAST AT 25 MPH.
PAWHUSKA...WYNONNA AND BARNSDALL ARE IN THE PATH OF THIS STORM.
 
 
HAIL TO THE SIZE OF NICKELS 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.
 
KEEP TUNED TO THIS STATION FOR THE LATEST WEATHER BULLETINS.

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 May 31, 3:37 PM CDT, 2 hours 51 minutes earlier.

Area forecast discussion, May 31, 3:37 PM CDT, 2 hours 51 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
335 PM CDT WED MAY 31 1995

NMRS BNDRYS LIE ACRS SRN PLAINS. APRS THAT REMNANTS OF FNT REMAIN
NR RED RVR VALLEY. MEANWHILE WK SFC LO APRS TO BE DVLPG IN N
CNTRL OK W/TROF XTNDG SWD INTO NRN TX. W/MDT INSTABILITY AND
LITTLE CAP SCT RW/TRW CONT ACRS ABT SERN 1/2 OF FA THIS AFTN.

MDLS LOOK TO BE IN FAIRLY GOOD AGREEMENT AND WEAKEN THE UPR LO
W/TIME. NGM/AVN MV LO EWD WHILE ETA STILL WANTS TO GIVE IT SOME
SLY COMPONENT. NEVERTHELESS SVRL S/W WL CONT TO ROTATE ARND THE
BASE OF THIS FEATURE PROVIDING LIFT FOR RW/TRW FORMATION. HOWEVER
TIMING IS A PROB. LOOKS LIKE SFC TROF IN CTRL OK SHLD SLOWLY MV
INTO FA THU NGT. OTRW NOT MUCH TO PROVIDE FOCUS FOR TRW OTHER
THAN OUTFLOW BNDRYS FROM PREV CNVTN.

INIT THINKING IS TO CARRY 40-50 POPS ACRS FA W/HIGHER POPS IN SRN
AND ERN SCTNS IN LINE W/CRNT PRECIP COVERAGE. BELIEVE THAT THERE
WL NOT BE QUITE AS MANY CLDS IN WRN SCTNS TMRW COMPARED TO TDY.
SO WL CALL IT BCMG PTLY CLDY ALTHO W/HEATING SKIES MAY BCM BKN V
SCT DURG THE AFTN. ELSEWHERE WL KEEP SKIES MSTLY CLDY. DECIDED TO
JUST SPREAD 30 POPS AREAWIDE THU AND FOR MOST OF THE FA THU NGT.
DID LOWER POPS TO SLGT CHC IN NWRN ZNS AS SFC TROF MVS PAST THAT
AREA...ALTHO NOT REAL CONFIDENT IN THAT SCENARIO. WL HOLD ON TO
LOW POPS FOR FRI MRNG IN ERN ZNS BUT OTRW WL TRY TO KEEP FRI AND
THRU SAT DRY.

FAN HAS BEEN A LITTLE TOO COOL W/MINS PAST SVRL DAYS AND THIS
STILL APRS TO BE THE CASE. FWC MINS LOOK FAIRLY REASONABLE AND WL
STAY CLOSE TO THOSE NMBRS. W/LESS PRECIP COVERAGE XPCTD AS WELL
AS SOME MORE SUN THU AND FRI XPCT HI TEMPS TO WARM UP. HOWEVER
THINK THAT FWC HAS GONE TOO WM ACRS SRN 1/2 OF FA. LEANED MORE
TWD FAN IN THOSE AREAS.

ANOTHER SLO MVG LO LOOKS TO BE HEADED TWD THE SRN PLAINS BY LATE
IN THE WKND. THERE MAY BE CHC TRW LATE SAT BUT FOR NOW WL LV
PRECIP OUT. HOWEVER WL INCLUDE CHC RW/TRW FOR BOTH SUN AND MON.
ATTM DO NOT SEE MUCH VARIATION IN RANGE OF TEMPS THRU XTND PDS.

PRELIM NMBRS
TUL 62/80 62/81 4321     FSM 63/79 63/82 5332
MLC 63/82 63/83 5331     BVO 62/80 60/81 4321
FYV 60/76 61/81 5332     IDB 66/81 67/83 5333
BYV 58/76 59/80 5332

07

.TUL...NONE.

In the hours before

Special weather statement, May 31, 12:30 PM CDT, 5 hours 58 minutes before
OKZ076-311800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1228 PM CDT WED MAY 31 1995

....STRONG THUNDERSTORMS IN SOUTHERN LE FLORE COUNTY...

AT 1225 PM...STRONG THUNDERSTORMS WERE MOVING ACROSS SOUTHERN LE FLORE
COUNTY BETWEEN TALIHINA AND PAGE.  THESE THUNDERSTORMS WILL LIKELY PRODU
VERY HEAVY RAIN AND GUSTY WINDS.  SOME SMALL HAIL MAY ALSO BE POSSIBLE.

THE STORMS WERE MOVING TO THE EAST AT ABOUT 30 MPH...AND WILL MOVE NEAR
OR JUST NORTH OF PAGE BETWEEN 1230 PM AND 1 PM.
Special weather statement, May 31, 12:57 PM CDT, 5 hours 31 minutes before
ARZ001-002-010-011-019-029-OKZ054>077-011200-

EASTERN OKLAHOMA/NORTHWEST ARKANSAS THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
100 PM CDT WED MAY 31 1995

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND
TONIGHT ACROSS ALL OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.

A WEAK SURFACE TROF ACROSS CENTRAL OKLAHOMA AT MIDDAY IS EXPECTED TO
MOVE LITTLE THROUGH TONIGHT. THE AIRMASS ACROSS EASTERN OKLAHOMA AND
NORTHWEST ARKANSAS HAS BECOME MODERATELY UNSTABLE WITH EARLY AFTERNOON
TEMPERATURES IN THE 70S AND DEWPOINTS IN THE 60S. A SERIES OF UPPER
LEVEL DISTURBANCES WILL MOVE ACROSS THE AREA THIS AFTERNOON AND TONIGHT
AND WILL RESULT IN SCATTERED THUNDERSTORMS.

THE DEGREE OF INSTABILITY SUGGESTS THAT SOME OF THE STORMS MAY BE
SEVERE WITH LARGE HAIL BEING THE MAIN THREAT. THE SEVERE WEATHER THREAT
WILL LIKELY DIMINISH BY LATE EVENING AS THE AIRMASS BECOMES MORE STABLE
WITH THE LOSS OF HEATING.

EMERGENCY MANAGEMENT AGENCIES AND STORM SPOTTER GROUPS SHOULD MONITOR
THE LATEST WEATHER CONDITIONS AND FORECASTS AND SHOULD BE PREPARED FOR
POSSIBLE ACTIVATION THIS AFTERNOON AND EVENING.
Local storm report, May 31, 1:40 PM CDT, 4 hours 48 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
138 PM CDT WED MAY 31 1995

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

105 PM          7 MI NW OF MCALESTER    OK   0.88 INCH HAIL(NICKEL SIZED
05/31/95          PITTSBURG                                 HAIL)

..
Special weather statement, May 31, 3:33 PM CDT, 2 hours 55 minutes before
OKZ076-312045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
330 PM CDT WED MAY 31 1995

AT 325 PM...STRONG THUNDERSTORMS WERE LOCATED OVER SOUTHERN LE FLORE
COUNTY...MOVING TO THE SOUTHEAST AROUND 20 MPH.

THE STRONGEST STORM WAS NEAR ZAFRA...IN EXTREME SOUTHEAST LE FLORE
COUNTY.  THIS STORM IS CAPABLE OF PRODUCING VERY HEAVY RAIN...GUSTY
WINDS...AND SMALL HAIL.

PERSONS IN THE ZAFRA AREA SHOULD BE PREPARED TO TAKE ACTION IF
THREATENING WEATHER DEVELOPS.

STAY TUNED TO THIS STATION FOR THE LATEST WEATHER INFORMATION.
Special weather statement, May 31, 6:17 PM CDT, 11 minutes before
OKZ065-066-070-071-072-073-074-075-076-312345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
617 PM CDT WED MAY 31 1995

...THE SEVERE THUNDERSTORM WATCH THAT WAS IN EFFECT FOR PARTS OF
SOUTHEAST OKLAHOMA HAS BEEN CANCELLED...

AT 615 PM...NATIONAL WEATHER SERVICE RADAR SHOWED SOME DIMINISHING
SHOWERS OVER SOUTHEAST OKLAHOMA IN LE FLORE COUNTY. ADDITIONAL
DEVELOPMENT IS NOT EXPECTED THIS EVENING AND SO THE THREAT FOR
SEVERE STORMS HAS ENDED OVER SOUTHEAST OKLAHOMA.

The office that day

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

IssuedProductOfficeCountiesLasted
May 31, 10:14 AM CDTSevere Thunderstorm WarningTSAMuskogee, Okmulgee46 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.