Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 290, NWS Tulsa, OK

June 29, 1995Pittsburg County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jun 29, 1995, 5:44 PM CDT for Pittsburg County, Oklahoma. It was in force for 46 min.

The area

The counties it named.

The facts

Issued: Jun 29, 1995, 5:44 PM CDT (22:44 UTC)
Expired: Jun 29, 1995, 6:30 PM CDT
In force: 46 min
Issued by: NWS Tulsa, OK
Area: Whole counties

County Pittsburg County, OK

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 10.7 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 628 J/kg
Mixed-layer CIN: -65 J/kg
Mixed-layer LCL: 859 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: -54 m²/s²
0-3 km storm-relative helicity: 23 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTUL 292245 RRA
SVRTUL
OKC121-292330-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
544 PM CDT THU JUN 29 1995
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  630 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST OKLAHOMA
 
   ...SOUTHERN PITTSBURG COUNTY
 
AT 544 PM...RADAR INDICATED 2 DEVELOPING SEVERE THUNDERSTORMS. ONE STORM
WAS CENTERED NEAR BLANCO AND THE SECOND WAS NEAR KIOWA. THE STORMS WERE
MOVING TO THE NORTH AT 5 MPH.
 
VERY HEAVY RAINS MAY CAUSE LOCALIZED FLOODING.
 
 
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.

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 Jun 29, 3:29 PM CDT, 2 hours 15 minutes earlier.

Area forecast discussion, Jun 29, 3:29 PM CDT, 2 hours 15 minutes before

EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
330 PM CDT THU JUN 29 1995

CDFNT RUFLY ALNG PNC TO OKC LN...88D SHOWS BAND OF SHWRS AND NEW
TRW ALNG/AHD OF FNT.  STG TRW FIRING ALNG SE OK OUTFLW BDRY...SHUD
ONLY AFFECT ZN 77.  MAIN QSTN IS HOW WDSPRD CNVCTN WL BE ALNG
ADVANCING CDFNT...ESP OVR NE OK WHR NOT AS UNSTBL DUE TO CLDNSS AND
EARLIER PCPN.  PLENTY OF HEATING AND RATHR HI DWPTS S OF TUL SHUD
LEAD TO SCTD LATE AFTN/EVNG TRW TIL FROPA...AND WILL WORD ZNS AS
SUCH...WITH 30 OR 40 POPS.  WL GO WITH SLGTLY LWR POPS N AND NE OF
TUL WHR MORE STABLE AND WHR ACTVTY SHUD BE MORE WDLY SCTD.

CNVCTN SHUD BE MAINTAINED BY UPR DVRGNT FLOW AND NW OK UPR VORT
MAX AS WELL AS LLVL ERLY FLOW FEEDG CNVCTN AS SEEN ON 88D VWP AND
HASKELL PRFLR.  SO WILL ALSO WORD FAR ERN OK/NW AR ZNS AS SCTD TRW.
NOT SURE IF ANY POSTFROPA PCPN WL DVLP...FOR NOW WL JUST STRESS
MAINLY EVNG PCPN IN ERN OK ZNS.

CDFNT SHUD BE OVR SE CRNR OF OK ERLY TMRW MRNG...MOVG WELL S OF
AREA DURG DAY.  MAIN QSTN FOR TMRW IS HOW MUCH SUN WE WILL SEE.
MDLS INDCT DECENT ISENTRPC DOWNGLIDE AND NEG THETA-E ADVCTN AS SFC/
H8 HI PRES BLDS TWRD AREA.  WL WORD ZNS MRNG CLDNSS...THEN BCMG
PCLDY.  OF COURSE...HI TMPS WL BE VRY DEPENDANT ON HOW MUCH WE CLR
OUT.  TEMPS WL STAY IN 70S WITH LTL/NO CLRG.  BASED ON MY FCST...
WL GO WITH TEMPS NR 80...SLGTLY WRMR SE.

SEARCHED MDL GRIDDED DATA FOR MCC POTNTL.  MCC DVLPMNT A GOOD BET
ACRS CO/NM...AFFECTG TX PNDL AND WRN KS...BUT WITH 850 MB HI PRES
CTR OVR AREA AND LLJ WELL W OVR CO...XPCT PCPN TO STAY WELL W OF
FCST AREA.  THE RESULT...FAIR WX...COOL MRNGS...MILD AFTNS...SOUNDS
LIKE PERFECT HOLIDAY WKND WX TO ME!

PRELIM NUMBERS.v.. TUL 65/80 60/80 2-0-    MLC 66/82 61/82 3-0-
                  FYV 64/79 57/79 2-0-    FSM 67/83 61/83 3-0-
                  BVO 63/80 58/80 2-0-    IDB 68/85 64/84 410-
PW

.TUL...NONE.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 29, 5:07 AM CDT	Flash Flood Warning	TSA	Pawnee	3 hr
Jun 29, 6:19 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Tulsa	26 min
Jun 29, 6:42 AM CDT	Flash Flood Warning	TSA	Rogers, Tulsa	3 hr
Jun 29, 6:48 AM CDT	Severe Thunderstorm Warning	TSA	Tulsa, Wagoner	27 min
Jun 29, 7:41 AM CDT	Severe Thunderstorm Warning	TSA	Muskogee	30 min
Jun 29, 8:35 AM CDT	Flash Flood Warning	TSA	Cherokee	115 min
Jun 29, 5:04 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	41 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1995 Every 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.