Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 104, NWS Tulsa, OK

April 30, 1995Pittsburg County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 30, 1995, 11:16 PM CDT for Pittsburg County, Oklahoma. It was in force for 40 min.

The area

The counties it named.

The facts

Issued: Apr 30, 1995, 11:16 PM CDT (04:16 UTC)
Expired: Apr 30, 1995, 11:56 PM CDT
In force: 40 min
Issued by: NWS Tulsa, OK
Area: Whole counties

County Pittsburg County, OK

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 4.3 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 588 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 227 m²/s²
0-3 km storm-relative helicity: 397 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTUL 010415
SVRTUL
OKC121-010500-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1116 PM CDT SUN APR 30 1995
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL MIDNIGHT CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST OKLAHOMA
 
   ...PITTSBURG COUNTY
 
AT 1115 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM 5 MILES WEST NORTHWEST OF MCALESTER. THE STORM WAS MOVING
EAST AT 40 MILES AN HOUR. MCALESTER IS 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 Apr 30, 9:36 PM CDT, 1 hour 40 minutes earlier.

Area forecast discussion, Apr 30, 9:36 PM CDT, 1 hour 40 minutes before

EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
935 PM CDT SUN APR 30 1995

HV NOT HAD MUCH TIME TO TAKE A LOOK AT 00Z DATA SINCE A FEW STRMS
GOT GOING ABT AN HR AGO. BUT QUICK LOOK SEEMS TO SUPPORT PREV FCST.
WM FNT APRS TO BE JUST S OF THE RED RVR W/LOTS OF MOISTURE RIDING
OVR IT. H85 DW PTS ARE ABV 10C AND PRECIP WATER ABV 1.25 IN ACRS
NRN TX AND OK AT 00Z. ALSO MID LVL LAPSE RATES ARE FAIRLY STEEP. LLJ
SHLD CONT TO STRENGTHEN AS GOOD AMPLITUDE S/W MVS OUT OF THE ROCKIES.
RADAR AND SAT LOOPS SEEMS TO INDICATE THAT AREAL COVERAGE OF RW/TRW
ARE INCRSG SO CAT POPS LOOK GOOD. W/PLENTY OF MOISTURE AND FORCING
COMBINED W/ALREADY SATURATED GROUND AND LO FFG VALUES WL CONT W/FFA
THRU THE NGT. FOR THE MOST PART WL ONLY MAKE MINOR ADJS TO PREV
FCST BASED ON LATEST TRENDS.

07

.TUL...FFA TNGT OK ZNS 54>77 AND AR ZNS 1/2/10/11/19/29.

In the hours before

Local storm report, Apr 30, 5:27 PM CDT, 5 hours 49 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
526 PM CDT SUN APR 30 1995

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

505 PM     6 SW WITTER               AR   0.75 INCH HAIL
04/30/95   MADISON

Special weather statement, Apr 30, 5:54 PM CDT, 5 hours 22 minutes before

OKZ067-068-069-071-072-074-075-076-ARZ010-019-029-302330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
554 PM CDT SUN APR 30 1995

SEVERE THUNUDERSTORM WATCH NUMBER 271 HAS BEEN CANCELLED FOR
ALL COUNTIES IN EASTERN OKLAHOMA. THIS INCLUDES THE FOLLOWING
COUNTIES...ADAIR...CHEROKEE...MCINTOSH...MUSKOGEE...SEQUOYAH...
WAGONER...HASKELL...LATIMER...AND LE FLORE.

THE SEVERE THUNDERSTORM WATCH HAS ALSO BEEN CANCELLED FOR
CRAWFORD...BSEBASTIAN...AND WASHINGTON COUNTIES IN NORTHWEST
ARKANSAS.  THE THREAT OF SEVERE THUNDERSTORMS HAS SHIFTED TO
THE EAST OF THESE COUNTIES.

Local storm report, Apr 30, 6:04 PM CDT, 5 hours 12 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
604 PM CDT SUN APR 30 1995

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

505 PM     2 NW PAGE         \        OK   1.00 INCH HAIL AND TREE LIMBS
04/30/95   LE FLORE                       BLOWN DOWN

Local storm report, Apr 30, 10:59 PM CDT, 17 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
1058 PM CDT SUN APR 30 1995

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

923 PM     WEST FORK                 AR   0.75 INCH HAIL.
04/30/95   WASHINGTON

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 30, 8:20 PM CDT	Severe Thunderstorm Warning	TSA	Adair	40 min
Apr 30, 8:39 PM CDT	Severe Thunderstorm Warning	TSA	Nowata	51 min
Apr 30, 11:43 PM CDT	Severe Thunderstorm Warning	TSA	Latimer	47 min
May 1, 12:12 AM CDT	Severe Thunderstorm Warning	TSA	LeFlore	48 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.