Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 331, NWS Tulsa, OK

July 22, 1995Osage County, Pawnee County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jul 22, 1995, 2:11 AM CDT for Osage County, Pawnee County, Oklahoma. It was in force for 49 min.

The area

The counties it named.

The facts

Issued: Jul 22, 1995, 2:11 AM CDT (07:11 UTC)
Expired: Jul 22, 1995, 3:00 AM CDT
In force: 49 min
Issued by: NWS Tulsa, OK
Area: Whole counties

Counties Osage County, OK, Pawnee County, OK

The radar

The Tulsa radar (KINX), 94 km from the middle of the area, began a volume at 07:11 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 7.2 hours before the alert went out and 159 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: 3489 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 1356 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 31 m²/s²
0-3 km storm-relative helicity: 97 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 4.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTUL 220712 RRA
SVRTUL
OKC113-117-220800-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
211 AM CDT SAT JUL 22 1995
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  300 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST OKLAHOMA
 
   ...OSAGE COUNTY...PAWNEE COUNTY
 
AT 210 AM...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM 10 MILES
NORTHWEST OF BURBANK TO 12 MILES WEST OF PAWNEE. THE STORMS WERE MOVING
EAST AT 35 MPH. BURBANK...FAIRFAX...PAWHUSKA AND RALSTON ARE IN THE PATH
OF THESE STORMS.
 
 
WIND GUSTS TO 65 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 Jul 21, 8:30 PM CDT, 5 hours 41 minutes earlier.

Area forecast discussion, Jul 21, 8:30 PM CDT, 5 hours 41 minutes before

FPUS3 KTUL 220129
AFDTUL

EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
830 PM CDT FRI JUL 21 1995

SCTD STORMS HAVE DVLPD IN WRN/CNTRL OK ALG WEAK SFC TROF. STORMS
ARE BEING AIDED BY LIFT IN RIGHT REAR QUAD OF 250 MB JET
MAXIMUM AS SEEN ON 00Z PROFILER DATA. THE STORMS ARE WEAKENING
AS THEY MOVE AWAY FROM SFC TROF...BUT THE ACTIVITY SHUD GRADLY
SPREAD INTO ERN OK TONITE. OUN SNDG AT 00Z SHOWED VRY UNSTABLE
AIRMASS WITH STEEP MID LVL LAPSE RATES AND LTL CAP.

WL UP POPS INTO CHC CATEGORY IN AREAS W OF TUL FOR REST OF THE
NITE AS TRW OR AT LEAST REMNANT RW- SPREAD EWD FROM CNTRL OK.
WL KEEP ONLY A SLGT CHC IN NW AR AND EXTRM ERN OK TONITE WHERE
WDLY SCTD TRW- NOT LIKELY TO AFFECT THOSE AREAS TIL AFTR 09Z.

WL MAKE NO CHGS TO LATER PDS OF FCST. AFTN PKG HAS GUD HANDLE
ON TEMPS/POPS THRU THE WEEKEND AS SUBTROPICAL JET REMAINS ACRS
KS. BEST BET FOR SCTD STORMS APPRS TO BE ACRS NE OK THRU SAT
NITE AS THIS AREA WILL BE CLOSEST TO SUBTROP JET...COOLEST
MID LVL TEMPS AND PSBL SFC BNDRIES.
                                              /9

.TUL...NONE.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 22, 2:42 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Tulsa, Washington	48 min
Jul 22, 2:42 AM CDT	Severe Thunderstorm Warning	TSA	Creek	48 min
Jul 22, 5:04 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	29 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; radar from the NEXRAD Level II archive.