Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 22, NWS Tulsa, OK

April 2, 1994Creek County, Tulsa County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 2, 1994, 6:57 PM CST for Creek County, Tulsa County, Oklahoma. It was in force for 48 min.

The area

The counties it named.

The facts

Issued
Apr 2, 1994, 6:57 PM CST (00:57 UTC)
Expired
Apr 2, 1994, 7:45 PM CST
In force
48 min
Issued by
NWS Tulsa, OK
Area
Whole counties

Counties Creek County, OK, Tulsa County, OK

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 1.0 hours before the alert went out and 143 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 1994-04-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1249 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 00:00Z on 1994-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 118 square meters per square second.1939587897Sfc1 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
1249 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
1451 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
118 m²/s²
0-3 km storm-relative helicity
147 m²/s²
Significant tornado parameter
0.7
Supercell composite
4.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTUL 030058
SVRTUL
OKC037-143-030145-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
657 PM CST (757 PM CDT) SAT APR 2 1994
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  745 PM CST (845 PM CDT)
FOR PEOPLE IN THE FOLLOWING LOCATIONSS...
 
IN NORTHEAST OKLAHOMA
 
   ...CREEK COUNTY...SOUTHERN TULSA COUNTY
 
AT 655 PM...NATIONAL WEATHER SERVICE RADAR INDICATED TWO SEVERE
THUNDERSTORMS. THE FIRST STORM WAS IN WESTERN CREEK COUNTY 5 MILES EAST
OF SHAMROCK AND THE SECOND STORM WAS IN SOUTHERN TULSA COUNTY JUST EAST
OF GLENPOOL. THE STORMS WERE MOVING EAST AT 35 MILES AN HOUR.
 
NUMEROUS REPORTS OF DIME TO QUARTER SIZE HAIL AND WINDS TO 60 MILES AN
HOUR HAVE OCCURRED WITH THESE STORMS.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER...
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH
LITTLE OR NO ADVANCE WARN ING.  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 2, 3:45 PM CST, 3 hours 12 minutes earlier.

Area forecast discussion, Apr 2, 3:45 PM CST, 3 hours 12 minutes before
AREA FORECAST DISCUSSION FOR EASTERN OKLAHOMA
NATIONAL WEATHER SERVICE TULSA OK
345 PM CST SAT APR 2 1994

TORNADO WATCH IN EFFECT FOR PARTS OF NE OK UNTIL 8 PM. TSTMS DEVELOPING
TO OUR WEST WILL MOVE EAST ACROSS ERN OK THIS EVENING AS COLD FRONT
JUST ENTERING THE NORTHWEST PART OF OUR FCST AREA MOVES SOUTH INTO THE
AREA. FRONT SHOULD CLEAR EXTREME SE OK AFTER MIDNIGHT. CLOUDINESS WILL
LINGER FOR A FEW HOURS FOLLOWING FROPA BUT A CLEARING TREND SHOULD
COMMENCE FROM NORTH TO SOUTH AFTER MIDNIGHT. WINDS MAY DIMINISH JUST
ENOUGH AROUND DAYBREAK TO ALLOW TEMPS TO FALL TO NEAR FREEZING ALONG
THE KS BORDER BUT NO FREEZE WARNINGS WILL BE ISSUED ATTM. GUIDANCE
TEMPS SEVERAL DEGREES TOO WARM IN NE OK FOR MINS TONIGHT.

QUIET WEATHER EXPECTED SUNDAY THROUGH MONDAY WITH SOUTH WINDS RETURNING
SUNDAY NIGHT AND KEEPING TEMPS FROM BOTTOMING OUT IN MOST AREAS. NGM
MOS TEMPS SEEM A LITTLE LOW SUNDAY BUT ARE REASONABLE IN MOST AREAS
SUNDAY NIGHT. GULF MOISTURE WILL BEGIN TO RETURN NORTH MONDAY BUT WILL
KEEP SKIES MOSTLY SUNNY FOR NOW WITH TEMPS SEVERAL DEGREES WARMER THAN
THE NGM MOS.

ARCTIC FRONT WILL BE LURKING TO THE NORTH BY MONDAY EVENING AND MAY
MOVE INTO NE OK BY SUNRISE TUESDAY. WILL INTRODUCE SHOWERS AND TSTMS TO
THE MONDAY NIGHT PORTION OF THE FCST WITH SEVERE WEATHER A GOOD BET
TUESDAY IF THE FRONT DOES NOT PLUNGE TOO FAR SOUTH. UNFORTUNATELY AVN
GRIDDED DATA WAS NOT AVAILABLE TO SEE 72 HOUR PRODUCTS.

TUL 35/66/44/80/42  6000    MLC 42/68/39/77/54  7000
BVO 33/65/39/80/38  4000    IDB 50/69/37/76/54  6-00

.TUL...NONE.

PLATE

In the hours before

Local storm report, Apr 2, 5:47 PM CST, 1 hour 10 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
547 PM CST SAT APR 2 1994

TIME(CST)    COUNTY       EVENT

535 PM       PAWNEE        QUARTER SIZE HAIL FELL 6 MILES SOUTHWEST
                           OF MARAMEC ON HIGHWAY 18.
Local storm report, Apr 2, 6:01 PM CST, 56 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
700 PM CST SAT APR 2 1994

TIME(CST)    COUNTY       EVENT

554 PM       CREEK        DIME SIZE HAIL AND WIND GUSTS TO 70 MPH AT
                        &  OILTON
Local storm report, Apr 2, 6:09 PM CST, 48 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
708 PM CDT SAT APR 02 1994

TIME(CST)    COUNTY       EVENT

600 PM       CREEK        NICKLE SIZE HAIL 1 MILE WEST OF MANNFORD.
Local storm report, Apr 2, 6:15 PM CST, 42 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
615 PM CST SAT APR 2 1994

TIME(CST)    COUNTY       EVENT

612 PM       TULSA        QUARTER SIZE HAIL IN DOWNTOWN TULSA
Special weather statement, Apr 2, 6:16 PM CST, 41 minutes before
OKC121-030115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
614 PM CST (714 PM CDT) SAT APR 2 1994

...STRONG THUNDERSTORM MOVING INTO SOUTHEAST OKLAHOMA...

AT 613 PM A STRONG THUNDERSTORM WAS LOCATED IN NORTHWEST PONTOTOC COUNTY
NORTHWEST OF ADA.  THIS STORM WAS MOVING EAST SOUTHEAST AT 35 MPH AND
MAY BEGIN TO AFFECT PARTS OF WESTERN PITTSBURG COUNTY BY 715 PM.  THIS
STORM HAS A HISTORY OF SEVERE WEATHER.

PERSONS IN PITTSBUlRG COUNTY SHOULD LISTEN CLOSELY FOR FURTHER
INFORMATION FROM THE NATIONAL WEATHER SERVICE.
Local storm report, Apr 2, 6:52 PM CST, 5 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
650 PM CST SAT APR 02 1994

TIME(CST)    COUNTY       EVENT

635 PM       ROGERS       DIME SIZE HAIL 4 MILES NORTHWEST OF
                          INOLA.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 2, 6:04 PM CSTSevere Thunderstorm WarningTSATulsa56 min
Apr 2, 6:25 PM CSTSevere Thunderstorm WarningTSARogers50 min
Apr 2, 7:09 PM CSTSevere Thunderstorm WarningTSAWagoner51 min
Apr 2, 7:12 PM CSTSevere Thunderstorm WarningTSAPittsburg63 min
Apr 2, 7:30 PM CSTTornado WarningTSAPittsburg30 min
Apr 2, 8:12 PM CSTSevere Thunderstorm WarningTSALatimer, Pittsburg48 min
Apr 2, 8:37 PM CSTSevere Thunderstorm WarningTSAOkmulgee43 min
Apr 2, 8:48 PM CSTSevere Thunderstorm WarningTSALeFlore57 min
Apr 2, 8:55 PM CSTSevere Thunderstorm WarningTSAMuskogee50 min
Apr 2, 8:58 PM CSTSevere Thunderstorm WarningTSALatimer47 min
Apr 2, 10:10 PM CSTSevere Thunderstorm WarningTSALeFlore65 min
Apr 2, 10:18 PM CSTSevere Thunderstorm WarningTSACreek, Okfuskee42 min
Apr 2, 10:18 PM CSTSevere Thunderstorm WarningTSATulsa30 min
Apr 2, 10:23 PM CSTSevere Thunderstorm WarningTSAOkmulgee46 min
Apr 2, 10:51 PM CSTSevere Thunderstorm WarningTSAHaskell39 min
Apr 2, 11:04 PM CSTSevere Thunderstorm WarningTSALeFlore56 min
Apr 2, 11:05 PM CSTSevere Thunderstorm WarningTSAMcIntosh40 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1994Every severe thunderstorm warning in 1994

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.