Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 397, NWS Tulsa, OK

August 26, 1994Craig County, Mayes County, Rogers County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Aug 26, 1994, 5:42 AM CDT for Craig County, Mayes County, Rogers County, Oklahoma. It was in force for 48 min.

The area

The counties it named.

The facts

Issued: Aug 26, 1994, 5:42 AM CDT (10:42 UTC)
Expired: Aug 26, 1994, 6:30 AM CDT
In force: 48 min
Issued by: NWS Tulsa, OK
Area: Whole counties

Counties Craig County, OK, Mayes County, OK, Rogers County, OK

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 10.7 hours before the alert went out and 232 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: 920 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 1961 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: -7 m²/s²
0-3 km storm-relative helicity: 117 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 261044 RRA
SVRTUL
OKC035-097-131-261130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
542 AM CDT FRI AUG 26 1994
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  630 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONSS...
 
IN NORTHEAST OKLAHOMA
 
   ...SOUTHERN CRAIG COUNTY...MAYES COUNTY
   ...NORTHEASTERN ROGERS COUNTY
 
DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS MOVING SOUTHWARD
ACROSS CRAIG COUNTY AT 540 AM. THE LINE EXTENDED ALONG INTERSTATE 44
EAST OF VINITA TO 5 MILES NORTH OF CHELSEA. BIG CABIN...CHELSEA...
PENSACOLA...AND PRYOR ARE IN THE PATH OF THESE STORMS.  THE STORMS ARE
MOVING TO THE SOUTH AT 30 MPH.
 
 
 
HAIL TO THE SIZE OF DIMES 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 Aug 26, 4:00 AM CDT, 1 hour 42 minutes earlier.

Area forecast discussion, Aug 26, 4:00 AM CDT, 1 hour 42 minutes before

FPUS3 KTUL 260858
AFDTUL

AREA FORECAST DISCUSSION FOR EASTERN OKLAHOMA
NATIONAL WEATHER SERVICE TULSA OK
400 AM CDT FRI AUG 26 1994

88-D AND AREA PROFILERS SHOWING RATHER STG LLVL JET THAT HAS KEEP
ERN KS TSTM CMPLX GOING OVRNGT.  CMPLX MOVG SSEWRD AND MAIN EFFECT
WL BE OVR NE CORNER OF STATE THIS MRNG BFR WEAKENING.  ALTHO MAIN
AFFECT WL BE THIS MRNG...SYSTM WL LKLY LV A BNDRY SOMEWHERE ACRS
THE AREA TDA...SO WL MAINTAIN POPS INTO THE AFTN OVR THE NORTH.
FURTHER SOUTH...WL CONT LO POPS FRM PREV FCST...ALTHO FAR SE MAY
ONLY SEE ISOLD ACTVTY SIM TO PAST FEW DAYS.  W/ SYSTM WEAKENING
AND MOVG OUT OF THE PICTURE BY TNGT...XPCT WX TO RTN TO PATTERN
OF PAST FEW DAYS W/ UPR RDGG THE MAIN FTR.  MCS WL MAKE TEMPS
TRICKY IN THE NE TDA...OTHRWS ABV NORM TEMPS TO CONT BCMG SLGTLY
HOTTER EACH DAY.

PRELIM NUMBERS:  TUL 92/73/94 500  BVO 93/72/95 700
                 MLC 92/73/94 210  IDB 92/71/93 21-
...04...

.TUL...NONE.

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 26, 4:38 AM CDT	Severe Thunderstorm Warning	TSA	Craig, Nowata, Ottawa	67 min
Aug 26, 4:38 AM CDT	Severe Thunderstorm Warning	TSA	Craig, Nowata	52 min
Aug 26, 4:38 AM CDT	Severe Thunderstorm Warning	TSA	Ottawa	52 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1994 Every 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.