Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 34, NWS Tulsa, OK

April 2, 1994Haskell County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 2, 1994, 10:51 PM CST for Haskell County, Oklahoma. It was in force for 39 min.

The area

The counties it named.

The facts

Issued: Apr 2, 1994, 10:51 PM CST (04:51 UTC)
Expired: Apr 2, 1994, 11:30 PM CST
In force: 39 min
Issued by: NWS Tulsa, OK
Area: Whole counties

County Haskell County, OK

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 4.9 hours before the alert went out and 207 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: 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 030452
SVRTUL
OKC061-030530-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1051 PM CST (1151 PM CDT) SAT APR 2 1994
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1130 PM CST (1230 AM CDT)
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHEAST OKLAHOMA
 
   ...EASTERN HASKELL COUNTY
 
AT 1050 PM...NATIONAL WEATHER SERVICE RADAR AT TULSA INDICATED A SEVERE
THUNDERSTORM 5 MILES WEST OF KEOTA. THE STORM WAS MOVING EAST NORTHEAST
AT 35 MILES AN HOUR AND WILL PASS NEAR THE TOWN OF KEOTA.
 
 
HAIL TO THE SIZE OF NICKELS AND WIND GUSTS TO 55 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 EXERCISE CARE WHEN APPROACHING LOW WATER
CROSSINGS.
 
KEEP TUNE(D 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 2, 9:04 PM CST, 1 hour 47 minutes earlier.

Area forecast discussion, Apr 2, 9:04 PM CST, 1 hour 47 minutes before

AREA FORECAST DISCUSSION FOR EASTERN OKLAHOMA
NATIONAL WEATHER SERVICE TULSA OK
903 PM CST SAT APR 2 1994

SCTD STG/SVR TRW ONGOING OVR FA. VORT MAX NR END AT 02Z IS MOVG EWD AND
SHUD MOVE INTO ARK/MO AFT 06Z AND TAKE THREAT OF SVR WX EWD WITH IT.
COLD FRONT CONTS A GUD SEWD PUSH AND AT 0230Z EXTDD ACRS SRN PARTS OF
ZNS 68/69 SWWD TO A SFC LOW ABT 10 W MLC. EXPCT FRONT TO CONT MOVG SEWD
AND CLR SE CORNER BY 10Z. XPCT TRW TO CONT AHD OF UPR TROF/VORT MAX EVEN
NORTH OF THE FRONT THRU MIDNITE. TRW SHUD MOVE OUT OF OK BY 08 TO 09Z
AS CAA AND SUBSIDENCE DVLPS BEHIND THE SHORTWV AND COLD FRONT.

N WNDS ARE GUSTY BEHIND THE FRONT...AND MAY MENTION CAUTIONS ON LAKES
OVR PARTS OF FA FOR A PD BEFORE WLNDS DIE DOWN LATER. WL ALSO MAKE
SOME FIRST PD ADJUSTMENTS TO TEMPS. LUKS LIKE EASTER SUN SHUD BE
SUNNY AND MILD AS TEMPS RECOVER TO 60S AFTR A COOL MORN.
                                                             /9

.TUL...NONE.

In the hours before

Local storm report, Apr 2, 8:06 PM CST, 2 hours 45 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
805 PM CST SAT APR 02 1994

TIME(CST)    COUNTY       EVENT

740 PM       PITTSBURG    NICKLE SIZE HAIL IN PITTSBURG

802 PM       PITTSBURG    QUARTER SIZE HAIL IN KIOWA

Local storm report, Apr 2, 8:52 PM CST, 1 hour 59 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
851 PM CST SAT APR 02 1994

TIME(CST)    COUNTY       EVENT

817 PM       PITTSBURG    QUARTER SIZE HAIL IN KIOWA...COVERED
                          THE GROUND

845 PM       OKMULGEE     NICKLE SIZE HAIL IN OKMULGEE

Local storm report, Apr 2, 9:00 PM CST, 1 hour 51 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
859 PM CST SAT APR 02 1994

TIME(CST)    COUNTY       EVENT

835 PM       LATIMER      QUARTER SIZE HAIL JUST SOUTHWEST OF
                          WILBU@RTON

Local storm report, Apr 2, 9:21 PM CST, 1 hour 30 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
919 PM CST SAT APR 02 1994

TIME(CST)    COUNTY       EVENT

900 PM       MUSKOGEE     DIME SIZE HAIL AT BOYNTON

910 PM       LATIMER      DIME SIZE HAIL AT BENGAL

Local storm report, Apr 2, 9:33 PM CST, 1 hour 18 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
925 PM CST SAT APR 02 1994

TIME(CST)    COUNTY       EVENT

600 PM       CREEK        DAMAGE IN DRUMRIGHT...COOLING TOWER AT THE
                          HOSPITAL WAS BLOWN OFF THE ROOF.  SEVERAL TREES
                          DOWN.  UTILITY LINES WERE DOWNED.
                          A NUMBER OF HOUSES HAD ROOF DAMAGE.

Special weather statement, Apr 2, 10:43 PM CST, 8 minutes before

OKC061-030545-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1041 PM CST (1141 PM CDT) SAT APR 2 1994

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF EASTERN
OKLAHOMA UNTIL MIDNIGHT.

AT 1040 PM A LINE OF STRONG THUNDERSTORMS EXTENDED ACROSS EAST CENTRAL
OKLAHOMA FROM NEAR FORT SMITH TO NEAR KINTA IN HASKELL COUNTY.  THESE
STORMS WERE PRODUCING VERY HEAVY RAIN...SMALL HAIL AND CLOUD TO GROUND
LIGHTNING AS THEY MOVED EAST NORTHEAST AT 30 MPH THROUGH HASKELL COUNTY
BETWEEN NOW AND 1130 PM.

HEAVY RAINS FROM THESE STORMS MAY CAUSE PONDING OF WATER ON ROADWAYS AND
MOTORISTS SHOULD EXERCISE CAUTION.

STAY TUNED TO THIS STATION FOR FURTHER INFORMATION FROM THE NATIONAL
WEATHER SERVICE.

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 2, 6:04 PM CST	Severe Thunderstorm Warning	TSA	Tulsa	56 min
Apr 2, 6:25 PM CST	Severe Thunderstorm Warning	TSA	Rogers	50 min
Apr 2, 6:57 PM CST	Severe Thunderstorm Warning	TSA	Creek, Tulsa	48 min
Apr 2, 7:09 PM CST	Severe Thunderstorm Warning	TSA	Wagoner	51 min
Apr 2, 7:12 PM CST	Severe Thunderstorm Warning	TSA	Pittsburg	63 min
Apr 2, 7:30 PM CST	Tornado Warning	TSA	Pittsburg	30 min
Apr 2, 8:12 PM CST	Severe Thunderstorm Warning	TSA	Latimer, Pittsburg	48 min
Apr 2, 8:37 PM CST	Severe Thunderstorm Warning	TSA	Okmulgee	43 min
Apr 2, 8:48 PM CST	Severe Thunderstorm Warning	TSA	LeFlore	57 min
Apr 2, 8:55 PM CST	Severe Thunderstorm Warning	TSA	Muskogee	50 min
Apr 2, 8:58 PM CST	Severe Thunderstorm Warning	TSA	Latimer	47 min
Apr 2, 10:10 PM CST	Severe Thunderstorm Warning	TSA	LeFlore	65 min
Apr 2, 10:18 PM CST	Severe Thunderstorm Warning	TSA	Creek, Okfuskee	42 min
Apr 2, 10:18 PM CST	Severe Thunderstorm Warning	TSA	Tulsa	30 min
Apr 2, 10:23 PM CST	Severe Thunderstorm Warning	TSA	Okmulgee	46 min
Apr 2, 11:04 PM CST	Severe Thunderstorm Warning	TSA	LeFlore	56 min
Apr 2, 11:05 PM CST	Severe Thunderstorm Warning	TSA	McIntosh	40 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.