Alert archive / Oklahoma / Tornado Warnings in 1991

Tornado Warning 21, NWS Tulsa, OK

October 24, 1991Creek County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Oct 24, 1991, 2:13 AM CDT for Creek County, Oklahoma. It was in force for 47 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Oct 24, 1991, 2:13 AM CDT (07:13 UTC)
Expired: Oct 24, 1991, 3:00 AM CDT
In force: 47 min
Issued by: NWS Tulsa, OK
Area: Whole counties

County Creek County, OK

What was reported inside it

Time	Report	Where	Remark
Oct 24, 2:30 AM CDT	Thunderstorm Wind 56	Creek, OK

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 7.2 hours before the alert went out and 120 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: 2213 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 1230 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 74 m²/s²
0-3 km storm-relative helicity: 161 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 240713
TORTUL
OKC037-240800-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
213 AM CDT THU OCT 24 1991
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  300 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES ...
 
IN NORTHEAST OKLAHOMA
 
   ...NORTHERN CREEK COUNTY
 
AT 210 AM RADAR INDICATED A TORNADO 1 MILE SOUTH OF DRUMRIGHT.
THE TORNADO AND THE ACCOMPANYING SEVERE STORM WERE MOVING NORTHEAST
AT 25 MILES AN HOUR.
 
 
THIS IS A DANGEROUS STORM SITUATION.  ACT QUICKLY.  IF YOU ARE IN THE
PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF AVAILABLE.
OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE.
STAY AWAY FROM OUTSIDE WALLS AND AVOID WINDOWS.  ABANDON CARS AND
MOBILE HOMES FOR A REINFORCED BUILDING OR GET IN A GROUND DEPRESSION.

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 24, 1:30 AM CDT	Severe Thunderstorm Warning	TSA	Creek	45 min
Oct 24, 2:43 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee, Tulsa	47 min
Oct 24, 3:14 AM CDT	Severe Thunderstorm Warning	TSA	Tulsa, Washington	46 min
Oct 24, 7:49 AM CDT	Severe Thunderstorm Warning	TSA	Tulsa, Wagoner	41 min
Oct 24, 8:05 AM CDT	Severe Thunderstorm Warning	TSA	Rogers	40 min
Oct 24, 8:52 AM CDT	Severe Thunderstorm Warning	TSA	Tulsa, Wagoner	53 min
Oct 24, 12:20 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	40 min
Oct 24, 12:44 PM CDT	Severe Thunderstorm Warning	TSA	Haskell	61 min
Oct 24, 1:15 PM CDT	Tornado Warning	TSA	Haskell	45 min
Oct 24, 1:48 PM CDT	Severe Thunderstorm Warning	TSA	Sequoyah	57 min
Oct 24, 1:55 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	50 min
Oct 24, 2:47 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	58 min
Oct 24, 3:10 PM CDT	Severe Thunderstorm Warning	TSA	Haskell	50 min
Oct 24, 3:56 PM CDT	Severe Thunderstorm Warning	TSA	Tulsa	49 min
Oct 24, 4:03 PM CDT	Severe Thunderstorm Warning	TSA	Rogers, Tulsa	42 min
Oct 24, 4:11 PM CDT	Tornado Warning	TSA	Rogers, Tulsa	34 min
Oct 24, 4:40 PM CDT	Severe Thunderstorm Warning	TSA	Tulsa, Wagoner	50 min
Oct 24, 4:46 PM CDT	Tornado Warning	TSA	Rogers	44 min
Oct 24, 5:05 PM CDT	Severe Thunderstorm Warning	TSA	Okmulgee	55 min
Oct 24, 5:28 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Mayes, Rogers	47 min
Oct 24, 5:33 PM CDT	Severe Thunderstorm Warning	TSA	Mayes	42 min
Oct 24, 5:55 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee	50 min
Oct 24, 6:05 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	55 min
Oct 24, 6:31 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh	44 min
Oct 24, 6:44 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee	46 min

Nearby

Tornado Warnings in Oklahoma, 1991 Every tornado warning in 1991 Tornadoes in 1991

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.