Alert archive / Oklahoma / Tornado Warnings in 1997

Tornado Warning 54, NWS Tulsa, OK

October 8, 1997Osage County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Oct 8, 1997, 8:26 PM CDT for Osage County, Oklahoma. It was in force for 49 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 8, 1997, 8:26 PM CDT (01:26 UTC)
Expired: Oct 8, 1997, 9:15 PM CDT
In force: 49 min
Issued by: NWS Tulsa, OK
Area: Whole counties

County Osage County, OK

The radar

The Tulsa radar (KINX), 90 km from the middle of the area, began a volume at 01:29 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.

What was reported inside it

Time	Report	Where	Remark
Oct 8, 9:00 PM CDT	Thunderstorm Wind 52	Burbank, 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Oct 8, 5:45 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 1.4 hours before the alert went out and 181 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: 2384 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 800 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 138 m²/s²
0-3 km storm-relative helicity: 192 m²/s²
Significant tornado parameter: 1.7
Supercell composite: 9.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTUL 090127 RRA
TORTUL
OKC113-090215-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
826 PM CDT WED OCT 8 1997
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  915 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST OKLAHOMA
 
   ...NORTHERN OSAGE COUNTY
 
AT 825 PM RADAR INDICATED A POSSIBLE TORNADO 1 MILE WEST OF BURBANK. THE
STORM MAY ALSO CONTAIN GOLFBALL SIZED HAIL. THE STORM WAS MOVING TO THE
NORTHEAST AT 20 MPH. BURBANK...SHIDLER AND FORAKER ARE IN THE PATH OF
THIS STORM.  PEOPLE IN BURBANK SHOULD TAKE SHELTER NOW!
 
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.
 
KEEP TUNED TO THIS STATION FOR THE LATEST WEATHER BULLETINS.

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 8, 7:46 PM CDT	Tornado Warning	TSA	Osage	44 min
Oct 8, 8:31 PM CDT	Severe Thunderstorm Warning	TSA	Creek	59 min
Oct 8, 9:34 PM CDT	Severe Thunderstorm Warning	TSA	Creek	41 min
Oct 8, 10:08 PM CDT	Severe Thunderstorm Warning	TSA	Creek	52 min
Oct 8, 10:44 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okmulgee, Tulsa	61 min
Oct 8, 11:29 PM CDT	Severe Thunderstorm Warning	TSA	Wagoner	61 min
Oct 8, 11:49 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee	56 min
Oct 9, 1:29 AM CDT	Severe Thunderstorm Warning	TSA	Muskogee	46 min
Oct 9, 2:17 AM CDT	Flash Flood Warning	TSA	Muskogee	3 hr
Oct 9, 2:30 AM CDT	Severe Thunderstorm Warning	TSA	Adair	45 min
Oct 9, 2:43 AM CDT	Severe Thunderstorm Warning	TSA	Sequoyah	32 min

Nearby

Tornado Warnings in Oklahoma, 1997 Every tornado warning in 1997 Tornadoes in 1997

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; radar from the NEXRAD Level II archive.