Alert archive / Oklahoma / Tornado Warnings in 1999

Tornado Warning 101, NWS Tulsa, OK

November 22, 1999Nowata County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Nov 22, 1999, 6:31 PM CST for Nowata County, Oklahoma. It was in force for 29 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: Nov 22, 1999, 6:31 PM CST (00:31 UTC)
Expired: Nov 22, 1999, 7:00 PM CST
In force: 29 min
Issued by: NWS Tulsa, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Nowata County, OK

What was reported inside it

Time	Report	Where	Remark
Nov 22, 6:50 PM CST	Thunderstorm Wind	South Coffeyville, OK	Numerous trees and power lines were blown down. Several metal sheds were destroyed.

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
Nov 22, 5:30 PM CST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Lamont, OK (KLMN), launched 00:00Z, 0.5 hours before the alert went out and 160 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: 312 J/kg
Mixed-layer CIN: -48 J/kg
Mixed-layer LCL: 546 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 34 m²/s²
0-3 km storm-relative helicity: 106 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KTSA 230032
TORTUL
OKC105-230100-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
631 PM CST MON NOV 22 1999

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR
  NORTHERN NOWATA COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 700 PM CST

* AT 631 PM CST...RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG
  ROTATION 7 MILES SOUTH OF WANN. MOVING NORTHEAST AT 30 MPH...THIS
  DANGEROUS STORM COULD PRODUCE A TORNADO AT ANY TIME.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...  WANN

IF YOU ARE IN OR NEAR THE PATH OF THIS STORM...TAKE COVER NOW! IF NO
UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE
SUBSTANTIAL SHELTER. AVOID WINDOWS!

NIGHTTIME TORNADOES ARE ESPECIALLY DANGEROUS - TAKE COVER NOW! IF YOU
WAIT UNTIL YOU SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A
SAFE PLACE!

LAT...LON 3687 9585 3678 9581 3696 9543 3717 9566

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 22, 6:12 PM CST	Tornado Warning	TSA	Tulsa	33 min
Nov 22, 6:14 PM CST	Severe Thunderstorm Warning	TSA	Nowata, Washington	46 min
Nov 22, 6:22 PM CST	Tornado Warning	TSA	Rogers	38 min
Nov 22, 6:24 PM CST	Severe Thunderstorm Warning	TSA	Pushmataha	51 min
Nov 22, 6:24 PM CST	Tornado Warning	TSA	Washington	36 min
Nov 22, 6:38 PM CST	Severe Thunderstorm Warning	TSA	Okfuskee, Okmulgee	52 min
Nov 22, 6:38 PM CST	Severe Thunderstorm Warning	TSA	Tulsa	52 min
Nov 22, 6:47 PM CST	Tornado Warning	TSA	Okfuskee, Okmulgee	28 min
Nov 22, 7:02 PM CST	Severe Thunderstorm Warning	TSA	Rogers	43 min
Nov 22, 7:14 PM CST	Severe Thunderstorm Warning	TSA	Rogers, Tulsa, Wagoner	46 min
Nov 22, 7:14 PM CST	Severe Thunderstorm Warning	TSA	Pushmataha	31 min
Nov 22, 7:20 PM CST	Tornado Warning	TSA	Okmulgee	25 min
Nov 22, 7:23 PM CST	Tornado Warning	TSA	Pushmataha	37 min
Nov 22, 7:25 PM CST	Tornado Warning	TSA	Rogers, Tulsa, Wagoner	35 min
Nov 22, 7:40 PM CST	Severe Thunderstorm Warning	TSA	Pittsburg	35 min
Nov 22, 7:47 PM CST	Severe Thunderstorm Warning	TSA	Craig, Nowata	43 min
Nov 22, 7:49 PM CST	Severe Thunderstorm Warning	TSA	Creek, Okfuskee, Okmulgee	41 min
Nov 22, 7:56 PM CST	Severe Thunderstorm Warning	TSA	Craig, Mayes	49 min
Nov 22, 7:58 PM CST	Severe Thunderstorm Warning	TSA	Nowata, Rogers, Tulsa	47 min
Nov 22, 7:58 PM CST	Severe Thunderstorm Warning	TSA	Creek, Osage	47 min
Nov 22, 8:09 PM CST	Severe Thunderstorm Warning	TSA	Craig, Ottawa	51 min
Nov 22, 8:22 PM CST	Severe Thunderstorm Warning	TSA	Rogers	23 min
Nov 22, 8:22 PM CST	Tornado Warning	TSA	Rogers	23 min
Nov 22, 8:32 PM CST	Severe Thunderstorm Warning	TSA	McIntosh, Okfuskee, Okmulgee	43 min
Nov 22, 8:32 PM CST	Severe Thunderstorm Warning	TSA	Mayes, Muskogee, Rogers, Tulsa, Wagoner	43 min
Nov 22, 8:32 PM CST	Severe Thunderstorm Warning	TSA	Craig, Nowata	43 min
Nov 22, 8:36 PM CST	Tornado Warning	TSA	Mayes	24 min
Nov 22, 9:01 PM CST	Severe Thunderstorm Warning	TSA	Pittsburg	59 min
Nov 22, 9:04 PM CST	Severe Thunderstorm Warning	TSA	Mayes, Rogers, Wagoner	41 min
Nov 22, 9:04 PM CST	Severe Thunderstorm Warning	TSA	Craig, Delaware, Ottawa	41 min
Nov 22, 9:14 PM CST	Severe Thunderstorm Warning	TSA	McIntosh	61 min
Nov 22, 9:44 PM CST	Severe Thunderstorm Warning	TSA	Craig, Delaware, Ottawa	46 min
Nov 22, 9:52 PM CST	Severe Thunderstorm Warning	TSA	Pittsburg	53 min
Nov 22, 9:57 PM CST	Severe Thunderstorm Warning	TSA	Muskogee	48 min
Nov 22, 10:00 PM CST	Severe Thunderstorm Warning	TSA	Cherokee, Mayes, Wagoner	45 min
Nov 22, 10:24 PM CST	Severe Thunderstorm Warning	TSA	Cherokee	51 min
Nov 22, 10:30 PM CST	Severe Thunderstorm Warning	TSA	Delaware, Ottawa	30 min
Nov 22, 10:43 PM CST	Severe Thunderstorm Warning	TSA	Haskell, Latimer	62 min
Nov 22, 11:11 PM CST	Severe Thunderstorm Warning	TSA	Cherokee, Sequoyah	49 min
Nov 22, 11:37 PM CST	Severe Thunderstorm Warning	TSA	Adair	53 min
Nov 22, 11:56 PM CST	Severe Thunderstorm Warning	TSA	Sequoyah	49 min

Nearby

Tornado Warnings in Oklahoma, 1999 Every tornado warning in 1999 Tornadoes in 1999

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.