Alert archive / Oklahoma / Tornado Warnings in 2011

Tornado Warning 110, NWS Tulsa, OK

October 22, 2011Okfuskee County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Oct 22, 2011, 6:46 PM CDT for Okfuskee County, Oklahoma. It was in force for 29 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Oct 22, 2011, 6:46 PM CDT (23:46 UTC)
Expired: Oct 22, 2011, 7:15 PM CDT
In force: 29 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon

County Okfuskee County, OK

The radar

The Norman radar (KTLX), 88 km from the middle of the area, began a volume at 23:46 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 22, 6:50 PM CDT	HAIL 2.75	Cromwell, OK	WINDSHIELD DAMAGE WAS REPORTED TO SEVERAL VEHICLES.
Oct 22, 6:55 PM CDT	HAIL 2	2 Nne Bearden, OK

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

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 22, 3:37 PM CDT	Severe Thunderstorm Watch	SPC	14 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 11.8 hours before the alert went out and 101 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: 138 J/kg
Mixed-layer CIN: -205 J/kg
Mixed-layer LCL: 1045 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 92 m²/s²
0-3 km storm-relative helicity: 121 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.6

Open this sounding in Storm Lab

The text

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

092 
WFUS54 KTSA 222346
TORTSA
OKC107-230015-
/O.NEW.KTSA.TO.W.0110.111022T2346Z-111023T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
646 PM CDT SAT OCT 22 2011

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN OKFUSKEE COUNTY IN EAST CENTRAL OKLAHOMA

* UNTIL 715 PM CDT

* AT 644 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 6 MILES NORTHWEST OF BEARDEN...MOVING SOUTHEAST
  AT 20 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...BEARDEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE 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!

&&

LAT...LON 3533 9614 3528 9616 3529 9645 3542 9645
      3544 9648
TIME...MOT...LOC 2347Z 295DEG 18KT 3540 9645

$$

1 follow-up statement

774 
WWUS54 KTSA 222355
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
655 PM CDT SAT OCT 22 2011

OKC107-230015-
/O.CON.KTSA.TO.W.0110.000000T0000Z-111023T0015Z/
OKFUSKEE OK-
655 PM CDT SAT OCT 22 2011

...TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR SOUTHERN
OKFUSKEE COUNTY...

AT 653 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO LOCATED NEAR BEARDEN...
MOVING SOUTHEAST AT 20 MPH.

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...BEARDEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE 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!

IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
BASEBALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS. IF NO 
UNDERGROUND SHELTER IS AVAILABLE TAKE COVER ON THE LOWEST FLOOR IN 
AN INTERIOR ROOM AWAY FROM WINDOWS.

&&

LAT...LON 3533 9614 3528 9616 3529 9645 3542 9645
      3544 9648
TIME...MOT...LOC 2355Z 295DEG 18KT 3539 9641

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 22, 4:55 PM CDT	Special Weather Statement	TSA	Osage	65 min
Oct 22, 5:28 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee	62 min
Oct 22, 5:31 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	59 min
Oct 22, 6:09 PM CDT	Severe Thunderstorm Warning	TSA	Okfuskee	66 min
Oct 22, 6:27 PM CDT	Tornado Warning	TSA	Okfuskee	33 min
Oct 22, 6:32 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee, Rogers, Tulsa	58 min
Oct 22, 6:40 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okmulgee, Osage, Pawnee, Rogers, Tulsa and 1 more	65 min

Nearby

Tornado Warnings in Oklahoma, 2011 Every tornado warning in 2011 Tornadoes in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.