Alert archive / Oklahoma / Tornado Warnings in 2011
Tornado Warning 109, NWS Tulsa, OK
NWS Tulsa, OK issued this tornado warning at Oct 22, 2011, 6:27 PM CDT for Okfuskee County, Oklahoma. It was in force for 33 min. 3 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, 6:27 PM CDT (23:27 UTC)
- Expired
- Oct 22, 2011, 7:00 PM CDT
- In force
- 33 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
County Okfuskee County, OK
The radar
The Norman radar (KTLX), 83 km from the middle of the area, began a volume at 23:29 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 22, 6:27 PM CDT | HAIL 1.75 | 4 Nne Boley, OK | |
| Oct 22, 6:41 PM CDT | HAIL 2.75 | 3 W Boley, OK | |
| Oct 22, 7:10 PM CDT | TSTM WND DMG | Okemah, OK | EMERGENCY MANAGER REPORTED TREES AND POWER LINES DOWN IN AND SOUTH OF TOWN |
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, 11.5 hours before the alert went out and 97 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.
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
942
WFUS54 KTSA 222327
TORTSA
OKC107-230000-
/O.NEW.KTSA.TO.W.0109.111022T2327Z-111023T0000Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
627 PM CDT SAT OCT 22 2011
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* TORNADO WARNING FOR...
OKFUSKEE COUNTY IN EAST CENTRAL OKLAHOMA
* UNTIL 700 PM CDT
* AT 626 PM CDT...NWS METEOROLOGISTS AND STORM SPOTTERS WERE TRACKING
A VERY DANGEROUS TORNADO LOCATED 2 MILES NORTHEAST OF BOLEY...
MOVING EAST AT 30 MPH. A TORNADO HAS BEEN CONFIRMED...TAKE COVER
NOW!
* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
CASTLE...OKEMAH...PHAROAH...CLEARVIEW AND WELEETKA.
THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 215 AND 231.
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 3563 9653 3553 9609 3545 9608 3533 9614
3542 9645 3545 9645 3545 9648 3543 9648
3546 9660
TIME...MOT...LOC 2327Z 289DEG 26KT 3552 9646
$$1 follow-up statement
634
WWUS54 KTSA 222351
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
651 PM CDT SAT OCT 22 2011
OKC107-230000-
/O.CON.KTSA.TO.W.0109.000000T0000Z-111023T0000Z/
OKFUSKEE OK-
651 PM CDT SAT OCT 22 2011
...TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR CENTRAL
OKFUSKEE COUNTY...
AT 649 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO LOCATED NEAR CASTLE...
MOVING EAST AT 30 MPH.
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...PHAROAH...
CLEARVIEW AND OKEMAH.
THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 215 AND 231.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW! IF NO
UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE
SUBSTANTIAL SHELTER. AVOID WINDOWS!
IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING
BASEBALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS. IF NO
UNDERGROUND SHELTER IS AVAILABLE TAKE COVER ON THE LOWEST FLOOR IN
AN INTERIOR ROOM AWAY FROM WINDOWS.
&&
LAT...LON 3561 9643 3553 9609 3547 9608 3544 9608
3533 9614 3542 9645 3545 9645 3545 9648
3543 9648 3546 9660
TIME...MOT...LOC 2351Z 289DEG 26KT 3544 9640
$$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, 6:32 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 |
| Oct 22, 6:46 PM CDT | Tornado Warning | TSA | Okfuskee | 29 min |
Nearby
Tornado Warnings in Oklahoma, 2011Every tornado warning in 2011Tornadoes 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.