Alert archive / Oklahoma / Tornado Warnings in 2011

Tornado Warning 25, NWS Tulsa, OK

April 14, 2011Latimer County, LeFlore County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Apr 14, 2011, 8:29 PM CDT for Latimer County, LeFlore County, Oklahoma. It was in force for 46 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: Apr 14, 2011, 8:29 PM CDT (01:29 UTC)
Expired: Apr 14, 2011, 9:15 PM CDT
In force: 46 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon

Counties Latimer County, OK, LeFlore County, OK

The radar

The Western Arkansas radar (KSRX), 76 km from the middle of the area, began a volume at 01:31 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
Apr 14, 8:31 PM CDT	TSTM WND DMG	1 W Talihina, OK	POWER LINES AND TREES DOWNED ON WEST SIDE OF TOWN. OTHER POSSIBLE DAMAGE BUT UNABLE TO SURVEY DUE TO DEBRIS.
Apr 14, 9:23 PM CDT	TORNADO	3 Sse Wister, OK	* 3 INJ * A TORNADO ROLLED AND DESTROYED A MOBILE HOME...DAMAGED SEVERAL PERMANENT HOMES...AND SNAPPED OR UPROOTED A NUMBER OF TREES. THE RATING WILL BE EF-1 WITH MAXIMUM WIND SPEEDS OF ABOUT 105 MPH. THE TORNADO LIFTED ABOUT 3 MILES SOUTH OF POTEAU.
Apr 14, 9:24 PM CDT	HAIL 1.75	Wister, 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
Apr 14, 2:28 PM CDT	Tornado Watch PDS	SPC	7 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 1.5 hours before the alert went out and 222 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 4948 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 20 m²/s²
0-3 km storm-relative helicity: 146 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.

826 
WFUS54 KTSA 150129
TORTSA
OKC077-079-150215-
/O.NEW.KTSA.TO.W.0025.110415T0129Z-110415T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
829 PM CDT THU APR 14 2011

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN LATIMER COUNTY IN SOUTHEAST OKLAHOMA
  NORTHERN LE FLORE COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 915 PM CDT

* AT 827 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 6 MILES WEST OF TALIHINA...MOVING NORTHEAST AT
  35 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
  TALIHINA...BENGAL...FANSHAWE...WISTER AND HOWE.

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 3479 9523 3518 9477 3496 9454 3469 9507
      3469 9516
TIME...MOT...LOC 0129Z 227DEG 32KT 3474 9513

$$

1 follow-up statement

377 
WWUS54 KTSA 150156
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
856 PM CDT THU APR 14 2011

OKC077-150206-
/O.CAN.KTSA.TO.W.0025.000000T0000Z-110415T0215Z/
LATIMER OK-
856 PM CDT THU APR 14 2011

...THE TORNADO WARNING FOR EASTERN LATIMER COUNTY IS CANCELLED...

LAT...LON 3484 9500 3494 9499 3495 9498 3496 9492
      3502 9492 3518 9477 3496 9454 3476 9495
TIME...MOT...LOC 0156Z 227DEG 32KT 3489 9496

$$

OKC079-150215-
/O.CON.KTSA.TO.W.0025.000000T0000Z-110415T0215Z/
LE FLORE OK-
856 PM CDT THU APR 14 2011

...TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR NORTHERN LE
FLORE COUNTY...

AT 854 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO LOCATED 6 MILES WEST OF
SUMMERFIELD...MOVING NORTHEAST AT 35 MPH.

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
SUMMERFIELD...FANSHAWE...WISTER AND HOWE.

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 3484 9500 3494 9499 3495 9498 3496 9492
      3502 9492 3518 9477 3496 9454 3476 9495
TIME...MOT...LOC 0156Z 227DEG 32KT 3489 9496

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 14, 7:01 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee, Okmulgee, Tulsa, Wagoner	44 min
Apr 14, 7:09 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Delaware, Mayes	51 min
Apr 14, 7:36 PM CDT	Severe Thunderstorm Warning	TSA	Delaware	39 min
Apr 14, 7:39 PM CDT	Severe Thunderstorm Warning	TSA	Mayes, Muskogee, Rogers, Wagoner	51 min
Apr 14, 7:47 PM CDT	Tornado Warning	TSA	Haskell, Latimer, Pittsburg	43 min
Apr 14, 7:48 PM CDT	Tornado Warning	TSA	Delaware	42 min
Apr 14, 7:54 PM CDT	Tornado Warning	TSA	Delaware	36 min
Apr 14, 7:55 PM CDT	Tornado Warning	TSA	Latimer, Pittsburg, Pushmataha	65 min
Apr 14, 8:15 PM CDT	Severe Thunderstorm Warning	TSA	Delaware, Ottawa	45 min
Apr 14, 8:20 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, LeFlore, Pushmataha	55 min
Apr 14, 8:20 PM CDT	Tornado Warning	TSA	Cherokee, Mayes, Wagoner	40 min
Apr 14, 8:27 PM CDT	Severe Thunderstorm Warning	TSA	Creek	63 min
Apr 14, 8:27 PM CDT	Tornado Warning	TSA	Haskell, Latimer, LeFlore	48 min
Apr 14, 8:29 PM CDT	Special Weather Statement	TSA	Tulsa	31 min
Apr 14, 8:33 PM CDT	Tornado Warning	TSA	Haskell, Latimer, LeFlore	42 min
Apr 14, 8:38 PM CDT	Tornado Warning	TSA	Latimer, Pittsburg	28 min
Apr 14, 8:40 PM CDT	Tornado Warning	TSA	Haskell, Latimer, Pittsburg	35 min
Apr 14, 9:00 PM CDT	Tornado Warning	TSA	Latimer, Pittsburg, Pushmataha	30 min
Apr 14, 9:06 PM CDT	Special Weather Statement	TSA	Okmulgee	24 min
Apr 14, 9:14 PM CDT	Tornado Warning	TSA	LeFlore	61 min
Apr 14, 9:21 PM CDT	Tornado Warning	TSA	Latimer	39 min
Apr 14, 9:26 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Mayes, Muskogee, Okmulgee, Tulsa, Wagoner	64 min
Apr 14, 9:26 PM CDT	Tornado Warning	TSA	Latimer, LeFlore, Pushmataha	64 min
Apr 14, 9:41 PM CDT	Special Weather Statement	TSA	Pittsburg	34 min
Apr 14, 9:48 PM CDT	Tornado Warning	TSA	LeFlore, Sequoyah	42 min
Apr 14, 9:58 PM CDT	Tornado Warning	TSA	Wagoner	32 min
Apr 14, 10:00 PM CDT	Severe Thunderstorm Warning	TSA	Mayes, Rogers, Wagoner	30 min
Apr 14, 10:11 PM CDT	Severe Thunderstorm Warning	TSA	Latimer, Pittsburg, Pushmataha	37 min
Apr 14, 10:14 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee, Mayes, Rogers, Wagoner	46 min
Apr 14, 10:17 PM CDT	Tornado Warning	TSA	LeFlore	58 min
Apr 14, 10:26 PM CDT	Tornado Warning	TSA	Choctaw, Pushmataha	34 min
Apr 14, 10:30 PM CDT	Tornado Warning	TSA	LeFlore	45 min
Apr 14, 10:36 PM CDT	Areal Flood Advisory	TSA	LeFlore, Pushmataha, Sequoyah	114 min
Apr 14, 10:44 PM CDT	Severe Thunderstorm Warning	TSA	Latimer, LeFlore, Pushmataha	46 min
Apr 14, 10:50 PM CDT	Special Weather Statement	TSA	Delaware	40 min
Apr 14, 10:56 PM CDT	Special Weather Statement	TSA	Ottawa	19 min
Apr 15, 4:12 AM CDT	Wind Advisory	TSA	Choctaw, Creek, Haskell, Latimer, McIntosh, Muskogee and 10 more	21 hr

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.