Alert archive / Oklahoma / Tornado Warnings in 2011
Tornado Warning 40, NWS Tulsa, OK
NWS Tulsa, OK issued this tornado warning at Apr 19, 2011, 3:58 PM CDT for Pushmataha County, Oklahoma. It was in force for 62 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
- Apr 19, 2011, 3:58 PM CDT (20:58 UTC)
- Expired
- Apr 19, 2011, 5:00 PM CDT
- In force
- 62 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
County Pushmataha County, OK
The radar
The Western Arkansas radar (KSRX), 150 km from the middle of the area, began a volume at 20:58 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 19, 4:20 PM CDT | HAIL 1.75 | 10 Wnw Eubanks, OK | 2 SOUTH OF DAISY |
| Apr 19, 4:30 PM CDT | HAIL 2 | 8 W Eubanks, 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 19, 2:16 PM CDT | Tornado Watch | SPC | 10 hr |
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 9.0 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.
- Mixed-layer CAPE
- 2660 J/kg
- Mixed-layer CIN
- -211 J/kg
- Mixed-layer LCL
- 1094 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 558 m²/s²
- 0-3 km storm-relative helicity
- 577 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 11.5
The text
As transmitted, in the capitals the NWS used until 2016.
320
WFUS54 KTSA 192058
TORTSA
OKC127-192200-
/O.NEW.KTSA.TO.W.0040.110419T2058Z-110419T2200Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
358 PM CDT TUE APR 19 2011
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* TORNADO WARNING FOR...
CENTRAL PUSHMATAHA COUNTY IN SOUTHEAST OKLAHOMA
* UNTIL 500 PM CDT
* AT 353 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED 16 MILES WEST OF MOYERS...MOVING EAST AT 30
MPH. THIS IS A DANGEROUS STORM WITH STRONG LOW LEVEL ROTATION...A
TORNADO IS OCCURRING OR COULD FORM AT ANY TIME.
* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
MOYERS...KOSOMA...DUNBAR...STANLEY AND SNOW.
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 3431 9579 3451 9579 3452 9578 3452 9568
3453 9567 3457 9539 3431 9533
TIME...MOT...LOC 2058Z 267DEG 25KT 3441 9588
$$3 follow-up statements
684
WWUS54 KTSA 192118
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
418 PM CDT TUE APR 19 2011
OKC127-192200-
/O.CON.KTSA.TO.W.0040.000000T0000Z-110419T2200Z/
PUSHMATAHA OK-
418 PM CDT TUE APR 19 2011
...TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR CENTRAL
PUSHMATAHA COUNTY...
AT 412 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO LOCATED 11 MILES
NORTHWEST OF MOYERS...MOVING EAST AT 20 MPH. THIS IS A DANGEROUS
STORM WITH STRONG LOW LEVEL ROTATION...A TORNADO IS OCCURRING OR
COULD FORM AT ANY TIME.
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM
INCLUDE...MOYERS...KOSOMA...EUBANKS...DUNBAR...STANLEY...SNOW AND
FINLEY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW! IF NO
UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE
SUBSTANTIAL SHELTER. AVOID WINDOWS!
&&
LAT...LON 3431 9579 3451 9579 3452 9578 3452 9568
3453 9567 3457 9539 3431 9533
TIME...MOT...LOC 2117Z 265DEG 17KT 3442 9578
$$541
WWUS54 KTSA 192133
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
433 PM CDT TUE APR 19 2011
OKC127-192200-
/O.CON.KTSA.TO.W.0040.000000T0000Z-110419T2200Z/
PUSHMATAHA OK-
433 PM CDT TUE APR 19 2011
...TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR CENTRAL
PUSHMATAHA COUNTY...
AT 430 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO LOCATED NEAR
EUBANKS...MOVING EAST-NORTHEAST AT 30 MPH. THIS IS A DANGEROUS STORM
WITH STRONG LOW LEVEL ROTATION...A TORNADO IS OCCURRING OR COULD
FORM AT ANY TIME.
AT 420 PM...GOLFBALL SIZE HAIL WAS REPORTED 2 MILES SOUTH OF DAISY.
THIS STORM IS CAPABLE OF PRODUCING HAIL UP TO BASEBALL SIZE.
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...EUBANKS...
FINLEY...DUNBAR...SNOW AND STANLEY.
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 3431 9579 3451 9579 3452 9578 3452 9568
3453 9567 3457 9539 3431 9533
TIME...MOT...LOC 2132Z 246DEG 27KT 3447 9563
$$485
WWUS54 KTSA 192148
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
448 PM CDT TUE APR 19 2011
OKC127-192200-
/O.CON.KTSA.TO.W.0040.000000T0000Z-110419T2200Z/
PUSHMATAHA OK-
448 PM CDT TUE APR 19 2011
...TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR CENTRAL
PUSHMATAHA COUNTY...
AT 444 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO LOCATED NEAR KOSOMA...
MOVING EAST AT 30 MPH. THIS IS A DANGEROUS STORM WITH STRONG LOW
LEVEL ROTATION...A TORNADO IS OCCURRING OR COULD FORM AT ANY TIME.
HAIL UP TO BASEBALL SIZE IS ALSO EXPECTED WITH THIS SEVERE STORM.
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...EUBANKS...
DUNBAR...FINLEY...STANLEY AND SNOW.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING
BASEBALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS. IF NO
UNDERGROUND SHELTER IS AVAILABLE TAKE COVER ON THE LOWEST FLOOR IN
AN INTERIOR ROOM AWAY FROM WINDOWS.
&&
LAT...LON 3431 9579 3438 9578 3452 9568 3453 9567
3457 9539 3431 9533
TIME...MOT...LOC 2147Z 263DEG 24KT 3438 9559
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 19, 3:46 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg, Pushmataha | 59 min |
| Apr 19, 4:12 PM CDT | Special Weather Statement | TSA | Sequoyah | 33 min |
| Apr 19, 4:55 PM CDT | Tornado Warning | TSA | Pushmataha | 65 min |
| Apr 19, 5:01 PM CDT | Special Weather Statement | TSA | Choctaw | 59 min |
| Apr 19, 5:40 PM CDT | Severe Thunderstorm Warning | TSA | Latimer, Pushmataha | 35 min |
| Apr 19, 5:51 PM CDT | Tornado Warning | TSA | LeFlore, Pushmataha | 54 min |
| Apr 19, 6:07 PM CDT | Severe Thunderstorm Warning | TSA | Latimer, LeFlore, Pushmataha | 53 min |
| Apr 19, 6:44 PM CDT | Tornado Warning | TSA | LeFlore | 31 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.