Alert archive / Oklahoma / Tornado Warnings in 2016

Tornado Warning 30, NWS Tulsa, OK

May 9, 2016Choctaw County, Oklahoma

NWS Tulsa, OK issued this tornado warning at May 9, 2016, 6:12 PM CDT for Choctaw County, Oklahoma. It was in force for 48 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
May 9, 2016, 6:12 PM CDT (23:12 UTC)
Expired
May 9, 2016, 7:00 PM CDT
In force
48 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.75 in

County Choctaw County, OK

The radar

The Western Arkansas radar (KSRX), 196 km from the middle of the area, began a volume at 23:15 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

TimeReportWhereRemark
May 9, 6:30 PM CDTTORNADO 32 Sw Boswell, OK*** 2 INJ *** LOTS OF TREE DAMAGE ON PIGEON ROOST ROAD SOUTHWEST OF BOSWELL. TIME ESTIMATED BY RADAR. UPDATE 5/10/16 TWO KNOWN INJURIES...ONE FROM A DESTROYED MOBILE HOME. STORM SURVEY TEAM HAS ASSIGNED A PRELIMINARY EF3 RATING WITH MAX WINDS IN THE 135 TO 145
May 9, 6:30 PM CDTTORNADO2 Sw Boswell, OK*** 2 INJ *** LOTS OF TREE DAMAGE ON PIGEON ROOST ROAD SOUTHWEST OF BOSWELL. TIME ESTIMATED BY RADAR. UPDATE 5/10/16 TWO KNOWN INJURIES...ONE FROM A DESTROYED MOBILE HOME.
May 9, 6:30 PM CDTTORNADO2 Sw Boswell, OKLOTS OF TREE DAMAGE ON PIGEON ROOST ROAD SOUTHWEST OF BOSWELL. TIME ESTIMATED BY RADAR.

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.

IssuedProductOfficeLasted
May 9, 2:36 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 11.2 hours before the alert went out and 190 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-pSkew-T log-p diagram, Fort Worth, TX at 12:00Z on 2016-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 128 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 12:00Z on 2016-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 465 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
128 J/kg
Mixed-layer CIN
-238 J/kg
Mixed-layer LCL
706 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
465 m²/s²
0-3 km storm-relative helicity
489 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

As transmitted.

409 
WFUS54 KTSA 092312
TORTSA
OKC023-100000-
/O.NEW.KTSA.TO.W.0030.160509T2312Z-160510T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
612 PM CDT MON MAY 9 2016

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN CHOCTAW COUNTY IN SOUTHEASTERN OKLAHOMA...

* UNTIL 700 PM CDT
    
* AT 612 PM CDT...A SEVERE THUNDERSTORM WITH STRONG LOW LEVEL ROTATION
  THAT COULD PRODUCE A TORNADO AT ANY TIME WAS LOCATED 3 MILES SOUTH
  OF BENNINGTON...MOVING EAST AT 35 MPH.

  HAZARD...TORNADO AND GOLF BALL SIZE HAIL. 

  SOURCE...RADAR INDICATED ROTATION. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. 
           DAMAGE TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  TREE 
           DAMAGE IS LIKELY. 

* LOCATIONS IN OR NEAR THE PATH INCLUDE...
  BOSWELL...                        SOPER...
  KENT...                           GOODLAND...
  SPEER...                          GAY...
  UNGER...                          

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER
AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3387 9584 3391 9588 3392 9591 3394 9594
      3412 9594 3414 9595 3416 9556 3389 9552
      3388 9554 3393 9556 3394 9560 3392 9561
      3391 9564 3391 9567 3389 9569 3388 9571
      3390 9575 3387 9577
TIME...MOT...LOC 2312Z 263DEG 28KT 3396 9605 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

69
3 follow-up statements
261 
WWUS54 KTSA 092324
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
624 PM CDT MON MAY 9 2016

OKC023-100000-
/O.CON.KTSA.TO.W.0030.000000T0000Z-160510T0000Z/
CHOCTAW OK-
624 PM CDT MON MAY 9 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR WESTERN
CHOCTAW COUNTY...
    
AT 623 PM CDT...A SEVERE THUNDERSTORM WITH STRONG LOW LEVEL ROTATION
THAT COULD PRODUCE A TORNADO AT ANY TIME WAS LOCATED NEAR BOSWELL...
MOVING EAST AT 30 MPH.

HAZARD...TORNADO AND GOLF BALL SIZE HAIL. 

SOURCE...RADAR INDICATED ROTATION. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE 
         TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  TREE DAMAGE IS 
         LIKELY. 

LOCATIONS IN OR NEAR THE PATH INCLUDE...
BOSWELL...                        SOPER...
KENT...                           GOODLAND...
SPEER...                          GAY...
UNGER...                          

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER
AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3387 9584 3391 9588 3392 9591 3394 9594
      3412 9594 3414 9595 3416 9556 3389 9552
      3388 9554 3393 9556 3394 9560 3392 9561
      3391 9564 3391 9567 3389 9569 3388 9571
      3390 9575 3387 9577
TIME...MOT...LOC 2323Z 266DEG 26KT 3402 9592 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

69
531 
WWUS54 KTSA 092337
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
637 PM CDT MON MAY 9 2016

OKC023-100000-
/O.CON.KTSA.TO.W.0030.000000T0000Z-160510T0000Z/
CHOCTAW OK-
637 PM CDT MON MAY 9 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR WESTERN
CHOCTAW COUNTY...
    
AT 636 PM CDT...A CONFIRMED LARGE AND EXTREMELY DANGEROUS TORNADO WAS
LOCATED NEAR BOSWELL...MOVING EAST AT 25 MPH.

THIS IS A PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...DAMAGING TORNADO. 

SOURCE...LAW ENFORCEMENT CONFIRMED TORNADO. 

IMPACT...YOU ARE IN A LIFE-THREATENING SITUATION. FLYING DEBRIS MAY 
         BE DEADLY TO THOSE CAUGHT WITHOUT SHELTER. MOBILE HOMES 
         WILL BE DESTROYED. CONSIDERABLE DAMAGE TO HOMES...
         BUSINESSES...AND VEHICLES IS LIKELY AND COMPLETE DESTRUCTION 
         IS POSSIBLE. 

LOCATIONS IN OR NEAR THE PATH INCLUDE...
BOSWELL...                        SOPER...
KENT...                           GOODLAND...
SPEER...                          GAY...
UNGER...                          

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A LARGE...EXTREMELY DANGEROUS AND POTENTIALLY DEADLY
TORNADO IS ON THE GROUND. TO PROTECT YOUR LIFE...TAKE COVER NOW! MOVE
TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY
BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A MOBILE HOME...OR IN
A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3394 9585 3409 9591 3416 9556 3392 9552
      3394 9560 3392 9561 3391 9564 3391 9567
TIME...MOT...LOC 2336Z 270DEG 23KT 3401 9582 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...1.75IN

$$

69
443 
WWUS54 KTSA 092349
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
649 PM CDT MON MAY 9 2016

OKC023-100000-
/O.CON.KTSA.TO.W.0030.000000T0000Z-160510T0000Z/
CHOCTAW OK-
649 PM CDT MON MAY 9 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR CENTRAL
CHOCTAW COUNTY...
    
AT 649 PM CDT...A CONFIRMED TORNADO WAS LOCATED OVER SOPER...MOVING
EAST AT 35 MPH.

HAZARD...DAMAGING TORNADO AND GOLF BALL SIZE HAIL. 

SOURCE...LAW ENFORCEMENT CONFIRMED TORNADO. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE 
         TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  TREE DAMAGE IS 
         LIKELY. 

LOCATIONS IN OR NEAR THE PATH INCLUDE...
SOPER...                          KENT...
GOODLAND...                       SPEER...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW! MOVE TO A
BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY
BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A MOBILE HOME...OR IN
A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3397 9574 3412 9576 3416 9556 3395 9553
TIME...MOT...LOC 2349Z 266DEG 31KT 3401 9567 

TORNADO...OBSERVED
HAIL...1.75IN

$$

69

The office that day

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

IssuedProductOfficeCountiesLasted
May 8, 9:30 PM CDTSpecial Weather StatementTSAOkfuskee30 min
May 8, 11:48 PM CDTSpecial Weather StatementTSAHaskell, McIntosh, Muskogee, Okmulgee27 min
May 9, 12:08 AM CDTSpecial Weather StatementTSACherokee, Haskell, Mayes, Muskogee, Sequoyah, Wagoner52 min
May 9, 6:07 PM CDTSevere Thunderstorm WarningTSAPawnee23 min
May 9, 6:28 PM CDTTornado WarningTSAPawnee32 min
May 9, 6:32 PM CDTSevere Thunderstorm WarningTSAPawnee28 min
May 9, 6:42 PM CDTSpecial Weather StatementTSAOsage48 min
May 9, 6:45 PM CDTSpecial Weather StatementTSAPushmataha45 min
May 9, 6:45 PM CDTTornado WarningTSAPawnee19 min
May 9, 6:47 PM CDTSpecial Weather StatementTSALatimer43 min
May 9, 6:52 PM CDTSevere Thunderstorm WarningTSAPawnee38 min
May 9, 6:53 PM CDTTornado Warning Tornado observedTSAChoctaw52 min

Nearby

Tornado Warnings in Oklahoma, 2016Every tornado warning in 2016Tornadoes in 2016

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.