Alert archive / Oklahoma / Tornado Warnings in 2009

Tornado Warning 29, NWS Tulsa, OK

June 12, 2009Craig County, Delaware County, Mayes County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Jun 12, 2009, 11:02 AM CDT for Craig County, Delaware County, Mayes County, Oklahoma. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 12, 2009, 11:02 AM CDT (16:02 UTC)
Expired: Jun 12, 2009, 11:45 AM CDT
In force: 43 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon

Counties Craig County, OK, Delaware County, OK, Mayes County, OK

The radar

The Tulsa radar (KINX), 61 km from the middle of the area, began a volume at 16:03 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 12, 7:46 AM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 4.0 hours before the alert went out and 116 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: 28 J/kg
Mixed-layer CIN: -191 J/kg
Mixed-layer LCL: 843 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: -27 m²/s²
0-3 km storm-relative helicity: 34 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.

000 
WFUS54 KTSA 121602
TORTSA
OKC035-041-097-121645-
/O.NEW.KTSA.TO.W.0029.090612T1602Z-090612T1645Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
1102 AM CDT FRI JUN 12 2009

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN CRAIG COUNTY IN NORTHEAST OKLAHOMA
  WESTERN DELAWARE COUNTY IN NORTHEAST OKLAHOMA
  NORTHEASTERN MAYES COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 1145 AM CDT

* AT 1101 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  POTENTIALLY TORNADIC THUNDERSTORM WITH STRONG LOW LEVEL ROTATION 5
  MILES SOUTHWEST OF PENSACOLA...MOVING NORTHEAST AT 30 MPH. THIS IS
  A DANGEROUS STORM...A TORNADO IS OCCURRING OR COULD FORM AT ANY
  TIME.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...PENSACOLA...
  SPAVINAW...LANGLEY...DISNEY...KETCHUM...CHLOETA...CLEORA...BERNICE
  AND JAY.

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 3664 9492 3641 9478 3632 9517 3644 9521
TIME...MOT...LOC 1602Z 247DEG 25KT 3639 9516

$$

2 follow-up statements

000 
WWUS54 KTSA 121624
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1124 AM CDT FRI JUN 12 2009

OKC035-041-097-121645-
/O.CON.KTSA.TO.W.0029.000000T0000Z-090612T1645Z/
DELAWARE OK-CRAIG OK-MAYES OK-
1124 AM CDT FRI JUN 12 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1145 AM CDT FOR
NORTHEASTERN MAYES...SOUTHEASTERN CRAIG AND WESTERN DELAWARE
COUNTIES...

AT 1122 AM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS
LOCATED NEAR LANGLEY...MOVING NORTHEAST AT 20 MPH.

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...CHLOETA...
DISNEY...KETCHUM...BERNICE...CLEORA...ZENA AND JAY.

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 3638 9511 3648 9515 3664 9492 3642 9478
TIME...MOT...LOC 1624Z 235DEG 16KT 3646 9503

$$

000 
WWUS54 KTSA 121646 RRA
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1146 AM CDT FRI JUN 12 2009

OKC035-041-097-121656-
/O.EXP.KTSA.TO.W.0029.000000T0000Z-090612T1645Z/
DELAWARE OK-CRAIG OK-MAYES OK-
1146 AM CDT FRI JUN 12 2009

...THE TORNADO WARNING FOR NORTHEASTERN MAYES...SOUTHEASTERN CRAIG
AND WESTERN DELAWARE COUNTIES EXPIRES AT 1145 AM CDT...

THE THUNDERSTORM HAS WEAKENED BELOW SEVERE LIMITS...THEREFORE THE 
TORNADO WARNING WILL BE ALLOWED TO EXPIRE.

GUSTY WINDS...SMALL HAIL AND VERY HEAVY RAIN WILL STILL BE POSSIBLE
WITH THIS STORM.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 7 PM.

LAT...LON 3638 9511 3648 9515 3664 9492 3642 9478
TIME...MOT...LOC 1624Z 235DEG 16KT 3646 9503

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 12, 8:24 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	96 min
Jun 12, 9:32 AM CDT	Special Weather Statement	TSA	McIntosh	28 min
Jun 12, 9:33 AM CDT	Severe Thunderstorm Warning	TSA	Creek, Nowata, Okmulgee, Osage, Pawnee, Rogers and 3 more	72 min
Jun 12, 9:46 AM CDT	Areal Flood Advisory	TSA	Osage	59 min
Jun 12, 9:52 AM CDT	Severe Thunderstorm Warning	TSA	Haskell, McIntosh, Pittsburg	38 min
Jun 12, 10:15 AM CDT	Areal Flood Advisory	TSA	Rogers, Tulsa	60 min
Jun 12, 10:19 AM CDT	Severe Thunderstorm Warning	TSA	Cherokee, Delaware, Mayes, Muskogee, Okmulgee, Rogers and 2 more	56 min
Jun 12, 10:25 AM CDT	Severe Thunderstorm Warning	TSA	Haskell, McIntosh, Muskogee, Pittsburg	50 min
Jun 12, 10:35 AM CDT	Severe Thunderstorm Warning	TSA	Creek, Muskogee, Okfuskee, Okmulgee	55 min
Jun 12, 10:46 AM CDT	Severe Thunderstorm Warning	TSA	Creek, Okmulgee, Tulsa	29 min
Jun 12, 10:47 AM CDT	Severe Thunderstorm Warning	TSA	Cherokee, Muskogee, Sequoyah	58 min
Jun 12, 11:06 AM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Delaware, Mayes, Muskogee, Wagoner	54 min
Jun 12, 11:10 AM CDT	Severe Thunderstorm Warning	TSA	Haskell, LeFlore, Sequoyah	65 min
Jun 12, 11:16 AM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Creek, McIntosh, Muskogee, Okfuskee and 3 more	59 min
Jun 12, 11:36 AM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Delaware, Sequoyah	54 min
Jun 12, 11:52 AM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Haskell, LeFlore, McIntosh, Muskogee and 3 more	68 min
Jun 12, 12:05 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore, Sequoyah	55 min
Jun 12, 12:16 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, LeFlore, Sequoyah	59 min

Nearby

Tornado Warnings in Oklahoma, 2009 Every tornado warning in 2009 Tornadoes in 2009

Sources

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