Alert archive / Oklahoma / Tornado Warnings in 2012

Tornado Warning 10, NWS Tulsa, OK

April 15, 2012Adair County, Cherokee County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Apr 15, 2012, 9:16 AM CDT for Adair County, Cherokee County, Oklahoma. It was in force for 29 min. 4 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 15, 2012, 9:16 AM CDT (14:16 UTC)
Expired
Apr 15, 2012, 9:45 AM CDT
In force
29 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon

Counties Adair County, OK, Cherokee County, OK

The radar

The Western Arkansas radar (KSRX), 71 km from the middle of the area, began a volume at 14:18 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
Apr 15, 9:20 AM CDTTSTM WND DMG6 Se Tahlequah, OKPATH OF SIGNIFICANT TREE DAMAGE, WITH SOME HOME DAMAGE, EXTENDING FROM CARTERS LANDING, NORTHEAST TOWARD ETTABEND, ACROSS HWY 51 NEAR TITANIC. PROBABLE TORNADO. TIME ESTIMATED BY RADAR.
Apr 15, 9:20 AM CDTTORNADOEldon, OKEMERGENCY MANAGER FLEW TRACK OF TORNADO IN SOUTHEAST CHEROKEE COUNTY WITH KOTV...STARTING NEAR CARTERS LANDING AND ENDING NORTHEAST OF ELDON A SHORT DISTANCE. PATH WIDTH ABOUT 100 YARDS WIDE. BROKEN PATH OF DAMAGE WITH MULTIPLE TOUCHDOWNS SEEN. NO INJURIES REP
Apr 15, 9:25 AM CDTTSTM WND DMG6 Se Tahlequah, OKTREE DAMAGE ON EAST SIDE OF TENKILLER LAKE. POSSIBLE TORNADO. TIME ESTIMATED BY RADAR.
Apr 15, 9:30 AM CDTTSTM WND DMG3 Se Eldon, OKAT HWY 51 AND COUNTY LINE. MOBILE HOME, BARN, AND TREE DAMAGE. POSSIBLE TORNADO. 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
Apr 15, 6:38 AM CDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 2.3 hours before the alert went out and 145 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, Springfield, MO at 12:00Z on 2012-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 31 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, Springfield, MO at 12:00Z on 2012-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 319 square meters per square second.1939587897Sfc1 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
31 J/kg
Mixed-layer CIN
-142 J/kg
Mixed-layer LCL
855 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
319 m²/s²
0-3 km storm-relative helicity
381 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.

756 
WFUS54 KTSA 151416
TORTSA
OKC001-021-151445-
/O.NEW.KTSA.TO.W.0010.120415T1416Z-120415T1445Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
916 AM CDT SUN APR 15 2012

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN CHEROKEE COUNTY IN EAST CENTRAL OKLAHOMA
  CENTRAL ADAIR COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 945 AM CDT

* AT 913 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 5 MILES WEST OF COOKSON...MOVING NORTHEAST AT
  45 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...CHEROKEE
  LANDING STATE PARK...ELDON...MARIETTA...STILWELL...PROCTOR...ADAIR
  STATE PARK...WESTVILLE...CHRISTIE AND BARON.

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 3595 9452 3587 9451 3563 9495 3564 9501
      3575 9513 3610 9463
TIME...MOT...LOC 1417Z 231DEG 39KT 3574 9496

$$
2 follow-up statements
359 
WWUS54 KTSA 151428
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
928 AM CDT SUN APR 15 2012

OKC001-021-151445-
/O.CON.KTSA.TO.W.0010.000000T0000Z-120415T1445Z/
CHEROKEE OK-ADAIR OK-
928 AM CDT SUN APR 15 2012

...TORNADO WARNING REMAINS IN EFFECT UNTIL 945 AM CDT FOR NORTHERN
ADAIR AND EASTERN CHEROKEE COUNTIES...

AT 924 AM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO LOCATED NEAR CHEROKEE
LANDING STATE PARK...MOVING NORTHEAST AT 45 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...ELDON...
PROCTOR...CHRISTIE...WESTVILLE AND BARON.

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 3609 9464 3605 9459 3596 9453 3571 9485
      3584 9501
TIME...MOT...LOC 1428Z 225DEG 41KT 3584 9485

$$
869 
WWUS54 KTSA 151436
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
936 AM CDT SUN APR 15 2012

OKC001-021-151445-
/O.CON.KTSA.TO.W.0010.000000T0000Z-120415T1445Z/
CHEROKEE OK-ADAIR OK-
936 AM CDT SUN APR 15 2012

...TORNADO WARNING REMAINS IN EFFECT UNTIL 945 AM CDT FOR NORTHERN
ADAIR AND EASTERN CHEROKEE COUNTIES...

AT 934 AM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO LOCATED NEAR ELDON...
MOVING NORTHEAST AT 45 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...PROCTOR
AND CHRISTIE.

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!

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW! IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

&&

LAT...LON 3599 9457 3577 9479 3588 9496 3606 9468
TIME...MOT...LOC 1436Z 218DEG 37KT 3590 9481

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 15, 12:40 AM CDTWind AdvisoryTSACreek, Okfuskee, Okmulgee, Pawnee, Tulsa, Washington3 hr
Apr 15, 3:41 AM CDTSevere Thunderstorm WarningTSAOsage, Pawnee64 min
Apr 15, 4:43 AM CDTSevere Thunderstorm WarningTSACreek, Osage, Pawnee62 min
Apr 15, 5:05 AM CDTSpecial Weather StatementTSACreek55 min
Apr 15, 5:30 AM CDTSevere Thunderstorm WarningTSACreek, Nowata, Osage, Pawnee, Rogers, Tulsa and 1 more60 min
Apr 15, 5:47 AM CDTSpecial Weather StatementTSAOkfuskee, Okmulgee, Rogers, Tulsa58 min
Apr 15, 5:51 AM CDTTornado WarningTSANowata, Osage, Rogers, Tulsa, Washington24 min
Apr 15, 6:22 AM CDTSevere Thunderstorm WarningTSACraig, Mayes, Nowata, Ottawa, Rogers53 min
Apr 15, 6:41 AM CDTSpecial Weather StatementTSAMayes, Okmulgee, Wagoner64 min
Apr 15, 6:43 AM CDTSpecial Weather StatementTSAMcIntosh, Pittsburg62 min
Apr 15, 7:41 AM CDTSpecial Weather StatementTSADelaware34 min
Apr 15, 7:44 AM CDTSpecial Weather StatementTSAMcIntosh, Muskogee, Pittsburg, Wagoner31 min
Apr 15, 8:13 AM CDTSpecial Weather StatementTSACherokee, Delaware, Muskogee62 min
Apr 15, 8:14 AM CDTSpecial Weather StatementTSAHaskell, Latimer, Pittsburg, Pushmataha, Sequoyah61 min
Apr 15, 9:13 AM CDTSevere Thunderstorm WarningTSAAdair, Cherokee, Muskogee62 min
Apr 15, 9:42 AM CDTTornado WarningTSAAdair33 min
Apr 15, 11:28 AM CDTSpecial Weather StatementTSALeFlore62 min
Apr 15, 12:42 PM CDTRiver Flood WarningTSARogers, Tulsa7 hr

Nearby

Tornado Warnings in Oklahoma, 2012Every tornado warning in 2012Tornadoes in 2012

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.