Alert archive / Arkansas / Tornado Warnings in 2012
Tornado Warning 11, NWS Tulsa, OK
NWS Tulsa, OK issued this tornado warning at Apr 15, 2012, 9:42 AM CDT for Benton County, Washington County, Arkansas; Adair County, Oklahoma. It was in force for 33 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
- Apr 15, 2012, 9:42 AM CDT (14:42 UTC)
- Expired
- Apr 15, 2012, 10:15 AM CDT
- In force
- 33 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
Counties Benton County, AR, Washington County, AR, Adair County, OK
The radar
The Tulsa radar (KINX), 89 km from the middle of the area, began a volume at 14:42 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 |
|---|---|---|---|
| Apr 15, 6:38 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 2.7 hours before the alert went out and 114 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
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
893
WFUS54 KTSA 151442
TORTSA
ARC007-143-OKC001-151515-
/O.NEW.KTSA.TO.W.0011.120415T1442Z-120415T1515Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
942 AM CDT SUN APR 15 2012
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* TORNADO WARNING FOR...
NORTHERN ADAIR COUNTY IN NORTHEAST OKLAHOMA
SOUTHWESTERN BENTON COUNTY IN NORTHWEST ARKANSAS
WESTERN WASHINGTON COUNTY IN NORTHWEST ARKANSAS
* UNTIL 1015 AM CDT
* AT 938 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED 4 MILES SOUTH OF PROCTOR...MOVING NORTHEAST AT
40 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...
CHRISTIE...WESTVILLE...CINCINNATI...WATTS AND SILOAM SPRINGS.
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 3613 9430 3583 9479 3595 9480 3600 9480
3617 9458 3616 9457 3618 9457 3626 9445
TIME...MOT...LOC 1442Z 225DEG 35KT 3593 9475
$$1 follow-up statement
351
WWUS54 KTSA 151455
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
955 AM CDT SUN APR 15 2012
ARC007-143-OKC001-151515-
/O.CON.KTSA.TO.W.0011.000000T0000Z-120415T1515Z/
BENTON AR-WASHINGTON AR-ADAIR OK-
955 AM CDT SUN APR 15 2012
...TORNADO WARNING REMAINS IN EFFECT UNTIL 1015 AM CDT FOR
NORTHEASTERN ADAIR...WESTERN WASHINGTON AND SOUTHWESTERN BENTON
COUNTIES...
AT 951 AM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO LOCATED 6 MILES WEST OF
WESTVILLE...MOVING NORTHEAST AT 35 MPH. DAMAGE HAS BEEN REPORTED
FROM THIS STORM IN CHEROKEE COUNTY.
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
WESTVILLE...BALLARD...CINCINNATI...WATTS...LAKE FRANCIS...
WEDINGTON...GALLITIN...SILOAM SPRINGS AND FAIRMOUNT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW! IF NO
UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE
SUBSTANTIAL SHELTER. AVOID WINDOWS!
&&
LAT...LON 3625 9445 3612 9432 3593 9463 3592 9465
3604 9474 3616 9458 3616 9457 3618 9457
3624 9448 3626 9446
TIME...MOT...LOC 1455Z 231DEG 31KT 3600 9465
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 9:13 AM CDT | Severe Thunderstorm Warning | TSA | Benton, Washington | 62 min |
| Apr 15, 10:13 AM CDT | Severe Thunderstorm Warning | TSA | Benton, Carroll, Washington | 24 min |
| Apr 15, 11:28 AM CDT | Special Weather Statement | TSA | Sebastian | 62 min |
| Apr 15, 12:25 PM CDT | Severe Thunderstorm Warning | TSA | Benton, Madison, Washington | 35 min |
| Apr 15, 12:29 PM CDT | Special Weather Statement | TSA | Crawford | 31 min |
| Apr 15, 1:04 PM CDT | Special Weather Statement | TSA | Carroll | 26 min |
| Apr 15, 1:14 PM CDT | Special Weather Statement | TSA | Washington | 31 min |
| Apr 15, 1:19 PM CDT | Severe Thunderstorm Warning | TSA | Benton, Carroll, Washington | 26 min |
| Apr 15, 1:48 PM CDT | Special Weather Statement | TSA | Franklin | 27 min |
| Apr 15, 1:53 PM CDT | Special Weather Statement | TSA | Carroll, Madison | 52 min |
| Apr 15, 2:10 PM CDT | Special Weather Statement | TSA | Franklin | 35 min |
| Apr 15, 2:32 PM CDT | Special Weather Statement | TSA | Carroll, Madison | 43 min |
| Apr 15, 12:40 AM CDT | Wind Advisory | TSA | Creek, Okfuskee, Okmulgee, Pawnee, Tulsa, Washington | 3 hr |
| Apr 15, 3:41 AM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 64 min |
| Apr 15, 4:43 AM CDT | Severe Thunderstorm Warning | TSA | Creek, Osage, Pawnee | 62 min |
| Apr 15, 5:05 AM CDT | Special Weather Statement | TSA | Creek | 55 min |
| Apr 15, 5:30 AM CDT | Severe Thunderstorm Warning | TSA | Creek, Nowata, Osage, Pawnee, Rogers, Tulsa and 1 more | 60 min |
| Apr 15, 5:47 AM CDT | Special Weather Statement | TSA | Okfuskee, Okmulgee, Rogers, Tulsa | 58 min |
| Apr 15, 5:51 AM CDT | Tornado Warning | TSA | Nowata, Osage, Rogers, Tulsa, Washington | 24 min |
| Apr 15, 6:22 AM CDT | Severe Thunderstorm Warning | TSA | Craig, Mayes, Nowata, Ottawa, Rogers | 53 min |
| Apr 15, 6:41 AM CDT | Special Weather Statement | TSA | Mayes, Okmulgee, Wagoner | 64 min |
| Apr 15, 6:43 AM CDT | Special Weather Statement | TSA | McIntosh, Pittsburg | 62 min |
| Apr 15, 7:41 AM CDT | Special Weather Statement | TSA | Delaware | 34 min |
| Apr 15, 7:44 AM CDT | Special Weather Statement | TSA | McIntosh, Muskogee, Pittsburg, Wagoner | 31 min |
| Apr 15, 8:13 AM CDT | Special Weather Statement | TSA | Cherokee, Delaware, Muskogee | 62 min |
| Apr 15, 8:14 AM CDT | Special Weather Statement | TSA | Haskell, Latimer, Pittsburg, Pushmataha, Sequoyah | 61 min |
| Apr 15, 9:16 AM CDT | Tornado Warning | TSA | Adair, Cherokee | 29 min |
| Apr 15, 12:42 PM CDT | River Flood Warning | TSA | Rogers, Tulsa | 7 hr |
Nearby
Tornado Warnings in Arkansas, 2012Tornado 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.