Alert archive / Arkansas / Tornado Warnings in 2009
Tornado Warning 30, NWS Tulsa, OK
NWS Tulsa, OK issued this tornado warning at Jun 12, 2009, 11:41 AM CDT for Benton County, Arkansas. It was in force for 49 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
- Jun 12, 2009, 11:41 AM CDT (16:41 UTC)
- Expired
- Jun 12, 2009, 12:30 PM CDT
- In force
- 49 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
County Benton County, AR
The radar
The Tulsa radar (KINX), 115 km from the middle of the area, began a volume at 16:42 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 12, 12:10 PM CDT | TSTM WND GST 85 | Rogers, AR | |
| Jun 12, 12:24 PM CDT | TSTM WND DMG | Bella Vista, AR | TREES AND POWERLINES DOWN. |
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 |
|---|---|---|---|
| Jun 12, 7:46 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 12, 11:35 AM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 4.7 hours before the alert went out and 74 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
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS54 KTSA 121641
TORTSA
ARC007-121730-
/O.NEW.KTSA.TO.W.0030.090612T1641Z-090612T1730Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
1141 AM CDT FRI JUN 12 2009
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* TORNADO WARNING FOR...
NORTHWESTERN BENTON COUNTY IN NORTHWEST ARKANSAS
* UNTIL 1230 PM CDT
* AT 1140 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 5 MILES
NORTHWEST OF GENTRY...MOVING EAST AT 35 MPH.
* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...GENTRY...
DECATUR...GRAVETTE...HIWASSE...BELLA VISTA...BENTONVILLE AND
ROGERS.
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 3629 9408 3625 9458 3640 9460 3650 9433
3650 9417
TIME...MOT...LOC 1641Z 255DEG 31KT 3632 9454
$$3 follow-up statements
000
WWUS54 KTSA 121656
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1156 AM CDT FRI JUN 12 2009
ARC007-121730-
/O.CON.KTSA.TO.W.0030.000000T0000Z-090612T1730Z/
BENTON AR-
1156 AM CDT FRI JUN 12 2009
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 PM CDT FOR CENTRAL
BENTON COUNTY...
AT 1156 AM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS
LOCATED 6 MILES SOUTHEAST OF GRAVETTE...MOVING EAST AT 30 MPH.
SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...VAUGHN...
HIWASSE...CENTERTON...MILLER...BELLA VISTA...BENTONVILLE AND ROGERS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW IF NO
UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE
SUBSTANTIAL SHELTER. AVOID WINDOWS
&&
LAT...LON 3629 9408 3628 9444 3645 9446 3650 9433
3650 9417
TIME...MOT...LOC 1656Z 253DEG 26KT 3635 9441
$$000 WWUS54 KTSA 121711 SVSTSA SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 1211 PM CDT FRI JUN 12 2009 ARC007-121730- /O.CON.KTSA.TO.W.0030.000000T0000Z-090612T1730Z/ BENTON AR- 1211 PM CDT FRI JUN 12 2009 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 PM CDT FOR NORTHERN BENTON COUNTY... AT 1211 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS LOCATED NEAR BELLA VISTA...MOVING NORTHEAST AT 30 MPH. THE WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE INDICATED COUNTY. 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 3636 9411 3633 9423 3650 9427 3650 9417 TIME...MOT...LOC 1711Z 234DEG 28KT 3643 9420 $$
000 WWUS54 KTSA 121729 SVSTSA SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 1229 PM CDT FRI JUN 12 2009 ARC007-121738- /O.EXP.KTSA.TO.W.0030.000000T0000Z-090612T1730Z/ BENTON AR- 1229 PM CDT FRI JUN 12 2009 ...THE TORNADO WARNING FOR NORTHERN BENTON COUNTY EXPIRES AT 1230 PM CDT... THE THUNDERSTORM CIRCULATION THAT PROMPTED THE TORNADO WARNING HAS WEAKENED AND WAS MOVING OUT OF THE WARNED AREA....THEREFORE THE TORNADO WARNING WILL BE ALLOWED TO EXPIRE. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 7 PM. LAT...LON 3636 9411 3633 9423 3650 9427 3650 9417 TIME...MOT...LOC 1728Z 234DEG 28KT 3651 9407 $$
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 11:06 AM CDT | Severe Thunderstorm Warning | TSA | Benton, Washington | 54 min |
| Jun 12, 11:36 AM CDT | Severe Thunderstorm Warning | TSA | Benton, Crawford, Madison, Washington | 54 min |
| Jun 12, 12:05 PM CDT | Severe Thunderstorm Warning | TSA | Sebastian | 55 min |
| Jun 12, 12:16 PM CDT | Severe Thunderstorm Warning | TSA | Crawford, Sebastian | 59 min |
| Jun 12, 12:22 PM CDT | Severe Thunderstorm Warning | TSA | Benton, Carroll, Crawford, Franklin, Madison, Washington | 68 min |
| Jun 12, 12:41 PM CDT | Severe Thunderstorm Warning | TSA | Crawford, Franklin, Sebastian | 47 min |
| Jun 12, 1:04 PM CDT | Tornado Warning | TSA | Franklin | 26 min |
| Jun 12, 1:24 PM CDT | Severe Thunderstorm Warning | TSA | Carroll | 23 min |
Nearby
Tornado Warnings in Arkansas, 2009Every tornado warning in 2009Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.