Alert archive / Arkansas / Tornado Warnings in 2012
Tornado Warning 1, NWS Tulsa, OK
NWS Tulsa, OK issued this tornado warning at Feb 29, 2012, 12:25 AM CST for Benton County, Arkansas. It was in force for 15 min. 1 report 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
- Feb 29, 2012, 12:25 AM CST (06:25 UTC)
- Expired
- Feb 29, 2012, 12:40 AM CST
- In force
- 15 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
County Benton County, AR
The radar
The Springfield radar (KSGF), 107 km from the middle of the area, began a volume at 06:28 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 |
|---|---|---|---|
| Feb 29, 12:37 AM CST | TSTM WND DMG | 2 N Pea Ridge, AR | 30 INCH DIA TREE BLOWN 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 |
|---|---|---|---|
| Feb 28, 10:30 PM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 6.4 hours before the alert went out and 57 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
- 75 J/kg
- Mixed-layer CIN
- -196 J/kg
- Mixed-layer LCL
- 595 m above ground
- 0-6 km bulk shear
- 76 kt
- 0-1 km storm-relative helicity
- 482 m²/s²
- 0-3 km storm-relative helicity
- 563 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.4
The text
As transmitted, in the capitals the NWS used until 2016.
368
WFUS54 KTSA 290625
TORTSA
ARC007-290700-
/O.NEW.KTSA.TO.W.0001.120229T0625Z-120229T0700Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
1225 AM CST WED FEB 29 2012
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* TORNADO WARNING FOR...
NORTHERN BENTON COUNTY IN NORTHWEST ARKANSAS
* UNTIL 100 AM CST
* AT 1220 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED 4 MILES NORTHEAST OF GRAVETTE...MOVING EAST AT
70 MPH.
* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...BELLA
VISTA...PEA RIDGE...GARFIELD AND GATEWAY.
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 3639 9388 3638 9445 3650 9449 3651 9393
3650 9387
TIME...MOT...LOC 0625Z 260DEG 60KT 3649 9432
$$2 follow-up statements
038
WWUS54 KTSA 290632
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1232 AM CST WED FEB 29 2012
ARC007-290700-
/O.CON.KTSA.TO.W.0001.000000T0000Z-120229T0700Z/
BENTON AR-
1232 AM CST WED FEB 29 2012
...TORNADO WARNING REMAINS IN EFFECT UNTIL 100 AM CST FOR
NORTHEASTERN BENTON COUNTY...
AT 1229 AM CST...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO LOCATED NEAR BELLA
VISTA...MOVING EAST AT 70 MPH.
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...PEA
RIDGE...WALNUT HILL...HILL TOP...GARFIELD AND GATEWAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW! IF NO
UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE
SUBSTANTIAL SHELTER. AVOID WINDOWS!
&&
LAT...LON 3640 9388 3643 9434 3650 9435 3651 9393
3650 9387
TIME...MOT...LOC 0633Z 260DEG 60KT 3650 9417
$$633
WWUS54 KTSA 290640
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1240 AM CST WED FEB 29 2012
ARC007-290651-
/O.CAN.KTSA.TO.W.0001.000000T0000Z-120229T0700Z/
BENTON AR-
1240 AM CST WED FEB 29 2012
...THE TORNADO WARNING FOR NORTHEASTERN BENTON COUNTY IS CANCELLED...
THE THUNDERSTORM HAS MOVED OUT OF THE WARNED AREA AND WEAKENED BELOW
SEVERE LIMITS...THEREFORE THE TORNADO WARNING HAS BEEN CANCELLED.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 5 AM.
LAT...LON 3640 9388 3643 9434 3650 9435 3651 9393
3650 9387
TIME...MOT...LOC 0641Z 260DEG 60KT 3652 9401
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 28, 11:53 PM CST | Severe Thunderstorm Warning | TSA | Benton | 52 min |
| Feb 29, 12:36 AM CST | Severe Thunderstorm Warning | TSA | Washington | 39 min |
| Feb 29, 12:56 AM CST | Severe Thunderstorm Warning | TSA | Benton, Washington | 33 min |
| Feb 29, 1:09 AM CST | Severe Thunderstorm Warning | TSA | Madison, Washington | 33 min |
| Feb 29, 1:28 AM CST | Tornado Warning | TSA | Carroll, Madison, Washington | 32 min |
| Feb 29, 1:45 AM CST | Special Weather Statement | TSA | Washington | 30 min |
| Feb 29, 1:56 AM CST | Severe Thunderstorm Warning | TSA | Madison | 34 min |
| Feb 29, 1:58 AM CST | Severe Thunderstorm Warning | TSA | Carroll, Madison | 15 min |
Nearby
Tornado Warnings in Arkansas, 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.