Alert archive / Arkansas / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 16, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Feb 29, 2012, 1:58 AM CST for Carroll County, Madison County, Arkansas. It was in force for 15 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
- Feb 29, 2012, 1:58 AM CST (07:58 UTC)
- Expired
- Feb 29, 2012, 2:13 AM CST
- In force
- 15 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
Counties Carroll County, AR, Madison County, AR
The radar
The Springfield radar (KSGF), 116 km from the middle of the area, began a volume at 08:00 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 |
|---|---|---|---|
| Feb 28, 10:30 PM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 8.0 hours before the alert went out and 86 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.
641
WUUS54 KTSA 290758
SVRTSA
ARC015-087-290830-
/O.NEW.KTSA.SV.W.0016.120229T0758Z-120229T0830Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
158 AM CST WED FEB 29 2012
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN CARROLL COUNTY IN NORTHWEST ARKANSAS
NORTHEASTERN MADISON COUNTY IN NORTHWEST ARKANSAS
* UNTIL 230 AM CST
* AT 154 AM CST...A SEVERE THUNDERSTORM WAS LOCATED 3 MILES SOUTHWEST
OF RUDD...MOVING EAST AT 60 MPH.
STORM HAZARDS INCLUDE...
WIND GUSTS TO 60 MPH...
* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...OSAGE
AND CARROLLTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH IS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP SUDDENLY FROM SEVERE THUNDERSTORMS. IF YOU ARE NEAR THE PATH
OF THIS STORM...BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS.
TAKE COVER ON THE LOWEST FLOOR IN AN INTERIOR ROOM AND STAY AWAY FROM
WINDOWS.
PEOPLE OUTSIDE SHOULD MOVE TO A SAFE SHELTER...PREFERABLY INSIDE A
STRONG BUILDING. STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
&&
LAT...LON 3611 9330 3612 9347 3610 9347 3610 9359
3626 9363 3636 9330 3636 9329
TIME...MOT...LOC 0758Z 261DEG 53KT 3620 9345
$$1 follow-up statement
592
WWUS54 KTSA 290813
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
213 AM CST WED FEB 29 2012
ARC015-087-290823-
/O.CAN.KTSA.SV.W.0016.000000T0000Z-120229T0830Z/
CARROLL AR-MADISON AR-
213 AM CST WED FEB 29 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MADISON AND
SOUTHEASTERN CARROLL COUNTIES IS CANCELLED...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 5 AM.
LAT...LON 3611 9330 3612 9347 3610 9347 3610 9359
3626 9363 3636 9330 3636 9329
TIME...MOT...LOC 0813Z 261DEG 53KT 3623 9318
$$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, 12:25 AM CST | Tornado Warning | TSA | Benton | 15 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 |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2012Every severe thunderstorm warning 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.