Alert archive / Arkansas / Tornado Warnings in 2012
Tornado Warning 7, NWS Tulsa, OK
NWS Tulsa, OK issued this tornado warning at Mar 19, 2012, 9:57 PM CDT for Crawford County, Washington County, Arkansas. It was in force for 33 min. 3 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
- Mar 19, 2012, 9:57 PM CDT (02:57 UTC)
- Expired
- Mar 19, 2012, 10:30 PM CDT
- In force
- 33 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
Counties Crawford County, AR, Washington County, AR
The radar
The Western Arkansas radar (KSRX), 48 km from the middle of the area, began a volume at 02:58 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 |
|---|---|---|---|
| Mar 19, 10:00 PM CDT | TSTM WND DMG | Cedarville, AR | TREES DOWN AND BUILDINGS DESTROYED. POSSIBLE TORNADO. |
| Mar 19, 10:05 PM CDT | TSTM WND DMG | Cedarville, AR | 3 FOOT DIAMETER TREE DOWN AT AR HWY 220 EAST AND LUCIAN WOOD ROAD NEAR CEDARVILLE. |
| Mar 19, 10:15 PM CDT | TSTM WND DMG | Chester, AR | TREES DOWN. TIME ESTIMATED. |
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 |
|---|---|---|---|
| Mar 19, 6:53 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 3.0 hours before the alert went out and 139 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
- 173 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 1207 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 221 m²/s²
- 0-3 km storm-relative helicity
- 369 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 3.0
The text
As transmitted, in the capitals the NWS used until 2016.
802
WFUS54 KTSA 200257
TORTSA
ARC033-143-200330-
/O.NEW.KTSA.TO.W.0007.120320T0257Z-120320T0330Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
957 PM CDT MON MAR 19 2012
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* TORNADO WARNING FOR...
NORTHERN CRAWFORD COUNTY IN NORTHWEST ARKANSAS
SOUTHEASTERN WASHINGTON COUNTY IN NORTHWEST ARKANSAS
* UNTIL 1030 PM CDT
* AT 954 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED 3 MILES WEST OF CEDARVILLE...MOVING NORTHEAST
AT 40 MPH.
* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...NATURAL
DAM...LEE CREEK...MOUNTAINBURG...DEVILS DEN STATE PARK...CHESTER...
LAKE FORT SMITH...BLACKBURN...WINSLOW AND BRENTWOOD.
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 3567 9399 3566 9402 3566 9407 3564 9407
3552 9445 3576 9449 3590 9407
TIME...MOT...LOC 0257Z 241DEG 33KT 3560 9439
$$1 follow-up statement
138
WWUS54 KTSA 200311
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1011 PM CDT MON MAR 19 2012
ARC033-143-200330-
/O.CON.KTSA.TO.W.0007.000000T0000Z-120320T0330Z/
CRAWFORD AR-WASHINGTON AR-
1011 PM CDT MON MAR 19 2012
...TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT FOR SOUTHERN
WASHINGTON AND NORTHEASTERN CRAWFORD COUNTIES...
AT 1007 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO LOCATED 7 MILES WEST OF
MOUNTAINBURG...MOVING NORTHEAST AT 40 MPH.
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
MOUNTAINBURG...DEVILS DEN STATE PARK...CHESTER...LAKE FORT SMITH...
BLACKBURN...LOCKE...WINSLOW...MOUNT GAYLER...WYOLA AND BRENTWOOD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW! IF NO
UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE
SUBSTANTIAL SHELTER. AVOID WINDOWS!
&&
LAT...LON 3567 9399 3566 9402 3566 9407 3564 9407
3556 9431 3580 9437 3590 9407
TIME...MOT...LOC 0311Z 241DEG 33KT 3566 9425
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 19, 9:41 PM CDT | Flash Flood Warning | TSA | Benton, Crawford, Sebastian, Washington | 6 hr |
| Mar 19, 9:44 PM CDT | Severe Thunderstorm Warning | TSA | Crawford, Franklin, Madison, Sebastian, Washington | 61 min |
| Mar 19, 10:41 PM CDT | Severe Thunderstorm Warning | TSA | Benton, Carroll, Crawford, Franklin, Madison, Sebastian and 1 more | 64 min |
| Mar 19, 10:47 PM CDT | Areal Flood Advisory | TSA | Benton, Carroll, Crawford, Franklin, Madison, Sebastian and 1 more | 118 min |
| Mar 20, 2:05 AM CDT | Flash Flood Warning | TSA | Benton, Carroll, Crawford, Franklin, Madison, Washington | 12 hr |
| Mar 20, 2:09 AM CDT | Flash Flood Warning | TSA | Crawford, Franklin, Sebastian | 12 hr |
| Mar 20, 10:47 AM CDT | River Flood Warning | TSA | Crawford, Sebastian | 50 hr |
| Mar 20, 11:13 AM CDT | River Flood Warning | TSA | Crawford | 16 hr |
| Mar 20, 1:51 PM CDT | Flash Flood Warning | TSA | Crawford, Franklin, Sebastian | 8 hr |
| Mar 20, 1:55 PM CDT | Flash Flood Warning | TSA | Benton, Carroll, Crawford, Franklin, Madison, Washington | 8 hr |
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.