Alert archive / Arkansas / Tornado Warnings in 2012

Tornado Warning 2, NWS Tulsa, OK

February 29, 2012Carroll County, Madison County, Washington County, Arkansas

NWS Tulsa, OK issued this tornado warning at Feb 29, 2012, 1:28 AM CST for Carroll County, Madison County, Washington County, Arkansas. It was in force for 32 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, 1:28 AM CST (07:28 UTC)
Expired
Feb 29, 2012, 2:00 AM CST
In force
32 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon

Counties Carroll County, AR, Madison County, AR, Washington County, AR

The radar

The Western Arkansas radar (KSRX), 111 km from the middle of the area, began a volume at 07:30 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

TimeReportWhereRemark
Feb 29, 2:00 AM CSTHAIL 1.52 Sw Kingston, AR

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.

IssuedProductOfficeLasted
Feb 28, 10:30 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 7.5 hours before the alert went out and 84 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.

Skew-T log-pSkew-T log-p diagram, Springfield, MO at 00:00Z on 2012-02-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 75 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2012-02-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 482 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

148 
WFUS54 KTSA 290728
TORTSA
ARC015-087-143-290800-
/O.NEW.KTSA.TO.W.0002.120229T0728Z-120229T0800Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
128 AM CST WED FEB 29 2012

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN CARROLL COUNTY IN NORTHWEST ARKANSAS
  NORTHERN MADISON COUNTY IN NORTHWEST ARKANSAS
  NORTHEASTERN WASHINGTON COUNTY IN NORTHWEST ARKANSAS

* UNTIL 200 AM CST

* AT 124 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 8 MILES NORTHWEST OF WESLEY...MOVING EAST AT 60
  MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
  WESLEY...HINDSVILLE...CLIFTY...HUNTSVILLE...WITHROW SPRINGS STATE
  PARK...FORUM...MARBLE...KINGSTON AND RUDD.

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 3603 9408 3618 9410 3624 9389 3623 9388
      3624 9387 3635 9348 3612 9345 3612 9347
      3609 9347 3608 9344 3602 9344
TIME...MOT...LOC 0728Z 265DEG 52KT 3612 9395

$$
2 follow-up statements
099 
WWUS54 KTSA 290741
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
141 AM CST WED FEB 29 2012

ARC143-290752-
/O.CAN.KTSA.TO.W.0002.000000T0000Z-120229T0800Z/
WASHINGTON AR-
141 AM CST WED FEB 29 2012

...THE TORNADO WARNING FOR NORTHEASTERN WASHINGTON COUNTY IS
CANCELLED...

LAT...LON 3603 9384 3624 9386 3635 9348 3612 9345
      3612 9347 3609 9347 3608 9344 3602 9344
TIME...MOT...LOC 0742Z 265DEG 52KT 3614 9373

$$

ARC015-087-290800-
/O.CON.KTSA.TO.W.0002.000000T0000Z-120229T0800Z/
CARROLL AR-MADISON AR-
141 AM CST WED FEB 29 2012

...TORNADO WARNING REMAINS IN EFFECT UNTIL 200 AM CST FOR NORTHERN
MADISON AND SOUTHERN CARROLL COUNTIES...

AT 137 AM CST...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO LOCATED NEAR WITHROW
SPRINGS STATE PARK...MOVING EAST AT 60 MPH.

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...ALABAM...
ROCKHOUSE...MARBLE...KINGSTON...METALTON...CABANAL...DRYFORK AND
RUDD.

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 3603 9384 3624 9386 3635 9348 3612 9345
      3612 9347 3609 9347 3608 9344 3602 9344
TIME...MOT...LOC 0742Z 265DEG 52KT 3614 9373

$$
699 
WWUS54 KTSA 290800
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
200 AM CST WED FEB 29 2012

ARC015-087-290810-
/O.EXP.KTSA.TO.W.0002.000000T0000Z-120229T0800Z/
CARROLL AR-MADISON AR-
200 AM CST WED FEB 29 2012

...THE TORNADO WARNING FOR NORTHERN MADISON AND SOUTHERN CARROLL
COUNTIES EXPIRES AT 200 AM CST...

LAT...LON 3603 9384 3624 9386 3635 9348 3612 9345
      3612 9347 3609 9347 3608 9344 3602 9344
TIME...MOT...LOC 0800Z 265DEG 52KT 3616 9341

$$

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 28, 11:53 PM CSTSevere Thunderstorm WarningTSABenton52 min
Feb 29, 12:25 AM CSTTornado WarningTSABenton15 min
Feb 29, 12:36 AM CSTSevere Thunderstorm WarningTSAWashington39 min
Feb 29, 12:56 AM CSTSevere Thunderstorm WarningTSABenton, Washington33 min
Feb 29, 1:09 AM CSTSevere Thunderstorm WarningTSAMadison, Washington33 min
Feb 29, 1:45 AM CSTSpecial Weather StatementTSAWashington30 min
Feb 29, 1:56 AM CSTSevere Thunderstorm WarningTSAMadison34 min
Feb 29, 1:58 AM CSTSevere Thunderstorm WarningTSACarroll, Madison15 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.