Alert archive / Arkansas / Tornado Warnings in 2014

Tornado Warning 10, NWS Tulsa, OK

October 2, 2014Benton County, Arkansas

NWS Tulsa, OK issued this tornado warning at Oct 2, 2014, 3:15 PM CDT for Benton County, Arkansas. It was in force for 28 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: Oct 2, 2014, 3:15 PM CDT (20:15 UTC)
Expired: Oct 2, 2014, 3:43 PM CDT
In force: 28 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

County Benton County, AR

The radar

The Tulsa radar (KINX), 117 km from the middle of the area, began a volume at 20:19 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
Oct 2, 12:20 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 8.3 hours before the alert went out and 69 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2054 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 689 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 285 m²/s²
0-3 km storm-relative helicity: 281 m²/s²
Significant tornado parameter: 2.3
Supercell composite: 11.6

Open this sounding in Storm Lab

The text

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

832 
WFUS54 KTSA 022015
TORTSA
ARC007-022100-
/O.NEW.KTSA.TO.W.0010.141002T2015Z-141002T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
315 PM CDT THU OCT 2 2014

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN BENTON COUNTY IN NORTHWEST ARKANSAS...

* UNTIL 400 PM CDT

* AT 313 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR GENTRY...AND MOVING NORTHEAST AT 35 MPH.

  HAZARD...TORNADO AND QUARTER SIZE HAIL.

  SOURCE...RADAR INDICATED ROTATION.

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
           TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
           LIKELY.

* LOCATIONS IN OR NEAR THE PATH INCLUDE...DECATUR...GRAVETTE...
  SULPHUR SPRINGS...CENTERTON...HIWASSE...MILLER...BELLA VISTA AND
  PEA RIDGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. GO TO A DESIGNED SHELTER SUCH AS A SAFE ROOM OR STORM
CELLAR IF AVAILABLE. OTHERWISE...MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF SEEKING SHELTER
IN A BASEMENT...BE SURE TO GET BENEATH SOMETHING STURDY. IF IN A
MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3646 9407 3623 9453 3642 9456 3651 9444
      3650 9412
TIME...MOT...LOC 2015Z 231DEG 31KT 3632 9451

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

2 follow-up statements

601 
WWUS54 KTSA 022027
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
327 PM CDT THU OCT 2 2014

ARC007-022100-
/O.CON.KTSA.TO.W.0010.000000T0000Z-141002T2100Z/
BENTON AR-
327 PM CDT THU OCT 2 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTH CENTRAL BENTON
COUNTY UNTIL 400 PM CDT...

AT 324 PM CDT...A SEVERE THUNDERSTORM WITH STRONG LOW LEVEL ROTATION 
THAT COULD PRODUCE A TORNADO AT ANY TIME WAS LOCATED NEAR 
HIWASSE...AND MOVING NORTHEAST AT 50 MPH.

HAZARD...TORNADO AND QUARTER SIZE HAIL.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
         LIKELY.

LOCATIONS IN OR NEAR THE PATH INCLUDE...MILLER AND BELLA VISTA

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. GO TO A DESIGNED SHELTER SUCH AS A SAFE ROOM OR STORM
CELLAR IF AVAILABLE. OTHERWISE...MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF SEEKING SHELTER
IN A BASEMENT...BE SURE TO GET BENEATH SOMETHING STURDY. IF IN A
MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3647 9409 3633 9445 3646 9450 3651 9444
      3650 9412
TIME...MOT...LOC 2027Z 234DEG 44KT 3644 9434

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

750 
WWUS54 KTSA 022043
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
343 PM CDT THU OCT 2 2014

ARC007-022053-
/O.CAN.KTSA.TO.W.0010.000000T0000Z-141002T2100Z/
BENTON AR-
343 PM CDT THU OCT 2 2014

...THE TORNADO WARNING FOR NORTH CENTRAL BENTON COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA.

ADDITIONAL SEVERE THUNDERSTORMS ARE STILL POSSIBLE...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 8 PM.

LAT...LON 3647 9409 3633 9445 3646 9450 3651 9444
      3650 9412
TIME...MOT...LOC 2043Z 234DEG 44KT 3655 9414

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 2, 9:05 AM CDT	Special Weather Statement	TSA	Benton	40 min
Oct 2, 10:02 AM CDT	Special Weather Statement	TSA	Benton	28 min
Oct 2, 12:29 PM CDT	Special Weather Statement	TSA	Carroll	46 min
Oct 2, 1:17 PM CDT	Severe Thunderstorm Warning	TSA	Benton, Washington	28 min
Oct 2, 1:43 PM CDT	Severe Thunderstorm Warning	TSA	Benton, Carroll	47 min
Oct 2, 2:26 PM CDT	Special Weather Statement	TSA	Carroll	34 min
Oct 2, 2:59 PM CDT	Severe Thunderstorm Warning	TSA	Benton, Carroll, Madison	44 min
Oct 2, 3:00 PM CDT	Severe Thunderstorm Warning	TSA	Benton	45 min
Oct 2, 3:49 PM CDT	Areal Flood Advisory	TSA	Benton	56 min
Oct 2, 3:50 PM CDT	Areal Flood Advisory	TSA	Benton	55 min
Oct 2, 3:50 PM CDT	Severe Thunderstorm Warning	TSA	Benton, Washington	27 min
Oct 2, 4:06 PM CDT	Severe Thunderstorm Warning	TSA	Washington	24 min
Oct 2, 4:19 PM CDT	Special Weather Statement	TSA	Benton, Carroll	56 min
Oct 2, 4:38 PM CDT	Severe Thunderstorm Warning	TSA	Crawford, Franklin, Sebastian	52 min
Oct 2, 5:05 PM CDT	Special Weather Statement	TSA	Carroll, Madison	40 min
Oct 2, 5:17 PM CDT	Severe Thunderstorm Warning	TSA	Crawford, Franklin, Madison, Sebastian, Washington	43 min
Oct 2, 5:57 PM CDT	Severe Thunderstorm Warning	TSA	Madison	33 min

Nearby

Tornado Warnings in Arkansas, 2014 Every tornado warning in 2014 Tornadoes in 2014

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.