Alert archive / Arkansas / Tornado Warnings in 2016

Tornado Warning 12, NWS Shreveport, LA

March 13, 2016Howard County, Sevier County, Arkansas

NWS Shreveport, LA issued this tornado warning at Mar 13, 2016, 3:24 PM CDT for Howard County, Sevier County, Arkansas. It was in force for 36 min. 2 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 13, 2016, 3:24 PM CDT (20:24 UTC)
Expired: Mar 13, 2016, 4:00 PM CDT
In force: 36 min
Issued by: NWS Shreveport, LA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Howard County, AR, Sevier County, AR

The radar

The Western Arkansas radar (KSRX), 117 km from the middle of the area, began a volume at 20:23 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 13, 3:40 PM CDT	HAIL 1.5	12 Ne Gillham, AR	REPORTED BY PARK SUPERINTENDENT AT COSSATOT RIVER STATE PARK NATURAL AREA.
Mar 13, 3:43 PM CDT	TORNADO	10 N Dierks, AR	SPOTTED BRIEF ROPE TORNADO

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 13, 2:10 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Shreveport, LA (KBAD), launched 12:00Z, 8.4 hours before the alert went out and 201 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 781 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 141 m²/s²
0-3 km storm-relative helicity: 157 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

035 
WFUS54 KSHV 132024
TORSHV
ARC061-133-132100-
/O.NEW.KSHV.TO.W.0012.160313T2024Z-160313T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
324 PM CDT SUN MAR 13 2016

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN HOWARD COUNTY IN SOUTHWESTERN ARKANSAS...
  NORTH CENTRAL SEVIER COUNTY IN SOUTHWESTERN ARKANSAS...

* UNTIL 400 PM CDT
    
* AT 323 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
  WAS LOCATED OVER GILLHAM...OR 7 MILES NORTHEAST OF DE QUEEN...MOVING
  NORTHEAST AT 20 MPH.

  HAZARD...TORNADO. 

  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. 

* THIS DANGEROUS STORM WILL BE NEAR...
  UMPIRE AROUND 350 PM CDT. 
  ATHENS AROUND 355 PM CDT. 

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE BURG.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER
AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3434 9393 3427 9394 3426 9393 3424 9393
      3407 9431 3417 9442 3419 9440 3419 9424
      3427 9424 3427 9425 3433 9426 3435 9424
TIME...MOT...LOC 2023Z 237DEG 30KT 3415 9429 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

MD

1 follow-up statement

219 
WWUS54 KSHV 132035
SVSSHV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
335 PM CDT SUN MAR 13 2016

ARC133-132045-
/O.CAN.KSHV.TO.W.0012.000000T0000Z-160313T2100Z/
SEVIER AR-
335 PM CDT SUN MAR 13 2016

...THE TORNADO WARNING FOR NORTH CENTRAL SEVIER COUNTY IS
CANCELLED...
    
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED
OUT OF THE WARNED AREA...THEREFORE THE WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CDT FOR SOUTHWESTERN
ARKANSAS.

LAT...LON 3434 9393 3427 9394 3426 9393 3424 9393
      3420 9408 3420 9423 3427 9424 3427 9425
      3433 9426 3435 9424
TIME...MOT...LOC 2035Z 236DEG 34KT 3423 9414 

$$

ARC061-132100-
/O.CON.KSHV.TO.W.0012.000000T0000Z-160313T2100Z/
HOWARD AR-
335 PM CDT SUN MAR 13 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM CDT FOR
NORTHWESTERN HOWARD COUNTY...
    
AT 335 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR UMPIRE...MOVING NORTHEAST AT 40 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. 

THIS DANGEROUS STORM WILL BE NEAR...
  UMPIRE AND ATHENS AROUND 345 PM CDT. 

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE BURG.

LAT...LON 3434 9393 3427 9394 3426 9393 3424 9393
      3420 9408 3420 9423 3427 9424 3427 9425
      3433 9426 3435 9424
TIME...MOT...LOC 2035Z 236DEG 34KT 3423 9414 

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

$$

MD

The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 12, 6:13 PM CST	Areal Flood Warning	SHV	Union	27 hr
Mar 13, 3:18 PM CDT	Severe Thunderstorm Warning	SHV	Howard, Sevier	22 min
Mar 13, 5:29 PM CDT	Severe Thunderstorm Warning	SHV	Howard, Sevier	46 min
Mar 13, 6:15 PM CDT	Severe Thunderstorm Warning	SHV	Howard, Sevier	45 min
Mar 13, 6:21 PM CDT	Severe Thunderstorm Warning	SHV	Columbia, Union	39 min
Mar 13, 6:40 PM CDT	Severe Thunderstorm Warning	SHV	Union	65 min
Mar 13, 6:46 PM CDT	Severe Thunderstorm Warning	SHV	Hempstead, Howard, Little River, Sevier	44 min
Mar 13, 6:51 PM CDT	Severe Thunderstorm Warning	SHV	Union	54 min
Mar 13, 6:51 PM CDT	Severe Thunderstorm Warning	SHV	Howard, Sevier	12 min
Mar 13, 6:54 PM CDT	Severe Thunderstorm Warning	SHV	Hempstead, Howard, Little River, Sevier	55 min
Mar 13, 6:58 PM CDT	Severe Thunderstorm Warning	SHV	Union	17 min

Nearby

Tornado Warnings in Arkansas, 2016 Every tornado warning in 2016 Tornadoes in 2016

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.