Alert archive / Arkansas / Tornado Warnings in 2014

Tornado Warning 13, NWS Shreveport, LA

June 8, 20144 counties in Arkansas

NWS Shreveport, LA issued this tornado warning at Jun 8, 2014, 6:55 PM CDT for 4 counties in Arkansas. It was in force for 49 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
Jun 8, 2014, 6:55 PM CDT (23:55 UTC)
Expired
Jun 8, 2014, 7:44 PM CDT
In force
49 min
Issued by
NWS Shreveport, LA
Area
Storm-based polygon

Counties Hempstead County, AR, Howard County, AR, Little River County, AR, Sevier County, AR

The radar

The Shreveport radar (KSHV), 146 km from the middle of the area, began a volume at 23:57 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.

IssuedProductOfficeLasted
Jun 8, 2:19 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Shreveport, LA (KBAD), launched 12:00Z, 11.9 hours before the alert went out and 145 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, Shreveport, LA at 12:00Z on 2014-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2072 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, Shreveport, LA at 12:00Z on 2014-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 square meters per square second.193958Sfc1 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
2072 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
695 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
-59 m²/s²
Significant tornado parameter
-0.1
Supercell composite
-0.7

Open this sounding in Storm Lab

The text

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

155 
WFUS54 KSHV 082355
TORSHV
ARC057-061-081-133-090100-
/O.NEW.KSHV.TO.W.0013.140608T2355Z-140609T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
655 PM CDT SUN JUN 8 2014

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* TORNADO WARNING FOR...
  HEMPSTEAD COUNTY IN SOUTHWEST ARKANSAS...
  HOWARD COUNTY IN SOUTHWEST ARKANSAS...
  LITTLE RIVER COUNTY IN SOUTHWEST ARKANSAS...
  THIS INCLUDES THE CITY OF ASHDOWN...
  SEVIER COUNTY IN SOUTHWEST ARKANSAS...

* UNTIL 800 PM CDT

* AT 653 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR RICHMOND...
  OR 6 MILES WEST OF ASHDOWN...MOVING NORTHEAST AT 30 MPH.

* THE TORNADO WILL BE NEAR...
  ASHDOWN AND WILTON BY 705 PM CDT...
  8 MILES SOUTHEAST OF BEN LOMOND BY 715 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT SUNDAY
EVENING FOR SOUTHWESTERN ARKANSAS AND NORTHWESTERN LOUISIANA AND
NORTHEASTERN TEXAS.

&&

LAT...LON 3393 9403 3367 9390 3358 9428 3358 9429
      3373 9439
TIME...MOT...LOC 2355Z 247DEG 25KT 3368 9421

$$

06
1 follow-up statement
534 
WWUS54 KSHV 090044
SVSSHV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
744 PM CDT SUN JUN 8 2014

ARC057-061-081-133-090053-
/O.CAN.KSHV.TO.W.0013.000000T0000Z-140609T0100Z/
HEMPSTEAD AR-HOWARD AR-LITTLE RIVER AR-SEVIER AR-
744 PM CDT SUN JUN 8 2014

...THE TORNADO WARNING FOR SEVIER...LITTLE RIVER...HOWARD AND
HEMPSTEAD COUNTIES IS CANCELLED...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT SUNDAY
EVENING FOR SOUTHWESTERN ARKANSAS AND NORTHWESTERN LOUISIANA AND
NORTHEASTERN TEXAS.

LAT...LON 3393 9403 3367 9390 3358 9428 3358 9429
      3373 9439
TIME...MOT...LOC 0043Z 247DEG 25KT 3381 9384

$$

06

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 2:36 PM CDTSevere Thunderstorm WarningSHVUnion54 min
Jun 8, 3:09 PM CDTSevere Thunderstorm WarningSHVUnion36 min
Jun 8, 3:31 PM CDTSevere Thunderstorm WarningSHVUnion33 min
Jun 8, 4:56 PM CDTSevere Thunderstorm WarningSHVColumbia, Lafayette49 min
Jun 8, 5:40 PM CDTSevere Thunderstorm WarningSHVColumbia50 min
Jun 8, 6:30 PM CDTSevere Thunderstorm WarningSHVUnion60 min
Jun 8, 6:39 PM CDTSevere Thunderstorm WarningSHVUnion66 min

Nearby

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