Alert archive / Arkansas / Tornado Warnings in 2016

Tornado Warning 14, NWS Shreveport, LA

March 13, 2016Union County, Arkansas

NWS Shreveport, LA issued this tornado warning at Mar 13, 2016, 7:08 PM CDT for Union County, Arkansas. It was in force for 52 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 13, 2016, 7:08 PM CDT (00:08 UTC)
Expired
Mar 13, 2016, 8:00 PM CDT
In force
52 min
Issued by
NWS Shreveport, LA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Union County, AR

The radar

The Shreveport radar (KSHV), 172 km from the middle of the area, began a volume at 00:08 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
Mar 13, 7:15 PM CDTTORNADO7 N Strong, ARROPE TORNADO REPORTED IN THE NEW LONDON COMMUNITY
Mar 13, 8:05 PM CDTHAIL 1Strong, AR1 INCH HAIL REPORTED IN STRONG... ARKANSAS
Mar 13, 8:10 PM CDTHAIL 1Strong, AR1 INCH HAIL IN THE STRONG COMMUNITY.

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
Mar 13, 2:10 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Shreveport, LA (KBAD), launched 00:00Z, 0.1 hours before the alert went out and 163 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 00:00Z on 2016-03-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 947 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2016-03-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 square meters per square second.19395878Sfc1 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
947 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
1702 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
145 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.7

Open this sounding in Storm Lab

The text

As transmitted.

087 
WFUS54 KSHV 140008 RRA
TORSHV
ARC139-140100-
/O.NEW.KSHV.TO.W.0014.160314T0008Z-160314T0100Z/

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

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN UNION COUNTY IN SOUTH CENTRAL ARKANSAS...

* UNTIL 800 PM CDT
    
* AT 708 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
  WAS LOCATED OVER STRONG...OR 9 MILES NORTHWEST OF HUTTIG...MOVING
  NORTHEAST AT 25 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 IMPACTED INCLUDE...
  STRONG...LAPILE AND NEW LONDON. 

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.

HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW!

&&

LAT...LON 3312 9212 3302 9227 3314 9245 3326 9233
      3326 9231 3328 9230 3326 9229 3327 9228
      3325 9227 3325 9223 3323 9223 3323 9222
      3321 9222 3320 9221 3321 9218 3316 9217
      3317 9215 3316 9211
TIME...MOT...LOC 0008Z 225DEG 20KT 3313 9232 

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

$$

06
2 follow-up statements
859 
WWUS54 KSHV 140033
SVSSHV

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

ARC139-140100-
/O.CON.KSHV.TO.W.0014.000000T0000Z-160314T0100Z/
UNION AR-
733 PM CDT SUN MAR 13 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR EAST
CENTRAL UNION COUNTY...
    
AT 731 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 9 MILES NORTHEAST OF LAPILE....MOVING NORTHEAST AT 25
MPH. THIS STORM WILL BE CROSSING THE OUACHITA RIVER SHORTLY.

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 TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
EAST CENTRAL UNION COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW!

&&

LAT...LON 3312 9212 3312 9216 3317 9226 3325 9234
      3326 9233 3326 9231 3328 9230 3326 9229
      3327 9228 3325 9227 3325 9223 3323 9223
      3323 9222 3321 9222 3320 9221 3321 9218
      3316 9217 3317 9215 3316 9211
TIME...MOT...LOC 0031Z 224DEG 20KT 3322 9221 

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

$$

06
686 
WWUS54 KSHV 140051
SVSSHV

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

ARC139-140101-
/O.EXP.KSHV.TO.W.0014.000000T0000Z-160314T0100Z/
UNION AR-
751 PM CDT SUN MAR 13 2016

...THE TORNADO WARNING FOR EAST CENTRAL UNION COUNTY WILL EXPIRE AT
800 PM CDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT FOR SOUTH CENTRAL
ARKANSAS.

LAT...LON 3312 9212 3312 9216 3317 9226 3325 9234
      3326 9233 3326 9231 3328 9230 3326 9229
      3327 9228 3325 9227 3325 9223 3323 9223
      3323 9222 3321 9222 3320 9221 3321 9218
      3316 9217 3317 9215 3316 9211
TIME...MOT...LOC 0049Z 225DEG 20KT 3322 9221 

$$

!06

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 13, 7:02 PM CDTSevere Thunderstorm WarningSHVColumbia, Union44 min
Mar 13, 7:08 PM CDTTornado WarningSHVUnion11 min
Mar 13, 7:30 PM CDTTornado WarningSHVHempstead, Nevada33 min
Mar 13, 7:38 PM CDTSevere Thunderstorm WarningSHVUnion67 min
Mar 13, 8:03 PM CDTSevere Thunderstorm WarningSHVHempstead, Nevada42 min
Mar 13, 8:16 PM CDTSevere Thunderstorm WarningSHVUnion24 min
Mar 13, 9:57 PM CDTAreal Flood WarningSHVUnion66 hr

Nearby

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