Alert archive / Arkansas / Tornado Warnings in 2016

Tornado Warning 55, NWS Shreveport, LA

April 30, 2016Columbia County, Union County, Arkansas

NWS Shreveport, LA issued this tornado warning at Apr 30, 2016, 2:44 AM CDT for Columbia County, Union County, Arkansas. It was in force for 61 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
Apr 30, 2016, 2:44 AM CDT (07:44 UTC)
Expired
Apr 30, 2016, 3:45 AM CDT
In force
61 min
Issued by
NWS Shreveport, LA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Columbia County, AR, Union County, AR

The radar

The Shreveport radar (KSHV), 124 km from the middle of the area, began a volume at 07:46 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
Apr 29, 9:58 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Shreveport, LA (KBAD), launched 00:00Z, 7.7 hours before the alert went out and 116 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 2016-04-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 835 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 00:00Z on 2016-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 455 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
835 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
591 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
455 m²/s²
0-3 km storm-relative helicity
577 m²/s²
Significant tornado parameter
2.9
Supercell composite
11.8

Open this sounding in Storm Lab

The text

As transmitted.

437 
WFUS54 KSHV 300744
TORSHV
ARC027-139-300845-
/O.NEW.KSHV.TO.W.0055.160430T0744Z-160430T0845Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
244 AM CDT SAT APR 30 2016

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN COLUMBIA COUNTY IN SOUTHWESTERN ARKANSAS...
  NORTHWESTERN UNION COUNTY IN SOUTH CENTRAL ARKANSAS...

* UNTIL 345 AM CDT
    
* AT 244 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
  WAS LOCATED OVER EMERSON...OR 13 MILES SOUTH OF MAGNOLIA...MOVING
  NORTHEAST AT 30 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...
  VILLAGE AROUND 310 AM CDT. 
  MOUNT HOLLY AROUND 320 AM CDT. 
  LISBON AROUND 330 AM CDT. 

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE CAIRO...
KENOVA...MARYSVILLE...CALHOUN...HORSEHEAD...MEDLOCK...NOXOBE...LAUGHLIN...
SPOTVILLE AND EBENEZER.

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 3335 9261 3302 9318 3311 9330 3338 9310
      3337 9280
TIME...MOT...LOC 0744Z 227DEG 28KT 3309 9319 

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

$$

06
3 follow-up statements
901 
WWUS54 KSHV 300801
SVSSHV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
301 AM CDT SAT APR 30 2016

ARC027-139-300845-
/O.CON.KSHV.TO.W.0055.000000T0000Z-160430T0845Z/
COLUMBIA AR-UNION AR-
301 AM CDT SAT APR 30 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 AM CDT FOR EAST
CENTRAL COLUMBIA AND NORTHWESTERN UNION COUNTIES...
    
AT 300 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR VILLAGE...OR 12 MILES SOUTHEAST OF MAGNOLIA...MOVING
NORTHEAST AT 30 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. 

LOCATIONS IMPACTED INCLUDE...
SMACKOVER...LISBON...VILLAGE...MOUNT HOLLY...MARYSVILLE...MEDLOCK...NOXOBE...
SPOTVILLE AND EBENEZER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW!

&&

LAT...LON 3336 9269 3309 9306 3318 9316 3338 9307
      3337 9280
TIME...MOT...LOC 0800Z 225DEG 24KT 3319 9306 

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

$$

06
088 
WWUS54 KSHV 300824
SVSSHV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
324 AM CDT SAT APR 30 2016

ARC027-300833-
/O.CAN.KSHV.TO.W.0055.000000T0000Z-160430T0845Z/
COLUMBIA AR-
324 AM CDT SAT APR 30 2016

...THE TORNADO WARNING FOR EAST CENTRAL COLUMBIA COUNTY IS
CANCELLED...
    
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVE OUT OF
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 AM CDT FOR
SOUTH CENTRAL ARKANSAS.

LAT...LON 3323 9286 3329 9295 3338 9297 3337 9280
      3336 9269
TIME...MOT...LOC 0823Z 226DEG 28KT 3332 9289 

$$

ARC139-300845-
/O.CON.KSHV.TO.W.0055.000000T0000Z-160430T0845Z/
UNION AR-
324 AM CDT SAT APR 30 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 AM CDT FOR
NORTHWESTERN UNION COUNTY...
    
AT 323 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR MOUNT HOLLY...OR 9 MILES WEST OF SMACKOVER...MOVING
NORTHEAST AT 35 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. 

LOCATIONS IMPACTED INCLUDE...
SMACKOVER AND LISBON. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3323 9286 3329 9295 3338 9297 3337 9280
      3336 9269
TIME...MOT...LOC 0823Z 226DEG 28KT 3332 9289 

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

$$

06
727 
WWUS54 KSHV 300836
SVSSHV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
336 AM CDT SAT APR 30 2016

ARC139-300846-
/O.EXP.KSHV.TO.W.0055.000000T0000Z-160430T0845Z/
UNION AR-
336 AM CDT SAT APR 30 2016

...THE TORNADO WARNING FOR NORTHWESTERN UNION COUNTY WILL EXPIRE AT
345 AM CDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND HAVE EXITED THE WARNED AREA. THEREFORE THE WARNING WILL
BE ALLOWED TO EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 AM CDT FOR
SOUTH CENTRAL ARKANSAS.

LAT...LON 3323 9286 3329 9295 3338 9297 3337 9280
      3336 9269
TIME...MOT...LOC 0836Z 227DEG 28KT 3332 9289 

$$

06

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 7:24 PM CDTFlash Flood WarningSHVHempstead, Howard, Little River, Nevada, Sevier10 hr
Apr 29, 9:21 PM CDTSpecial Weather StatementSHVHempstead39 min
Apr 29, 10:09 PM CDTSevere Thunderstorm WarningSHVHoward, Little River, Sevier66 min
Apr 29, 11:15 PM CDTSevere Thunderstorm WarningSHVHempstead, Howard, Little River, Nevada, Sevier60 min
Apr 29, 11:25 PM CDTSevere Thunderstorm WarningSHVHempstead, Lafayette, Little River, Miller, Nevada65 min
Apr 29, 11:30 PM CDTTornado WarningSHVLafayette30 min
Apr 29, 11:32 PM CDTFlash Flood WarningSHVColumbia, Hempstead, Lafayette, Little River, Miller, Nevada8 hr
Apr 29, 11:59 PM CDTTornado WarningSHVLafayette46 min
Apr 30, 12:25 AM CDTTornado WarningSHVColumbia, Lafayette50 min
Apr 30, 12:58 AM CDTTornado WarningSHVColumbia, Lafayette, Nevada47 min
Apr 30, 1:27 AM CDTFlash Flood WarningSHVColumbia, Nevada5 hr
Apr 30, 2:12 AM CDTSpecial Weather StatementSHVColumbia48 min
Apr 30, 4:17 AM CDTRiver Flood WarningSHVLittle River, Sevier53 hr
Apr 30, 5:21 AM CDTAreal Flood WarningSHVHempstead, Howard, Little River, Nevada, Sevier6 hr
Apr 30, 6:01 AM CDTAreal Flood WarningSHVColumbia6 hr
Apr 30, 7:27 AM CDTAreal Flood WarningSHVLafayette, Miller6 hr
Apr 30, 1:27 PM CDTAreal Flood WarningSHVLafayette, Miller3 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.