Alert archive / Arkansas / Tornado Warnings in 2016

Tornado Warning 53, NWS Shreveport, LA

April 30, 2016Columbia County, Lafayette County, Nevada County, Arkansas

NWS Shreveport, LA issued this tornado warning at Apr 30, 2016, 12:58 AM CDT for Columbia County, Lafayette County, Nevada County, Arkansas. It was in force for 47 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: Apr 30, 2016, 12:58 AM CDT (05:58 UTC)
Expired: Apr 30, 2016, 1:45 AM CDT
In force: 47 min
Issued by: NWS Shreveport, LA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

Counties Columbia County, AR, Lafayette County, AR, Nevada County, AR

The radar

The Shreveport radar (KSHV), 125 km from the middle of the area, began a volume at 06:00 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
Apr 30, 1:09 AM CDT	TORNADO	3 N Waldo, AR	A BRIEF EF-1 TORNADO TOUCHED DOWN JUST SW OF US HWY 371 SOUTH OF THE INTERSECTION WITH CR 60. THE TORNADO CROSSED HWY 371 AND SNAPPED SEVERAL TREES BEFORE LIFTING. EST. PEAK WINDS OF 95 MPH. PATH LENGTH OF 0.25 MILES. PATH WIDTH OF 130 YARDS.
Apr 30, 1:10 AM CDT	TSTM WND DMG	3 N Waldo, AR	NUMEROUS TREES WERE DOWN JUST NORTH OF WALDO. A LIGHT POLE WAS DOWN ACROSS HIGHWAY 371 IN THIS SAME AREA.

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
Apr 29, 9:58 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Shreveport, LA (KBAD), launched 00:00Z, 6.0 hours before the alert went out and 119 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: 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.

864 
WFUS54 KSHV 300558 RRA
TORSHV
ARC027-073-099-300645-
/O.NEW.KSHV.TO.W.0053.160430T0558Z-160430T0645Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
1258 AM CDT SAT APR 30 2016

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN COLUMBIA COUNTY IN SOUTHWESTERN ARKANSAS...
  NORTHEASTERN LAFAYETTE COUNTY IN SOUTHWESTERN ARKANSAS...
  SOUTHERN NEVADA COUNTY IN SOUTHWESTERN ARKANSAS...

* UNTIL 145 AM CDT
    
* AT 1258 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR BUCKNER ALONG THE LAFAYETTE AND COLUMBIA
  COUNTY LINE...MOVING NORTHEAST AT 30 MPH. IF YOU LIVE IN
  BUCKNER...TAKE COVER IMMEDIATELY!!!

  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...
  WALDO AROUND 110 AM CDT. 
  WILLISVILLE AND BODCAW AROUND 125 AM CDT. 
  ROSSTON AROUND 130 AM CDT. 

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
SUTTON...FALCON...YOUNG...BETHEL...LAMARTINE...MOUNT VERNON...COLLEGE HILL...
MOUNT MORIAH...CALE AND WATERLOO.

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!

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

&&

LAT...LON 3361 9311 3345 9312 3324 9332 3330 9355
      3347 9348 3351 9347 3370 9342
TIME...MOT...LOC 0557Z 212DEG 27KT 3334 9341 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

15

2 follow-up statements

857 
WWUS54 KSHV 300614 RRA
SVSSHV

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

ARC027-073-099-300645-
/O.CON.KSHV.TO.W.0053.000000T0000Z-160430T0645Z/
COLUMBIA AR-LAFAYETTE AR-NEVADA AR-
114 AM CDT SAT APR 30 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 AM CDT FOR NORTH
CENTRAL COLUMBIA...NORTHEASTERN LAFAYETTE AND SOUTHEASTERN NEVADA
COUNTIES...
    
AT 114 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 4 MILES NORTHEAST OF WALDO...MOVING NORTHEAST AT 35 MPH.
TREES HAVE BEEN DOWNED WITH THIS STORM WEST OF TAYLOR. 

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 TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
NORTH CENTRAL COLUMBIA...NORTHEASTERN LAFAYETTE AND SOUTHEASTERN
NEVADA COUNTIES...INCLUDING THE FOLLOWING LOCATIONS: BETHEL...
LAMARTINE...COLLEGE HILL...WATERLOO...CALE AND YOUNG.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3361 9311 3345 9312 3334 9323 3341 9342
      3348 9337 3365 9325
TIME...MOT...LOC 0613Z 225DEG 31KT 3343 9326 

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

$$

15

588 
WWUS54 KSHV 300636
SVSSHV

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

ARC027-073-099-300646-
/O.EXP.KSHV.TO.W.0053.000000T0000Z-160430T0645Z/
COLUMBIA AR-LAFAYETTE AR-NEVADA AR-
136 AM CDT SAT APR 30 2016

...THE TORNADO WARNING FOR NORTH CENTRAL COLUMBIA...NORTHEASTERN
LAFAYETTE AND SOUTHEASTERN NEVADA COUNTIES WILL EXPIRE AT 145 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.  HOWEVER...HEAVY RAIN IS STILL POSSIBLE WITH
THESE THUNDERSTORMS.

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

LAT...LON 3361 9311 3345 9312 3334 9323 3341 9342
      3348 9337 3365 9325
TIME...MOT...LOC 0634Z 212DEG 27KT 3343 9326 

$$


15

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 29, 7:24 PM CDT	Flash Flood Warning	SHV	Hempstead, Howard, Little River, Nevada, Sevier	10 hr
Apr 29, 9:21 PM CDT	Special Weather Statement	SHV	Hempstead	39 min
Apr 29, 10:09 PM CDT	Severe Thunderstorm Warning	SHV	Howard, Little River, Sevier	66 min
Apr 29, 11:15 PM CDT	Severe Thunderstorm Warning	SHV	Hempstead, Howard, Little River, Nevada, Sevier	60 min
Apr 29, 11:25 PM CDT	Severe Thunderstorm Warning	SHV	Hempstead, Lafayette, Little River, Miller, Nevada	65 min
Apr 29, 11:30 PM CDT	Tornado Warning	SHV	Lafayette	30 min
Apr 29, 11:32 PM CDT	Flash Flood Warning	SHV	Columbia, Hempstead, Lafayette, Little River, Miller, Nevada	8 hr
Apr 29, 11:59 PM CDT	Tornado Warning	SHV	Lafayette	46 min
Apr 30, 12:25 AM CDT	Tornado Warning	SHV	Columbia, Lafayette	50 min
Apr 30, 1:27 AM CDT	Flash Flood Warning	SHV	Columbia, Nevada	5 hr
Apr 30, 2:12 AM CDT	Special Weather Statement	SHV	Columbia	48 min
Apr 30, 2:44 AM CDT	Tornado Warning	SHV	Columbia, Union	61 min
Apr 30, 4:17 AM CDT	River Flood Warning	SHV	Little River, Sevier	53 hr
Apr 30, 5:21 AM CDT	Areal Flood Warning	SHV	Hempstead, Howard, Little River, Nevada, Sevier	6 hr
Apr 30, 6:01 AM CDT	Areal Flood Warning	SHV	Columbia	6 hr
Apr 30, 7:27 AM CDT	Areal Flood Warning	SHV	Lafayette, Miller	6 hr
Apr 30, 1:27 PM CDT	Areal Flood Warning	SHV	Lafayette, Miller	3 hr

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.