Alert archive / Arkansas / Tornado Warnings in 2016

Tornado Warning 24, NWS Tulsa, OK

April 27, 2016Benton County, Arkansas

NWS Tulsa, OK issued this tornado warning at Apr 27, 2016, 12:40 AM CDT for Benton County, Arkansas. It was in force for 35 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: Apr 27, 2016, 12:40 AM CDT (05:40 UTC)
Expired: Apr 27, 2016, 1:15 AM CDT
In force: 35 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Benton County, AR

The radar

The Springfield radar (KSGF), 117 km from the middle of the area, began a volume at 05:39 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 27, 12:41 AM CDT	TORNADO	1 N Centerton, AR	A TORNADO DAMAGED THE ROOFS OF HOMES...UPROOTED TREES...AND SNAPPED LARGE TREE LIMBS.
Apr 27, 12:45 AM CDT	TSTM WND DMG	Bentonville, AR	LARGE 2 TO 4 INCH OAK BRANCHES DOWN IN THE AREA OF NW 6TH STREET IN BENTONVILLE
Apr 27, 12:54 AM CDT	TSTM WND DMG	2 S Pea Ridge, AR	LARGE TREE LIMBS WERE SNAPPED AND A FEW TREES WERE UPROOTED AT BIG SUGAR GOLF CLUB

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 26, 10:21 PM CDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 5.7 hours before the alert went out and 67 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: 851 J/kg
Mixed-layer CIN: -259 J/kg
Mixed-layer LCL: 1185 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 73 m²/s²
0-3 km storm-relative helicity: 95 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

As transmitted.

943 
WFUS54 KTSA 270540
TORTSA
ARC007-270615-
/O.NEW.KTSA.TO.W.0024.160427T0540Z-160427T0615Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
1240 AM CDT WED APR 27 2016

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN BENTON COUNTY IN NORTHWESTERN ARKANSAS...

* UNTIL 115 AM CDT
    
* AT 1240 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 3 MILES SOUTHWEST OF BELLA VISTA...MOVING EAST
  AT 50 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 IN OR NEAR THE PATH INCLUDE...
  ROGERS...                         BENTONVILLE...
  BELLA VISTA...                    LOWELL...
  PEA RIDGE...                      HIGHFILL...
  GARFIELD...                       GATEWAY...
  HIWASSE...                        MILLER...
  CENTERTON...                      AVOCA...
  LARUE...                          BLAND...
  WALNUT HILL...                    HILL TOP...
  VAUGHN...                         

THIS INCLUDES INTERSTATE 49 BETWEEN MILE MARKERS 81 AND 84...AND
BETWEEN MILE MARKERS 86 AND 93.
 
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 3627 9434 3645 9441 3650 9423 3650 9390
      3632 9388
TIME...MOT...LOC 0540Z 253DEG 42KT 3639 9428 

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

$$

69

2 follow-up statements

931 
WWUS54 KTSA 270556
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1256 AM CDT WED APR 27 2016

ARC007-270615-
/O.CON.KTSA.TO.W.0024.000000T0000Z-160427T0615Z/
BENTON AR-
1256 AM CDT WED APR 27 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 115 AM CDT FOR
NORTHEASTERN BENTON COUNTY...
    
AT 1256 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 3 MILES EAST OF PEA RIDGE...MOVING EAST AT 50 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 IN OR NEAR THE PATH INCLUDE...
ROGERS...                         PEA RIDGE...
GARFIELD...                       GATEWAY...
AVOCA...                          WALNUT HILL...
HILL TOP...                       

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 3636 9414 3650 9415 3650 9390 3637 9389
TIME...MOT...LOC 0556Z 253DEG 42KT 3645 9405 

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

$$

69

909 
WWUS54 KTSA 270618
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
118 AM CDT WED APR 27 2016

ARC007-270627-
/O.EXP.KTSA.TO.W.0024.000000T0000Z-160427T0615Z/
BENTON AR-
118 AM CDT WED APR 27 2016

...THE TORNADO WARNING FOR NORTHEASTERN BENTON COUNTY HAS EXPIRED...
                
THE STORM WHICH PROMPTED THE WARNING NO LONGER APPEARS CAPABLE OF
PRODUCING A TORNADO. THEREFORE THE WARNING HAS BEEN ALLOWED TO
EXPIRE. DAMAGING WINDS ARE STILL POSSIBLE WITH THIS LINE OF
SEVERE THUNDERSTORMS.

A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR MUCH OF
BENTON COUNTY UNTIL 200 AM!

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

LAT...LON 3636 9414 3650 9415 3650 9390 3637 9389
TIME...MOT...LOC 0615Z 253DEG 42KT 3645 9405 

$$

69

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 27, 12:06 AM CDT	Severe Thunderstorm Warning	TSA	Benton, Washington	54 min
Apr 27, 12:13 AM CDT	Tornado Warning	TSA	Washington	32 min
Apr 27, 12:16 AM CDT	Severe Thunderstorm Warning	TSA	Crawford, Franklin, Sebastian, Washington	59 min
Apr 27, 12:41 AM CDT	Tornado Warning	TSA	Madison, Washington	34 min
Apr 27, 1:00 AM CDT	Severe Thunderstorm Warning	TSA	Benton, Carroll, Madison, Washington	60 min
Apr 27, 1:08 AM CDT	Tornado Warning	TSA	Crawford, Franklin, Sebastian	37 min
Apr 27, 1:12 AM CDT	Tornado Warning	TSA	Carroll, Madison, Washington	48 min
Apr 27, 1:16 AM CDT	Severe Thunderstorm Warning	TSA	Crawford, Franklin, Sebastian, Washington	44 min
Apr 27, 1:23 AM CDT	Tornado Warning	TSA	Franklin	37 min
Apr 27, 1:54 AM CDT	Severe Thunderstorm Warning	TSA	Carroll, Franklin, Madison	36 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.