Alert archive / Arkansas / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 79, NWS Tulsa, OK

April 27, 20164 counties in Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 27, 2016, 1:00 AM CDT for 4 counties in Arkansas. It was in force for 60 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, 1:00 AM CDT (06:00 UTC)
Expired
Apr 27, 2016, 2:00 AM CDT
In force
60 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties Benton County, AR, Carroll County, AR, Madison County, AR, Washington County, AR

The radar

The Western Arkansas radar (KSRX), 109 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

TimeReportWhereRemark
Apr 27, 1:00 AM CDTTSTM WND DMGGreenland, ARDAMAGE AT GREENLAND HIGH SCHOOL INCLUDING ROOF DAMAGE TO THE CAFETERIA. REPORT FROM LOCAL MEDIA NEWS ARTICLE POSTED TO SOCIAL MEDIA. TIME ESTIMATED BY RADAR.
Apr 27, 1:12 AM CDTTORNADO1 Sw Wesley, AR
Apr 27, 1:20 AM CDTTSTM WND DMGWesley, ARSEVERAL HOMES DAMAGED IN THE AREA. REPORT FROM LOCAL MEDIA NEWS ARTICLE POSTED TO SOCIAL MEDIA. TIME ESTIMATED BY RADAR.

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
Apr 26, 10:21 PM CDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 6.0 hours before the alert went out and 98 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, Springfield, MO at 00:00Z on 2016-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 851 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, Springfield, MO at 00:00Z on 2016-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 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
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.

482 
WUUS54 KTSA 270600
SVRTSA
ARC007-015-087-143-270700-
/O.NEW.KTSA.SV.W.0079.160427T0600Z-160427T0700Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
100 AM CDT WED APR 27 2016

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MADISON COUNTY IN NORTHWESTERN ARKANSAS...
  CARROLL COUNTY IN NORTHWESTERN ARKANSAS...
  CENTRAL BENTON COUNTY IN NORTHWESTERN ARKANSAS...
  WASHINGTON COUNTY IN NORTHWESTERN ARKANSAS...

* UNTIL 200 AM CDT

* AT 100 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 3 MILES NORTHWEST OF GARFIELD TO 4 MILES EAST OF
  WINSLOW...MOVING EAST AT 45 MPH.

  HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IN OR NEAR THE PATH INCLUDE...
  FAYETTEVILLE...                   SPRINGDALE...
  ROGERS...                         BENTONVILLE...
  BERRYVILLE...                     HUNTSVILLE...
  EUREKA SPRINGS...                 BELLA VISTA...
  LOWELL...                         FARMINGTON...
  PEA RIDGE...                      PRAIRIE GROVE...
  GREEN FOREST...                   ELKINS...
  TONTITOWN...                      BETHEL HEIGHTS...
  WEST FORK...                      CAVE SPRINGS...
  GREENLAND...                      HIGHFILL...

THIS INCLUDES INTERSTATE 49 BETWEEN MILE MARKERS 43 AND 84...AND
BETWEEN MILE MARKERS 86 AND 93.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

INTENSE THUNDERSTORM LINES CAN PRODUCE BRIEF TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE. IT IS BEST TO MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF A BUILDING. THESE STORMS MAY
CAUSE SERIOUS INJURY AND SIGNIFICANT PROPERTY DAMAGE.

&&

LAT...LON 3612 9348 3608 9348 3608 9345 3597 9345
      3595 9349 3593 9349 3592 9351 3588 9351
      3588 9352 3576 9352 3578 9434 3650 9434
      3650 9330 3612 9330
TIME...MOT...LOC 0600Z 266DEG 38KT 3649 9402 3581 9405 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...60MPH
 
$$

69
1 follow-up statement
358 
WWUS54 KTSA 270631
SVSTSA

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

ARC007-143-270640-
/O.CAN.KTSA.SV.W.0079.000000T0000Z-160427T0700Z/
BENTON AR-WASHINGTON AR-
131 AM CDT WED APR 27 2016

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL BENTON AND WASHINGTON
COUNTIES IS CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

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

LAT...LON 3612 9348 3608 9348 3608 9345 3597 9345
      3595 9349 3588 9352 3576 9352 3577 9396
      3610 9394 3623 9389 3624 9387 3631 9387
      3631 9382 3634 9387 3637 9387 3638 9389
      3639 9387 3650 9387 3650 9330 3612 9330
TIME...MOT...LOC 0630Z 268DEG 32KT 3645 9368 3608 9369 3580 9385 

$$

ARC015-087-270700-
/O.CON.KTSA.SV.W.0079.000000T0000Z-160427T0700Z/
MADISON AR-CARROLL AR-
131 AM CDT WED APR 27 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 AM CDT
FOR MADISON AND CARROLL COUNTIES...

AT 130 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 3 MILES NORTHWEST OF GRANDVIEW TO 2 MILES EAST OF
HUNTSVILLE TO 4 MILES WEST OF SAINT PAUL...MOVING EAST AT 35 MPH.

HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IN OR NEAR THE PATH INCLUDE...
BERRYVILLE...                     HUNTSVILLE...
EUREKA SPRINGS...                 GREEN FOREST...
ST. PAUL...                       BEAVER...
HINDSVILLE...                     PETTIGREW...
URBANETTE...                      WESLEY...
CLIFTY...                         AURORA...
WITTER...                         GRANDVIEW...
RUDD...                           FORUM...
BOSTON...                         WITHROW SPRINGS STATE PARK...
SAINT PAUL...                     OSAGE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

INTENSE THUNDERSTORM LINES CAN PRODUCE BRIEF TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE. IT IS BEST TO MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF A BUILDING. THESE STORMS MAY
CAUSE SERIOUS INJURY AND SIGNIFICANT PROPERTY DAMAGE.

&&

LAT...LON 3612 9348 3608 9348 3608 9345 3597 9345
      3595 9349 3588 9352 3576 9352 3577 9396
      3610 9394 3623 9389 3624 9387 3631 9387
      3631 9382 3634 9387 3637 9387 3638 9389
      3639 9387 3650 9387 3650 9330 3612 9330
TIME...MOT...LOC 0630Z 268DEG 32KT 3645 9368 3608 9369 3580 9385 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...60MPH
 
$$

69

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 27, 12:06 AM CDTSevere Thunderstorm WarningTSABenton, Washington54 min
Apr 27, 12:13 AM CDTTornado WarningTSAWashington32 min
Apr 27, 12:16 AM CDTSevere Thunderstorm WarningTSACrawford, Franklin, Sebastian, Washington59 min
Apr 27, 12:40 AM CDTTornado WarningTSABenton35 min
Apr 27, 12:41 AM CDTTornado WarningTSAMadison, Washington34 min
Apr 27, 1:08 AM CDTTornado WarningTSACrawford, Franklin, Sebastian37 min
Apr 27, 1:12 AM CDTTornado WarningTSACarroll, Madison, Washington48 min
Apr 27, 1:16 AM CDTSevere Thunderstorm WarningTSACrawford, Franklin, Sebastian, Washington44 min
Apr 27, 1:23 AM CDTTornado WarningTSAFranklin37 min
Apr 27, 1:54 AM CDTSevere Thunderstorm WarningTSACarroll, Franklin, Madison36 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2016Every severe thunderstorm warning 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.