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Jack’s

Radar Analysis of Jackson County Storm

Posted on: 1:34 pm, June 11, 2014, by , updated on: 06:07pm, June 11, 2014

An upper-level low to our northwest has been responsible for all the rain and storms we’ve had in the Tennessee Valley over the past week. Each day, many communities experienced some form of wind damage or flash flooding, mostly tree and power line damage and brief street flooding. Many Jackson County residents in Jackson County called our newsroom and sent us pictures Tuesday of damage they say was caused by a tornado. We decided to dig through the radar data from yesterday to see what we could find.

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Above is the radar image at 1:27 p.m. Thursday. At this point, there was a severe thunderstorm warning for the storm in DeKalb County, and storms were just pushing into southwestern Jackson County.

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At 1:41 p.m., you begin to see some evidence of at least a core of intense wind velocity (noted by the bright ball on the right-hand side) close to Goosepond, moving toward Scottsboro.

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At 1:46 p.m., the core of intense wind is still noted in the velocity as the storm is crossing HWY 35 on the north bank of the Tennessee River.

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The strongest indication of a possible tornado shows up on radar at 1:51 p.m. between Scottsboro and Hollywood. Notice the tiny, but tight couplet in the wind velocity image on the right side.

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At 1:56 p.m., this storm appears to have several areas of rotation (noted by the green matching up against the red), with the strongest just south of HWY 72.

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The storm continued up HWY 72 through Fackler and Stevenson. The image above is yesterday’s radar at 2:00 p.m.

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We received damage reports in Bridgeport as well, but based on the presentation of radar velocity, that may have been caused by straight-line wind.

Keep in mind, only the National Weather Service can rule whether or not damage was caused by a tornado and if so, how strong it was. Meteorologists with the National Weather Service in Huntsville and at the University of Alabama in Huntsville are working to determine if a tornado caused the damage in Jackson County.

Below are the reports of damage received by the NWS in Huntsville. View the interactive map of storm reports here.

jacksoncountyreports

See more pictures and video of the damage left behind by Tuesday’s storms over on WHNT.com.

PUBLIC INFORMATION STATEMENT…UPDATED
NATIONAL WEATHER SERVICE HUNTSVILLE AL
605 PM CDT WED JUN 11 2014

…NWS DAMAGE SURVEY FOR 6/09 TO 6/10/14 SEVERE WEATHER EVENT -
UPDATE #2…

.UPDATE…FOR JACKSON COUNTY DAMAGE.

.SCOTTSBORO-HOLLYWOOD TORNADO…

RATING: EF-1
ESTIMATED PEAK WIND: 110 MPH
PATH LENGTH /STATUTE/: 11.9 MILES
PATH WIDTH /MAXIMUM/: 250 YARDS
FATALITIES: 0
INJURIES: 0

START DATE: JUN 10 2014
START TIME: 143 PM CDT
START LOCATION: 3 S SCOTTSBORO AL /PRELIMINARY/
START LAT/LON: 34.6365/-86.0167 /PRELIMINARY/

END DATE: JUN 10 2014
END TIME: 157 PM CDT
END LOCATION: 3 SE FACKLER AL
END LAT/LON: 34.7587/-85.8687

SURVEY SUMMARY: A TORNADO TOUCHED DOWN BEFORE REACHING THE JACKSON
COUNTY PARK ALONG LAKE GUNTERSVILLE. /NOTE: AN EXACT TOUCHDOWN POINT
IS YET TO BE DETERMINED./ AT THE PARK…IT DOWNED SEVERAL TREES AND
POWERLINES. THE TORNADO SKIPPED AS IT MOVED NORTHEAST TO THE K AND K
TRAILER PARK JUST SOUTH OF ALABAMA HIGHWAY 35…WHERE IT DAMAGED A
METAL SHED…DOWNED MULTIPLE TREES…AND PUSHED TWO MOBILE HOMES OFF
THEIR FOUNDATIONS /THOUGH THE MOBILE HOMES DID NOT APPEAR TO BE
ANCHORED/.

AS IT TRACKED NORTHEAST OF HIGHWAY 35…THE TORNADO APPEARED TO
INTENSIFY…REACHING THE BARBEE ROAD AREA. AT BARBEE ROAD…IT
TOPPLED MORE TREES…COMPLETELY DESTROYED A SMALL BARN…AND SNAPPED
4 OR 5 WOODEN POWER POLES. TREE DAMAGE BECAME MORE CONSISTENT AND
WIDESPREAD AS THE TORNADO CONTINUED NORTHEAST. THE MOST SIGNIFICANT
DAMAGE OCCURRED ALONG COUNTY ROAD /CR/ 33 JUST SOUTH OF RUBY JOHNSON
DRIVE. AT THIS LOCATION…HUNDREDS OF SOFTWOOD AND HARDWOOD TREES
WERE SNAPPED…INCLUDING MANY VERY LARGE TREES. ADDITIONAL MINOR
STRUCTURAL DAMAGE /MAINLY TO ROOFING/ OCCURRED TO HOMES ALONG RUBY
JOHNSON ROAD…AND MORE TREES ALONG BELLE DRIVE WERE SNAPPED AND
UPROOTED.

THE TORNADO CONTINUED TO SNAP TREES AND A FEW WOODEN POWER POLES AS
IT TRACKED NORTHEAST…REACHING THE GROUNDS OF THE BELLEFONTE TVA
FACILITY. HERE IT SNAPPED TREES IN AT LEAST THREE SEPARATE PLACES ON
THE WEST SIDE OF THE FACILITY.

NORTHEAST OF THE BELLEFONTE FACILITY…THERE ARE NO ADDITIONAL
PUBLIC ROADS WITH WHICH TO SURVEY DAMAGE. SEVERAL TREES WERE FOUND TO
BE SNAPPED AT THE NEXT AVAILABLE SURVEY POINT…NEAR THE INTERSECTION
BETWEEN COUNTY ROAD 46 AND COUNTY ROAD 116…3 MILES TO THE NORTHEAST
OF THE BELLEFONTE FACILITY.

LITTLE DAMAGE WAS FOUND NORTHEAST OF THIS LOCATION…SO THE TORNADO
IS PRESUMED TO HAVE LIFTED NEAR THE CR 116/CR 46 INTERSECTION.
ADDITIONAL DAMAGE IN THE STEVENSON AND BRIDGEPORT AREAS IS BELIEVED
TO BE STRAIGHT LINE WINDS /SEE BELOW/.

THANKS TO JACKSON COUNTY EMERGENCY MANAGEMENT…AND HOLLYWOOD
FIRE/RESCUE FOR THEIR ASSISTANCE WITH THIS SURVEY.

-Jake

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