Public Information Statement
Issued by NWS Twin Cities, MN

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NOUS43 KMPX 200447
PNSMPX
MNZ059-060-068-210230-

PUBLIC INFORMATION STATEMENT...UPDATED
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1147 PM CDT SUN JUL 19 2015

...UPDATE TO NWS DAMAGE SURVEY FOR 07/17/2015 TORNADO EVENT...

...EF-1 TORNADO OCCURRED WEST OF WATERTOWN IN CARVER COUNTY
MINNESOTA...

BASED ON LOCAL MEDIA HELICOPTER FOOTAGE...THE BEGINNING POINT HAS
BEEN PUSHED WEST 3/4 MILE TO WEEKS AVENUE. ALSO...THE ENDING POINT
WAS PUSHED NORTH SLIGHTLY TO ACCOUNT FOR STRONGER WINDS ON THE SOUTH
SIDE OF THE TORNADO AT TIME OF DISSIPATION. DAMAGE THERE WAS
PRIMARILY TO THE SOUTH OF THE CENTER OF THE TRACK BECAUSE STRAIGHT
LINE WINDS OFFSET THE NORTHERN SIDE OF THE TORNADO/S INFLUENCE. THIS
WAS ALSO THE CASE AT THE BEGINNING POINT WHEN THE TORNADO WAS FAIRLY
WEAK.

A LINE OF SEVERE THUNDERSTORMS TRACKED EAST ACROSS MOST OF CENTRAL
MINNESOTA DURING THE LATE EVENING OF JULY 17TH. A TORNADO
DEVELOPED ON THE LEADING EDGE OF THIS LINE AND IMPACTED PORTIONS
OF NORTHERN CARVER COUNTY. NWS DUAL POL RADAR OBSERVED TORNADIC
DEBRIS...AND A DAMAGE SURVEY CONFIRMED A 5.2 MILE LONG TORNADO.

RATING: EF-1
ESTIMATED PEAK WIND: 105 MPH
PATH LENGTH /STATUTE/: 5.2 MILES
PATH WIDTH /MAXIMUM/: 500 YARDS
FATALITIES: 0
INJURIES: 0

START DATE: JULY 17 2015
START TIME: 1156 PM CDT
START LOCATION: WEEKS AVENUE JUST SOUTH OF 32ND STREET... 3NNW
HOLLYWOOD
START LAT/LON: 44.9450/-93.9889

END DATE: JULY 18 2015
END TIME: 1202 AM CDT
END LOCATION: NORTH OF ROSE AVENUE AND COUNTY 122... 2WSW WATERTOWN
END LAT/LON: 44.9550/-93.8848

SURVEY SUMMARY: TORNADO SPUN UP 3 MILES NORTH NORTHWEST OF HOLLYWOOD
AND CONTINUED GENERALLY EAST NORTHEAST TO 2 MILES WEST SOUTHWEST OF
WATERTOWN. THE MOST DAMAGE OCCURRED AS THE TORNADO CROSSED VEGA
AVENUE WHERE NUMEROUS TREES WERE SNAPPED AND SOME MINOR STRUCTURAL
DAMAGE WAS FOUND. THERE...A HOME WEATHER STATION RECORDED A 99 MPH
WIND BEFORE IT BLEW OFF THE HOUSE. THE WEATHER STATION REPORT...IN
ADDITION TO THE DEGREE OF TREE DAMAGE...SUPPORTS AN ESTIMATED
MAXIMUM WIND SPEED OF 105 MPH.

EF SCALE: THE ENHANCED FUJITA SCALE CLASSIFIES TORNADOES INTO THE
FOLLOWING CATEGORIES.

EF0...WEAK......65 TO 85 MPH
EF1...WEAK......86 TO 110 MPH
EF2...STRONG....111 TO 135 MPH
EF3...STRONG....136 TO 165 MPH
EF4...VIOLENT...166 TO 200 MPH
EF5...VIOLENT...>200 MPH*

NOTE:
THE INFORMATION IN THIS STATEMENT IS PRELIMINARY AND SUBJECT TO
CHANGE PENDING FINAL REVIEW OF THE EVENT AND PUBLICATION IN NWS
STORM DATA.

$$

BORGHOFF


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