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Displaying AFOS PIL: PNSFGF Product Timestamp: 2020-08-18 19:39 UTC
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485
NOUS43 KFGF 181939
PNSFGF
MNZ003-024-027>032-040-190745-
Public Information Statement
National Weather Service Grand Forks ND
239 PM CDT Tue Aug 18 2020
...NWS DAMAGE SURVEY FOR 08/14/20 TORNADO EVENTs...
...FIVE DISTINCT TORNADOES IN GRANT COUNTY MN...
.OVERVIEW... A number of small supercell thunderstorms
developed quite quickly along a north-south boundary in western
Grant County. Storm Spotters report that cloud base rotation,
funnel formation, and tornado touchdowns proceeded quite rapidly
though earliest storms were fairly weak. The stronger and more
damaging storms developed further south and east along this
initial line.
.TORNADO #1... Northeast of Charlesville MN
Rating: EF-0
Estimated peak wind: 65 mph
Path length /Statute/: 0.5 miles
Path width /Maximum/: 30 yards
Fatalities: 0
Injuries: 0
Start date: Aug 14 2020
Start time: 335 pm CDT
Start location: 2 NE Charlesville / Grant County / MN
Start Lat/Lon: 45.9719 / -96.2285
End date: Aug 14 2020
End time: 337 pm CDT
End location: 2.5 NE Charlesville / Grand County / MN
End Lat/Lon: 45.9745 / -96.2156
SURVEY SUMMARY: THIS TORNADO FORMED AND DISSIPATED FAIRLY QUICKLY. IT
LEFT SLIGHT MARKING IN A SOYBEAN FIELD AS NOTED BY VIDEO
AND DAMAGE SURVEY TEAM REVIEW.
.TORNADO #2... Southwest of Wendell MN
Rating: EF-0
Estimated peak wind: 75 mph
Path length /Statute/: 4.0 miles
Path width /Maximum/: 50 yards
Fatalities: 0
Injuries: 0
Start date: Aug 14 2020
Start time: 338 pm CDT
Start location: 4 ENE Charlesville / Grant County / MN
Start Lat/Lon: 45.9595 / -96.1854
End date: Aug 14 2020
End time: 447 pm CDT
End location: 3.5 S Wendell / Grant County / MN
End Lat/Lon: 45.9855 / -96.1039
SURVEY SUMMARY: THIS FORMED VERY QUICKLY TO THE WSW OF ELBOW LAKE
AND TRACKED TO THE SOUTH OF WENDELL OR DUE WEST OF
ELBOW LAKE. IT STAYED LARGELY OVER OPEN FIELDS, BUT
LEFT MINOR MARKINGS IN CORN AND SOYBEAN FIELDS AS
NOTED IN VIDEO AND CONFIRMED BY A STORM DAMAGE SURVEY
TEAM. ONCE THE TORNADO LIFTED A FUNNEL CLOUD WAS EVIDENT
FOR SEVERAL MINUTES AND PASSED JUST TO THE NORTHWEST
OF ELBOW LAKE.
.TORNADO #3... South of Wendell MN
Rating: EF-0
Estimated peak wind: 70 mph
Path length /Statute/: 1.0 miles
Path width /Maximum/: 40 yards
Fatalities: 0
Injuries: 0
Start date: Aug 14 2020
Start time: 339 pm CDT
Start location: 7 E Charlesville / Grant County / MN
Start Lat/Lon: 45.9432 / -96.1235
End date: Aug 14 2020
End time: 342 pm CDT
End location: 7 WSW Elbow Lake / Grand County / MN
End Lat/Lon: 45.9497 / -96.1022
SURVEY SUMMARY: THIS TORNADO TRACKED OVER OPENED FIELD AND PASTURE
LAND, BUT LEFT SLIGHT MARKING AS NOTED VIA VIDEO AND A
STORM DAMAGE SURVEY TEAM.
.TORNADO #4... Near Elbow Lake MN
Rating: EF-2
Estimated peak wind: 115 mph
Path length /Statute/: 14.0 miles
Path width /Maximum/: 250 yards
Fatalities: 0
Injuries: 0
Start date: Aug 14 2020
Start time: 342 pm CDT
Start location: 9 W Barrett / Grant County / MN
Start Lat/Lon: 95.9188 / -96.0919
End date: Aug 14 2020
End time: 408 pm CDT
End location: 6 ENE Elbow Lake / Grant County/ MN
End Lat/Lon: 46.0105 / -95.8630
SURVEY SUMMARY: THIS TORNADO TOUCHED DOWN IN FAR NORTHERN
DELAWARE TOWNSHIP, CROSSED SOUTHERN SANFORD TOWNSHIP,
AND LIFTED IN NORTHWEST ERDAHL TOWNSHIP. IT CROSSED US
HWY 59 ABOUT 2 MILES SOUTH OF ELBOW LAKE, THE SOUTH
END OF POMME DE TERRE LAKE, AND THE TIPSINAH MOUNDS
GOLF COURSE. IT SNAPPED AND UPROOTED NUMEROUS TREES,
SEVERAL POWER POLES AT 4 DIFFERENT LOCATIONS, AND
RAVAGED CORN FIELDS. IT TORE DOWN A SMALL TOWER, AND
TORE ROOFING AND ROOF SECTIONS FROM HOMES AND A GOLF
COURSE CLUBHOUSE.
.TORNADO #5... Northwest of Hoffman MN
Rating: EF-1
Estimated peak wind: 95 mph
Path length /Statute/: 2.0 miles
Path width /Maximum/: 150 yards
Fatalities: 0
Injuries: 0
Start date: Aug 14 2020
Start time: 350 pm CDT
Start location: 3 WNW Hoffman / Grant County / MN
Start Lat/Lon: 45.8478 / -95.8518
End date: Aug 14 2020
End time: 354 pm CDT
End location: 2 NNW Hoffman / Grant County / MN
End Lat/Lon: 45.8627 / -95.8209
SURVEY SUMMARY: THIS TORNADO HAD A PERSISTENT WALL CLOUD FOR SEVERAL
MINUTES PRIOR TO TORNADO DEVELOPMENT. THE TORNADO QUICKLY
BECAME RAIN WRAPPED AS IT TRACKED OVER HAYER SLOUGH IN
SOUTHCENTRAL ELK LAKE TOWNSHIP. IT SNAPPED OR UPROOTED
SEVERAL TREES, AND TORE ROOFING OFF OF A HOME AND A
POLESHED BEFORE PASSING OVER HWY 55 AS CONFIRMED BY A
STORM SURVEY TEAM.
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 events and publication in
NWS Storm Data.
$$
Gust
091
NOUS43 KFGF 190449 CCA
PNSFGF
MNZ003-024-027>032-040-190745-
Public Information Statement
National Weather Service Grand Forks ND
239 PM CDT Tue Aug 18 2020
...NWS DAMAGE SURVEY FOR 08/14/20 TORNADO EVENTs...
...FIVE DISTINCT TORNADOES IN GRANT COUNTY MN...
.OVERVIEW... A number of small supercell thunderstorms
developed quite quickly along a north-south boundary in western
Grant County. Storm Spotters report that cloud base rotation,
funnel formation, and tornado touchdowns proceeded quite rapidly
though earliest storms were fairly weak. The stronger and more
damaging storms developed further south and east along this
initial line.
.TORNADO #1... Northeast of Charlesville MN
Rating: EF-0
Estimated peak wind: 65 mph
Path length /Statute/: 0.5 miles
Path width /Maximum/: 30 yards
Fatalities: 0
Injuries: 0
Start date: Aug 14 2020
Start time: 338 pm CDT
Start location: 2 NE Charlesville / Grant County / MN
Start Lat/Lon: 45.9719 / -96.2285
End date: Aug 14 2020
End time: 340 pm CDT
End location: 2.5 NE Charlesville / Grand County / MN
End Lat/Lon: 45.9745 / -96.2156
SURVEY SUMMARY: THIS TORNADO FORMED AND DISSIPATED FAIRLY QUICKLY. IT
LEFT SLIGHT MARKING IN A SOYBEAN FIELD AS NOTED BY VIDEO
AND DAMAGE SURVEY TEAM REVIEW.
.TORNADO #2... Southwest of Wendell MN
Rating: EF-0
Estimated peak wind: 75 mph
Path length /Statute/: 4.0 miles
Path width /Maximum/: 50 yards
Fatalities: 0
Injuries: 0
Start date: Aug 14 2020
Start time: 337 pm CDT
Start location: 4 ENE Charlesville / Grant County / MN
Start Lat/Lon: 45.9595 / -96.1854
End date: Aug 14 2020
End time: 347 pm CDT
End location: 3.5 S Wendell / Grant County / MN
End Lat/Lon: 45.9855 / -96.1039
SURVEY SUMMARY: THIS FORMED VERY QUICKLY TO THE WSW OF ELBOW LAKE
AND TRACKED TO THE SOUTH OF WENDELL OR DUE WEST OF
ELBOW LAKE. IT STAYED LARGELY OVER OPEN FIELDS, BUT
LEFT MINOR MARKINGS IN CORN AND SOYBEAN FIELDS AS
NOTED IN VIDEO AND CONFIRMED BY A STORM DAMAGE SURVEY
TEAM. ONCE THE TORNADO LIFTED A FUNNEL CLOUD WAS EVIDENT
FOR SEVERAL MINUTES AND PASSED JUST TO THE NORTHWEST
OF ELBOW LAKE.
.TORNADO #3... South of Wendell MN
Rating: EF-0
Estimated peak wind: 70 mph
Path length /Statute/: 1.0 miles
Path width /Maximum/: 40 yards
Fatalities: 0
Injuries: 0
Start date: Aug 14 2020
Start time: 339 pm CDT
Start location: 7 E Charlesville / Grant County / MN
Start Lat/Lon: 45.9432 / -96.1235
End date: Aug 14 2020
End time: 342 pm CDT
End location: 7 WSW Elbow Lake / Grand County / MN
End Lat/Lon: 45.9497 / -96.1022
SURVEY SUMMARY: THIS TORNADO TRACKED OVER OPENED FIELD AND PASTURE
LAND, BUT LEFT SLIGHT MARKING AS NOTED VIA VIDEO AND A
STORM DAMAGE SURVEY TEAM.
.TORNADO #4... Near Elbow Lake MN
Rating: EF-2
Estimated peak wind: 115 mph
Path length /Statute/: 14.0 miles
Path width /Maximum/: 250 yards
Fatalities: 0
Injuries: 0
Start date: Aug 14 2020
Start time: 342 pm CDT
Start location: 9 W Barrett / Grant County / MN
Start Lat/Lon: 95.9188 / -96.0919
End date: Aug 14 2020
End time: 408 pm CDT
End location: 6 ENE Elbow Lake / Grant County/ MN
End Lat/Lon: 46.0105 / -95.8630
SURVEY SUMMARY: THIS TORNADO TOUCHED DOWN IN FAR NORTHERN
DELAWARE TOWNSHIP, CROSSED SOUTHERN SANFORD TOWNSHIP,
AND LIFTED IN NORTHWEST ERDAHL TOWNSHIP. IT CROSSED US
HWY 59 ABOUT 2 MILES SOUTH OF ELBOW LAKE, THE SOUTH
END OF POMME DE TERRE LAKE, AND THE TIPSINAH MOUNDS
GOLF COURSE. IT SNAPPED AND UPROOTED NUMEROUS TREES,
SEVERAL POWER POLES AT 4 DIFFERENT LOCATIONS, AND
RAVAGED CORN FIELDS. IT TORE DOWN A SMALL TOWER, AND
TORE ROOFING AND ROOF SECTIONS FROM HOMES AND A GOLF
COURSE CLUBHOUSE.
.TORNADO #5... Northwest of Hoffman MN
Rating: EF-1
Estimated peak wind: 95 mph
Path length /Statute/: 2.0 miles
Path width /Maximum/: 150 yards
Fatalities: 0
Injuries: 0
Start date: Aug 14 2020
Start time: 350 pm CDT
Start location: 3 WNW Hoffman / Grant County / MN
Start Lat/Lon: 45.8478 / -95.8518
End date: Aug 14 2020
End time: 354 pm CDT
End location: 2 NNW Hoffman / Grant County / MN
End Lat/Lon: 45.8627 / -95.8209
SURVEY SUMMARY: THIS TORNADO HAD A PERSISTENT WALL CLOUD FOR SEVERAL
MINUTES PRIOR TO TORNADO DEVELOPMENT. THE TORNADO QUICKLY
BECAME RAIN WRAPPED AS IT TRACKED OVER HAYER SLOUGH IN
SOUTHCENTRAL ELK LAKE TOWNSHIP. IT SNAPPED OR UPROOTED
SEVERAL TREES, AND TORE ROOFING OFF OF A HOME AND A
POLESHED BEFORE PASSING OVER HWY 55 AS CONFIRMED BY A
STORM SURVEY TEAM.
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 events and publication in
NWS Storm Data.
A correction to the Public Information Statement was made to account
for slight adjustments to the start and end times of the first three
tornadoes.
$$
Gust/CJ