Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 33, NWS Grand Forks, ND

June 13, 20175 counties in Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 13, 2017, 3:06 PM CDT for 5 counties in Minnesota. It was in force for 54 min. 4 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
Jun 13, 2017, 3:06 PM CDT (20:06 UTC)
Expired
Jun 13, 2017, 4:00 PM CDT
In force
54 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Beltrami County, MN, Clearwater County, MN, Hubbard County, MN, Mahnomen County, MN, Polk County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 136 km from the middle of the area, began a volume at 20:09 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
Jun 13, 3:35 PM CDTHAIL 15 Nnw Mahkonce, MNVERY HEAVY RAIN AND DIME TO QUARTER SIZED HAIL.
Jun 13, 3:35 PM CDTHAIL 15 Wnw Mahkonce, MNVERY HEAVY RAIN AND DIME TO QUARTER SIZED HAIL.
Jun 13, 3:45 PM CDTHAIL 1.254 S Lengby, MNA FEW NICKEL TO HALF DOLLAR HAIL IN VERY HEAVY RAIN.
Jun 13, 4:06 PM CDTHAIL 110 N Bemidji, MNALONG IRVINE AVE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched 3 storm reports to this severe thunderstorm warning; the first came 29 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 8.1 hours before the alert went out and 198 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, International Fa, MN at 12:00Z on 2017-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, International Fa, MN at 12:00Z on 2017-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 109 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1830 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
109 m²/s²
0-3 km storm-relative helicity
167 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

966 
WUUS53 KFGF 132006
SVRFGF
MNC007-029-057-087-119-132100-
/O.NEW.KFGF.SV.W.0033.170613T2006Z-170613T2100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Eastern ND/Grand Forks ND
306 PM CDT TUE JUN 13 2017

The National Weather Service in Grand Forks has issued a

* Severe Thunderstorm Warning for...
  Northwestern Hubbard County in north central Minnesota...
  Southeastern Polk County in northwestern Minnesota...
  Southern Beltrami County in north central Minnesota...
  Eastern Mahnomen County in northwestern Minnesota...
  Clearwater County in northwestern Minnesota...

* Until 400 PM CDT.

* At 305 PM CDT, a severe thunderstorm was located near Beaulieu, or
  34 miles north of Detroit Lakes, moving northeast at 40 mph.

  HAZARD...60 mph wind gusts and quarter size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees. 

* This severe thunderstorm will be near...
  Mahkonce and Roy Lake around 315 PM CDT. 
  Island Lake in Mahnomen County and Pine Bend around 320 PM CDT. 
  Rice Lake and Lengby around 325 PM CDT. 
  Ebro around 330 PM CDT. 
  Bagley around 340 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4718 9572 4721 9594 4793 9564 4793 9558
      4805 9559 4752 9441
TIME...MOT...LOC 2005Z 221DEG 34KT 4730 9573 

HAIL...1.00IN
WIND...60MPH
 
$$

Lee
2 follow-up statements
352 
WWUS53 KFGF 132026
SVSFGF

Severe Weather Statement
National Weather Service Eastern ND/Grand Forks ND
326 PM CDT TUE JUN 13 2017

MNC007-029-057-087-119-132100-
/O.CON.KFGF.SV.W.0033.000000T0000Z-170613T2100Z/
Hubbard MN-Polk MN-Beltrami MN-Mahnomen MN-Clearwater MN-
326 PM CDT TUE JUN 13 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM CDT
FOR NORTHWESTERN HUBBARD...SOUTHEASTERN POLK...SOUTHERN BELTRAMI...
EASTERN MAHNOMEN AND CLEARWATER COUNTIES...

At 325 PM CDT, a severe thunderstorm was located over Pine Bend, or
30 miles west of Bemidji, moving northeast at 40 mph.

HAZARD...60 mph wind gusts and quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees. 

This severe storm will be near...
  Bagley around 340 PM CDT. 
  Shevlin around 345 PM CDT. 
  Clearbrook around 350 PM CDT. 
  Leonard around 355 PM CDT. 
  Debs around 400 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4727 9567 4721 9594 4793 9564 4793 9558
      4805 9559 4752 9441 4731 9523 4730 9541
TIME...MOT...LOC 2025Z 221DEG 34KT 4745 9554 

HAIL...1.00IN
WIND...60MPH
 
$$

Lee
518 
WWUS53 KFGF 132040
SVSFGF

Severe Weather Statement
National Weather Service Eastern ND/Grand Forks ND
340 PM CDT TUE JUN 13 2017

MNC007-029-057-087-119-132100-
/O.CON.KFGF.SV.W.0033.000000T0000Z-170613T2100Z/
Hubbard MN-Polk MN-Beltrami MN-Mahnomen MN-Clearwater MN-
340 PM CDT TUE JUN 13 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM CDT
FOR NORTHWESTERN HUBBARD...SOUTHEASTERN POLK...SOUTHERN BELTRAMI...
NORTHEASTERN MAHNOMEN AND CLEARWATER COUNTIES...

At 339 PM CDT, a severe thunderstorm was located over Ebro, or 28
miles west of Bemidji, moving northeast at 50 mph.

HAZARD...60 mph wind gusts and quarter size hail. 

SOURCE...Public. At 335 pm, quarter size hail was reported 5 miles 
         WNW of Mahkonce.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees. 

This severe storm will be near...
  Bagley around 345 PM CDT. 
  Shevlin around 350 PM CDT. 
  Leonard, Pinewood and Debs around 400 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4734 9562 4730 9589 4793 9564 4793 9558
      4805 9559 4752 9441 4735 9518 4739 9539
TIME...MOT...LOC 2039Z 225DEG 44KT 4748 9549 

HAIL...1.00IN
WIND...60MPH
 
$$

Lee

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Grand Forks, ND wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 13, 2:33 PM CDT, 33 minutes earlier.

Area forecast discussion, Jun 13, 2:33 PM CDT, 33 minutes before
Area Forecast Discussion
National Weather Service Grand Forks ND
233 PM CDT Tue Jun 13 2017

.SHORT TERM...(This evening through Wednesday)
Issued at 230 PM CDT Tue Jun 13 2017

Coverage and location of severe storms this afternoon/evening main
challenge and impacts through the short term.

Still monitoring storm potential as several scenarios could play
out affecting severe storms and associated hazards. Surface low
remains over se SD with warm front through east central SD into s
MN. Some model guidance lifts the low into se ND however Clouds
over ne SD may be hindering northward progress of low. this would
lessen the significant tornado threat somewhat. Another scenario
could be development along a boundary or pseudo dry line initially
over se ND mid late afternoon developing northward through the
evening. Tornadoes could initially develop however this case would
be more supportive of a large hail and damaging wind event. In
either case will continue to monitor conditions closely. Storms
will continue to propagate east through evening weakening late
this evening.

Wednesday for the most part should be dry other than some
lingering shra over the far ne in the morning and across the far
north in wrap around later in the afternoon. highs will be close
to average.

.LONG TERM...(Wednesday night through Tuesday)
Issued at 230 PM CDT Tue Jun 13 2017

The extended period begins with zonal flow over the area in the wake
of a departed low pressure system, with the jet beginning to sag
south of the area. Expect a few disturbances to move through the
flow bringing chances for more precipitation.

By Saturday, low pressure develops south of the forecast area with
the greatest risk for pcpn across South Dakota and southern
Minnesota. Upper level low pressure crossing North Dakota will
provide sufficient lift to trigger showers across the area. By
Sunday, conditions will be a bit more tranquil.

Otherwise, temperatures through the end of the period will generally
stay on the warm side, with upper 70s to low 80s for highs.

&&

.AVIATION...(For the 18Z TAFS through 18Z Wednesday afternoon)
Issued at 1246 PM CDT Tue Jun 13 2017

Main challenge will be timing and coverage of storms and related
vsby and cigs. Uncertainty continues as to timing and coverage of
storms. Clearing this am beginning to fill in with mvfr cigs which
could impact storm coverage. Followed the HRRR on development
however will likely see changes through the period as storms
develop.

&&

.FGF WATCHES/WARNINGS/ADVISORIES...
ND...None.
MN...None.
&&

SHORT TERM...Voelker
LONG TERM...Hopkins
AVIATION...av
Hazardous weather outlook, Jun 13, 4:11 AM CDT, 10 hours 55 minutes before
Hazardous Weather Outlook
National Weather Service Grand Forks ND
411 AM CDT Tue Jun 13 2017

MNZ002-003-022-027>032-040-NDZ028>030-038-039-049-052-053-140915-
Norman-Clay-Mahnomen-West Becker-East Becker-Wilkin-
West Otter Tail-East Otter Tail-Wadena-Grant-Griggs-Steele-Traill-
Barnes-Cass-Ransom-Sargent-Richland-
411 AM CDT Tue Jun 13 2017

This hazardous weather outlook is for portions of eastern North
Dakota, west central and northwest Minnesota.

.DAY ONE...Today and Tonight

Two rounds of showers and thunderstorms are expected today. The
first round will arrive early this morning, with a second round
developing this afternoon and continuing through the evening and
into the overnight hours. Hail to golf ball size, damaging winds
to 80 mph, several tornadoes, and localized flash flooding are all
possible. The greatest potential for strong tornadoes exists in
the far southern Red River valley into west central Minnesota.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

There will be periods of showers and thunderstorms across the
region from Thursday through next Monday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be required.

MNZ001-004>009-013>017-023-024-NDZ006>008-014>016-024-026-027-054-
140915-
West Polk-Kittson-Roseau-Lake Of The Woods-West Marshall-
East Marshall-North Beltrami-Pennington-Red Lake-East Polk-
North Clearwater-South Beltrami-South Clearwater-Hubbard-Towner-
Cavalier-Pembina-Benson-Ramsey-Eastern Walsh County-Eddy-Nelson-
Grand Forks-Western Walsh County-
411 AM CDT Tue Jun 13 2017

This hazardous weather outlook is for portions of eastern North
Dakota, west central and northwest Minnesota.

.DAY ONE...Today and Tonight

Two rounds of showers and thunderstorms are expected today. The
first round will arrive early this morning, with a second round
developing this afternoon and continuing through the evening and
into the overnight hours. Hail to golf ball size, damaging winds
to 80 mph, tornadoes, and localized flash flooding are all
possible.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

There will be periods of showers and thunderstorms across the
region from Thursday through next Monday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be required.

BP

In the hours before

Local storm report, Jun 13, 1:31 PM CDT, 1 hour 35 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
131 PM CDT TUE JUN 13 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1254 PM     NON-TSTM WND GST 2 NNW WARROAD           48.94N 95.34W
06/13/2017  M67.00 MPH       ROSEAU             MN   AWOS

            PEAK WINDS MEASURED AT THE WARROAD AIRPORT. MULTIPLE
            TREES UPROOTED AROUND TOWN.

&&

GGUST
Local storm report, Jun 13, 2:15 PM CDT, 51 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
215 PM CDT TUE JUN 13 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0200 PM     TSTM WND DMG     WILLIAMS                48.77N 94.95W
06/13/2017                   LAKE OF THE WOODS  MN   TRAINED SPOTTER

            THREE-INCH DIAMETER LIMBS BROKEN OFF TREES. TWO TREES OF
            8 TO 10 INCH DIAMETER HAD TOPS BROKEN OFF.

&&

HOPKINS
Local storm report, Jun 13, 2:26 PM CDT, 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
226 PM CDT TUE JUN 13 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1215 PM     NON-TSTM WND GST 2 E ROSEAU              48.85N 95.72W
06/13/2017  M60 MPH          ROSEAU             MN   MESONET

            PEAK WIND MEASURED BY THE ROSEAU RAWS STATION. TIME
            ESTIMATED.

&&

GGUST
Local storm report, Jun 13, 2:32 PM CDT, 34 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
232 PM CDT TUE JUN 13 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0459 AM     HAIL             3 WSW FORMAN            46.09N 97.69W
06/13/2017  E1.00 INCH       SARGENT            ND   PUBLIC

            HAIL FROM DIME TO QUARTER SIZED FELL OVER A 3 TO 4 MINUTE
            PERIOD ACROSS PORTIONS OF CENTRAL FORMAN TOWNSHIP.

0935 AM     HEAVY RAIN       NEW YORK MILLS          46.52N 95.37W
06/13/2017  M1.85 INCH       OTTER TAIL         MN   CO-OP OBSERVER

            RAIN FELL FROM APPROXIMATELY 730 AM TO 820 AM. DITCHES
            FULL IN CITY.

0944 AM     NON-TSTM WND GST 4 NE HENDRUM            47.30N 96.75W
06/13/2017  M60.00 MPH       NORMAN             MN   MESONET

            PEAK WINDS MEASURED AT RWIS STATION ALONG HIGHWAY 200
            NORTHEAST OF HENDRUM.

0947 AM     NON-TSTM WND GST GRAND FORKS             47.92N 97.07W
06/13/2017  M70.00 MPH       GRAND FORKS        ND   ASOS

            RELAYED BY WEATHER OBSERVER AT THE GRAND FORKS
            INTERNATIONAL AIRPORT.

0948 AM     NON-TSTM WND DMG GRAND FORKS             47.92N 97.07W
06/13/2017                   GRAND FORKS        ND   NWS EMPLOYEE

            30 FOOT LIGHT POLE BLOWN DOWN INTO STREET AT NWS OFFICE.
            STOP SIGN ALSO BLOWN OVER AT STREET INTERSECTION AT NWS
            OFFICE.

0953 AM     NON-TSTM WND GST 4 S GRAND FORKS         47.86N 97.07W
06/13/2017  M59.00 MPH       GRAND FORKS        ND   MESONET

            PEAK WIND MEASURED AT THE NDAWN STATION SOUTH OF GRAND
            FORKS.

0953 AM     NON-TSTM WND GST 3 S GRAND FORKS         47.87N 97.07W
06/13/2017  M59.00 MPH       GRAND FORKS        ND   MESONET

            PEAK WINDS MEASURED AT NDAWN STATION 3 S GRAND FORKS.

0955 AM     NON-TSTM WND GST 2 ESE GRAFTON           48.40N 97.36W
06/13/2017  M66.00 MPH       WALSH              ND   AWOS

            PEAK WINDS MEASURED AT THE GRAFTON AIRPORT.

0958 AM     NON-TSTM WND DMG GRAFTON                 48.42N 97.40W
06/13/2017                   WALSH              ND   PUBLIC

            SEVERAL LARGE TREES BLOWN DOWN AROUND THE CITY.

0959 AM     NON-TSTM WND GST 3 NNW GRAND FORKS       47.96N 97.10W
06/13/2017  M70.00 MPH       GRAND FORKS        ND   MESONET

            PEAK WINDS MEASURED AT THE RWIS ALONG I-29.

1005 AM     NON-TSTM WND DMG GRAND FORKS             47.92N 97.07W
06/13/2017                   GRAND FORKS        ND   PUBLIC

            20 FOOT HIGH TREE APPROXIMATELY 6-8 INCHES IN DIAMETER
            BLOWN DOWN IN THE VICINITY OF 20TH AVENUE SOUTH.

1010 AM     NON-TSTM WND GST 2 ESE MALLORY           47.87N 96.87W
06/13/2017  M68.00 MPH       POLK               MN   MESONET

            PEAK WINDS MEASURED AT THE RWIS STATION ALONG HIGHWAY 2.

1015 AM     NON-TSTM WND DMG EAST GRAND FORKS        47.93N 97.02W
06/13/2017                   POLK               MN   TRAINED SPOTTER

            SPOTTER REPORTS SEVERAL TREES DOWNED IN EAST GRAND FORKS.

1015 AM     NON-TSTM WND GST 8 SE EAST GRAND FORKS   47.85N 96.89W
06/13/2017  M68.00 MPH       POLK               MN   MESONET

            PEAK WINDS MEASURED AT THE RWIS STATION NEAR MM 8 ALONG
            HIGHWAY 2.

1018 AM     TSTM WND GST     6 SW WARREN             48.13N 96.86W
06/13/2017  M62.00 MPH       POLK               MN   MESONET

            PEAK WINDS MEASURED AT AN NDAWN STATION BETWEEN WARREN
            AND TABOR.

1020 AM     HIGH SUST WINDS  2 WSW DONALDSON         48.56N 96.94W
06/13/2017  M40.00 MPH       KITTSON            MN   MESONET

            SUSTAINED WINDS AT 40 MPH GUSTING TO 48 MPH.

1028 AM     NON-TSTM WND GST 1 W BOWESMONT           48.69N 97.20W
06/13/2017  M66.00 MPH       PEMBINA            ND   MESONET

            PEAK WINDS MEASURED AT THE RWIS STATION ALONG I-29 NEAR
            MP 195.

1031 AM     NON-TSTM WND GST 2 W ANGUS               48.08N 96.75W
06/13/2017  M79.00 MPH       POLK               MN   MESONET

            PEAK WINDS MEASURED AT A PERSONAL WEATHER STATION.

1100 AM     HIGH SUST WINDS  2 S THIEF RIVER FALLS   48.08N 96.18W
06/13/2017  M41.00 MPH       PENNINGTON         MN   AWOS

            SUSTAINED WINDS MEASURED AT 41 MPH WITH GUSTS TO 49 MPH
            AT THE THIEF RIVER FALLS AIRPORT.

1105 AM     HIGH SUST WINDS  2 S BROOKS              47.79N 96.00W
06/13/2017  M45.00 MPH       RED LAKE           MN   MESONET

            MEASURED SUSTAINED WINDS AT 45 MPH WITH GUSTS TO 56 MPH
            AT THE RWIS STATION ALONG HIGHWAY 59.

1126 AM     NON-TSTM WND GST 7 SE MIDDLE RIVER       48.36N 96.05W
06/13/2017  M65.00 MPH       MARSHALL           MN   MESONET

            PEAK WINDS MEASURED AT A PERSONAL WEATHER STATION.

1200 PM     HIGH SUST WINDS  2 E GATZKE              48.42N 95.74W
06/13/2017  E40.00 MPH       MARSHALL           MN   MESONET

            SUSTAINED WINDS MEASURED AT 40 MPH WITH GUSTS TO 51 MPH.

1215 PM     NON-TSTM WND GST 2 E ROSEAU              48.85N 95.72W
06/13/2017  M60.00 MPH       ROSEAU             MN   MESONET

            PEAK WIND MEASURED BY THE ROSEAU RAWS STATION. TIME
            ESTIMATED.

1254 PM     NON-TSTM WND GST 2 NNW WARROAD           48.94N 95.34W
06/13/2017  M67.00 MPH       ROSEAU             MN   AWOS

            PEAK WINDS MEASURED AT THE WARROAD AIRPORT. MULTIPLE
            TREES UPROOTED AROUND TOWN.

0200 PM     TSTM WND DMG     WILLIAMS                48.77N 94.95W
06/13/2017                   LAKE OF THE WOODS  MN   TRAINED SPOTTER

            THREE-INCH DIAMETER LIMBS BROKEN OFF TREES. TWO TREES OF
            8 TO 10 INCH DIAMETER HAD TOPS BROKEN OFF.

&&

GGUST
Local storm report, Jun 13, 3:02 PM CDT, 4 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
302 PM CDT TUE JUN 13 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1215 PM     FUNNEL CLOUD     1 N MCCANNA             48.02N 97.71W
06/07/2017                   GRAND FORKS        ND   TRAINED SPOTTER

            OBSERVER SITUATED HALFWAY BETWEEN NIAGRA AND MCCANNA.

1235 PM     FUNNEL CLOUD     3 NNE MCCANNA           48.05N 97.68W
06/07/2017                   GRAND FORKS        ND   PUBLIC

            TWO FUNNELS WERE VIEWED OVER AGNES TOWNSHIP...BETWEEN
            MCCANNA AND INKSTER...BETWEEN 1230 AND 1240 PM CDT.
            MULTIPLE REPORTS CAME FROM OBSERVERS NEAR LARIMORE AND
            FROM THE KOLDING DAN RECREATION AREA. PHOTOS POSTED VIA
            SOCIAL MEDIA.

1249 PM     TORNADO          6 SSW INKSTER           48.07N 97.69W
06/07/2017  F0               GRAND FORKS        ND   OTHER FEDERAL

            THIS TORNADO WAS ORIGINALLY REPORTED BY GFK/ATC AND GFAFB
            OFFICIALS. A DAMAGE SURVEY FOUND THAT THE TORNADO TRACKED
            TO THE EAST-NORTHEAST OVER LARGELY OPEN FIELDS. IT LIKELY
            TRACKED FOR LESS THAN HALF A MILE AND DISSIPATED BY 1252
            PM CDT. PEAK WINDS ESTIMATED TO 70 MPH. MAXIMUM WIDTH
            ESTIMATED TO 25 YARDS.

1250 PM     FUNNEL CLOUD     4 SSW ARVILLA           47.87N 97.53W
06/07/2017                   GRAND FORKS        ND   LAW ENFORCEMENT

            BEGINNING STAGE OF FUNNEL FORMATION.

1259 PM     TORNADO          2 WSW HATTON            47.62N 97.50W
06/07/2017  F0               STEELE             ND   OTHER FEDERAL

            THIS TORNADO WAS VIEWED BY GFK ATC FOR NEARLY 11 MINUTES
            UNTIL ABOUT 110 PM CDT AND WAS INITIALLY ESTIMATED AT 7
            SW GFK. THIS TORNADO TRACKED NEARLY 3 MILES FROM ABOUT 2
            WSW OF HATTON TO AROUND 1N OF HATTON BY 110 PM CDT. THE
            TORNADO HAD A DRAMATIC DUST SWIRL WHICH WAS CAPTURED ON
            VIDEO AND PHOTOS. SOME GROUND SCARRING WAS EVIDENT,
            OTHERWISE NO DAMAGE WAS DETECTED. PEAK WINDS ESTIMATED TO
            80 MPH. MAXIMUM WIDTH ESTIMATED TO 75 YARDS.

0102 PM     TORNADO          2 S ARVILLA             47.89N 97.49W
06/07/2017  F0               GRAND FORKS        ND   LAW ENFORCEMENT

            THIS TORNADO APPARENTLY TOUCHED DOWN AROUND 2 MILES SOUTH
            OF ARVILLA AND TRACKED VERY SLOWLY TO THE ENE ACROSS CR2
            FOR ABOUT A QUARTER OF A MILE, ENDING BY 104 PM CDT. NO
            SIGNIFICANT DAMAGE WAS DETECTED. PEAK WINDS ESTIMATED TO
            70 MPH. MAXIMUM WIDTH ESTIMATED TO 50 YARDS.

0113 PM     TORNADO          2 NW MAYVILLE           47.52N 97.36W
06/07/2017  F0               TRAILL             ND   LAW ENFORCEMENT

            A TORNADO TOUCHED DOWN AND TRACKED FOR AROUND 1.5 MILES
            TO ABOUT 3 MILES NORTH OF MAYVILLE BY 118 PM CDT. THIS
            TORNADO WAS VIEWED BY LOCAL RESIDENTS AND THE TOUCHDOWN
            WAS PHOTOGRAPHED BY OBSERVERS ON I-29, MORE THAN 11 MILES
            DUE EAST OF THE TOUCHDOWN LOCATION. THOUGH THE TALL DUST
            SWIRL CROSSED CR14 THERE WAS NO SIGNIFICANT DAMAGE
            DETECTED. PEAK WINDS ESTIMATED TO 75 MPH. MAXIMUM WIDTH
            ESTIMATED TO 100 YARDS.

0117 PM     TORNADO          3 W EMERADO             47.92N 97.43W
06/07/2017  F0               GRAND FORKS        ND   PUBLIC

            A FUNNEL CLOUD WAS REPORTED BY GFAFB OBSERVERS
            WEST-SOUTHWEST OF THEIR LOCATION. A DAMAGE SURVEY NOTED
            AN APPARENT BRIEF TOUCHDOWN WITH BROKEN BRACHES IN A
            SHELTER BELT JUST SOUTH OF HIGHWAY 2 AND WITH BRANCH
            DEBRIS FLUNG EASTWARD INTO THE ADJACENT FIELD. THE
            TORNADO TRACKED EAST-NORTHEAST FOR ABOUT ONE HALF MILE
            AND ENDED BY 119 PM CDT. PEAK WINDS ESTIMATED TO 75 MPH.
            MAXIMUM WIDTH ESTIMATED TO 100 YARDS.

0118 PM     TORNADO          5 SSE HATTON            47.57N 97.42W
06/07/2017  F0               TRAILL             ND   LAW ENFORCEMENT

            THIS TORNADO TRACK EAST-NORTHEAST FOR NEARLY 4 MILES TO
            AROUND 7 NORTH OF MAYVILLE BY 128 PM CDT. THIS TORNADO
            PRODUCED A TALL DUST SWIRL BUT LITTLE TO NO APPARENT
            DAMAGE. PEAK WINDS ESTIMATED TO 75 MPH. MAXIMUM WIDTH
            ESTIMATED TO 100 YARDS.

0118 PM     TORNADO          7 S EMERADO             47.82N 97.36W
06/07/2017  F0               GRAND FORKS        ND   911 CALL CENTER

            A DEPUTY REPORTED A TOUCHDOWN AROUND 2 MILES SOUTH OF THE
            INTERSECTION OF GF CR3 AND CR6. THE TORNADO APPEARED TO
            TRACKED EASTWARD FOR ABOUT A MILE OVER A 2 TO 3 MINUTE
            SPAN AND ENDED BY 121 PM CDT. THIS TORNADO WAS VIEWED AND
            REPORTED BY GFAFB OBSERVERS AND WAS ALSO VIDEOED FROM A
            POINT SOUTH OF GFK LOOKING WEST. THOUGH THE TORNADO
            TRACKED OVER FIELDS AND SHELTER BELTS THERE WAS NO
            SIGNIFICANT DAMAGE NOTED. PEAK WINDS ESTIMATED TO 70 MPH.
            MAXIMUM WIDTH ESTIMATED TO 100 YARDS.

0119 PM     FUNNEL CLOUD     4 NE HATTON             47.68N 97.40W
06/07/2017                   GRAND FORKS        ND   LAW ENFORCEMENT

            FUNNEL CLOUD SEEN REFORMING AND MOVING TOWARDS HOLMES.
            FUNNEL WAS VIEWED AND REPORTED FROM A POINT ABOUT 5 MILES
            EAST OF NORTHWOOD.

0123 PM     TORNADO          3 SW HOLMES             47.69N 97.34W
06/07/2017  F0               GRAND FORKS        ND   LAW ENFORCEMENT

            THIS TORNADO TRACKED TO THE NORTHEAST FOR ABOUT 2 MILES
            TO AROUND 1 SSW OF HOLMES BY 130 PM CDT. NO SIGNIFICANT
            DAMAGE WAS DETECTED. PEAK WINDS ESTIMATED TO 75 MPH.
            MAXIMUM WIDTH ESTIMATED TO 75 YARDS.

0150 PM     TSTM WND DMG     8 NW MANVEL             48.15N 97.30W
06/07/2017                   GRAND FORKS        ND   NWS STORM SURVEY

            NUMEROUS POPLAR AND ASH TREES BROKEN DOWN IN SHELTER
            BELTS ACROSS SOUTHERN LEVANT TOWNSHIP.

0200 PM     TSTM WND DMG     1 W ARDOCH              48.21N 97.36W
06/07/2017                   WALSH              ND   NWS STORM SURVEY

            NUMEROUS POPLAR TREES BROKEN DOWN IN SHELTER BELTS WEST
            OF TOWN.

0200 PM     HAIL             1 S REYNOLDS            47.66N 97.11W
06/07/2017  E1.00 INCH       TRAILL             ND   PUBLIC

            SOCIAL MEDIA REPORT.

0210 PM     TSTM WND DMG     3 ESE WARSAW            48.28N 97.19W
06/07/2017                   WALSH              ND   NWS STORM SURVEY

            NUMEROUS POPLAR TREES WERE SNAPPED IN SHELTER BELTS AND
            FARM YARDS ACROSS EASTERN WALSHVILLE AND PULASKI
            TOWNSHIPS.

0215 PM     FUNNEL CLOUD     5 NNE HILLSBORO         47.47N 97.02W
06/07/2017                   TRAILL             ND   PUBLIC

            FUNNEL VIEWED AND PHOTOGRAPHED FROM DOWNTOWN HILLSBORO.
            REPORT POSTED VIA SOCIAL MEDIA.

0225 PM     HAIL             6 SE BUXTON             47.54N 97.01W
06/07/2017  E1.00 INCH       TRAILL             ND   PUBLIC

            A FEW DIME TO QUARTER SIZED HAIL.

&&

GGUST
Local storm report, Jun 13, 3:03 PM CDT, 3 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
303 PM CDT TUE JUN 13 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0545 PM     FUNNEL CLOUD     5 NE SARLES             49.00N 98.92W
06/09/2017                   CAVALIER           ND   LAW ENFORCEMENT

            FUNNEL REPORTED TO BE RISING AND LOWERING JUST EAST OF
            THE SARLES PORT OF ENTRY.

0546 PM     TSTM WND GST     9 ENE SARLES            48.99N 98.81W
06/09/2017  M92.00 MPH       CAVALIER           ND   MESONET

            PEAK WIND MEASURED BY AN AGRICULTURAL WEATHER STATION AT
            THE CANADIAN BORDER. NEARBY CORN AND SMALL GRAIN FIELDS
            WERE STRIPPED BY WIND DRIVEN HAIL. EVERGREEN AND POPLAR
            TREES WERE TOPPLED AND STEEL GRAIN BINS WERE POPS IN
            VARIOUS FARMSTEADS ACROSS BYRON TOWNSHIP.

0601 PM     HAIL             3 W ESMOND              48.03N 99.83W
06/09/2017  E0.88 INCH       BENSON             ND   TRAINED SPOTTER

0609 PM     TORNADO          2 ENE WALES             48.91N 98.56W
06/09/2017  F0               CAVALIER           ND   EMERGENCY MNGR

            A TORNADO ENGULFED IN DOWNBURST WINDS AND HAIL TRACKED
            FOR NEARLY TWO MILES ENDING AROUND 3.5 MILES ESE OF WALES
            BY 612 PM CDT. THE TORNADO SNAPPED NUMEROUS TREE LIMBS
            AND BRANCHES ALONG A PATH THROUGH MULTIPLE SHELTER BELTS.
            NEARBY FIELDS WERE STRIPPED OF CROPS BY WIND DRIVEN HAIL.
            PEAK WINDS ESTIMATED TO 85 MPH. MAXIMUM WIDTH ESTIMATED
            TO 200 YARDS.

0610 PM     HAIL             BAKER                   48.16N 99.65W
06/09/2017  E1.00 INCH       BENSON             ND   PUBLIC

0620 PM     TSTM WND DMG     2 E DRESDEN             48.83N 98.44W
06/09/2017                   CAVALIER           ND   TRAINED SPOTTER

            NUMEROUS LARGE 4 TO 8 INCH BRANCHES BROKEN DOWN IN THE
            WIND AT FARMSTEAD.

0627 PM     TORNADO          3 N LANGDON             48.81N 98.37W
06/09/2017  F1               CAVALIER           ND   NWS STORM SURVEY

            A WEAK TORNADO TRACKED TO THE SOUTHEAST FOR AROUND 1.25
            MILES AND LIFTED BY 629 PM CDT. THE TORNADO BLEW THE
            DOORS OFF A SEED COMPANY ELEVATOR AND SPREAD DOOR AND
            ROOF PANELS AROUND THE GROUNDS IN A CIRCULAR PATTERN.
            FURTHER DOWNSTREAM THE TORNADO SNAPPED 6 POWER POLES
            ALONG 96TH AVE NE... A QUARTER MILE EAST OF HIGHWAY 1.
            PEAK WINDS ESTIMATED TO 105 MPH. MAXIMUM WIDTH ESTIMATED
            TO 600 YARDS.

0637 PM     TSTM WND GST     1 E LANGDON             48.76N 98.35W
06/09/2017  M66.00 MPH       CAVALIER           ND   MESONET

            PEAK WIND MEASURED AT THE NDAWN STATION EAST OF TOWN.

0645 PM     TORNADO          8 ENE LANGDON           48.81N 98.21W
06/09/2017  F2               CAVALIER           ND   NWS STORM SURVEY

            A TORNADO WAS PARTIALLY ENGULFED IN DOWNBURST WINDS AND
            HAIL AS IT TRACKED FOR NEARLY 20 MILES TO AROUND 3 MILES
            S OF MOUNTAIN BY 715 PM CDT. LARGE WOODEN POWER POLES
            WERE SNAPPED, ROOFING WAS STRIPPED OFF OF HOMES, STEEL
            POLE SHEDS WERE TOTALLY DIMANTLED, NUMEROUS STEEL GRAIN
            BINS WERE CRUSHED AND LARGE METAL SEGMENTS WERE CARRIED
            FOR A MILE OR MORE DOWNWIND. BEAN AND GRAIN FILEDS WERE
            COMPLETELY STRIPPED. PEAK WINDS ESTIMATED TO 120 MPH.
            MAXIMUM WIDTH ESTIMATED TO 800 YARDS.

0652 PM     HAIL             1 NW OLGA               48.81N 98.05W
06/09/2017  E1.00 INCH       CAVALIER           ND   TRAINED SPOTTER

0700 PM     TSTM WND DMG     4 NE MILTON             48.67N 97.98W
06/09/2017                   CAVALIER           ND   NWS STORM SURVEY

            LARGE PORTIONS OF ALMA AND EAST ALMA TOWNSHIPS WERE
            STRIPPED OF SMALL GRAIN AND BEAN CROPS BY EXTREME
            DOWNBURST WINDS AND WIND DRIVEN HAIL.

0702 PM     HAIL             CONCRETE                48.75N 97.93W
06/09/2017  E1.00 INCH       PEMBINA            ND   TRAINED SPOTTER

0708 PM     TORNADO          6 SSW KNOX              48.26N 99.74W
06/09/2017  F2               BENSON             ND   NWS STORM SURVEY

            A TORNADO TRACKED IN AN EAST-SOUTHEAST DIRECTION ALONG A
            ROUGHLY 8 MILE INTERMITTENT TRACK TO AROUND 2 WNW OF
            HARLOW BY 720 PM CDT. THIS TORNADO AND CORRESPONDING REAR
            FLANK DOWNDRAFT WIND PRODUCED WIDESPREAD DUST WHICH
            GREATLY REDUCED VISIBILITY. NUMEROUS ASH, POPLAR,
            COTTONWOOD, AND EVERGREEN TREES SNAPPED OR UPROOTED IN
            SHELTER BELTS AND GROVES ALONG ITS PATH. PEAK WINDS OF
            119 MPH WERE MEASURED BY A MOBILE SYSTEM. MAXIMUM WIDTH
            ESTIMATED TO 600 YARDS.

0710 PM     TSTM WND GST     MOUNTAIN                48.68N 97.86W
06/09/2017  E90.00 MPH       PEMBINA            ND   EMERGENCY MNGR

            NUMEROUS LARGE TREE BRANCHES AND LIMBS BROKEN DOWN AROUND
            ACROSS MUCH OF THINGVALLA TOWNSHIP. SOME TREES SNAPPED.
            SHEET METAL ROOFING AND SHINGLES BLOWN OFF BUILDINGS IN
            VARIOUS LOCATIONS.

0718 PM     TSTM WND GST     1 N BAKER               48.18N 99.65W
06/09/2017  M56.00 MPH       BENSON             ND   MESONET

            PEAK WINDS MEASURED AT THE BAKER NDAWN.

0719 PM     TSTM WND GST     3 WNW HARLOW            48.18N 99.58W
06/09/2017  M119 MPH         BENSON             ND   STORM CHASER

            MEASURED ON MOBILE MESONET EQUIPMENT.

0720 PM     TSTM WND GST     4 NE BAKER              48.20N 99.59W
06/09/2017  E70.00 MPH       BENSON             ND   STORM CHASER

            LARGE PINE TREE BLOWN DOWN.

0724 PM     HAIL             3 ENE BAKER             46.73N 96.51W
06/09/2017  E1.25 INCH       CLAY               MN   STORM CHASER

0724 PM     TSTM WND GST     6 W CRYSTAL             48.60N 97.80W
06/09/2017  M91.00 MPH       PEMBINA            ND   MESONET

            PEAK WINDS MEASURED AT A PERSONAL WEATHER STATION.
            NUMEROUS OAK, POPLAR, AND PINE TREES SNAPPED IN SHELTER
            BELTS ACROSS ELDORA AND CRYSTAL TOWNSHIPS.

0724 PM     HAIL             4 NW HARLOW             48.20N 99.58W
06/09/2017  E1.25 INCH       BENSON             ND   PUBLIC

            REPORTED 3 ENE BAKER

0734 PM     TORNADO          3 S BRINSMADE           48.14N 99.32W
06/09/2017  F0               BENSON             ND   STORM CHASER

            A TORNADO TRACKED EASTWARD OVER LARGELY OPEN COUNTRY FOR
            NEARLY 2 MILES TO AROUND 4 NNW OF MINNEWAUKAN BY AROUND
            737 PM CDT. THE GROUND SWIRL OF THIS TORNADO WAS VIDEOED
            BY STORM CHASERS NEAR THE WEST BAY OF DEVILS LAKE THOUGH
            VERY DUSTY CONDITION MADE DETECTION DIFFICULT. NO
            SIGNIFICANT DAMAGE WAS DETECTED. PEAK WINDS ESTIMATED TO
            80 MPH. MAXIMUM WIDTH ESTIMATED TO 200 YARDS.

0735 PM     HAIL             1 W LEEDS               48.29N 99.46W
06/09/2017  E0.88 INCH       BENSON             ND   FIRE DEPT/RESCUE

            HAIL COVERING THE GROUND, RANGING FROM PEA TO NICKEL
            SIZE, ALSO REPORTED SEEING WALL CLOUD TO THE SOUTH FROM
            THAT POINT AROUND 0730 PM CDT

0735 PM     HAIL             1 E LEEDS               48.29N 99.42W
06/09/2017  E2.00 INCH       BENSON             ND   STORM CHASER

0740 PM     TSTM WND GST     2 WSW ST. THOMAS        48.61N 97.49W
06/09/2017  M64.00 MPH       PEMBINA            ND   MESONET

            PEAK WINDS MEASURED AT THE ST. THOMAS NDAWN STATION.

0745 PM     TSTM WND GST     1 S ST. THOMAS          48.61N 97.45W
06/09/2017  E70.00 MPH       PEMBINA            ND   TRAINED SPOTTER

            VERY STRONG WINDS AND VERY HEAVY RAIN WITH DIME TO NICKEL
            SIZED HAIL.

0750 PM     HAIL             3 SW PENN               48.19N 99.13W
06/09/2017  E0.88 INCH       RAMSEY             ND   TRAINED SPOTTER

0750 PM     HAIL             1 S ST. THOMAS          48.61N 97.45W
06/09/2017  E1.50 INCH       PEMBINA            ND   TRAINED SPOTTER

0752 PM     TSTM WND DMG     2 ESE NASH              48.46N 97.47W
06/09/2017                   WALSH              ND   NWS STORM SURVEY

            EXTENSIVE TREE DAMAGE EXTENDING FROM EASTERN FARMINGTON
            INTO MARTIN TOWNSHIP. NUMEROUS LARGE POPLAR, ASH, AND
            COTTONWOODS WERE SNAPPED IN FIELD AND FARMSTEAD SHELTER
            BELTS ACROSS THIS AREA.

0800 PM     TSTM WND GST     4 NE GRAFTON            48.46N 97.34W
06/09/2017  M72.00 MPH       WALSH              ND   MESONET

            DAVIS MEASUREMENT.

0810 PM     TSTM WND GST     8 ENE GRAFTON           48.46N 97.24W
06/09/2017  E95.00 MPH       WALSH              ND   NWS STORM SURVEY

            NUMEROUS LARGE POPLAR, ASH, AND COTTONWOOD TREES WERE
            SNAPPED OR BLOWN DOWN IN SHELTER BELTS AND FARMSTEADS
            ACROSS ST. ANDREWS AND NORTHERN ACTON TOWNSHIPS. PEAK
            WINDS ESTIMATED FROM 85 TO 95 MPH OVER A SEVERAL MILE
            WIDE PATH.

0813 PM     HAIL             DEVILS LAKE             48.11N 98.87W
06/09/2017  E0.75 INCH       RAMSEY             ND   911 CALL CENTER

0827 PM     TORNADO          5 E DEVILS LAKE         48.11N 98.77W
06/09/2017                   RAMSEY             ND   911 CALL CENTER

            TOUCHDOWN NOTED BY OBSERVER NEAR VINING OIL...LOOKING
            NORTH.

0828 PM     TSTM WND GST     2 S DEVILS LAKE         48.08N 98.87W
06/09/2017  M66.00 MPH       RAMSEY             ND   MESONET

            DVL RWIS

0829 PM     TORNADO          7 SSW WARWICK           47.76N 98.76W
06/09/2017  F0               EDDY               ND   NWS STORM SURVEY

            A WEAK TORNADO TRACK TO EAST FOR NEARLY 3 MILES ACROSS
            FAR SOUTHERN EDDY TOWNSHIP ENDING ABOUT 7 SW OF HAMAR BY
            833 PM CDT. THIS TORNADO CROSS THE SOUTHERN END ON LAKE
            WASHINGTON WHERE A CONDENSATION PLUME WAS ONSERVED. LARGE
            BRANCHES AND LIMBS WERE BROKEN OFF OF TREES ON EITHER
            SIDE OF THE LAKE, OTHERWISE NO SIGNIFICANT DAMAGE WAS
            NOTED. PEAK WINDS ESTIMATED TO 85 MPH. MAXIMUM WIDTH
            ESTIMATED TO 150 YARDS.

0831 PM     TSTM WND GST     1 E CRARY               48.07N 98.62W
06/09/2017  M59.00 MPH       RAMSEY             ND   MESONET

            PEAK WINDS MEASURED AT THE CRARY NDAWN STATION.

0835 PM     HAIL             2 S HAMAR               47.81N 98.57W
06/09/2017  E1.50 INCH       EDDY               ND   PUBLIC

0840 PM     HAIL             3 SW BROCKET            48.18N 98.40W
06/09/2017  E1.75 INCH       NELSON             ND   PUBLIC

            LOTS OF QUARTER TO GOLF BALL SIZED HAIL.

0840 PM     HAIL             2 NW TOLNA              47.85N 98.47W
06/09/2017  E1.00 INCH       NELSON             ND   PUBLIC

            DIME TO QUARTER SIZED HAIL COVERED THE GROUND.

0845 PM     HAIL             STEPHEN                 48.45N 96.88W
06/09/2017  E0.25 INCH       MARSHALL           MN   TRAINED SPOTTER

0850 PM     TSTM WND DMG     5 SE STEPHEN            47.93N 98.80W
06/09/2017                   BENSON             ND   PUBLIC

            NUMEROUS TREE BRANCHES DOWN, ONE LARGE TREE UPROOTED

0920 PM     TSTM WND DMG     NEWFOLDEN               48.36N 96.33W
06/09/2017                   MARSHALL           MN   TRAINED SPOTTER

            TREES DOWN IN THE CITY OF NEWFOLDEN.

0932 PM     TORNADO          2 SW WALUM              47.25N 98.22W
06/09/2017  F0               GRIGGS             ND   TRAINED SPOTTER

            REPORT OF TOUCHDOWN SOUTHWEST OF WALUM VIEWED BY SPOTTERS
            NORTHEAST OF WIMBLEDON AND ALSO BY SPOTTERS NORTH OF
            DAZEY. A PERSISTENT WALLCLOUD STRUCTURE WITH FUNNEL-LIKE
            APPENDAGE WAS VIEWED FOR SEVERAL MINUTES AS IT PASSED
            ALONG THE BARNES AND GRIGGS COUNTY LINE. THOUGH A BRIEF
            DUST SWIRL WAS DETECTED NO SIGNIFICANT DAMAGE WAS
            APPARENT. PATH LENGTH ESTIMATED AT ONE QUARTER OF A
            MILE...ENDING BY 933 PM CDT. PEAK WINDS ESTIMATED TO 70
            MPH. MAXIMUM WIDTH ESTIMATED TO 75 YARDS.

0934 PM     HAIL             COOPERSTOWN             47.44N 98.12W
06/09/2017  M1.50 INCH       GRIGGS             ND   CO-OP OBSERVER

            HAILED FROM 934 TO 949 PM

0935 PM     HAIL             HANNAFORD               47.31N 98.19W
06/09/2017  M1.75 INCH       GRIGGS             ND   PUBLIC

0939 PM     TSTM WND GST     1 N DAZEY               47.20N 98.20W
06/09/2017  E60.00 MPH       BARNES             ND   TRAINED SPOTTER

            BLOWING DUST IN OUTFLOW.

0940 PM     HAIL             2 ESE HANNAFORD         47.30N 98.15W
06/09/2017  M1.00 INCH       GRIGGS             ND   PUBLIC

0943 PM     TSTM WND GST     2 E DAZEY               47.19N 98.16W
06/09/2017  M56.00 MPH       BARNES             ND   MESONET

            PEAK WINDS MEASURED AT THE DAZEY NDAWN STATION.

1000 PM     HAIL             5 WNW HOPE              47.35N 97.82W
06/09/2017  E1.00 INCH       STEELE             ND   TRAINED SPOTTER

1005 PM     HAIL             7 N LITCHVILLE          46.76N 98.19W
06/09/2017  E1.50 INCH       BARNES             ND   PUBLIC

1010 PM     TSTM WND DMG     4 SW HOPE               47.28N 97.78W
06/09/2017                   STEELE             ND   LAW ENFORCEMENT

            A STEEL GRAIN BIN WAS BLOWN OFF ITS FOUNDATIOM AND
            TUMBLED FOR A QUARTER OF A MILE.

1015 PM     TSTM WND DMG     6 W TOWER CITY          46.93N 97.80W
06/09/2017                   BARNES             ND   LAW ENFORCEMENT

            MULTIPLE VEHICLES OFF ROAD ON I94 WHICH IS CLOSED IN THIS
            REGION. EXACT CAUSE PRESENTLY UNKNOWN.

1015 PM     TSTM WND DMG     3 S HOPE                47.28N 97.72W
06/09/2017                   STEELE             ND   LAW ENFORCEMENT

            A CHICKEN COOP WAS DESTROYED AND TWO LARGE EVERGREENS
            WERE BLOWN DOWN.

1035 PM     HAIL             1 E FINGAL              46.76N 97.77W
06/09/2017  E1.25 INCH       BARNES             ND   PUBLIC

            QUARTER TO HALF DOLLAR SIZED HAIL FELL IN VERY HEAVY
            RAIN.

1048 PM     HAIL             4 WNW ALICE             46.78N 97.63W
06/09/2017  E1.00 INCH       CASS               ND   TRAINED SPOTTER

            HAIL FROM DIME TO QUARTER SIZED FOR ABOUT 5 MINUTES.

1110 PM     HAIL             1 WSW GARDNER           47.14N 96.99W
06/09/2017  E1.00 INCH       CASS               ND   PUBLIC

1137 PM     HAIL             2 SW FARGO              46.86N 96.85W
06/09/2017  E0.75 INCH       CASS               ND   PUBLIC

            BRIEF PEA TO DIME SIZED HAIL.

1220 AM     HAIL             ULEN                    47.08N 96.26W
06/10/2017  E1.00 INCH       CLAY               MN   PUBLIC

1250 AM     HAIL             WHITE EARTH             47.10N 95.84W
06/10/2017  M1.00 INCH       BECKER             MN   PUBLIC

            HAIL LASTED 20 MINUTES

0114 AM     HAIL             3 SSW NAYTAHWAUSH       47.22N 95.65W
06/10/2017  M1.00 INCH       MAHNOMEN           MN   PUBLIC

            AT ELK HORN RESORT ON SOUTH TWIN LAKE

0115 AM     HAIL             TULABY LAKE             47.15N 95.60W
06/10/2017  M1.25 INCH       MAHNOMEN           MN   PUBLIC

0120 AM     HAIL             LONG LOST LAKE          47.19N 95.42W
06/10/2017  E0.88 INCH       CLEARWATER         MN   CO-OP OBSERVER

0145 AM     HAIL             3 S LAKE ITASCA         47.21N 95.21W
06/10/2017  M1.75 INCH       CLEARWATER         MN   PUBLIC

            REPORT RECEIVED VIA TWITTER FROM ITASCA STATE PARK.

0150 AM     HAIL             7 WSW LAKE GEORGE       47.16N 95.13W
06/10/2017  M1.75 INCH       HUBBARD            MN   TRAINED SPOTTER

0200 AM     HAIL             5 S LAKE GEORGE         47.13N 94.99W
06/10/2017  E1.00 INCH       HUBBARD            MN   PUBLIC

            STARTED AS DIME TO NICKEL SIZED. LARGEST AT SIZE OF
            QUARTERS.

0208 AM     TSTM WND GST     4 SE LAPORTE            47.17N 94.70W
06/10/2017  E95.00 MPH       HUBBARD            MN   EMERGENCY MNGR

            NUMEROUS TREES WERE BLOWN DOWN AROUND KABEKONA LAKE AND
            ACROSS SOUTHERN LAKEPORT TOWNSHIP. PEAK WINDS ESTIMATED
            FROM 85 TO 95 MPH. TIME ESTIMATED BASED ON RADAR.

0210 AM     TORNADO          2 N BENEDICT            47.18N 94.69W
06/10/2017  F1               HUBBARD            MN   EMERGENCY MNGR

            A WEAK TORNADO TRACK TO THE NORTHEAST FOR ABOUT ONE HALF
            MILE FROM THE FOREST TREE LINE AND ACROSS A FARMSTEAD,
            ENDING AFTER A MINUTE, AROUND 211 AM CDT. THIS TORNADO
            SNAPPED OR UPROOTED NUMEROUS OAK AND PINE TREES, BLEW IN
            PART OF A WALL ON A BARN AND TORE THE ROOF OFF OF A POLE
            SHED. PEAK WINDS ESTIMATED TO 105 MPH. MAXIMUM WIDTH
            ESTIMATED AT 150 YARDS. TIME ESTIMATED BASED ON RADAR.

&&

GGUST

The office that day

Everything else NWS Grand Forks, ND issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 13, 6:47 AM CDTSpecial Weather StatementFGFGrant43 min
Jun 13, 7:33 AM CDTSpecial Weather StatementFGFOtter Tail, Wadena42 min
Jun 13, 8:07 AM CDTSpecial Weather StatementFGFWadena38 min
Jun 13, 9:51 AM CDTHigh Wind WarningFGFKittson, Marshall, Pennington, Polk, Red Lake, Roseau2 hr
Jun 13, 3:07 PM CDTSevere Thunderstorm WarningFGFBecker, Clay, Mahnomen, Norman, Polk54 min
Jun 13, 3:59 PM CDTSevere Thunderstorm WarningFGFBeltrami, Clearwater, Polk61 min
Jun 13, 4:14 PM CDTSevere Thunderstorm WarningFGFBeltrami30 min
Jun 13, 5:17 PM CDTSpecial Weather StatementFGFBeltrami28 min
Jun 13, 5:45 PM CDTSpecial Weather StatementFGFBeltrami30 min
Jun 13, 6:55 PM CDTSevere Thunderstorm WarningFGFGrant, Otter Tail, Wilkin50 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2017Every severe thunderstorm warning in 2017

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.