Alert archive / Minnesota / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 56, NWS Duluth, MN

June 27, 2018Saint Louis County, Minnesota

NWS Duluth, MN issued this severe thunderstorm warning at Jun 27, 2018, 4:47 PM CDT for Saint Louis County, Minnesota. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 27, 2018, 4:47 PM CDT (21:47 UTC)
Expired
Jun 27, 2018, 5:14 PM CDT
In force
27 min
Issued by
NWS Duluth, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Saint Louis County, MN

The radar

The Duluth radar (KDLH), 86 km from the middle of the area, began a volume at 21:49 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 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 Duluth, MN wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 27, 3:15 PM CDT, 1 hour 32 minutes earlier.

Area forecast discussion, Jun 27, 3:15 PM CDT, 1 hour 32 minutes before
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Hazardous weather outlook, Jun 27, 3:24 PM CDT, 1 hour 23 minutes before
Hazardous Weather Outlook
National Weather Service Duluth MN
324 PM CDT Wed Jun 27 2018

MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-282030-
Koochiching-North St. Louis-Northern Cook/Northern Lake-
North Itasca-Central St. Louis-Southern Lake/North Shore-
Southern Cook/North Shore-North Cass-South Itasca-South Cass-
Crow Wing-Northern Aitkin-South Aitkin-Carlton/South St. Louis-
Pine-Douglas-Bayfield-Ashland-Iron-Burnett-Washburn-Sawyer-Price-
324 PM CDT Wed Jun 27 2018

This Hazardous Weather Outlook is for portions of northeast
Minnesota and northwest Wisconsin.

.DAY ONE...This afternoon and Tonight

Isolated thunderstorms are expected this afternoon and early
evening across northeast Minnesota. A few storms could be strong
producing small hail, gusty winds, and brief downpours.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

There is a chance for thunderstorms late Thursday night through the
weekend. Some storms could be strong to severe both Friday and
Saturday. Heavy rainfall may also cause flooding

.SPOTTER INFORMATION STATEMENT...

SKYWARN spotters are encouraged to report hail of any size and
rainfall amounts to the National Weather Service.

LSZ121-140>148-282030-
Bayfield to Oak Point WI-Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN-
Duluth MN to Port Wing WI-Port Wing to Sand Island WI-
Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI-
324 PM CDT Wed Jun 27 2018

This Hazardous Weather Outlook is for portions of the Nearshore
waters of western Lake Superior.

.DAY ONE...This afternoon and Tonight

There is a chance for thunderstorms across western Lake Superior
late today into tonight. Strong storms are possible along the north
shore.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

There is a chance for thunderstorms late Thursday night through the
weekend. Storms may be strong to severe late Thursday night through
Saturday night. Periodic chances for storms will occur Sunday into
midweek.

Wolfe/JJM

More information may be obtained at the following web address:
http://www.weather.gov/duluth (all lower case)

In the hours before

Special weather statement, Jun 27, 1:00 PM CDT, 3 hours 47 minutes before
Special Weather Statement
National Weather Service Duluth MN
100 PM CDT WED JUN 27 2018

MNZ010-271830-
Koochiching-
100 PM CDT WED JUN 27 2018

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTHWESTERN
KOOCHICHING COUNTY...

At 100 PM CDT, strong thunderstorms were along a line extending from
near Manitou, to 14 miles southwest of Loman, and moving east at 30
mph.

Wind gusts up to 35 mph, pea-size hail, heavy downpours, and
occasional cloud to ground lightning can be expected with these
storms.

Locations impacted include...
Birchdale, Pelland, Loman, Manitou, and Indus.

Seek shelter inside a sturdy building and away from windows until
these storms pass. Get off area lakes and seek shelter on shore in a
sturdy shelter or a hard-topped vehicle.

LAT...LON 4871 9429 4869 9425 4866 9425 4865 9423
      4863 9384 4857 9380 4853 9382 4852 9380
      4851 9365 4853 9363 4852 9361 4853 9356
      4828 9361 4823 9442 4871 9442
TIME...MOT...LOC 1800Z 251DEG 25KT 4860 9400 4836 9402

Moore
Special weather statement, Jun 27, 2:28 PM CDT, 2 hours 19 minutes before
Special Weather Statement
National Weather Service Duluth MN
228 PM CDT WED JUN 27 2018

MNZ010-011-272000-
Koochiching-North St. Louis-
228 PM CDT WED JUN 27 2018

...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT NORTHERN KOOCHICHING
AND NORTHWESTERN ST. LOUIS COUNTIES...

At 226 PM CDT, an area of strong thunderstorms was near Littlefork,
or 18 miles southwest of International Falls, moving east at 30 mph.

Wind gusts up to 35 mph, pea-size hail, heavy downpours, and
occasional cloud to ground lightning can be expected with these
storms.

Locations impacted include...
International Falls, Birchdale, Littlefork, Kabetogama, Manitou,
Pelland, Rainy Lake, Loman, Voyageurs National Park, Kabetogama Lake,
Ranier, Indus, Ray, Island View, and Ericksburg.

Seek shelter inside a sturdy building and away from windows until
these storms pass. Get off area lakes and seek shelter on shore in a
sturdy shelter or a hard-topped vehicle.

LAT...LON 4871 9429 4865 9423 4863 9384 4857 9380
      4853 9382 4851 9375 4854 9347 4859 9346
      4864 9325 4862 9295 4854 9273 4854 9264
      4850 9263 4850 9270 4844 9269 4845 9251
      4843 9249 4833 9309 4827 9443 4870 9443
TIME...MOT...LOC 1926Z 259DEG 28KT 4839 9369

Moore
Special weather statement, Jun 27, 3:00 PM CDT, 1 hour 47 minutes before
Special Weather Statement
National Weather Service Duluth MN
300 PM CDT WED JUN 27 2018

MNZ010-011-272015-
Koochiching-North St. Louis-
300 PM CDT WED JUN 27 2018

...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT CENTRAL KOOCHICHING
AND NORTHWESTERN ST. LOUIS COUNTIES...

At 259 PM CDT, strong thunderstorms were along a line extending from
near Loman, to 13 miles northwest of Big Falls, and moving east at 30
mph.

Wind gusts up to 35 mph, half-inch hail, heavy downpours, and
frequent cloud to ground lightning can be expected with these storms.

Locations impacted include...
International Falls, Littlefork, Kabetogama, Pelland, Rainy Lake,
Loman, Kabetogama Lake, Voyageurs National Park, Ranier, Ray, Island
View, Ericksburg, and Bois Forte Reservation.

Seek shelter inside a sturdy building and away from windows until
these storms pass. Get off area lakes and seek shelter on shore in a
sturdy shelter or a hard-topped vehicle.

These storms may intensify, please monitor local media outlets for
additional information and possible warnings from the National
Weather Service.

LAT...LON 4862 9318 4862 9295 4861 9295 4854 9274
      4814 9325 4827 9433 4864 9391 4862 9383
      4857 9380 4853 9382 4852 9380 4851 9365
      4853 9363 4852 9361 4854 9347 4859 9346
      4864 9325
TIME...MOT...LOC 1959Z 285DEG 26KT 4853 9374 4831 9404

Moore
Special weather statement, Jun 27, 3:16 PM CDT, 1 hour 31 minutes before
Special Weather Statement
National Weather Service Duluth MN
316 PM CDT WED JUN 27 2018

MNZ010-011-272045-
Koochiching-North St. Louis-
316 PM CDT WED JUN 27 2018

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTHERN KOOCHICHING
AND NORTHWESTERN ST. LOUIS COUNTIES...

At 315 PM CDT, strong thunderstorms were along a line extending from
11 miles northeast of Rainy Lake, to 10 miles east of Littlefork, to
7 miles northwest of Big Falls, and moving east at 30 mph.

Wind gusts up to 35 mph, penny-size hail, heavy downpours, and
frequent cloud to ground lightning can be expected with these storms.

These storms will be near...
  Littlefork, Kabetogama and Kabetogama Lake around 345 PM CDT.

Other locations impacted by these storms include Ranier, Ray, Island
View, and Ericksburg.

Seek shelter inside a sturdy building and away from windows until
these storms pass. Get off area lakes and seek shelter on shore in a
sturdy shelter or a hard-topped vehicle.

These storms may intensify, please monitor local media outlets for
additional information and possible warnings from the National
Weather Service.

LAT...LON 4862 9318 4862 9295 4861 9295 4854 9273
      4854 9264 4852 9263 4850 9263 4850 9270
      4846 9271 4844 9262 4844 9261 4826 9279
      4822 9368 4831 9417 4853 9382 4851 9375
      4853 9355 4855 9346 4859 9346 4864 9325
TIME...MOT...LOC 2015Z 269DEG 25KT 4873 9286 4841 9333 4829 9388

Moore
Special weather statement, Jun 27, 3:50 PM CDT, 57 minutes before
Special Weather Statement
National Weather Service Duluth MN
350 PM CDT WED JUN 27 2018

MNZ010-011-272115-
Koochiching-North St. Louis-
350 PM CDT WED JUN 27 2018

...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT KOOCHICHING AND
NORTHWESTERN ST. LOUIS COUNTIES...

At 350 PM CDT, strong thunderstorms were along a line extending from
near Kabetogama Lake, to 14 miles southeast of Big Falls, and moving
east at 25 mph.

Wind gusts up to 35 mph, dime-size hail, heavy downpours, and
frequent cloud to ground lightning can be expected with these storms.

Locations impacted include...
International Falls, Littlefork, Nett Lake, Orr, Big Falls, Ash Lake,
Kabetogama, Crane Lake, Gheen, Pelland, Voyageurs National Park,
Buyck, Gemmell, Pelican Lake, Cusson, Rainy Lake, Margie, Loman,
Kabetogama Lake, and Ranier.

Seek shelter inside a sturdy building and away from windows until
these storms pass. Get off area lakes and seek shelter on shore in a
sturdy shelter or a hard-topped vehicle.

These storms may intensify, please monitor local media outlets for
additional information and possible warnings from the National
Weather Service.

LAT...LON 4862 9295 4854 9264 4850 9263 4846 9271
      4845 9251 4829 9241 4835 9226 4831 9229
      4823 9236 4823 9235 4822 9235 4797 9255
      4796 9438 4863 9384 4853 9382 4851 9375
      4854 9347 4859 9346 4864 9325
TIME...MOT...LOC 2050Z 271DEG 23KT 4841 9295 4809 9354

Moore
Special weather statement, Jun 27, 4:23 PM CDT, 24 minutes before
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The office that day

Everything else NWS Duluth, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 27, 12:33 PM CDTSpecial Weather StatementDLHKoochiching27 min
Jun 27, 1:00 PM CDTSpecial Weather StatementDLHKoochiching30 min
Jun 27, 2:28 PM CDTSpecial Weather StatementDLHKoochiching32 min
Jun 27, 3:00 PM CDTSpecial Weather StatementDLHKoochiching15 min
Jun 27, 3:16 PM CDTSpecial Weather StatementDLHKoochiching29 min
Jun 27, 3:50 PM CDTSpecial Weather StatementDLHKoochiching25 min
Jun 27, 4:23 PM CDTSpecial Weather StatementDLHKoochiching37 min
Jun 27, 5:27 PM CDTSpecial Weather StatementDLHSaint Louis48 min
Jun 27, 5:55 PM CDTSpecial Weather StatementDLHSaint Louis50 min
Jun 27, 6:03 PM CDTSpecial Weather StatementDLHSaint Louis42 min
Jun 27, 6:37 PM CDTSpecial Weather StatementDLHLake23 min
Jun 27, 6:54 PM CDTSpecial Weather StatementDLHSaint Louis51 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2018Every severe thunderstorm warning in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.