Alert archive / Minnesota / Special Weather Statements in 2016

Special Weather Statement, NWS Duluth, MN

August 9, 2016Lake County, Minnesota

NWS Duluth, MN issued this special weather statement at Aug 9, 2016, 5:55 AM CDT for Lake County, Minnesota. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 9, 2016, 5:55 AM CDT (10:55 UTC)
Expired: Aug 9, 2016, 6:45 AM CDT
In force: 50 min
Issued by: NWS Duluth, MN

County Lake County, MN

The radar

The Duluth radar (KDLH), 94 km from the middle of the area, began a volume at 10:56 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.

The nearest sounding before it

International Fa, MN (KINL), launched 00:00Z, 10.9 hours before the alert went out and 182 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 18 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 1454 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 76 m²/s²
0-3 km storm-relative helicity: 180 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Aug 9, 4:47 AM CDT, 1 hour 8 minutes earlier.

Area forecast discussion, Aug 9, 4:47 AM CDT, 1 hour 8 minutes before

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Hazardous weather outlook, Aug 9, 5:01 AM CDT, 54 minutes before

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In the hours before

Special weather statement, Aug 9, 1:18 AM CDT, 4 hours 37 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DULUTH MN
118 AM CDT TUE AUG 9 2016

MNZ010-090700-
KOOCHICHING-
118 AM CDT TUE AUG 9 2016

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

AT 118 AM CDT...STRONG THUNDERSTORMS WERE ALONG A LINE EXTENDING FROM
12 MILES SOUTHEAST OF WILLIAMS...TO 19 MILES NORTHWEST OF UPPER RED
LAKE...AND MOVING EAST AT 45 MPH.

WIND GUSTS UP TO 40 MPH...HALF INCH HAIL...HEAVY DOWNPOURS...AND
OCCASIONAL CLOUD TO GROUND LIGHTNING CAN BE EXPECTED WITH THESE
STORMS.

LOCATIONS IMPACTED INCLUDE...
BIRCHDALE...MANITOU AND INDUS.

SEEK SHELTER INSIDE A STURDY BUILDING AND AWAY FROM WINDOWS UNTIL
THESE STORMS PASS.

LAT...LON 4869 9425 4866 9425 4865 9423 4863 9384
      4860 9382 4856 9381 4818 9414 4819 9442
      4869 9443 4871 9429
TIME...MOT...LOC 0618Z 266DEG 39KT 4861 9485 4828 9513

LE

Special weather statement, Aug 9, 2:00 AM CDT, 3 hours 55 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DULUTH MN
200 AM CDT TUE AUG 9 2016

MNZ010-018-090745-
NORTH ITASCA-KOOCHICHING-
200 AM CDT TUE AUG 9 2016

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTHWESTERN ITASCA AND
KOOCHICHING COUNTIES...

AT 159 AM CDT...STRONG THUNDERSTORMS WERE ALONG A LINE EXTENDING FROM
NEAR MANITOU...TO 8 MILES NORTHWEST OF BLACKDUCK...AND MOVING EAST AT
40 MPH.

WIND GUSTS UP TO 40 MPH...DIME SIZE HAIL...TORRENTIAL RAINFALL...AND
OCCASIONAL CLOUD TO GROUND LIGHTNING CAN BE EXPECTED WITH THESE
STORMS.

LOCATIONS IMPACTED INCLUDE...
INTERNATIONAL FALLS...LITTLEFORK...BIG FALLS...NORTHOME...
SQUAW LAKE...MIZPAH...ALVWOOD...GEMMELL...OSLUND...MARGIE...
PELLAND...MANITOU...INGER...LOMAN...SPRING LAKE...SAND LAKE...MAX...
WIRT...ERICKSBURG AND RAY.

SEEK SHELTER INSIDE A STURDY BUILDING AND AWAY FROM WINDOWS UNTIL
THESE STORMS PASS.

LAT...LON 4863 9384 4852 9380 4853 9352 4855 9346
      4859 9344 4852 9309 4750 9398 4766 9442
      4822 9442 4864 9405
TIME...MOT...LOC 0659Z 292DEG 35KT 4860 9394 4783 9462

LE

Special weather statement, Aug 9, 2:49 AM CDT, 3 hours 6 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DULUTH MN
249 AM CDT TUE AUG 9 2016

MNZ010-011-018-019-090830-
NORTH ITASCA-CENTRAL ST. LOUIS-NORTH ST. LOUIS-KOOCHICHING-
249 AM CDT TUE AUG 9 2016

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTHWESTERN ST.
LOUIS...NORTHEASTERN ITASCA AND SOUTHEASTERN KOOCHICHING COUNTIES...

AT 247 AM CDT...STRONG THUNDERSTORMS WERE ALONG A LINE EXTENDING FROM
10 MILES NORTHWEST OF RAINY LAKE...TO 9 MILES WEST OF EFFIE...AND
MOVING EAST AT 45 MPH.

WIND GUSTS UP TO 40 MPH...PEA SIZE HAIL...HEAVY DOWNPOURS...AND
OCCASIONAL CLOUD TO GROUND LIGHTNING CAN BE EXPECTED WITH THESE
STORMS.

LOCATIONS IMPACTED INCLUDE...
VOYAGEURS NATIONAL PARK...BIGFORK...NETT LAKE...ORR...MEADOW BROOK...
ASH LAKE...KABETOGAMA...EFFIE...CRANE LAKE...GHEEN...RAINY LAKE...
KABETOGAMA LAKE...CUSSON...TOGO...PELICAN LAKE...PERCH LAKE...
LINDEN GROVE...STONY BROOK...SIDE LAKE AND CELINA.

SEEK SHELTER INSIDE A STURDY BUILDING AND AWAY FROM WINDOWS UNTIL
THESE STORMS PASS.

LAT...LON 4862 9318 4862 9295 4861 9295 4854 9273
      4854 9264 4850 9263 4850 9270 4846 9271
      4845 9270 4844 9266 4845 9251 4841 9245
      4837 9248 4828 9241 4753 9305 4779 9395
      4864 9322
TIME...MOT...LOC 0747Z 286DEG 38KT 4872 9308 4784 9383

LE

Special weather statement, Aug 9, 3:39 AM CDT, 2 hours 16 minutes before

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Special weather statement, Aug 9, 5:55 AM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 9, 1:18 AM CDT	Special Weather Statement	DLH	Koochiching	42 min
Aug 9, 2:00 AM CDT	Special Weather Statement	DLH	Koochiching	45 min
Aug 9, 2:49 AM CDT	Special Weather Statement	DLH	Koochiching	41 min
Aug 9, 3:39 AM CDT	Special Weather Statement	DLH	Saint Louis	51 min

Nearby

Special Weather Statements in Minnesota, 2016 Every special weather statement in 2016

Sources

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