Alert archive / Michigan / High Wind Warnings in 2007

High Wind Warning 2, NWS Marquette, MI

September 20, 2007Houghton County, Keweenaw County, Michigan

NWS Marquette, MI issued this high wind warning at Sep 20, 2007, 4:36 PM EDT for Houghton County, Keweenaw County, Michigan. It took effect at Sep 21, 2007, 12:00 PM EDT. It was in force for 14 hr. 3 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Sep 20, 2007, 4:36 PM EDT (20:36 UTC)
In effect from
Sep 21, 2007, 12:00 PM EDT
Expired
Sep 22, 2007, 1:47 AM EDT
In force
14 hr
Issued by
NWS Marquette, MI

Counties Houghton County, MI, Keweenaw County, MI

The radar

The Marquette radar (KMQT), 95 km from the middle of the area, began a volume at 20:36 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
Sep 21, 12:25 PM EDTHAIL 0.755 Sw Houghton, MI
Sep 21, 7:27 PM EDTTSTM WND DMG2 Nw Twin Lakes, MIWINDS ESTIMATED AT 70 MPH KNOCKED DOWN SEVERAL 100 FOOT TALL TREES.
Sep 21, 7:33 PM EDTTSTM WND DMG1 S Twin Lakes, MITREE LIMBS KNOCKED DOWN POWER LINES

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

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 8.6 hours before the alert went out and 297 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, Green Bay/Straub, WI at 12:00Z on 2007-09-20Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 12:00Z on 2007-09-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 140 square meters per square second.193958Sfc1 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
645 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
140 m²/s²
0-3 km storm-relative helicity
150 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS73 KMQT 202036
NPWMQT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MARQUETTE MI
436 PM EDT THU SEP 20 2007

...STRONG WINDS FRIDAY INTO FRIDAY EVENING...

.A LOW PRESSURE SYSTEM DEVELOPING OVER THE NORTHERN PLAINS LATE
TONIGHT WILL DEEPEN RAPIDLY AS IT MOVES TO NORTHERN ONTARIO ON
FRIDAY. EXPECT GUSTY SOUTH WINDS ON FRIDAY AHEAD OF A POTENT COLD
FRONT TIED TO THE SURFACE LOW. ONCE THE FRONT BARRELS THROUGH THE 
UPPER PENINSULA LATE FRIDAY...WINDS WILL SHIFT TO THE WEST AND
BECOME VERY STRONG. WIND GUSTS BEHIND THE FRONT MAY REACH 60 MPH 
OVER THE KEWEENAW PENINSULA.

MIZ001-003-210445-
/O.UPG.KMQT.HW.A.0001.070921T2100Z-070922T0400Z/
/O.NEW.KMQT.HW.W.0002.070921T1600Z-070922T0600Z/
KEWEENAW-NORTHERN HOUGHTON-
INCLUDING THE CITIES OF...COPPER HARBOR...HOUGHTON...HANCOCK
436 PM EDT THU SEP 20 2007

...HIGH WIND WARNING IN EFFECT FROM 12 PM FRIDAY TO 2 AM EDT
SATURDAY...

THE NATIONAL WEATHER SERVICE IN MARQUETTE HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 12 PM FRIDAY TO 2 AM EDT 
SATURDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT.

GUSTY SOUTH WINDS TO 30 MPH WILL DEVELOP FRIDAY AHEAD OF A STRONG
COLD FRONT. ONCE THE FRONT PASSES THROUGH LATE FRIDAY AFTERNOON...
EXPECT WEST WINDS OF 30 TO 40 MPH WITH GUSTS TO 60 MPH TO DEVELOP
OVER THE KEWEENAW PENINSULA...ESPECIALLY OVER EXPOSED HIGHER TERRAIN
AND THROUGH THE PORTAGE CANAL.

WINDS WILL BEGIN TO DIMINISH LATE FRIDAY NIGHT AS THE LOW PRESSURE
CENTER OVER ONTARIO MOVES FARTHER NORTH TOWARD HUDSON BAY.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

$$

MIZ004-005-210445-
/O.NEW.KMQT.WI.Y.0011.070921T1600Z-070922T0300Z/
BARAGA-MARQUETTE-
INCLUDING THE CITIES OF...LANSE...MARQUETTE
436 PM EDT THU SEP 20 2007

...WIND ADVISORY IN EFFECT FROM 12 PM TO 11 PM EDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN MARQUETTE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 12 PM TO 11 PM EDT FRIDAY. 

SOUTH WINDS OF 30 MPH WILL GUST AS HIGH AS 45 MPH BY EARLY FRIDAY
AFTERNOON. EXPECT WINDS TO SHIFT TO THE WEST BEHIND A STRONG COLD
FRONT FRIDAY EVENING WITH WIND GUSTS TO 45 MPH POSSIBLE THROUGH 
FRIDAY EVENING.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR GUSTS TO
45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

$$

MIZ009-210445-
/O.NEW.KMQT.WI.Y.0011.070921T1600Z-070922T0000Z/
GOGEBIC-
INCLUDING THE CITY OF...IRONWOOD
336 PM CDT THU SEP 20 2007

...WIND ADVISORY IN EFFECT FROM 11 AM TO 7 PM CDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN MARQUETTE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 11 AM TO 7 PM CDT FRIDAY. 

SOUTH WINDS OF 30 MPH WILL GUST AS HIGH AS 45 MPH LATE FRIDAY
MORNING THROUGH MID FRIDAY AFTERNOON. AS A STRONG COLD FRONT
CROSSES LATE FRIDAY AFTERNOON...EXPECT WINDS TO SHIFT TO THE 
WEST WITH GUSTS AS HIGH AS 45 MPH THROUGH EARLY FRIDAY EVENING.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR GUSTS TO
45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

$$

MIZ002-084-210445-
/O.NEW.KMQT.WI.Y.0011.070921T1600Z-070922T0300Z/
ONTONAGON-SOUTHERN HOUGHTON-
INCLUDING THE CITIES OF...ONTONAGON...KENTON...SIDNAW
436 PM EDT THU SEP 20 2007

...WIND ADVISORY IN EFFECT FROM 12 PM TO 11 PM EDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN MARQUETTE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 12 PM TO 11 PM EDT FRIDAY. 

SOUTH WINDS OF 20 TO 30 MPH WILL GUST AS HIGH AS 45 MPH FRIDAY
AFTERNOON. AS A STRONG COLD FRONT CROSSES LATE FRIDAY
AFTERNOON...EXPECT WINDS TO SHIFT TO THE WEST WITH GUSTS AS HIGH
AS 45 MPH THROUGH FRIDAY EVENING.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR GUSTS TO
45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

$$

MIZ006-007-085-210445-
/O.NEW.KMQT.WI.Y.0011.070921T1600Z-070922T0400Z/
ALGER-LUCE-NORTHERN SCHOOLCRAFT-
INCLUDING THE CITIES OF...MUNISING...NEWBERRY...SENEY
436 PM EDT THU SEP 20 2007

...WIND ADVISORY IN EFFECT FROM 12 PM FRIDAY TO MIDNIGHT EDT
FRIDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN MARQUETTE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 12 PM FRIDAY TO MIDNIGHT EDT
FRIDAY NIGHT. 

SOUTH WINDS OF 30 MPH WILL GUST AS HIGH AS 45 MPH BY EARLY FRIDAY
AFTERNOON. EXPECT WINDS TO SHIFT TO THE WEST BEHIND A STRONG COLD
FRONT EARLY FRIDAY EVENING WITH WIND GUSTS TO 45 MPH POSSIBLE
THROUGH FRIDAY EVENING.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR GUSTS TO
45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

$$
JLA
6 follow-up statements
000 
WWUS73 KMQT 210231
NPWMQT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MARQUETTE MI
1031 PM EDT THU SEP 20 2007

...STRONG WINDS FRIDAY INTO FRIDAY EVENING...

.LOW PRESSURE DEVELOPING OVER THE NORTHERN PLAINS OVERNIGHT WILL
DEEPEN RAPIDLY AS IT MOVES TO NORTHERN ONTARIO FRIDAY. EXPECT GUSTY
SOUTH WINDS ON FRIDAY AHEAD OF A POTENT COLD FRONT TIED TO THE
LOW PRESSURE. ONCE THE FRONT BARRELS THROUGH THE UPPER PENINSULA LATE
FRIDAY...WINDS WILL SHIFT TO THE WEST AND BECOME VERY STRONG. WIND
GUSTS BEHIND THE FRONT MAY REACH 60 MPH OVER THE KEWEENAW PENINSULA.

MIZ001-003-211000-
/O.CON.KMQT.HW.W.0002.070921T1600Z-070922T0600Z/
KEWEENAW-NORTHERN HOUGHTON-
INCLUDING THE CITIES OF...COPPER HARBOR...HOUGHTON...HANCOCK
1031 PM EDT THU SEP 20 2007

...HIGH WIND WARNING REMAINS IN EFFECT FROM 12 PM FRIDAY TO 2 AM
EDT SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT FROM 12 PM FRIDAY TO 2 AM
EDT SATURDAY. 

GUSTY SOUTH WINDS TO 30 MPH WILL DEVELOP FRIDAY AHEAD OF A STRONG
COLD FRONT. ONCE THE FRONT PASSES LATE FRIDAY AFTERNOON...EXPECT
WEST WINDS OF 30 TO 40 MPH WITH GUSTS TO 60 MPH TO DEVELOP OVER
THE KEWEENAW PENINSULA...ESPECIALLY OVER EXPOSED HIGHER TERRAIN
AND THROUGH THE PORTAGE CANAL.

WINDS WILL BEGIN TO DIMINISH LATE FRIDAY NIGHT AS THE LOW PRESSURE
CENTER OVER ONTARIO MOVES FARTHER NORTH TOWARD HUDSON BAY.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

$$

MIZ004-005-211000-
/O.CON.KMQT.WI.Y.0011.070921T1600Z-070922T0300Z/
BARAGA-MARQUETTE-
INCLUDING THE CITIES OF...LANSE...MARQUETTE
1031 PM EDT THU SEP 20 2007

...WIND ADVISORY REMAINS IN EFFECT FROM 12 PM TO 11 PM EDT
FRIDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 12 PM TO 11 PM EDT FRIDAY.

SOUTH WINDS OF 30 MPH WILL GUST AS HIGH AS 45 MPH BY EARLY FRIDAY
AFTERNOON. EXPECT WINDS TO SHIFT TO THE WEST BEHIND A STRONG COLD
FRONT FRIDAY EVENING WITH WIND GUSTS TO 45 MPH POSSIBLE THROUGH
FRIDAY EVENING.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR GUSTS TO
45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

$$

MIZ009-211000-
/O.CON.KMQT.WI.Y.0011.070921T1600Z-070922T0000Z/
GOGEBIC-
INCLUDING THE CITY OF...IRONWOOD
931 PM CDT THU SEP 20 2007

...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM TO 7 PM CDT
FRIDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 11 AM TO 7 PM CDT FRIDAY. 

SOUTH WINDS OF 30 MPH WILL GUST AS HIGH AS 45 MPH LATE FRIDAY
MORNING THROUGH MID FRIDAY AFTERNOON. AS A STRONG COLD FRONT
CROSSES LATE FRIDAY AFTERNOON...EXPECT WINDS TO SHIFT TO THE WEST
WITH GUSTS AS HIGH AS 45 MPH THROUGH EARLY FRIDAY EVENING.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR GUSTS TO
45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

$$

MIZ002-084-211000-
/O.CON.KMQT.WI.Y.0011.070921T1600Z-070922T0300Z/
ONTONAGON-SOUTHERN HOUGHTON-
INCLUDING THE CITIES OF...ONTONAGON...KENTON...SIDNAW
1031 PM EDT THU SEP 20 2007

...WIND ADVISORY REMAINS IN EFFECT FROM 12 PM TO 11 PM EDT
FRIDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 12 PM TO 11 PM EDT FRIDAY.

SOUTH WINDS OF 20 TO 30 MPH WILL GUST AS HIGH AS 45 MPH FRIDAY
AFTERNOON. AS A STRONG COLD FRONT CROSSES LATE FRIDAY AFTERNOON...
EXPECT WINDS TO SHIFT TO THE WEST WITH GUSTS AS HIGH AS 45 MPH
THROUGH FRIDAY EVENING.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR GUSTS TO
45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

$$

MIZ006-007-085-211000-
/O.CON.KMQT.WI.Y.0011.070921T1600Z-070922T0400Z/
ALGER-LUCE-NORTHERN SCHOOLCRAFT-
INCLUDING THE CITIES OF...MUNISING...NEWBERRY...SENEY
1031 PM EDT THU SEP 20 2007

...WIND ADVISORY REMAINS IN EFFECT FROM 12 PM FRIDAY TO MIDNIGHT
EDT FRIDAY NIGHT...

A WIND ADVISORY REMAINS IN EFFECT FROM 12 PM FRIDAY TO MIDNIGHT
EDT FRIDAY NIGHT. 

SOUTH WINDS OF 30 MPH WILL GUST AS HIGH AS 45 MPH BY EARLY FRIDAY
AFTERNOON. EXPECT WINDS TO SHIFT TO THE WEST BEHIND A STRONG COLD
FRONT EARLY FRIDAY EVENING WITH WIND GUSTS TO 45 MPH POSSIBLE
THROUGH FRIDAY EVENING.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR GUSTS TO
45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

$$

ROLFSON
000 
WWUS73 KMQT 210946
NPWMQT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MARQUETTE MI
546 AM EDT FRI SEP 21 2007

...STRONG WINDS THROUGH THIS EVENING...

.STRONG LOW PRESSURE OVER SOUTH DAKOTA THIS MORNING WILL STRENGTHEN
AS IT MOVES TO NORTHERN ONTARIO TONIGHT. EXPECT GUSTY SOUTH WINDS
AHEAD OF A COLD FRONT THAT WILL MOVE ACROSS THE AREA LATE THIS
AFTERNOON INTO THIS EVENING. ONCE THE FRONT MOVES THROUGH...THE
WIND WILL SWITCH TO THE WEST. WIND GUSTS BEHIND THE FRONT MAY
REACH 60 MPH OVER THE KEWEENAW PENINSULA BY THIS EVENING.

MIZ001-003-211800-
/O.CON.KMQT.HW.W.0002.070921T1600Z-070922T0600Z/
KEWEENAW-NORTHERN HOUGHTON-
INCLUDING THE CITIES OF...COPPER HARBOR...HOUGHTON...HANCOCK
546 AM EDT FRI SEP 21 2007

...HIGH WIND WARNING REMAINS IN EFFECT FROM NOON TODAY TO 2 AM
EDT SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT FROM NOON TODAY TO 2 AM EDT
SATURDAY. 

GUSTY SOUTH WINDS TO 30 MPH WILL DEVELOP TODAY AHEAD OF A STRONG
COLD FRONT. ONCE THE FRONT PASSES LATE THIS AFTERNOON...EXPECT
WEST WINDS OF 30 TO 40 MPH WITH GUSTS TO 60 MPH TO DEVELOP OVER
THE KEWEENAW PENINSULA...ESPECIALLY OVER EXPOSED HIGHER TERRAIN
AND THROUGH THE PORTAGE CANAL.

WINDS WILL BEGIN TO DIMINISH LATE TONIGHT AS THE LOW PRESSURE
CENTER OVER ONTARIO MOVES FARTHER NORTH TOWARD HUDSON BAY.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

$$

MIZ004-005-211800-
/O.CON.KMQT.WI.Y.0011.070921T1600Z-070922T0300Z/
BARAGA-MARQUETTE-
INCLUDING THE CITIES OF...LANSE...MARQUETTE
546 AM EDT FRI SEP 21 2007

...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 11 PM EDT
THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 11 PM EDT
THIS EVENING. 

SOUTH WINDS OF 30 MPH WILL GUST AS HIGH AS 45 MPH BY EARLY THIS
AFTERNOON. EXPECT WINDS TO SHIFT TO THE WEST BEHIND A STRONG COLD
FRONT THIS EVENING WITH WIND GUSTS TO 45 MPH POSSIBLE THROUGH
THE EVENING.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR GUSTS TO
45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

$$

MIZ009-211800-
/O.CON.KMQT.WI.Y.0011.070921T1600Z-070922T0000Z/
GOGEBIC-
INCLUDING THE CITY OF...IRONWOOD
446 AM CDT FRI SEP 21 2007

...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
7 PM CDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM
CDT THIS EVENING. 

SOUTH WINDS OF 30 MPH WILL GUST AS HIGH AS 45 MPH LATE THIS MORNING
THROUGH MID AFTERNOON. AS A STRONG COLD FRONT CROSSES LATE THIS
AFTERNOON...EXPECT WINDS TO SHIFT TO THE WEST WITH GUSTS AS HIGH
AS 45 MPH THROUGH EARLY THIS EVENING.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR GUSTS TO
45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

$$

MIZ002-084-211800-
/O.CON.KMQT.WI.Y.0011.070921T1600Z-070922T0300Z/
ONTONAGON-SOUTHERN HOUGHTON-
INCLUDING THE CITIES OF...ONTONAGON...KENTON...SIDNAW
546 AM EDT FRI SEP 21 2007

...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 11 PM EDT
THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 11 PM EDT
THIS EVENING. 

SOUTH WINDS OF 20 TO 30 MPH WILL GUST AS HIGH AS 45 MPH THIS
AFTERNOON. AS A STRONG COLD FRONT CROSSES LATE THIS AFTERNOON...
EXPECT WINDS TO SHIFT TO THE WEST WITH GUSTS AS HIGH AS 45 MPH
THROUGH THIS EVENING.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR GUSTS TO
45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

$$

MIZ006-007-085-211800-
/O.CON.KMQT.WI.Y.0011.070921T1600Z-070922T0400Z/
ALGER-LUCE-NORTHERN SCHOOLCRAFT-
INCLUDING THE CITIES OF...MUNISING...NEWBERRY...SENEY
546 AM EDT FRI SEP 21 2007

...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO MIDNIGHT
EDT TONIGHT...

A WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO MIDNIGHT EDT
TONIGHT. 

SOUTH WINDS OF 30 MPH WILL GUST AS HIGH AS 45 MPH BY EARLY THIS
AFTERNOON. EXPECT WINDS TO SHIFT TO THE WEST BEHIND A STRONG COLD
FRONT EARLY THIS EVENING WITH WIND GUSTS TO 45 MPH POSSIBLE
THROUGH MIDNIGHT.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR GUSTS TO
45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

$$

MICHELS
000 
WWUS73 KMQT 211517
NPWMQT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MARQUETTE MI
1117 AM EDT FRI SEP 21 2007

...STRONG WINDS THROUGH THIS EVENING...

.STRONG LOW PRESSURE OVER NORTHWEST MINNESOTA THIS MORNING WILL
STRENGTHEN AS IT MOVES TO NORTHERN ONTARIO TONIGHT. EXPECT GUSTY
SOUTH WINDS AHEAD OF A COLD FRONT THAT WILL MOVE ACROSS THE AREA
LATE THIS AFTERNOON INTO THIS EVENING. ONCE THE FRONT MOVES
THROUGH...THE WIND WILL SWITCH TO THE WEST. WIND GUSTS BEHIND THE
FRONT MAY REACH 60 MPH OVER THE KEWEENAW PENINSULA THIS EVENING.

MIZ001-003-212330-
/O.CON.KMQT.HW.W.0002.070921T1600Z-070922T0600Z/
KEWEENAW-NORTHERN HOUGHTON-
INCLUDING THE CITIES OF...COPPER HARBOR...HOUGHTON...HANCOCK
1117 AM EDT FRI SEP 21 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 AM EDT SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 AM EDT SATURDAY. 

GUSTY SOUTH WINDS TO 30 MPH WILL DEVELOP THIS AFTERNOON AHEAD OF
A STRONG COLD FRONT. ONCE THE FRONT PASSES LATE THIS AFTERNOON...EXPECT
WEST WINDS OF 30 TO 40 MPH WITH GUSTS TO 60 MPH TO DEVELOP OVER
THE KEWEENAW PENINSULA...ESPECIALLY OVER EXPOSED HIGHER TERRAIN
AND THROUGH THE PORTAGE CANAL.

WINDS WILL BEGIN TO DIMINISH LATE TONIGHT AS THE LOW PRESSURE
CENTER OVER ONTARIO MOVES FARTHER NORTH TOWARD HUDSON BAY.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

$$

MIZ004-005-212330-
/O.CON.KMQT.WI.Y.0011.070921T1600Z-070922T0300Z/
BARAGA-MARQUETTE-
INCLUDING THE CITIES OF...LANSE...MARQUETTE
1117 AM EDT FRI SEP 21 2007

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS EVENING. 

SOUTH WINDS OF 30 MPH WILL GUST AS HIGH AS 45 MPH THIS AFTERNOON.
EXPECT WINDS TO SHIFT TO THE WEST BEHIND A STRONG COLD FRONT THIS
EVENING WITH WIND GUSTS TO 45 MPH POSSIBLE THROUGH THE EVENING.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR GUSTS TO
45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

$$

MIZ009-212330-
/O.CON.KMQT.WI.Y.0011.070921T1600Z-070922T0000Z/
GOGEBIC-
INCLUDING THE CITY OF...IRONWOOD
1017 AM CDT FRI SEP 21 2007

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. 

SOUTH WINDS OF 30 MPH WILL GUST AS HIGH AS 45 MPH THIS AFTERNOON.
AS A STRONG COLD FRONT CROSSES LATE THIS AFTERNOON...EXPECT WINDS
TO SHIFT TO THE WEST WITH GUSTS AS HIGH AS 45 MPH THROUGH EARLY
THIS EVENING.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR GUSTS TO
45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

$$

MIZ002-084-212330-
/O.CON.KMQT.WI.Y.0011.070921T1600Z-070922T0300Z/
ONTONAGON-SOUTHERN HOUGHTON-
INCLUDING THE CITIES OF...ONTONAGON...KENTON...SIDNAW
1117 AM EDT FRI SEP 21 2007

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS EVENING. 

SOUTH WINDS OF 20 TO 30 MPH WILL GUST AS HIGH AS 45 MPH THIS
AFTERNOON. AS A STRONG COLD FRONT CROSSES LATE THIS AFTERNOON...
EXPECT WINDS TO SHIFT TO THE WEST WITH GUSTS AS HIGH AS 45 MPH
THROUGH THIS EVENING.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR GUSTS TO
45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

$$

MIZ006-007-085-212330-
/O.CON.KMQT.WI.Y.0011.070921T1600Z-070922T0400Z/
ALGER-LUCE-NORTHERN SCHOOLCRAFT-
INCLUDING THE CITIES OF...MUNISING...NEWBERRY...SENEY
1117 AM EDT FRI SEP 21 2007

...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

A WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT. 

SOUTH WINDS OF 30 MPH WILL GUST AS HIGH AS 45 MPH THIS AFTERNOON.
EXPECT WINDS TO SHIFT TO THE WEST BEHIND A STRONG COLD FRONT EARLY
THIS EVENING WITH WIND GUSTS TO 45 MPH POSSIBLE THROUGH MIDNIGHT.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR GUSTS TO
45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

$$

JLB
000 
WWUS73 KMQT 212043
NPWMQT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MARQUETTE MI
443 PM EDT FRI SEP 21 2007

...STRONG WINDS THROUGH THIS EVENING...

.STRONG LOW PRESSURE JUST NORTHEAST OF INTERNATIONAL FALLS
MINNESOTA WILL STRENGTHEN SIGNIFICANTLY AS IT MOVES TO JAMES BAY
TONIGHT. EXPECT GUSTY SOUTH WINDS AHEAD OF A COLD FRONT THAT WILL
MOVE ACROSS THE AREA THIS EVENING. ONCE THE FRONT MOVES THROUGH...
THE WIND WILL SWITCH TO THE WEST. WIND GUSTS BEHIND THE FRONT MAY
REACH 60 MPH OVER THE KEWEENAW PENINSULA THIS EVENING.

MIZ001-003-220445-
/O.CON.KMQT.HW.W.0002.000000T0000Z-070922T0600Z/
KEWEENAW-NORTHERN HOUGHTON-
INCLUDING THE CITIES OF...COPPER HARBOR...HOUGHTON...HANCOCK
443 PM EDT FRI SEP 21 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 AM EDT SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 AM EDT SATURDAY. 

GUSTY SOUTH WINDS TO 40 MPH WILL SHIFT TO THE WEST THIS EVENING AS
A COLD FRONT PASSES. BEHIND THE FRONT...EXPECT WEST WINDS OF 30
TO 40 MPH WITH GUSTS TO 60 MPH TO DEVELOP...ESPECIALLY OVER
EXPOSED HIGHER TERRAIN AND THROUGH THE PORTAGE CANAL. WINDS WILL
BEGIN TO DIMINISH LATE TONIGHT AS THE LOW PRESSURE CENTER OVER
ONTARIO MOVES FARTHER AWAY.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

$$

MIZ004-005-220300-
/O.CON.KMQT.WI.Y.0011.000000T0000Z-070922T0300Z/
BARAGA-MARQUETTE-
INCLUDING THE CITIES OF...LANSE...MARQUETTE
443 PM EDT FRI SEP 21 2007

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS EVENING. 

SOUTH WINDS OF 15 TO 25 MPH WILL INCREASE TO 20 TO 30 MPH THIS
EVENING WITH GUSTS TO 45 MPH POSSIBLE. EXPECT THE WINDS TO SHIFT 
TO THE WEST BEHIND A STRONG COLD FRONT THIS EVENING. LOOK FOR THE
WINDS TO DIMINISH LATE THIS EVENING AS THE LOW PRESSURE CENTER
MOVES FARTHER AWAY.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR GUSTS TO
45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

$$

MIZ009-220000-
/O.CON.KMQT.WI.Y.0011.000000T0000Z-070922T0000Z/
GOGEBIC-
INCLUDING THE CITY OF...IRONWOOD
343 PM CDT FRI SEP 21 2007

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. 

SOUTH WINDS OF 15 TO 25 MPH WILL INCREASE TO 20 TO 30 MPH THIS
EVENING WITH GUSTS AS HIGH AS 45 MPH. AS A STRONG COLD FRONT
CROSSES EARLY THIS EVENING...EXPECT WINDS TO SHIFT TO THE WEST.
LOOK FOR THE WINDS TO DIMINISH LATE THIS EVENING AS THE LOW
PRESSURE CENTER OVER NORTHERN ONTARIO MOVES FARTHER AWAY.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR GUSTS TO
45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

$$

MIZ002-084-220300-
/O.CON.KMQT.WI.Y.0011.000000T0000Z-070922T0300Z/
ONTONAGON-SOUTHERN HOUGHTON-
INCLUDING THE CITIES OF...ONTONAGON...KENTON...SIDNAW
443 PM EDT FRI SEP 21 2007

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS EVENING. 

SOUTH WINDS OF 15 TO 25 MPH WILL INCREASE TO 20 TO 30 MPH THIS
EVENING WITH GUSTS AS HIGH AS 45 MPH. AS A STRONG COLD FRONT
CROSSES EARLY THIS EVENING...EXPECT WINDS TO SHIFT TO THE WEST. 
LOOK FOR THE WINDS TO DIMINISH LATE THIS EVENING AS THE LOW
PRESSURE CENTER OVER NORTHERN ONTARIO MOVES FARTHER AWAY.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR GUSTS TO
45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

$$

MIZ006-007-085-220400-
/O.CON.KMQT.WI.Y.0011.000000T0000Z-070922T0400Z/
ALGER-LUCE-NORTHERN SCHOOLCRAFT-
INCLUDING THE CITIES OF...MUNISING...NEWBERRY...SENEY
443 PM EDT FRI SEP 21 2007

...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

A WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT. 

SOUTH WINDS 15 TO 25 MPH WILL INCREASE TO 20 TO 30 MPH THIS
EVENING WITH GUSTS UP TO 45 MPH. AS A STRONG COLD FRONT CROSSES
THIS EVENING...EXPECT WINDS TO SHIFT TO THE WEST. LOOK FOR THE
WINDS TO DIMINISH AROUND MIDNIGHT AS THE LOW PRESSURE CENTER OVER
NORTHERN ONTARIO MOVES FARTHER AWAY...THOUGH GUSTS NEAR 40 MPH ARE
STILL POSSIBLE ALONG THE SHORELINE.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR GUSTS TO
45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

$$

AJ
000 
WWUS73 KMQT 220346
NPWMQT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MARQUETTE MI
ISSUED BY NATIONAL WEATHER SERVICE GREEN BAY WI
1146 PM EDT FRI SEP 21 2007

...STRONG WINDS DIMINISHING OVER A PORTION OF THE AREA...

.THE STORM SYSTEM GENERATING THE HIGH WINDS ACROSS THE AREA WILL
BEGIN TO EXIT THE REGION. STRONG WINDS OFF LAKE SUPERIOR WILL
CONTINUE TO AFFECT THE KEWEENAW PENINSULA PAST MIDNIGHT...BUT
WINDS ACROSS THE REST OF THE AREA WERE DIMINISHING.

MIZ006-007-085-220500-
/O.CAN.KMQT.WI.Y.0011.000000T0000Z-070922T0400Z/
ALGER-LUCE-NORTHERN SCHOOLCRAFT-
INCLUDING THE CITIES OF...MUNISING...NEWBERRY...SENEY
1146 PM EDT FRI SEP 21 2007

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE HAS CANCELLED THE WIND ADVISORY.

WINDS SHOULD SLOWLY DIMINISH OVERNIGHT.	

$$

MIZ001-003-220600-
/O.CON.KMQT.HW.W.0002.000000T0000Z-070922T0600Z/
KEWEENAW-NORTHERN HOUGHTON-
INCLUDING THE CITIES OF...COPPER HARBOR...HOUGHTON...HANCOCK
1146 PM EDT FRI SEP 21 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 AM EDT SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 AM EDT SATURDAY. 

WEST WINDS OF 30 TO 40 MPH WITH GUSTS TO 60 MPH ARE EXPECTED...
ESPECIALLY OVER EXPOSED HIGHER TERRAIN AND THROUGH THE PORTAGE
CANAL. WINDS WILL BEGIN TO DIMINISH LATE TONIGHT.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

$$
JS
000 
WWUS73 KMQT 220547
NPWMQT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MARQUETTE MI
ISSUED BY NATIONAL WEATHER SERVICE GREEN BAY WI
147 AM EDT SAT SEP 22 2007

...WINDS TO SLOWLY SUBSIDE OVERNIGHT...

.WINDS WILL SLOWLY SUBSIDE OVERNIGHT AS A STRONG STORM SYSTEM
PULLS AWAY FROM THE AREA.

MIZ001-003-221000-
/O.CAN.KMQT.HW.W.0002.000000T0000Z-070922T0600Z/
/O.NEW.KMQT.WI.Y.0012.070922T0547Z-070922T1000Z/
KEWEENAW-NORTHERN HOUGHTON-
INCLUDING THE CITIES OF...COPPER HARBOR...HOUGHTON...HANCOCK
147 AM EDT SAT SEP 22 2007

...WIND ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS MORNING...
...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE HAS ISSUED A WIND ADVISORY...WHICH
IS IN EFFECT UNTIL 6 AM EDT EARLY THIS MORNING. THE HIGH WIND
WARNING HAS BEEN CANCELLED.

WEST WINDS OF 30 TO 40 MPH WITH GUSTS TO AROUND 50 MPH ARE
EXPECTED...ESPECIALLY OVER EXPOSED HIGHER TERRAIN AREAS. WINDS
WILL SLOWLY DIMINISH OVERNIGHT.

A WIND ADVISORY MEANS THAT WINDS OF AT LEAST 35 MPH ARE EXPECTED.
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

$$

JS

What forecasters said that day

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

NWS Marquette, MI wrote its last area forecast discussion before this high wind warning went out at Sep 20, 10:54 AM EDT, 5 hours 42 minutes earlier.

Area forecast discussion, Sep 20, 10:54 AM EDT, 5 hours 42 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE MARQUETTE MI
ISSUED BY NATIONAL WEATHER SERVICE GAYLORD MI
1055 AM AM EDT THU SEP 20 2007

...UPDATED FOR MORNING TRENDS AND MARINE...

.UPDATE...NO MAJOR ADJUSTMENTS ANTICIPATED FOR AFTERNOON FORECAST.
STRONG WAA AND ISENTROPIC ASCENT PATTERN RESIDES JUST UPSTREAM...IN
ASSOCIATION WITH IMPRESSIVE 850 MB LLJ OVER ERN DAKOTAS AND WRN MN.
ONGOING CONVECTIVE COMPLEX OVER CENTRAL MN WILL DRIFT SLOWLY ENE
TODAY...BUT REMAIN SAFELY TO OUR W/SW DURING THE AFTERNOON HOURS.
CONVECTIVE DEBRIS WILL CONTINUE TO SPILL INTO WRN AREAS...BUT THIS
WON/T PRECLUDE AT LEAST A PARTLY SUNNY AFTERNOON. ELSEWHERE...LOW
LEVEL MOISTURE/CLOUDS VICINITY OF ESC/IMT WILL DRIFT NWD INTO EARLY
AFTERNOON. CLOUDS SHOULD MIX OUT AND THIN WITH DIURNAL WARMING.
HIGHS APPEAR ON TARGET.

&&

.DISCUSSION...

CONCERNS FOCUS ON TIMING OF SHRA/TSRA AND SVR STORM POTENTIAL LATE
TONIGHT INTO FRIDAY...THEN DEVELOPING HIGH WIND EVENT FOR LATE FRI
AND FRI EVENING OVER THE KEWEENAW PENINSULA IN WAKE OF STRONG COLD
FRONT.

WATER VAPOR LOOP AND RUC ANALYSIS SHOWS BROAD RIDGING EXTENDING FROM
TEXAS INTO NEW ENGLAND...A 553 DAM LOW OVER THE CA COASTLINE. FOCUS
IS ON POTENT SHORTWAVE DIGGING DOWN BRITISH COLUMBIA AND ALBERTA.
00Z RAOBS INDICATED NEAR 150M HEIGHT FALLS AHEAD OF THIS SHORTWAVE
AND THIS WILL HELP DEEPEN STORM SYSTEM OVER THE NORTHERN PLAINS
TONIGHT.

TODAY...WITH THE HIGH PRESSURE AREA OVERHEAD...LAKE BREEZE
CIRCULATIONS ARE EXPECTED ON BOTH LAKE SUPERIOR AND MICHIGAN
SHORELINES. EXPECT COOLER HIGH TEMPERATURES THERE. EXPECT REMAINING
LOWER CLOUD DECK OVER CENTRAL UPR MI TO BURN OFF BY LATE MORNING
WHICH SHOULD ALLOW ENOUGH HEATING TO MIX 850MB TEMPS OF 11-12C TO
SFC AND ALLOW HIGHS TO REACH THE LOWER 70S INLAND. MODELS INDICATE
DEVELOPING CONVECTION AT NOSE OF STRENGTHENING 50+ LOW-LVL JET WILL
STAY WEST OF CWA.

TONIGHT...AS THE MID/UPPER LEVEL TROUGH FROM SRN CANADA DIVES INTO
THE NRN PLAINS LATE THIS EVENING...AXIS OF STRONG 50-55 KT LLJ AND
925-850 MB THETA-E ADVECTION WILL SHIFT SLIGHTLY EASTWARD AS WELL.
THIS CONVERGENCE/INSTABILITY AXIS WILL TRIGGER ELEVATED CONVECTION
OVER MN WHICH COULD SPREAD INTO WRN LAKE SUPERIOR AND W UPPER MI
LATE THIS EVENING AND OVERNIGHT. KEPT HIGHER END (40-50) CHANCE POPS
FOR FAR WRN UPR MI TAPERING TO LOW CHC POPS FOR CENTRAL COUNTIES.
STEEPENING 700-500 MB LAPSE RATES TO 7.0C/KM OR GREATER...MUCAPE
VALUES TO NEAR 1500 J/KG...DEEP LAYER SHEAR VALUES 45-50 KT AND
WET-BULB ZERO HEIGHTS AROUND 11 KFT COULD SUPPORT DEVELOPMENT OF
STRONGER OR ISOLD SVR STORMS WITH LARGE HAIL.

FRI INTO FRI NIGHT...POTENT FALL STORM SYSTEM TAKING SHAPE OVER THE
NORTHERN PLAINS AND THEN LIFTING THROUGH NRN ONTARIO WILL PRODUCE
STRONG WINDS ALONG WITH SCT/NMRS SHRA/TSRA AND THE POTENTIAL FOR
SEVERE STORMS. THE GFS/UKMET/NAM FCST 5H HEIGHT FALLS OF AROUND 200M
BY 00Z SAT AS SFC LOW DEEPENS TO NEAR 980 MB OVER NRN ONTARIO.
ALTHOUGH THE STRONGEST DEEP LAYER QVECTOR CONV AND UPPER LEVEL DIV
IN LEFT EXIT OF A 140 KT 250-300 MB JET WILL PASS NORTH OF THE
CWA...MODELS STILL INDICATE VERY STRONG DYNAMICS AND DPVA WITH
SHORTWAVE...STRONG LOW LEVEL CONV AHEAD AND ALONG/AHEAD OF ASSOC
COLD FRONT WHICH SHOULD SUPPORT SCT TO NMRS SHRA/TSRA ALONG A
DEVELOPING SQUALL LINE. WITH MLCAPE VALUES FCST INTO THE 1000-1500
J/KG RANGE (80/63)...AND VERY STRONG 0-6 KM SHEAR (60-70 KT) SOME
SEVERE STORMS ARE POSSIBLE WITH DAMAGING WIND AND LARGE HAIL
INCLUDING ISOLD SUPERCELLS. SPC HAS UPR MI FIRMLY IN SLIGHT RISK
AREA FOR DAY2 CONVECTIVE OUTLOOK. STRONG ISALLOBARIC COMPONENT WITH
3 HR PRES RISE/FALL COUPLET 18-20 MB BEHIND THE COLD FRONT AND ALONG
SHORTWAVE TRACK COULD SUPPORT WINDS INTO THE HIGH WIND WARNING RANGE
OVER THE KEWEENAW PENINSULA AND PERHAPS ADVISORY RANGE FOR OTHER
AREAS ALONG THE LAKE SUPERIOR SHORE. REGIONAL HIGH WIND CHECKLIST
DEVELOPED BY KAPELA ET AL...POINT FAVORABLY TOWARD HIGH WIND WARNING
CRITERIA FOR THE KEWEENAW PENINSULA AND WINDS WILL ONLY BE ENHANCED
BY WRLY DIRECTION. THUS...ISSUED HIGH WIND WATCH FOR LATE FRIDAY
INTO FRI EVENING.

KEPT SHRA/TSRA GOING OVER THE EAST BTWN 00Z-03Z FRI EVENING...THEN
LOOK FOR SHARP DRYING BEHIND THE FRONT AS SFC RIDGE MOVES ACROSS THE
AREA. WINDS SHOULD TAPER OFF LATE FRI NIGHT AS DEEP LOW MOVES TOWARD
HUDSON BAY AND WRLY GRAD SLACKENS OVER UPR MI. HIGH PRES WILL KEEP
CONDITIONS DRY BUT SLIGHTLY COOLER FOR SAT WITH HIGHS IN THE LOWER
70S.

&&

.AVIATION (FOR THE 06Z TAF ISSUANCE)...

MVFR STRATUS/STRATOCU DECK CONTINUES TO PUSH E ACROSS W AND CNTRL
UPPER MI. AT KCMX...THE CLOUDS HAVE RECENTLY SCATTERED OUT...AND VFR
CONDITIONS SHOULD PREVAIL FOR THIS FCST PERIOD. AT KSAW...SINCE THE
BACK EDGE OF THE CLOUDS IS MOVING STEADILY ALONG...SCT TO
OCCASIONALLY BKN MVFR CLOUDS SHOULD ONLY PERSIST FOR ANOTHER HR OR
SO. AS WINDS BECOME MORE NRLY OVERNIGHT...WILL NEED TO WATCH FOR
REDEVELOPMENT OF BKN MVFR POSSIBLY IFR CLOUDS LATE...BUT AT THIS
POINT...IT LOOKS LIKE AIRMASS WILL BE DRYING OUT SUFFICIENTLY TO
PREVENT BKN CLOUD DEVELOPMENT. THU EVENING...LOW-LEVEL JET WILL BE
STRENGTHENING AND NOSING E TOWARD UPPER MI. THIS SHOULD LEAD TO LLWS
CONDITIONS AT KCMX MID TO LATE EVENING. LLWS WILL LIKELY BEGIN AT
KSAW JUST BEYOND THIS FCST PERIOD. SOME CONVECTION MAY DEVELOP AS
LOW-LEVEL JET APPROACHES. FOR NOW...HAVE INCLUDED A PROB30 GROUP AT
KCMX AT THE END OF THE FCST PERIOD.

&&

.MARINE (FOR THE 10 AM LAKE SUPERIOR FORECAST ISSUANCE)...

A QUIET AFTERNOON...AS HIGH PRESSURE PRESENTLY IN VICINITY OF LAKE
SUPERIOR DRIFTS EWD. E/SE WINDS WILL PICK UP A BIT BY LATE AFTERNOON
AS GRADIENT TIGHTENS AND COLD FRONT MOVES INTO NRN PLAINS STATES.

TONIGHT...SOUTHERLY WINDS MAY APPROACH 30 KT ON EASTERN LAKE
SUPERIOR TONIGHT AND ON ALL OF LAKE SUPERIOR FRIDAY MORNING THROUGH
EARLY FRIDAY AFTERNOON. AS THE AFOREMENTIONED COLD FRONT CROSSES
LAKE SUPERIOR BY LATE FRIDAY...GALE FORCE WINDS TO 45 KT ARE
EXPECTED TO DEVELOP BEHIND IT. IT IS POSSIBLE THAT THESE WINDS COULD
APPROACH STORM FORCE AS PRESSURES RISE RAPIDLY. LOOK FOR CONTINUED
30 TO 35 KT WINDS AS THE LOW PULLS AWAY AND HIGH PRESSURE BUILDS
ACROSS IOWA. WINDS WILL DIMINISH SLOWLY ON SATURDAY TO BELOW 20 KT
BY THE EVENING AS A HIGH PRESSURE RIDGE CROSSES LAKE SUPERIOR.
HOWEVER...WINDS WILL REMAINS STRONG OVER THE EAST END OF THE LAKE
SATURDAY EVENING...WHERE CONVERGENCE WILL KEEP NEAR GALE FORCE WINDS
GOING NEAR WHITE FISH BAY. THEN A BRIEF LULL WILL OCCUR AS ANOTHER
STRONG LOW PRESSURE AREA DEVELOPS IN NORTH DAKOTA ON
SUNDAY...CAUSING WINDS TO INCREASE OUT OF THE SOUTH. THESE SOUTHERLY
WINDS COULD REACH 20-25 KT ON MONDAY.

&&

.MQT WATCHES/WARNINGS/ADVISORIES...
GALE WARNING LAKE SUPERIOR FRI AFTERNOON INTO FRI NIGHT.
HIGH WIND WATCH MIZ001-003 LATE FRI AFTERNOON AND FRIDAY EVENING.

&&

DISCUSSION...VOSS
AVIATION...ROLFSON/DLG
MARINE...DLG/SMITH
UPDATE...SMITH
Hazardous weather outlook, Sep 20, 6:47 AM EDT, 9 hours 49 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MARQUETTE MI
647 AM EDT THU SEP 20 2007

MIZ001>007-009>014-084-085-211200-
KEWEENAW-ONTONAGON-NORTHERN HOUGHTON-BARAGA-MARQUETTE-ALGER-LUCE-
GOGEBIC-IRON-DICKINSON-MENOMINEE-DELTA-SOUTHERN SCHOOLCRAFT-
SOUTHERN HOUGHTON-NORTHERN SCHOOLCRAFT-
647 AM EDT THU SEP 20 2007 /547 AM CDT THU SEP 20 2007/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN UPPER
MICHIGAN AND CENTRAL UPPER MICHIGAN.

.DAY ONE...TODAY AND TONIGHT

THERE IS A CHANCE OF THUNDERSTORMS LATE TONIGHT OVER THE WEST
HALF OF UPPER MICHIGAN. A FEW OF THESE STORMS COULD BECOME
SEVERE...PRODUCING LARGE HAIL.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THERE IS A CHANCE OF THUNDERSTORMS ACROSS ALL OF WEST AND CENTRAL
UPPER MICHIGAN FRIDAY. SOME STORMS COULD PRODUCE LARGE HAIL AND
DAMAGING WINDS.

GUSTY WEST WINDS UP TO 60 MPH ARE POSSIBLE OVER THE KEWEENAW
FRIDAY AFTERNOON AND EVENING. WIND GUSTS TO 45 MPH ARE POSSIBLE
ALONG THE REST OF THE LAKE SUPERIOR SHORELINE FRIDAY AFTERNOON AND
EVENING.

THERE IS A CHANCE OF THUNDERSTORMS ACROSS THE WEST HALF OF UPPER
MICHIGAN MONDAY...ACROSS WEST AND CENTRAL UPPER MICHIGAN MONDAY
NIGHT AND ACROSS THE EAST HALF OF UPPER MICHIGAN TUESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED LATE TONIGHT AND FRIDAY.

LSZ221-241>248-263-264-211200-
KEWEENAW BAY AND HURON BAY FROM LOWER ENTRANCE LIGHT TO PORTAGE
LAKE TO HURON ISLANDS MI-SAXON HARBOR WI TO ONTONAGON MI-
ONTONAGON TO UPPER ENTRANCE OF PORTAGE CANAL MI-
UPPER ENTRANCE OF PORTAGE CANAL TO MANITOU ISLAND MI-
MANITOU ISLAND TO LOWER ENTRANCE OF PORTAGE CANAL MI-
HURON ISLANDS TO MARQUETTE MI-MARQUETTE TO MUNISING MI-
MUNISING TO GRAND MARAIS MI-GRAND MARAIS TO WHITEFISH POINT MI-
LAKE SUPERIOR, EAST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE, MN, TO A LINE NORTHWARD FROM MANITOU IS. MI, BEYOND 5 NM
AND SOUTH OF THE US/CANADIAN BORDER-
LAKE SUPERIOR, EAST OF A LINE FROM MANITOU IS. MI NORTHWARD
BEYOND 5 NM AND SOUTH OF THE US/CANADIAN BORDER, EXCLUDING
WHITEFISH BAY-
647 AM EDT THU SEP 20 2007 /547 AM CDT THU SEP 20 2007/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN LAKE
SUPERIOR...CENTRAL LAKE SUPERIOR AND WESTERN LAKE SUPERIOR.

.DAY ONE...TODAY AND TONIGHT

THERE IS A CHANCE OF THUNDERSTORMS TONIGHT OVER THE WEST HALF OF
LAKE SUPERIOR. SOME OF THESE STORMS COULD PRODUCE LARGE HAIL.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THERE IS A CHANCE OF THUNDERSTORMS ACROSS ALL OF LAKE SUPERIOR
FRIDAY. SOME STORMS COULD PRODUCE DAMAGING WINDS AND LARGE HAIL.

GALE FORCE WINDS ARE EXPECTED FRIDAY AFTERNOON AND EVENING OVER LAKE
SUPERIOR. A FEW STORM FORCE GUSTS ARE POSSIBLE OVER THE EAST HALF
OF LAKE SUPERIOR.

THUNDERSTORMS ARE POSSIBLE AGAIN MONDAY NIGHT AND TUESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

LMZ221-248-262-211200-
BAY OF GREEN BAY NORTH OF LINE FROM CEDAR RIVER MI TO ROCK ISLAND
PASSAGE-SEUL CHOIX POINT TO POINT DETOUR MI-
LAKE MICHIGAN...FROM SEUL CHOIX POINT TO ROCK ISLAND
PASSAGE...SOUTHEASTWARD BEYOND 5 NM OFF SHORE TO THE MID-
LINE OF THE LAKE-
647 AM EDT THU SEP 20 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHERN LAKE
MICHIGAN.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THERE IS A CHANCE OF THUNDERSTORMS FRIDAY. SOME STORMS COULD
PRODUCE LARGE HAIL AND DAMAGING WINDS.

THUNDERSTORMS ARE POSSIBLE AGAIN MONDAY NIGHT AND TUESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

VOSS

The office that day

Everything else NWS Marquette, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 20, 4:09 AM EDTHigh Wind WatchMQTHoughton, Keweenaw12 hr
Sep 20, 4:36 PM EDTWind AdvisoryMQTAlger, Baraga, Gogebic, Houghton, Luce, Marquette and 2 more31 hr

Nearby

High Wind Warnings in Michigan, 2007Every high wind warning in 2007

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.