Alert archive / Michigan / Wind Advisories in 2018
Wind Advisory 2, NWS Marquette, MI
NWS Marquette, MI issued this wind advisory at Sep 21, 2018, 4:23 AM EDT for 6 counties in Michigan. It took effect at Sep 21, 2018, 8:00 AM EDT. It was in force for 14 hr.
The area
The counties it named.
The facts
- Issued
- Sep 21, 2018, 4:23 AM EDT (08:23 UTC)
- In effect from
- Sep 21, 2018, 8:00 AM EDT
- Expired
- Sep 21, 2018, 10:00 PM EDT
- In force
- 14 hr
- Issued by
- NWS Marquette, MI
Counties Alger County, MI, Houghton County, MI, Keweenaw County, MI, Luce County, MI, Marquette County, MI, Schoolcraft County, MI
The radar
The Marquette radar (KMQT), 35 km from the middle of the area, began a volume at 08:24 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
Green Bay/Straub, WI (KGRB), launched 00:00Z, 8.4 hours before the alert went out and 251 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.
- Mixed-layer CAPE
- 3 J/kg
- Mixed-layer CIN
- -76 J/kg
- Mixed-layer LCL
- 512 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 340 m²/s²
- 0-3 km storm-relative helicity
- 454 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
The text
As transmitted.
826 WWUS73 KMQT 210823 NPWMQT URGENT - WEATHER MESSAGE National Weather Service Marquette MI 423 AM EDT Fri Sep 21 2018 ...Strong winds expected today... MIZ001-003-211700- /O.NEW.KMQT.WI.Y.0002.180921T1500Z-180921T2200Z/ Keweenaw-Northern Houghton- Including the cities of Copper Harbor, Houghton, and Hancock 423 AM EDT Fri Sep 21 2018 ...WIND ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 6 PM EDT THIS EVENING... The National Weather Service in Marquette has issued a Wind Advisory, which is in effect from 11 AM this morning to 6 PM EDT this evening. Hazardous Weather: * Plan on northwest winds to increase this morning. From late morning through mid afternoon, expect sustained winds of 25 to 35 mph with gusts of 45 to 50 mph. The strongest winds will occur along the west shore of the Keweenaw Peninsula and also in high terrain locations. Winds will quickly diminish late this afternoon and will become light this evening. Impacts: * The strong winds will break some tree limbs and may uproot weakened trees. * Sporadic powers outages may occur. * Driving high profile vehicles will be difficult at times. Precautionary/Preparedness Actions: * A Wind Advisory means that frequent wind gusts of 45 to 57 mph are expected or occuring. * Prepare, plan, and stay informed. Visit www.weather.gov/mqt && $$ MIZ005>007-085-211700- /O.NEW.KMQT.WI.Y.0002.180921T1600Z-180921T2300Z/ Marquette-Alger-Luce-Northern Schoolcraft- Including the cities of Gwinn, Marquette, Grand Marais, Munising, Newberry, and Seney 423 AM EDT Fri Sep 21 2018 ...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING... The National Weather Service in Marquette has issued a Wind Advisory, which is in effect from noon today to 7 PM EDT this evening. Hazardous Weather: * Plan on northwest winds to increase late this morning. During the afternoon, expect sustained winds of 25 to 35 mph with gusts of 45 to 50 mph. The strongest winds will occur along the lakeshore from Harvey east to Munising, Grand Marais and Crisp Point. Winds will quickly diminish early this evening and will become light during the night. Impacts: * The strong winds will break some tree limbs and may uproot weakened trees. * Sporadic powers outages may occur. * Driving high profile vehicles will be difficult at times, especially along M-28 where the road is exposed to winds off Lake Superior. Precautionary/Preparedness Actions: * A Wind Advisory means that frequent wind gusts of 45 to 57 mph are expected or occuring. * Prepare, plan, and stay informed. Visit www.weather.gov/mqt && $$ Rolfson
4 follow-up statements
297 WWUS73 KMQT 211046 NPWMQT URGENT - WEATHER MESSAGE National Weather Service Marquette MI 646 AM EDT Fri Sep 21 2018 ...Strong winds expected today... MIZ001-003-211900- /O.EXT.KMQT.WI.Y.0002.180921T1200Z-180921T2200Z/ Keweenaw-Northern Houghton- Including the cities of Copper Harbor, Houghton, and Hancock 646 AM EDT Fri Sep 21 2018 ...WIND ADVISORY NOW IN EFFECT UNTIL 6 PM EDT THIS EVENING... Hazardous Weather: * Strong west winds will become northwest this morning. For much of the day, expect sustained winds of 25 to 35 mph with gusts of 45 to 50 mph. The strongest winds will occur along the west shore of the Keweenaw Peninsula and also in high terrain locations. Winds will quickly diminish late this afternoon and will become light this evening. Impacts: * The strong winds will break some tree limbs and may uproot weakened trees. * Sporadic powers outages may occur. * Driving high profile vehicles will be difficult at times. Precautionary/Preparedness Actions: * A Wind Advisory means that frequent wind gusts of 45 to 57 mph are expected or occuring. * Prepare, plan, and stay informed. Visit www.weather.gov/mqt && $$ MIZ005>007-085-211900- /O.CON.KMQT.WI.Y.0002.180921T1600Z-180921T2300Z/ Marquette-Alger-Luce-Northern Schoolcraft- Including the cities of Gwinn, Marquette, Grand Marais, Munising, Newberry, and Seney 646 AM EDT Fri Sep 21 2018 ...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING... Hazardous Weather: * Plan on northwest winds to increase late this morning. During the afternoon, expect sustained winds of 25 to 35 mph with gusts of 45 to 50 mph. The strongest winds will occur along the lakeshore from Harvey east to Munising, Grand Marais and Crisp Point. Winds will quickly diminish early this evening and will become light during the night. Impacts: * The strong winds will break some tree limbs and may uproot weakened trees. * Sporadic powers outages may occur. * Driving high profile vehicles will be difficult at times, especially along M-28 where the road is exposed to winds off Lake Superior. Precautionary/Preparedness Actions: * A Wind Advisory means that frequent wind gusts of 45 to 57 mph are expected or occuring. * Prepare, plan, and stay informed. Visit www.weather.gov/mqt && $$ Rolfson
224 WWUS73 KMQT 211801 NPWMQT URGENT - WEATHER MESSAGE National Weather Service Marquette MI 201 PM EDT Fri Sep 21 2018 ...STRONG WINDS CONTINUE... MIZ006-007-220200- /O.EXT.KMQT.WI.Y.0002.000000T0000Z-180922T0200Z/ Alger-Luce- Including the cities of Grand Marais, Munising, and Newberry 201 PM EDT Fri Sep 21 2018 ...WIND ADVISORY NOW IN EFFECT UNTIL 10 PM EDT THIS EVENING... Hazardous Weather: * Sustained northwest winds of 30 to 40 mph with gusts of 45 to 55 mph will continue through much of this evening. The strongest winds will occur along the lakeshore. Winds will diminish late this evening and will become light during the night. Impacts: * The strong winds will break some tree limbs and may uproot weakened trees. * Sporadic powers outages may occur. * Driving high profile vehicles will be difficult at times, especially along M-28 where the road is exposed to winds off Lake Superior. Precautionary/Preparedness Actions: * A Wind Advisory means that frequent wind gusts of 45 to 57 mph are expected or occuring. * Prepare, plan, and stay informed. Visit www.weather.gov/mqt && $$ MIZ001-003-212200- /O.CON.KMQT.WI.Y.0002.000000T0000Z-180921T2200Z/ Keweenaw-Northern Houghton- Including the cities of Copper Harbor, Houghton, and Hancock 201 PM EDT Fri Sep 21 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING... Hazardous Weather: * Northwest winds of 25 to 35 mph with gusts of 45 to 50 mph will continue into early this evening. The strongest winds will occur along the west shore of the Keweenaw Peninsula and also in high terrain locations. Winds will quickly diminish late this afternoon and will become light this evening. Impacts: * The strong winds will break some tree limbs and may uproot weakened trees. * Sporadic powers outages may occur. * Driving high profile vehicles will be difficult at times. Precautionary/Preparedness Actions: * A Wind Advisory means that frequent wind gusts of 45 to 57 mph are expected or occuring. * Prepare, plan, and stay informed. Visit www.weather.gov/mqt && $$ MIZ005-085-212300- /O.CON.KMQT.WI.Y.0002.000000T0000Z-180921T2300Z/ Marquette-Northern Schoolcraft- Including the cities of Gwinn, Marquette, and Seney 201 PM EDT Fri Sep 21 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... Hazardous Weather: * Sustained northwest winds of 25 to 35 mph with gusts of 45 to 50 mph will continue into this evening. The strongest winds will occur along the lakeshore. Winds will diminish this evening and will become light during the night. Impacts: * The strong winds will break some tree limbs and may uproot weakened trees. * Sporadic powers outages may occur. * Driving high profile vehicles will be difficult at times, especially along M-28 where the road is exposed to winds off Lake Superior. Precautionary/Preparedness Actions: * A Wind Advisory means that frequent wind gusts of 45 to 57 mph are expected or occuring. * Prepare, plan, and stay informed. Visit www.weather.gov/mqt && $$ Titus
412 WWUS73 KMQT 211920 NPWMQT URGENT - WEATHER MESSAGE National Weather Service Marquette MI 320 PM EDT Fri Sep 21 2018 ...STRONG WINDS CONTINUE INTO THIS EVENING... ...FROST EXPECTED INLAND FROM THE GREAT LAKES TONIGHT... MIZ006-220330- /O.NEW.KMQT.FR.Y.0001.180922T0500Z-180922T1300Z/ /O.CON.KMQT.WI.Y.0002.000000T0000Z-180922T0200Z/ Alger- Including the cities of Grand Marais and Munising 320 PM EDT Fri Sep 21 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS EVENING... ...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM EDT SATURDAY... The National Weather Service in Marquette has issued a Frost Advisory, which is in effect from 1 AM to 9 AM EDT Saturday. Hazardous Weather: * Sustained northwest winds of 30 to 40 mph with gusts of 45 to 55 mph will continue through much of this evening. The strongest winds will occur along the lakeshore. Winds will diminish late this evening and will become light during the night. * Temperatures will fall into the 30s with light winds inland from the Great Lakes tonight, leading to the development of frost. Impacts: * The strong winds will break some tree limbs and may uproot weakened trees. * Sporadic powers outages may occur. * Driving high profile vehicles will be difficult at times, especially along M-28 where the road is exposed to winds off Lake Superior. * Frost and freeze conditions may damage sensitive vegetation. Take steps now to protect tender plants from the cold. Precautionary/Preparedness Actions: * A Wind Advisory means that frequent wind gusts of 45 to 57 mph are expected or occuring. * A Frost Advisory means that widespread frost is expected. * Prepare, plan, and stay informed. Visit www.weather.gov/mqt && $$ MIZ005-085-220330- /O.NEW.KMQT.FR.Y.0001.180922T0500Z-180922T1300Z/ /O.CON.KMQT.WI.Y.0002.000000T0000Z-180921T2300Z/ Marquette-Northern Schoolcraft- Including the cities of Gwinn, Marquette, and Seney 320 PM EDT Fri Sep 21 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... ...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM EDT SATURDAY... The National Weather Service in Marquette has issued a Frost Advisory, which is in effect from 1 AM to 9 AM EDT Saturday. Hazardous Weather: * Sustained northwest winds of 25 to 35 mph with gusts of 45 to 50 mph will continue into this evening. The strongest winds will occur along the lakeshore. Winds will diminish this evening and will become light during the night. * Temperatures will fall into the 30s with light winds inland from the Great Lakes tonight, leading to the development of frost. Impacts: * The strong winds will break some tree limbs and may uproot weakened trees. * Sporadic powers outages may occur. * Driving high profile vehicles will be difficult at times, especially along M-28 where the road is exposed to winds off Lake Superior. * Frost and freeze conditions may damage sensitive vegetation. Take steps now to protect tender plants from the cold. Precautionary/Preparedness Actions: * A Wind Advisory means that frequent wind gusts of 45 to 57 mph are expected or occuring. * A Frost Advisory means that widespread frost is expected. * Prepare, plan, and stay informed. Visit www.weather.gov/mqt && $$ MIZ002-004-009>014-084-220330- /O.NEW.KMQT.FR.Y.0001.180922T0500Z-180922T1300Z/ Ontonagon-Baraga-Gogebic-Iron-Dickinson-Menominee-Delta- Southern Schoolcraft-Southern Houghton- Including the cities of Ontonagon, L'Anse, Ironwood, Iron River, Iron Mountain, Menominee, Escanaba, Gladstone, Manistique, Kenton, and Sidnaw 320 PM EDT Fri Sep 21 2018 /220 PM CDT Fri Sep 21 2018/ ...FROST ADVISORY IN EFFECT FROM 1 AM EDT /MIDNIGHT CDT/ TO 9 AM EDT /8 AM CDT/ SATURDAY... The National Weather Service in Marquette has issued a Frost Advisory, which is in effect from 1 AM EDT /midnight CDT/ to 9 AM EDT /8 AM CDT/ Saturday. Hazardous Weather: * Temperatures will fall into the 30s with light winds inland from the Great Lakes tonight, leading to the development of frost. Impacts: * Frost and freeze conditions may damage sensitive vegetation. Take steps now to protect tender plants from the cold. Precautionary/Preparedness Actions: * A Frost Advisory means that widespread frost is expected. * A Frost Advisory means that widespread frost is expected. * Prepare, plan, and stay informed. Visit www.weather.gov/mqt && $$ MIZ001-003-212200- /O.CON.KMQT.WI.Y.0002.000000T0000Z-180921T2200Z/ Keweenaw-Northern Houghton- Including the cities of Copper Harbor, Houghton, and Hancock 320 PM EDT Fri Sep 21 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING... Hazardous Weather: * Northwest winds of 25 to 35 mph with gusts of 45 to 50 mph will continue into early this evening. The strongest winds will occur along the west shore of the Keweenaw Peninsula and also in high terrain locations. Winds will quickly diminish late this afternoon and will become light this evening. * Temperatures will fall into the 30s with light winds inland from the Great Lakes tonight, leading to the development of frost. Impacts: * The strong winds will break some tree limbs and may uproot weakened trees. * Sporadic powers outages may occur. * Driving high profile vehicles will be difficult at times. * Frost and freeze conditions may damage sensitive vegetation. Take steps now to protect tender plants from the cold. Precautionary/Preparedness Actions: * A Wind Advisory means that frequent wind gusts of 45 to 57 mph are expected or occuring. * A Frost Advisory means that widespread frost is expected. * Prepare, plan, and stay informed. Visit www.weather.gov/mqt && $$ MIZ007-220200- /O.CON.KMQT.WI.Y.0002.000000T0000Z-180922T0200Z/ Luce- Including the city of Newberry 320 PM EDT Fri Sep 21 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS EVENING... Hazardous Weather: * Sustained northwest winds of 30 to 40 mph with gusts of 45 to 55 mph will continue through much of this evening. The strongest winds will occur along the lakeshore. Winds will diminish late this evening and will become light during the night. * Temperatures will fall into the 30s with light winds inland from the Great Lakes tonight, leading to the development of frost. Impacts: * The strong winds will break some tree limbs and may uproot weakened trees. * Sporadic powers outages may occur. * Driving high profile vehicles will be difficult at times, especially along M-28 where the road is exposed to winds off Lake Superior. * Frost and freeze conditions may damage sensitive vegetation. Take steps now to protect tender plants from the cold. Precautionary/Preparedness Actions: * A Wind Advisory means that frequent wind gusts of 45 to 57 mph are expected or occuring. * A Frost Advisory means that widespread frost is expected. * Prepare, plan, and stay informed. Visit www.weather.gov/mqt && $$ Titus
932 WWUS73 KMQT 220058 NPWMQT URGENT - WEATHER MESSAGE National Weather Service Marquette MI 858 PM EDT Fri Sep 21 2018 ...FROST EXPECTED INLAND FROM THE GREAT LAKES TONIGHT... MIZ006-220900- /O.CON.KMQT.WI.Y.0002.000000T0000Z-180922T0200Z/ /O.CON.KMQT.FR.Y.0001.180922T0500Z-180922T1300Z/ Alger- Including the cities of Grand Marais and Munising 858 PM EDT Fri Sep 21 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS EVENING... ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM EDT SATURDAY... Hazardous Weather: * Sustained northwest winds of 20 to 20 mph with gusts of 45 mph will continue through late evening. The strongest winds will occur along the lakeshore. Winds will diminish by midnight become light during the night. * Temperatures will fall into the 30s with light winds inland from the Great Lakes tonight, leading to the development of frost. Impacts: * The strong winds will break some tree limbs and may uproot weakened trees. * Sporadic powers outages may occur. * Driving high profile vehicles will be difficult at times, especially along M-28 where the road is exposed to winds off Lake Superior. * Frost and freeze conditions may damage sensitive vegetation. Take steps now to protect tender plants from the cold. Precautionary/Preparedness Actions: * A Wind Advisory means that frequent wind gusts of 45 to 57 mph are expected or occuring. * A Frost Advisory means that widespread frost is expected. * Prepare, plan, and stay informed. Visit www.weather.gov/mqt && $$ MIZ002-004-005-009>014-084-085-220900- /O.CON.KMQT.FR.Y.0001.180922T0500Z-180922T1300Z/ Ontonagon-Baraga-Marquette-Gogebic-Iron-Dickinson-Menominee-Delta- Southern Schoolcraft-Southern Houghton-Northern Schoolcraft- Including the cities of Ontonagon, L'Anse, Gwinn, Marquette, Ironwood, Iron River, Iron Mountain, Menominee, Escanaba, Gladstone, Manistique, Kenton, Sidnaw, and Seney 858 PM EDT Fri Sep 21 2018 /758 PM CDT Fri Sep 21 2018/ ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM EDT /MIDNIGHT CDT/ TO 9 AM EDT /8 AM CDT/ SATURDAY... Hazardous Weather: * Temperatures will fall into the 30s with light winds inland from the Great Lakes tonight, leading to the development of frost. Impacts: * Frost and freeze conditions may damage sensitive vegetation. Take steps now to protect tender plants from the cold. Precautionary/Preparedness Actions: * A Frost Advisory means that widespread frost is expected. * Prepare, plan, and stay informed. Visit www.weather.gov/mqt && $$ MIZ007-220200- /O.CON.KMQT.WI.Y.0002.000000T0000Z-180922T0200Z/ Luce- Including the city of Newberry 858 PM EDT Fri Sep 21 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS EVENING... Hazardous Weather: * Sustained northwest winds of 20 to 30 mph with gusts of 45 mph will continue through late evening. The strongest winds will occur along the lakeshore. Winds will diminish by midnight and will become light during the night. * Temperatures will fall into the 30s with light winds inland from the Great Lakes tonight, leading to the development of frost. Impacts: * The strong winds will break some tree limbs and may uproot weakened trees. * Sporadic powers outages may occur. * Driving high profile vehicles will be difficult at times, especially along M-28 where the road is exposed to winds off Lake Superior. * Frost and freeze conditions may damage sensitive vegetation. Take steps now to protect tender plants from the cold. Precautionary/Preparedness Actions: * A Wind Advisory means that frequent wind gusts of 45 to 57 mph are expected or occuring. * A Frost Advisory means that widespread frost is expected. * Prepare, plan, and stay informed. Visit www.weather.gov/mqt && $$ 07
What forecasters said that day
The local office's own words before this wind advisory 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 wind advisory went out at Sep 21, 1:31 AM EDT, 2 hours 52 minutes earlier.
Area forecast discussion, Sep 21, 1:31 AM EDT, 2 hours 52 minutes before
Area Forecast Discussion
National Weather Service Marquette MI
131 AM EDT Fri Sep 21 2018
.SHORT TERM...(This evening through Friday)
Issued at 423 PM EDT THU SEP 20 2018
...Strong early fall storm with multiple hazards through Fri...
Deepening low pressure systems in the Upper Great Lakes in the fall
usually spell active weather. Next 24 hours is no exception with
mutliple hazards.
Large scale trough has shifted to northern Plains with primary sfc
low at 19z around 1000mb in northeast NE. Based on temps/dwpnts and
winds, sfc warm front stretches from low across northern IA and into
far southern WI/southern Lk MI and southern lower MI. Downright
steamy south of the front with lower 90s over lower 70s from
northern IA into northern IL. Meanwhile, Upper Michigan remains well
to the north of warm front stuck in stable low-level airmass with
stratus and expanding shield of light rain. Showers/t-storms btwn
these two distinct airmasses have been firing since this morning
over southern MN and based on latest high res models that are
initializing well, these t-storms are expected to lift from wcntrl
WI into western Upper Michigan by early this evening. Also still
watching for possible isold t-storms to develop farther east into
cntrl WI in the next few hours. Thus far think this is a low risk
since instability is nil in this area.
Thus far, all storms upstream in MN and WI are mostly rooted aloft
as they are firing on northern edge of MUCAPE gradient since the sfc
front is still well south of there. However, there still could be
risk of stronger wind gusts in stronger storms or even heavier
showers as the low-level jet overhead this evening is over 50 kts
from the SSW. At this point think bigger hazard will be heavy rain
with PWATS over 1.75 inches advecting into Upper Michigan on nose of
stronger H925-H7 moisture transport. At this point, think the system
remains progressive enough to keep flooding hazard mitigated. Issued
an SPS for western tier of Upper Michigan as don't think a flash
flood watch is needed. Could see the need for an flood advisory once
radar trends are more evident so will be more of a nowcast issue.
Later this evening or early overnight, signal that line of t-storms
crosses west to east across Upper Michigan. Already seeing start of
a broken line of t-storms southeast SD into northeast NE. Certainly
a risk that these t-storms could be strong given the shear (0-1km
shear alone is over 50 kts and oriented perpendicular to expected
line) and overall strong dynamics/strong wind fields aloft. Best
expectation for arrival in western UP is 03z with exit east of Upper
Michigan around 09z. At the least should see brief heavy downpours
and gusty winds as this line moves through.
Attn late tonight turns to synoptic effects behind the exiting low
pressure system which slides east of Lk Superior on Fri morning. NW
winds 30-40 mph on Lake Superior will spread across all of northern
Upper Michigan by Fri aftn. Strongest wind gusts will be along Lk
Superior shore. Strong winds will result in building waves on Lk
Superior and have issued a lakeshore flood advisory for Marquette
through northern Luce county. Could need another lakeshore flood
advisory for tip of Keweenaw but will let mid shift decide on that.
Otherwise, day will feature falling temps and breezy conditions
across all of Upper Michigan. Lake effect rain showers expected with
sufficient mositure to H7 and sufficient instability as lake to top
of inversion delta t/s exceed 13c.
.LONG TERM...(Friday night through Thursday)
Issued at 336 PM EDT THU SEP 20 2018
After the late week shortwave slides east with a frontal boundary
following close behind, optimal radiational cooling conditions
develop Fri ngt across the Upper Peninsula. High pressure arrives
and should erode any lingering clouds with much cooler air aloft and
light winds. Current temperature guidance suggests temps could fall
into the lower 30s across the Central/Western portions of the Upper
Peninsula, and could easily see the traditional cold spots falling
into the upper 20s before daybreak Saturday.
The mid-lvl trough mainly stays north of the area; however, a
secondary frontal boundary is just north of Superior Saturday. This
could introduce additional clouds and a slight chance for showers.
The longwave pattern begins to flatten into a quasi-zonal
orientation, which may produce a day or two in the extended with
quiet weather. Although due to the faster mid-lvl flow the ability
for systems to easily traverse the Northern CONUS will bring small
chances for showers with temps in the 60s and cool overnights in the
30s to low 40s closer to Lake Superior and Michigan.
Tue/Wed of next week will start to focus on a system expected to
develop over the Central Rockies. This system will have much cooler
air sliding south from Canada mid-week, and will eventually arrive
across the Great Lakes. While we anticipate some moderation to the
airmass by late next week, guidance has been suggesting much colder
air to arrive for a brief period late next week.
&&
.AVIATION...(For the 06Z TAFS through 06Z Friday night)
Issued at 128 AM EDT FRI SEP 21 2018
IFR conditions will continue into this morning as the rain and low
clouds move through. Look for a low-level jet with winds up to 50
kts to move out this morning at CMX and SAW which will likely cause
LLWS. Conditions will improve this afternoon. Expect gusty winds
today to 30-40kt at KSAW/KCMX, strongest at KCMX. Winds at KIWD
will gust to 30kt.
&&
.MARINE...(For the 4 PM Lake Superior forecast issuance)
Issued at 423 PM EDT THU SEP 20 2018
Through tonight low pressure currently ejecting out of the central
Plains will track across Lake Superior into early Friday morning. As
the area of low pressure deepens, expect east gales up to 45 kts,
strongest over west half between Isle Royale and Duluth. As the low
pressure system exits east of Lake Superior on Friday, winds will
shift north-northwest and produce yet another round of gales across
all of Lake Superior. Peak winds could push 45 kts Fri aftn,
strongest over eastern Lake Superior. Friday night high pressure
will gradually slide eastward, reducing wind speeds across Lake
Superior. On Saturday, expect the winds to become southwest between
20 and 30 knots as a weak low pressure system tracks across Lake
Superior. On Sunday, winds will switch around and become northeast
around 20 to 25 knots. Expect southeast winds to 30 kts Mon into Tue
over Lake Superior, strongest over the east half.
&&
.MQT WATCHES/WARNINGS/ADVISORIES...
Upper Michigan...
Lakeshore Flood Advisory from 2 PM this afternoon to 11 PM EDT
this evening for MIZ005>007.
Lake Superior...
Gale Warning until 10 PM EDT this evening for LSZ264>267.
Gale Warning until 6 PM EDT /5 PM CDT/ this evening for LSZ162-
263.
Gale Warning from 11 AM this morning to 10 PM EDT this evening
for LSZ250-251.
Gale Warning from 11 AM this morning to 8 PM EDT this evening
for LSZ242>245-248-249.
Lake Michigan...
Gale Warning until 8 PM EDT this evening for LMZ221-248-250.
&&
SHORT TERM...JLA
LONG TERM...Beachler
AVIATION...07
MARINE...JLAHazardous weather outlook, Sep 20, 3:10 PM EDT, 13 hours 13 minutes before
Hazardous Weather Outlook National Weather Service Marquette MI 310 PM EDT Thu Sep 20 2018 MIZ001>007-009>014-084-085-211915- Keweenaw-Ontonagon-Northern Houghton-Baraga-Marquette-Alger-Luce- Gogebic-Iron-Dickinson-Menominee-Delta-Southern Schoolcraft- Southern Houghton-Northern Schoolcraft- 310 PM EDT Thu Sep 20 2018 /210 PM CDT Thu Sep 20 2018/ This Hazardous Weather Outlook is for portions of western Upper Michigan and central Upper Michigan. .DAY ONE...Rest of Today and Tonight Thunderstorms, some strong, may be possible this evening. Any strong storm that develop will have the potential to contain gusty winds and heavy rainfall. In addition to the thunderstorm threat, heavy rainfall outside of thunderstorms may be possible this evening in portions of western Upper Michigan. .DAYS TWO THROUGH SEVEN...Friday through Wednesday Breezy conditions, especially for locations along the Great Lakes shorelines, will create high waves and potentially cause minor beach erosion. See current Lakeshore Flood Advisory for additional details. Areas of frost may develop in the interior sections of Upper Michigan by dawn Saturday. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to submit reports to the National Weather Service in Marquette. The public may also submit reports at our webpage, Facebook page, or on Twitter. LSZ162-240>251-263>267-211915- Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM-Saxon Harbor WI to Black River MI- Black River to Ontonagon MI- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays-Huron Islands to Marquette MI- Marquette to Munising MI-Munising to Grand Marais MI- Grand Marais to Whitefish Point MI- Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park- Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 310 PM EDT Thu Sep 20 2018 /210 PM CDT Thu Sep 20 2018/ This Hazardous Weather Outlook is for portions of Eastern Lake Superior...Central Lake Superior and Western Lake Superior. .DAY ONE...Rest of Today and Tonight Increasing winds and waves tonight with gale force winds developing for the open waters of Lake Superior. See the latest Marine Weather Message for more details. Thunderstorms containing gusty winds may be possible this evening. .DAYS TWO THROUGH SEVEN...Friday through Wednesday Breezy conditions and increased wave heights will continue into Friday. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to submit reports to the National Weather Service in Marquette. The public may also submit reports at our webpage, Facebook page, or on Twitter. LMZ221-248-250-211915- Green Bay North of line from Cedar River MI to Rock Island Passage-Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 310 PM EDT Thu Sep 20 2018 This Hazardous Weather Outlook is for portions of Northern Lake Michigan. .DAY ONE...Rest of Today and Tonight Increasing winds and waves tonight with gale force winds developing for the Bay of Green Bay. See the latest Marine Weather Message for more details. Thunderstorms containing gusty winds may be possible this evening. .DAYS TWO THROUGH SEVEN...Friday through Wednesday Breezy conditions and increased wave heights will continue into Friday. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to submit reports to the National Weather Service in Marquette. The public may also submit reports at our webpage, Facebook page, or on Twitter. Beachler
In the hours before
Local storm report, Sep 20, 10:58 PM EDT, 5 hours 25 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MARQUETTE MI
1058 PM EDT THU SEP 20 2018
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1001 PM HEAVY RAIN 6 ESE WAKEFIELD 46.44N 89.83W
09/20/2018 M1.81 INCH GOGEBIC MI MESONET
MESONET STATION WKFM4, 6 ESE WAKEFIELD.
0956 PM HEAVY RAIN 3 W ECHO LAKE 46.61N 88.91W
09/20/2018 M1.75 INCH HOUGHTON MI MESONET
MESONET STATION KTNM4, 8 N KENTON.
1031 PM HEAVY RAIN 2 WSW TWIN LAKES 46.88N 88.86W
09/20/2018 M1.73 INCH HOUGHTON MI MESONET
MESONET STATION MC008, 1 WSW TWIN LAKES.
1013 PM HEAVY RAIN 3 SSW PELKIE 46.78N 88.66W
09/20/2018 M1.70 INCH BARAGA MI MESONET
MESONET STATION PIEM4, 3 SSW PELKIE.
1019 PM HEAVY RAIN 3 NE ARNHEIM 46.95N 88.45W
09/20/2018 M1.54 INCH HOUGHTON MI MESONET
MESONET STATION MC031, 2 NE ARNHEIM.
&&
JSSLocal storm report, Sep 20, 11:04 PM EDT, 5 hours 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MARQUETTE MI
1104 PM EDT THU SEP 20 2018
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1030 PM NON-TSTM WND GST 6 ESE CHASSELL 47.00N 88.40W
09/20/2018 M38 MPH HOUGHTON MI BUOY
BUOY STATION 45025, 6 ESE CHASSELL.
1011 PM NON-TSTM WND GST HOUGHTON CO AIRPORT 47.17N 88.49W
09/20/2018 M36 MPH HOUGHTON MI ASOS
ASOS STATION CMX, HOUGHTON CO. AIRPORT.
1000 PM HIGH SUST WINDS 7 N KEWEENAW POINT 47.50N 87.70W
09/20/2018 M36 MPH LSZ244 MI BUOY
BUOY STATION WDB9821, 6 N KEWEENAW POINT.
1000 PM NON-TSTM WND GST 48 ENE ROCK OF AGES 48.22N 88.37W
09/20/2018 M36 MPH LSZ264 MI BUOY
BUOY STATION PILM4, PASSAGE ISLAND ISLE
ROYALE.
1000 PM NON-TSTM WND GST 28 ESE KEWEENAW POINT 47.18N 87.22W
09/20/2018 M36 MPH LSZ266 MI BUOY
BUOY STATION STDM4, STANNARD ROCK.
&&
JSSThe office that day
Everything else NWS Marquette, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 20, 11:01 PM EDT | Special Marine Warning | MQT | 29 min | |
| Sep 21, 4:30 AM EDT | Beach Hazards Statement | MQT | Schoolcraft | 16 hr |
| Sep 21, 3:20 PM EDT | Frost Advisory | MQT | Alger, Baraga, Delta, Dickinson, Gogebic, Houghton and 5 more | 18 hr |
| Sep 21, 4:33 PM EDT | Small Craft Advisory | MQT | 16 hr |
Nearby
Wind Advisories in Michigan, 2018Every wind advisory 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.