Alert archive / Michigan / Flash Flood Watches in 2017

Flash Flood Watch 1, NWS Marquette, MI

May 16, 20176 counties in Michigan

NWS Marquette, MI issued this flash flood watch at May 16, 2017, 4:26 PM EDT for 6 counties in Michigan. It took effect at May 16, 2017, 5:00 PM EDT. It was in force for 35 hr.

The area

The counties it named.

The facts

Issued
May 16, 2017, 4:26 PM EDT (20:26 UTC)
In effect from
May 16, 2017, 5:00 PM EDT
Expired
May 18, 2017, 3:30 AM EDT
In force
35 hr
Issued by
NWS Marquette, MI
Flood severity
None

Counties Baraga County, MI, Dickinson County, MI, Gogebic County, MI, Houghton County, MI, Iron County, MI, Ontonagon County, MI

The radar

The Marquette radar (KMQT), 92 km from the middle of the area, began a volume at 20:30 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 flash flood watch 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 flash flood watch went out at May 16, 4:14 PM EDT, 12 minutes earlier.

Area forecast discussion, May 16, 4:14 PM EDT, 12 minutes before
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Hazardous weather outlook, May 16, 4:19 AM EDT, 12 hours 7 minutes before
Hazardous Weather Outlook
National Weather Service Marquette MI
419 AM EDT Tue May 16 2017

MIZ001>007-009>014-084-085-171100-
Keweenaw-Ontonagon-Northern Houghton-Baraga-Marquette-Alger-Luce-
Gogebic-Iron-Dickinson-Menominee-Delta-Southern Schoolcraft-
Southern Houghton-Northern Schoolcraft-
419 AM EDT Tue May 16 2017 /319 AM CDT Tue May 16 2017/

This Hazardous Weather Outlook is for portions of western Upper
Michigan and central Upper Michigan.

.DAY ONE...Today and Tonight

Thunderstorms are expected at times today and tonight.  Isolated
severe storms, producing damaging winds and large hail, are
possible this afternoon and evening over the west half of Upper
Michigan. Heavy rainfall is possible over western Upper Michigan
this afternoon and tonight.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Thunderstorms are expected at times Wednesday into Wednesday
night.

Widespread heavy rainfall is also possible across western Upper
Michigan Wednesday afternoon and evening.

.SPOTTER INFORMATION STATEMENT...

The need for weather spotter reports is not anticipated at this
time.

LSZ162-240>251-263>267-171100-
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-
419 AM EDT Tue May 16 2017 /319 AM CDT Tue May 16 2017/

This Hazardous Weather Outlook is for portions of Eastern Lake
Superior...Central Lake Superior and Western Lake Superior.

.DAY ONE...Today and Tonight

Thunderstorms are expected at times this afternoon and tonight.
Fog will develop across western Lake Superior today and across the
rest of the lake tonight. This fog will become dense, especially
over the west half of Lake Superior.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Thunderstorms are expected at times Wednesday into Wednesday
night. Fog may be dense at times Wednesday into Wednesday night.

North to northeast gales to 35 knots are expected Wednesday night
into Thursday morning across western Lake Superior and late
Wednesday night through early Thursday afternoon across central
Lake Superior.

.SPOTTER INFORMATION STATEMENT...

The need for weather spotter reports is not anticipated at this
time.

LMZ221-248-250-171100-
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-
419 AM EDT Tue May 16 2017

This Hazardous Weather Outlook is for portions of Northern Lake
Michigan.

.DAY ONE...Today and Tonight

Thunderstorms are possible today and tonight. Fog developing over
the lake may become dense at times tonight.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Thunderstorms are expected at times Wednesday through Wednesday
night.

Dense fog is possible Wednesday into early Thursday.

.SPOTTER INFORMATION STATEMENT...

The need for weather spotter reports is not anticipated at this
time.

Voss

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 4:52 AM EDTSmall Craft AdvisoryMQT47 hr
May 16, 9:31 AM EDTGale WatchMQT7 hr
May 16, 4:06 PM EDTGale WarningMQT52 hr
May 16, 4:06 PM EDTSmall Craft AdvisoryMQT55 hr
May 16, 5:46 PM EDTSpecial Marine WarningMQT29 min
May 16, 6:26 PM EDTSpecial Weather StatementMQTLuce34 min
May 16, 7:11 PM EDTSpecial Weather StatementMQTMackinac19 min
May 16, 7:20 PM EDTSpecial Marine WarningMQT40 min

Nearby

Flash Flood Watches in Michigan, 2017Every flash flood watch in 2017

Sources

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