Hazardous Weather Outlook
Issued by NWS Detroit/Pontiac, MI

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FLUS43 KDTX 270834
HWODTX

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
434 AM EDT SUN JUL 27 2014

MIZ047>049-053>055-060>063-068>070-075-076-082-083-280900-
MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-SHIAWASSEE-GENESEE-LAPEER-
ST. CLAIR-LIVINGSTON-OAKLAND-MACOMB-WASHTENAW-WAYNE-LENAWEE-MONROE-
434 AM EDT SUN JUL 27 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST
MICHIGAN.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS WILL LIKELY DEVELOP ACROSS SOUTHEAST MICHIGAN TODAY
AS A LOW PRESSURE SYSTEM AND STRONG COLD FRONT DROP ACROSS LOWER
MICHIGAN. THERE IS A CHANCE THESE STORMS COULD BECOME
SEVERE...ESPECIALLY BETWEEN NOON AND 800 PM. THE BETTER POTENTIAL
FOR SEVERE WEATHER WILL BE LOCATED ALONG AND SOUTH OF THE I-69
CORRIDOR...HOWEVER ALL OF SOUTHEAST MICHIGAN WILL BE UNDER THE
THREAT FOR AT LEAST AN ISOLATED SEVERE STORM. THE MAIN THREAT FROM
STORMS TODAY WILL BE LARGE HAIL UP TO THE SIZE OF GOLF BALLS AND
DAMAGING WIND GUSTS TO 60 MPH. STORMS WILL ALSO BE CAPABLE OF
PRODUCING FREQUENT LIGHTNING AND VERY HEAVY DOWNPOURS. WHILE THE
THREAT FOR SEVERE WEATHER WILL END DURING THE EVENING...HEAVY RAIN
WILL REMAIN POSSIBLE INTO THE EARLY OVERNIGHT HOURS. THIS COULD
PRODUCE SOME AREAS OF LOCALIZED FLOODING...ESPECIALLY IN LOW-LYING
OR FLOOD-PRONE AREAS. STORM MOTION WILL BE FROM SOUTHWEST TO
NORTHEAST AROUND 20 MPH...HOWEVER LINES OF STORMS THAT DEVELOP
WILL BE CAPABLE OF ATTAINING FASTER SPEEDS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

DANGEROUS RIP CURRENTS AND LARGE WAVES ARE EXPECTED ALONG THE SHORELINE
OF LAKE HURON MONDAY AS NORTHERLY WINDS INCREASE BEHIND A STRONG
COLD FRONT.

ALTHOUGH COOLER AND LESS HUMID WEATHER IS EXPECTED THIS UPCOMING
WEEK...ENOUGH INSTABILITY SHOULD BUILD EACH DAY FOR A CHANCE OF
THUNDERSTORMS TUESDAY THROUGH FRIDAY.

.SPOTTER INFORMATION STATEMENT...

DISPATCHERS...PLEASE NOTIFY YOUR EMERGENCY MANAGER IMMEDIATELY.
SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING.

$$

LCZ422-423-460-LEZ444-LHZ421-422-441>443-462>464-280900-
ST. CLAIR RIVER-DETROIT RIVER-LAKE ST. CLAIR-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER SAGINAW
BAY-INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
PORT AUSTIN TO HARBOR BEACH MI-HARBOR BEACH TO PORT SANILAC MI-
PORT SANILAC TO PORT HURON MI-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
434 AM EDT SUN JUL 27 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE ERIE...LAKE
HURON AND LAKE ST CLAIR.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS WILL LIKELY DEVELOP ACROSS THE SOUTHERN AND CENTRAL
GREAT LAKES TODAY AS A LOW PRESSURE SYSTEM AND STRONG COLD FRONT
DROP ACROSS LOWER MICHIGAN. THERE IS A CHANCE THESE STORMS COULD
BECOME SEVERE...ESPECIALLY BETWEEN NOON AND 800 PM. THE MAIN
THREAT FROM STORMS TODAY WILL BE LARGE HAIL UP TO THE SIZE OF GOLF
BALLS AND DAMAGING WIND GUSTS TO 50 KNOTS. STORMS WILL ALSO BE CAPABLE
OF PRODUCING FREQUENT LIGHTNING AND VERY HEAVY DOWNPOURS. STORM
MOTION WILL BE FROM SOUTHWEST TO NORTHEAST AROUND 20 KNOTS...HOWEVER
LINES OF STORMS THAT DEVELOP WILL BE CAPABLE OF ATTAINING FASTER
SPEEDS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

A SMALL CRAFT ADVISORY IS IN EFFECT FOR THE NEARSHORE WATERS OF
LAKE HURON...INCLUDING ALL OF SAGINAW BAY...FROM EARLY MONDAY
MORNING THROUGH MONDAY EVENING. PLEASE SEE THE LATEST MARINE
WEATHER MESSAGE OR NEARSHORE MARINE FORECAST FOR DETAILS.
DANGEROUS RIP CURRENTS AND LARGE WAVES CAN ALSO BE EXPECTED ALONG
THE LAKE HURON SHORELINE DURING THIS TIME.

ALTHOUGH COOLER AND LESS HUMID WEATHER IS EXPECTED THIS UPCOMING WEEK...ENOUGH
INSTABILITY SHOULD BUILD EACH DAY FOR A CHANCE OF THUNDERSTORMS TUESDAY
THROUGH FRIDAY.

.SPOTTER INFORMATION STATEMENT...

DISPATCHERS...PLEASE NOTIFY YOUR EMERGENCY MANAGER IMMEDIATELY.
SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING.

$$

LHZ361>363-280900-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND 5NM
OFF SHORE-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF SHORE-
434 AM EDT SUN JUL 27 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE HURON.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS WILL LIKELY DEVELOP ACROSS THE CENTRAL GREAT LAKES
TODAY AS A LOW PRESSURE SYSTEM AND STRONG COLD FRONT DROP ACROSS MICHIGAN.
WHILE WIDESPREAD SEVERE WEATHER IS NOT EXPECTED...AN ISOLATED
SEVERE STORM COULD PRODUCE LARGE HAIL UP THE SIZE OF GOLF BALLS
AND WIND GUSTS TO 50 KNOTS. THE BEST TIME-FRAME FOR SEVERE WEATHER
OVER NORTHERN AND CENTRAL LAKE HURON WILL BE BETWEEN 1000 AM AND
500 PM. STORM MOTION WILL BE FROM SOUTHWEST TO NORTHEAST AROUND 20
KNOTS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

ALTHOUGH COOLER AND LESS HUMID WEATHER IS EXPECTED THIS UPCOMING WEEK...ENOUGH
INSTABILITY SHOULD BUILD EACH DAY FOR A CHANCE OF THUNDERSTORMS TUESDAY
THROUGH FRIDAY.

.SPOTTER INFORMATION STATEMENT...

DISPATCHERS...PLEASE NOTIFY YOUR EMERGENCY MANAGER IMMEDIATELY.
SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING.

$$

HLO

YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS ONLINE
AT WWW.WEATHER.GOV/DETROIT (ALL LOWER CASE).



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