Area Forecast Discussion
Issued by NWS Marquette, MI

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FXUS63 KMQT 230813
AFDMQT

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MARQUETTE MI
413 AM EDT WED JUL 23 2014

.SHORT TERM...(TODAY AND TONIGHT)
ISSUED AT 411 AM EDT WED JUL 23 2014

CURRENTLY...THE CWA IS BENEATH A BROAD UPPER TROUGH THAT EXTENDS
FROM A LOW JUST E OF HUDSON BAY. AT THE SFC...THE CWA SITS BETWEEN A
1012MB TROUGH OVER THE LOWER GREAT LAKES AND A 1024MB HIGH CENTERED
OVER SRN MANITOBA. WITH THE SFC HIGH BECOMING INCREASINGLY DOMINANT
THROUGH TONIGHT AND NO SIGNIFICANT UPPER LEVEL ENERGY EXPECTED TO
PASS OVERHEAD...THE SHORT TERM FORECAST IS FAIRLY QUIET. FOCUSED ON
SFC MOISTURE TODAY AND MIN TEMPS TONIGHT.

ON THAT NOTE...DECENT MIXING AND AN OVERALL DRY AIRMASS WILL ALLOW
DEW PTS TO FALL INTO THE MID 40S INLAND AS TEMPS MAX OUT AROUND
70S...RESULTING IN INLAND MIN RH VALUES THIS AFTERNOON IN THE LOW TO
MID 40 PERCENT RANGE. WINDS THIS AFTERNOON WILL GENERALLY BE AROUND
10KTS /A COUPLE KTS LOWER W AND HIGHER E/ WITH GUSTS RANGING FROM
12KTS W TO 20KTS E.

WITH THE SFC HIGH CENTER MOVING INTO WI TONIGHT...WILL NOT SEE MUCH
IN THE WAY OF CLOUD COVER. WINDS WILL BE LIGHT AND THE OVERHEAD
AIRMASS FAIRLY DRY /PWATS AROUND 0.5 INCHES OR AROUND 50 PERCENT OF
NORMAL/. WENT WITH THE LOW END OF GUIDANCE FOR MIN TEMPS
TONIGHT...WHICH RESULTED IN LOW TEMPS IN THE MID 30S OVER THE
INTERIOR W AND IN THE 40S ELSEWHERE. ADDED SOME PATCHY FROST OVER
ERN GOGEBIC COUNTY WHERE TEMPS ARE FORECAST TO BE COLDEST.

.LONG TERM...(WEDNESDAY NIGHT THROUGH TUESDAY)
ISSUED AT 402 PM EDT TUE JUL 22 2014

HIGH PRESSURE RIGHT OVER THE UPPER GREAT LAKES WILL PROVIDE A QUIET
END TO THE WORK WEEK WITH TEMPERATURES WITHIN A FEW DEGREES OF
NORMAL. UPPER LOW CURRENTLY JUST OFFSHORE OF THE PACIFIC NORTHWEST
WILL MOVE ONSHORE AND ALONG THE U.S./CANADIAN BORDER OVER THE NEXT
FEW DAYS. AS THE UPPER LOW ROUNDS THE TOP OF/FLATTENS THE CENTRAL U.S. UPPER
RIDGE TOWARD THE END OF THE WEEK IT WILL DIVE INTO THE GREAT LAKES
REAMPLIFYING THE UPPER TROUGHING OVER THE EASTERN U.S.

AS THE UPPER AND SURFACE LOW MOVE OVER UPPER MICHIGAN FRIDAY NIGHT
INTO SUNDAY...EXPECT SCATTERED SHOWERS AND ISOLATED THUNDER TO
DEVELOP ACROSS THE AREA. TEMPERATURES WILL ONCE AGAIN COOL OFF TO
SIGNIFICANTLY BELOW NORMAL BY THE END OF THE WEEKEND INTO EARLY NEXT
WEEK UNDER THE COOL UPPER TROUGH ALL BUT GUARANTEEING A TOP TEN
COLDEST JULY.

PRECIPITATION CHANCES SHOULD WIND DOWN EARLY NEXT WEEK WITH THE
TROUGH AXIS JUST EAST OF THE AREA AND HIGH PRESSURE BUILDING BACK
INTO THE UPPER GREAT LAKES.
&&

.AVIATION...(FOR THE 06Z TAFS THROUGH 06Z WEDNESDAY NIGHT)
ISSUED AT 124 AM EDT WED JUL 23 2014

VFR CONDITIONS ARE EXPECTED AT ALL SITES THROUGH THE FORECAST
PERIOD...EXCEPT AT IWD WHERE SOME BR IS ONLY EXPECTED TO PERSIST FOR
FIRST COUPLE OF HOURS OF THE TAF PERIOD.
&&

.MARINE...(FOR THE 4 AM LAKE SUPERIOR FORECAST ISSUANCE)
ISSUED AT 411 AM EDT WED JUL 23 2014

AS HIGH PRESSURE MAKES ITS WAY INTO THE AREA TODAY...WINDS WILL
CONTINUE TO LIGHTEN UP. A MORE UNSETTLED PATTERN WILL MOVE INTO THE
REGION THIS WEEKEND INTO NEXT WEEK...POSSIBLY BRINGING A SERIES OF
WEAK LOWS AND TROUGHS TO THE UPPER GREAT LAKES. AT THIS TIME WINDS
ARE EXPECTED TO REMAIN BELOW 20KTS THROUGH THE FORECAST PERIOD.
&&

.MQT WATCHES/WARNINGS/ADVISORIES...
UPPER MICHIGAN...
NONE.
LAKE SUPERIOR...
NONE.
LAKE MICHIGAN...
NONE.
&&

$$

SHORT TERM...TITUS
LONG TERM...MZ
AVIATION...07
MARINE...TITUS





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