630
FXUS63 KAPX 051047
AFDAPX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GAYLORD MI
647 AM EDT WED AUG 5 2026
KEY MESSAGES
- SHOWER/ THUNDERSTORM CHANCES CONTINUE THROUGH TONIGHT,
LOCALLY HEAVY RAIN POSSIBLE.
- SEASONABLE TEMPERATURES PERSIST THROUGH THE END OF THE WEEK
WITH OCCASIONAL SHOWER CHANCES.
DISCUSSION
ISSUED AT 255 AM EDT WED AUG 5 2026
BROAD TROUGHING AND ITS ATTENDANT COLD FRONT WILL CONTINUE
MAKING SLOW PROGRESS ACROSS NORTHERN MICHIGAN THROUGH TONIGHT
INTO THURSDAY, BRINGING A FEW ROUNDS OF SHOWERS AND EMBEDDED
THUNDERSTORMS ALONG THE WAY. FOR TODAY THROUGH TONIGHT, SHOWER
COVERAGE IS EXPECTED TO STEADILY INCREASE AS DEEPER MOISTURE
SPREADS OVERHEAD AND BECOMES INCREASINGLY COUPLED WITH STRONGER
UPPER-LEVEL SUPPORT. THE BETTER FOCUS FOR MORE WIDESPREAD
SHOWERS/ THUNDERSTORMS GRADUALLY SHIFTS SOUTHEAST THROUGH THE
DAY, WITH THE HIGHEST RAINFALL TOTALS FAVORED ACROSS NORTHEAST
LOWER, PARTICULARLY TOWARD THE SAGINAW BAY REGION. LOCALIZED
HEAVIER RAINFALL REMAINS POSSIBLE WITH WPC CONTINUING TO
HIGHLIGHT MOSTLY ALL OF NORTHERN LOWER MICHIGAN FOR TODAY.
GUIDANCE ALSO CONTINUES TO FAVOR A LITTLE MORE FORWARD PROGRESS
WITH THE FRONT ON THURSDAY, ALLOWING THE BETTER SHOWER CHANCES
TO GRADUALLY EXIT SOUTHEAST THROUGH THE AFTERNOON.
LOOKING BEYOND THURSDAY, OVERALL FORECAST THINKING REMAINS
LARGELY UNCHANGED, WITH THE LARGER-SCALE TROUGH EXPECTED TO
BECOME ESTABLISHED ACROSS THE GREAT LAKES THROUGH THE WEEKEND
INTO EARLY NEXT WEEK. THIS SHOULD KEEP ANY MEANINGFUL HEAT
SUPPRESSED TO OUR SOUTH WHILE ALSO MAINTAINING PERIODIC
OPPORTUNITIES FOR SHOWERS AS SUBTLE WAVES ROTATE THROUGH THE
MEAN WEST TO NORTHWEST FLOW. THAT SAID, THERE CONTINUES TO BE
LITTLE INDICATION OF ANY PROLONGED STRETCH OF WET WEATHER, WITH
DRY PERIODS LIKELY SEPARATING ANY PASSING DISTURBANCES AND
PERHAPS COOLER TEMPERATURES AS WELL.
AVIATION /12Z TAFS THROUGH 12Z THURSDAY/
ISSUED AT 642 AM EDT WED AUG 5 2026
MVFR CONDITIONS WILL PREVAIL ACROSS THE NORTHERN MICHIGAN
TERMINALS FOR MUCH OF THE 12Z TAF VALID TIME. AN UNSETTLED DAY
IS EXPECTED WITH SCATTERED SHOWERS AND THUNDERSTORMS IN THE AREA
COURTESY OF A SLOW MOVING FRONTAL BOUNDARY. LOCAL IFR CONDTIONS
ARE POSSIBLE WITH ANY HEAVIER RAINFALL OR LATER TONIGHT AS
CLEARING TRIES TO WORK INTO THE AREA. WINDS WILL BE
LIGHT/VARIABLE FOR THE MOST PART WITH THE FRONTAL ZONE IN THE
AREA.
APX WATCHES/WARNINGS/ADVISORIES
MI...NONE.
MARINE...NONE.
DISCUSSION...NSC
AVIATION...PBB
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