799
FXUS63 KGRR 101056
AFDGRR
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
656 AM EDT FRI APR 10 2026
KEY MESSAGES
- RAIN TODAY
- EXCESSIVE RAINFALL POTENTIAL NEXT WEEK
DISCUSSION
ISSUED AT 141 AM EDT FRI APR 10 2026
- RAIN TODAY
WAVE OF LOW PRESSURE MOVING ALONG A STATIONARY FRONT WILL BRING
RAIN AND A FEW ELEVATED THUNDERSTORMS TODAY WITH QPF OF A HALF TO
THREE QUARTERS OF AN INCH ACROSS THE GRAND RIVER BASIN WHICH
COULD CAUSE RISES ON THE TRIBUTARIES AND MAINSTEM RIVERS IN THE
GRAND, MUSKEGON AND KALAMAZOO BASINS.THE RAIN MOVES OFF TO THE
SOUTHEAST THIS AFTERNOON AS SFC HIGH PRESSURE BUILDS IN.
- EXCESSIVE RAINFALL POTENTIAL NEXT WEEK
SUNDAY THROUGH THURSDAY HOLDS THE POTENTIAL FOR MORE FLOODING
RAINS AS PLAINS LOWS TRACK INTO THE GREAT LAKES. THIS IS SIMILAR
TO THE SYNOPTIC PATTERN LAST WEEK THAT BROUGHT FLOODING AND COULD
ALSO RESULT IN SEVERE WEATHER DEPENDING ON DETAILS THAT CANNOT BE
RESOLVED YET. LATEST MODEL GUIDANCE IS SUGGESTING THIS LARGE
SCALE SYNOPTIC PATTERN PERSISTS EVEN BEYOND DAY 7.
AVIATION /12Z TAFS THROUGH 12Z SATURDAY/
ISSUED AT 656 AM EDT FRI APR 10 2026
RAIN WILL BE MOVING OUT BY THIS AFTERNOON BUT MVFR AND PATCHY IFR
CONDITIONS WILL CONTINUE THROUGH THE MORNING. CONDITIONS WILL
IMPROVE TO VFR THIS AFTERNOON.
MARINE
ISSUED AT 141 AM EDT FRI APR 10 2026
A LULL IN THE STRONG WINDS AND WAVES CONTINUES UNTIL SUNDAY WHEN
SOUTH GALES ARE POSSIBLE.
GRR WATCHES/WARNINGS/ADVISORIES
MI...NONE.
MARINE...NONE.
DISCUSSION...OSTUNO
AVIATION...OSTUNO
MARINE...OSTUNO
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