753
FXUS63 KGRR 131801
AFDGRR
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
201 PM EDT SAT SEP 13 2025
KEY MESSAGES
- MOSTLY DRY PATTERN CONTINUES
DISCUSSION
ISSUED AT 201 AM EDT SAT SEP 13 2025
- MOSTLY DRY PATTERN CONTINUES
AREA OF SHOWERS AND THUNDERSTORMS ACROSS WISCONSIN WILL BE MOVING
SOUTHEAST THIS MORNING AND GRADUALLY DISSIPATING AS THE LOW LEVEL
JET WEAKENS. BEST CHANCE FOR RAIN WILL BE ACROSS THE SOUTHEAST
ZONES. ISOLATED SHOWERS PERSIST INTO THE AFTERNOON ACROSS THE
SOUTHERN HALF OF THE FORECAST AREA AS ENOUGH INSTABILITY DEVELOPS
AND LOW LEVEL MOISTURE PERSISTS FOR SOME UPDRAFTS.
SURFACE HIGH BUILDS SOUTH WITH DRY EAST TO NORTHEAST FLOW TONIGHT
AND UPPER RIDGING SHOULD HOLD OFF ANY PRECIP UNTIL AT LEAST THE
MIDDLE OF NEXT WEEK WHEN MOISTURE RETURN INCREASES AS THE HIGH
MOVES EAST.
AVIATION /18Z TAFS THROUGH 18Z SUNDAY/
ISSUED AT 201 PM EDT SAT SEP 13 2025
THE CHANCE OF RAIN HAS MORE OR LESS ENDED, AND ALL THAT REMAIN ARE
PATCHY VFR CLOUD DECKS. VFR IS LIKELY THROUGH TONIGHT WITH LIGHT
WINDS.
MARINE
ISSUED AT 201 AM EDT SAT SEP 13 2025
WINDS AND WAVES WILL REMAIN RELATIVELY LIGHT THROUGH EARLY NEXT
WEEK. THERE IS A SLIGHT CHANCE OF A THUNDERSTORM THIS MORNING .
GRR WATCHES/WARNINGS/ADVISORIES
MI...NONE.
MARINE...NONE.
DISCUSSION...OSTUNO
AVIATION...CAS
MARINE...OSTUNO
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