077
FXUS63 KIWX 201901
AFDIWX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORTHERN INDIANA
201 PM EST THU FEB 20 2025
KEY MESSAGES
* LAKE EFFECT SNOW SHOWER ACTIVITY WINDS DOWN TONIGHT.
* DRY AND TRENDING WARMER THIS WEEKEND INTO EARLY NEXT WEEK.
DISCUSSION
ISSUED AT 200 PM EST THU FEB 20 2025
LES SHOULD CONTINUE TO WEAKEN AND TAKE ON A MORE CELLULAR MULTI-
BANDED LOOK INTO THE LATE AFTERNOON AND EVENING FOR OUR NORTHWEST
FLOW SNOW BELTS. CLOUD LAYER SHOULD GENERALLY REMAIN WITHIN THE DGZ
INTO TONIGHT WITH ADDITIONAL LIGHT FLUFFY ACCUMS AND MINOR
ADDITIONAL TRAVEL IMPACTS. WARMING/DRYING ALOFT AS HEIGHTS
RECOVERY ALOFT SHOULD ALLOW THIS ACTIVITY TO DWINDLE OVERNIGHT.
DRY CONDITIONS AND A WELCOMED WARMING TREND IS IN STORE THEN INTO
THIS WEEKEND AND EARLY NEXT AS RETURN LOW LEVEL SOUTHWEST FLOW
DEVELOPS UNDER A FLATTENED FLOW REGIME ALOFT. A FEW SHORTWAVES
EVENTUALLY TAKE AIM ON THE AREA AROUND MONDAY NIGHT-TUESDAY, AND
AGAIN TOWARD THE END OF THE WEEK WITH LOW CHANCES FOR PRECIPITATION.
THE LATE WEEK SYSTEM APPEARS TO HAVE THE GREATER POTENTIAL FOR RAIN
AND/OR SNOW AS THE BULK OF GUIDANCE SHOWS A MORE AMPLIFIED WAVE AND
DEVELOPING SFC REFLECTION. TEMPERATURES GENERALLY AVERAGE ABOVE
NORMAL OTHERWISE NEXT WEEK.
AVIATION /18Z TAFS THROUGH 18Z FRIDAY/
ISSUED AT 1224 PM EST THU FEB 20 2025
LAKE EFFECT SNOW THIS MORNING LOOKS TO CONTINUE INTO TONIGHT,
BUT WILL BEGIN TO WANE LATE AFTERNOON INTO THE EVENING BEFORE
DISSIPATING AFTER MIDNIGHT. WILL CONTINUE TO KEEP CIGS IN MVFR,
BUT CAN SEE SOME IFR/LIFR VISBY WORK IN WITH THE SMALLER FLAKE
SIZE ESPECIALLY AS THE HEAVIER SNOW BAND SWINGS BACK INTO SBN
AROUND 00 OR 01Z AND FOR A FEW HOURS. STILL EXPECTING WEST
NORTHWEST WINDS THAT ARE EXPECTED TO GUST BETWEEN 20 AND 25 KTS
THIS AFTERNOON.
IWX WATCHES/WARNINGS/ADVISORIES
IN...WINTER WEATHER ADVISORY UNTIL 1 AM EST /MIDNIGHT CST/ FRIDAY
FOR INZ005-103-104-204.
OH...NONE.
MI...WINTER WEATHER ADVISORY UNTIL 1 AM EST FRIDAY FOR MIZ078-177-
277.
MARINE...SMALL CRAFT ADVISORY UNTIL 4 AM EST FRIDAY FOR LMZ043-046.
DISCUSSION...STEINWEDEL
AVIATION...ROLLER
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