IWX issues Area Forecast Discussion (AFD) at Nov 11, 7:07 AM EST
329
FXUS63 KIWX 111207
AFDIWX
Area Forecast Discussion
National Weather Service Northern Indiana
707 AM EST Tue Nov 11 2025
.KEY MESSAGES...
- There is a chance for flurries today but no accumulation or
impacts are expected.
- Otherwise dry conditions persist through Friday with slowly
warming temperatures.
- Temperatures return to the 60s over the weekend with a chance
for rain.
&&
.DISCUSSION...
Issued at 312 AM EST Tue Nov 11 2025
Low level winds have now fully backed westerly, reducing fetch with
crashing inversion heights and increasing dry air entrainment. Lake
effect band is rapidly weakening and shifting east as a result.
Snowfall reports have been scarce overnight but reports thus far
substantiate forecast of 3-6" in our NW counties. Snow has ended in
the western tier of counties for several hours now and eastern areas
likely received less overall snow. With snow band now exiting, will
go ahead and cancel the advisory by 4am.
A pair of shortwaves will ripple through the region today and
tonight. The first will send a weak warm front through the area.
Some minor isentropic ascent could support flurries at times today
but overall profile is very dry and stable with limited mid/upper
level support for ascent. Do not anticipate any accumulation or
impacts. Highs climb into the mid/upper 30s today and don't drop
much tonight with the passing warm front. When the second wave
passes to our NE late tonight, temps will actually be warm enough
for just rain. Here again though precip chances are severely limited
by poor forcing and residual dry air. Maintained slight chance in
our far NE but most locations will remain dry. Quiet weather is
expected the rest of the week with slowly moderating temperatures.
Another warm front will lift through the region Friday
night/Saturday and this could touch off a few isolated, light
showers. Better chances for rain occur with the associated cold
frontal passage later Sunday into Monday but models still show a
very large spread with evolving pattern early next week and
confidence in details is very low. Do still expect a period of 60s
over the weekend though.
&&
.AVIATION /12Z TAFS THROUGH 12Z WEDNESDAY/...
Issued at 646 AM EST Tue Nov 11 2025
VFR conditions are expected at the terminals this period, with
mainly increasing high-mid level clouds thanks to an advancing
warm front and isentropic ascent. There could be a few light
snow showers or flurries with this, but don't expect anything
impactful. WSW winds shift S-SW through the period, with gusts
up to around 25 knots by the afternoon. Some LLWS is possible
this evening for both terminals (45-50knots).
&&
.IWX WATCHES/WARNINGS/ADVISORIES...
IN...None.
OH...None.
MI...None.
MARINE...Small Craft Advisory until 10 AM EST Thursday for LMZ043-046.
&&
$$
DISCUSSION...AGD
AVIATION...MCD
Source: IWX issues Area Forecast Discussion (AFD) at Nov 11, 7:07 AM EST (https://mesonet.agron.iastate.edu/p.php?pid=202511111207-KIWX-FXUS63-AFDIWX)
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