IWX issues Area Forecast Discussion (AFD) at Jul 25, 5:10 AM EDT231
FXUS63 KIWX 250910
AFDIWX
Area Forecast Discussion
National Weather Service Northern Indiana
510 AM EDT Thu Jul 25 2024
.KEY MESSAGES...
- Cooler, drier weather is anticipated the next couple of days
with highs in the upper 70s to low 80s then a warming trend
this weekend into next week. Chances of showers/storms also
returns on Sunday.
- Some Canadian wildfire smoke aloft may drift into the Great
Lakes region Friday and into this weekend. No air quality
concerns as of now as the smoke is expected to remain aloft.
&&
.DISCUSSION...
Issued at 353 AM EDT Thu Jul 25 2024
With yesterdays cold front now well south of the area we will
have a pretty quiet period weatherwise over the next few days.
Behind the front a bit drier air mass is now in place across the
area with dew points in the 50s through early Sunday. As higher
amplitude ridging over the central CONUS moves eastward this
weekend we will see a slight warming trend with highs only in
the upper 70s today and Friday with a more northwesterly flow
aloft. This northwesterly flow aloft may transport some Canadian
wildfire smoke southward over the area especially on Friday,
however not expecting any smoke impacts here on the ground other
than more hazy looking skies overhead.
As the ridging moves further into the region this weekend we
will see a warming trend starting Saturday into next week. Highs
on Saturday and Sunday will be in the mid 80s. A more humid
airmass will also move into the area on Sunday (dew points in
the 70s) bringing uncomfortable conditions and periods of
showers/storms starting Sunday afternoon and continuing well
into next week. High temperatures by Wednesday and Thursday of
next week highs in the upper 80s with a few locations around 90
will be possible. This coupled with the humid conditions will
make it pretty sultry around here.
&&
.AVIATION /06Z TAFS THROUGH 06Z FRIDAY/...
Issued at 104 AM EDT Thu Jul 25 2024
Surface frontal boundary has shifted south of the terminals
early this morning and focus for additional isolated showers for
the remainder of the overnight should be confined to well south
of the terminals. Good radiational cooling and lingering near
sfc moisture in post-frontal environment across northern Indiana
may be sufficient for some patchy fog formation, but best
potential for this fog appears to be south of the terminals and
especially across central Indiana. Will refrain from any fog
mention in TAFs with the 06Z issuance but KFWA may need to be
eventually considered for a mention in the 10-12Z timeframe.
Otherwise, VFR conditions to persist this period as broad
synoptic scale subsidence dominates across the Great Lakes
region for this period. North winds around 10 knots are expected
during the daytime with center of low level anticyclone from
the Upper Midwest to the western Great Lakes.
&&
.IWX WATCHES/WARNINGS/ADVISORIES...
IN...None.
OH...None.
MI...None.
MARINE...None.
&&
$$
DISCUSSION...Andersen
AVIATION...Marsili
Source:
IWX issues Area Forecast Discussion (AFD) at Jul 25, 5:10 AM EDT---------------
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