Area Forecast Discussion
Issued by NWS Northern Indiana

Home | Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

FXUS63 KIWX 291038

Area Forecast Discussion
National Weather Service Northern Indiana
638 AM EDT Wed Mar 29 2017

Issued at 502 AM EDT Wed Mar 29 2017

A vigorous upper level system will spread showers and storms
across the area Thursday and Thursday night. Some strong to
locally severe storms are possible. Rainfall amounts should total
an inch by late Friday. Highs the rest of the week will be mainly
in the 50s and 60s with lows in the 30s and 40s.


.SHORT TERM...(Today through Friday)
Issued at 502 AM EDT Wed Mar 29 2017

A potent upper level system over the Texas Panhandle this morning
will track out of the Southern Plains today and move into the
Ohio Valley Region Thursday. A TROWAL associated with system will
move across the area Thursday afternoon followed by a secondary
TROWAL Thursday night. These features and will help enhance
rainfall amounts. Precipitable water values should approach
climatological maxes of 1.25 for this time of year. Expect most
rainfall amounts between 0.75 and 1.25 inches. Concern for any
storms Thursday afternoon into the evening becoming surface based.
Increased thunder chances near the front, especially south of
Highway 30. An isolated severe storm is possible from Marion to
Portland. south of the area. Lingering rain will diminish Friday
as high pressure builds across the area.


.LONG TERM...(Friday night through Tuesday)
Issued at 502 AM EDT Wed Mar 29 2017

There will be a break in the rain this weekend before another in
a series of upper level systems moves across the area. More rain
is likely early next week. Highs should be around 60 degrees.


.AVIATION...(For the 12Z TAFS through 12Z Thursday Morning)
Issued at 634 AM EDT Wed Mar 29 2017

BR and strato cu has mostly cleared out of the area early this
morning as drier air advects in from the ne. Still some patchy
strato cu upstream of FWA which could result in brief period of mvfr
ceilings this morning. Otrws vfr conditions are expected through the
taf period. Approaching low from the srn plains will cause
cirrostratus grdly lowering this aftn/tonight along with
increasing easterly winds. Showers could move in late tonight, but
for now chances too low to mention in tafs. Expect flight
conditions to deteriorate Thursday.




SHORT TERM...Skipper
LONG TERM...Skipper

Visit us at

Follow us on Facebook...Twitter...and YouTube at: is the U.S. government's official web portal to all federal, state and local government web resources and services.