Area Forecast Discussion
Issued by NWS Northern Indiana

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000
FXUS63 KIWX 221706
AFDIWX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORTHERN INDIANA
106 PM EDT MON SEP 22 2014

.SYNOPSIS...
ISSUED AT 316 AM EDT MON SEP 22 2014

A PLEASANT START TO FALL AS HIGH PRESSURE OVER THE CENTRAL PLAINS
BUILDS EASTWARD ACROSS THE OHIO VALLEY. THIS WILL PRODUCE MOSTLY
CLEAR AND DRY CONDITIONS. TEMPERATURES WILL MODERATE THROUGH THE
WEEK WITH HIGHS IN THE LOW 60S TODAY WARMING TO THE MID TO UPPER
70S BY FRIDAY.

&&

.UPDATE...
ISSUED AT 949 AM EDT MON SEP 22 2014

LOW CLOUDS HAVE SHIFTED SOUTH AND CLEARING IS QUCKLY UNDERWAY THIS
MORNIGN. UPDATE TO REMOVE MORNING WORDING FROM THE ZONE FORECASTS...
OTHERWISE NO CHANGES TO PREVIOUS FORECAST OR DISCUSSION.

&&

.SHORT TERM...(TODAY AND TONIGHT)
ISSUED AT 316 AM EDT MON SEP 22 2014

PLAINS SFC RIDGE WILL INTENSIFY EWD THROUGH THE SRN LAKES/OH VALLEY
THIS PD MARKING THE START OF AN EXCEPTIONAL PD OF PLEASANT WEATHER.
HWVR LL THERMAL TROUGH WILL HOLD FIRM YET TDA. COOL START AND
NEUTRAL ADVTN ALOFT WITHIN CONTD NRLY SFC GRADIENT FLW WILL SUBDUE
AFTN DIURNAL...ALTHOUGH THAT WILL NOT BE THE CASE ON TUE. CLR SKIES
AND DECOUPLING UNDERNEATH SFC RIDGE WARRANTS CUTTING MIN TEMPS SE
THIRD OVERNIGHT.

&&

.LONG TERM...(TUESDAY THROUGH SUNDAY)
ISSUED AT 316 AM EDT MON SEP 22 2014

DEEP TROUGH WILL REMAIN ANCHORED NEAR OR JUST OFF THE WEST COAST
RESULTING IN A LOT OF RIDGING ACROSS THE EASTERN HALF TO TWO THIRDS
OF THE CONUS. A WEAK DISTURBANCE ATTEMPTS TO PASS NEAR THE WESTERN
GREAT LAKES THURSDAY BUT WILL HIT A BRICK WALL AND EITHER BE SHEARED
OUT OR SHIFTED WELL NORTH OF THE AREA. THE RESULT IS A CONTINUED DRY
FORECAST WITH SUNNY TO MOSTLY SUNNY DAYS AND GENERALLY CLEAR NIGHTS.
ECMWF IS ADVERTISING A SLUG OF TROPICAL MSTR WORKING NORTH WITH A
DISTURBANCE. EVEN IF THIS COMES TO FRUITION...NO WORRIES UNTIL MAYBE
MONDAY AT THE EARLIEST.

&&

.AVIATION...(FOR THE 18Z TAFS THROUGH 18Z TUESDAY AFTERNOON)
ISSUED AT 103 PM EDT MON SEP 22 2014

HIGH PRESSURE WILL DOMINATE THE WEATHER FOR THE NEXT FORECAST
PERIOD. A FEW CU HAVE FORMED OVER LAKE MICHIGAN IN CONVERGENT
FLOW...BUT THIS CU WILL LINGER ONLY THROUGH EARLY EVENING. WITH
THE CORE OF DRIER AIR OVERSPREADING THE REGION EXPECT VFR
CONDITIONS THROUGOUT THE PERIOD.

&&

.IWX WATCHES/WARNINGS/ADVISORIES...
IN...NONE.
MI...NONE.
OH...NONE.
LM...SMALL CRAFT ADVISORY UNTIL 5 PM EDT THIS AFTERNOON FOR LMZ046.

&&

$$

UPDATE...LEWIS
SYNOPSIS...NG
SHORT TERM...T
LONG TERM...FISHER
AVIATION...LEWIS


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