Area Forecast Discussion
Issued by NWS Northern Indiana

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000
FXUS63 KIWX 050433
AFDIWX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1233 AM EDT WED AUG 5 2015

.SYNOPSIS...
ISSUED AT 1225 AM EDT WED AUG 5 2015

HIGH PRESSURE WILL CONTINUE TO PROVIDE THE REGION WITH COMFORTABLE
TEMPERATURES AND DRY CONDITIONS TODAY INTO TONIGHT. HIGHS TODAY
ARE FORECAST TO TOP OUT NEAR 80 DEGREES...DROPPING BACK INTO THE
UPPER 50S AND LOW 60S LATER TONIGHT. A WEAK LOW PRESSURE SYSTEM
TRACKING THROUGH THE OHIO VALLEY MAY SPREAD SOME LIGHT RAIN INTO
AREAS MAINLY SOUTH OF HIGHWAY 24 THURSDAY. DRY OTHERWISE ON
THURSDAY WITH HIGHS RANGING BETWEEN THE MID 70S AND LOW 80S.

&&

.SHORT TERM...(THIS EVENING THROUGH WEDNESDAY)
ISSUED AT 344 PM EDT TUE AUG 4 2015

UPPER-LEVEL TROUGH THAT HAS SETTLED INTO THE AREA OVER THE LAST
SEVERAL DAYS WILL CONTINUE TO EXIT THE REGION THIS AFTERNOON AND
EVENING. IN IT`S WAKE WEAK 850HPA RIDGE BUILDS INTO THE REGION.
MOISTURE GRADIENT REMAINS SOUTH OF THE AREA SUPPRESSING CLOUDS
AND LEADING TO MOSTLY CLEAR SKIES TONIGHT. TEMPS IN THE LOW-MID
50S ACROSS CWA OVERNIGHT. FOR WEDNESDAY HIGH PRESSURE SAGS INTO
THE REGION AS 500HPA VORT MAX BEGINS TO INTERACT WITH THE LOW
CURRENTLY CENTERED OVER OKLAHOMA. AS OF NOW CLOUD COVER LOOKS TO
BE BUILDING SLIGHTLY OVER THE REGION ON WEDNESDAY IMPACTING THE
SOUTHERN CWA. TEMPS ON WEDNESDAY SHOULD STAY BELOW NORMAL WITH
HIGHS IN THE THE UPPER 70S TO LOWER 80S.

&&

.LONG TERM...(WEDNESDAY NIGHT THROUGH TUESDAY)
ISSUED AT 344 PM EDT TUE AUG 4 2015

A SHORT WAVE TROF WAS TOPING THE UPPER LEVEL RIDGE AND MOVING
INTO THE HIGH PLAINS THIS AFTERNOON. THIS SYSTEM WILL MOVE EAST
AND APPROACH THIS OHIO RIVER VALLEY WEDNESDAY NIGHT INTO THURSDAY.
THE GFS...ECMWF...NAM AND THE CANADIAN GEM HAVE TRENDED THIS
SYSTEM SOUTH WITH RECENT RUNS. GIVEN THIS TREND AND SUPPORT FROM
THE CIPS ANALOGS...AND THROUGH COORDINATION WITH NWS OFFICES...
HAVE TRENDED RAIN CHANCES DOWN WEDNESDAY NIGHT AND THURSDAY.

OTHERWISE...SOME ENERGY WILL CONTINUE TO TOP THE UPPER LEVEL RIDGE
THROUGH THE REST OF THE PERIOD. RETAINED SOME LOW SHOWER CHANCES
LATE THIS WEEK IN THIS REGARD. A STRONGER UPPER LEVEL TROF SHOULD
MOVE ACROSS THE AREA EARLY NEXT WEEK...WITH A REASONABLE CHANCE FOR
SHOWERS AND STORMS. OTHERWISE... TEMPERATURE SHOULD BE A LITTLE
BELOW NORMAL WITH THIS PATTERN WITH HIGHS GENERALLY AROUND 80 AND
LOWS 60 TO 65.

&&

.AVIATION...(FOR THE 06Z TAFS THROUGH 06Z WEDNESDAY NIGHT)
ISSUED AT 1225 AM EDT WED AUG 5 2015

SFC RIDGE WILL CONTINUE TO PROVIDE VFR/DRY CONDITIONS AND LIGHT
WINDS THROUGH THE TAF CYCLE.

&&

.IWX WATCHES/WARNINGS/ADVISORIES...
IN...NONE.
MI...NONE.
OH...NONE.
LM...NONE.
&&

$$

SYNOPSIS...STEINWEDEL
SHORT TERM...HOOK/FISHER
LONG TERM...SKIPPER
AVIATION...STEINWEDEL


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