Area Forecast Discussion
Issued by NWS Indianapolis, IN

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FXUS63 KIND 282234
AFDIND

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
632 PM EDT SAT MAR 28 2015

.UPDATE...
THE AVIATION SECTION HAS BEEN UPDATED BELOW.

&&

.SYNOPSIS...
ISSUED AT 320 PM EDT SAT MAR 28 2015

ARCTIC HIGH PRESSURE WILL BRING CLEAR AND COLD CONDITIONS TONIGHT.
TEMPERATURES WILL MODERATE NEXT FEW DAYS AS A STRONG UPPER TROUGH
OVER THE EASTERN U.S. MOVES ON TO THE EAST ALLOWING A MORE ZONAL
UPPER FLOW TO DEVELOP ACROSS THE NORTH AND CENTRAL U.S.

A FRONTAL SYSTEM WILL BRING A CHANCE OF RAIN SUNDAY AFTERNOON AND
EVENING.  ANOTHER FRONTAL SYSTEM WILL BRING A CHANCE OF SHOWERS AND
A FEW THUNDERSTORMS LATE WEDNESDAY NIGHT AND THURSDAY.  A LOW
PRESSURE SYSTEM AND A COLD FRONT WILL BRING CHANCE OF SHOWERS AROUND
FRIDAY.  FINALLY SATURDAY WILL BE DRY AND A LITTLE COOLER.

&&

.NEAR TERM /TONIGHT/...
ISSUED AT 320 PM EDT SAT MAR 28 2015

ARCTIC HIGH PRESSURE OVER THE SOUTHERN GREAT LAKES WILL PROVIDE
CLEAR AND COLD CONDITIONS TONIGHT AS IT MOVES TO THE SOUTHEAST.  IT
WILL BE CLEAR WITH LIGHT WINDS THROUGH FIRST HALF OF TONIGHT.
SOUTHWEST WINDS OF 5 TO 8 MPH WILL DEVELOP LATE TONIGHT AS THE
SURFACE HIGH MOVES ON TO THE EAST.  WENT CLOSE TO A MOS BLEND OF LOW
TEMPERATURES IN THE LOWER TO MIDDLE 20S MOST AREAS LATE TONIGHT. BUT
EASTERN SECTIONS MAY BE A LITTLE COLDER WITH LOWS NEAR 20.

&&

.SHORT TERM /SUNDAY THROUGH TUESDAY/...
ISSUED AT 320 PM EDT SAT MAR 28 2015

A FRONTAL SYSTEM WILL BRING A GOOD CHANCES OF RAIN SUNDAY AFTERNOON
AND EVENING.  MODELS INDICATE MOST ALL OF THE PRECIPITATION WILL
OCCUR BETWEEN 18Z AND 06Z.  OTHERWISE...REST OF THE OF THE SHORT
TERM WILL BE DRY.

MODELS MOVE AN AREA OF HIGH PRESSURE ACROSS THE OHIO VALLEY LATE
MONDAY AND LOW PRESSURE ACROSS THE SOUTHERN GREAT LAKES ON TUESDAY.

WENT WITH A MOS BLEND ON TEMPERATURES MOST PERIODS.  BUT ON SUNDAY
WENT CLOSER TO COOLER MET TEMPERATURES DUE TO CLOUDS AND
PRECIPITATION BY SUNDAY AFTERNOON.  ON TUESDAY TRENDED A LITTLE
WARMER AS MODELS INDICATE GOOD WARM ADVECTION AND MODERATE SOUTHWEST
WINDS.

&&

.LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/...
ISSUED AT 320 PM EDT SAT MAR 28 2015

DRY CONDITIONS WILL PREVAIL THROUGH WEDNESDAY WITH HIGH PRESSURE
OVER CENTRAL INDIANA. HOWEVER...THE PATTERN WILL DRASTICALLY CHANCE
BY WEDNESDAY NIGHT AS A SURFACE LOW TRACKS ACROSS ONTARIO.  ITS
ASSOCIATED FRONTAL BOUNDARIES WILL BRING RAIN CHANCES TO CENTRAL
INDIANA FROM WEDNESDAY NIGHT THROUGH FRIDAY NIGHT.  MOISTURE WILL
INCREASE AHEAD OF A WARM FRONT ON WEDNESDAY NIGHT...AND A TRAILING
COLD FRONT WILL PROVIDE ADDITIONAL FORCING LATE IN THE PERIOD.  AS
CONVECTIVE TEMPERATURES ARE REACHED ON WEDNESDAY AND THURSDAY IN THE
WARM AIR ADVECTION...ISOLATED THUNDERSTORMS WILL BE A POSSIBILITY.
IT IS TOO EARLY AT THIS TIME TO DETERMINE IF ANY STORMS WILL BECOME
SEVERE.

HIGH TEMPS WILL CLIMB INTO THE MID TO UPPER 60S ON WEDNESDAY AND
THURSDAY...AND THEN DRASTICALLY COOL OFF FOR THE END OF THE EXTENDED
PERIOD BEHIND COLD FRONT.  HIGHS ARE PROJECTED TO DROP INTO THE 40S
AND 50S BY SATURDAY.

&&

.AVIATION /DISCUSSION FOR THE 290000Z TAFS/...
ISSUED AT 632 PM EDT SAT MAR 28 2015

NO SIGNIFICANT CLOUD COVER...UNRESTRICTED VISIBILITY EXPECTED AT THE
TAF SITES TONIGHT.

LIGHT SURFACE WINDS EXPECTED TO BECOME 140-160 DEGREES AT 6-9 KTS
TOWARDS DAYBREAK SUNDAY.

&&

.IND WATCHES/WARNINGS/ADVISORIES...NONE.

&&

$$

SYNOPSIS...JH
NEAR TERM...JH
SHORT TERM...JH
LONG TERM...TDUD
AVIATION...JAS

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