182  
FXUS63 KIWX 281031  
AFDIWX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE NORTHERN INDIANA  
631 AM EDT TUE MAR 28 2017  
   
SYNOPSIS
 
 
ISSUED AT 430 AM EDT TUE MAR 28 2017  
 
THERE WILL BE A BREAK IN THE RAIN LATER TODAY, BUT RAIN WILL  
RETURN THURSDAY AND CONTINUE INTO FRIDAY AS A LARGE UPPER LEVEL  
SYSTEM MOVES INTO THE AREA. RAINFALL AMOUNTS SHOULD RANGE FROM  
HALF AN INCH TO OVER AN IN BY LATE FRIDAY. HIGHS THE REST OF THE  
WEEK WILL BE MAINLY IN THE 50S WITH LOWS IN THE 30S AND 40S.  
 

 
   
SHORT TERM
 
(TODAY THROUGH WEDNESDAY)  
ISSUED AT 429 AM EDT TUE MAR 28 2017  
 
AN UPPER LEVEL SYSTEM CENTERED OVER SOUTHERN OHIO THIS MORNING  
WILL MOVE EAST TODAY. THE DEFORMATION ZONE ASSOCIATED WITH THIS  
SYSTEM WILL ALSO MOVE EAST AS COLDER AIR SPREADS BACK OVER THE  
AREA. RAIN WILL END EARLY TODAY OVER SOUTHEAST AREAS FOLLOWED BY  
CLEARING TONIGHT. LINGERING CLOUD COVER TODAY WITH CHILLY AIR WILL  
HOLD HIGHS TODAY IN THE LOW TO MID 50S. CLEARING TONIGHT WILL  
ALLOW TEMPERATURES TO DROP INTO THE 30S OVER ALL AREAS, WITH LOWS  
NEAR FREEZING OVER FAR SOUTHERN LOWER MICHIGAN.  
 

 
   
LONG TERM
 
(WEDNESDAY NIGHT THROUGH MONDAY)  
ISSUED AT 429 AM EDT TUE MAR 28 2017  
 
AN UPPER LEVEL SYSTEM WILL TRACK OUT OF THE SOUTHERN PLAINS  
WEDNESDAY AND MOVE INTO THE OHIO VALLEY REGION THURSDAY. A TROWAL  
ASSOCIATED WITH SYSTEM WILL MOVE ACROSS THE AREA THURSDAY AFTERNOON  
AND WILL HELP ENHANCE RAINFALL AMOUNTS. PRECIPITABLE WATER VALUES  
SHOULD CLIMB TO NEAR CLIMATOLOGICAL MAXES OF 1.25 FOR THIS TIME OF  
YEAR. EXPECT RAINFALL AMOUNTS FROM 0.50 TO 1.25 INCHES. LEFT THUNDER  
OUT FOR NOW; HOWEVER, SOME MAINLY ELEVATED STORMS ARE POSSIBLE SOUTH  
OF HIGHWAY 30. SEVERE WEATHER SHOULD STAY SOUTH OF THE AREA. LINGERING  
RAIN IS POSSIBLE FRIDAY; HOWEVER, HIGH PRESSURE WILL BUILD ACROSS  
THE AREA THIS WEEKEND WITH DRY CONDITIONS AND HIGHS MAINLY IN THE  
50S.  
 

 
   
AVIATION
 
(FOR THE 12Z TAFS THROUGH 12Z WEDNESDAY MORNING)  
ISSUED AT 625 AM EDT TUE MAR 28 2017  
 
THE RAIN SHIELD HAS MOVED EAST OF IN WITH SOME BRIEF CLEARING  
NOTED EARLIER AT KSBN. CIGS WILL LOWER TO IFR AROUND 17Z AT KSBN  
BEFORE RISING TO MVFR AROUND 00Z. EXPECT MVFR CIGS AT KFWA THEN  
VFR AFTER 04Z. WINDS WILL GENERALLY BE FROM THE NORTH NORTHEAST  
BETWEEN 5 AND 10 KTS.  
 

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

 
 

 
 
SYNOPSIS...SKIPPER  
SHORT TERM...SKIPPER  
LONG TERM...SKIPPER  
AVIATION...FRAZIER  
 
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