646  
FNUS73 KIND 201628  
FWSIND  
 
SPOT FORECAST FOR RX FIRE...PURDUE UNIVERSITY  
NATIONAL WEATHER SERVICE INDIANAPOLIS IN  
1228 PM EDT FRI APR 20 2018  
 
FORECAST IS BASED ON IGNITION TIME OF 1300 EDT ON APRIL 20.  
   
DISCUSSION
 
 
CLEAR...DRY WEATHER IS EXPECTED TODAY AND THROUGH THE WEEKEND  
AS THE REGION RESIDES UNDER THE INFLUENCE OF HIGH PRESSURE.  
MINIMUM RELATIVE HUMIDITIES WILL BE NEAR 25% THIS AFTERNOON  
WITH NORTHEAST WINDS LESS THAN 10KTS.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
MAX TEMPERATURE.....AROUND 60.  
MIN HUMIDITY........26 PERCENT.  
EYE LEVEL WINDS.....NORTHEAST WINDS 5 TO 6 MPH.  
WIND (20 FT)........NORTHEAST WINDS 5 TO 6 MPH.  
MIXING HEIGHT.......4200-5300 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 8 TO 13 MPH.  
SMOKE DISPERSAL.....FAIR TO GOOD (29800-50200 KNOT-FT).  
 
TIME (EDT) 1 PM 3 PM 5 PM 7 PM  
SKY (%).........2 3 2 4  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE  
TSTM COV........  
TEMP............50 55 60 56  
RH..............37 30 26 32  
20 FT WIND......NE 5 NE 6 NE 6 NE 6  
20 FT WIND GUST.6 7 7 7  
EYE LEVEL WIND..NE 4 NE 4 NE 4 NE 4  
EYE LVL WND GST.5 5 5 5  
MIX HGT (FT)....4400 5200 5200 4200  
TRANSPORT WIND..NE 13 NE 10 NE 8 NE 8  
SDSPL KT-FT/100050 46 36 30  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (50-60 PERCENT). AREAS OF FROST  
AFTER MIDNIGHT.  
MIN TEMPERATURE.....AROUND 35.  
MAX HUMIDITY........85 PERCENT.  
EYE LEVEL WINDS.....NORTHEAST WINDS AROUND 5 MPH IN THE EVENING  
BECOMING LIGHT, THEN BECOMING NORTHEAST AROUND  
5 MPH AFTER MIDNIGHT BECOMING LIGHT.  
WIND (20 FT)........NORTHEAST WINDS AROUND 5 MPH IN THE EVENING  
BECOMING LIGHT, THEN BECOMING NORTHEAST AROUND  
5 MPH AFTER MIDNIGHT BECOMING LIGHT.  
MIXING HEIGHT.......2200-3300 FT AGL DECREASING TO 0-1100 FT AGL.  
TRANSPORT WINDS.....EAST 3 TO 8 MPH.  
SMOKE DISPERSAL.....POOR TO FAIR (0-23300 KNOT-FT).  
 
TIME (EDT) 8 PM 10 PM MIDNGT 2 AM 4 AM 6 AM  
SKY (%).........2 2 5 12 29 47  
WEATHER COV..... AREAS AREAS  
WEATHER TYPE....NONE NONE NONE NONE FROST FROST  
TSTM COV........  
TEMP............54 47 41 38 36 35  
RH..............36 47 65 73 79 85  
20 FT WIND......NE 5 NE 4 NE 4 NE 5 NE 4 NE 4  
20 FT WIND GUST.6 6 6 6 6 6  
EYE LEVEL WIND..NE 4 NE 3 NE 3 NE 4 NE 3 NE 3  
EYE LVL WND GST.5 4 4 5 4 4  
MIX HGT (FT)....3300 1100 BLW100 100 100 BLW100  
TRANSPORT WIND..NE 8 NE 5 NE 3 NE 5 NE 5 E 3  
SDSPL KT-FT/100023 4 0 1 1 0  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT).  
MAX TEMPERATURE.....AROUND 60.  
MIN HUMIDITY........39 PERCENT.  
EYE LEVEL WINDS.....LIGHT WINDS BECOMING EAST 5 TO 8 MPH.  
WIND (20 FT)........LIGHT WINDS BECOMING EAST 5 TO 8 MPH.  
MIXING HEIGHT.......200-1900 FT AGL INCREASING TO 2700-4000 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 3 TO 10 MPH SHIFTING TO THE EAST 10  
TO 15 MPH.  
SMOKE DISPERSAL.....POOR TO GOOD (500-40000 KNOT-FT).  
 
TIME (EDT) 8 AM 10 AM NOON 2 PM 4 PM 6 PM  
SKY (%).........65 66 67 67 69 73  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
TEMP............38 48 55 57 59 58  
RH..............76 56 45 42 39 40  
20 FT WIND......E 3 SE 4 SE 5 E 6 E 6 E 7  
20 FT WIND GUST.4 6 6 7 10 10  
EYE LEVEL WIND..E 2 SE 3 SE 4 E 4 E 4 E 5  
EYE LVL WND GST.3 4 5 5 7 8  
MIX HGT (FT)....200 1900 3400 3900 3900 3300  
TRANSPORT WIND..E 3 SE 10 SE 14 E 10 E 10 E 14  
SDSPL KT-FT/10001 18 40 35 36 38  
 

 
FORECASTER...RYAN  
REQUESTED BY...JARRED BROOKE  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1807197.0/IND  
 
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