DSI TREND FORECAST

"Light Rain[ -RA  VIS>=  6000]     Moderate Rain[ RA  3000<=VIS<=5000]     Heavy Rain [ +RA  VIS<3000]"

DSI TREND FORECAST
 
METAR/SPECI
   
Visibility
Present Weather
Trend Forecast
TS
No Change
TSRA
Slightly Better
900-1400 Meter
RA
Moderately Better
1500 Meter
SHRA
Much Better
1600-2900 Meter
TSRAGR
Slightly Worse
3000 Meter
VCSH (vis 8-10 KM)
Moderate Worse
VCTS (vis 8-10 KM)
Much Worse
5000 Meter
   
6 KM - 7 KM
   
8 KM to More than 10 KM