FORECAST CATEGORY [IMD LEGEND]
1. WIDE SPREAD (most places) 76 - 100 %
2. FAIRLY WIDE SPREAD (few many places) 51 - 75%
3. SCATTERED (few places) 26 - 50%
4. ISOLATED (one or two places) 01 - 25%
24 HOURS accumulated rain means rainfall accounted from 0830 hrs IST of today to 0830 hrs IST of tomorrow. That is rainfall ending at 0830 hrs IST [03Z] of date.
The rainfall is reported in mm correct to first decimal. Standard raingauge in India is Fibre glass reinforced Polyester type raingauge of diameter=159.6mm [collector area =200 sq.cm] with relevant measure glass 20mm
[a] heavy rainfall ::::::::::::::: Greater than or equal to 65.0 mm
[b] very heavy rainfall :::::::::::Greater than or equal to 125.0 mm
[3] extremely heavy ::::::::::::: Greater than or equal to 250.0 mm
1. WIDE SPREAD (most places) 76 - 100 %
2. FAIRLY WIDE SPREAD (few many places) 51 - 75%
3. SCATTERED (few places) 26 - 50%
4. ISOLATED (one or two places) 01 - 25%
24 HOURS accumulated rain means rainfall accounted from 0830 hrs IST of today to 0830 hrs IST of tomorrow. That is rainfall ending at 0830 hrs IST [03Z] of date.
The rainfall is reported in mm correct to first decimal. Standard raingauge in India is Fibre glass reinforced Polyester type raingauge of diameter=159.6mm [collector area =200 sq.cm] with relevant measure glass 20mm
[a] heavy rainfall ::::::::::::::: Greater than or equal to 65.0 mm
[b] very heavy rainfall :::::::::::Greater than or equal to 125.0 mm
[3] extremely heavy ::::::::::::: Greater than or equal to 250.0 mm
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