Regional Meteorological Centre 

    Chennai

DISTRICT RAINFALL FORECAST FOR TAMIL NADU AND PUDUCHERRY

20.08.2019

Sub-region District Rainfall Intensity 20.08.19 21.08.19 22.08.19 23.08.19 24.08.19
TUE WED THU FRI SAT
NCTN & PDC TIRUVALLUR Intensity Light-Moderate Light-Moderate Light Light Dry
  Probability Likely Likely Likely Likely Very Likely
CHENNAI Intensity Light-Moderate Light-Moderate Light-Moderate Light-Moderate Light
  Probability Likely Likely Likely Likely Very Likely
KANCHEEPURAM Intensity Isolated heavy  Light-Moderate Light-Moderate Light Dry
  Probability Likely Likely Likely Likely Likely
VILLUPURAM Intensity Isolated heavy  Light-Moderate Light-Moderate Light Dry
  Probability Likely Likely Likely Likely Likely
PUDUCHERRY Intensity Isolated heavy  Light-Moderate Dry Dry Dry
  Probability Likely Likely Likely Very likely Likely
CUDDALORE Intensity Isolated heavy  Light-Moderate Light-Moderate Light Light
  probability Likely Likely Likely Likely Likely
NAGAPATTINAM Intensity Isolated heavy  Light-Moderate Light Dry Dry
  Probability Likely Likely Likely Likely Likely
KARAIKAL Intensity Isolated heavy  Light-Moderate Light Dry Dry
  Probability Likely Likely Likely Likely Very likely
TIRUVARUR Intensity Isolated heavy  Light-Moderate Light Dry Dry
  Probability Likely Likely Likely Very likely Very likely
THANJAVUR Intensity Light Light-Moderate Light Light Light
  Probability Likely Likely Likely Likely Likely
PUDUKKOTTAI Intensity Light-Moderate Light-Moderate Light Light Light
  Probability Likely Likely Likely Likely Likely
NITN VELLORE Intensity Isolated heavy  Light-Moderate Moderate Light Light
  Probability Likely Very Likely Likely Likely Likely
TIRUVANNAMALAI Intensity Isolated heavy  Light-Moderate Moderate Light Light
  Probability Likely Likely Likely Likely Very likely
ARIYALUR Intensity Isolated heavy  Light-Moderate Light Dry Light
  Probability  Likely Likely Likely Very likely Likely
PERAMBALUR Intensity Isolated heavy  Light-Moderate Dry Dry Light
  Probability Likely Likely Likely Very likely Likely
TRICHY Intensity Isolated heavy  Light-Moderate Light-Moderate Light Light
  Probability Likely Likely Likely Likely Very likely
KARUR Intensity Dry Light Light Light Light
  Probability Likely Likely Very Likely  Likely  Likely
NAMAKKAL Intensity Isolated heavy  Light-Moderate Light-Moderate Light Light
  Probability Likely Likely  Likely  Likely Likely
SALEM Intensity Isolated heavy  Light-Moderate Light Light Light
  Probability Likely Likely Very Likely  Likely Likely
DHARMAPURI Intensity Isolated heavy  Light-Moderate Moderate Light Light
  Probability Likely Likely Likely Very likely  Likely
KRISHNAGIRI Intensity Isolated heavy  Light-Moderate Light-Moderate Light Light
  Probability Very likely Very Likely  Likely  Likely Very likely
ERODE Intensity Light-Moderate Light-Moderate Light Light Light
  Probability Likely Very Likely  Likely  Likely  Likely
NILGIRIS Intensity Light-Moderate Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Very likely  Likely  Likely  Likely  Likely
COIMBATORE Intensity Light-Moderate Light-Moderate Light-Moderate Light-Moderate Moderate
  Probability Very likely  Likely  Likely  Likely  Likely
TIRUPPUR Intensity Moderate Light-Moderate Light-Moderate Moderate Moderate
  Probability Likely  Likely  Likely Likely  Likely
SITN THENI Intensity Dry Light-Moderate Light Moderate Light
  Probability Likely  Likely  Likely  Likely  Likely
DINDIGUL Intensity Moderate Light-Moderate Light-Moderate Moderate Moderate
  Probability Likely  Likely  Likely  Likely Very likely
MADURAI Intensity Light-Moderate Light-Moderate Light-Moderate Moderate Moderate
  Probability  Likely  Likely  Likely  Likely Very likely
VIRUDHUNAGAR Intensity Light Light Light Dry Light
  Probability Likely  Likely  Likely Likely Likely
SIVAGANGA Intensity Light-Moderate Light-Moderate Light Light Light
  Probability Light  Likely Very likely  Likely  Likely
SCTN RAMANATHAPURAM Intensity Light Light-Moderate Light Dry Light
  Probability Likely Very likely Very likely  Likely  Likely
TOOTHUKUDI Intensity Light Light Light Dry Light
  Probability Likely  Likely Very Likely  Likely  Likely
TIRUNELVELI Intensity Light Moderate Light Light Light-Moderate
  Probability Likely Likely  Likely Likely Likely
KANYAKUMARI Intensity Light Light Dry Light Light
  Probability Likely Likely  Likely Likely Likely

Legend 

Intensity of Rainfall                          
VL Very light Rainfall (0.1 to 2.4 mm)                     Warning Colour Codes
L Light rainfall (2.5-15.5 mm)   Distribution of Heavy Rainfall   Probability of Occurrence   Warning (Take Action)
M Moderate (15.6-64.4 mm)   Category % of stations   Likely 25-50   Alert (Be Prepared)
H Heavy Rainfall (64.5-115.5 mm)   ISOL 1-25   Very Likely 51-75   Watch (Be Updated)
VH Very Heavy Rainfall(115.6-204.4 mm)   SCT 26-50   Most Likely >75   No Warning (No Action)
XH Extremely Heavy Rainfall (>204 mm)                          
 

NCTN & PDC: North Coastal Tamil Nadu and Puducherry

NITN: North Interior Tamil Nadu

SCTN: South Coastal Tamil Nadu

SITN: South Interior Tamil Nadu

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