Regional Meteorological Centre, Chennai

DISTRICT RAINFALL FORECAST FOR TAMIL NADU AND PUDUCHERRY

21-10-2020

Sub-region NAME OF THE DISTRICT RAINFALL  INTENSITY 21-10-2020 22-10-2020 23-10-2020 24-10-2020 25-10-2020
WED THU FRI SAT SUN
NCTN & PDC TIRUVALLUR Intensity Isolated heavy  Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
CHENNAI Intensity Light-Moderate Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
KANCHEEPURAM Intensity Light-Moderate Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
VILLUPURAM Intensity Light-Moderate Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
PUDUCHERRY Intensity Light-Moderate Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
CUDDALORE Intensity Light-Moderate Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  probability Likely Likely Likely Likely Likely
NAGAPATTINAM Intensity Light-Moderate Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
KARAIKAL Intensity Light-Moderate Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
TIRUVARUR Intensity Light-Moderate Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
THANJAVUR Intensity Light-Moderate Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
PUDUKKOTTAI Intensity Light-Moderate Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
NITN VELLORE Intensity Isolated heavy  Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
TIRUVANNAMALAI Intensity Light-Moderate Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
ARIYALUR Intensity Light-Moderate Dry Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
PERAMBALUR Intensity Light-Moderate Dry Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
TRICHY Intensity Light-Moderate Dry Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
KARUR Intensity Light-Moderate Dry Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
NAMAKKAL Intensity Light-Moderate Dry Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
SALEM Intensity Isolated heavy  Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
DHARMAPURI Intensity Isolated heavy  Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
KRISHNAGIRI Intensity Light-Moderate Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
ERODE Intensity Light-Moderate Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
NILGIRIS Intensity Light-Moderate Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
COIMBATORE Intensity Light-Moderate Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
TIRUPPUR Intensity Light-Moderate Dry Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
SITN THENI Intensity Light-Moderate Dry Dry Dry Dry
  Probability Likely Likely Very likely Very likely Very likely
DINDIGUL Intensity Light-Moderate Dry Dry Dry Dry
  Probability Likely Likely Very likely Very likely Very likely
MADURAI Intensity Light-Moderate Dry Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
VIRUDHUNAGAR Intensity Light-Moderate Dry Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
SIVAGANGA Intensity Light-Moderate Dry Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
SCTN RAMANATHAPURAM Intensity Light-Moderate Dry Dry Dry Dry
  Probability Likely Likely Very likely Very likely Very likely
TOOTHUKUDI Intensity Light-Moderate Dry Dry Dry Dry
  Probability Likely Very likely Very likely Very likely Very likely
TIRUNELVELI Intensity Light-Moderate Dry Dry Dry Dry
  Probability Likely Very likely Very likely Very likely Very likely
KANYAKUMARI Intensity Light-Moderate Dry Dry Dry Dry
  Probability Likely Very likely Very likely Very likely Very likely

 

Legend

Intensity of Rainfall                          
VL Very light Rainfall (0.1 to 2.4 mm)                     Warning Colour Codes
LIGHT Light rainfall (2.5-15.5 mm)   Distribution of Heavy Rainfall   Probability of Occurrence   Warning (Take Action)
MODERATE 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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