Regional Meteorological Centre Chennai

DISTRICT RAINFALL FORECAST FOR TAMIL NADU AND PUDUCHERRY

20.10.2019

NAME OF THE DISTRICT RAINFALL  INTENSITY 20.10.2019 21.10.2019 22.10.2019 23.10.2019 24.10.2019
SUN MON TUE WED THU
TIRUVALLUR Intensity Light-Moderate Light-Moderate Light-Moderate Light-Moderate Isolated heavy 
  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 Isol hvy-vhvy Isolated heavy 
  Probability likely likely Likely Likely Likely
VILLUPURAM Intensity Light-Moderate Light-Moderate Light-Moderate Isol hvy-vhvy Light-Moderate
  Probability likely likely Likely Likely Likely
PUDUCHERRY Intensity Light-Moderate Light-Moderate Moderate Light Light-Moderate
  Probability likely likely likely Likely Likely
CUDDALORE Intensity Isol hvy-vhvy Light-Moderate Moderate Light Isolated heavy 
  probability Likely Likely Very likely Likely Very likely
NAGAPATTINAM Intensity Isol hvy-vhvy Light-Moderate Light-Moderate Isol hvy-vhvy Isolated heavy 
  Probability Likely Likely Likely Likely Likely
KARAIKAL Intensity Light-Moderate Light-Moderate Light-Moderate Light Light-Moderate
  Probability Likely Likely Likely Likely Likely
TIRUVARUR Intensity Isol hvy-vhvy Light-Moderate Light-Moderate Isol hvy-vhvy Isolated heavy 
  Probability Likely Likely Likely Likely Likely
THANJAVUR Intensity Isol hvy-vhvy Light-Moderate Light-Moderate Isolated heavy  Isolated heavy 
  Probability Likely Likely Likely Likely Likely
PUDUKKOTTAI Intensity Isol hvy-vhvy Light-Moderate Light-Moderate Isolated heavy  Isolated heavy 
  Probability Likely Likely Likely Likely Likely
VELLORE Intensity Light-Moderate Light-Moderate Light-Moderate Light-Moderate Moderate
  Probability likely likely Likely Likely Likely
TIRUVANNAMALAI Intensity Light-Moderate Light-Moderate Moderate Moderate Moderate
  Probability Likely Likely Likely Likely Likely
ARIYALUR Intensity Moderate Light-Moderate Light-Moderate Light-Moderate Isolated heavy 
  Probability Likely Likely Likely Likely Likely
PERAMBALUR Intensity Moderate Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
TRICHY Intensity Light-Moderate Light-Moderate Light-Moderate Moderate Moderate
  Probability Likely Likely Likely Very likely Likely
KARUR Intensity Light-Moderate Light-Moderate Moderate Light Light
  Probability Very likely Very likely Likely Likely Likely
NAMAKKAL Intensity Moderate Light-Moderate Moderate Light Isolated heavy 
  Probability Likely Likely Likely Likely Very likely
SALEM Intensity Light-Moderate Isolated heavy  Isolated heavy  Light-Moderate Isolated heavy 
  Probability Likely Likely Likely Likely Likely
DHARMAPURI Intensity Light-Moderate Isolated heavy  Isolated heavy  Moderate Isolated heavy 
  Probability Likely Likely Likely Likely Likely
KRISHNAGIRI Intensity Light-Moderate Light Moderate Moderate Isolated heavy 
  Probability Likely Likely Likely Likely Likely
ERODE Intensity Moderate Isolated heavy  Moderate Moderate Moderate
  Probability Likely Likely Likely Likely Likely
NILGIRIS Intensity Isol hvy-vhvy Isolated heavy  Isol hvy-vhvy Moderate Moderate
  Probability Likely Likely Likely Likely Likely
COIMBATORE Intensity Isol hvy-vhvy Isolated heavy  Isol hvy-vhvy Moderate Moderate
  Probability Likely Likely Likely Likely Likely
TIRUPPUR Intensity Moderate Light-Moderate Moderate Moderate Moderate
  Probability  Likely  Likely Likely Likely Likely
THENI Intensity Isolated heavy  Isol hvy-vhvy Isol hvy-vhvy Light-Moderate Light-Moderate
  Probability Likely  Likely Likely Likely Likely
DINDIGUL Intensity Isolated heavy  Isol hvy-vhvy Isol hvy-vhvy Moderate Moderate
  Probability Likely Likely Likely Light Likely
MADURAI Intensity Moderate Isolated heavy  Light-Moderate Light-Moderate Light-Moderate
  Probability likely likely Likely Likely Likely
VIRUDHUNAGAR Intensity Moderate Light-Moderate Moderate Moderate Moderate
  Probability Likely Likely Likely Likely Likely
SIVAGANGA Intensity Isol hvy-vhvy Light-Moderate Light-Moderate Isolated heavy  Isolated heavy 
  Probability Likely Likely Likely Likely Likely
RAMANATHAPURAM Intensity Isol hvy-vhvy Isol hvy-vhvy Light-Moderate Isolated heavy  Isolated heavy 
  Probability  Likely  Likely Likely Likely Likely
TOOTHUKUDI Intensity Isol hvy-vhvy Light-Moderate Isolated heavy  Light-Moderate Isolated heavy 
  Probability  Likely  Likely Likely Likely Likely
TIRUNELVELI Intensity Isol hvy-vhvy Isol hvy-vhvy Isolated heavy  Light-Moderate Isolated heavy 
  Probability  Likely  Likely Likely Likely Likely
KANYAKUMARI Intensity Isol hvy-vhvy Isol hvy-vhvy Isolated heavy  Light-Moderate Light-Moderate
  Probability likely likely Likely Likely 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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