Regional Meteorological Centre, Chennai

DISTRICT RAINFALL FORECAST FOR TAMIL NADU AND PUDUCHERRY

20-09-2021

Sub-region NAME OF THE DISTRICT RAINFALL  INTENSITY 20.09.2021 21.09.2021 22.09.2021 23.09.2021 24.09.2021
MON TUE WED THU FRI
NCTN & PDC TIRUVALLUR Intensity Moderate Isolated heavy  Isolated heavy  Light-Moderate Isolated heavy 
  Probability Likely Likely Likely Likely Likely
CHENNAI Intensity Moderate Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
CHENGALPATTU Intensity Moderate Moderate Light-Moderate Light-Moderate Isolated heavy 
  Probability Likely Likely Likely Likely Likely
KANCHEEPURAM Intensity Moderate Moderate Light-Moderate Light-Moderate Isolated heavy 
  Probability Likely Likely Likely Likely Likely
VILLUPURAM Intensity Moderate Moderate Light-Moderate Isolated heavy  Isolated heavy 
  Probability Likely Likely Likely Likely Likely
PUDUCHERRY Intensity Moderate Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
CUDDALORE Intensity Moderate Moderate Light-Moderate Isolated heavy  Isolated heavy 
  probability Likely Likely Likely Likely Likely
MAYILADURAI Intensity Isolated heavy  Moderate Light-Moderate Isolated heavy  Isolated heavy 
  probability Likely Likely Likely Likely Likely
NAGAPATTINAM Intensity Isolated heavy  Moderate Light-Moderate Isolated heavy  Isolated heavy 
  Probability Likely Likely Likely Likely Likely
KARAIKAL Intensity Moderate Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
TIRUVARUR Intensity Isolated heavy  Moderate Light-Moderate Isolated heavy  Isolated heavy 
  Probability Likely Likely Likely Likely Likely
THANJAVUR Intensity Isolated heavy  Moderate Light-Moderate Isolated heavy  Isolated heavy 
  Probability Likely Likely Likely Likely Likely
PUDUKKOTTAI Intensity Isolated heavy  Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
NITN KALLAKURUCHI Intensity Isolated heavy  Light-Moderate Isolated heavy  Isolated heavy  Isolated heavy 
  Probability Likely Likely Likely Likely Likely
VELLORE Intensity Light-Moderate Isolated heavy  Isolated heavy  Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
RANIPET Intensity Light-Moderate Isolated heavy  Isolated heavy  Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
TIRUPPATTUR Intensity Light-Moderate Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
TIRUVANNAMALAI Intensity Isolated heavy  Light-Moderate Isolated heavy  Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
ARIYALUR Intensity Moderate Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  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 Moderate Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
KARUR Intensity Light-Moderate Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
NAMAKKAL Intensity Light-Moderate Isolated heavy  Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
SALEM Intensity Isolated heavy  Isolated heavy  Isolated heavy  Isolated heavy  Isolated heavy 
  Probability Likely Likely Likely Likely Likely
DHARMAPURI Intensity Light-Moderate Light-Moderate Isolated heavy  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 Isolated heavy  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 Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
SITN THENI Intensity Light-Moderate Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
DINDIGUL Intensity Light-Moderate Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
MADURAI Intensity Light-Moderate Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
VIRUDHUNAGAR Intensity Moderate Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
SIVAGANGA Intensity Moderate Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
TENKASI Intensity Moderate Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
SCTN RAMANATHAPURAM Intensity Isolated heavy  Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
TOOTHUKUDI Intensity Light-Moderate Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
TIRUNELVELI Intensity Light-Moderate Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
KANYAKUMARI Intensity Light-Moderate Light-Moderate Light-Moderate Light-Moderate Light-Moderate
  Probability Likely Likely Likely Likely Likely
 

 

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

Home