இந் ய அர

இந் ய வானிைல ஆய் ைற GOVERNMENT OF INDIA

மண்டல வானிைல ஆய் ைமயம் INDIA METEOROLOGICAL DEPARTMENT
Regional Meteorological Centre
6, கல் ரிசாைல,
No. 6, College Road,
ெசன்ைன- 600006 Chennai–600006
ெதாைலேப : 044- 28271951. Phone: 044- 28271951

Thursday, November 28, 2024 Time of issue: 1400 Hrs. IST

WEATHER FORECAST / WARNING FOR NEXT 7 DAYS

Day 1 Day 2 Day 3 Day 4 Day 5 Day 6 Day 7
Met Sub- DAYS/ valid from 1230 hrs. valid from 0830 hrs. valid from 0830 hrs. valid from 0830 hrs. valid from 0830 hrs. valid from 0830 hrs. valid from 0830 hrs.
Division WARNINGS IST of 28.11.2024 to IST of 29.11.2024 to IST of 30.11.2024 to IST of 01.12.2024 to IST of 02.12.2024 to IST of 03.12.2024 to IST of 04.12.2024 to
0830 hrs. IST of 0830 hrs. IST of 0830 hrs. IST of 0830 hrs. IST of 0830 hrs. IST of 0830 hrs. IST of 0830 hrs. IST of
29.11.2024 30.11.2024 01.12.2024 02.12.2024 03.12.2024 04.12.2024 05.12.2024

SCT
Rainfall (CTN-FWS, ITN- FWS FWS FWS FWS SCT SCT
Distribution
SCT)
Scattered heavy to Scattered heavy to
very heavy rain very heavy rain
with extremely with extremely
Heavy rain is
heavy rain at one or heavy rain at one Heavy to very
likely to occur at heavy rain is
two places is likely or two places is
isolated places
to occur over likely to occur likely to occur at
over isolated places Heavy rain is
Chengalpattu, over Chennai,
Chengalpattu,
Villupuram, Tiruvallur, over Nilgiris, likely to occur at
Tamilnadu, Villupuram,
Cuddalore, Kancheepuram, Coimbatore, isolated places
PDC & KKL Cuddalore,
Mayiladuthurai, Chengalpattu, Tiruppur, over Nilgiris,
Mayiladuthurai,
HRW Tiruvarur, Villuppuram, Dindigul and Coimbatore, NIL NIL
Nagapattinam,
Nagapattinam Kallakurichi, Erode districts of Tiruppur, Theni,
Tiruvarur,
districts of Cuddalore Tamilnadu . Dindigul and
Thanjavur,
Tamilnadu, districts of Erode districts of
Pudukkottai,
Puducherry and Tamilnadu and Tamilnadu.
Ariyalur districts
Karaikal area. Puducherry.
of Tamilnadu,
Heavy to very Heavy to very Heavy rain is
Puducherry and
heavy rain is likely heavy rain is likely to occur at
Karaikal area
to occur at a few likely to occur at a isolated places
places over few places over over Krishnagiri,
Chennai, Ranipettai, Dharmapuri,
 Tiruvallur, Tiruvannamalai, Salem,
Kancheepuram, Perambalur, Namakkal,
Ariyalur and Ariyalur, Karur, Theni and
Thanjavur districts Thanjavur, Madurai districts
of Tamilnadu. Tiruvarur, of Tamilnadu .
Mayiladuthurai,
and
Nagapattinam
districts of
Tamilnadu and
Karaikal area.
Heavy rain is likely Heavy rain is
to occur at isolated likely to occur at
places over isolated places
Ranipet, over Vellore,
Tiruvannamalai, Tirupattur,
Kallakurichi, Krishnagiri,
Perambalur, Dharmapuri,
Tiruchirappalli, Salem,
Pudukkottai, Namakkal,
Sivaganga and Tiruchirappalli,
Ramanathapuram Pudukkottai and
districts of Karur districts of
Tamilnadu. Tamilnadu .
TSL/TSLG/ TSLH/
TSLHG TSL TSL TSL TSL TSL NIL NIL
Rainfall ISOL ISOL FWS WS FWS SCT ISOL
Distribution
Heavy to very Heavy rain is likely
heavy rain is likely to occur at isolated
HRW
NIL NIL NIL places. NIL NIL
Kerala And Mahe to occur at isolated
places over
TSL/TSLG/
NIL NIL TSL TSL TSL NIL NIL
TSLH/ TSLHG

Rainfall
DRY DRY DRY SCT FWS FWS FWS
Distribution
Heavy rain is Heavy rain is likely
HRW NIL NIL NIL NIL likely to occur at to occur at isolated NIL
Lakshadweep
isolated places. places.
TSL/TSLG/ TSLH/
NIL NIL NIL TSL TSL NIL NIL
TSLHG
 Rainfall
DRY DRY ISOL SCT FWS FWS FWS
Distribution
Heavy rain is likely Heavy rain is likely
Coastal Karnataka to occur at isolated to occur at isolated
HRW NIL NIL NIL places. places. NIL NIL
TSL/TSLG/ TSLH/
TSL TSL
TSLHG NIL NIL NIL NIL NIL
Rainfall
DRY DRY DRY DRY ISOL ISOL ISOL
Distribution
North Interior
Karnataka HRW NIL NIL NIL NIL NIL NIL NIL
TSL/TSLG/ TSLH/
TSLHG NIL NIL NIL NIL NIL NIL NIL
Rainfall
Distribution
DRY ISOL ISOL SCT FWS FWS FWS
Heavy to very Heavy rain is likely Heavy rain is likely Heavy rain is likely Heavy rain is likely
South Interior heavy rain is likely to occur at isolated to occur at isolated to occur at isolated to occur at isolated
HRW
Karnataka NIL NIL to occur at isolated places. places. places. places.
places.
TSL/TSLG/ TSLH/
TSLHG TSL TSL TSL TSL
NIL NIL NIL
Rainfall
SCT FWS FWS SCT SCT SCT ISOL
Distribution
Heavy rain is likely Isolated heavy to Heavy rain is likely
Coastal
to occur at isolated very heavy rain to occur at isolated
Andhra places. with extremely places
Pradesh & HRW NIL
heavy rain at one or NIL NIL NIL
Yanam
two places is likely
to occur.
TSL/TSLG/ TSLH/
NIL NIL
TSLHG NIL NIL NIL NIL NIL
Rainfall
ISOL FWS FWS SCT SCT SCT ISOL
Distribution
Heavy rain is likely Isolated heavy to Heavy rain is
to occur at isolated very heavy rain likely to occur at
places. with extremely isolated places.
Rayalaseema NIL NIL NIL NIL
HRW
heavy rain at one or
two places is likely
to occur.
TSL/TSLG/ TSLH/
NIL
TSLHG NIL NIL NIL NIL NIL NIL
 Rainfall DRY ISOL ISOL SCT SCT ISOL ISOL
Distribution

Telangana HRW NIL NIL NIL NIL NIL NIL NIL

TSL/TSLG/ TSLH/
TSLHG
NIL NIL TSL TSL TSL NIL NIL

Spatial rainfall distribution

% Stations % Stations
reporting Category reporting Category
Rainfall Rainfall
76-100 Widespread (WS/ most places) 26-50 Scattered (SCT/a few places)
51-75 Fairly Widespread (FWS/ many places) 1 -25 Isolated (ISOL/one or two places)
No Rain Dry
Rainfall intensity
Heavy rain 64.5 – 115.5 mm (7 – 11 cm)
Very heavy rain 115.6 - 204.4 mm (12 - 20 cm)
Extremely heavy rain >204.4 mm (21 cm or more)

Subdivision Warnings
colour

WATCH (BE UPDATED)

ALERT (BE PREPARED)
WARNING (TAKE ACTION)

TSL Thunderstorm & Lightning

TSLG Thunderstorm & Lightning with Gusty wind
TSLH Thunderstorm & Lightning with Hailstorm
TSLHG Thunderstorm, Lightning & Hailstorm with Gusty wind
 Legends:

North Tamil Nadu (NTN) Chennai, Kancheepuram, Chengalpattu, Tiruvallur, Cuddalore, Villupuram, Tirupattur, Vellore, Ranipet,
districts Kallakurichi, Tiruvannamalai, Krishnagiri, Dharmapuri, Salem, Namakkal, Karur, Erode, Thanjavur,
Tiruvarur, Mayiladuthurai, Nagapattinam, Pudukottai, Nilgiris, Coimbatore, Tiruppur, Tiruchirapalli,
Ariyalur, Perambalur.
South Tamil Nadu (STN) Dindigul, Theni, Virudhunagar, Madurai, Sivagangai, Ramanathapuram, Thoothukudi, Thenkasi,
districts Tirunelveli, Kanyakumari.
Interior Tamil Nadu (ITN) Tirupattur, Vellore, Ranipet, Kallakurichi, Tiruvannamalai, Kancheepuram, Krishnagiri, Dharmapuri, Salem,
districts Namakkal, Karur, Erode, Nilgiris, Coimbatore, Tiruppur, Tiruchirapalli, Ariyalur, Perambalur, Sivagangai,
Virudhunagar, Theni, Dindigul, Madurai, Thenkasi.
North interior Tamil Tirupattur, Vellore, Ranipet, Kallakurichi, Tiruvannamalai, Kancheepuram, Krishnagiri, Dharmapuri, Salem,
Nadu (NITN) districts Namakkal, Karur, Erode, Nilgiris, Coimbatore, Tiruppur, Tiruchirapalli, Ariyalur, Perambalur.
South interior Tamil Sivagangai, Virudhunagar, Theni, Dindigul, Madurai, Thenkasi.
Nadu (SITN) districts
Coastal Tamil Nadu Tiruvallur, Chennai, Chengalpattu, Villupuram, Cuddalore, Thanjavur, Tiruvarur, Mayiladuthurai,
(CTN) districts Nagapattinam, Pudukottai, Ramanathapuram, Thoothukudi, Tirunelveli, Kanyakumari.
North Coastal Tamil Tiruvallur, Chennai, Chengalpattu, Villupuram, Cuddalore, Thanjavur, Tiruvarur, Mayiladuthurai,
Nadu (NCTN) districts Nagapattinam, Pudukottai.
South Coastal Tamil Ramanathapuram, Thoothukudi, Tirunelveli, Kanyakumari.
Nadu (SCTN) districts
Delta Districts Thanjavur, Tiruvarur, Nagapattinam, Mayiladuthurai, Pudukottai and Karaikal area.
Delta and Adjoining Thanjavur, Tiruvarur, Nagapattinam, Mayiladuthurai, Pudukottai, Karaikal and Tiruchirapalli, Perambalur,
districts Ariyalur, Cuddalore.
Western Ghat districts Nilgiris, Coimbatore, Tiruppur, Theni, Dindigul, Thenkasi, Virudhunagar
PDC Puducherry and Karaikal