FMO Bulletin

भारत सरकार GOVERNMENT OF INDIA INDIA METEOROLOGICAL DEPARTMENT भारत मौसम विज्ञान विभाग (Ministry of Earth Sciences) पृथ्वी विज्ञान मँत्रालय Address: Flood Meteorological Office, पता : बाढ़ मौसम कार्ाालर्, प्रादेशिक मौसम (Regional Meteorological Centre, Mausam कᴂद्र, मौसम भवन, लोधी रोड, नई शदल्ली – 110003 Bhawan, Lodhi Road, New Delhi - 110003) फोन: 011 - 24629096, 24623537 Phone: 011 - 24629096,24623537 फैक्स : 24690279 Fax: 24690279 e mail: [email protected] ईमेल : [email protected]

Dated: 28/09/2021 Time of Issue: 1230 hrs IST

HYDROMET BULLETIN

1) Synoptic Situation

• The Monsoon trough at mean sea level has become disorganized.

(*) - Forecast and Warning for any day is valid from 0830 hours IST of day till 0830 hours IST of next day

a) River Sub-basin-wise Quantitative Precipitation Forecast (QPF) FMO NEW DELHI QPF (mm) S. Basin Name Sub-basin Name Day-1 Day-2 Day-3 Day-4 Day-5 No. (28/09/2021)* (29/09/2021)* (30/09/2021)* (01/10/2021)* (02/10/2021)* Upper Yamuna Yamuna upto 1. 0.1-10 0.1-10 0.1-10 0.1-10 0.1-10 Catchment Hathnikund Lower Yamuna 2. Yamuna upto Mathura 0.1-10 0.1-10 0.1-10 0.1-10 0.1-10 Catchment-I Sahibi Nadi 3. Sahibi Nadi 0 0.1-10 0.1-10 0.1-10 0.1-10 Catchment

FMO AGRA QPF (mm) S. Basin Sub-basin Name No. Name Day-1 Day-2 Day-3 Day-4 Day-5 (28/09/2021)* (29/09/2021)* (30/09/2021)* (01/10/2021)* (02/10/2021)* 1. Gambhir 0.1-10 0.1-10 0.1-10 0.1-10 0.1-10 Yamuna Mathura to Naini 0.1-10 0.1-10 0.1-10 0.1-10 0.1-10 Lower Kunwari 0.1-10 0.1-10 0.1-10 0.1-10 0.1-10 Yamuna Catchme Sind 0.1-10 0.1-10 0.1-10 0.1-10 0.1-10 nt –II Betwa 0.1-10 0.1-10 0.1-10 0.1-10 0.1-10 (Mathura onwards) Ken 0.1-10 0.1-10 0.1-10 0.1-10 0.1-10 Lower Chambal 0.1-10 0.1-10 0.1-10 0.1-10 0.1-10 Upper Chambal 0.1-10 0.1-10 0.1-10 0.1-10 11-25

QPF categories (mm) 0 0.1-10 11-25 26-37 38-50 51-75 76-100 >100

(*) - Forecast and Warning for any day is valid from 0830 hours IST of day till 0830 hours IST of next day

b) River Sub-basin-wise Intensity and Distribution of QPF FMO NEW DELHI Intensity (I) and Spatial Distribution (D)

S. Sub-basin Day-1 Day-2 Day-3 Day-4 Day-5 Basin Name No. Name (28/09/2021)* (29/09/2021)* (30/09/2021)* (01/10/2021)* (02/10/2021)* I D I D I D I D I D

1 Upper Yamuna Yamuna upto L ISOL L ISOL L ISOL L ISOL L ISOL Catchment Hathnikund

Lower Yamuna Yamuna upto 2 L ISOL L ISOL L ISOL L ISOL L ISOL Catchment-I Mathura Sahibi Nadi 3 Sahibi Nadi M.Dry DRY L ISOL L ISOL L ISOL L ISOL Catchment

Spatial Distribution Intensity M.Dry NIL 0 cm VL Very Light Rainfall Trace DRY Dry No station reported rainfall ISOL One or two places 25% or less number of stations recorded rainfall 2.5 mm L Light Rainfall Upto 1 cm M Moderate Rainfall 2-6 cm H Heavy Rainfall 7-11 cm VH Very Heavy rainfall 12-20 cm SCT At a few places 26%-50% number of stations recorded rainfall 2.5 mm EH Extremely Heavy Rainfall 21 cm or more FWS At many places 51%-75% number of stations recorded rainfall 2.5 mm ExH Exceptionally Heavy When the amount is a value near about the highest recorded rainfall at or near the station for the month WS At most places 76%-100% number of stations recorded rainfall 2.5 mm Rainfall or season. However, this term will be used only when the actual rainfall amount exceeds 12 cm.

(*) - Forecast and Warning for any day is valid from 0830 hours IST of day till 0830 hours IST of next day

FMO AGRA

Intensity (I) and Spatial Distribution (D)

S. Sub-basin Day-1 Day-2 Day-3 Day-4 Day-5 Basin Name No. Name (28/09/2021)* (29/09/2021)* (30/09/2021)* (01/10/2021)* (02/10/2021)* I D I D I D I D I D

Gambhir L ISOL L ISOL L ISOL L ISOL L ISOL

Yamuna Mathura L ISOL L ISOL L ISOL L ISOL L ISOL to Naini

Kunwari L ISOL L ISOL L ISOL L ISOL L ISOL

1 Lower Yamuna Sind L ISOL L ISOL L ISOL L ISOL L ISOL Catchment –II

(Mathura onwards) Betwa L ISOL L ISOL L ISOL L ISOL L ISOL

Ken L ISOL L ISOL L ISOL L ISOL L ISOL

Lower Chambal L ISOL L ISOL L ISOL L ISOL L ISOL

Upper Chambal L ISOL L ISOL L ISOL L ISOL L WS

(*) - Forecast and Warning for any day is valid from 0830 hours IST of day till 0830 hours IST of next day

3) River Sub-basin-wise Heavy Rainfall Warning FMO NEW DELHI Day-1 Day-2 Day-3 Day-4 Day-5 S. Sub-basin Basin Name (28/09/2021)* (29/09/2021)* (30/09/2021)* (01/10/2021)* (02/10/2021)* No. Name I D I D I D I D I D

Upper Yamuna upto NIL NIL NIL NIL NIL NIL NIL NIL NIL NIL 1 Yamuna Hathnikund Catchment Lower Yamuna upto NIL NIL NIL NIL NIL NIL NIL NIL NIL NIL 2 Yamuna Mathura Catchment-I Sahibi Nadi Sahibi Nadi NIL NIL NIL NIL NIL NIL NIL NIL NIL NIL 3 Catchment

Spatial Distribution Intensity DRY Dry No station reported rainfall H Heavy Rainfall 7-11 cm VH Very Heavy rainfall 12-20 cm ISOL One or two places 25% or less number of stations recorded rainfall 2.5 mm EH Extremely Heavy Rainfall 21 cm or more SCT At a few places 26%-50% number of stations recorded rainfall 2.5 mm FWS At many places 51%-75% number of stations recorded rainfall 2.5 mm ExH Exceptionally Heavy When the amount is a value near about the highest recorded rainfall at or near the station for the month WS At most places 76%-100% number of stations recorded rainfall 2.5 mm Rainfall or season. However, this term will be used only when the actual rainfall amount exceeds 12 cm.

(*) - Forecast and Warning for any day is valid from 0830 hours IST of day till 0830 hours IST of next day

FMO AGRA Day-1 Day-2 Day-3 Day-4 Day-5 S. Sub-basin Basin Name (28/09/2021)* (29/09/2021)* (30/09/2021)* (01/10/2021)* (02/10/2021)* No. Name I D I D I D I D I D

Gambhir NIL NIL NIL NIL NIL NIL NIL NIL NIL NIL

Yamuna NIL NIL NIL NIL NIL NIL NIL NIL NIL NIL Mathura to Naini

NIL NIL NIL NIL NIL NIL NIL NIL NIL NIL Lower Kunwari Yamuna 1 Catchment –II Sind NIL NIL NIL NIL NIL NIL NIL NIL NIL NIL (Mathura

onwards) Betwa NIL NIL NIL NIL NIL NIL NIL NIL NIL NIL

Ken NIL NIL NIL NIL NIL NIL NIL NIL NIL NIL

Lower NIL NIL NIL NIL NIL NIL NIL NIL H ISOL Chambal Upper NIL NIL NIL NIL NIL NIL NIL NIL H ISOL Chambal

(*) - Forecast and Warning for any day is valid from 0830 hours IST of day till 0830 hours IST of next day

4) River Sub-basin-wise Probabilistic QPF FMO NEW DELHI QPF Probability (%)

Day-1 Day-2 Day-3 Day-4 Day-5 (28/09/2021)* (29/09/2021)* (30/09/2021)* (01/09/2021)* (02/10/2021)* Basin Sub-basin

Name Name (QPF Categories) (QPF Categories) (QPF Categories) (QPF Categories) (QPF Categories)

10 10 10 10 10

25 50 25 50 25 50 25 50 25 50

- - - - -

100 100 100 100 100

------

0 0 0 0 0

- - - - -

>100 >100 >100 >100 >100

11 26 11 26 11 26 11 26 11 26

0.1 0.1 0.1 0.1 0.1

51 51 51 51 51

Upper

Yamuna upto

5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5

100 100 100 100 100

------

Yamuna -

- - - - -

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Hathnikund 0

75 75 75 75

Catchment 75

Lower

Yamuna upto

5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5

100 100 100 100 100

------

Yamuna -

- - - - -

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Mathura 0

75 75 75 75 Catchment-I 75

Sahibi Nadi

Catchment

75 50 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5

100 100 100 100

------

Sahibi Nadi -

- - - -

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

50 25

75 75 75 75

(*) - Forecast and Warning for any day is valid from 0830 hours IST of day till 0830 hours IST of next day

FMO AGRA QPF Probability (%)

Day-1 Day-2 Day-3 Day-4 Day-5 (28/09/2021)* (29/09/2021)* (30/09/2021)* (01/09/2021)* (02/10/2021)* Basin Sub-basin

Name Name (QPF Categories) (QPF Categories) (QPF Categories) (QPF Categories) (QPF Categories)

10 10 10 10 10

25 50 25 50 25 50 25 50 25 50

- - - - -

100 100 100 100 100

------

0 0 0 0 0

- - - - -

>100 >100 >100 >100 >100

11 26 11 26 11 26 11 26 11 26

0.1 0.1 0.1 0.1 0.1

51 51 51 51 51

5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5

100 100 100 100 100

------

Gambhir -

- - - - -

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

75 75 75 75 75

Yamuna Mathura to

5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5

100 100 100 100 100

------

- - - - -

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Lower Naini 0

75 75 75 75 Yamuna 75 Catchment –II

(Mathura

onwards)

5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5

100 100 100 100 100

------

Kunwari -

- - - - -

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

75 75 75 75 75

5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5

100 100 100 100 100 100

------

Sind -

------

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

75 75 75 75 75 75

(*) - Forecast and Warning for any day is valid from 0830 hours IST of day till 0830 hours IST of next day

5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5

100 100 100 100 100

------

Betwa -

- - - - -

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

75 75 75 75 75

5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5

100 100 100 100 100

------

Ken -

- - - - -

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

75 75 75 75 75

5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5

100 100 100 100 100

------

Lower Chambal -

- - - - -

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

75 75 75 75 75

5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 50 75 5 5 5

100 100 100 100

------

Upper Chambal -

- - - -

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

26 50

75 75 75 75

(*) - Forecast and Warning for any day is valid from 0830 hours IST of day till 0830 hours IST of next day

5) Outlook for subsequent two days FMO NEW DELHI OUTLOOK S.No. Basin Name Sub-basin Name Day-6 Day-7 (03/10/2021)* (04/10/2021)* Upper Yamuna Yamuna upto NLC NLC 1 Catchment Hathnikund Lower Yamuna NLC NLC 2 Yamuna upto Mathura Catchment-I Sahibi Nadi NLC NLC 3 Sahibi Nadi Catchment FMO AGRA OUTLOOK S.No. Basin Name Sub-basin Name Day-6 Day-7 (03/10/2021)* (04/10/2021)* Gambhir NLC NLC Yamuna Mathura to NLC NLC Naini Kunwari NLC NLC Lower Yamuna 1 Catchment –II Sind NLC NLC (Mathura onwards) Betwa NLC NLC Ken NLC NLC Lower Chambal NLC NLC Upper Chambal DEC NLC

(*) - Forecast and Warning for any day is valid from 0830 hours IST of day till 0830 hours IST of next day

6) Station-wise significant rainfall recorded at 0830 hrs IST of today FMO NEW DELHI S. No. Basin Name Sub-basin Name Name of Station and Rainfall ( ≥ 5 cm. ) 1 Upper Yamuna Catchment Yamuna upto Hathnikund NIL 2 Lower Yamuna Catchment-I Yamuna upto Mathura NIL 3 Sahibi Nadi Catchment Sahibi Nadi NIL

FMO AGRA S. No. Basin Name Sub-basin Name Name of Station and Rainfall ( ≥ 5 cm. )

Gambhir NIL Yamuna Mathura to NIL Naini Kunwari NIL Lower Yamuna Catchment –II 1 Sind NIL (Mathura onwards) Betwa NIL Ken NIL Lower Chambal NIL Upper Chambal NIL

(*) - Forecast and Warning for any day is valid from 0830 hours IST of day till 0830 hours IST of next day

7) River Sub-basin-wise observed Average Areal Precipitation (AAP) of today

FMO NEW DELHI S. No. Basin Name Sub-basin Name AAP (mm) Yamuna upto 0.7 1 Upper Yamuna Catchment Hathnikund 2 Lower Yamuna Catchment-I Yamuna upto Mathura 0.0 3 Sahibi Nadi Catchment Sahibi Nadi 2.8

FMO AGRA S. No. Basin Name Sub-basin Name AAP (mm) Gambhir 1.6 Yamuna Mathura to Naini 0.7 Kunwari 5.3

Lower Yamuna Catchment –II Sind 1.7 1 (Mathura onwards) Betwa 0.2 Ken 0.8 Lower Chambal 5.4 Upper Chambal 6.3

(*) - Forecast and Warning for any day is valid from 0830 hours IST of day till 0830 hours IST of next day

8) Daily Rainfall & local forecast for Flood control room ISBT

SAHIBI NADI YAMUNA CATCHMENT CATCHMENT R/F R/F R/F R/F STATIONS STATIONS STATIONS STATIONS (mm) (mm) (mm) (mm) Shimla 0.0 Ambala 0.0 Karnal 0.0 Dadri Toye 29.0 0.0 0.0 0.0 0.0 Solan Paonta Delhi Rly Bri. Dhansa 0.0 Hathnikund 0.0 0.0 0.0 Chandigarh Palam (DLH) Rewari Barrage Jateon Brg. 0.0 Dadupur 0.0 Mathura 0.0 Massani Brg. 0.0 Nahan 0.0 Dehradun 0.0 Jaipur 10.7 0.0 0.0 Haripur Patiala

Saharanpur 0.0 Total R/F in New Delhi (SFD) in mm during last 24 hrs 0.0 Total R/F in New Delhi (SFD) (in mm) (Till Date from 1st June, 2021) 1169.7 Normal R/F in New Delhi (SFD) (in mm) (Till Date from 1st June, 644.2 2021) LOCAL FORECAST FOR DELHI & NEIGHBOURHOOD: GENERALLY CLOUDY SKY. POSSIBILITY OF THUNDERY DEVELOPMENT. TODAY’S MAXIMUM AND TOMORROW’S MINIMUM TEMPERATURES WOULD BE AROUND 36 AND 25 DEGREES CELSIUS RESPECTIVELY.

(Dr. Kuldeep Srivastava) Scientist-E, In-Charge FLOOD MET.OFFICE Phone number: 011-43824563

(*) - Forecast and Warning for any day is valid from 0830 hours IST of day till 0830 hours IST of next day