Govt. of / भारतसरकार Ministry of Earth Sciences / पृथ्वीविज्ञानमंत्रालय India Meteorological Department / भारतमौसमविज्ञानविभाग Regional Meteorological Centre /क्षेत्रीयमौसमकᴂद्र Guwahati – 781 015/ गुिाहाटी–७८१०१५

Press Release -4/प्रेसविज्ञꥍति-४

Dated: 26.05.2020 Time of issue: 1400 hrs IST

Sub: Heavy Rainfall Activity over North Eastern States during next 05 days

Present Synoptic Condition:  A E-W trough at mean sea level runs from East Uttar Pradesh to Nagaland across Bihar, Sub- Himalayan West Bengal and Assam.  A NE-SW trough in westerlies runs roughly along Longitude 87° E to the north of Latitude 23°N between 1.5 and 2.1 km above mean sea level. Datewise Weather Warnings:

26.05.2020

Red Warnings: 1. Extremely Heavy rainfall and Thunderstorms lightnings with gusty winds (wind speed 40-50 kmph) at isolated places is very likely over Kokrajhar, Chirang and Baska districts of Assam. 2. Extremely Heavy rainfall at isolated places is very likely over East Siang,Lower Siang, Dibang Valley & Lower Dibang Valley of Arunachal Pradesh. Orange Warnings: 1. Very heavy rainfall and Thunderstorms lightnings with gusty winds (wind speed 30-40 kmph) at isolated places is very likely over Dhubri, South Salmara and Goalpara districts of Assam; Anjaw, Lohit, Namsai, Changlang Triap & Longding districts of Arunachal Pradesh. 2. Very heavy rainfall at isolated places is very likely over Bongaigaon, Barpeta, Sonitpur, Bishwanath, Lakhimpur, Dhemaji, Dibrugarh and Tinsukia districts of Assam. Yellow warnings: 1. Heavy rainfall at isolated places is very likely over Papumpare ,Upper & Lower Subansiri districts of Arunachal Pradesh; Nalbari, Kamrup (R), Kamrup Metro, Darrang, Udalguri, Morigaon, Nagaon,Jorhat, Majuli, Sibsagar, Charaideo, Dima Hasao and Cachar districts of Assam; Paren, Dimapur, Kohima, Phek, Mokokchung, Longleng, Mon and Tuensang districts of Nagaland 2. Thunderstorms with lightning and gusty winds(speed 30-40 kmph) at isolated places are likely over Lower Siang, East Siang, Dibang Valley & Lower Dibang Valley districts of Arunachal Pradesh; Tamenlong, Senapati, Kangpokpi districts of . 3. Thunderstorms with lightning at isolated places are likely over Tawang, West & East Kameng, Kurun Kumey, Kra Daadi, West Siang, Siang & Upper Siang districts of Arunach Pradesh; Dima Hasao & Cachar districts of Assam; Wokha, Zunheboto, and, Kephire districts of Nagaland; Bishnupur, , , Tengnoupal, Chandel, & Pherzawl districts of Manipur; Mamit, Kolasib & Aizwal districts of Mizoram

27-05-2020

Orange Warnings: 1. Thunderstorms with lightning and gusty winds(speed 30-40 kmph) and Very Heavy rainfall at isolated places is very likely over Kokrajhar, Chirang, Baska, Hojai, Karbi Anglong, West Karbi Anglong, Golaghat, Dima Hasao, Cachar, Hailakandi and Karimganj districts of Assam; 2. Very Heavy rainfall at isolated places is very likely over Darrang, Udalguri, Morigaon, Nagaon districts of Assam; & Noney districts of Manipur; Mamit, Kolasib & Aizwal districts of Mizoram.

Yellow warnings 1. Thunderstorms with lightning and gusty winds(speed 30-40 kmph) at isolated places is very likely over Dhubri, South Salmara, & Goalpara districts of Assam. 2. Heavy rainfall at isolated places is very likely over Nalbari, Kamrup, Kamrup Metro, Jorhat, Majuli, Sibsagar, & Charaideo districts of Assam; Namsai, Chaglang, Tirap, & Longding districts of Arunachal Pradesh districts of Arunachal Pradesh; Paren, Dimapur, Kohima, Phek, Mon, TuensangLongleng and Mokokchung districts of Nagaland; Impal West, East, Ukhrul, Kamjong, Bishnupur, Thoubal, Kakching, Tengnoupal, Chandel, Churachandpur, & Pherzawl districts of Manipur. 3. Thunderstorms with lightning at isolated places are likely over Sonitpur & Bishwanath, districts of Assam; Tawang, West Kameng, East Kameng, Kurungkumey and Kradaadi, districts of Arunachal Pradesh; Paren, Dimapur, Kohima, Wokha,Phek, Zunheboto & Kephire of districts of Nagaland.; Serchip & Champhai districts of Mizoram

28-05-2020

Orange Warnings 1. Thunderstorms with lightning and gusty winds(speed 30-40 kmph) and Very Heavy rainfall at isolated places is very likely over Dima Hasao, Cachar, Hailakandi and Karimganj districts of Assam. 2. Very Heavy rainfall at isolated places is very likely over Karbi Anglong, West Karbi Anglong, Golaghat,& Hojai districts of Assam; Jiribam, Noney, Bishnupur, Thoubal, Kakching, Tengnoupal, Chandel, Churachandpur & Pherzawl districts of Manipur; Mamit, Kolasib & Aizwal districts of Mizoram Yellow warnings: 1. Thunderstorms with lightning and gusty winds(speed 30-40 kmph) and Very Heavy rainfall at isolated places is very likely over Dhubri, South Salmara, & Goalpara districts of Assam 2. Heavy rainfall at isolated places is very likely over Bongaigaon, Barpeta, Kamrup, Nalbari districts of Assam; Wokha, Zunheboto&Kephire districts of Nagaland; Champhai, Serchip, Lunlei, Lawngtlai & Saiha districts of Mizoram. 3. Thunderstorms with lightning at isolated places is likely over Darrang, Udalguri, Morigaon& Nagaon districts of Assam; Tawang, West Kameng, East Kameng, Kurung Kumey& Kradaadi districts of Arunachal Pradesh; Paren, Dimapur, Kohima & Phek of districts of Nagaland; Impal West, Imphal East, Ukhrul & Kamjong districts of Manipur.

29-05-2020 Orange Warnings:

1. Very heavy rainfall at isolated places is very likely over Dhubri, South Salmara, Goalpara, Bongaigaon, Barpeta, Kamrup, Hojai, Karbi Anglong, West Karbi Anglong, Golaghat, Dima Hasao, Cachar, Hailakandi, Karimganj districts of Assam; Chandel, Churachandpur and Pherzawl districts of Manipur. Yellow warnings:

1. Heavy rainfall at isolated places is very likely over Dhubri, South Salmara, Goalpara, Bongaigaon, Barpeta, Kamrup, Hojai, Karbi Anglong, West Karbi Anglong, Golaghat, Dima Hasao, Cachar, Hailakandi, Karimganj districts of Assam; Jiribam, Noney, Bishnupur, Thoubal, Kakching, Tengnoupal, Chandel, Churachandpur & Pherzawl districts of Manipur; Mamit, Kolasib, Aizwal, Champhai, Serchip, Lunlei, Lawngtlai & Saiha districts of Mizoram. 2. Thunderstorms with lightning at isolated places is likely over Papumpare, Upper & Lower Subansiri districts of Arunachal Pradesh; Impal West, Imphal East, Ukhrul & Kamjong districts of Manipur. 30-05-2020

Yellow warnings: 1. Heavy rainfall at isolated places is very likely over Hojai, Karbi Anglong, West Karbi Anglong, Golaghat, Hailakandi, Karimganj districts of Assam; Jiribam, Noney, Chandel, Churachandpur and Pherzawl districts of Manipur; Mamit, Kolasib, Aizwal, Champhai, Serchip, Lunlei, Lawngtlai & Saiha districts of Mizoram. 2. Thunderstorms with lightning at isolated places is likely over Papumpare, Upper & Lower Subansiri districts of Arunachal Pradesh; Dhubri, South Salmara & Goalpara districts of Assam; Bishnupur, Thoubal, Kakching & Tengnoupal districts of Manipur.

Note: The Warning for any day is valid from 0830 hours IST of the day till 0830 hrs IST of the next day.

Probabilistic Forecast WARNING Terms Probability of Occurrence (%) WARNING (Take Action) Unlikely <25 ALERT (Be prepared) Likely 25-50 WATCH (Be Updated) Very Likely 50-75 No Warning (No Action) Most Likely >75

For updated detailed weather forecast, kindly visit our website (http://www.imdguwahati.gov.in) Phone: - 0361-2840552; Fax: - 0361-2840243 ***************************************************************