• The flood occurred from late October to early November 1999.

• The peak flooding happened between November 1 and November 6, 1999.

2. Consequences

• Human loss: 352 people died and hundreds were injured.

• Property damage: Tens of thousands of houses were submerged or swept away, and many hectares of crops were destroyed.

• Infrastructure: Roads, bridges, and schools were severely damaged; transportation in many areas was cut off.

• Daily life: Many communities were isolated, facing shortages of food, clean water, and medicine.

3. Solutions

• Emergency response: Rescue forces, the army, and police were mobilized to evacuate people, save lives, and distribute relief goods.

• Post-disaster support: The government and charities provided food, clothing, medicine, and temporary shelters.

• Long-term measures: Improved weather forecasting systems, upgraded dikes and flood-prevention infrastructure, and raised public awareness about disaster preparedness.

Consequences: Heavy rain caused by Typhoon Wipha has also resulted in many trees breaking and falling. A street in P. Sam Son (Thanh Hoa) is flooded with water.

Solution : update predict and warning, reinforcing infrastructure

Consequences

• 25 dead, over 1,000 injured.

• Estimated damage: 23,700+ billion VND.

• 70% of urban trees broken/down.

• 165 boats sunk; over 102,800 houses unroofed, 251 collapsed, nearly 5,000 flooded.

• 2,600+ aquaculture facilities damaged; 7,500 ha of rice flooded; 500,000+ poultry lost; ~90,000 ha of forests damaged.

• Power, telecom, and transport disruptions.

Solutions

• Mobilized ~70,700 soldiers, police, and workers with equipment for cleanup and repairs.

• Restored 70% of electricity supply; internet and mobile services back to 100%.

• Evacuated 3,100+ households from danger zones; rescued 111 stranded at sea or on islands.

• Reopened production, coal industry, industrial zones, Móng Cái border gate, and tourist facilities (nearly 10,000 visitors in 2 days).

• Resumed schooling and medical services across the province.

• Reviewing damage for targeted support: social welfare aid, tuition reduction, financial assistance, debt relief, low-interest loans for aquaculture and forestry, land rent exemption.

• Adjusting 2024 economic growth plan to maintain double-digit growth target.

• Time: Sunday, June 1, 2025.

• Recorded temperature:

  • Lang station (Dong Da District): 40.4 °C — highest in the North and Central regions.

  • Other stations like Ha Dong, Son Tay: nearly 40 °C; Ba Vi, Hoai Duc: over 39 °C.

• Low humidity (about 40–45%) and no wind made the heat feel stronger and more uncomfortable.

2. Consequences

• Heat stroke, exhaustion, stroke:
  The hot weather can cause dehydration, tiredness, and heat stroke, especially dangerous for the elderly and people with health problems. Without quick treatment, it can cause death.

• Fire risk:
  High temperature and high electricity use can cause fires in houses and increase the risk of forest fires in hills and mountains.

3. Solutions

Experts advise:

• Avoid going outside between 10 a.m. and 4 p.m., especially for the elderly, children, and sick people.

• Protect your body when outside:

  • Wear light, cool clothes, hats, and cover your skin.

  • Drink enough water and also drink electrolyte water to replace minerals.

• Follow the weather forecast to prepare for long hot days.

• Prevent fire and explosion:

  • Limit using high-power electrical devices for a long time.

  • Install safety devices to stop overload.

  • Check electrical safety at home and in the neighborhood.

• Time and development: Wipha formed in the East Sea in late July 2019 and gradually weakened as it approached the coast, but still brought heavy to very heavy rain. On the night of August 1 and the morning of August 2, the typhoon made landfall in the Mong Cai – Hai Phong area, directly affecting Ha Long.

• Weather impacts:

  • Prolonged heavy rainfall, with precipitation in many parts of Ha Long exceeding 300 mm within 1–2 days.

  • Strong winds of level 8–9, gusting over level 10, uprooting trees and damaging roofs of many buildings.

  • High waves and storm surge, causing many tourist boat piers to suspend operations.

• Damage and consequences:

  • Transportation and tourism: Ha Long Bay temporarily suspended receiving visitors during the storm for safety.

  • Flooding: Several central streets in Ha Long were heavily flooded, making it difficult for residents to travel.

  • Housing and infrastructure: Many houses, schools, and public works suffered roof damage or other destruction.

  • Casualties: There were reports of several fatalities in Quang Ninh, mostly due to flash floods and landslides in mountainous areas.