Due to the combined influence of the upper-air trough and warm and humid airflow, precipitation, cooling, windy and dusty weather are expected in Shenmu City from April 27 to 29, accompanied by strong convection on the 28th.
Precipitation and strong convection: Cloudy to overcast on the 27th. From the afternoon of the 28th to the morning of the 29th, there was light rain (3-10 mm) from northwest to southeast in Shenmu City, moderate rain in southern towns and towns, and locally heavy rain (25-30 mm). The main precipitation period was from the evening to the night of the 28th, accompanied by more obvious strong convective weather, with short-term heavy precipitation, thunderstorms, strong winds or hail locally, and the maximum hourly rainfall intensity was 10-15 mm.
Blowing wind, sand and dust: from the 27th to the 28th, there were 4-5 southerly winds with gusts of 6-7 in the city, and on the 29th, under the influence of cold air, there were 4-5 northerly winds with gusts of 6-7, accompanied by blowing sand or floating dust.
Cooling: The average daily temperature of the city dropped by 4-6 °C on the 28th, and the average daily temperature of the city dropped by 6-8 °C on the 29th, and it could reach 8-10 °C locally, and the lowest temperature appeared on the morning of the 30th, dropping to 5-9 °C.
The specific forecast is as follows:
April 27: Cloudy to overcast, southerly wind 4-5, gust 6-7, temperature 13~30°C.
April 28: Cloudy to light rain or thundershowers (3-10 mm), moderate rain (10-15 mm) in southern towns, locally heavy rain (25-30 mm), southerly wind 4-5, gusts 6-7, temperature 12~28 °C.
April 29: light rain turns cloudy (0-2 mm), with blowing sand or floating dust, northerly wind 4-5, gust 6-7, temperature 8~23 °C.
Impact Analysis & Recommendations:
1. Pay attention to the adverse effects of precipitation and strong convection. The precipitation is conducive to soil moisture enhancement and spring plowing and spring sowing, and it is recommended to carry out farmland management and water storage and moisture conservation in a timely manner. In the early stage of precipitation, it is convective in nature, the hourly rain intensity can reach more than 10 mm, and there may be hail locally, so it is necessary to prevent secondary disasters such as landslides and landslides that may be caused by short-term heavy precipitation, and prepare for hail. During the precipitation period, the road is slippery and the visibility is low, and the risk of road blockage increases, so it is necessary to strengthen the management of traffic travel and urban operation.
2. Pay attention to the adverse effects of strong winds and cooling weather. It is recommended that all localities and relevant departments take measures to deal with strong winds in advance, strengthen livestock and poultry enclosures, facility greenhouses, temporary buildings, tower cranes, scaffolding, outdoor advertising and enclosure and other facilities, prevent tree lodging and falling objects from heights, and the construction unit should stop outdoor high-altitude operations in a timely manner, prevent crosswinds in traffic travel, and take shelter measures in time for water operations in relevant waters.
3. Pay attention to the adverse effects of sand or floating dust weather. Be prepared for wind and sand, close doors and windows in a timely manner, take appropriate protective measures for important outdoor electronic facilities, and pay attention to carrying masks and other dust-proof supplies for outdoor work or activities to prevent respiratory diseases or injuries.
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Source: Shenmu Meteorological Observatory
Editor: Shi Na
Editor-in-charge: He Xiaoxia Director: Wang Hua