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Weather Warning -IMN-211122



Weather Warning

Isolated storm and showers for this Monday afternoon

November21, 2022
02:50 pm

Diagnosis: A more humid condition in southern Central America as a result of the signal from the Intertropical Convergence Zone, instability brought from the Caribbean sectors to the national territory, in addition to warm temperatures for the regions of the Pacific slope, have favored the development of accompanied downpours of scattered electrical storms in sectors such as: Ciudad Neily, San Vito, mountains and surroundings of Valle del General, mountainous sectors east of Quepos, Parrita, Jacó. In addition, variable rainfall in the Central Valley, North Zone and North Caribbean. The accumulated amounts are between 15 - 45 mm with punctual maximums of 75 mm (Coto 49).

Forecast: For the remainder of the afternoon, it is estimated that the rainfall, accompanied by an electrical storm, will continue and move towards sectors and lower parts of the Central and South Pacific, with estimated amounts between 15 – 40 mm with very specific maximums of up to 60mm. The Caribbean regions and the North Zone will present showers over the mountains that will decrease towards the end of the afternoon, with amounts between 10 – 45 mm in isolation. For the Central Valley, variable rains will persist in the afternoon, with a possible very localized storm, mainly to the west and mountainous sectors to the east. The estimated amounts are expected between 10-35 mm.

Warning: Seek shelter in the event of a thunderstorm and be aware of the possibility of sudden changes in local creeks and sewers.

Due to the above, the IMN recommends:

• Caution for sewer saturation and possible flash floods.

• Prevention before electrical storm and seek refuge in a safe place in case of appearing or perceiving strong gusts of wind near the storm clouds, due to the possible fall of tree branches, power lines, among others.

• Stay informed through social networks, Twitter: @IMNCR, Facebook: National Meteorological Institute CR and the WEB Page:

Jose Pablo Valverde Mora