6 months ago
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The India Meteorological Department (IMD) has begun issuing peculiar upwind forecasts and nowcasts for the pilgrims visiting Sabarimala temple with the opening of the two-month-long yearly Mandalam-Makaravilakku astatine the elevation shrine connected Monday. The IMD has acceptable up 3 manual rainfall gauges and tools to grounds somesthesia astir the region, which could beryllium utilized for validating the realised rainfall and somesthesia successful the region.
However, giving a precise nowcast (weather forecasts for each 3 hours) for a tiny portion wrong 25 km is simply a situation for the upwind forecasting agency, fixed the information that nary circumstantial automatic upwind presumption (AWS) was installed for this intent alone, though the information from the Laha and Seethathode AWS could beryllium utilized for the forecast.
During the Amarnath pilgrimage, the IMD had installed 10 AWSs en way to get the updated weather. One radar presumption is besides successful the vicinity. Every twelvemonth aft the season, the officials volition dismantle each instrumentality and support it astatine Srinagar owed to avalanche fall.
Kochi radar
Similarly, if determination is simply a radar presumption astatine slightest astir 60 km distant from Sabarimala, much precise forecasts could beryllium issued by the upwind agency, said sources. Though, according to the IMD officials, Sabarimala comes nether the Kochi radar, which is an S-band radar with a scope of 250 km; the radar is utilized to supply a wide grounds of sites wrong 60 to 150 km. Locations beneath 60 km are successful the cone of radar silence, and areas supra 150 km are beyond the range, known arsenic radar ambiguity. So a radar presumption 60 km distant from Sabarimala is perfect for issuing precise upwind forecasts, said sources.
Manual rainfall gauges are chiefly utilized for forecast verification. The IMD began the regular forecast for Sabarimala, taking a cue from the pilgrim upwind forecast issued during the yearly Char Dham yatra, Ganga Sagar Mela, Amarnath yatra, etc.
Among the 14 districts successful Kerala, Pathanamthitta, the territory wherever the elevation shrine is situated, receives the highest magnitude of rainfall (629 mm) during the northeast monsoon season, portion the long-period mean of the State is 492 mm of rain. In 2023, the territory netted a full of 1,220.2 mm of rainfall, astir 94% higher than the mean rainfall, followed by 714.3 mm of rainfall successful 2024, an excess of 14 %.
