Cyclone Biparjoy in the Arabian Sea began a period of rapid intensification late in the day on 09 June 2023, reaching Category 3 intensity by 12 UTC on 10 June (SATCON) — EUMETSAT Meteosat-9 Visible (0.64 µm) and Infrared Window (10.8 µm) images (above) showed Biparjoy during the 0100-1330 UTC... Read More

The animation above shows a strong convective system between Austin and San Antonio moving southeastward on 8 June 2023 . SPC storm reports note that this complex dropped hail in Bulverde (in Comal County, 13 miles northeast of San Antonio) around 1900 UTC, and in various locations in Bexar County (of which... Read More

NOAA’s Hazardous Weather Testbed is an annual evaluation (by National Weather Service forecasters) of experimental satellite-based products that provide useful information during convective weather events. One of the demonstration products this year is a model with initial conditions that have assimilated fused polar hyperspectral soundings from NOAA-20/NOAA-21 and MetOp satellites. The animations... Read More

GOES-18 (GOES-West) SO2 RGB, Shortwave Infrared (3.9 µm) and Fire Power derived product images (above) showed the SO2 plume and thermal signature of an eruption of Kilauea that began at 4:44 AM HST or 1444 UTC on 07 June 2023. As of 1451 UTC (only 7 minutes after the onset of the... Read More