* GOES-17 images shown here are preliminary and non-operational *GOES-17 Mid-level Water Vapor (6.9 µm) images with an overlay of 250 hPa wind isotachs from the GFS90 model (above) showed a string of disturbances (surface analysis) along the axis of a 180-knot “Japan Jet” across the North Pacific Ocean on 02 January... Read More

* GOES-17 images shown here are preliminary and non-operational *A mid-latitude cyclone moved northward over the far western Aleutian Islands late in the day on 28 December 2018, intensifying to a Hurricane Force low pressure system by 06 UTC on 29 December (surface analyses). A comparison of GOES-17 and GOES-15 (GOES-West)... Read More

* GOES-17 images shown here are preliminary and non-operational *GOES-17 Low-level (7.3 µm), Mid-level (6.9 µm) and Upper-level (6.2 µm) Water Vapor images (above) revealed an interesting train of standing waves about 100-150 miles south of the Big Island of Hawai’i on 25 November 2018. With the presence of moisture aloft, the 3... Read More

Suomi NPP VIIRS Infrared Window (11.45 µm) images (above) showed a well-defined banner cloud extending from the Brooks Range in northern Alaska to the Beaufort Sea on 07 November 2018. Overlays of NAM12 model 250 hPa winds revealed the presence of a branch of the polar jet stream flowing northeastward... Read More