09/05/2022, 8:40 am EDT

California Heat Wave Blasts Through This Week; Thunderstorm Pattern to Follow

ECMWF points toward tomorrow as the hottest day of many consecutive extremely hot days which last through this week. Thunderstorms caused by Tropical Cyclone Kay can cause local flooding late this week/next weekend as the heat wave erodes. Short-term thunderstorm activity is likely over the Sierra Nevada and southwest California mountains.
09/01/2022, 1:49 pm EDT

Today’s GFS Indicates 3 Tropical Cyclones Between 40N and 45N by September 9th

Is this a climate change graphic? The 12Z GFS projects a tropical storm and two hurricanes between 40N and 45N latitude for Sep. 9th. The middle location storm is what GFS is forecasting for 91L. The farthest north system is “Danielle”. The 3rd system east of New England forms east of the Mid-Atlantic Coast. Note that the tropics are free and clear.
09/01/2022, 12:14 pm EDT

Lingering TUTT Causing Shear to Inhibit North Atlantic TC Development

Presence of an upper-level low-pressure trough in the upper troposphere developed late last spring and lingered through meteorological summer. The upper trough is weaker in late August but still evident stretching from the Bahamas southwestward. The last time a tropical upper tropospheric trough was present during August in a vivid character was 2013 and during a weak La Nina climate.