08/11/2020, 7:53 am EDT

Strongest U.S. Derecho Since June 2012 Strikes Midwest U.S.

On June 29, 2012 a derecho surged east-southeast from the Ohio Valley across the Mid-Atlantic region causing widespread wind damage resulting in the loss of 4,000,000 people without power. Yesterday a similarly intense derecho moved rapidly across the Midwest U.S. knocking out power to over 500,000 people.
08/07/2020, 1:28 pm EDT

North Atlantic Tropics Saharan Dust Continues But Mid-Atmosphere RH Increasing

Steady pulses of African dust continue to emit westward in the North Atlantic tropics suppressing tropics cyclone activity. However, the relative humidity/available moisture at mid-level atmosphere is increasing. The mid-level atmosphere increased humidity is very supportive of the tropics starting to percolate.
08/04/2020, 9:58 am EDT

Cool Equatorial Pacific Subsurface Lost in July BUT May Regenerate

A La Nina Watch remains in-place for 1-3 months from now and there are some signs of La Nina diagnostics returning. Last week the Nino34 SSTA lowered to -0.8C. The SOI in July was in the positive phase and the subsurface cool water near the Dateline is new and expanding. Despite the loss of the APR/MAY cool subsurface there remains a chance of La Nina onset by early in quarter 4 of 2020.
07/31/2020, 7:48 am EDT

Hurricane Isaias To Affect The Entire U.S. East Coast!

Miraculously Isaias survived the trek across Hispaniola as a minimal hurricane and will now reorganize over the warm waters of the Bahamas to a category 2 hurricane by tomorrow. Isaias is forecast to turn north and north-northeast staying just off the East Coast of the U.S.