Professional Forecaster experience since 1977, concentrating in Aviation, Tropical and Long Range forecasting.
By: Steve Gregory, 8:12 PM GMT on November 25, 2014
PROGRESSIVE FLOW DEVELOPING NATIONWIDE NEXT WEEK AS STORMY PATTERN CONTINUES
The very large upper level, long wave TROF that brought very cold conditions has given way to a far more progressive flow, with the next major, full latitude TROF developing in the central US. This TROF positively tilted TROF will trigger a storm formation tonight over the SE US, with the coastal storm to become a strong Nor’Easter as it he...
Updated: 9:36 PM GMT on November 25, 2014
By: Steve Gregory, 7:37 PM GMT on November 23, 2014
PROGRESSIVE FLOW DEVELOPING NATIONWIDE – WITH STORMY CONDITIONS NEXT 2 WEEKS
The very large upper level, long wave TROF that has dominated North America for the [past 10 days has lifted out to the northeast as a strong TROF over the center of the nation brings much warmer and wet conditions to the eastern half of the nation. A cold surge behind this TROF and storm system will move into the Midwest in a couple days a...
By: Steve Gregory, 7:39 PM GMT on November 20, 2014
ARCTIC COLD TO RETREAT AS PROGRESSIVE FLOW DEVELOPS - MAJOR STORM ON ITS WAY
The very large upper level, long wave TROF that has dominated North America for a week now will begin lifting out to the northeast as a far more progressive, and somewhat warmer maritime influence from the Pacific over spreads the nation during the next couple days. A strong, but fast moving TROF will move across the west and deepen over the ...
Updated: 4:45 PM GMT on November 21, 2014
By: Steve Gregory, 7:44 PM GMT on November 18, 2014
COLD FINALLY REACHES EAST COAST - MODERATION TO BEGIN WEST TO EAST BY THE WEEKEND
The very large upper level, long wave TROF continues to dominate the continent, with a strong resurgence of the cold flow into the US now in the Midwest. All global models and their respective Ensemble members continue to forecast the major TROF to begin lifting out to the northeast, with a more west-to-east zonal flow working its way fr...
Updated: 7:38 PM GMT on November 19, 2014
By: Steve Gregory, 9:07 PM GMT on November 16, 2014
DEEP TROF OVER NORTH AMERICA WITH ANOTHER COLD AIR SURGE
A very large scale TROF over North America with its axis extending from Hudson Bay Canada south towards the Gulf coast states remains quasi-stationary. A fairly strong short Wave TROF and associated vorticity lobe is moving S/SE from the Canadian Plains and will cause the primary TROF to deepen again over the next few days, with another surge of arctic air moving southward behind it. ...