HEAT WAVE ENDS AS MR & MRS ENSO FIGHT IT OUT

By: Steve Gregory, 7:10 PM GMT on July 28, 2016

THURSDAY: 28-JUL-16 / 2:15 PM CDT
Next Update on ** THURSDAY ** – AUG 4TH

‘HEAT DOME’ BREAKS IN HALF

The massive upper air High (‘Heat Dome’) that’s brought the warmest, coast-to-coast ‘same week’ Temps to the lower 48 in a decade has begun to split into 2 ‘pieces’ – with one centered in the SW US and another in the southeast – as upstream changes over the Pacific (due to tropical forcing) continues to cause...

US TEMPS TROPICS Atmospheric Angular Momentum Velocity Potential La Nina

Updated: 7:12 PM GMT on July 28, 2016

HEAT WAVE TO ABATE NEXT WEEK AS LA NIÑA SHOWS ITSELF

By: Steve Gregory, 6:28 PM GMT on July 20, 2016

WEDNESDAY: 20-JUL-16 / 1:30 PM CDT
Next Update on ** THURSDAY ** – JULY 28TH

‘HEAT DOME’ OVER CENTRAL US

As expected, a large and strong upper air High (‘Heat Dome’) has formed over the central US and is already bringing some of the hottest WX since 2013 to portions of the central US – including the Midwest and eventually the East through most of the weekend on into next week – though the upper Midwest/Great Lakes re...

Heat Wave US Temps mjo La Nina

Updated: 7:34 PM GMT on July 23, 2016

HEAT WAVE ON THE WAY AS NORMAL SUMMER PEAK APPROACHES + TEMP ANOM VERIFICATION

By: Steve Gregory, 6:37 PM GMT on July 13, 2016

WEDNESDAY: 13-JUL-16 / 1:45 PM CDT
Next Update on WEDNESDAY – JULY 13TH (2 WEEK TEMP ANOM VERIFICATION ADDED)

LARGE ‘HEAT DOME’ TO DEVELOP OVER CENTRAL US NEXT WEEK

A subtle pattern change is expected to occur over the next 6-10 days that should result in the formation of a strong, mid-summer sub-tropical High (‘Heat Dome’) over the central US – possibly extending into the mid and north Atlantic states. This will bring...

US TEMPS Heat Wave MJO Atmospheric Angular Momentum Tropics

Updated: 5:41 PM GMT on July 15, 2016

COOL WEATHER HEADING FOR THE WEST

By: Steve Gregory, 7:14 PM GMT on July 07, 2016

COOL WEATHER HEADING FOR THE WEST


THURSDAY: 7-JUL-16 / 2:15 PM CDT
Next Update on WEDNESDAY – JULY 13TH

MAJOR TROF TO DELIVER COOL TEMPS OUT WEST WITH PERIODIC HEAT SURGES IN THE EAST

Widespread above normal Temperatures dominate much of the nation, while upper level disturbances moving eastward across the northern US are triggering strong, meso-scale convective systems moving from the high Plains to Midwest and ...

US Temps MJO Teleconnections Tropics

Updated: 7:32 PM GMT on July 07, 2016

WHAT YOU SEE IS WHAT YOU GET

By: Steve Gregory, 7:46 PM GMT on June 29, 2016

WEDNESDAY: 29-JUN-16 / 2:50 PM CDT
Next Update on THURSDAY – JULY 7TH

COOL DOWN TO BE FOLLOWED BY BRIEF HEAT SURGE

An impressive (by summer standards) TROF with below normal heights extends from just north of the Great Lakes southward towards the southern Appalachians is bringing cooler Temps to the Midwest and NE US (this morning’s low of 52˚ in Chicago is 10˚ below normal). As another short wave moves across the Great Lakes...

US TEMPS MJO Teleconnections TROPICS

Updated: 6:32 PM GMT on June 30, 2016

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About SteveGregory

Professional Forecaster experience since 1977, concentrating in Aviation, Tropical and Long Range forecasting.

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