Alaskan Heat Wave as Rest of the Nation Warms up

By: Steve Gregory, 7:27 PM GMT on May 21, 2015



Wet but Mild Weather Pattern across the Nation
21-MAY-15 (Next Regular WX Update MON – MAY 25)

A warming trend will sweep across the nation with above normal Temps developing nationwide next week– along with continued wet weather in many areas – is expected during the remainder of the month.

The unseasonably strong long wave TROF along the West Coast has begun to slowly weaken but will continue to send upper level sh...

2 WEEK FORECAST Alaska Temps

Updated: 7:37 PM GMT on May 21, 2015

Near Seasonable Temps Rest of May – Except in Alaska!

By: Steve Gregory, 8:18 PM GMT on May 18, 2015



Gradual Change to More Seasonable Pattern over the US
18-MAY-15 (Next Regular WX Update THU – MAY 21)

The very strong short wave that moved from California to the northern Plains this past weekend triggering severe storms and tornadoes across the Plains will move into Canada with cooler air moving south and then eastward over the next few days.

The unseasonably strong long wave TROF that’s persisted since April along t...

2 WEEK FORECAST Alaska Temps EL NINO

Updated: 8:27 PM GMT on May 18, 2015

Unseasonable Rain in Southern California

By: Steve Gregory, 9:03 PM GMT on May 14, 2015



Rain in California – But Pattern Change Possible by End of Month
14-MAY-15 (Next Regular WX Update MON – MAY 18)

An unseasonably strong short wave TROF digging southeastward towards southern California will be strong enough to trigger showers and even isolated T-storms across southern CA over the next couple days, with rainfall totals of .5” to 1” and isolated 2” expected across southern California, and even some snowfall in ...

2 WEEK FORECAST EL NINO

Updated: 9:17 PM GMT on May 14, 2015

Typical Late Spring Pattern to Emerge

By: Steve Gregory, 7:25 PM GMT on May 11, 2015

Typical Late Spring Pattern to Emerge


BRIEF COOL DOWN BUT WESTERN TROF WILL KEEP EAST MILD INTO NEXT WEEK
11-MAY-15 (Next Regular WX Update THU – MAY 14)

As the remnants of T.S. ANA near the Virginia Capes will move out to sea Tuesday, cooler air will overspread the Midwest and then Northeast before Temperatures bounce back up later this week across the eastern half of the nation, with near to normal readings during Week 2.

2 WEEK FORECAST EL NINO

Updated: 7:41 PM GMT on May 11, 2015

Mild Temps Continue as Semi-Tropical Disturbance ANA impacts the Southeast (UPDATE)

By: Steve Gregory, 7:27 PM GMT on May 07, 2015



INVEST 90L MAY YET BE NAMED SUB-TROPICAL STORM ANA (Updated 8MAY15-13Z)
7-MAY-15 (Updated 8MAY15-13Z --> Next Regular WX Update MON – MAY 11)

8-MAY-15 / 13Z: NHC designated the cut-off Low east of Georgia to Sub-Tropical Storm ANA overnight.



The last ASCAT pass combined with ship/buoy reports show ANA is near tropical storm intensity, but the wind field is highly unusual in that lighter winds are located close t...

2 Alaska Temps Tropical Storm EL NINO MJO ANA

Updated: 2:48 PM GMT on May 08, 2015

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About SteveGregory

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

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