Issued: 12am on Thursday, January 1st 1970
Technical Forecast Discussion
Short term (Sunday 2/3 through Tuesday 2/5)
WAA continues Sunday as the warm front moves northward into southern Canada as the region sits in the middle of upper level ridging as highs will be in the upper 50s. Clouds will increase Sunday night as moisture in the Gulf of Mexico is dragged upstream into the Mid-Atlantic. A shortwave over the Plains looks to strengthen a low pressure system that originates in Western Canada. The shortwave will force the cold frontal boundary into the region sometime Monday. Bands of rain showers are likely through Monday. A small upper level ridge and dry air moves in on Tuesday as precipitation clears.
Long term (Wednesday 2/6 through Saturday 2/9)
After a brief period of clear conditions, a upper level trough pushes a low pressure system into the Midwest. Models show the system to be in its frontal wave stage as the warm front moves northward and is likely to produce rain showers for the region. Despite high moisture values, precipitation looks to be light as the strongest upper and mid level flow will be west of the region. Heavier precipitation looks likely for Thursday as the GFS and EURO have pockets of precipitable water around 1.5-1.7 near Athens. Dry air stop chances for precipitation on Friday, but clouds will remain as the moisture moves upstream of the through the region. High pressure on Saturday will finally push out clouds as zonal flow moves over the region.