081318 Forecast

Mountain Area Headlines ( Aug 11-13 )

ALERT For The Potential Of Localized Flash Flooding Into This Weekend With Slow Moving Thunderstorms

Torrential downpours in slow moving thunderstorms have dropped heavy rainfall amounts across Dickenson County & northern portions of Wise County as of 1:30 AM Saturday, with potential for additional development of this nocturnal activity.  Folks living along streams and in low-lying, flood prone locations should remain alert through this weekend.

Reference my 080818 Forecast for the recent trend.

Headlines

*A moist, humid air mass will remain in place through this weekend with the potential for heavy to excessive rain amounts within localized places.

*The heavy rainfall threat is being enhanced by weak winds aloft beneath another anomalous, for this time of year, upper-level low with slow moving activity.

850 MB Temperature & Streamline Analysis

500 MB Wind Speed & Streamline Analysis

*A cold front will slowly work south and attempt to cross the mountains later in this weekend-early next week.  The threat for heavy-excessive rain amounts will continue until somewhat cooler, drier air is transported south behind this boundary.