Showing posts with label Special Weather Outlook. Show all posts
Showing posts with label Special Weather Outlook. Show all posts

Saturday, December 13, 2008

Special Weather Outlook

Special Weather Outlook
Portions of Middle Tennessee
December 13, 2008
Volunteer Weather

>>Volunteer Weather issues a Special Weather Outlook for the following areas of Middle Tennessee concerning a possible freezing rain event...

Benton County, Dickson County, Houstan County, Humpherys County, Montgomery County, and Stewart County.

A wavering cold front will play havoc on our forecast for our extreme northwestern corner of the midstate. Monday night temperatures could flirt with freezing in Stewart, Houston, Humpherys, Montgomery, Dickson, and Benton counties. Though temperatures at the surface in those locations will be close or at freezing, the layers of atmosphere just a few thousand feet above the earths surface will be too warm for snow or sleet. In a case of that nature we tend to see what precipitation does fall freeze upon contact with surfaces that are at or below freezing. Models do not always handle this type of shallow cold air event very well. That freezing line could fluctuate and push further to the south if the models are underdoing the strength of the cold air. No winter weather products have been issued for our area by the national weather service as of yet.

Some minor accumulations of ice are possible in the above areas for Monday night. Please continue to monitor local weather forecasts as this event draws closer and be prepared for severe winter weather if this system takes a turn for the worst.

Snowman
5:30pm

Monday, December 8, 2008

Dec. 8, 2008 Forecast Package


Forecast Discussion
December 08, 2008
Middle Tennessee


Short Term: Monday...

During the day today expect temperatures to warm up well into the 50's. Moisture return from the gulf will be on the rise and by tonight, rain should start breaking out across the area.


Mid Term: Tuesday-Thursday...

Expect rain and storms on Tuesday. There is potential for some heavy rainfall across our area on Tuesday night. Will highlight that in Special Weather Outlook. By Wednesday arctic air starts to filter into our area. A mixture of rain and snow is possible on Wednesday transitioning to snow on Wednesday night. Any accumulations would likely be confined to the east or southeast. Will continue to monitor latest forecast tracks and define the area of possible wintry weather. Lows on Wednesday night will drop well into the 20's so any leftover moisture on the roadways will likely create hazardous driving conditions. Will not highlight that in SWO as confidence is low. Thursday will be cold but dry.


Long Term: Friday-Monday...

Friday will be chilly and dry. Another system moves into our area on Saturday night into Sunday, but warmer air will be in place so no issues with ptype. Will not discuss much tonight as main focus is on the above time line.


Snowman

1 am


Special Weather Outlook
December 8, 2008
Middle Tennessee


This is a special weather outlook for all of middle Tennessee concerning the heavy rainfall potential that consists for Tuesday night. A low pressure system will slide across northwest Tennessee and bring copious amounts of rainfall to the Middle Tennessee area. Flash Flood Guidance values suggest that some isolated flash flooding could take place, especially across areas close to the Tennessee river. Would not be suprised if Nashville NWS has to issue FFW.


Snowman 1am