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Coffee County, TN Weather And Climate Synopsis

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Weather Summary Hourly Observations Nowcast Agricultural Weather Outlook
7 Day Forecast Medium & Long Range Outlook Almanac Historical Facts

US Weekly Rainfall Departure

US Weekly Temperature Departure
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A joint service of the UK Ag Weather Center and the National Weather Service.

National Weather Service Nashville TN
130 AM CST Fri Dec 15 2017


Low clouds are still covering a large portion of Middle Tennessee
in the wake of last evening's dry fropa. Indications are that the
clouds will finally erode by 18Z. Of course, we also thought this
would happen yesterday. At any rate, high pressure remains to our
west with a northerly flow still advecting cold air into the mid
state. Surface ridge won't shift east of Middle Tennessee until
this evening, so today's temperatures will be similar to
yesterday's. But with return flow setting up overnight, Saturday
will be considerably warmer. Look for the upper flow to turn
sharply southwestward after 00Z Sunday and bring a shortwave out 
of the Gulf Coast toward Middle Tennessee. So Sunday still appears
to be rainy, but the onset of precipitation should hold off until
after 12Z most areas, so we're expecting liquid only at this point.
The shortwave itself will make a fast exist, but enough lingering
moisture will stay around to keep low POP's in the forecast until
a stronger cold front pushes through Monday night and finally 
dries us out. Don't expect much cold advection behind this front, 
as the flow turns northerly only briefly (if at all). In fact, 
we'll start to see appreciative return flow by Wednesday, so 
temperatures next week will be considerably warmer than this week.
Looking ahead, both the GFS and ECMWF are depicting a highly- 
amplified, progressive system moving across Middle Tennessee next 
Thursday night and early Friday. If this proves the case, 
temperatures will drop considerably next weekend as we head into 

National Ag. Weather Outlook, International Ag. Weather Summary
Current Surface Map, [2nd Source TWC]

Click here for UKAWC Point Agricultural, Lawn & Garden Forecast/Outlook in case of corrupt tables.
Regional Hourly Observations For COFFEE County
Issued at 300 AM CST FRI DEC 15 2017

COLUMBIA       CLOUDY    25  23  93 CALM      30.08R                  
FAYETTEVILLE   CLEAR     27  23  86 CALM      30.07R                  
MCMINNVILLE    CLOUDY    23  21  93 CALM      30.04F                  
MURFREESBORO   CLOUDY    30  23  74 CALM      30.07F                  
PULASKI        PTCLDY    23  21  93 CALM      30.09R                  
SHELBYVILLE    CLOUDY    27  25  93 CALM      30.08S                  
TULLAHOMA      CLOUDY    23  19  86 CALM      30.05R                  
WINCHESTER     CLEAR     27  21  80 CALM      30.07R                  

Current Temperatures, Dewpoint, RH, Wind, Regional Obs, Surface 4-Panel

Current Agricultural Weather Conditions in Tennessee
Based on observations at 300am CST, Friday December 15, 2017

Across Tennessee...temperatures are near 31 degrees west, near 33 degrees central, and near 29 degrees east. Current sky conditions are clear west, cloudy central, and mostly cloudy east. In the west, relative humidity is near 78%, and the dew point is near 25 degrees. In the central part of the state, relative humidity is near 61%, and the dew point is near 21 degrees. In the east, relative humidity is near 92%, and the dew point is near 27 degrees. Winds are calm west, where conditions are favorable for spraying. Winds are from the northwest at 6 mph central, where conditions are favorable for spraying. The wind chill is near 28 degrees central. Winds are calm east, where conditions are favorable for spraying. The livestock cold stress index is in the no stress category west, no stress category central, and no stress category east. Based on current available observations, the highest temperature is 33 degrees at Nashville and Chattanooga. The lowest temperature is 22 degrees at Tri Cities.

Current NOWCAST not available:
Nowcasts are not issued routinely during fair weather. Only when
precipitation or other significant weather is occuring in this county will these
forecasts be issued. Currently, there is no short term forecast in effect.

US Radar, All NWS Radars (In near-real time), Current Livestock Heat Stress Index (LSI), Current Wind Chill Map
Hazardous Weather Outlook For COFFEE County,TN

500 AM CST Thu Dec 14 2017

 DAY ONE  Today and Tonight

No hazardous weather is expected at this time.

 DAYS TWO THROUGH SEVEN  Friday through Wednesday

No hazardous weather is expected at this time.


Spotter activation will not be needed.

NWS Severe Weather Map , Convective Outlook

7-Day Forecast For COFFEE County, TN
317 AM CST Fri Dec 15 2017

Partly cloudy. Highs around 40. Northwest winds 5 to 10 mph.

Mostly clear. Lows in the mid 20s. South winds up to 5 mph.

Mostly sunny. Highs in the lower 50s. Southwest winds up to 10 mph.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 30s. South winds 5 to 10 mph.

Cloudy. Rain showers likely in the morning, then a chance of rain showers in the afternoon. Highs in the lower 50s. South winds up to 15 mph. Chance of showers 70 percent.

Mostly cloudy with a 40 percent chance of showers. Lows in the mid 40s.

Mostly cloudy with a 30 percent chance of showers. Highs around 60.

Mostly cloudy with a 50 percent chance of showers. Lows in the mid 40s. Highs in the upper 50s.

Partly cloudy. Lows in the mid 30s.

Mostly clear. Highs in the mid 50s. Lows in the mid 30s.

Mostly sunny in the morning then becoming partly cloudy. A 20 percent chance of rain showers. Highs in the upper 50s.

12-48 Hr Surface Forecast Maps, TWC 4-Panel Surface Forecast, Fire Danger, Day 1 Precip, Day 2 Precip, Days 1-5 Precip, Severe Weather Pot.-Day 1, Day 2

Medium & Long Range Outlook For Tennessee
                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY 
                   DEC 20-24    DEC 22-28    DEC       DEC-FEB                      
                 -----------  -----------  --------  ---------
   Temperature:      Above        Above     Normal      Above                      
 Precipitation:      Above        Above     Normal      Above                      

....  Medium and long range outlooks provided by NCEP/K. Thomas Priddy
5 Day Rainfall Forecast, 6 to 10 Day , 8 to 14 Day , Text, 30-Day Outook, 90-Day Outook, 120-Day Outlook

Almanac Information

Friday December 15, 2017 the 349th Day of Year

Declination -23.310000
Distance 0.999725 AU
Rise 07:51 EST Set 17:34 EST
Transit Meridian 12:42 EST
Civil Twilight Begins 07:23 EST Ends 18:01 EST

Calculations made for central point in the state.
Time in ET -- and will vary due to location and
elevation -- Priddy

Historical Weather And Climate Facts For Today

The first of triple storms hit Massachusetts Bay. The storm produced whole
gales, and more than 20 inches of snow in interior New England. There was
great loss of life at Gloucester MA. (David Ludlum)
An intense cold front swept across the eastern U.S. The cold front produced
heavy rain in Louisiana, and heavy snow in the northeastern U.S. (David
A record December snowstorm buried Buffalo NY under 36.6 inches of snow,
with unofficial totals south of the city ranging up to 70 inches. Travel
was brought to a halt by the storm. (14th-17th) (The Weather Channel)
A major winter storm hit the Great Lakes Region, intensifying explosively
as it crossed northern Illinois. High winds and heavy snow created blizzard
conditions in southeastern Wisconsin. Winds gusted to 73 mph, and snowfall
totals ranged up to 17 inches at LaFarge. The barometric pressure at
Chicago IL dropped three quarters of an inch in six hours to 28.96 inches,
a record low reading for December. Up to a foot of snow blanketed northern
Illinois, and winds in the Chicago area gusted to 75 mph. O'Hare Airport in
Chicago was closed for several hours, for only the fourth time in twenty
years. High winds derailed train cars at Avon IN. Light winds and partly
sunny skies were reported near the center of the storm, a feature typical
of tropical storms. (The National Weather Summary) (Storm Data)
High pressure in the Pacific Northwest and low pressure in the southwestern
U.S. combined to produced high winds from Utah to California. Winds gusting
to 70 mph in the San Francisco area left nearly 300,000 residents without
electricity. Winds in Utah gusted to 105 mph at Centerville. (The National
Weather Summary) (Storm Data)
A couple of low pressure systems spread heavy snow across the northeastern
U.S. Up to two feet of snow was reported along Lake Erie in northeastern
Ohio, and up to ten inches was reported in Connecticut. Heavy snow squalls
developed over Michigan for the third day in a row. Three Oaks MI reported
25 inches of snow in two days. Twenty-six cities in the north central U.S.
reported record low temperatures for the date. The low of 10 degrees below
zero at Wichita KS was a December record for that location. (The National
Weather Summary) (Storm Data)

Ag Weather Center, Department of Biosystems & Agricultural Engineering, University of Kentucky