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Smith County, TN Weather And Climate Synopsis

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A joint service of the UK Ag Weather Center and the National Weather Service.

National Weather Service Nashville TN
1120 AM CST Mon Dec 18 2017

.UPDATE...
FOR 18Z AVIATION DISCUSSION.

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 SMITH County
Issued at 1200 PM CST MON DEC 18 2017

...NORTHERN MIDDLE TENNESSEE...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CLARKSVILLE    CLOUDY    49  44  83 SW6G16    30.14F                  
CROSSVILLE     CLOUDY    50  47  89 W12       30.15F                  
GALLATIN       CLOUDY    50  48  93 SW7       30.17F                  
NASHVILLE      CLOUDY    51  48  89 W6        30.16F                  
PORTLAND       CLOUDY    48  48 100 SW6       30.13F FOG              
SMYRNA         CLOUDY    51  48  89 S8        30.17F                  
WEST NASHVILLE CLOUDY    50  48  93 SW9       30.14F                  

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


Current Agricultural Weather Conditions in Tennessee
Based on observations at 1200pm CST, Monday December 18, 2017

Across Tennessee...temperatures are near 47 degrees west and near 51 degrees central. Current sky conditions are cloudy west and cloudy central. In the west, relative humidity is near 93%, and the dew point is near 45 degrees. In the central part of the state, relative humidity is near 89%, and the dew point is near 48 degrees. Winds are from the southwest at 8 mph west, where conditions are favorable for spraying. Winds are from the west at 6 mph central, where conditions are favorable for spraying. Winds are unavailable east. The livestock cold stress index is in the no stress category west, no stress category central, and unavailable category east. Based on current available observations, the highest temperature is 52 degrees at Savannah and Lexington. The lowest temperature is 46 degrees at Somerville.


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 SMITH County,TN

505 AM CST Mon Dec 18 2017

 DAY ONE  Today and Tonight

No hazardous weather is expected at this time.

 DAYS TWO THROUGH SEVEN  Tuesday through Sunday

No hazardous weather is expected at this time.

 SPOTTER INFORMATION STATEMENT  

Spotter activation will not be needed.

NWS Severe Weather Map , Convective Outlook


7-Day Forecast For SMITH County, TN
1010 AM CST Mon Dec 18 2017

REST OF TODAY
Cloudy. Areas of fog late in the morning. Areas of drizzle late in the morning. Highs in the mid 50s. Southwest winds around 5 mph.

TONIGHT
Mostly cloudy. Lows in the lower 40s. Southwest winds up to 5 mph.

TUESDAY
Cloudy with a 50 percent chance of showers. Highs in the upper 50s. Southwest winds up to 10 mph.

TUESDAY NIGHT
Showers likely in the evening, then showers after midnight. Lows in the mid 40s. Southwest winds up to 5 mph shifting to the northeast after midnight. Chance of showers 80 percent.

WEDNESDAY
Showers in the morning, then showers likely in the afternoon. Highs in the lower 50s. Northeast winds 10 to 15 mph. Chance of showers 80 percent.

WEDNESDAY NIGHT
Mostly clear. Lows in the mid 30s.

THURSDAY
Partly cloudy. Highs in the lower 60s.

THURSDAY NIGHT
Mostly cloudy with a 20 percent chance of showers. Lows in the mid 40s.

FRIDAY
Showers likely and chance of thunderstorms. Highs in the lower 60s. Chance of precipitation 70 percent.

FRIDAY NIGHT
Showers. Lows in the mid 40s. Chance of showers 80 percent.

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

SATURDAY NIGHT
Mostly cloudy with a 30 percent chance of rain showers. Lows in the mid 30s.

SUNDAY
Mostly cloudy with a 40 percent chance of rain showers. Highs in the lower 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
                            TENNESSEE                                                                     
                 ---------------------------------------------
                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY 
                   DEC 23-27 DEC 25-DEC 31    DEC       DEC-FEB                      
                 -----------  -----------  --------  ---------
   Temperature:     Normal        Below     Normal      Above                      
 Precipitation:      Above       Normal     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

Monday December 18, 2017 the 352th Day of Year

---------------------------------------------------
SUN
Declination -23.410000
Distance 0.999725 AU
Rise 07:53 EST Set 17:35 EST
Transit Meridian 12:43 EST
Civil Twilight Begins 07:25 EST Ends 18:03 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

DECEMBER 18TH
HISTORIC WEATHER EVENTS
...1957...
A tornado swept across Jackson County, Williamson County and Franklin
County in southern Illinois killing eleven persons. (David Ludlum)
...1981...
A heavy lake-effect snow blanketed the southern and southeast shores of
Lake Michigan leaving up to 22 inches of snow at Valparaiso IND. (David
Ludlum)
...1983...
Record cold hit the north central states. At Havre MT the mercury plunged
to a record reading of 34 degrees below zero. (Sandra and TI Richard
Sanders - 1987)
...1984...
A storm over southern California left up to 16 inches of snow in the
mountains and upper deserts, with 13 inches reported at Lancaster. Edwards
Air Force Base was closed, and Interstate 5 was closed from Castaic to the
Tehachapis Mountains. (18th-19th) (The Weather Channel)
...1986...
A strong winter storm, which developed off the coast of New Jersey and
moved out to sea, lashed the northeastern U.S. with high winds, heavy rain,
and heavy snow. The storm left snowfall amounts of up to 30 inches in
Vermont, 24 inches in Massachusetts, and 20 inches in New Hampshire. The
highest rainfall amounts approached four inches in southern New England,
where winds gusted to 70 mph. (Storm Data)
...1987...
A weakening storm moved into the Rocky Mountain Region producing six inches
of snow at the Platoro Reservoir in the San Juan Mountains of Colorado. The
storm then spread rain and drizzle across the Southern High Plains into the
Middle Mississippi Valley, with thunderstorms over Texas. (Storm Data) (The
National Weather Summary)
...1988...
Warm weather prevailed in the central U.S. while cool weather prevailed
across the eastern states. Sheridan WY, with a record warm afternoon high
of 68 degrees, was seven degrees warmer than Key West FL. (The National
Weather Summary)
...1989...
A winter storm moving out of the Great Plains Region spread freezing rain,
sleet and snow across parts of the southeastern U.S. Freezing rain resulted
in 170 auto accidents in the Memphis area during the evening hours.
Unseasonably warm weather continued ahead of arctic cold front. Miami FL
equalled their record for December with an afternoon high of 87 degrees.
(Storm Data) (The National Weather Summary)

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