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Louisa, VA 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





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


Weather Summary for SW VA...SE WV...and NW NC
National Weather Service Blacksburg VA
455 PM EST Sun Dec 17 2017

.FORECAST SUMMARY...
Rounds of light rain will continue to pass across the area 
through early evening in the wake of a warm front moving northeast
into New England. By midnight, showers will be isolated and 
confined mainly to the mountains, possibly mixed with freezing 
drizzle in spots of the Alleghany Highlands. Overnight 
temperatures will fall into the low to mid 30s. A decrease in 
cloudiness can be expected for Monday, allowing afternoon 
temperatures to warm into the 50s for much of the area, though 
higher ridges in the mountains can expect to remain in the 40s.

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 LOUISA County
100 AM EST MON DEC 18 2017


CENTRAL AND SOUTH CENTRAL VIRGINIA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
RICHMOND       CLOUDY    43  38  82 S3        30.15F                  
CHESTERFIELD*  NOT AVBL                                               
PETERSBURG*    CLOUDY    37  36  93 CALM      30.16S                  
HANOVER        CLOUDY    43  36  76 SW3       30.16F                  
TAPPAHANNOCK*  CLOUDY    43  35  74 CALM      30.15F                  
QUINTON*       CLOUDY    40  37  89 MISG      30.15F                  
CHARLOTTSVILLE CLEAR     41  34  76 S5        30.10F                  
GORDONSVILLE*  PTCLDY    40  35  84 CALM      30.10F                  
ORANGE*        CLOUDY    41  34  75 CALM      30.12F                  
LOUISA*        CLOUDY    41  34  75 S3        30.16F                  
BUMPASS*       CLOUDY    39  37  93 CALM      30.13F                  
FARMVILLE*     CLOUDY    40  40 100 CALM      30.13F                  
CREWE*         CLOUDY    37  37 100 CALM      30.14F                  
FORT PICKETT*  NOT AVBL                                               
CHASE CITY*    CLOUDY    41  41 100 CALM      30.15S                  
CLARKSVILLE*   CLOUDY    39  37  93 SW3       30.16S                  
SOUTH HILL*    CLOUDY    39  37  95 S5        30.21S                  
LAWRENCEVILLE* CLOUDY    41  37  85 SW3       30.15S                  
EMPORIA*       CLOUDY    36  34  93 CALM      30.17F                  

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


Current Agricultural Weather Conditions in Virginia
Based on observations at 1200am EST, Monday December 18, 2017

Across Virginia...temperatures are near 39 degrees north, near 42 degrees central, and near 41 degrees south. Current sky conditions are cloudy north, cloudy central, and cloudy south. In the north, relative humidity is near 86%, and the dew point is near 35 degrees. In the central part of the state, relative humidity is near 76%, and the dew point is near 35 degrees. In the south, relative humidity is near 89%, and the dew point is near 38 degrees. Winds are calm north, where conditions are favorable for spraying. Winds are calm central, where conditions are favorable for spraying. Winds are from the southwest at 3 mph south, where conditions are favorable for spraying. The livestock cold stress index is in the no stress category north, no stress category central, and no stress category south. Based on current available observations, the highest temperature is 48 degrees at Norfolk. The lowest temperature is CLOUDY degrees at Roanoke.


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 LOUISA County
Hazardous report currently not available
NWS Severe Weather Map , Convective Outlook

Current FORECAST not available 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 Virginia
                             VIRGINIA                                                                     
                 ---------------------------------------------
                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY 
                   DEC 23-27 DEC 25-DEC 31    DEC       DEC-FEB                      
                 -----------  -----------  --------  ---------
   Temperature:      Above        Below     Normal      Above                      
 Precipitation:      Above       Normal      Below      Below                      

....  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 07:27 EST Set 16:59 EST
Transit Meridian 12:13 EST
Civil Twilight Begins 06:59 EST Ends 17:27 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