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Shenandoah, VA Weather and Climate Synopsis

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Regional Hourly Observations For SHENANDOAH County
400 AM EST SAT DEC 16 2017


SHENANDOAH VALLEY
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
WINCHESTER*    CLOUDY    32  18  55 W12G21    30.04S WCI  23          
FRONT ROYAL*   CLOUDY    34  18  51 W3        30.04S                  
LURAY*         CLOUDY    32  19  59 S5        30.05S                  
NEW MARKET*    CLOUDY    31  16  53 CALM      30.05S                  
STAUNTON*      CLOUDY    24  15  68 CALM      30.08R                  
WAYNESBORO*    CLEAR     26  15  65 SW3       30.05R                  

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


Current Agricultural Weather Conditions in Virginia
Based on observations at 300am EST, Saturday December 16, 2017

Across Virginia...temperatures are near 27 degrees north, near 34 degrees central, and near 24 degrees south. Current sky conditions are cloudy north, clear central, and clear south. In the north, relative humidity is near 85%, and the dew point is near 23 degrees. In the central part of the state, relative humidity is near 56%, and the dew point is near 20 degrees. In the south, relative humidity is near 77%, and the dew point is near 18 degrees. Winds are from the west at 5 mph north, where conditions are favorable for spraying. Winds are from the west at 6 mph central, where conditions are favorable for spraying. Winds are from the southwest at 5 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 34 degrees at Richmond and Leesburg. The lowest temperature is FAIR 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 SHENANDOAH County,VA

611 PM EST Fri Dec 15 2017

 DAY ONE  Tonight

Icy conditions are expected overnight in the wake of Friday's
light snowfall, mainly in northern Virginia and central Maryland 
including the Washington DC and Baltimore MD metro areas as 
temperatures drop well below freezing.

 DAYS TWO THROUGH SEVEN  Saturday through Thursday

No hazardous weather is expected at this time.

 SPOTTER INFORMATION STATEMENT  

Spotters should report snowfall per normal operating procedures.

NWS Severe Weather Map , Convective Outlook


7-Day Forecast For SHENANDOAH County, VA
Issued at 330 AM EST Sat Dec 16 2017

REST OF THE OVERNIGHT
Partly cloudy. Lows in the mid 20s. Southwest winds 5 to 10 mph.

TODAY
Mostly sunny. Highs in the mid 40s. West winds 10 to 15 mph.

TONIGHT
Mostly clear. Lows in the upper 20s. Southwest winds around 5 mph.

SUNDAY
Mostly sunny in the morning, then cloudy with a chance of rain in the afternoon. Highs in the upper 40s. South winds around 5 mph. Chance of rain 40 percent.

SUNDAY NIGHT
Mostly cloudy. Lows in the mid 30s. Southwest winds around 5 mph.

MONDAY
Partly sunny. Highs in the mid 50s.

MONDAY NIGHT
Mostly cloudy. Lows in the lower 40s.

TUESDAY
Partly sunny. Highs in the upper 50s.

TUESDAY NIGHT
Partly cloudy. Lows in the mid 30s.

WEDNESDAY
Mostly sunny. Highs in the mid 40s.

WEDNESDAY NIGHT
Mostly cloudy with a chance of freezing rain or sleet. Lows in the upper 20s. Chance of precipitation 30 percent.

THURSDAY
Mostly sunny. Highs in the mid 40s.

THURSDAY NIGHT
Partly cloudy. Lows in the mid 30s.

FRIDAY
Partly sunny. Highs in the mid 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 Virginia
                             VIRGINIA                                                                     
                 ---------------------------------------------
                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY 
                   DEC 21-25    DEC 23-29    DEC       DEC-FEB                      
                 -----------  -----------  --------  ---------
   Temperature:      Above       Normal     Normal      Above                      
 Precipitation:      Above        Above      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

Saturday December 16, 2017 the 350th Day of Year

---------------------------------------------------
SUN
Declination -23.350000
Distance 0.999725 AU
Rise 07:26 EST Set 16:58 EST
Transit Meridian 12:12 EST
Civil Twilight Begins 06:57 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 16TH
HISTORIC WEATHER EVENTS
...1835...
New England experienced one of their coldest days of record. At noon on
that bitterly cold Wednesday the mercury stood at four degrees below at
Boston, 15 degrees below at Norfolk CT, and 17 degrees below at Hanover NH.
The temperature at Boston was 12 degrees below zero by sunset. Gale force
winds accompanied the severe cold, and that night a great New York City
fire destroyed much of the financial district. (David Ludlum)
...1869...
A bill was introduced in the House of Representatives, 41st Congress, 
calling for the taking [of] meteorological observations at the military 
stations in the interior of the continent, and for giving notice on the 
northern lakes and Atlantic seaboard of the approach and force of storms. 
This would be signed in to law February 9, 1870, by President Grant, 
establishing what would come to be called the National Weather Service. You 
can see the actual bill on-line at: 
 here.
...1917...
An ice jam closed the Ohio River between Warsaw KY and Rising Sun IN. The
thirty foot high ice jam held for 58 days, and backed up the river a
distance of 100 miles. (David Ludlum)
...1987...
A Pacific storm battered the coast of California with rain and high winds,
and dumped heavy snow on the mountains of California. Winds along the coast
gusted to 70 mph at Point Arguello, and winds in the Tehachapi Mountains of
southern California gusted to 100 mph at Wheeler Ridge. Snowfall totals
ranged up to 24 inches at Mammoth Mountain. Snow fell for two minutes at
Malibu Beach, and Disneyland was closed due to the weather for only the
second time in twenty-four years. A winter storm which began in the
Southern Rockies four days earlier finished its course producing snow and
high winds in New England. Snowfall totals ranged up to 19 inches at
Blanchard ME. (The National Weather Summary) (Storm Data)
...1988...
Fairbanks AK reported freezing rain and record warm temperatures. The
afternoon high of 41 degrees was 43 degrees above normal. Snow and high
winds continued to plague the mountains of southern California. Mount
Wilson CA reported two inches of rain in six hours during the early
morning, and a storm total of more than 3.50 inches of rain. (The National
Weather Summary)
...1989...
Fifty-seven cities from the Southern and Central Plains to the Appalachians
reported record low temperatures for the date, including North Platte NE
with a reading of 17 degrees below zero. Squalls in the Great Lakes Region
produced 18 inches of snow at Syracuse NY, and 30 inches at Carlisle IND.
Low pressure brought heavy snow to northern New England, with 18 inches
reported at Derby VT and Saint Johnsbury VT. (The National Weather Summary)
(Storm Data)

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