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Fairfax, VA Weather and Climate Synopsis

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36 Hr. Forecast Map
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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.


Weather Summary for SW VA...SE WV...and NW NC
National Weather Service Blacksburg VA
346 PM EDT Fri Oct 19 2018

.FORECAST SUMMARY...
A cold front will approach from the northwest tonight before 
passing southeast and through the region on Saturday. This front
will bring rain into the region overnight through early Saturday
morning. By Sunday this front will be well off the southeast 
coast with colder high pressure building over the area for Sunday 
and Monday.

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 FAIRFAX County
1000 PM EDT FRI OCT 19 2018


NORTHERN VIRGINIA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
WASH NATIONAL  MOCLDY    60  45  57 S15       30.01F                  
DULLES         MOCLDY    58  45  62 S13G22    29.98F                  
FORT BELVOIR   MOCLDY    59  50  72 S5        30.01F                  
QUANTICO       FAIR      60  48  64 SW13      30.02F                  
FREDERICKSBRG* FAIR      58  47  65 S10       30.02F                  
STAFFORD*      FAIR      58  46  63 S7        30.06F                  
WARRENTON      FAIR      60  43  53 S6        29.99F                  
CULPEPER*      FAIR      60  44  57 S8        30.01F                  
MANASSAS*      FAIR      58  46  64 S9        30.00F                  
LEESBURG*      MOCLDY    59  50  72 S12       29.98F                  
WINCHESTER     FAIR      55  45  67 S5        29.96F                  
FRONT ROYAL*   FAIR      57  46  67 S6        29.95F                  
LURAY*         FAIR      57  46  67 SW6       29.97F                  

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


Current Agricultural Weather Conditions in Virginia
Based on observations at 900pm EDT, Friday October 19, 2018

Across Virginia...temperatures are near 58 degrees north, near 55 degrees central, and near 54 degrees south. Current sky conditions are mostly cloudy north, mostly cloudy central, and fair south. In the north, relative humidity is near 64%, and the dew point is near 46 degrees. In the central part of the state, relative humidity is near 74%, and the dew point is near 47 degrees. In the south, relative humidity is near 74%, and the dew point is near 46 degrees. Winds are from the south at 12 mph north, where conditions are favorable for spraying. Winds are from the south at 9 mph central, where conditions are favorable for spraying. Winds are from the south at 6 mph south, where conditions are favorable for spraying. Based on current available observations, the highest temperature is 61 degrees at Wallops Island and Quantico. 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 FAIRFAX County,VA

844 AM EDT Fri Oct 19 2018

 DAY ONE  Today and Tonight

No hazardous weather is expected at this time.

 DAYS TWO THROUGH SEVEN  Saturday through Thursday

Gale force winds are likely over the waters overnight Saturday 
and Sunday.

 SPOTTER INFORMATION STATEMENT  

Spotter activation is not expected at this time.

NWS Severe Weather Map , Convective Outlook


7-Day Forecast For FAIRFAX County, VA
Issued at 1034 PM EDT Fri Oct 19 2018

REST OF TONIGHT
Cloudy. A chance of showers late this evening, then showers likely. Lows in the lower 50s. Southwest winds 5 to 10 mph. Chance of rain 60 percent.

SATURDAY
Mostly cloudy with a chance of showers in the morning, then partly sunny in the afternoon. Highs in the mid 60s. West winds 5 to 10 mph. Chance of rain 40 percent.

SATURDAY NIGHT
Partly cloudy with a 20 percent chance of showers. Lows in the lower 40s. West winds around 10 mph, becoming northwest 15 to 20 mph after midnight.

SUNDAY
Mostly sunny. Highs in the lower 50s. Northwest winds 15 to 20 mph with gusts up to 30 mph.

SUNDAY NIGHT
Mostly clear. Lows in the mid 30s. Northwest winds 10 to 15 mph, becoming west around 5 mph after midnight.

MONDAY
Sunny. Highs in the upper 50s.

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

TUESDAY
Mostly sunny. Highs in the mid 60s.

TUESDAY NIGHT
Mostly clear. Lows in the lower 40s.

WEDNESDAY
Sunny. Highs in the upper 50s.

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

THURSDAY
Mostly sunny. Highs in the mid 50s.

THURSDAY NIGHT
Partly cloudy. Lows in the lower 40s.

FRIDAY
Mostly 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 
                   OCT 25-29 OCT 27-NOV 2    OCT       OCT-DEC                      
                 -----------  -----------  --------  ---------
   Temperature:      Below        Below                                            
 Precipitation:      Above        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 October 19, 2018 the 292th Day of Year

---------------------------------------------------
SUN
Declination -10.310000
Distance 0.999721 AU
Rise 07:29 EDT Set 18:32 EDT
Transit Meridian 13:00 EDT
Civil Twilight Begins 07:03 EDT Ends 18:58 EDT

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

///////////////////////////
OCTOBER 19TH
HISTORIC WEATHER EVENTS
...1844...
The famous "Lower Great Lakes Storm" occurred. Southwesterly winds were at
hurricane force for five hours, driving lake waters into downtown Buffalo
NY. The storm drowned 200 persons. (David Ludlum)
...1961...
Rain changed to a record early season, heavy wet snow over the southern
mountains of West Virginia. Leaves were still on trees, resulting in the
worst forest disaster since the fires of 1952 and 953. One to two feet of
snow fell near Summersville and Richwood. (19th-20th) (The Weather Channel)
...1984...
Thunderstorms deluged the town of Odem TX (located 15 miles northwest of
Corpus Christi) with 25 inches of rain in just three and a half hours. Most
businesses in Odem were flooded, as were 1000 homes in nearby Sinton. (The
Weather Channel)
...1987...
A cold front brought rainshowers to parts of the central U.S., and ushered
cool Canadian air into the Great Plains Region. Daytime highs were only in
the 30s in North Dakota and eastern Montana. (The National Weather Summary)
...1988...
Thunderstorms produced high winds in eastern Colorado, with gusts to 63 mph
reported at La Junta. (Storm Data) (The National Weather Summary)
...1989...
Record breaking snows fell across northern and central Indiana. Totals
ranged up to 10.5 inches at Kokomo, and 9.3 inches was reported at
Indianapolis. The 8.8 inch total at South Bend was a record for the month
as a whole. Up to seven inches of snow fell in extreme southern Lower
Michigan, and up to six inches fell in southwestern Ohio. The heavy wet
snow downed many trees and power lines. Half the city of Cincinnati OH was
without electricity during the morning hours. Temperatures dipped below
freezing across much of the Great Plains Region. Twenty cities, including
fourteen in Texas, reported record low temperatures for the date. North
Platte NE reported a record low of 11 degrees. In Florida, four cities
reported record high temperatures for the date. The record high of 92
degrees at Miami also marked a record fourteen days of 90 degree weather in
October, and 116 such days for the year. (The National Weather Summary)


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