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Washington, 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
445 PM EDT Mon Mar 19 2018

Low pressure over the central Plains will cross east over the 
Tennessee Valley and central Appalachians on Tuesday. The low 
will then deepen off the coast and track northeast Wednesday and
Thursday. Accumulating snowfall can be expected in most
areas beginning Tuesday night into Wednesday, with the biggest 
totals in the higher elevations. High pressure will cover much of 
the eastern United States on Friday.

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 WASHINGTON County
100 AM EDT TUE MAR 20 2018

WISE*          LGT RAIN  52  52 100 S14G20    29.56F                  
JONESVILLE*    MOCLDY    54  54 100 CALM      29.56F                  
ABINGDON*      LGT RAIN  54  54  99 E8        29.59F                  
BRISTOL        RAIN      53  53 100 E3        29.58F FOG              
MORRISTOWN*    CLOUDY    55  55 100 SE7       29.55F                  
SEVIERVILLE*   CLOUDY    55  55 100 CALM      29.55F                  
KNOXVILLE      CLOUDY    57  57 100 E3        29.54F                  
LAFOLLETTE*    CLOUDY    55  55 100 NE5       29.57S                  
OAK RIDGE      CLOUDY    59  59 100 CALM      29.55F                  
CROSSVILLE     FOG       51  50  96 CALM      29.55F VSB 3/4          
NASHVILLE      CLOUDY    58  54  86 VRB3      29.54S                  

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

Current Agricultural Weather Conditions in Virginia
Based on observations at 100am EDT, Tuesday March 20, 2018

Across Virginia...temperatures are near 44 degrees north, near 46 degrees central, and near 50 degrees south. Current sky conditions are cloudy north, light rain central, and light rain south. In the north, relative humidity is near 62%, and the dew point is near 32 degrees. In the central part of the state, relative humidity is near 79%, and the dew point is near 40 degrees. In the south, relative humidity is near 86%, and the dew point is near 46 degrees. Winds are from the east at 10 mph north, where conditions are favorable for spraying. Winds are from the northeast at 8 mph central, where conditions are not favorable for spraying due to light rain. Winds are from the northeast at 12 mph south, where conditions are not favorable for spraying due to light rain. Based on current available observations, the highest temperature is 50 degrees at Danville. The lowest temperature is LGT 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 WASHINGTON County,VA

320 PM EDT Mon Mar 19 2018 /220 PM CDT Mon Mar 19 2018/

 DAY ONE  This evening and Tonight

   Severe Thunderstorms expected this evening across the Plateau,
parts of the central and southern Tennessee Valley, and southwest
North Carolina  

A strong storm system will move across the Southern Appalachian 
Region with southerly winds pulling warm, moist and unstable air 
into the Tennessee Valley. Severe thunderstorms will move into 
the Plateau, southeast and central sections of the Tennessee 
Valley, and southwest North Carolina this evening. The main threat
being tornadoes, damaging winds, and hail. 

There is a potential of isolated strong tornadoes across the 
southern Plateau and southeast Tennessee. 

Besides the potential severe storms, the low-level winds may 
produce strong  gusty winds across the Smoky Mountains this 
evening. Southerly winds of 15 to 30 mph with gusts to 40 mph are 
possible. A Wind Advisory has been issued for this area.

 DAYS TWO THROUGH SEVEN  Tuesday through Sunday

   Rain Changing to Snow Showers across the Higher Elevations 
Tuesday Night through Wednesday Night  

A cold front will move across the Tennessee Valley and southern
Appalachians Tuesday with colder air spilling into the region. 
For Tuesday Night through Wednesday Night, the colder air will 
move into the southern Appalachians with the rain changing to snow
showers across the higher elevations, generally above 2500 feet. 
Snow accumulations are possible across the higher elevations, such
as the Smoky Mountains and High Knob, Virginia.

Anyone planning on venturing out across the higher terrain, such
as hikers, should plan for wintry conditions with temperatures
dropping into the upper teens and middle 20s, windy conditions, 
snow packed and icy trails. Best to delay venturing out across 
the mountainous areas of the southern Appalachians. 


Spotter activation may be needed this evening.

NWS Severe Weather Map , Convective Outlook

7-Day Forecast For WASHINGTON County, VA
Issued at 1104 PM EDT Mon Mar 19 2018

Showers through the night and a slight chance of thunderstorms after midnight. Lows in the upper 40s. Southeast winds 5 to 15 mph. Chance of rain 80 percent.

Showers likely in the morning, then showers in the afternoon. Highs in the mid 50s. Southwest winds 10 mph or less. Chance of rain 90 percent.

Rain in the evening, then rain and snow after midnight. Colder. Snow accumulation up to 1 inch. Lows in the lower to mid 30s. West winds 5 to 15 mph. Chance of precipitation 80 percent.

Cloudy with snow and rain likely. Colder. Light snow accumulation possible. Highs in the upper 30s to lower 40s. Northwest winds 10 to 15 mph. Chance of precipitation 70 percent.

Mostly cloudy. A chance of snow and rain in the evening, then a chance of snow after midnight. Lows in the mid 20s. Northwest winds 5 to 15 mph. Chance of precipitation 30 percent.

Sunny. Highs in the lower to mid 40s.

Mostly clear. Lows in the mid 20s.

Mostly sunny. Highs in the upper 40s to lower 50s.

Mostly cloudy with a 40 percent chance of rain. Lows in the mid 30s.

Cloudy with rain showers likely. Highs in the mid to upper 50s. Chance of rain 70 percent.

Mostly cloudy with rain showers likely. Lows around 40. Chance of rain 70 percent.

Partly sunny with a 40 percent chance of rain showers. Highs in the mid to upper 50s.

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

Mostly cloudy with a 50 percent chance of rain showers. Highs in the mid to 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 Virginia
                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY 
                   MAR 25-29 MAR 27-APR 2    MAR       MAR-MAY                      
                 -----------  -----------  --------  ---------
   Temperature:     Normal       Normal     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

Tuesday March 20, 2018 the 79th Day of Year

Declination 0.220000
Distance 0.999721 AU
Rise 06:19 EDT Set 18:28 EDT
Transit Meridian 12:23 EDT
Civil Twilight Begins 05:53 EDT Ends 18:54 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

A tornado (unofficially F2) struck the north side of Lexington, KY destroying 
barns and a roundhouse. (NWS Louisville)
A late winter storm in Oklahoma produced nearly a foot of snow at Oklahoma
City and at Tulsa. (David Ludlum)
The city of Juneau received 31 inches of snow in 24 hours, a record for the
Alaska capitol. (20th-21st) (David Ludlum)
A severe three day winter storm came to an end over the Central Plains. The
storm produced up to twenty inches of snow in Colorado, Nebraska and
Kansas, and left a thick coat of ice from eastern Kansas across
northwestern Missouri into Iowa. (Storm Data)

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