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
510 PM EDT Sun Jul 22 2018
Scattered showers and thunderstorms will pass across the region
this evening and through the night as a deep upper level low
pressure system drifts slowly eastward from the central Ohio
River valley. Some storms may be slow moving, leading to prolonged
periods of locally heavy rain. Storms may also produce gusty winds
and small hail. Overnight temperatures will be mainly in the 60s,
perhaps holding around 70 in spots across the Southside of
Virginia. Additional showers and thunderstorms can be expected on
Monday. Afternoon high temperatures will hold in the 70s for most
of the region, possibly reaching the low 80s across eastern portions
of the Piedmont.
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 AMHERST County
SWR not available
Current Agricultural Weather Conditions in Virginia
Based on observations at 1200am EDT, Monday July 23, 2018
Across Virginia...temperatures are near 72 degrees north, near 74 degrees central, and near 69 degrees south. Current sky conditions are mostly cloudy north, cloudy central, and mostly cloudy south. In the north, relative humidity is near 97%, and the dew point is near 71 degrees. In the central part of the state, relative humidity is near 91%, and the dew point is near 71 degrees. In the south, relative humidity is near 100%, and the dew point is near 69 degrees. The livestock heat stress category is no stress north, no stress central, and no stress south. Winds are calm north, where conditions are favorable for spraying. Winds are from the east at 5 mph central, where conditions are favorable for spraying. Winds are from the northeast at 9 mph south, where conditions are favorable for spraying. Based on current available observations, the highest temperature is 79 degrees at Wallops Island. The lowest temperature is MOCLDY 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.
All NWS Radars (In near-real time),
Current Livestock Heat Stress Index (LSI),
Current Wind Chill Map
Hazardous Weather Outlook For AMHERST County,VA
323 PM EDT Sun Jul 22 2018
DAY ONE This afternoon and tonight.
A marginal risk for flash flooding exists across the entire forecast
area, especially this afternoon and tonight. The threat for severe
thunderstorms is low.
DAYS TWO THROUGH SEVEN Monday through Saturday.
A slight risk for flash flooding exists across the most of the
forecast area Monday and Tuesday, which may persist into Wednesday
as a deep upper low pressure area lingers across the Mid- Atlantic
region. The threat for severe thunderstorms is low through the
SPOTTER INFORMATION STATEMENT
Spotter activation is not expected at this time.
NWS Severe Weather Map , Convective Outlook
7-Day Forecast For AMHERST County, VA
130 AM EDT Mon Jul 23 2018
REST OF TONIGHT
Showers likely with a slight chance of
thunderstorms. Patchy fog. Near steady temperature in the upper
60s. Northeast winds around 10 mph. Chance of rain 60 percent.
MONDAY Patchy fog in the morning. Showers likely. A chance of
thunderstorms in the morning, then thunderstorms likely in the
afternoon. Highs around 80. East winds 10 to 15 mph. Chance of
rain 70 percent.
MONDAY NIGHT Showers and thunderstorms. Lows in the upper 60s.
East winds around 10 mph with gusts up to 20 mph. Chance of rain
TUESDAY Showers. Thunderstorms, mainly in the morning. Highs
in the upper 70s. Southeast winds around 10 mph with gusts up to
25 mph. Chance of rain near 100 percent.
TUESDAY NIGHT A chance of thunderstorms in the evening.
Showers. Lows in the upper 60s. Southeast winds around 10 mph.
Chance of rain near 100 percent.
WEDNESDAY Showers with thunderstorms likely. Highs in the
upper 70s. Chance of rain 90 percent.
WEDNESDAY NIGHT Cloudy. Showers and thunderstorms likely in
the evening, then a chance of showers after midnight. Lows in the
upper 60s. Chance of rain 70 percent.
THURSDAY Mostly cloudy in the morning, then partly sunny with
showers and thunderstorms likely in the afternoon. Highs in the
mid 80s. Chance of rain 70 percent.
THURSDAY NIGHT Mostly cloudy with showers and thunderstorms
likely in the evening, then partly cloudy after midnight. Lows in
the upper 60s. Chance of rain 70 percent.
FRIDAY AND FRIDAY NIGHT Partly cloudy. A chance of showers and
thunderstorms. Highs in the upper 80s. Lows in the upper 60s.
Chance of rain 30 percent.
SATURDAY AND SATURDAY NIGHT Mostly cloudy. A chance of showers
and thunderstorms. Highs in the mid 80s. Lows in the upper 60s.
Chance of rain 50 percent.
SUNDAY Showers and thunderstorms likely. Highs in the lower
80s. Chance of rain 70 percent.
12-48 Hr Surface Forecast Maps,
TWC 4-Panel Surface Forecast,
Day 1 Precip,
Day 2 Precip,
Days 1-5 Precip,
Severe Weather Pot.-Day 1,
Medium & Long Range Outlook For Virginia
6 TO 10 DAY 8 TO 14 DAY 30 DAY 90 DAY
JUL 28-AUG 1 JUL 30-AUG 5 JUL JUL-SEP
----------- ----------- -------- ---------
Temperature: Normal Normal Above 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 ,
Monday July 23, 2018 the 204th Day of Year
Distance 0.999716 AU
Rise 06:12 EDT Set 20:33 EDT
Transit Meridian 13:22 EDT
Civil Twilight Begins 05:43 EDT Ends 21:01 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
JULY 23RD...HISTORIC WEATHER EVENTS
A weather diary kept by George Washington recorded that the center of a
hurricane passed directly over his Mount Vernon home. The hurricane crossed
eastern North Carolina and Virginia before moving into the Central
Appalachians. Norfolk VA reported houses destroyed, trees uprooted, and
crops leveled to the ground. (David Ludlum)
A two hour thunderstorm deluged Atlanta GA with 4.32 inches of rain. More
than a foot of water flooded Union Depot. Many street car motors burned out
while trying to run through flooded streets. It grew so dark before the
afternoon storm that gas lights were needed. (The Weather Channel)
Sheridan WY was drenched with 4.41 inches of rain, an all-time 24 hour
record for that location. Associated flooding washed out 20 miles of
railroad track. (22nd-23rd) (The Weather Channel)
Thunderstorms produced a record ten inches of rain in six and a half hours
at Minneapolis MN, including 5.26 inches in two hours. Flash flooding
claimed two lives and caused 21.3 million dollars damage. Streets in
Minneapolis became rushing rivers, parking lots became lakes, and storm
sewers spouted like geysers. A tornado hit Maple Grove MN causing five
million dollars damage. Baseball size hail was reported at Olivia MN. (The
National Weather Summary) (Storm Data)
Thunderstorms produced severe weather in Lower Michigan and northern Ohio,
over eastern sections of the Dakotas, and over the Central High Plains
Region. Showers and thunderstorms soaked Wilmington NC with another two
inches of rain, following six and a half inches the previous day. (The
National Weather Summary)
Morning thunderstorms in the central U.S. drenched central Oklahoma with up
to six inches of rain. Afternoon thunderstorms produced wind gusts to 85
mph at Fort Smith AR. Evening thunderstorms over Florida spawned a tornado
which touched down three times in south Fort Myers causing nearly three
quarters of a million dollars damage. (The National Weather Summary) (Storm
Ag Weather Center, Department of Biosystems & Agricultural Engineering, University of Kentucky