A joint service of the UK Ag Weather Center and the National Weather Service.
National Weather Service Nashville TN
539 PM CDT Thu Apr 18 2024
...New AVIATION...
.SHORT TERM...
(Rest of today through Friday)
Issued at 1157 AM CDT Thu Apr 18 2024
We started off cloudy this morning, but the clouds have been
breaking up and we expect temps to take off into the low to mid
80s this afternoon. As temps warm, the atmosphere will destabilize
with capes rising to 1000-2000 J/kg by late afternoon. This will
set the stage for development of showers and thunderstorms.
The first storms will form late this afternoon and evening as
an impulse moves northeast from the Southern Ms Valley. This
impulse will bring a first round of scattered thunderstorms
starting as early as 3 PM in our western counties, with storms
peaking in coverage and intensity from 7 PM to 10 PM. Later this
evening, another batch of thunderstorms in the form of a
weakening QLCS will come from the west ahead of a cold front.
Each of these rounds of storms has the potential to produce severe
wx, although latest models are not very impressive bringing shear
and instability together. Generally, the greatest thunderstorm
coverage and severe potential will exist west of I-65. It looks
like the first batch will arrive with fairly strong cape but weak
to marginal deep layer shear. A handful of warnings may bee issued
for localized wind gusts over 60 mph and severe hail over 1 inch
in diameter. Later in the evening, the instability wanes, but
shear values will become higher as the QLCS approaches. Damaging
wind gusts of 60 mph appear to be the main concern for late
evening and overnight, but a tornado cannot be ruled out for our
far northwest counties. The incoming band of storms may fall apart
pretty quickly while encountering mediocre lapse rates and more
stable surface air, possibly already worked over by early evening
storms.
Otherwise, a few spots may have some brief street flooding with
any heavy downpours this evening. We don't expect widespread
flooding problems.
Showers and few leftover storms will move out Friday morning. We
will be left with mostly cloudy and cooler conditions as a north
breeze drops temps back to normal or a little cooler than normal.
 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 LOUDON County
Current Temperatures,
Dewpoint,
RH,
Wind,
Regional Obs,
Surface 4-Panel
Current Agricultural Weather Conditions in Tennessee
Based on observations at 600pm CDT, Thursday April 18, 2024
Across Tennessee...temperatures are near 72 degrees west and near 83 degrees central. Current sky conditions are light rain west and mostly sunny central. In the west, relative humidity is near 84%, and the dew point is near 67 degrees. In the central part of the state, relative humidity is near 39%, and the dew point is near 56 degrees. Winds are from the southwest at 10 mph west, where conditions are not favorable for spraying due to light rain. Winds are from the south at 15 mph with gusts at 25 mph central, where conditions are not favorable for spraying due to strong winds. Winds are unavailable east. Based on current available observations, the highest temperature is 83 degrees at Nashville. The lowest temperature is 70 degrees at Dyersburg.
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 LOUDON County,TN
255 PM EDT Thu Apr 18 2024 /155 PM CDT Thu Apr 18 2024/
DAY ONE This Afternoon and Tonight
Showers and thunderstorms are expected late tonight into early
Friday morning. Some stronger storms are possible in western
portions of the area with gusty winds and small hail as the main
threats.
DAYS TWO THROUGH SEVEN Friday through Wednesday
Scattered thunderstorms are expected to re-develop by Friday
afternoon with some possibly strong to severe. Damaging winds and
large hail are the main concerns with this round. Afterwards, no
hazardous weather is expected.
SPOTTER INFORMATION STATEMENT
Spotter activation is not needed at this time.
NWS Severe Weather Map , Convective Outlook
7-Day Forecast For LOUDON County, TN
240 PM EDT Thu Apr 18 2024
TONIGHT
Partly cloudy this evening, then showers with a chance
of thunderstorms after midnight. Lows in the lower 60s. Light
winds. Chance of rain 80 percent.
FRIDAY
Patchy fog in the morning. Mostly cloudy with showers
likely with a chance of thunderstorms in the morning, then partly
sunny with a chance of showers and thunderstorms in the
afternoon. Highs in the upper 70s. West winds 5 to 10 mph. Chance
of rain 70 percent.
FRIDAY NIGHT
Mostly cloudy. Less humid with lows in the lower
50s. North winds 5 to 10 mph.
SATURDAY
Mostly cloudy in the morning, then becoming mostly
sunny. Highs in the upper 60s. North winds 5 to 10 mph.
SATURDAY NIGHT
Mostly cloudy. A slight chance of showers after
midnight. Lows in the upper 40s. North winds 5 to 10 mph. Chance
of rain 20 percent.
SUNDAY
Mostly cloudy with a 40 percent chance of showers.
Highs in the upper 50s.
SUNDAY NIGHT
Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the lower 40s.
MONDAY
Sunny. Highs in the upper 60s.
MONDAY NIGHT
Mostly clear. Lows in the lower 40s.
TUESDAY
Mostly sunny. Highs in the mid 70s.
TUESDAY NIGHT
Partly cloudy in the evening, then becoming
mostly cloudy. A 20 percent chance of showers. Lows in the lower
50s.
WEDNESDAY
Mostly sunny. A slight chance of showers in the
morning, then a slight chance of showers and thunderstorms in the
afternoon. Highs in the mid 70s. Chance of rain 20 percent.
WEDNESDAY NIGHT
Partly cloudy. Lows in the upper 40s.
THURSDAY
Mostly sunny. A slight chance of showers in the
afternoon. Highs in the mid 70s. Chance of rain 20 percent.
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 Tennessee
TENNESSEE
---------------------------------------------
6 TO 10 DAY 8 TO 14 DAY 30 DAY 90 DAY
APR 24-28 APR 26-MAY 2 JUN JUN-AUG
----------- ----------- -------- ---------
Temperature:
Precipitation:
.... 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
Thursday April 18, 2024 the 109th Day of Year
---------------------------------------------------
SUN
Declination 11.360000
Distance 0.999719 AU
Rise 07:08 EDT Set 20:24 EDT
Transit Meridian 13:45 EDT
Civil Twilight Begins 06:43 EDT Ends 20:50 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
APRIL 18TH
HISTORIC WEATHER EVENTS
...1880...
More than two dozen tornadoes were reported from Kansas and Arkansas to
Wisconsin and Michigan. More than 100 persons were killed, including 65
persons at Marshfield MO. (David Ludlum)
...1906...
A severe earthquake shook San Francisco, and unusual easterly winds spread
fires destroying the city. (David Ludlum)
...1944...
California experienced its worst hailstorm of record. Damage mounted to two
million dollars as two consecutive storms devastated the Sacramento Valley
destroying the fruit crop. (The Weather Channel)
...1957...
A dust devil near Dracut MA lifted a small child three feet into the air,
and rolled two other children on the ground. Fortunately none of the three
were hurt. The dust devil was accompanied by a loud whistling sound as it
moved westward. (The Weather Channel)
...1970...
Rapid City SD received a record 22 inches of snow in 24 hours. (17th-18th)
(The Weather Channel)
Ag Weather Center, Department of Biosystems & Agricultural Engineering, University of Kentucky
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