Nelson County, KY Weather And Climate Synopsis

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Weather Summary County Ag Weather Advisory Hourly Observations Nowcast 7 Day Forecast Medium & Long Range Outlook
Precipitation Report Kentucky Climate Summary GIS Estimates Almanac Precision Ag., Lawn & Garden Forecast Historical Facts

Palmer Drought Index

Crop Moisture Index
Also see:

NWS: Calculated Soil Moisture.
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A joint service of the UK Ag Weather Center and the National Weather Service.

Updated Thursday Morning, September 16, 2021

Above normal temps and low rain chances through weekend

Outside of an isolated shower closer to the Tennessee border, look for most to run dry today. Highs will hit the low to middle 80s with increased humidity. Warm and humid days will continue the rest of the week, along with daily rounds of isolated to scattered activity during the heat of the day. Look for coverage to expand early next workweek.

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Regional Hourly Observations For NELSON County, Kentucky
Issued at 300 AM EDT FRI SEP 17 2021
LOUISVILLE/SDF CLEAR     73  67  81 SE5       30.06F                  
LOUISVILLE/LOU CLEAR     72  67  84 E3        30.07S                  
FORT KNOX      CLEAR     66  66  99 CALM      30.06S                  

KY Round-up, Current Temperatures, Dewpoint, Rh, Wind, Regional Obs., Station Model, NWS Louisville
Meteograms: Paducah , Evansville , Bowling Green , Hopkinsville , Frankfort , Louisville , Lexington , Covington , Jackson , London , About Meteograms

Current Agriculture, Lawn & Garden Weather Conditions in Kentucky
Based on observations at 300am EDT, Friday September 17, 2021

Across Kentucky...temperatures are near 68 degrees west, near 68 degrees central, and near 68 degrees east. Current sky conditions are clear west, clear central, and clear east. In the west, relative humidity is near 90%, and the dew point is near 65 degrees. In the central part of the state, relative humidity is near 93%, and the dew point is near 66 degrees. In the east, relative humidity is near 90%, and the dew point is near 65 degrees. Current drying conditions are poor west, poor central, and poor east. The livestock heat stress category is no stress west, no stress central, and no stress east. There is patchy fog west. Winds are calm west, where conditions are favorable for spraying. Winds are from the southeast at 3 mph central, where conditions are favorable for spraying. Winds are calm east, where conditions are favorable for spraying. Based on current available observations, the highest temperature is 73 degrees at Louisville International. The lowest temperature is 66 degrees at Somerset, London, and Fort Knox.

List of Agriculture, Lawn & Garden Weather Observations in Kentucky

UKAWC Radar, NWS Radar (NEW!), SPC Radar, SkyWarn, NEXRAD,
Hazardous Weather Outlook For NELSON County, Kentucky
317 AM EDT Fri Sep 17 2021 /217 AM CDT Fri Sep 17 2021/

 DAY ONE  Today and Tonight.

No hazardous weather is expected at this time.

 DAYS TWO THROUGH SEVEN  Saturday through Thursday.

Isolated to scattered thunderstorms will be possible through the
weekend. Greater chances for storms then return Monday and Tuesday 
ahead of a cold front. Main hazards with thunderstorms will be 
locally heavy rainfall and lightning. 


Spotter activation will not be needed.

NWS Severe Weather Map , Convective Outlook

7-Day Forecast For NELSON County, KY
311 AM EDT Fri Sep 17 2021

Mostly sunny in the morning, then partly cloudy with a 20 percent chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. South winds up to 5 mph.

Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the mid 60s. Southeast winds up to 5 mph.

Partly cloudy with a 30 percent chance of showers and thunderstorms. Highs in the mid 80s. East winds up to 5 mph.

Partly cloudy. Lows in the mid 60s. East winds up to 5 mph.

Partly cloudy with a 30 percent chance of showers. Highs in the mid 80s. East winds up to 10 mph.

Mostly cloudy with a 40 percent chance of showers and thunderstorms. Lows in the upper 60s.

Showers and slight chance of thunderstorms. Highs in the upper 70s. Chance of precipitation 80 percent.

Partly cloudy with a 50 percent chance of showers. Lows in the mid 60s.

Showers likely and chance of thunderstorms. Highs in the upper 70s. Chance of precipitation 70 percent.

Partly cloudy with chance of showers and slight chance of thunderstorms. Lows around 60. Chance of precipitation 50 percent.

Partly cloudy with a 50 percent chance of showers. Highs in the lower 70s.

Mostly clear with a 20 percent chance of showers. Lows in the upper 40s.

Mostly sunny. Highs in the upper 60s.

Day 1 Precip, Day 2, 5 Day Total, Days 1-5, ALL

Medium & Long Range Outlook For NELSON County, Kentucky
                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY 
                   SEP 22-26    SEP 24-30    JUN       JUN-AUG                      
                 -----------  -----------  --------  ---------
   Temperature:     Normal       Normal     Normal      Above                      
 Precipitation:     Normal        Below      Above      Above                      

....  Medium and long range outlooks provided by NCEP/K. Thomas Priddy
TWC Jet, 15-Day Jet,Trend, Max/Mins
6 to 10 Day , 8 to 14 Day , Text, 30-Day Outook, 90-Day Outook, 120-Day Outlook

Drought Status For NELSON County, Kentucky
(Based on the latest Palmer Drought Severity and Crop Moisture Indices)

Hydrological Drought (PDSI) Situation:

Current Long-term Hydrological Moisture Status: NEAR NORMAL           (PDSI=  -0.23)
Rainfall Needed:  0.00 inches ABOVE NORMAL

Crop Moisture (CMI) Situation:

Current Short-term Crop Moisture Status: Favorable For Normal Growth And Fieldwork    (CMI=   0.14)
Change From Previous Week: DRIER      SOILS ( -0.19)

Note: Due to rainfall variability within each climate division, check Precip Reports/GIS Estimates and the Kentucky Climate Summary for the latest moisture information for this county.

Additional Drought Info.: UKAWC Drought Page

Kentucky Climate Summary
Kentucky Climate Summary
For the Period 09-09-2021 to 09-15-2021

Temperatures for the period averaged 71 degrees across the state which was 0 degrees from normal and 2 degrees warmer than the previous period. High temperatures averaged from 85 in the West to 80 in the East. Departure from normal high temperatures ranged from 1 degrees warmer than normal in the West to 2 degrees cooler than normal in the East. Low temperatures averaged from 62 degrees in the West to 60 degrees in the East. Departure from normal low temperature ranged from 2 degrees warmer than normal in the West to 3 degrees warmer than normal in the East. The extreme high temperature for the period was 92 degrees at MADISONVILLE 4S and the extreme low was 48 degrees at MONTICELLO AWOS.

Precipitation (liq. equ.) for the period totaled 0.61 inches statewide which was 0.23 inches below normal and 73% of normal. Precipitation totals by climate division, West 0.12 inches, Central 1.02 inches, Bluegrass 0.53 inches and East 0.78 inches, which was -0.73, 0.09, -0.23 and -0.03 inches respectively from normal. By station, precipitation totals ranged from a low of 0.00 inches at CARROLLTON 2E to a high of 3.46 inches at MOREHEAD 4NE.

Kentucky Climate Summaries: Last day, Last 3 days, 7 days, 14, 21, 30, 60, 90 days
Yesterday's Weather Data, Kentucky Climate in Review

Almanac Information
Friday September 17, 2021 the 260th Day of Year

Declination 1.770000
Distance 0.999719 AU
Rise 07:22 EDT Set 19:42 EDT
Transit Meridian 13:32 EDT
Civil Twilight Begins 06:57 EDT Ends 20:07 EDT

Normal Max/Min Temperature for Today: 79 / 56

Calculations made for central point in Kentucky
Time in ET -- and will vary due to location and
elevation -- Priddy

Sunrise/Sunset/Moonrise/Moonset Computation (USN)
What the Moon looks like right now (USN)

On This Day In

Weather History...

Concord NH was drenched with 5.97 inches of rain in 24 hours to establish a
record for that location (16th- 17th). (The Weather Channel)
Nearly two and a half inches of rain fell at Yuma AZ in 24 hours. It was
the most intense rain for Yuma during the period between 1909 and 1977.
(The Weather Channel)
A storm produced a band of heavy snow across parts of Wyoming. Totals of 23
inches at Rawlins and 20.7 inches at Lander easily surpassed previous
snowfall record totals for so early in the season. (15th-17th) (The Weather
Thunderstorms produced large hail, damaging winds, and heavy rain in the
northeastern U.S. Heavy rain in southwestern Pennsylvania forced evacuation
of twenty homes along Four Mile Run Creek, near Darlington. Harrisburg PA
established a record for the date with 2.11 inches of rain. A cold front in
the central U.S. brought freezing temperatures to parts of Montana and
Wyoming. (The National Weather Summary) (Storm Data)
Early in the morning a tornado hit Kelly Air Force Base in San Antonio TX
injuring three persons and causing twenty-eight million dollars damage. A
second tornado on the northwest side of San Antonio caused six million
dollars damage, and a third tornado in Bexar County killed one person and
injured another. Thunderstorms associated with Hurricane Gilbert spawned a
total of forty-seven tornadoes in a two day period, with forty of those
tornadoes in central and south central Texas. (Storm Data) (The National
Weather Summary)
Hurricane Hugo hit the Virgin Islands, producing wind gusts to 97 mph at
Saint Croix. Hurricane Hugo passed directly over the island of Saint Croix
causing complete devastation and essentially cutting off the island from
communications. A storm surge of five to seven feet occurred at Saint
Croix. The only rain gauge left operating, at Caneel Bay, indicated 9.40
inches in 24 hours. Hurricane Hugo claimed the lives of three persons at
Saint Croix, and caused more than 500 million dollars damage. A ship,
Nightcap, in the harbor of Culebra, measured wind gusts as high as 170 mph.
A cold front brought high winds to the Great Basin and the Rocky Mountain
Region, and thunderstorms along the cold front produced wind gusts to 66
mph at Yellowstone Park WY. (Storm Data) (The National Weather Summary)
UKAWC Briefing Page

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