Jefferson County, KY Weather And Climate Synopsis


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Palmer Drought Index



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


Updated Monday Evening, March 30, 2020

...Mostly Dry This Week, Except Increase Rain Chances Mostly South On Tuesday...

High temperatures have reached the low to middle 60s today. Low relative humidities combined with a breezy west wind has led to some fire weather conditions for portions of Eastern Kentucky, prompting a Red Flag Warning. Outdoor burning is not recommmended.

After a dry day, rain returns to the area late tonight and through the day tomorrow, ending west to east. This will likely be a light rainfall event with the highest accumulations expected across the southern half of the state with totals around a half inch or so. Decreasing farther north. The rain and cloud cover will keep temperatures much cooler on Tuesday with highs in the upper 40s to low 50s.

Looking ahead, dry weather returns through the end of the work week, along with a gradual warming trend.

Weather Forecast Across The Commonwealth Of Kentucky

Western KY:
Central KY:
Eastern KY:

Specific and detailed farm-by-farm weather forecast information is available in your
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Regional Hourly Observations For JEFFERSON County, Kentucky
Issued at 800 PM EDT MON MAR 30 2020
NORTH CENTRAL KENTUCKY
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LOUISVILLE/SDF MOCLDY    59  31  34 NW8       30.08S                  
LOUISVILLE/LOU FAIR      60  28  29 NW6       30.08S                  
FORT KNOX      FAIR      58  27  30 NW5       30.10R                  

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 800pm EDT, Monday March 30, 2020

Across Kentucky...temperatures are near 62 degrees west, near 54 degrees central, and near 58 degrees east. Current sky conditions are fair west, fair central, and fair east. In the west, relative humidity is near 44%, and the dew point is near 40 degrees. In the central part of the state, relative humidity is near 41%, and the dew point is near 31 degrees. In the east, relative humidity is near 33%, and the dew point is near 29 degrees. Current drying conditions are good west, good central, and good east. Winds are calm west, where conditions are favorable for spraying. Winds are from the northwest at 9 mph central, where conditions are favorable for spraying. Winds are unavailable east. The livestock cold stress index is in the no stress category west, no stress category central, and no stress category east. Based on current available observations, the highest temperature is 62 degrees at Paducah. The lowest temperature is 54 degrees at Lexington.

List of Agriculture, Lawn & Garden Weather Observations in Kentucky


Radar:
UKAWC Radar, NWS Radar (NEW!), SPC Radar, SkyWarn, NEXRAD,
Hazardous Weather Outlook For JEFFERSON County, Kentucky
516 PM EDT Mon Mar 30 2020 /416 PM CDT Mon Mar 30 2020/

 DAY ONE  Tonight.

No hazardous weather is expected at this time. 

 DAYS TWO THROUGH SEVEN  Tuesday through Sunday.

No hazardous weather is expected at this time.

 SPOTTER INFORMATION STATEMENT  

Spotter activation is not anticipated at this time.

NWS Severe Weather Map , Convective Outlook


7-Day Forecast For JEFFERSON County, KY
308 PM EDT Mon Mar 30 2020

TONIGHT
Partly cloudy in the evening then becoming mostly cloudy. Lows around 40. Northwest winds up to 10 mph shifting to the northeast after midnight.

TUESDAY
Cloudy with a 20 percent chance of rain. Highs in the lower 50s. Northeast winds 5 to 10 mph.

TUESDAY NIGHT
Partly cloudy. Lows in the upper 30s. North winds 5 to 10 mph.

WEDNESDAY
Partly cloudy. Highs in the mid 50s. North winds 5 to 10 mph.

WEDNESDAY NIGHT
Partly cloudy. Lows in the upper 30s. North winds up to 5 mph.

THURSDAY
Partly cloudy. Highs in the mid 60s.

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

FRIDAY
Partly cloudy. Highs in the upper 60s.

FRIDAY NIGHT
Partly cloudy. Lows in the upper 40s.

SATURDAY
Partly cloudy with a 20 percent chance of showers. Highs in the upper 60s.

SATURDAY NIGHT
Partly cloudy with a 30 percent chance of showers. Lows in the upper 40s.

SUNDAY
Partly cloudy with a 40 percent chance of showers. Highs in the upper 60s.

SUNDAY NIGHT
Partly cloudy with a 40 percent chance of showers. Lows in the lower 50s.

MONDAY
Partly cloudy with a 40 percent chance of showers. Highs in the upper 60s.

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


Medium & Long Range Outlook For JEFFERSON County, Kentucky
                             KENTUCKY                                                                     
                 ---------------------------------------------
                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY 
                 APR 5-APR 9 APR 7-APR 13    MAR       MAR-MAY                      
                 -----------  -----------  --------  ---------
   Temperature:      Above        Above      Below      Above                      
 Precipitation:      Above        Above      Below      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 JEFFERSON County, Kentucky
(Based on the latest Palmer Drought Severity and Crop Moisture Indices)
CENTRAL   KY CLIMATE DIVISION

Hydrological Drought (PDSI) Situation:
------------------------------------------------------------------------------------

Current Long-term Hydrological Moisture Status: EXTREME MOIST SPELL   (PDSI=   4.23)
Rainfall Needed:  0.00 inches ABOVE NORMAL


Crop Moisture (CMI) Situation:
----------------------------------------------------------------------------------------------------------

Current Short-term Crop Moisture Status: Too Wet, Some Standing Water                 (CMI=   2.73)
Change From Previous Week: WETTER     SOILS (  0.66)

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 03-23-2020 to 03-29-2020

Temperatures for the period averaged 59 degrees across the state which was 10 degrees warmer than normal and 8 degrees warmer than the previous period. High temperatures averaged from 68 in the West to 69 in the East. Departure from normal high temperatures ranged from 5 degrees warmer than normal in the West to 7 degrees warmer than normal in the East. Low temperatures averaged from 52 degrees in the West to 51 degrees in the East. Departure from normal low temperature ranged from 12 degrees warmer than normal in the West to 16 degrees warmer than normal in the East. The extreme high temperature for the period was 88 degrees at LOUISA 1S and the extreme low was 32 degrees at PAINTSVILLE 4W.

Precipitation (liq. equ.) for the period totaled 1.09 inches statewide which was 0.06 inches above normal and 106% of normal. Precipitation totals by climate division, West 0.97 inches, Central 1.07 inches, Bluegrass 0.83 inches and East 1.48 inches, which was -0.14, -0.02, -0.10 and 0.48 inches respectively from normal. By station, precipitation totals ranged from a low of 0.27 inches at HARDINSBURG 5SW to a high of 2.71 inches at BARBOURVILLE 3E.

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


EUROPEAN CORN BORER DEGREE DAYS

CURRENT WESTERN CORN ROOTWORM DEGREE DAY TOTALS AND
PREDICTED DATES FOR CERTAIN SPECIFIC VALUES.

REAL data are used through 20200329
.
Beyond 20200329
The nearest available weather station for Jefferson County is Louisville:

, NORMAL data are used (adjusted by forecast values).

                               --------- IMPORTANT DEGREE DAY VALUES --------

                                            G E N E R A T I O N S
                  CURRENT     OVERWINTERING    ------- FIRST ------   SECOND
Louisville           277       NA      NA      NA      NA      NA      NA   
Note: A0 signifies already occurred.
Insect Degree Day Accumulation Calc

Insect Degree Day Accumulation Map


ALFALFA WEEVIL DEGREE DAYS

CURRENT WESTERN CORN ROOTWORM DEGREE DAY TOTALS AND
PREDICTED DATES FOR CERTAIN SPECIFIC VALUES.

The nearest available weather station for Jefferson County is Louisville:
REAL data are used through 20200329
.
Beyond 20200329
, NORMAL data are used (adjusted by forecast values).

                  CURRENT              IMPORTANT DEGREE DAY VALUES        
Louisville           340       AO      AO      AO      AO      NA      NA   
Note: A0 signifies already occurred.

Insect Degree Day Accumulation Calc

Insect Degree Day Accumulation Map


WESTERN CORN ROOTWORM DEGREE DAYS

CURRENT WESTERN CORN ROOTWORM DEGREE DAY TOTALS AND
PREDICTED DATES FOR CERTAIN SPECIFIC VALUES.

The nearest available weather station for Jefferson County is Louisville:

REAL data are used through 20200329
.
Beyond 20200329
, NORMAL data are used (adjusted by forecast values).

                          --- IMPORTANT DEGREE DAY VALUES ---
Louisville           224       NA   
Note: A0 signifies already occurred.
Insect Degree Day Accumulation Calc

Insect Degree Day Accumulation Map


Almanac Information
Monday March 30, 2020 the 90th Day of Year

---------------------------------------------------
SUN
Declination 4.350000
Distance 0.999720 AU
Rise 06:25 EDT Set 19:01 EDT
Transit Meridian 12:42 EDT
Civil Twilight Begins 06:00 EDT Ends 19:26 EDT

---------------------------------------------------
Normal Max/Min Temperature for Today: 63 / 39
---------------------------------------------------


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...



MARCH 30TH
HISTORIC WEATHER EVENTS
...1823...
A great Northeast storm with hurricane force winds raged from Pennsylvania
to Maine. The storm was most severe over New Jersey with high tides,
uprooted trees, and heavy snow inland. (David Ludlum)
...1899...
A storm which buried Ruby CO under 141 inches of snow came to an end. Ruby
was an old abandoned mining town on the Elk Mountain Range in the Crested
Butte area. (The Weather Channel)
...1977...
Hartford CT hit 87 degrees to establish a record for the month of March.
(The Weather Channel)
UKAWC Briefing Page

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