1st Responders/1st Detectors/Storm Spotters Weather Summary for Jefferson County, KY

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Jefferson County, KY Hazardous Weather Outlook Webcast
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UKAWC 1st Detectors/1st Responders Precision Weather Forecast For JEFFERSON County, Kentucky
(based on the NWS County Digital Forecast)

ISSUED AT 04:00 UTC ON FRIDAY APR 26 2024
DAY FRIDAY
EDT 3HR 1A 2A 3A 4A 5A 6A 7A 8A 9A 10A 11A NOON 1P 2P 3P 4P 5P 6P 7P
MAX/MIN -- -- -- -- -- -- -- 43° -- -- -- -- -- -- -- -- -- -- 74°
TEMP 47° 47° 45° 45° 45° 45° 43° 45° 49° 56° 61° 65° 67° 68° 70° 70° 70° 72° 70°
SKY COVER 61% 57% 52% 42% 36% 24% 28% 28% 29% 29% 33% 47% 66% 85% 85% 81% 80% 73% 68%
Clouds
DEW PT 36° 36° 34° 34° 34° 34° 34° 36° 40° 43° 45° 49° 52° 52° 54° 56° 56° 56° 56°
RH 63% 65% 65% 67% 65% 68% 70% 67% 67% 59% 55% 53% 56% 56% 57% 59% 61% 55% 60%
POP 12HR -- -- -- -- -- -- -- 2% -- -- -- -- -- -- -- -- -- -- --
RAIN/SNOW (liq.equ) -- 0.00in -- -- -- -- -- 0.00in -- -- -- -- -- 0.00in -- -- -- -- --
SNOWFALL -- 0in -- -- -- -- -- 0in -- -- -- -- -- 0in -- -- -- -- --
WIND SPEED(MPH) 7 7 7 7 7 8 8 9 9 9 9 9 9 10 9 10 13 10 9
WIND Gust(MPH) 14 14 14 14 14 14 15 15 15 14 14 15 15 16 16 17 17 17 15
WIND DIR E E E E E E E E E E SE SE S S S S SE SE SE
DEW -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
HeatIndex 44 43 41 40 40 40 38 40 45 56 61 65 67 68 70 70 70 72 70
Rain Showers -- -- -- -- -- -- -- -- -- -- -- -- -- Chance Chance Chance Chance Chance Slight Chance
Thunder Storm -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- Slight Chance Slight Chance Slight Chance
WIND CHILL -- -- 41° 41° 41° 41° 38° 40° -- -- -- -- -- -- -- -- -- -- --
SPRAY COND
DRY COND
LIVESTOCK COLDSTRESS
LIVESTOCK HEATSTRESS 49.40 49.27 47.66 47.50 47.66 47.43 45.61 47.50 50.78 56.63 60.46 63.40 65.02 65.77 67.35 67.47 67.60 68.73 67.54



DAY SATURDAY SUNDAY MONDAY TUESDAY TUE WEDNESDAY THURSDAY
EDT 6HR 8P 9P 10P 11P MIDN 1A 2A 3A 4A 5A 6A 7A 8A 9A 10A 11A NOON 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 2A 8A 2P 8P 2A 8A 2P 8P 2A 8A 2P 8P 2A 8A 2P 8P
MAX/MIN -- -- -- -- -- -- -- -- -- -- -- -- 63° -- -- -- -- -- 81° -- -- -- -- 63° -- -- 83° -- -- 63° 81° -- -- 61° 79° -- -- 58° 81° -- -- 56° 76° --
TEMP 70° 67° 65° 65° 63° 63° 63° 63° 63° 63° 63° 63° 65° 67° 70° 72° 74° 77° 79° 76° 70° 67° 63° 65° 74° 79° 81° 77° 65° 65° 77° 74° 65° 63° 74° 74° 61° 61° 76° 74° 61° 58° 74° 68°
SKY COVER 78% 78% 78% 78% 80% 81% 82% 82% 82% 82% 80% 77% 74% 74% 75% 75% 74% 73% 63% 58% 29% 28% 29% 19% 25% 26% 24% 20% 33% 44% 71% 79% 85% 80% 37% 19% 28% 43% 37% 41% 50% 34% 16% 21%
Clouds
DEW PT 56° 54° 54° 54° 54° 54° 54° 54° 54° 54° 54° 56° 56° 56° 58° 59° 61° 61° 61° 58° 56° 54° 54° 56° 58° 61° 58° 56° 54° 54° 61° 59° 59° 61° 63° 61° 58° 58° 63° 58° 56° 52° 52° 49°
RH 60% 65% 65% 67% 69% 69% 72% 72% 72% 72% 72% 74% 72% 70% 68% 66% 63% 57% 52% 54% 61% 65% 69% 72% 59% 52% 45% 48% 64% 69% 55% 61% 84% 92% 66% 62% 86% 86% 62% 59% 81% 83% 45% 48%
POP 12HR 41% -- -- -- -- -- -- -- -- -- -- -- 23% -- -- -- -- -- -- 7% -- -- -- 2% -- -- -- 4% -- 8% -- 43% -- 74% -- 47% -- 16% -- 29% -- 22% -- 22%
RAIN/SNOW (liq.equ) 0.08in -- -- -- -- -- 0.02in -- -- -- -- -- 0.00in -- -- -- -- 0.00in -- 0.00in -- 0.00in -- 0.00in -- 0.00in -- 0.00in -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
SNOWFALL 0in -- -- -- -- -- 0in -- -- -- -- -- 0in -- -- -- -- 0in -- 0in -- 0in -- 0in -- 0in -- 0in -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
WIND SPEED(MPH) 13 14 15 15 15 15 15 15 15 15 15 15 15 16 16 17 18 21 17 15 15 14 14 14 15 17 17 17 15 15 21 15 9 8 9 7 7 7 10 8 7 9 13 10
WIND DIR SE SE SE S S S S S S S S S S S S S S S S S S S S S S S S S S S S SW SW SW SW W SW S W NW NW N NW N
HeatIndex 70 67 65 65 63 63 63 63 63 63 63 63 65 67 70 72 74 77 79 76 70 67 63 65 74 79 82 77 65 65 77 74 65 63 74 74 61 61 76 74 61 58 74 68
Rain Showers Slight Chance Slight Chance Slight Chance Slight Chance Slight Chance Slight Chance Slight Chance Slight Chance Slight Chance Slight Chance Slight Chance Slight Chance -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- Slight Chance Chance Likely Likely Chance Chance Slight Chance -- Slight Chance Chance Slight Chance Slight Chance Slight Chance Slight Chance --
Thunder Storm Slight Chance Slight Chance Slight Chance Slight Chance Slight Chance Slight Chance Slight Chance Slight Chance Slight Chance Slight Chance Slight Chance Slight Chance -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- Chance Chance Chance Slight Chance Chance Slight Chance -- Slight Chance Chance Slight Chance Slight Chance -- -- --
WIND CHILL -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
SPRAY COND
DRY COND
LIVESTOCK COLDSTRESS
LIVESTOCK HEATSTRESS 67.54 65.42 63.81 63.87 62.28 62.28 62.35 62.35 62.35 62.35 62.35 62.40 64.05 65.65 68.03 69.53 70.91 72.70 73.67 71.65 67.60 65.42 62.28 64.05 70.57 73.67 74.28 71.79 63.77 63.94 72.50 70.74 64.45 62.82 71.16 70.82 60.83 60.83 72.41 70.57 60.77 58.07 69.40 65.37

Click on individual weather variable above in left-hand column (ie., TEMP, RH, QPF 12HR) to view state forecast maps






NWS 48 Hr. Forecast Maps,

Regional Hourly Observations For JEFFERSON County, Kentucky
Issued at 1200 AM EDT FRI APR 26 2024
NORTH CENTRAL KENTUCKY
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LOUISVILLE/SDF CLOUDY    57  37  47 E6        30.18S                  
LOUISVILLE/LOU MOCLDY    53  38  56 NE6       30.19R                  
FORT KNOX      MOCLDY    53  39  60 NE3       30.16S                  


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.


Fire Weather Forecast For JEFFERSON County, KY
Provided by the National Weather Service:

Issued at: Fri Apr 26 00:05:01 EDT 2024

331 PM EDT Thu Apr 25 2024

                      Tonight      Fri          Fri Night    Sat          

CLOUD COVER           Pcldy        Pcldy        Mcldy        Mcldy        
PRECIP TYPE           None         Tstms        Tstms        None         
CHANCE PRECIP (%)     0            40           20           0            
TEMP (24H TREND)      40 (+4)      74 (+10)     62           81           
RH % (24H TREND)      76 (-17)     49 (+11)     76           46           
20FTWND-VAL/AM(MPH)                E  6                      S 12 G23     
20FTWND-RDG/PM(MPH)   Lgt/Var      SE  7        SE 10 G19    S 15 G24     
PRECIP AMOUNT         0.00         0.07         0.06         0.00         
MIXING HGT(FT-AGL/MSL)             3812                      5920         
TRANSPORT WND (MPH)                S 15                      SW 29        
VENT RATE (KT-FT)                  53368                     153920       
DISPERSION                         Good                      Excellent    
DSI                   STBL         SLGT UNSTBL  STBL         SLGT UNSTBL  
LAL                   1            2            3            2            
HAINES INDEX          4            3            3            3            
ADI EARLY             8 POOR       31 FAIR      17 GEN POOR  76 GOOD      
ADI LATE              8 POOR       40 FAIR      18 GEN POOR  117 VERY GOOD
MAX LVORI EARLY       3            3            3            3            
MAX LVORI LATE        3            2            3            1            

REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.        
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.

.SUNDAY...Partly cloudy. Lows in the lower 60s. Highs in the
lower 80s. South winds around 10 mph with gusts to around 30 mph.
.MONDAY...Partly cloudy. A 50 percent chance of showers and
thunderstorms. Lows in the mid 60s. Highs around 80. South winds
10 to 15 mph with gusts to around 30 mph. 
.TUESDAY...Showers likely and chance of thunderstorms. Lows in
the lower 60s. Highs in the upper 70s. Southwest winds 5 to
15 mph with gusts to around 30 mph. 
.WEDNESDAY...Partly cloudy. A 40 percent chance of showers and
thunderstorms. Lows in the upper 50s. Highs around 80. Southwest
winds 5 to 10 mph. 
.THURSDAY...Partly cloudy. Lows in the mid 50s. Highs in the mid
70s. North winds 5 to 10 mph. 

SPC's Fire Weather Web Tool (Excellent!), SPC's Fire Weather Outlooks, NWS Fire Weather WEB, Fire Danger Class Map,
Keetch-Byram Drought Index, ROMAN Web, Haines Index ,
WFAS's 10-hr Dead Fuel Moist., WFAS's 100-hr Dead Fuel Moist., Probablity of Ignition, Visual blackness Map, Palmer Drought Index, HPC's Rainfall Forecast Maps


Hazardous Weather Outlook For JEFFERSON County, Kentucky
335 PM EDT Thu Apr 25 2024 /235 PM CDT Thu Apr 25 2024/

 DAY ONE  Tonight.

No hazardous weather is expected at this time.

 DAYS TWO THROUGH SEVEN  Friday through Wednesday.

No hazardous weather is expected at this time.

 SPOTTER INFORMATION STATEMENT  

Spotter activation is not expected at this time.

Latest JEFFERSON County, Kentucky Watches, Warnings and Advisories.
Additional Drought Info.: UKAWC Drought Page, Kentucky Drought Watch


7-Day Forecast For JEFFERSON County, KY

TONIGHT
Partly cloudy then becoming mostly cloudy in the late evening and early morning then becoming partly cloudy. Lows in the mid 40s. Northeast winds up to 10 mph.

FRIDAY
Mostly sunny in the morning, then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Southeast winds 5 to 15 mph. Chance of precipitation 40 percent.

FRIDAY NIGHT
Warmer. Mostly cloudy. Chance of showers and slight chance of thunderstorms in the evening, then slight chance of thunderstorms after midnight. Lows in the mid 60s. South winds 10 to 15 mph. Chance of precipitation 30 percent.

SATURDAY
Mostly cloudy. A 20 percent chance of thunderstorms in the morning. Highs in the lower 80s. South winds 15 to 20 mph.

SATURDAY NIGHT
Mostly cloudy in the evening then clearing. Lows in the mid 60s. South winds 10 to 20 mph.

SUNDAY
Sunny. Highs in the lower 80s.

SUNDAY NIGHT
Partly cloudy. Lows in the mid 60s.

MONDAY
Mostly sunny with slight chance of showers in the morning, then mostly cloudy with chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 50 percent.

MONDAY NIGHT
Chance of thunderstorms in the evening, then showers likely and chance of thunderstorms after midnight. Lows in the lower 60s. Chance of precipitation 70 percent.

TUESDAY
Mostly cloudy with showers likely and chance of thunderstorms in the morning, then mostly sunny with chance of thunderstorms in the afternoon. Highs around 80. Chance of precipitation 70 percent.

TUESDAY NIGHT
Mostly clear. Chance of thunderstorms in the evening, then slight chance of thunderstorms after midnight. Lows around 60. Chance of thunderstorms 40 percent.

WEDNESDAY
Mostly sunny. Slight chance of thunderstorms in the morning, then chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of thunderstorms 30 percent.

WEDNESDAY NIGHT
Partly cloudy. Chance of thunderstorms in the evening, then slight chance of thunderstorms after midnight. Lows in the upper 50s. Chance of thunderstorms 30 percent.

THURSDAY
Sunny. Slight chance of thunderstorms in the morning, then slight chance of rain showers in the afternoon. Highs in the upper 70s. Chance of precipitation 20 percent.

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