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 08:00 UTC ON MONDAY AUG 20 2018
DAY MONDAY
EDT 3HR 5A 6A 7A 8A 9A 10A 11A NOON 1P 2P 3P 4P 5P 6P 7P
MAX/MIN -- -- -- 70° -- -- -- -- -- -- -- -- -- -- 83°
TEMP 72° 70° 70° 72° 74° 79° 81° 83° 83° 81° 81° 81° 79° 79° 77°
SKY COVER 43% 35% 36% 54% 61% 68% 75% 81% 87% 93% 91% 89% 87% 84% 81%
Clouds
DEW PT 68° 68° 68° 70° 70° 72° 72° 72° 72° 72° 72° 72° 72° 72° 72°
RH 90% 93% 93% 90% 87% 79% 73% 72% 72% 74% 73% 76% 79% 81% 82%
POP 12HR -- -- -- 24% -- -- -- -- -- -- -- -- -- -- --
RAIN/SNOW (liq.equ) -- -- -- 0.00in -- -- -- -- -- 0.08in -- -- -- -- --
SNOWFALL -- -- -- 0in -- -- -- -- -- 0in -- -- -- -- --
WIND SPEED(MPH) 5 2 5 6 6 7 7 8 8 8 8 8 8 8 8
WIND Gust(MPH) 9 9 9 9 8 8 16 16 17 17 16 16 17 16 15
WIND DIR SE SE SE SE S S S S S S S S S S S
DEW Lgt Dew Mod Dew Lgt Dew Mod Dew Mod Dew Lgt Dew Lgt Dew -- -- -- -- Lgt Dew Lgt Dew Lgt Dew Mod Dew
HeatIndex 72 70 70 72 74 79 87 88 88 87 87 85 84 79 77
Rain Showers -- -- Slight Chance Slight Chance Slight Chance Slight Chance Chance Chance Likely Chance Chance Chance Chance Chance Chance
Thunder Storm -- -- -- -- -- -- Chance Chance Chance Chance Chance Chance Chance Chance Chance
WIND CHILL -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
SPRAY COND
DRY COND
LIVESTOCK HEATSTRESS 71.27 69.57 69.57 71.27 72.91 76.67 77.70 79.27 79.27 77.83 77.70 78.07 76.67 76.89 75.20



DAY TUESDAY WEDNESDAY THURSDAY FRIDAY SATURDAY SUNDAY
EDT 6HR 8P 9P 10P 11P MIDN 1A 2A 3A 4A 5A 6A 7A 8A 9A 10A 11A NOON 1P 2P 3P 4P 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 -- -- -- -- -- -- -- -- -- -- -- -- 70° -- -- -- -- -- -- -- -- 79° -- -- -- -- 65° -- -- 77° -- -- 58° 79° -- -- 58° 83° -- -- 67° 83° -- -- 67° 85° --
TEMP 76° 74° 74° 72° 72° 72° 72° 72° 72° 72° 72° 70° 70° 72° 74° 76° 77° 79° 79° 79° 79° 77° 76° 72° 70° 67° 65° 74° 77° 76° 72° 63° 58° 76° 74° 63° 61° 81° 77° 70° 68° 83° 81° 72° 68° 83° 79°
SKY COVER 79% 77% 76% 75% 81% 87% 93% 93% 92% 92% 91% 89% 88% 88% 87% 87% 86% 84% 83% 82% 80% 79% 71% 85% 53% 58% 50% 48% 49% 48% 31% 11% 4% 8% 8% 6% 8% 14% 35% 51% 58% 60% 49% 45% 46% 48% 46%
Clouds
DEW PT 72° 70° 70° 70° 70° 70° 70° 70° 70° 70° 70° 68° 70° 70° 70° 70° 70° 70° 70° 70° 68° 68° 68° 67° 65° 63° 63° 65° 63° 61° 59° 58° 56° 56° 58° 56° 56° 61° 65° 63° 63° 67° 68° 67° 67° 70° 70°
RH 84% 87% 90% 90% 90% 90% 90% 93% 90% 93% 93% 93% 97% 93% 87% 81% 76% 74% 71% 71% 71% 73% 78% 87% 86% 89% 93% 73% 59% 61% 65% 81% 92% 50% 57% 78% 87% 52% 64% 78% 84% 61% 66% 84% 93% 64% 72%
POP 12HR 64% -- -- -- -- -- -- -- -- -- -- -- 65% -- -- -- -- -- -- -- -- -- 46% -- -- -- 13% -- -- -- 9% -- 0% -- 0% -- 0% -- 1% -- 8% -- 22% -- 18% -- 28%
RAIN/SNOW (liq.equ) 0.33in -- -- -- -- -- 0.09in -- -- -- -- -- 0.14in -- -- -- -- -- 0.04in -- -- -- 0.02in -- 0.00in -- 0.00in -- 0.00in -- 0.00in -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
SNOWFALL 0in -- -- -- -- -- 0in -- -- -- -- -- 0in -- -- -- -- -- 0in -- -- -- 0in -- 0in -- 0in -- 0in -- 0in -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
WIND SPEED(MPH) 7 7 8 8 8 8 9 8 8 9 8 9 9 10 13 13 14 14 14 14 14 13 9 7 7 6 7 9 9 13 9 2 5 6 5 5 5 6 6 6 7 8 7 6 6 7 6
WIND DIR S S S S S S S S S S S SW SW SW SW SW SW SW SW W W W W W NW NW NW NW NW NW N N NE NE NE E E S S S S SW S S S SW SW
HeatIndex 76 74 74 72 72 72 72 72 72 72 72 70 70 72 74 76 77 79 83 83 79 77 76 72 70 67 65 74 77 76 72 63 58 76 74 63 61 82 77 70 68 86 84 72 68 88 83
Rain Showers Chance Chance Chance Chance Chance Likely Likely Likely Likely Likely Likely Chance Chance Chance Chance Chance Chance Chance Chance Chance Chance Chance -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- Slight Chance -- -- Slight Chance Chance Slight Chance --
Thunder Storm Chance Chance Chance Chance Chance Chance Chance Chance Chance Slight Chance Slight Chance Slight Chance Slight Chance Slight Chance Slight Chance Slight Chance Slight Chance Slight Chance Chance Chance Chance Chance -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- Slight Chance -- -- Slight Chance Slight Chance Slight Chance --
WIND CHILL -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
SPRAY COND
DRY COND
LIVESTOCK HEATSTRESS 74.49 72.91 73.16 71.27 71.27 71.27 71.27 71.49 71.27 71.49 71.49 69.57 69.82 71.49 72.91 74.20 74.60 76.11 75.78 75.78 75.78 74.30 73.92 71.06 69.14 66.50 64.76 71.74 72.90 72.31 69.46 62.56 58.04 71.27 70.41 62.49 60.84 75.14 73.40 68.64 67.19 77.81 76.85 70.84 67.65 78.21 75.89

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 400 AM EDT MON AUG 20 2018
NORTH CENTRAL KENTUCKY
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LOUISVILLE/SDF MOCLDY    76  71  85 SE3       29.93S                  
LOUISVILLE/LOU FAIR      76  72  87 E5        29.93F                  
FORT KNOX      FAIR      71  71 100 CALM      29.94F                  


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: Mon Aug 20 04:30:59 EDT 2018

430 AM EDT Mon Aug 20 2018

                      Today        Tonight      Tue          

CLOUD COVER           MCldy        MCldy        MCldy        
PRECIP TYPE           tstms        tstms        tstms        
CHANCE PRECIP (%)     60           60           50           
TEMP (24H TREND)      83 (-2)      69 (-2)      79           
RH % (24H TREND)      68 (+11)     99 (+3)      68           
20FTWND-VAL/AM(MPH)   SE  5                     SW  8        
20FTWND-RDG/PM(MPH)   S  7         S  7         W  9         
PRECIP AMOUNT         0.35         0.24         0.08         
MIXING HGT(FT-AGL/MSL)3948                      4992         
TRANSPORT WND (MPH)   S 13                      SW 20        
VENT RATE (KT-FT)     60736                     103334       
DISPERSION            Good                      Excellent    
DSI                   SLGT UNSTBL  SLGT UNSTBL  SLGT UNSTBL  
LAL                   3            3            3            
HAINES INDEX          3            3            3            
ADI EARLY             33 FAIR      7 POOR       42 GEN GOOD  
ADI LATE              33 FAIR      6 VERY POOR  55 GEN GOOD  
MAX LVORI EARLY       6            6            7            
MAX LVORI LATE        3            7            3            

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

.WEDNESDAY...Mostly cloudy. A 20 percent chance of showers. Lows
in the mid 60s. Highs in the upper 70s. West winds around 5 mph. 
.THURSDAY...Mostly clear. Lows in the mid 50s. Highs in the upper
70s. Light winds. 
.FRIDAY...Mostly clear. Lows in the upper 50s. Highs in the lower
80s. South winds up to 5 mph. 
.SATURDAY...Mostly cloudy. Chance of showers. Lows in the upper
60s. Highs in the mid 80s. Southwest winds 5 to 10 mph. 
.SUNDAY...Partly cloudy. Lows in the upper 60s. Highs in the
upper 80s. Southwest winds around 5 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
340 AM EDT Mon Aug 20 2018 /240 AM CDT Mon Aug 20 2018/

 DAY ONE  Today and Tonight.

Scattered strong thunderstorms are possible this afternoon into tonight
ahead of a low pressure system. The main risks are heavy rainfall and
localized flash flooding. Gusty winds will also be possible from stronger
storms. 

 DAYS TWO THROUGH SEVEN  Tuesday through Sunday.

No hazardous weather is anticipated at this time. 

 SPOTTER INFORMATION STATEMENT  

Spotters should report any high rainfall amounts, flooding, and 
strong wind gusts or damage Monday into Tuesday.

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


7-Day Forecast For JEFFERSON County, KY

TODAY
Partly cloudy with chance of showers and thunderstorms in the morning, then cloudy with showers likely and chance of thunderstorms in the afternoon. Highs in the lower 80s. South winds 5 to 10 mph. Chance of precipitation 70 percent.

TONIGHT
Showers likely and chance of thunderstorms. Lows in the lower 70s. South winds 5 to 10 mph. Chance of precipitation 70 percent.

TUESDAY
Mostly cloudy with a 50 percent chance of showers and thunderstorms. Highs around 80. Southwest winds 10 to 15 mph.

TUESDAY NIGHT
Mostly cloudy. Lows in the mid 60s. West winds 5 to 10 mph.

WEDNESDAY
Partly cloudy. Highs in the upper 70s. Northwest winds 5 to 15 mph.

WEDNESDAY NIGHT
Mostly clear. Lows in the upper 50s.

THURSDAY
Mostly sunny. Highs in the upper 70s.

THURSDAY NIGHT
Mostly clear. Lows in the upper 50s.

FRIDAY
Mostly sunny. Highs in the lower 80s.

FRIDAY NIGHT
Partly cloudy with a 40 percent chance of showers. Lows in the upper 60s.

SATURDAY
Partly cloudy with chance of showers and slight chance of thunderstorms. Highs in the mid 80s. Chance of precipitation 40 percent.

SATURDAY NIGHT
Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows around 70.

SUNDAY
Partly cloudy with a 20 percent chance of showers and thunderstorms. Highs in the upper 80s.

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