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Next 12 Hours

Forecast data from the National Digital Forecast Database.

5 Day Forecast

• Monday
• 
• High: 77 °
• Low: 54 °
• Partly Cloudy

• Tuesday
• 
• High: 77 °
• Low: 57 °
• Clear

• Wednesday
• 
• High: 82 °
• Low: 61 °
• Clear

• Thursday
• 
• High: 90 °
• Low: 73 °
• Clear

• Friday
• 
• High: 90 °
• Low: 73 °
• Clear

Area forecast discussion 
National Weather Service Paducah Kentucky 
620 am CDT Monday may 21 2012 


Update... 
issued at 620 am CDT Monday may 21 2012 


Update to the aviation section. 


&& 


Short term...(today through tuesday) 
issued at 256 am CDT Monday may 21 2012 


Difficult to determine exactly where the cold front is due to 
convective outflows from previous convection but more than likely 
runs from mvn to pof. Things are essentially dry across the County Warning Area right 
now...but with plenty of moisture still around will keep 
isolated/scattered wording until the drier air moves in. Have seen 
isolated convection behind the boundary so followed the deep layer 
1000-500 relative humidity averages from the models to determine the ending of 
precipitation. 


By tonight high pressure should be well in control. Very dry air 
behind this front with dew points in the 30s and 40s in the 
Central Plains. With this in mind...plus forecast soundings...have 
lowered dew points through the period starting tonight. Afternoon 
relative humidity values will be in the 30 percent range (at least) Tuesday and 
Wednesday so what little rain most of US got yesterday will 
quickly evaporate out of the soil. 


Long term...(thursday through sunday) 
issued at 256 am CDT Monday may 21 2012 


Models maintain building an upper level high over the region through 
the period...which will result in dry and unseasonably warm weather. 
The GFS hints at isolated convection by Sunday into Monday whereas 
the European model (ecmwf) holds out a little longer. These conditions will only 
serve to maintain or increase short term drought conditions across 
the area. We went lower than guidance on afternoon dew points given 
model sounding depictions. 


&& 


Aviation...(for the 12z tafs through 12z Tuesday morning) 
issued at 620 am CDT Monday may 21 2012 


Spotty MVFR visibilities should jump back to p6sm once north-northwest winds kick up 
this morning behind a cold front that will move across the region. 
Middle and high clouds will persist for a good part of the morning 
and early afternoon...with scattered VFR clouds below. Not enough of a 
chance of precipitation to include in the tafs at this time. Winds 
will let up tonight. 


&& 


Pah watches/warnings/advisories... 
Illinois...none. 
MO...none. 
In...none. 
Kentucky...none. 
&& 


$$ 


Short term...plus 
long term....cn 
aviation...cn