November 24th - 25th: Rain chances increase on Saturday

November 24th and 25th, 2011
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This forecast covers far southern Illinois, southeast Missouri, southwest Indiana, western Kentucky, and northwest Tennessee - for your local town/area - click here
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Here are my current personal forecast thoughts for far southern Illinois and western Kentucky...
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Thursday night:  Some clouds - fog possible.  Dense fog in some counties.  Use caution.
Above normal temperatures.
Lows: in the upper 30s to lower 40s  |  Normal lows for this time of the year are around 38 degrees.
Wind:  South winds at 5-10 mph 
Precipitation probability - 0%   | Rainfall totals:  0" or less.
Confidence in this forecast is very high
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Friday:  Some morning fog.  Partly cloudy skies.  Mild.
Above normal temperatures.
Highs:  around 62-65 degrees.  | Normal highs for this time of the year are around 59 degrees.
Wind: Southerly winds at 5-15 mph - gusty at times.  
Precipitation probability - 0%  Rainfall totals:   0" 
Confidence in this forecast is very high

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Friday night:  Increasing clouds.  A chance for showers late.
Above normal temperatures.
Lows: in the middle 40s |  Normal lows for this time of the year are around 38 degrees.
Wind:  South winds at 5-10 mph
Precipitation probability - 0%  Rainfall totals: 0" 
Confidence in this forecast is high
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Saturday:  Showers likely - perhaps some thunder.  Mild early then falling temperatures in the afternoon.

Above normal temperatures.
Highs:  around 64 degrees then falling into the 50s during the afternoon hours | Normal highs for this time of the year are around 58 degrees.
Wind: Southerly winds at 10-20 mph with gusts above 30 mph. Winds turning to the west during the afternoon hours at 10-15 mph.  Gusty.   
Precipitation probability - 90%  Rainfall totals:  0.40-1.00"  locally heavier
Confidence in this forecast is very high
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No major concerns for Friday.  Gusty winds on Saturday with rain.  Fog tonight and in the morning, as well.  Use caution.
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No - other than fog - use caution. 

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No major wild cards in the short range forecast.
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Tweaked timing of rain


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The forecast for severe or extreme weather for the next 24 hours

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The McCracken County Office of Emergency Management reminds you that owning a NOAA All Hazards Weather Radio is the best way to receive notifications of severe weather watches and warnings.
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Remember that the National Weather Service defines a severe thunderstorm as one that produces 58 mph winds or higher, hail 1" in size or larger, and/or a tornado.  More information with some slides concerning reporting severe weather - click here

For the most up to date severe weather outlooks - click here.
or 
Visit the Storm Prediction Center's web-site - click here 
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Thursday night:  Severe weather is not anticipated.  No snow or ice. 
Thursday night:  Will there be a chance for non-severe thunderstorms? No
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Friday:  Severe weather is not anticipated.  No snow or ice.
Friday:  Will there be a chance for non-severe thunderstorms?  No
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Friday night :
  Severe weather is not anticipated.  No snow or ice.
Friday night: 
Will there be a chance for non-severe thunderstorms?  No
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Saturday: Severe weather is not anticipated.  No snow or ice.
Saturday: 
Will there be a risk for non-severe thunderstorms?  Yes - a rumble of thunder possible.
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To view all watches and warnings in IL -  Click Here
To view all watches and warnings in KY - Click Here
To view all watches and warnings in MO - Click Here
To view all watches and warnings in TN - Click Here
All other states- Click Here


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To view the interactive map - click here.
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HEADLINE: 
Thanksgiving was cloudy with fog/drizzle early then the sun finally made an appearance late in the day.  Hard to get rid of clouds in November. 
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Friday will be dry - some morning fog again possible.  Then mild temperatures.
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Rain arrives on Saturday morning and afternoon - it will continue into Saturday night.  Right now the best chance of rain should be between 11 am and 11 pm.  No severe weather is forecast.  System has slowed down a bit - this will probably mean rain will continue into Sat evening.
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It will be windy on Saturday with gusts above 30 mph ahead of the cold front - southerly.  Then winds will quickly shift to the west during the afternoon with falling temperatures.
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Some precipitation will be possible into Sunday night - whether that is a mix of cold rain or snow - is still in play.
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Long term - I am carefully watching next Wednesday through Friday for a potential winter storm somewhere in the eastern half of the U.S. - the track and development is of low confidence.  But it does have my winter weather attention :)

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We have a TON of new weather maps on the Weather Observatory web-site - these include temperatures, wind speed, dew points, heat index, barometric pressure, predicted rainfall, climate forecast, medium and long range maps, forecasts and more!  Click here 

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Let's check out the how much rain is forecast to fall over the next 72 hours.  This map gives you a general broad brushed idea of what can be expected.  Remember the scale is at the top of the map.
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If you would like to view the most up to date 24, 48, 72, and 120 hour precipitation forecast maps then click here.
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You can also now view the probability of X amount of rain (you pick the value on the web-site) in a six hour period of time.  Those maps can be viewed here.  
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You can view drought maps on the Weather Observatory web-site by clicking here.
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Snow is not in our local forecast through at least Saturday

Enhanced snowfall interactive forecast maps .  You can choose your total snowfall amounts above the map - time frame, as well- click here

Snowfall forecast maps - these are interactive maps.  You can choose your total snowfall amounts above the map - time frame, as well - click here
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If you are looking for wintry precipitation -  click here. 
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You can view the upcoming days high temperature and low temperature forecasts by clicking here - choose the day - click on your state to zoom in
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We have a number of new radars available on our Weather Observatory web-site!
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We now offer St Louis, Mt Vernon, Evansville, Poplar Bluff, Cape Girardeau, Marion, Paducah, Hopkinsville, and Dyersburg Interactive City Radars.  We also have the two regional radars and now offer you three GR Earth radars.

http://www.weatherobservatory.com/weather-radar.htm---
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We also have a new interactive radar - you can view that radar by clicking here.
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Want to learn more about how to use our radars?  I made a how to video with more information
Click here - http://www.youtube.com/watch?v=bfLa0hI3adU
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Date Range:  November 26th 
Event:  Showers and some thunderstorms - locally heavy rain possible.
Severe Risk: Too soon to make a forecast on severe weather - locally heavy rain is possible
Frozen Precipitation Risk:
Details:  Another in a series of storm systems will impact our region.  Cold front with showers and thunderstorms - colder air behind the system.  Rain may start as early as Friday night.  Rainfall totals of 0.25-0.50" possible with this event.  Locally higher amounts.
Confidence in my forecastVery high

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Date Range:  November 27th -November 31st
Event:  Below to much below normal temperatures.  Can't rule out some mixed precipitation - low chance - but will monitor.
Severe Risk:
Frozen Precipitation Risk:  Some mixed precipitation can't be ruled out
Details:  Colder air arrives behind our holiday weekend storm. 
Confidence in my forecastHigh on the cold
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Date Range:  December 1st - December 12th
Event:  Mostly below normal temperatures.  Active pattern.
Severe Risk:
Frozen Precipitation Risk:  Possible the first few days of the month
Details:  Cold air - several shots of below normal temperatures.
Confidence in my forecast:  Medium


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Date Range:  December 27th-30th
Event:  Significant storm system in the Missouri/Ohio/Tennessee Valley
Severe Risk:  
Frozen Precipitation Risk
Details:  Potential precipitation event.
Confidence in my forecast:  Low
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Remember that as a general policy, in the long range outlook, I will NOT mention severe thunderstorms more than 72 hours in advance.  I will mention thunderstorm risks and I will give as many details as possible.  The word severe will be reserved for the short range forecast.

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1. Rain now appears it will continue into at least part of Saturday night.  Can't rule out some clouds and even light rain or even snow pellets on Sunday/Sunday night as the system exits.  Right now this does not look like a big deal.  I will keep the chance for snow at less than 20% for Sunday into Sunday night - not the best chance.
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I am more excited about the long range pattern.  The models are in complete upheaval as to how the coming weeks unfold.  There have been wild swings in the data - from big snowstorms in our region - well below normal temperatures - to above normal temperatures - dry - rain.  The whole nine yards.  How this all unfolds and plays out is the big question for meteorologists.
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Models do not handle seasonal changes very well - this has been quite evident in model runs over the past few weeks.
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I have held to the basic idea for a month now that the end of November into the first part of December would bring significant changes in the pattern.  Much colder temperatures with several frozen precipitation threats.
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I will go into more detail on Friday's update.  Carefully watching for the potential of a significant storm system late next week.

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Now is a GREAT time to buy a NOAA All Hazards Weather Radio.  Better to have one before storms strike than to be without one during an event.  I recommend the Midland Model 300 NOAA All Hazards Weather Radio - that is what I use here at my house!
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Meteorologist Beau Dodson
McCracken County Office of Emergency Management
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To view all watches and warnings in Illinois - Click Here
To view all watches and warnings in Kentucky - Click Here
To view all watches and warnings in Missouri - Click Here
To view all watches and warnings in Tennessee - Click Here
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All other states- Click Here
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For the latest watches and warnings please visit your local National Weather Service Office web-site
http://www.weather.gov/organization.php
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Remember most of these maps can be viewed straight off of the Weather Observatory Web-Site
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