October 26, 2011: Rain will develop Wednesday - then a dry/cool weekend

October 26, 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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Tuesday night:  Becoming cloudy - a chance for some showers and thunderstorms - especially over the northern half of the region - say from Poplar Bluff to Cape Girardeau to north of Carbondale/Marion. Above normal temperatures.
Lows:  in the 55-60 degree range.  |  Wind:  South/southwest winds at 5-10 mph.  Normal lows for this time of the year are around 46 degrees.  Precipitation probability - 40%
My confidence in this forecast is VERY high

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Wednesday:   Showers becoming likely as the day wears on - a few thunderstorms.  Above normal temperatures early in the day.
Highs:  around 68-74 degree range - falling during the afternoon hours.  |  Wind:  Southwest winds turning towards the north at 5-15 mph - gusts to 20 mph.  Normal highs for this time of the year are around 70 degreesPrecipitation probability - 80%. 
My confidence in this forecast is VERY high

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Wednesday night: Rain likely - a few rumbles of thunder.  Locally heavy downpour possible. Below normal temperatures.
Lows: around 44-48 degrees  |  Wind:  North winds at 5-15 mph. Normal lows for this time of the year are around 46 degrees.  Precipitation probability - 100%.
My confidence in this forecast is VERY high
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Thursday:  Cloudy - rain likely early - then a few showers in the afternoon  Below normal temperatures.
Highs:  around 54-58 degrees. |  Wind: Northerly winds at 5-15 mph.  Normal highs for this time of the year are around 70 degrees.   Precipitation probability - 70% 
My confidence in this forecast is high
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No major concerns - few rumbles of thunder possible Wednesday into Wednesday night.
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If you have outdoor school activities (other) you will want to monitor for some lightning on Wednesday.
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Wild card in the forecast continues to be whether or not the rain ends early on Thursday or late on Thursday.  Late of data showing that the rain will linger over the southern half of the region (at least) until Thursday afternoon or evening..
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No major changes in the forecast.  Everything appears on track.


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Forecast for your local town/city - Click Here
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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.
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Visit the Storm Prediction Center's web-site - click here 
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Tuesday night:  Severe weather is not anticipated. No snow or ice.
Tuesday Night:  Will there be a chance for non-severe thunderstorms?  Yes - a few thunderstorms will be possible. 

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Wednesday:  Severe weather is not anticipated.  No snow or ice.
Wednesday:  Will there be a chance for non-severe thunderstorms? 
Yes - a few thunderstorms will be possible. 
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Thursday night:
  Severe weather is not anticipated.  No snow or ice.
Thursday night:  Will there be a risk for non-severe thunderstorms?  No
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Friday:   Severe weather is not anticipated.   No snow or ice.
Friday:  Will there be a risk for non-severe thunderstorms?  No

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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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The links above are interactive and you can move around the United States by simply clicking on the national map - or from the pull down menu where it says regions and US States.
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To view the interactive map - click here.
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HEADLINE:   Wow on the northern lights on Monday night.  That was both a treat and a surprise!  We had a great view from up here on the hill.  I took some photographs with 30-40 second shutter exposure.  That is about the only way to capture the aurora's.  The long exposure of course brings out the colors - even more so than our naked eye can see.
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Here are the three photographs
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Okay enough astronomy!  Let's get to the weather.
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The rain system we have been talking about for over a week now is starting to take shape to our north and west.  Showers and thunderstorms will develop tonight (Tuesday night) over the northern portions of our region - they will spread southward along a front during the early morning hours of Wednesday.
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Showers and thunderstorms will be widespread across our region by late on Wednesday afternoon and evening - this rain will continue into Thursday.  The latest data shows the front hanging up over our region in response to a second piece of energy coming out of the west.  If this is the case then rain will linger into Thursday afternoon - especially true over the southern parts of the area.
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As far as rainfall totals - I am expecting a widespread 0.30-0.60" rainfall event with pockets of up to an inch.  If the front lingers then totals could be a bit higher over some counties.  Will monitor and update accordingly.
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Severe weather is not expected.  A few storms may approach severe limits if instability increases more than forecast - this would most likely be over the southern half of southeast Missouri into western Kentucky and western Tennessee.
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Otherwise just general thunderstorms are forecast.  If you have outdoor activities planned then perhaps check radar and be aware of the lightning potential.
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I am watching for the potential of a bigger storm system after November 3rd - see the long range at the bottom of the page. 
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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 the forecast.
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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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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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1.  The weekend is currently forecast to be dry and cool - can't rule out some frost again with lows into the 30s.  Halloween appears dry and cool, as well. 
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The next storm of significant may arrive around the November 3-7th time frame - watching a couple of systems during that time frame.  There have been signals for over a week now that this November event could produce some severe thunderstorms - long way off in the weather world.  But it has peaked my interest.  We have not had much in the way of severe weather over the last month or two - typically we do see an uptick in activity in October and/or November.
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Here is what the GFS is showing from www.wright-weather.com - remember GFS is one of many model data sets that we look out when considering future events. Click images for real view size.  Again this is for the 5th of November - LONG way off for models to figure out anything.  But something I have been watching for awhile.
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This second map is the GFS 500 mb wind field - see the trough in the east - trough normally spells unsettled and cooler weather.
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One last map for you this evening - this is the latest Palmer Drought Index.  Drought continues to our south and west - orange and yellow areas are dry to very dry.
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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.
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Meteorologist Beau Dodson
McCracken County Office of Emergency Management
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Beau Dodson Weather - Facebook
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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



All other states- Click Here
.  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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