Sunday, May 1, 2011: Rain! More rain - flash flood watch

Sunday, May 01, 2011

Rain is moving back into the area.  We had a semi-lull this morning.  Radar early this afternoon is showing an area of showers and thunderstorms over much of Arkansas and southern Missouri.  This precipitation is spreading into our local counties.  Rainfall totals this afternoon into tomorrow morning should be in the 1-2" range.  Additional rain will fall on Monday afternoon into Tuesday morning.  Another 1-2" possible in out region.

Flash flood watch continues...
Flood warning continues...
Rivers continue to flood...

- Beau

Sunday, May 01, 2011
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Rain is falling over the region and will continue to fall through Monday.  Several waves of precipitation will move across our region.  It won't rain all the time - on and off.  Rain should come to an end on Tuesday morning and then we get a break - for several days.  Thankfully.

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I am concerned about the May 7th-12th time frame for severe thunderstorms.  
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A flood warning continues for our area - see the detailed information on watches and warnings by clicking here...

A flash flood watch has been issued for Saturday night into Monday for far southern Illinois, western Kentucky, southeast Missouri, northeast Arkansas, and western Tennessee.  Just click the previous for watch details.  Additional widespread rainfall totals of 1-3" are likely with pockets of 3-5" of rain.   I am just the messenger - please send all hate mail to Nature!

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Have you joined the email list?  I send out emails 2-4 days in advance of severe weather.  Basically this is a "heads up" email.  If you would like to subscribe then click here.
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The McCracken County Office of Emergency Management reminds you that owning a NOAA Weather Radio is the best way to receive notifications of severe weather watches and warnings.
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Also our new forecast page is finished!  Just click the link below to see all of our Weather Observatory graphics - from the severe weather outlook to lake and river stages - extended outlooks - monthly outlooks - satellite - and more!.

Weather Observatory Graphics and Forecast Page
River stages
http://weather.weatherobservatory.com/rivers/us.html 
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This site is best viewed with Mozilla Firefox.  There could be issues with spacing on Internet Explorer..
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For Sunday - Showers and thunderstorms.  On and off.  A few storms will be heavy.  Flash flood watch is in effect.  Anyone working around levees should use caution as they may begin to weaken and some may failure in the coming days.  Coolish temperatures with highs in the 60s. 
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Lightning is a concern for anyone working outside.  
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We have been getting reports of more and more snakes in areas they should not be.  Use caution.  
Avoid flooded roadways as you are out and about helping others. Check on neighbors if concerned - don't assume someone has checked on them.
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Need to check radar today?  No problem - click here.
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River stages
http://weather.weatherobservatory.com/rivers/us.html 
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Continued flooding.  Concern will increase with each passing day that the strain on levees could cause some to break.  Be prepared for flash flooding in the event of a levee breach.  Have life jackets and other emergency supplies ready for immediate deployment in the event of a breach.  

Showers and thunderstorms on and off on Sunday into Sunday night.  Lightning.  Heavy downpours. 

Snake bites - a number of people have reported snakes escaping the flood waters and moving into areas they are normally not seen.
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This forecast covers far southern Illinois, southeast Missouri, and western Kentucky
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Sunday:  Flash flood watch.  Scattered showers and thunderstorms - more widespread in the morning and then becoming more scattered in the afternoon.
Highs:  in the upper 60s  | Wind: west wind at 5-10 mph.

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Sunday night:  Flash flood watch.  Showers and thunderstorms likely.  Locally heavy rain likely.
Lows: around 52 degrees  |  Wind: west winds at 10 mph.
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Monday:  Flash flood watch.  Scattered showers and thunderstorms.  Cool. 
Highs:  around 67 degrees  | Wind: northwest winds at 10 mph.
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Monday night:  Showers and thunderstorms likely.
Lows: around 46 degrees  |  Wind: northwest winds at 10-15 mph.
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Tuesday:  A good chance for showers and thunderstorms. 
Highs:  around 63 degrees  | Wind: north/northwest winds at 10 mph.
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Rainfall totals from Sunday into Monday night should be in the 1-3" range.  Pockets of heavier rain possible.  Flash flood watches and warnings have been issued for the region.
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Weather Observatory Home Page - Click Here

Below image - Low temperatures for Sunday morning
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Remember you can view all of these images by going to our new graphics page - click here
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Below image - High temperatures for Sunday afternoon
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Below image - High temperatures for Monday afternoon 
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The forecast for severe or extreme weather risk for today, tonight, and tomorrow... 


Today (Sunday)  Showers and thunderstorms scattered about - locally heavy downpours and lightning is the main concern.  Flooding.
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Tonight (Sunday night)  Showers and thunderstorms.  Heavy rain likely. Flash flooding is a continued concern.

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Monday: Scattered showers and thunderstorms.  Flooding is the main concern.  Lightning with any storms that develop. 
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Here is the official graphic from the Storm Prediction Center (remember they are the national government office the forecasts severe weather and outlines the risk zones)  You can see they have a yellow area for our counties - this means general thunderstorms but below severe levels.

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Rainfall totals for the next 72 hours
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You can see there are some pretty big numbers showing up on the 72 hour rainfall map.  Let's hope for the low end of the range - but be prepared for the bigger amounts.  Flash flooding will continue to be a concern.  General flooding is going to occur - there is no place for the water to run off.
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The good news is that after the rain moves out on Monday night or Tuesday - then we should have some dry days afterwards.


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You can view the updated rainfall forecast maps - updated twice a day by going to the Weather Observatory Forecast Site - Click Here
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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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You can now view the 6-10 and 8-14 day forecasts!  Maps are available by clicking here.
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1.Main concern will be when does the rain move out.  Monday night or Tuesday.  IF the front stalls then it will likely hold on until Tuesday.  It appears at this time to be a decent bet that on/off rain will continue into Tuesday morning.  Then the rain should come to an end later on Tuesday. 
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2.  I am watching the May 7th-13th time frame for severe weather risks.  It appears the atmosphere will reload by then and produce a few storm systems that will need to be monitored. 
Hail would be the main concern.
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3.  A cool and damp summer may be in store for the region.  Active hurricane season, as well.


4.  What about winter?  Current long range thinking is that we have another active winter - like the late 1970s (we are in that pattern).  Lot of cold weather potential.

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You can find me on Twitter under Beau Dodson
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You can find me on Facebook under Beau Dodson Weather - hit LIKE at the top of the page and you can follow along - also please pass the link along to your friends.
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Meteorologist Beau Dodson
McCracken County Office of Emergency Management

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For the latest watches and warnings please visit your local National Weather Service Office
http://www.weather.gov/organization.php

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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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Other States- Click Here
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