Monday, June 28, 2011: And the storm chances continue...

.Monday, June 27, 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


Remainder of tonight - Sunday night:  Partly cloudy skies.  A chance for a period or two of showers and thunderstorms - mainly after midnight - once again.  Locally heavy rain possible.  Above normal temperatures.  Lows:  in the 68-72 degree range  | Wind: Southerly winds at 5-10 mph.  Normal lows for this time of the year are around 64 degrees.
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Monday:  A chance for showers and thunderstorms.  A few storms may be severe - especially over parts of southeast Missouri and southern Illinois.  Normal to above normal temperatures.
Highs:  in the 89-93 degree range.  | Heat index:  Values in the 94-98 degree range | Wind:  Southwesterly winds at 10-15 mph.  Normal highs for this time of the year are around 85 degrees.

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Monday night:  Partly cloudy.  A good chance for showers and thunderstorms.  Some storms could be severe.   Above normal temperatures.
Lows: around 70 degrees  |  Wind:  Southwest winds at 10 mph. Normal lows for this time of the year are around 64 degrees.
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Tuesday:  Partly sunny.  A chance for thunderstorms.  Above normal temperatures.
Highs:  around 88-92 degrees   | Heat index:  around 92-95 degrees  | Wind: North winds at 10-15 mph.  Normal highs for this time of the year are around 85 degrees.
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Tuesday Night:  Partly cloudy.  Near normal to above normal temperatures.
Lows: around 67 degrees  |  Wind: Northerly winds  at 10 mph.  Normal lows for this time of the year are around 65 degrees.
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Wednesday:  Mostly sunny.   Near normal to slightly above normal temperatures.
Highs:  around 88 degrees  |  Heat index:  In the 90-92 degree range Wind: Southerly winds at 10-15 mph - Normal highs for this time of the year are around 85 degrees.
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Tweaked storm chances - and wording for locally heavy rain.  Also tweaked temperatures a bit to take into account some clouds on both Monday and Monday night - Tuesday.  On and off storm chances will continue into Tuesday.  Many areas have experienced some flash flooding over the last couple of days - this will continue to be the case if additional rounds of heavy thunderstorms move back into our region tonight and into Tuesday.


Remember to turn around - don't drown.  Avoid flooded roadways. 


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Forecast for your local town/city - Click Here
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The forecast for severe or extreme weather risk for the next 48 hours...  



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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
 

Sunday night: 
Widespread severe weather is not anticipated at this time.  Isolated pockets of storms could produce large hail and high winds.  We will be watching Missouri where a line of storms is forecast to form later this evening and during the overnight period.  If this line does form then it will move east into our region.  Heavy rain is also a concern - especially in areas that recently experienced several inches of rain.
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Monday:  Widespread s
evere weather is not anticipated at this time.  Isolated pockets of storms could produce large hail and high winds. The best chances for severe storms will be along a line from near Poplar Bluff to Evansville - then north of that line.  I will monitor for any changes and update accordingly. 
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Monday night:   Severe storms will be possible.  A few of the storms could produce hail and high winds. I will need to monitor this time frame for the potential of severe weather that is a bit more widespread than recent days.  Again - some uncertainty - I will update on Monday morning and afternoon.
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Tuesday: A few thunderstorms will be possible. 



Lightning Safety week has arrived!  You can learn more about lightning safety by clicking here.
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Here are the graphics for the coming days.  Remember the orange area represents the slight risk (that is what the Storm Prediction Center calls it - not my favorite choice of wording) area for severe thunderstorms.  The orange area means that severe thunderstorms will be possible but will most likely not produce widespread severe weather.  The yellow area represents that areas where some thunderstorms will likely occur - but will remain, for the most part, below severe limits.  A severe storms is one that produces winds of at least 58 mph and quarter size hail or larger.  And/or tornadoes.

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Sunday night's severe weather outlook graphic 
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Then here is the Monday outlook (below) - the SPC has outlined our region for additional thunderstorm chances - some of which may be severe.  Remember that these maps will be updated several times between now and tomorrow - so check the main link here for the latest outlooks.
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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

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All other states- Click Here
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HEADLINE:   Heavy rain fell over the area, once again, on Sunday morning.  Rainfall totals of 1-5" were commonplace across parts of southern Illinois and western Kentucky.  Portions of southeast Missouri were also impacted by the rain and storms.

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Two people were hit by lightning in Massac County, Illinois - they were riding a motorcycle on Interstate 24 when hit by lightning.
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Flash flooding was reported in Massac and McCracken Counties - several other counties, as well.  Many roads had water over them and several water rescues were performed.
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The mesoscale complex of thunderstorms formed over Missouri and Illinois on Saturday night and drifted southward into our local counties during the early morning hours of Sunday.  These complexes of storms typically form on the northern edge of heat ridges - high pressure ridges.  See my summer forecast from May for more details.
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Additional waves of storms will be possible during the next day or two.  Some of these storms could produce heavy rain, as well.  Additional flash flooding can't be ruled out.  In addition to this - we may see a few reports of severe weather.  The main threat would be large hail and high winds - lightning is always a threat during thunderstorms.
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Significant to major flooding will continue on portions of the Mississippi River and Missouri River basins.  This will be a long summer of flooding for some areas.  We are also concerned that the Ohio River will continue to back up.  This could cause flooding over parts of southern IL and western KY.  Stay tuned.

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You can listen to LIVE reports from Minot, North Dakota (serious river flooding in that city) - click here


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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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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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Thunderstorms will once again be possible tonight into Tuesday.  Lightning is always a concern during thunderstorms.  Storms may also produce hail and high winds.  The tornado threat appears low - I will monitor and update the Facebook page if anything changes.  Please remember to avoid flooded roadways - turn around - don't drown. 
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Significant to major flooding is likely to continue across the Missouri Valley in the coming weeks - latest river information - click here.
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To follow the flood information along the Missouri River - click here for a special Facebook page that has been made for those concerned.
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We are going to have to monitor the current pattern - these mesoscale thunderstorm complexes that keep moving through the region can produce heavy rainfall.  This will cause rivers to rise even further.  
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The Ohio River is starting to back up because of the high water levels on the Mississippi River.  This is going to be a concern for quite some time to come.  Those living along rivers should monitor updated forecasts.
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To view the interactive river map below - click here.  The areas in purple and red are experiencing significant flooding issues.  
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River Stages - Click Here  
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Let's check out the how much rain is forecast to fall over the next 72 hours.  Keep in mind that during the summer months heavy thunderstorms can produce excessive amounts of rain in a short period of time.  This map is to give you a general broad brushed idea of what can be expected.  Some areas during the summer months will pick up very little precipitation while neighboring areas receive quite a bit.  Thus is the nature of thunderstorms and the summer pattern.
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If you would like to view the 24, 48, 72, and 120 hour maps then click here.
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I also now have thunderstorm probabilities available on the web-site - you can click hour by hour and see where the best chances for thunderstorms will exist.  Here is the link - you can also choose your own region by clicking on a state.
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This map shows you the 12 am through 2 am Monday thunderstorm probabilities.
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You can see that it appears thunderstorm chances will be fairly high tomorrow morning.  You can view all of these maps and other hours by clicking here.
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ALSO NOW AVAILABLE - Six hour probability precipitation maps.
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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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Remember you can now view all of the temperature graphics (that you see below) - and more - by clicking here
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Below image - Low temperatures for Monday morning
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Below image - High temperatures for Monday afternoon.
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Below image - Low temperatures for Tuesday morning
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Below image - High temperatures for Tuesday afternoon
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Let's also take a look (the map below) at the expected heat index for tomorrow afternoon.  You can view this map for other days by clicking here.  Remember - the heat index is what the temperature feels like to your body when the temperature and humidity are combined.  Heat index calculator can be viewed by clicking here.
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Keep in mind that the heat index over the last week has been a non-issue.  Also these heat index values might be tempered somewhat because of morning thunderstorms and cloud cover.  I think that we will have to become a bit more concerned about the heat index later this week as the high pressure ridge attempts to build back into our local area.
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Also the UV forecast for those interested - click here

Heat safety advice and information - click here

How much above or below normal will high temperatures be tomorrow?
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The map below shows you the departure from normal highs (normal highs are around 82-85 degrees).  This gives you a general idea of the type of weather pattern we are in.  Warmer than normal or cooler than normal?  
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For example if the normal high is 80 degrees and the actual high is 90 degrees then we would be 10 degrees above normal. You can find this map on the web-site, as well - click here.
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You can see we are bordering on the warmer than normal vs the colder than normal.  Remember that if you want storms then that is where you want to be - in the battle ground.
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These are the record highs and lows for June 25th, 2011.  A total of 40 reports.  The purple dots are record low temperatures and the red dots are record high temperatures.  To view the most up to date maps - with details on each record high and low - click here.
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Not nearly as bad as recent weeks when we were seeing dozens and dozens of record highs each and every day.  The last few days have brought only a handful of records.
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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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Tropical development is not anticipated at this time.  Watching for possible development this week in the Gulf of Mexico although this is far from certain - data indicates a tropical disturbance will make some attempt to move into the Gulf.  If so then we will monitor it as it moves northward.  If nothing else this could help enhance rainfall in areas that desperately need moisture.
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You can view satellite images of the tropics by clicking here  - we have a variety of satellite images available on the Weather Observatory web-site. 
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Here is a satellite view from our web-site showing the Gulf of Mexico and the Atlantic - some disturbed weather in the Gulf and then near Mexico - south of Cuba.
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Latest National Hurricane Center Tropical Outlook - click here.
 
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You can see from the maps over the last weeks worth of posting that a large chunk of real estate to our south and west is experiencing drought conditions. You can view these maps by clicking here, as well.

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You can learn more about the current drought by visiting this Climate Prediction Center website - click here.
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You can now view the 6-10 and 8-14 day forecast maps for temperature and precipitation!  Maps are available by clicking here.

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1.  Long range continues to show above normal temperatures.  Watching the big heat ridge to see if it does indeed build back into our region later this week.  If it does then hot and humid weather will prevail until the next front pushes through. 

2.  As far as the severe weather risk the next few days - main concern will be lightning.  If there were to be severe weather then high winds would probably be the biggest threat along with some hail.  
Tornado risk appears fairly low. 


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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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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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Don't forget that our friends at the Paducah, Kentucky US National Weather Service Office now has a Facebook page, as well!  Click here and then hit LIKE at the top of their page.
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The McCracken County Office of Emergency Management now has a Facebook page?  This is a great way to stay in touch with local officials during and before a natural disaster.  Here is their page - hit LIKE at the top of the button.


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You can also find me on Twitter under Beau Dodson
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Meteorologist Beau Dodson
"We don't control the weather - we just predict it"
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McCracken County Office of Emergency Management

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I send out emails 2-4 days in advance of widespread severe weather episodes.  Basically this is a "heads up" email.  If you would like to subscribe then click here.   
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