Beau Dodson's WeatherTalk Blog

July 13~14, 2017: Thunderstorm chances.

Friday morning update

Friday, July 14, 2017:

Thunderstorms possible today. Some could be heavy.

Storm tracking links will be posted below.

Long range video and graphics have been posted for subscribers (see the www. weathertalk. com website and click the live feed for those links)

Today and this evening:

A warm and unstable air-mass blanket the region. A cold front is slowly moving southward into our local counties.

This front will be the focus for heavy thunderstorm redevelopment later today. As happened on Thursday, some areas may miss out.

Some of you experienced damaging winds last night, frequent lightning, and two to four+ inches of rain. Others received no precipitation.

Wind fields will be weak today (that is good news).

Instability will be high. CAPE values of 1500 to 3500 will be common. Dew points in the 68 to 74-degree range. Lift index values of -6 or below. Weak lapse rates. Weak wind shear.

All of those ingredients spell slow moving thunderstorms. I can’t rule out flash flooding (isolated).

Storms will produce rainfall totals of one to two inches per thirty minutes.

A few storms will likely produce downburst winds of 50 mph or greater. Typical for summer months. These storms can climb to 50,000′ or higher into the atmosphere. What goes up must come down.

Actual reports of severe weather should be limited. A low-end severe weather risk at any given location.

Storms will end later tonight over most of the area.

The front is not moving all that fast.

A few thunderstorms could remain into Saturday morning over the Missouri Bootheel, western Kentucky, and western Tennessee.

Everyone should dry out by late morning and afternoon.

Dew points will be lower on Saturday. It won’t feel as muggy (once the front passes your area). Temperatures will range from 84 to 88 degrees.

Saturday night will be dry with lows in the 60’s.

Sunday will be warm and a little more humid. An isolated thunderstorm possible. Highs will range from 85 to 90 degrees.

There are some indications that a heat wave might occur next week. Still a bit early for confidence.

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Weather Talk subscribers ~ I have hired a team of long-range meteorologist to help cover agriculture forecasts.  Videos are updated once or twice each day (Monday through Friday).
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Videos can be viewed at this link.    Long Range Video Update

If you believe you missed a video then you can also click the LIVE FEED link on the Weather Talk website.  That page holds links for several days.

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This forecast update covers southern Illinois, southeast Missouri, western Kentucky. and northwest Tennessee.
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The following link is for Weather Text subscribers.  This is the page where short and long range video outlooks have been posted.  The videos are being produced by a team of meteorologists.  Some of the best in the region.
https://weathertalk.com/app/beaucast

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July 13, 2017
Thursday Night Forecast Details:
Forecast
: Partly cloudy.  Warm and muggy.  Scattered thunderstorms possible.  Some storms could produce locally heavy rain.
Temperatures:   MO ~ 70 to 75     IL ~ 70 to 75    KY ~ 70 to 75   TN ~ 70 to 75
Winds:  South and southwest winds at 3 to 6 mph with gusts to 14 mph
What impacts are anticipated from the weather?  Wet roadways and lightning.  Heavy downpours.
My confidence in the forecast verifying: Medium.  Some adjustments are possible.
Is severe weather expected?  Low-end severe weather risk.
The NWS defines severe weather as 58 mph winds or great, 1″ hail or larger, and/or tornadoes
What is the chance of precipitation
?  MO ~ 40%    IL ~ 40%    KY ~ 30%    TN ~ 30%
Coverage of precipitation
: Scattered
Should I cancel my outdoor plans? No, but monitor radars

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July 14, 2017
Friday Forecast Details
Forecast:  Mostly to partly sunny.  Scattered thunderstorms possible.  Warm.  Storms that do form could produce locally heavy rain and gusty winds.
Temperatures:   MO ~ 86 to 92     IL ~ 86 to 92    KY ~ 86 to 92  TN ~ 86 to 92
Winds:  South winds 5 to 10 mph with gusts to 16 mph.  Winds behind the front will become west and northwest.
What impacts are anticipated from the weather?  Lightning.  Wet roadways.  Heavy downpours.  Some storms could produce high winds.
My confidence in the forecast verifying: Medium.  Some adjustments are possible.
Is severe weather expected?  Low-end severe weather risk.
The NWS defines severe weather as 58 mph winds or great, 1″ hail or larger, and/or tornadoes
What is the chance of precipitation
?  MO ~ 40%    IL ~ 40%    KY ~ 40%    TN ~ 40%
Coverage of precipitation
: Scattered
Should I cancel my outdoor plans? Have alternative plans in case storms move into the area.
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Friday Night Forecast Details:
Forecast
: Partly cloudy.  Warm.  Scattered locally heavy thunderstorms possible, especially early.  Rain ending north to south.
Temperatures:   MO ~ 66 to 72     IL ~ 65 to 70    KY ~ 66 to 72   TN ~ 66 to 72
Winds:  Variable winds at 3 to 6 mph with gusts to 12 mph.  Winds becoming northwest and north.
What impacts are anticipated from the weather?  Wet roadways and lightning.  Heavy downpours possible.
My confidence in the forecast verifying: Medium.  Some adjustments are possible.
Is severe weather expected?  Evening storms could be intense with strong winds.
The NWS defines severe weather as 58 mph winds or great, 1″ hail or larger, and/or tornadoes
What is the chance of precipitation
?  MO ~ 30%    IL ~ 30%    KY ~ 40%    TN ~ 50%
Coverage of precipitation
: Scattered, but perhaps ending from north to south.
Should I cancel my outdoor plans?  Evening plans could be interrupted by scattered storms.  Monitor radars and updates.
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July 15, 2017
Saturday Forecast Details
Forecast:  Mostly sunny.  Some clouds may remain over our southern counties (Bootheel/KY TN border).  Warm, a bit less humid.  Perhaps a few remaining morning showers and thunderstorms.  The best chance would be over the Missouri Bootheel and along the KY/TN border.  Smaller chances north of there.
Temperatures:   MO ~ 82 to 86     IL ~ 82 to 86    KY ~ 82 to 86    TN ~ 82 to 86
Winds:  North winds at 5 to 10 mph.
What impacts are anticipated from the weather?  Most likely none.  Southern counties might have to deal with some morning storms with lightning and downpours.  Low confidence on that part of the forecast.
My confidence in the forecast verifying: High.  This forecast should verify.
Is severe weather expected?  No
The NWS defines severe weather as 58 mph winds or great, 1″ hail or larger, and/or tornadoes
What is the chance of precipitation
?  MO ~ 20%    IL ~ 20%    KY ~ 30%    TN ~ 30%
Coverage of precipitation
:  Most of the region will be dry.  Scattered storms may remain near the Bootheel into the Kentucky/Tennessee border area.
Should I cancel my outdoor plans? No, but check radars.
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Saturday Night Forecast Details:
Forecast
: Mostly clear and mild.  Not quite as muggy.  Patchy fog.
Temperatures:   MO ~ 62 to 66     IL ~ 62 to 66   KY ~ 62 to 66    TN ~ 64 to 68
Winds:  North winds at 3 to 6 mph
What impacts are anticipated from the weather? None.
My confidence in the forecast verifying: High.  This forecast should verify.
Is severe weather expected?  No
The NWS defines severe weather as 58 mph winds or great, 1″ hail or larger, and/or tornadoes
What is the chance of precipitation
?  MO ~ 0%    IL ~ 0%    KY ~ 0%    TN ~ 0%
Coverage of precipitation
: None
Should I cancel my outdoor plans? No

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July 16, 2017
Sunday Forecast Details
Forecast:  Mostly to partly sunny.  A small chance for an afternoon thunderstorm.
Temperatures:   MO ~ 84 to 88     IL ~ 84 to 88     KY ~ 84 to 88    TN ~ 84 to 88
Winds:  North winds at 5 to 10 mph.
What impacts are anticipated from the weather?  Most likely none.  Small chance for lightning and wet roadways.
My confidence in the forecast verifying: High.  This forecast should verify.
Is severe weather expected?  No
The NWS defines severe weather as 58 mph winds or great, 1″ hail or larger, and/or tornadoes
What is the chance of precipitation
?  MO ~ 20%    IL ~ 20%    KY ~ 20%    TN ~ 20%
Coverage of precipitation
:  None to isolated.
Should I cancel my outdoor plans? No
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Sunday Night Forecast Details:
Forecast
: Mostly clear.  Warm.  Patchy fog.
Temperatures:   MO ~ 65 to 70     IL ~ 65 to 70    KY ~ 65 to 70   TN ~ 65 to 70
Winds:  North winds at 3 to 6 mph
What impacts are anticipated from the weather?  None.
My confidence in the forecast verifying: High.  This forecast should verify.
Is severe weather expected?  No
The NWS defines severe weather as 58 mph winds or great, 1″ hail or larger, and/or tornadoes
What is the chance of precipitation
?  MO ~ 0%    IL ~ 10%    KY ~ 10%    TN ~ 10%
Coverage of precipitation
: None
Should I cancel my outdoor plans? No

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July 17, 2017
Monday Forecast Details
Forecast:  Mostly sunny and warm. A bit more humid.
Temperatures:   MO ~ 86 to 92     IL ~ 86 to 92     KY ~ 86 to 92      TN ~ 86 to 92
Winds:  Variable winds at 5 to 10 mph.  Winds becoming southerly.
What impacts are anticipated from the weather?  None.
My confidence in the forecast verifying: High.  This forecast should verify.
Is severe weather expected?   No
The NWS defines severe weather as 58 mph winds or great, 1″ hail or larger, and/or tornadoes
What is the chance of precipitation
?  MO ~ 0%    IL ~ 0%    KY ~ 0%    TN ~ 0%
Coverage of precipitation
: None
Should I cancel my outdoor plans? No
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Monday Night Forecast Details:
Forecast
: Partly cloudy.  Warm.
Temperatures:   MO ~ 65 to 70     IL ~ 65 to 70    KY ~ 65 to 70   TN ~ 65 to 70
Winds: Variable winds at 3 to 6 mph
What impacts are anticipated from the weather?  None.
My confidence in the forecast verifying: High.  This forecast should verify.
Is severe weather expected?  No
The NWS defines severe weather as 58 mph winds or great, 1″ hail or larger, and/or tornadoes
What is the chance of precipitation
?  MO ~ 0%    IL ~ 0%    KY ~ 0%    TN ~ 0%
Coverage of precipitation
: None.
Should I cancel my outdoor plans? No

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July 18, 2017
Tuesday Forecast Details
Forecast:  Mostly to partly sunny.
Temperatures:   MO ~ 88 to 92     IL ~ 88 to 92     KY ~ 88 to 92      TN ~ 88 to 92
Winds:  Variable winds at 5 to 10 mph.
What impacts are anticipated from the weather?  Most likely none.
My confidence in the forecast verifying: High.  This forecast should verify.
Is severe weather expected?   No
The NWS defines severe weather as 58 mph winds or great, 1″ hail or larger, and/or tornadoes
What is the chance of precipitation
?  MO ~ 0%    IL ~ 0%    KY ~ 0%    TN ~ 0%
Coverage of precipitation
: Most likely none
Should I cancel my outdoor plans? No
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Tuesday Night Forecast Details:
Forecast
: Partly cloudy.  Warm.
Temperatures:   MO ~ 66 to 72     IL ~ 66 to 72    KY ~ 66 to 72   TN ~ 66 to 72
Winds: Variable winds at 3 to 6 mph
What impacts are anticipated from the weather?  None.
My confidence in the forecast verifying: High.  This forecast should verify
Is severe weather expected?  No
The NWS defines severe weather as 58 mph winds or great, 1″ hail or larger, and/or tornadoes
What is the chance of precipitation
?  MO ~ 0%    IL ~ 0%    KY ~ 0%    TN ~ 0%
Coverage of precipitation
: Most likely none.
Should I cancel my outdoor plans? No

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July 19, 2017
Wednesday Forecast Details
Forecast:  Mostly to partly sunny.
Temperatures:   MO ~ 90 to 95     IL ~ 90 to 95     KY ~ 90 to 95      TN ~ 90 to 95
Winds:  South and southwest winds at 5 to 10 mph with gusts to 15 mph.
What impacts are anticipated from the weather?  High heat index values.
My confidence in the forecast verifying: High.  This forecast should verify.
Is severe weather expected?   No
The NWS defines severe weather as 58 mph winds or great, 1″ hail or larger, and/or tornadoes
What is the chance of precipitation
?  MO ~ 0%    IL ~ 0%    KY ~ 0%    TN ~ 0%
Coverage of precipitation
: Most likely none
Should I cancel my outdoor plans? No
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Wednesday Night Forecast Details:
Forecast
: Partly cloudy.  Warm.
Temperatures:   MO ~ 70 to 75     IL ~ 70 to 75     KY ~ 70 to 75     TN ~ 70 to 75
Winds: South and southwest winds at 5 to 10 mph
What impacts are anticipated from the weather?  None.
My confidence in the forecast verifying: High.  This forecast should verify.
Is severe weather expected?  No
The NWS defines severe weather as 58 mph winds or great, 1″ hail or larger, and/or tornadoes
What is the chance of precipitation
?  MO ~ 0%    IL ~ 0%    KY ~ 0%    TN ~ 0%
Coverage of precipitation
: Most likely none.
Should I cancel my outdoor plans? No

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Don’t forget to check out the Southern Illinois Weather Observatory web-site for weather maps, tower cams, scanner feeds, radars, and much more!  Click here

 

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A severe thunderstorm is defined as a storm that produces quarter size hail or larger, 58 mph winds or greater, and/or a tornado.  That is the official National Weather Service definition of a severe thunderstorm.

Thursday night into Friday night: Scattered thunderstorms are likely to occur along and ahead of an in-coming cold front.  Storms that do form could be intense.  Gusty winds, frequent lightning, heavy downpours, and small hail will be possible.  I can’t rule out a few severe thunderstorms.  Damaging wind gusts would be the primary concern.

Saturday through Monday:  A small risk for thunderstorms on Saturday morning for the Missouri Bootheel into northwest Tennessee and perhaps near the Kentucky and Tennessee border.  Most of the region should remain dry.

A weak cold front will approach on Sunday/Sunday night.  I can’t rule out isolated storms along the front, although it appears moisture will be limited.

beausanalysis

Here comes our cold front!

A cold front is sagging into the region from the north.  This front will slowly progress southward over the next 24 to 36 hours.  Showers and heavy thunderstorms will develop along and ahead of the front.

Precipitation is forecast to end by late Friday night.  There is a small chance for lingering showers and storms over the Missouri Bootheel and northwest Tennessee before 8 am Saturday.  If the front moves fast enough, then we won’t have to worry about precipitation on Saturday.  For now, I have kept rain chances less than 10% on Saturday.

Friday afternoon cold front position.  The front will move south.

Saturday morning cold front position.

Another cold front, this one much weaker, will push into the region on Sunday and Sunday night.  This front will have limited moisture to work with.  An isolated shower or thunderstorm may accompany the front.  Rain chances, at any given location, will be kept at 20% or less.

Temperatures on both Saturday and Sunday will be warm, but it won’t be quite as humid.  Dew points will drop into the 64 to 68 degree range on both days.  We have been experiencing dew points in the 70’s.  Dew points are what make it feel muggy outside.

Dew points in the 70’s represent muggy conditions.  Air you wear.  Uncomfortable.   Don’t get me wrong, it will still be humid this weekend, but just not as bad as recent days.

Dew point map

Click images to enlarge

Dew point scale

Friday afternoon

Saturday afternoon

Sunday afternoon

 

High temperatures will range from 85 to 90 on both Saturday and Sunday.  Decent camping with (with lots of sun screen).

 

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We have regional radars and local city radars – if a radar does not update then try another one. Occasional browsers need their cache cleared. You may also try restarting your browser. That usually fixes the problem. Occasionally we do have a radar go down. That is why I have duplicates. Thus, if one fails then try another one.

During the winter you can track snow and ice by clicking the winterize button on the local city view interactive radars.

If you have any problems then please send me an email beaudodson@usawx.com

Interactive Weather Radar Page.  Choose the city nearest your location:  Click this link

National interactive radar:  Click this link.

Local interactive city radars include St Louis, Mt Vernon, Evansville, Poplar Bluff, Cape Girardeau, Marion, Paducah, Hopkinsville, Memphis, Nashville, Dyersburg, and all of eastern Kentucky.  These are interactive radars.  Local city radars – click here

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The official 6-10 day and 8-14 day temperature and precipitation outlook.  Check the date stamp at the top of each image (so you understand the time frame).
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The forecast maps below are issued by the Weather Prediction Center (NOAA)
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The latest 8-14 day temperature and precipitation outlook.  Note the dates are at the top of the image.  These maps DO NOT tell you how high or low temperatures or precipitation will be.  They simply give you the probability as to whether temperatures or precipitation will be above or below normal.
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The Beau Dodson Weather APP is ready for Apple and Android users.  The purpose of this app is for me to deliver your text messages instantly.  ATT and Verizon have not always been reliable when it comes to speed.  The app allows instant delivery.

Some of you have asked if you can keep receiving the texts on your phone and the app.  The answer to that is, yes.  The Android app will automatically allow that to happen.  On the Apple app, however, you will need to go into your app and click settings.  Make sure the green tab is OFF.  Off means you will still receive the texts to your phone and the app.  If you have any questions, then email me at beaudodson@usawx.com

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Who do you trust for your weather information and who holds them accountable?

I have studied weather in our region since the late 1970’s.  I have 39 years of experience in observing our regions weather patterns.  My degree is in Broadcast Meteorology and a Bachelor’s of Science.

My resume includes:

Member of the American Meteorological Society.

NOAA Weather-Ready Nation Ambassador. 

Meteorologist for McCracken County Emergency Management.  I served from 2005 through 2015.

Meteorologist for McCracken County Rescue.  2015 through current

I own and operate the Southern Illinois Weather Observatory.

I am the chief meteorologist for Weather Talk LLC.  I am the owner of Weather Talk LLC.

I am also a business owner in western Kentucky.

Recipient of the Mark Trail Award, WPSD Six Who Make A Difference Award, Kentucky Colonel, and the Caesar J. Fiamma” Award from the American Red Cross

In 2005 I helped open the largest American Cross shelter in U.S. history in Houston, Texas.  I was deployed to help after Hurricane Katrina and Hurricane Rita.  I was a shelter manager of one of the Houston, Texas shelter divisions.

In 2009 I was presented with the Kentucky Office of Highway Safety Award. 

Recognized by the Kentucky House of Representatives for my service to the State of Kentucky leading up to several winter storms and severe weather outbreaks.

If you click on the image below you can read the Kentucky House of Representatives Resolution.

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I am also President of the Shadow Angel Foundation which serves portions of western Kentucky and southern Illinois.

There is a lot of noise on the internet.  A lot of weather maps are posted without explanation.  Over time you should learn who to trust for your weather information.

My forecast philosophy is simple and straight forward.

  • Communicate in simple terms
  • To be as accurate as possible within a reasonable time frame before an event
  • Interact with you on Twitter, Facebook, email, texts, and this blog
  • Minimize the “hype” that you might see on some television stations or through other weather sources
  • Push you towards utilizing wall-to-wall LOCAL TV coverage during severe weather events

Many of the graphics on this page are from www.weatherbell.com

WeatherBell is a great resource for weather model guidance.

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