Beau Dodson's WeatherTalk Blog

April 12, 2023: Monitoring weekend thunderstorm chances.

 

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Seven-day forecast for southeast Missouri, southern Illinois, western Kentucky, and western Tennessee.

This is a BLEND for the region.  Scroll down to see the region by region forecast.

THE FORECAST IS GOING TO VARY FROM LOCATION TO LOCATION.  Scroll down to see the region by region forecast.

 

Today’s Local Almanacs (for a few select cities).  Your location will be comparable.

Note, the low is this morning’s low and not tomorrows.

This shows you the forecast high.  The records.  The average and then the departure (how many degrees above or below average will temperatures be).

The graphic shows you what our average daily rainfall is for the day.  That is not what is expected (that is the average from past years).

 

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48-hour forecast



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Wednesday to Wednesday

1. Is lightning in the forecast?  Yes.  Friday into Saturday night.

2.  Are severe thunderstorms in the forecast?  Possible.  A few storms could be severe Saturday afternoon and evening.  For now, the overall risk is low, but not zero.

3. Is flash flooding in the forecast? No.

4. Will the heat index exceed 100 degrees?  No.

5. Will the wind chill dip below 10 degrees?  No.

6.  Is measurable snow and/or sleet in the forecast?  No.

7.  Is freezing rain/ice in the forecast?  No.
Freezing rain is rain that falls and instantly freezes on objects such as trees and power lines

 

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Wednesday, April 12, 2023
Confidence in the forecast?  High Confidence  
Wednesday Forecast:  Partly sunny.  Mild.
What is the chance of precipitation?
Far northern southeast Missouri ~ 0%
Southeast Missouri ~ 0%
The Missouri Bootheel ~ 0%
I-64 Corridor of southern Illinois ~ 0%
Southern Illinois ~ 0%
Extreme southern Illinois (southern seven counties) ~ 0%
Far western Kentucky ~ 0%
The Pennyrile area of western KY ~ 0%
Northwest Kentucky (near Indiana border) ~ 0%
Northwest Tennessee ~ 0%

Coverage of precipitation:
Timing of the precipitation:
Temperature range:
Far northern southeast Missouri ~ 73° to 76°
Southeast Missouri ~ 73° to 76°
The Missouri Bootheel ~ 73° to 76°
I-64 Corridor of southern Illinois ~ 73° to 76°
Southern Illinois ~ 73° to 76°
Extreme southern Illinois (southern seven counties) ~ 73° to 76°
Far western Kentucky ~ 73° to 76°
The Pennyrile area of western KY ~ 73° to 76°
Northwest Kentucky (near Indiana border) ~ 73° to 76°
Northwest Tennessee ~ 73° to 76°

Winds will be from this direction:  Southwest 10 to 20 mph
Wind chill or heat index (feels like) temperature forecast: 73° to 76°
What impacts are anticipated from the weather?
Should I cancel my outdoor plans? No
UV Index: 7. High
Sunrise: 6:25 AM
Sunset:  7:27 PM
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Wednesday night Forecast: Partly cloudy.
What is the chance of precipitation?
Far northern southeast Missouri ~  0%
Southeast Missouri ~  0%
The Missouri Bootheel ~  0%
I-64 Corridor of southern Illinois ~  0%
Southern Illinois ~  0%
Extreme southern Illinois (southern seven counties) ~  0%
Far western Kentucky ~ 0%
The Pennyrile area of western KY ~ 0%
Northwest Kentucky (near Indiana border) ~ 0%
Northwest Tennessee ~  0%

Coverage of precipitation:
Timing of the precipitation:
Temperature range:
Far northern southeast Missouri ~ 48° to 52°
Southeast Missouri ~ 48° to 52°
The Missouri Bootheel ~  48° to 52°
I-64 Corridor of southern Illinois ~ 48° to 52°
Southern Illinois ~ 48° to 52°
Extreme southern Illinois (southern seven counties) ~ 48° to 52°
Far western Kentucky ~ 48° to 52°
The Pennyrile area of western KY ~ 48° to 52°
Northwest Kentucky (near Indiana border) ~ 48° to 52°
Northwest Tennessee ~ 48° to 52°

Winds will be from this direction:  Southwest 7 to 14 mph
Wind chill or heat index (feels like) temperature forecast: 48° to 52°
What impacts are anticipated from the weather?
Should I cancel my outdoor plans? No
Moonrise:   1:45  AM
Moonset:   10:55 AM
The phase of the moon: Waning Gibbous

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Thursday, April 13, 2023
Confidence in the forecast?  High Confidence  
Thursday Forecast:  Partly sunny.  Mild.
What is the chance of precipitation?
Far northern southeast Missouri ~ 0%
Southeast Missouri ~ 0%
The Missouri Bootheel ~ 0%
I-64 Corridor of southern Illinois ~ 0%
Southern Illinois ~ 0%
Extreme southern Illinois (southern seven counties) ~ 0%
Far western Kentucky ~ 0%
The Pennyrile area of western KY ~ 0%
Northwest Kentucky (near Indiana border) ~ 0%
Northwest Tennessee ~ 0%

Coverage of precipitation:
Timing of the precipitation:
Temperature range:
Far northern southeast Missouri ~ 75° to 80°
Southeast Missouri ~ 75° to 80°
The Missouri Bootheel ~ 75° to 80°
I-64 Corridor of southern Illinois ~ 75° to 80°
Southern Illinois ~ 75° to 80°
Extreme southern Illinois (southern seven counties) ~ 75° to 80°
Far western Kentucky ~ 75° to 80°
The Pennyrile area of western KY ~ 75° to 80°
Northwest Kentucky (near Indiana border) ~ 75° to 80°
Northwest Tennessee ~ 75° to 80°

Winds will be from this direction:  Southeast 6 to 12 mph
Wind chill or heat index (feels like) temperature forecast: 75° to 80°
What impacts are anticipated from the weather?
Should I cancel my outdoor plans? No
UV Index: 7. High
Sunrise: 6:24 AM
Sunset:  7:28 PM
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Thursday night Forecast: Partly cloudy.
What is the chance of precipitation?
Far northern southeast Missouri ~  0%
Southeast Missouri ~  0%
The Missouri Bootheel ~  0%
I-64 Corridor of southern Illinois ~  0%
Southern Illinois ~  0%
Extreme southern Illinois (southern seven counties) ~  0%
Far western Kentucky ~ 0%
The Pennyrile area of western KY ~ 0%
Northwest Kentucky (near Indiana border) ~ 0%
Northwest Tennessee ~  0%

Coverage of precipitation:
Timing of the precipitation:
Temperature range:
Far northern southeast Missouri ~ 53° to 56°
Southeast Missouri ~ 53° to 56°
The Missouri Bootheel ~  53° to 56°
I-64 Corridor of southern Illinois ~ 53° to 56°
Southern Illinois ~ 53° to 56°
Extreme southern Illinois (southern seven counties) ~ 53° to 56°
Far western Kentucky ~ 53° to 56°
The Pennyrile area of western KY ~ 53° to 56°
Northwest Kentucky (near Indiana border) ~  53° to 56°
Northwest Tennessee ~ 53° to 56°

Winds will be from this direction:  Southeast 7 to 14 mph
Wind chill or heat index (feels like) temperature forecast: 53° to 56°
What impacts are anticipated from the weather?
Should I cancel my outdoor plans? No
Moonrise:   2:41  AM
Moonset:   12:06 PM
The phase of the moon: Last Quarter

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Friday, April 14, 2023
Confidence in the forecast?  High Confidence  
Friday Forecast:  Partly sunny.  Mild.  A chance of a couple of showers and thunderstorms over our eastern counties.  That would mainly be over western Kentucky and Tennessee.  The farther east southeast you travel the higher the chance of running into some rain.
What is the chance of precipitation?
Far northern southeast Missouri ~ 0%
Southeast Missouri ~ 0%
The Missouri Bootheel ~ 0%
I-64 Corridor of southern Illinois ~ 0%
Southern Illinois ~ 0%
Extreme southern Illinois (southern seven counties) ~ 10%
Far western Kentucky ~ 20%
The Pennyrile area of western KY ~ 40%
Northwest Kentucky (near Indiana border) ~ 20%
Northwest Tennessee ~ 30%

Coverage of precipitation: Scattered
Timing of the precipitation: After 10 AM
Temperature range:
Far northern southeast Missouri ~ 74° to 78°
Southeast Missouri ~ 74° to 78°
The Missouri Bootheel ~ 74° to 78°
I-64 Corridor of southern Illinois ~ 74° to 78°
Southern Illinois ~ 74° to 78°
Extreme southern Illinois (southern seven counties) ~ 74° to 78°
Far western Kentucky ~ 74° to 78°
The Pennyrile area of western KY ~ 74° to 78°
Northwest Kentucky (near Indiana border) ~ 74° to 78°
Northwest Tennessee ~ 74° to 78°

Winds will be from this direction:  South southeast 6 to 12 mph
Wind chill or heat index (feels like) temperature forecast: 74° to 78°
What impacts are anticipated from the weather? Wet roadways.  Lightning.
Should I cancel my outdoor plans? No, but check the Beau Dodson Weather Radars
UV Index: 7. High
Sunrise: 6:23 AM
Sunset:  7:29 PM
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Friday night Forecast: Partly cloudy. A slight chance of an evening shower or thunderstorm over Kentucky and Tennessee.
What is the chance of precipitation?
Far northern southeast Missouri ~  0%
Southeast Missouri ~  0%
The Missouri Bootheel ~  0%
I-64 Corridor of southern Illinois ~  0%
Southern Illinois ~  0%
Extreme southern Illinois (southern seven counties) ~  0%
Far western Kentucky ~ 10%
The Pennyrile area of western KY ~ 20%
Northwest Kentucky (near Indiana border) ~ 20%
Northwest Tennessee ~  20%

Coverage of precipitation: Isolated
Timing of the precipitation: Before midnight
Temperature range:
Far northern southeast Missouri ~ 54° to 58°
Southeast Missouri ~ 54° to 58°
The Missouri Bootheel ~  54° to 58°
I-64 Corridor of southern Illinois ~ 54° to 58°
Southern Illinois ~ 54° to 58°
Extreme southern Illinois (southern seven counties) ~ 54° to 58°
Far western Kentucky ~ 54° to 58°
The Pennyrile area of western KY ~ 54° to 58°
Northwest Kentucky (near Indiana border) ~ 54° to 58°
Northwest Tennessee ~ 54° to 58°

Winds will be from this direction:  South southeast 7 to 14 mph
Wind chill or heat index (feels like) temperature forecast: 54° to 58°
What impacts are anticipated from the weather? Wet roadways.  Lightning.
Should I cancel my outdoor plans? No, but check the Beau Dodson Weather Radars
Moonrise:   3:28  AM
Moonset:   1:19 PM
The phase of the moon: Waning Crescent

 

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Weather Highlights

    1.   Quiet weather through Thursday night.
    2.   Weekend thunderstorms.

 

Weather advice:

As we prepare for spring, let’s make sure you have three to five ways of receiving your severe weather information.

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Forecast Discussion

Wow.  What an amazing streak of weather we are having.  The quiet weather continues.  It is unusual to have quiet weather in April.

Perfect temperatures, as well.

I don’t have any weather concerns today through Thursday.

An area of low pressure is developing in the Gulf of Mexico.   It will begin to move northward Thursday afternoon into Friday.

We will need to keep an eye on how far north this low travels.  Some of the data brings it into western Tennessee tomorrow afternoon and evening.  That would mean a few showers and thunderstorms for western Tennessee and Kentucky.  Perhaps the Bootheel of Missouri.

The bulk of the guidance, however, keeps is farther south for a longer period of time.  This would keep our region dry Thursday and Thursday night.

By Friday, the low will have moved far enough north northeast to bring a few showers and thunderstorms to western Tennessee and western Kentucky.  The farther south and east you travel, the higher the chance of running into a shower or thunderstorm will be.  The majority of the region will remain dry through Friday night.

Another area of low pressure will develop over the Great Lakes Friday night into Saturday night.  This system will draw moisture northward into our region.

At the same time, a cold front will push eastward into the region.  This will help spark showers and thunderstorms.

Rainfall totals of 0.10 to 0.40″ are anticipated.  Slightly higher in heavier thunderstorms.

There is not a lot of instability for this system to work with.  There should be just enough, however, for a few of the thunderstorms to be intense.  I can’t rule out a damaging wind and hail report or two.  There is a low-end risk of severe thunderstorms.

The Storm Prediction Center has outlined us in a low end risk of severe weather Saturday.

Saturday’s outlook

The system will pull out of the region by Sunday.  That will bring a return of dry conditions Sunday into Tuesday.

Temperatures will be warm over the next few days, but somewhat cooler behind the cold front by Sunday and Monday.

 



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This outlook covers southeast Missouri, southern Illinois, western Kentucky, and far northwest Tennessee.

Today through April 18th:  A couple of the Saturday thunderstorms could produce damaging wind and hail.  There is a low-end severe weather risk Saturday.

 

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Today’s Storm Prediction Center’s Severe Weather Outlook

Light green is where thunderstorms may occur but should be below severe levels.

Dark green is a level one risk. Yellow is a level two risk. Orange is a level three (enhanced) risk. Red is a level four (moderate) risk. Pink is a level five (high) risk.

One is the lowest risk. Five is the highest risk.

A severe storm is one that produces 58 mph wind or higher, quarter size hail, and/or a tornado.

Explanation of tables.  Click here.

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Tornado Probability Outlook

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Large Hail Probability Outlook

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High wind Probability Outlook

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Tomorrow’s severe weather outlook.

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Day Three Severe Weather Outlook

 

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The images below are from NOAA’s Weather Prediction Center.

24-hour precipitation outlook..
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48-hour precipitation outlook.
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Again, as a reminder, these are models. They are never 100% accurate. Take the general idea from them.

What should I take from these?

  1. The general idea and not specifics. Models usually do well with the generalities.
  2. The time-stamp is located in the upper left corner.

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What am I looking at?

You are looking at computer model data.  Meteorologists use many different models to forecast the weather.

Occasionally, these maps are in Zulu time.  12z=7 AM.  18z=1 PM.  00z=7 PM. 06z=1 AM

Green represents light rain.  Dark green represents moderate rain.  Yellow and orange represent heavier rain.

This  animation is the GFS Model.

 

This  animation is the EC Model.

 

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.Average high temperatures for this time of the year are around 65 degrees.

Average low temperatures for this time of the year are around 45 degrees.

Average precipitation during this time period ranges from 0.80″ to 1.00″

Six to Ten Day Outlook.

Blue is below average.  Red is above average.  The no color zone represents equal chances.

Average highs for this time of the year are in the lower 60s.  Average lows for this time of the year are in the lower 40s.

Green is above average precipitation.  Yellow and brown favors below average precipitation.  Average precipitation for this time of the year is around one inch per week.

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Average high temperatures for this time of the year are around 65 degrees.

Average low temperatures for this time of the year are around 45 degrees.

Average precipitation during this time period ranges from 0.80″ to 1.00″
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Eight to Fourteen Day Outlook.

Blue is below average.  Red is above average.  The no color zone represents equal chances.

Green is above average precipitation.  Yellow and brown favors below average precipitation.  Average precipitation for this time of the year is around one inch per week.

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National map of weather watches and warnings. Click here.

Storm Prediction Center. Click here.

Weather Prediction Center. Click here.

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Live lightning data: Click here.

Real time lightning data (another one) https://map.blitzortung.org/#5.02/37.95/-86.99

Our new Zoom radar with storm chases

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Here are the latest lake stage forecast numbers for Kentucky Lake and Lake Barkley Click Here.

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