Monday April 13 2020

Today is going to be a rough weather day. It has already started with early morning storms that have produced local flooding and wind damage. We still have a risk for severe storms into the afternoon that may produce large hail and isolated tornadoes.

Here is a look at the storm threat with two timeline sliders: Radar Simulation and Wind Direction/Speed Timeline. Also see my notes and suggestions, the daily Weather Collection Lab, and chance for snow Wednesday morning.

Severe Storm Risk

🌪 Isolated Tornados

🧊 Large Hail over 1 inch diameter

💨 Wind Gusts 50 to 70 mph

🌧 Flash Flooding with heavy downpours


Morning Radar Loop

We have already seen over 1 inch of rain and flash flooding. This loop is 3 hours up to 9 AM


Storm Simulation —> slider

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The High Wind Warning signals gusts widespread between 50 and 70 mph.  This is in addition to the storm risk, but what is more important to consider is the soggy, soft soil from the rain AND the changing direction of the wind. The strongest winds may come as or just after the line of storms passes by, getting that push (or punch) from another direction.

High Wind Warning/Advisory 


Wind Timeline —> slider

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Peak Wind Gusts

Storms are classified as severe if they:

  • Winds exceed 58 mph
  • Hail over 1 inch diameter
  • Potential Flooding: Heavy rain could produce over 1 inch per hour rainfall rates.

⚠️ Alert Types

  • Watch: It MIGHT Happen. Watching for potential with developing weather
  • Warning:IT IS HAPPENING NOW! Track it as it moves in a defined.

💨 Wind Damage Risk: The high winds are one thing, but the soft ground AND changing wind direction is the main reason there is increased chance for trees and power lines to get knocked down.

⚡️Power Outages are possible. Plan Ahead:

  • Charge up all of your devices. Including all battery packs you may have.
  • Take put your batteries and flashlights.
  • If we lose power in Quarantine- That might not be fun! Parents, have some plan ready for your kids.

🌳🏠 I hope you took some time to tie down potted plants and outdoor furniture or just bring them inside. A lot of things will be blowing around.

🏥 Popup Hospital Tents in cities all across the Northeast may become dangerous. 


Weather Stats: Click here for the Daily Weather Collection Lab


Forecast Animation

The cold air following this storm will bring in a disturbance on Wednesday morning. There will be snow mixed in between midnight and sunrise. It likely will not stick, but inland areas might get a quick coating.  The temps remain chilly into the weekend.


Temperature Outlook

After the chance for wet snow and the winds ease, we could have frost inland Thursday and Friday mornings.


Please share your thoughts, best weather pics/video, or just keep in touch via social media


Maryland Trek 7 

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Maryland Trek 7



Water Spout OR Scud Cloud on videos and photos near Middle River Maryland

Other  Links:

When is the typical last freeze or frost?

See more here


Baltimore Weather At BWI May Not Be As Hot As Reported

Construction at the airport close to the weather station may be added artificial heat. Click here or the image for the details.



Was Your County Not Included?

Click this map for more on the regional forecast zones


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