Thursday April 30

We are in the thick of the storm now, as I write this at 12 PM.  Now is the time we watch the Meso-Low form along the front which can slow it down and enhance the rainfall. I’ve highlighted that on the map above.  This post has updated advisories and a new radar simulation below.

As expected, the National Weather Service expanded the Wind Advisory to some of the Maryland counties west of the Bay. Winds have already gusted over 30 mph in many locations, with some spots pushing 50 mph on Delmarva.  The strongest winds will be this afternoon. That will coincide with the heaviest of the rain. If you have watched the radar, you may have noticed how slow the line is moving. This is the reason for the flooding potential with a longer period of time in the path.

Wind Advisory/High Wind Warning

 

Wind Gusts Reported at Noon

Note: BWI was at 28 mph, but did record a 40 mph gust at 9 AM. Stronger winds re expected through later this afternoon. This will be most impactful by the water and on hill tops facing south.

 

Rainfall

Flood Watch/Warning

Flooding has already occurred for heavy rain and high water on the Bay. We will watch some spots see an additional 1 to 2 inches between now and this evening.

Radar Loop

3 Hours

Here we can see the heaviest rain in yellow and orange.  The line is slowly moving east, but the bands of rain are pumping from south to north.

 

 

Radar Snapshot at Noon

Compare this image to the first view in the slider below. This is give an idea how well the model (germinated this morning) has been handling the short range forecast.

 

Radar Simulation Timeline —> slider

Noon to 10 PM

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Slider

 

Looking Ahead

  • Friday: Rain showers redevelop.
  • Saturday: Dry and mild. *Pick of the weekend.
  • Sunday: Rain will race back in by afternoon

 

 

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Maryland Trek 7 

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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

 

Maryland Trek Cycle Jerseys From Hill Killer

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