Thursday September 23 2021
Heavy rain has already fallen in our region, and more is expected this morning. This slow moving cold front will take all day to reach the coast, allowing for more downpours and flooding.
The temperature contrast is impressive ranging from 40s in the mountains to upper 70s to central Maryland.
Metro areas plan for cooler air by lunchtime. We all get into the chill tonight. See the maps below.
Flooding Alerts This Morning
- Flood Watch continues for the region.
- Flood Warnings issued for some river valleys.
- Coastal Flood Advisory along the Chesapeake Bay- due to a strong south wind pushing up water and restricting normal tide flow.
4 AM to 6 AM
The flow of heavy cells and lines of rain continue to flow south to north over the same areas.
Notice the enhancement along the Chesapeake Bay in the last few frames…
There is a chance some cells turn severe before noon. Heads up for possible warnings that may be issued.
A few bands of downpours will be crossing metro areas as the front itself slowly moves east.
Radar Simulation —> slider
Morning Surface Weather
Morning Jet Stream
The reason the front is so slow moving has been the high circulation around this upper level Low. That has also developed a low level jet streak, forcing the storm cells/lines from south to north.
The contrast is impressive… From 40s in Western Maryland to upper 70s in central Maryland and Delmarva.
Mid Day Temperatures
Weather Almanac: Climate Data
TODAY September 23
Normal Low in Baltimore: 56ºF
Record 40ºF in 1983
Normal High in Baltimore: 77ºF
Record 98º F 1970
7 Day Forecast
14 Local Maryland Pages (and York PA)
We have made a page for Maryland Weather which gives you the current conditions for 14 present area locations.
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