September 15 Still Humid With Storm Risk Later

Wednesday September 15 2021

Still quite humid as we start another hot day. This time a cold front should help to stir up some more wind, which may help how it feels.

Storms will develop in the mountains where a Slight Risk (level 2 of 5) for storms to turn severe. This will be mainly in the mountains west and north of Baltimore.

Severe Storm Risk

The Slight Risk region may see large hail and damaging wind.

Part of this is a timing issue. While one or two cells may arrive late afternoon in north central Maryland, the bulk of the line reaches central after dark. Thus, losing the daytime heating. That is why the risk is only ‘marginal’, but still could have some boomers and downpours overnight.

Radar Simulation —-> slider

Afternoon Temperatures

Weather Almanac: Climate Data

TODAY September 15

Normal Low in Baltimore: 59ºF

Record 43ºF in 1985

Normal High in Baltimore: 80ºF

Record 94º F 1970

Morning Surface Weather

Storm Outlook

This GFS Model plot shows the widespread moisture with the remnants of Nicholas along the Gulf to our cold front.

We will need to watch Low Pressure off of the east coast over the next few days. This may keep the risk of showers around into Saturday, then we clear out Sunday into early next week.

Temperatures Thursday

Morning