Oct 25, 2021
Noreaster Will Bring Downpours, Damaging Wind Gusts, Possible Power Outages, Flash Flood Risk
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A rapidly developing, rare fall Nor'easter will bring heavy downpours, flash flooding, and damaging wind gusts to the region that could cause power outages.
The time frame for storm activity is Monday evening, Oct. 25 through Tuesday afternoon, Oct. 26. (See the first and second images above.)
Rainfall totals of 2 to 4 inches with locally higher amounts are possible.For projected rainfall totals, click on the third image above.
Rainfall rates may exceed one inch per hour at times, and heavy rain may produce areas of flash flooding, the National Weather Service said in a Hazardous Weather Outlook statement issued Monday morning.
Monday will be damp and dreary with a chance of rain throughout the day followed b storms and showers starting in the mid-afternoon and continuing through the evening. The high temperature will be around 70 degrees.
There will be showers at times on Tuesday along with rain, which will be heavy at times. The high temperature will be in the low 60s.
A Flash Flood Watch is in effect for much of the region from 8 p.m. Monday until 5 p.m. Tuesday.
Look for more showers on Wednesday, Oct. 27 with a high temperature in the upper 50s.
After a respite from the wet weather on Thursday, Oct. 28 with mostly sunny skies, showers will return Thursday night and linger at times through Saturday, Oct. 30.
The preliminary outlook for Halloween on Sunday, Oct. 31 calls for partly sunny skies.
A week later, at 2 a.m. Sunday, Nov. 7, it will be time to “fall back” one hour with the end of Daylight Saving Time.
- Related story: Winter 2021-22 Forecast Released By NOAA National Weather Service
Check back to Daily Voice for updates.
News Source: dailyvoice.com
Maryland Weather: The Latest Update On The Potential For Wintry Precipitation Wednesday
BALTIMORE (WJZ) — The WJZ Weather team has been closely monitoring the potential for wintry precipitation as we head into Wednesday. There have been some changes in recent numeric weather prediction that show a downward trend in moisture availability and overall precipitation amounts.
The GFS model has shown the most significant change with model output. On Monday, the model was suggesting that nearly 4 inches of snow was possible in the Baltimore area, and it has significantly backed off today, now showing less than 1 inch of potential accumulation. This model has been the outlier over the past several days and model runs, and we are happy to see it trending more in line with other computer models in the “less than 1 inch” category.
The graphic below represents two pieces of energy that we have been monitoring over the past couple of days. The northern piece of jet stream energy is trending weaker. This weaker trend and timing with the southern jet stream energy has lead us to lower the snow threat for tonight and tomorrow. Unfortunately, this is less than a cut-and-dry forecast with discrepancies on the timing and track of these two very important players in the game. At this juncture, a few snow showers are still possible tomorrow morning and afternoon. As temperatures warm, it is likely that any snow shower will begin to mix with rain.
Here are some key takeaways with this precipitation event:
-This really looking like a minor-to-no impact event for us in central Maryland.
-If accumulations do occur, they will be less than 1 inch, and it’s entirely possible that some areas trend completely dry.
-While there could be some slick spots north and west on untreated roads, most roads stay wet rather than white.