George BM

Occasional lightning/thunder here in Herndon.

IAD got down to 34F.

I remember this day very well. One of a few times during my grade-school years when there was a thunderstorm during school hours (5th grade). The good stuff was to my east but there was heavy rain and occasional lightning and it was really dark blue outside.

Schumacher actually has much of the area in 15% for Sunday. https://schumacher.atmos.colostate.edu/hilla/csu_mlp/csu_severe.php?date=20251016&version=2021&day=4&product=severe_ml_day4_gefso&day_str=1020&init=00

@bigtenfan@Scott747 Title update?

Friday, October 31, 2025 8:31AM EDT Winter Storm Warning in effect from 3PM EDT this afternoon until midnight Saturday, November 1, 2025. Moderate to heavy rain continues to move through the region this morning with a few elevated thunderstorms towards central VA and southern MD. This activity will taper off to a few showers and drizzle by lunchtime. Temps all the while remaining unseasonably cold with upper 30s/ lower 40s commonplace. By the early afternoon our attention turns to the powerful and sharp shortwave trough approaching from the WSW providing ample lift for showers and elevated thunderstorms to move into and develop over the I-81 corridor. Mid-level temps will also cool as the shortwave moves in resulting in increased elevated instability with MUCAPE in excess of 250 J/kg possible. As we get into the mid-afternoon hours numerous bands of showers and elevated thunderstorms will overspread the region. The strongest storms could have small to medium sized hail (up to penny sized). As heights crash as the shortwave moves in strong dynamic cooling will take place resulting in rain changing over to a very heavy wet snow from west to east (most likely around 2pm along the 1-81 corridor. 3-5pm in the urban corridor and after 5pm east of I-95.) Snowfall rates will be very heavy in excess of 3-4 inches per hour (possibly 5”+/hr in the heaviest convective bands) w/ occasional lightning from convective elements continuing through the evening. Winds will gust upwards of 30 to 40 mph as the surface low rapidly deepens over the Delmarva peninsula resulting in near-zero visibility at times with the snow. Although this will be a quick hitting storm with snowfall tapering off everywhere before midnight the extreme snowfall rates will result in snowfall totals of 14 to 20 inches being commonplace throughout the majority of the forecast area with localized amounts approaching 24 inches possible. Snow drifts could exceed 4 feet. Furthermore, with the wet paste-like consistency of the snow expected, widespread tree damage and power outages are probable. Once snow tapers off skies will clear overnight with temperatures settling in the mid 20s to lower 30s. Temperatures will remain below average with 40s for highs and 20s for lows through the weekend and into next week. This is going to be a very high impact event that the area will feel the effects from for weeks to come. Please make sure you have a way to get electricity and stay up to date with the changing weather conditions.

Shorter days. Cooler nights. Increasing festiveness. Lowering humidity. Decreasing mosquitos.

Virginia Beach.

Joaquin of 2015 is the one for me.

1.13" for the event total here. Side note: The evening twenty-two years ago today was a gorgeous 10/10.

Happy Climatological Peak of Atlantic Hurricane Season Day!

IAD bottoming out at 47F.

0.03" here yesterday through early this morning.

Tuesday, September 16, 2025 Tornado Emergency remains in effect for northern Baltimore City and central Baltimore county until 5:45PM EDT. At 5:32PM a confirmed large and destructive tornado was located near Pikesville, MD moving northeast at 50 mph. Locations impacted include Pikesville, Stevenson, Brooklandville, Mays Chapel, Cockeysville, Hunt Valley, Ashland, Timonium, Phoenix, Jacksonville. This tornado has a history of producing catastrophic damage across parts of Montgomery and Howard counties in Maryland. This is a life-threatening situation. Everyone in the warned area must be underground in a basement until the storm passes.

Crisp unsummer-like weather continues. Happy Meteorological/Climatological Fall.