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Saturday, July 18, 2026 Thunderstorm/Severe Weather Potential
SouthCoastMA replied to weatherwiz's topic in New England
MVY and BID stealing our rain. Steins 2026 modus operandi -
BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Baltimore MD/Washington DC 226 PM EDT Sat Jul 18 2026 The National Weather Service in Sterling Virginia has issued a * Severe Thunderstorm Warning for... South central Carroll County in north central Maryland... Northwestern Howard County in central Maryland... Northwestern Montgomery County in central Maryland... Southern Frederick County in north central Maryland... Northeastern Loudoun County in northern Virginia... * Until 315 PM EDT. * At 226 PM EDT, a severe thunderstorm was located near Ballenger Creek, or near Harry Grove Stadium, moving southeast at 15 mph. HAZARD...Golf ball size hail and 70 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect wind damage to trees and power lines. Hail is large enough to dent and damage vehicles. Some hail damage to roofs, siding, and windows is possible. * Locations impacted include... Germantown, Frederick, Damascus, Poolesville, Ballenger Creek, Mount Airy, New Market, Boyds, Green Valley, Point Of Rocks, Linganore-Bartonsville, Clarksburg, Adamstown, Buckeystown, Monrovia, Barnesville, Ijamsville, Mount Pleasant, Park Mills, and Lucketts.
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2026 Mid-Atlantic Severe Storm General Discussion
AlexD1990 replied to Kmlwx's topic in Mid Atlantic
Lol so they conveniently adjusted the tornado watch to include the tornadic supercell and somehow randomly kept DC in the stw- 1,095 replies
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WATCH COUNTY NOTIFICATION FOR WATCHES 495/496 NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 219 PM EDT SAT JUL 18 2026 MDC013-021-027-031-033-190100- /O.CAN.KLWX.SV.A.0496.000000T0000Z-260719T0100Z/ /O.EXA.KLWX.TO.A.0495.000000T0000Z-260719T0100Z/ THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 495 UNTIL 9 PM EDT THIS EVENING WHICH REPLACES A PORTION OF SEVERE THUNDERSTORM WATCH 496. THE NEW WATCH IS VALID FOR THE FOLLOWING AREAS IN MARYLAND THE NEW WATCH INCLUDES 5 COUNTIES IN CENTRAL MARYLAND HOWARD MONTGOMERY PRINCE GEORGES IN NORTH CENTRAL MARYLAND CARROLL FREDERICK THIS INCLUDES THE CITIES OF BALLENGER CREEK, BETHESDA, BOWIE, BOYDS, BUCKEYSTOWN, CLARKSVILLE, CLINTON, COLLEGE PARK, COLUMBIA, ELDERSBURG, FOUR CORNERS, FREDERICK, GAITHERSBURG, GAMBER, GERMANTOWN, GLENMONT, GREENBELT, HISTORIC ELLICOTT CITY, MONTPELIER, PARK MILLS, SILVER SPRING, SIMPSONVILLE, SUITLAND-SILVER HILL, TANTALLON, WESTMINSTER, AND WOODSTOCK. $$
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Lot of thunder and lightning but first storm went North and second storm with the tornado went south.
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That seems odd
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Tornado Warning MDC021-031-VAC107-181845- /O.NEW.KLWX.TO.W.0015.260718T1816Z-260718T1845Z/ BULLETIN - EAS ACTIVATION REQUESTED Tornado Warning National Weather Service Baltimore MD/Washington DC 216 PM EDT Sat Jul 18 2026 The National Weather Service in Sterling Virginia has issued a * Tornado Warning for... Northwestern Montgomery County in central Maryland... Southwestern Frederick County in north central Maryland... Northeastern Loudoun County in northern Virginia... * Until 245 PM EDT. * At 216 PM EDT, a severe thunderstorm capable of producing a tornado was located over Point Of Rocks, or 8 miles southwest of Harry Grove Stadium, moving southeast at 25 mph. HAZARD...Tornado and golf ball size hail. SOURCE...Radar indicated rotation. IMPACT...For those in the direct path of a tornado touchdown, flying debris will be dangerous to those caught without shelter. Damage to roofs, siding, and windows may occur. Mobile homes may be damaged or destroyed. Tree damage is likely. * This tornadic thunderstorm will remain over mainly rural areas of northwestern Montgomery County in central Maryland, southwestern Frederick County in north central Maryland and northeastern Loudoun Counties in northern Virginia, including the following locations... Dickerson, Doubs, Park Mills, Tuscarora, Adamstown, Barnesville, and Buckeystown. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW! Move to a basement or an interior room on the lowest floor of a sturdy building. Avoid windows. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3929 7760 3935 7755 3929 7731 3916 7745 TIME...MOT...LOC 1816Z 301DEG 20KT 3931 7752 TORNADO...RADAR INDICATED MAX HAIL SIZE...1.75 IN $$ KLW
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#alwaysmaryland
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E PA/NJ/DE Summer 2026 Obs/Discussion
Newman replied to PhiEaglesfan712's topic in Philadelphia Region
You can find the warm front pretty clearly on the latest 18z SBCAPE mesoanalysis. Surface obs are also evident... middle 80s in York, southern Lanco, Philly right now, but low to middle 70s still across the rest of SE PA. I do think this warm front will continue to lift northward but I don't have much confidence in how much in the next 3-4 hours. Some of that messy cloud debris near Harrisburg appears to be thinning out as it slides eastward, and we're getting more sunshine across the Lehigh Valley... All of that to say I think the Trenton/KOP/Philly area will maximize instability and low-level shear just south of the warm front. We shall see... -
WATCH COUNTY NOTIFICATION FOR WATCHES 495/496 NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 219 PM EDT SAT JUL 18 2026 MDC013-021-027-031-033-190100- /O.CAN.KLWX.SV.A.0496.000000T0000Z-260719T0100Z/ /O.EXA.KLWX.TO.A.0495.000000T0000Z-260719T0100Z/ THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 495 UNTIL 9 PM EDT THIS EVENING WHICH REPLACES A PORTION OF SEVERE THUNDERSTORM WATCH 496. THE NEW WATCH IS VALID FOR THE FOLLOWING AREAS IN MARYLAND THE NEW WATCH INCLUDES 5 COUNTIES IN CENTRAL MARYLAND HOWARD MONTGOMERY PRINCE GEORGES IN NORTH CENTRAL MARYLAND CARROLL FREDERICK THIS INCLUDES THE CITIES OF BALLENGER CREEK, BETHESDA, BOWIE, BOYDS, BUCKEYSTOWN, CLARKSVILLE, CLINTON, COLLEGE PARK, COLUMBIA, ELDERSBURG, FOUR CORNERS, FREDERICK, GAITHERSBURG, GAMBER, GERMANTOWN, GLENMONT, GREENBELT, HISTORIC ELLICOTT CITY, MONTPELIER, PARK MILLS, SILVER SPRING, SIMPSONVILLE, SUITLAND-SILVER HILL, TANTALLON, WESTMINSTER, AND WOODSTOCK.
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Saturday, July 18, 2026 Thunderstorm/Severe Weather Potential
weatherwiz replied to weatherwiz's topic in New England
Yeah real tough to tell. Looks like there may be some breaks behind this stuff so we’ll see. Probably going to struggle to get enough CAPE though unless we can really pump the dews -
2026 Mid-Atlantic Severe Storm General Discussion
Eskimo Joe replied to Kmlwx's topic in Mid Atlantic
Frederick/Montgomery County going to be swapped from a Severe Thunderstorm Watch to a Tornado Watch- 1,095 replies
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Fwiw, Radarscope is tagging max hail of 3.5"
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Rainfall rates are legit. Someone might get 2”+ imo
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2026 Mid-Atlantic Severe Storm General Discussion
AlexD1990 replied to Kmlwx's topic in Mid Atlantic
Looks like it was just issued- 1,095 replies
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2026 Mid-Atlantic Severe Storm General Discussion
AlexD1990 replied to Kmlwx's topic in Mid Atlantic
STW up for y'all bordering the tornado watch. Serious question for anyone, just how legitimate is the tornado threat on the Delmarva today? I have learned not to trust warm fronts...- 1,095 replies
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FDK storm really needs a TW...
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Well I thought it weakened, but just got pulsed by serious downpours and a gust that briefly knocked out power. Places getting cored by this storm are gonna love it.
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2026 Mid-Atlantic Severe Storm General Discussion
Eskimo Joe replied to Kmlwx's topic in Mid Atlantic
Wow, 55,000 ft tops on the warned storm just south of Charles Town!- 1,095 replies
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Snapshot of rainfall totals so far. Quite certain there are much higher totals in between these reporting sites. These drenching downpours are highly localized. I am also of the belief that anything truly severe is going to be south of a TTN to Sandy Hook line. I'm actually fairly confident on that and it could be a nasty go for some late this afternoon into the evening along and south of I195.
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Saturday, July 18, 2026 Thunderstorm/Severe Weather Potential
tamarack replied to weatherwiz's topic in New England
Still at cloudy 65°, not a great sign of convection to come. -
2026 Mid-Atlantic Severe Storm General Discussion
Eskimo Joe replied to Kmlwx's topic in Mid Atlantic
Yup. We'll see that severe thunderstorm watch in the next 20 min I reckon.- 1,095 replies
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E PA/NJ/DE Summer 2026 Obs/Discussion
LVblizzard replied to PhiEaglesfan712's topic in Philadelphia Region
Sun is starting to peek out in Lehigh County. A little quicker than I expected. Hopefully that little blob of rain out near Harrisburg either fizzles or passes to the south so the atmosphere can continue to destabilize. -
Rain was so intense that the weepholes couldn’t keep up on our new window. I had to put a towel to catch overflow. The tray filled up. Thankfully i was home
