vastateofmind Posted April 13, 2020 Share Posted April 13, 2020 One last bit of development in Springfield/Franconia areas just to my west, at the end of the the main line trailing through the District right now. Just had a shower go through, hope to catch at least a rainbow on that last bit's passage overhead. We'll see. 81 degrees out, though...and still a little sticky out. Link to comment Share on other sites More sharing options...
Mrs.J Posted April 13, 2020 Share Posted April 13, 2020 Holy cow! Winds are insane behind that line. Had about 30 min of blue sky then clouds rolled in and stuff is blowing all over the place. Temp back up to 71 after going down to 68 when the storms came through. Link to comment Share on other sites More sharing options...
H2O Posted April 13, 2020 Share Posted April 13, 2020 8 minutes ago, mappy said: ill take mammatus over most things in a severe event. no wind here, or hail. but boob clouds? HECK YES I dunno. Shelfies and whales mouth are top notch too. But who doesn’t like boob clouds? 1 Link to comment Share on other sites More sharing options...
H2O Posted April 13, 2020 Share Posted April 13, 2020 Just now, vastateofmind said: One last bit of development in Springfield/Franconia areas just to my west, at the end of the the main line trailing through the District right now. Just had a shower go through, hope to catch at least a rainbow on that last bit's passage overhead. We'll see. 81 degrees out, though...and still a little sticky out. My kid wanted to go out and shoot hoops and before she got out the door that cell started raining here. Good call on the rainbow on the backside. Gonna have to look 1 Link to comment Share on other sites More sharing options...
mappy Posted April 13, 2020 Share Posted April 13, 2020 Just now, Mrs.J said: Holy cow! Winds are insane behind that line. Had about 30 min of blue sky then clouds rolled in and stuff is blowing all over the place. Temp back up to 71 after going down to 68 when the storms came through. good to know. guess i should expect winds to pick up soon enough. Just now, H2O said: I dunno. Shelfies and whales mouth are top notch too. But who doesn’t like boob clouds? agree. whales mouths are great too, but boob clouds! i'm so immature 1 Link to comment Share on other sites More sharing options...
Eskimo Joe Posted April 13, 2020 Share Posted April 13, 2020 Solid line running through the eastern shore. Per Dover radar, there are several pixels of nearly 70kt winds just north of Starr, MD. 1 Link to comment Share on other sites More sharing options...
H2O Posted April 13, 2020 Share Posted April 13, 2020 Oh and 2.46” rain for the day. Drought buster and if this isn’t a kick in the nuts. My daily rain for today was more than my total snow for the winter. 2 1 Link to comment Share on other sites More sharing options...
Eskimo Joe Posted April 13, 2020 Share Posted April 13, 2020 We definitely verified on the lower end of things but it was still a solid slight risk event. We were so close to this being a solid regionwide event though. Link to comment Share on other sites More sharing options...
JakkelWx Posted April 13, 2020 Share Posted April 13, 2020 Biiig wind gust incoming. This storm is hauling a*s Link to comment Share on other sites More sharing options...
Bodhi Cove Posted April 13, 2020 Share Posted April 13, 2020 16 minutes ago, Eskimo Joe said: Some mesonet gusts of 68 to 72 mph in Anne Arundel and Howard Counties... Yeah, it appears that the Patapsco River was a delineation line of sorts. Husband on the Anne Arundel side of the Key Bridge said that they probably got about a 65 mph gust there. But on the Baltimore County side of the Key Bridge it was surprisingly weak. Link to comment Share on other sites More sharing options...
Eskimo Joe Posted April 13, 2020 Share Posted April 13, 2020 Appears to be several eddies from Sudlersville, to Bridgetown on the eastern shore. Any of them look good for a quick spin up. 1 Link to comment Share on other sites More sharing options...
Eskimo Joe Posted April 13, 2020 Share Posted April 13, 2020 Just now, Eskimo Joe said: Appears to be several eddies from Sudlersville, to Bridgetown on the eastern shore. Any of them look good for a quick spin up. Hah! Quote BULLETIN - EAS ACTIVATION REQUESTED Tornado Warning National Weather Service Mount Holly NJ 326 PM EDT Mon Apr 13 2020 The National Weather Service in Mount Holly NJ has issued a * Tornado Warning for... Southern Kent County in central Delaware... East central Queen Anne's County in northeastern Maryland... Northeastern Caroline County in eastern Maryland... * Until 400 PM EDT. * At 325 PM EDT, a severe thunderstorm capable of producing a tornado was located near Oakland, or 9 miles east of Centerville, moving east at 50 mph. HAZARD...Tornado. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely. * Locations impacted include... Dover, Harrington, Camden, Greensboro, Goldsboro, Woodside, Viola, Rising Sun-Lebanon, Rising Sun, Hazlettville, Dover Base Housing, Sandtown, Wyoming, Felton, Frederica, Houston, Magnolia, Henderson, Riverview and Highland Acres. 2 Link to comment Share on other sites More sharing options...
JakkelWx Posted April 13, 2020 Share Posted April 13, 2020 Tornado warning The National Weather Service in Mount Holly NJ has issued a * Tornado Warning for... Southern Kent County in central Delaware... East central Queen Anne`s County in northeastern Maryland... Northeastern Caroline County in eastern Maryland... * Until 400 PM EDT. * At 325 PM EDT, a severe thunderstorm capable of producing a tornado was located near Oakland, or 9 miles east of Centerville, moving east at 50 mph. HAZARD...Tornado. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely. Link to comment Share on other sites More sharing options...
WEATHER53 Posted April 13, 2020 Share Posted April 13, 2020 I’ve stayed at Congress Hall a few times so sad to see it get ripped. I hope very few of those really fine buildings got smacked 2 Link to comment Share on other sites More sharing options...
Eskimo Joe Posted April 13, 2020 Share Posted April 13, 2020 Interesting how the 12z HRRR actually nailed today's storm mode and motion. Everything after that was crapola from an HRRR perspective. 1 Link to comment Share on other sites More sharing options...
CAPE Posted April 13, 2020 Share Posted April 13, 2020 11 minutes ago, JakkelWx said: Tornado warning The National Weather Service in Mount Holly NJ has issued a * Tornado Warning for... Southern Kent County in central Delaware... East central Queen Anne`s County in northeastern Maryland... Northeastern Caroline County in eastern Maryland... * Until 400 PM EDT. * At 325 PM EDT, a severe thunderstorm capable of producing a tornado was located near Oakland, or 9 miles east of Centerville, moving east at 50 mph. HAZARD...Tornado. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely. I was down at the end of my driveway taking a few shots of it approaching when the warning alert came across lol. Then a lightning bolt had be "running" back up the driveway in flip flops. 2 1 Link to comment Share on other sites More sharing options...
CAPE Posted April 13, 2020 Share Posted April 13, 2020 Was a pretty ordinary storm with heavy rain and some gusty winds here. If there was rotation it was just NE of me. If you look closely you can see a turkey buzzard gliding out in front. 10 Link to comment Share on other sites More sharing options...
SlowerLowerDE Posted April 13, 2020 Share Posted April 13, 2020 C.A.P.E. On radar south Dover looked like it got a pretty good hit from a tornado. I could not tell if it was the same cell that came by your or not. It was a separate warning. 2 Link to comment Share on other sites More sharing options...
Mrs.J Posted April 13, 2020 Share Posted April 13, 2020 7 minutes ago, C.A.P.E. said: Was a pretty ordinary storm with heavy rain and some gusty winds here. If there was rotation it was just NE of me. If you look closely you can see a turkey buzzard gliding out in front. This reminds me of where I grew up in NW Ohio. 1 Link to comment Share on other sites More sharing options...
CAPE Posted April 13, 2020 Share Posted April 13, 2020 Just now, Mrs.J said: This reminds me of where I grew up in NW Ohio. Very similar looking. 1 Link to comment Share on other sites More sharing options...
JakkelWx Posted April 13, 2020 Share Posted April 13, 2020 2 Link to comment Share on other sites More sharing options...
Stormfly Posted April 13, 2020 Share Posted April 13, 2020 Second round of storms came through here managed to produce a 61.3 mph peak. Heard a few limbs cracking. Glad it left as fast it came. 2.73" total. Performed about as expected TBH, we usually bust but the eastern shore gets the goods. I'm OK with that. Don't feel like breaking my back logging downed trees nor paying thousands for a pro to do it for me! Gotta save that money for a new drainfield, mine is 45 years old so it's only a matter of time. Link to comment Share on other sites More sharing options...
Vice-Regent Posted April 13, 2020 Share Posted April 13, 2020 I got what @C.A.P.E. experienced. Gusty rains and T&L. Best roll cloud aesthetically speaking in recent memory. All of the good ones have been at night. 1 Link to comment Share on other sites More sharing options...
Eskimo Joe Posted April 13, 2020 Share Posted April 13, 2020 That Kent Cointy cell put down some damage east of Dover AFB per Delaware State OEM. 2 Link to comment Share on other sites More sharing options...
Winter Wizard Posted April 13, 2020 Share Posted April 13, 2020 Ended up getting hit with an initial round of convection here in Annapolis before the main squall line went through. Part one actually had some pea-sized hail along with torrential downpours. Second one also had torrential downpours, but contained stronger winds. No reports of damage here, but friends in Rockville reported several downed trees in their neighborhood. 1 Link to comment Share on other sites More sharing options...
Eskimo Joe Posted April 14, 2020 Share Posted April 14, 2020 Yesterday in upper Montgomery County: Link to comment Share on other sites More sharing options...
Eskimo Joe Posted April 14, 2020 Share Posted April 14, 2020 1 Link to comment Share on other sites More sharing options...
Kmlwx Posted April 14, 2020 Author Share Posted April 14, 2020 Looks quiet for now. GFS had maybe a window around April 23rd. Link to comment Share on other sites More sharing options...
Eskimo Joe Posted April 15, 2020 Share Posted April 15, 2020 Couple of thoughts about this past event. These are my own casual observations, feel free to add/subtract/disagree. 1.) Severe weather events are messy here 9.9 times out of 10. We usually bust on the low side of things. No matter how animated the meso models are leading up to an event, always remain skeptical and rely on the nowcasting stuff the morning of to determine where everything is lining up. 2.) The warm front will struggle to push north of I-66 the night before the event. It seems that no matter what happens, warm fronts tend to settle out between I-66 and the Potomac and not make much progress until around late morning or lunch. The longer northward progression is delayed, the lower the chances of a middle to high end event. 3.) Big dynamics with okay instability beats great instability over meh dynamics. The February event and this past event on April 13th show that it doesn't take much surface based instability to get things going if upstairs is rocking. 4.) Sub 1000mb lows just to our NW don't go quietly into the night (Credit: @Rainshadow). The June, 2013 event, the Feb 2020 event and the April 13th event reinforce my thoughts on #3. 1 Link to comment Share on other sites More sharing options...
George BM Posted April 15, 2020 Share Posted April 15, 2020 4 hours ago, Eskimo Joe said: Couple of thoughts about this past event. These are my own casual observations, feel free to add/subtract/disagree. 1.) Severe weather events are messy here 9.9 times out of 10. We usually bust on the low side of things. No matter how animated the meso models are leading up to an event, always remain skeptical and rely on the nowcasting stuff the morning of to determine where everything is lining up. 2.) The warm front will struggle to push north of I-66 the night before the event. It seems that no matter what happens, warm fronts tend to settle out between I-66 and the Potomac and not make much progress until around late morning or lunch. The longer northward progression is delayed, the lower the chances of a middle to high end event. 3.) Big dynamics with okay instability beats great instability over meh dynamics. The February event and this past event on April 13th show that it doesn't take much surface based instability to get things going if upstairs is rocking. 4.) Sub 1000mb lows just to our NW don't go quietly into the night. The June, 2013 event, the Feb 2020 event and the April 13th event reinforce my thoughts on #3. Even the April 6, 2017 had fairly widespread strong winds and seven EF-0 tornadoes in northern VA... this with less than 250J/kg MUCAPE. That June 13, 2013 event could have been a memorable event area-wide if the morning MCS didn't hamper things. It was also the last time we had a moderate risk in the immediate region though it was downgraded to a SLGT at 1630z due to said morning MCS leaving us with AOB 1000 J/Kg MLCAPE. This is my opinion (not an expert): When dealing with a W/NW flow event with a fairly strong low-pressure system within the flow there will very often be a morning/early day MCS. This is because the previous days storms that develop in the Midwest often grow upscale during the evening and are able to survive the whole night due to the better dynamics and CAPE. With the forward speed that these MCSs usually have they very often reach us during the morning hours. An ideal thing with these regimes would be either the timing being a few hours faster so that we can get more midday/solar noon sunshine to destabilize the atmosphere more quickly for any later day activity (easier option) or a heat-dome already being in place so that any morning event would stay to the north while the low-pressure system approaches from the W/NW spawning another MCS (or just decent storms in general) during the afternoon to cruise through the region during the afternoon/evening (harder to pull off option). 1 Link to comment Share on other sites More sharing options...
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