NeffsvilleWx Posted June 14, 2013 Share Posted June 14, 2013 I left Woodlawn at 4, got to Odenton at 4:45, which took me by the airport area. By the time I got to I-195, the sun was coming out. While I'm by no means spotter trained, I saw nothing of suspicion. I'm certainly not an expert either, but I didn't see any rotation on level 2 radar data, and I was watching it pretty closely as I have family in Severn. Link to comment Share on other sites More sharing options...
smokeybandit Posted June 14, 2013 Share Posted June 14, 2013 Though there were some pretty neat (that's the technical term right?) bright white clouds in front of the dark blue backdrop of the storm. I assumed this was something to do with the storm getting over water? Link to comment Share on other sites More sharing options...
BlizzardNole Posted June 14, 2013 Share Posted June 14, 2013 LOL just watched that video from 97.1. They thought that whole rain shaft was a large tornado. What would people from the Plains states think of that clip? Link to comment Share on other sites More sharing options...
ThePhotoGuy Posted June 14, 2013 Share Posted June 14, 2013 Your backyard is beautiful. I am so jealous! I really need to leave crummy MoCo in favor of a place on the bay! Atleast until I relocate permently to a place in the coastal south. Thank you! I am very lucky to live in a waterfront community that has many water accesses which is often hard to find around here. Link to comment Share on other sites More sharing options...
mitchnick Posted June 14, 2013 Share Posted June 14, 2013 looks like BWI would have gotten around 1/2" of snow on .04" qpf with the backlash this morning Link to comment Share on other sites More sharing options...
IsentropicLift Posted June 14, 2013 Share Posted June 14, 2013 Even though it shouldn't is still amazes me how some of the general public is to stupid to realize the difference between straight line winds in a thunderstorm and an actual tornado. Link to comment Share on other sites More sharing options...
Yeoman Posted June 14, 2013 Share Posted June 14, 2013 I guess all the anti-derecho people are wrong Steve Rudin ABC7 @SteveRudinABC7 12m It's official! On 12-13 June 2013 a low-end derecho moved over 600 miles & 150+ damaging wind reports. #BREAKING Our Derecho is now forming over northern Illinois no. Suck it Link to comment Share on other sites More sharing options...
Ian Posted June 14, 2013 Share Posted June 14, 2013 Since SPC doesn't post their criteria anywhere not sure what it is specifically but the event did not meet the initial Fujita definition of a derecho. Regardless, it produced like 5 reports around here.. Link to comment Share on other sites More sharing options...
Quincy Posted June 14, 2013 Share Posted June 14, 2013 An interesting thing here was that some of the climo data was hitting areas further south hard. Here's a 72hr analog-based "forecast" from the GFS from 00z 11, valid for the 13th. Not bad actually... Link to comment Share on other sites More sharing options...
Ian Posted June 14, 2013 Share Posted June 14, 2013 I'm not sure it was that clear where the focus would be. The timing argued for south and east of DC for the most widespread. But if it was not for that initial shift from the morning system we probably would have had a more significant event. Arguably, in retrospect, we should have maybe anticipated that cold pool to do what it did despite model simulations. Link to comment Share on other sites More sharing options...
mattie g Posted June 14, 2013 Share Posted June 14, 2013 LOL just watched that video from 97.1. They thought that whole rain shaft was a large tornado. What would people from the Plains states think of that clip? Probably thinking that it's someone who mistook a rain shaft with straight line winds for a tornado because they rarely see them and the media was hyping things up as the end of days. They would probably think that the people in the video are lucky to not know the difference between a rain shaft/straight line winds and a tornado because tornados destroy lives. Even though it shouldn't is still amazes me how some of the general public is to stupid to realize the difference between straight line winds in a thunderstorm and an actual tornado. It shouldn't surprise you. Why should the general public, most of whom will never experience a tornado in their lives, be able to tell the difference between them, especially on a day when there was all kinds of hyping up of tornado possibilities? Ads I wouldn't call the general public "stupid" because of that (though you can argue the general public is generally dumb). It's simply naïveté. Link to comment Share on other sites More sharing options...
Ian Posted June 14, 2013 Share Posted June 14, 2013 Even when you've seen a tornado it can be tricky identifying all the features leading up etc. Think public 'wishing' for things seen to be a tornado is that tornadoes are sexier than regular winds. Plus the power of suggestion.. If you're under a warning and see low hanging clouds you probably run to thinking its a tornado. Link to comment Share on other sites More sharing options...
mfgmfg Posted June 14, 2013 Share Posted June 14, 2013 http://cimss.ssec.wisc.edu/goes/blog/archives/13264 has a 125 megabyte GIF of GOES-14 SRSO (1min interval rapid scan) data of yesterday's visible clouds Also the blog mentions that the new GOES-R will be able to do 30 second scans with no breaks for station keeping Link to comment Share on other sites More sharing options...
Kmlwx Posted June 15, 2013 Share Posted June 15, 2013 ...TORNADO CONFIRMED IN MONTGOMERY COUNTY MARYLAND...LOCATION...NORTH POTOMAC TO BURTONSVILLE IN MONTGOMERY COUNTY MARYLANDDATE...JUNE 13 2013ESTIMATED TIME...3:41 PM EDT TO 3:59 PM EDTMAXIMUM EF-SCALE RATING...EF-0ESTIMATED MAXIMUM WIND SPEED...75 MPHMAXIMUM PATH WIDTH...150 YARDSPATH LENGTH...17.3 MILESBEGINNING LAT/LON...39.091N / 77.269WENDING LAT/LON...39.108N / 76.947W* FATALITIES...0* INJURIES...0* THE INFORMATION IN THIS STATEMENT IS PRELIMINARY AND SUBJECT TOCHANGE PENDING FINAL REVIEW OF THE EVENT(S) AND PUBLICATION INNWS STORM DATA. Link to comment Share on other sites More sharing options...
Kmlwx Posted June 15, 2013 Share Posted June 15, 2013 At it's closest approach that tornado was probably about 2.5-3 miles from me. It probably passed right near or directly on top of the school where my mom works! ...SUMMARY...EYEWITNESS ACCOUNTS...RADAR IMAGERY...AND A GROUND SURVEY CONCLUDEDA LONG TRACK EF-0 TORNADO OCCURRED IN MONTGOMERY COUNTY MARYLANDON THE AFTERNOON OF JUNE 13TH 2013. PEAK WINDS WERE ESTIMATED AT75 MPH. DAMAGE WAS ALMOST ENTIRELY FROM DOWNED TREES. IN THATREGARD NUMEROUS HOMES AND A FEW PARKED VEHICLES WERE DAMAGED BYTREES FALLING ONTO THEM. NO INJURIES HAVE BEEN REPORTED.FIRST CONSISTENT DAMAGE WAS NOTED NEAR THE INTERSECTION OF TURKEY FOOT ROADAND JONES LANE IN SOUTHWEST MONTGOMERY COUNTY NEAR NORTH POTOMACMARYLAND WHERE A FEW LARGE TREES WERE OVER THE ROAD. THE TORNADORACED EAST NEARLY 60 MPH TO THE NORTHERN SECTION OF ROCKVILLEMARYLAND. AT LEAST 14 HOMES WERE SIGNIFICANTLY DAMAGED BY UPROOTEDTREES. AS IT CONTINUED EAST TO THE NORBECK AND ASPEN HILLAREA 30 TREES WERE UPROOTED IN THE MANOR COUNTRY CLUB GOLF COURSEAS WELL AS NUMEROUS HOMES DAMAGED IN THE SURROUNDING COMMUNITIESFROM TREE DAMAGE. TREE DAMAGE WAS NOTED ALONG THE INTERCOUNTYCONNECTOR ROUTE 200 AT THE LAYHILL ROAD EXIT. FINALLY A FEW TREESWERE DOWNED IN SPENCERVILLE AND BURTONSVILLE.BASED ON THE DAMAGE, THIS TORNADO IS RATED EF-0, WITH ESTIMATEDWIND SPEEDS OF 75 MPH. THE 17.3 MILE DAMAGE PATH LENGTH WAS COVEREDIN 18 MINUTES AND HAD CONSISTENT SMALL BRANCH DAMAGE WITHOCCASSIONAL AREAS WITH SIGNIFICANT TREE DAMAGE.ADDITIONALLY THERE WAS A PARALLEL 7 MILES PATH OF DAMAGE THROUGH SOUTHROCKVILLE AND GLENMONT MARYLAND WITH SIMILAR TREE DAMAGE. THISAREA WAS FOUND TO BE STRAIGHT LINE WINDS FROM THE OUTFLOW JUSTSOUTH OF THE TORNADO FROM THE PARENT SUPERCELL STORM.THE NATIONAL WEATHER SERVICE WOULD LIKE TO EXTEND ITS THANKS TO MONTGOMERYCOUNTY FIRE WHO CONFIRMED THE TORNADO ON THE GROUND DURING THE STORMAND MONTGOMERY COUNTY EMERGENCY MANAGEMENT WHO PROVIDED INVALUABLEASSISTANCE DURING THE GROUND SURVEY.&&$CAS/KCS/HAS Link to comment Share on other sites More sharing options...
gymengineer Posted June 15, 2013 Share Posted June 15, 2013 That's one of the longer tornado paths in the close-in DC suburbs. Link to comment Share on other sites More sharing options...
gymengineer Posted June 15, 2013 Share Posted June 15, 2013 Question for DC proper folks: how often are multiple mature trees uprooted in the downtown (e.g. Dupont) area? Once a year? Twice a year? Link to comment Share on other sites More sharing options...
Ian Posted June 15, 2013 Share Posted June 15, 2013 That's one of the longer tornado paths in the close-in DC suburbs.Gotta wonder if its really a continuous path. Link to comment Share on other sites More sharing options...
Ian Posted June 15, 2013 Share Posted June 15, 2013 Question for DC proper folks: how often are multiple mature trees uprooted in the downtown (e.g. Dupont) area? Once a year? Twice a year?Probably about 1-2 on avg. last yr it seemed like 5 tho I can't remember now. Link to comment Share on other sites More sharing options...
gymengineer Posted June 15, 2013 Share Posted June 15, 2013 Gotta wonder if its really a continuous path.Doesn't seem likely... I agree. But LWX has also been pretty good with ID'ing like a half mile path followed by another half mile path 20 miles later, so I would guess it was small gaps along a skipping path. Link to comment Share on other sites More sharing options...
Kmlwx Posted June 15, 2013 Share Posted June 15, 2013 Gotta wonder if its really a continuous path. To fill the gaps a little with personal accounts - My mom works at an elementary school in the part of the path between the ending lat/lon and the Layhill Road/ICC exit and there was sig damage in that neighborhood. So at least at that point it was still on the ground. Link to comment Share on other sites More sharing options...
Coach McGuirk Posted June 15, 2013 Share Posted June 15, 2013 An EF-0 with 75 MPH winds is not much worse than the wide spread straight line wind damage. Link to comment Share on other sites More sharing options...
RandyHolt Posted June 15, 2013 Share Posted June 15, 2013 We got an EF-0. Why downplay it. It was a long track tornado in populated areas and it was a significant weather event. It is what most here seem to covet. Action. I read the much greater risk was supposed to be well south of here. Fox5 is reporting a 17.3 mile path for the MoCo storm. Sure it skipped or may not have even lasted a mile in total but in the end there is a general path of destruction. The ground was saturated but there were also plenty of trees topped. My lawn furniture had never traveled farther. Fox5 said it started in southern Darnestown hoped 270 rode the ICC through South Olney and lifted in Burtonsville. I would like to see it on a map. Link to comment Share on other sites More sharing options...
Hoosier Posted June 15, 2013 Share Posted June 15, 2013 EF0 with that long of a path isn't something that has been documented very often, and it's particularly surprising since that area isn't the middle of nowhere with few targets to hit. Using Severeplot, I only found a little over 120 F/EF0s with a path length of at least 17 miles since 1950 (out of like 56,000 tornadoes). Link to comment Share on other sites More sharing options...
Master of Disaster Posted June 15, 2013 Share Posted June 15, 2013 EF0 with that long of a path isn't something that has been documented very often, and it's particularly surprising since that area isn't the middle of nowhere with few targets to hit. Using Severeplot, I only found a little over 120 F/EF0s with a path length of at least 17 miles since 1950 (out of like 56,000 tornadoes). Interesting fact, thanks for posting that. One of the pics we took from the EOC wall of the traffic cameras on 355. Not sure if this is the tornado but it does match the location and time. Link to comment Share on other sites More sharing options...
wxmeddler Posted June 15, 2013 Author Share Posted June 15, 2013 I am I the only one seeing a skinny stovepipe back there? Link to comment Share on other sites More sharing options...
Kmlwx Posted June 15, 2013 Share Posted June 15, 2013 I am I the only one seeing a skinny stovepipe back there? My eyes must be getting bad - whrere? Link to comment Share on other sites More sharing options...
The Dude Posted June 15, 2013 Share Posted June 15, 2013 My eyes must be getting bad - whrere? I don't see one either. Unless he's talking about the dark object coming out of the tree line just to the right of the road, but I believe that is the Washingtonian Tower. Link to comment Share on other sites More sharing options...
wxmeddler Posted June 15, 2013 Author Share Posted June 15, 2013 I don't see one either. Unless he's talking about the dark object coming out of the tree line just to the right of the road, but I believe that is the Washingtonian Tower. Right near the center of the screen, it's less obvious now that I see it on a computer. It looked more convincing on my cell phone. Oh well. Link to comment Share on other sites More sharing options...
jnis Posted June 15, 2013 Share Posted June 15, 2013 I'm looking at it on my cell phone and I see what you mean. You can sort of see a faint stove pipe. Link to comment Share on other sites More sharing options...
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