NinjaWarrior2 Posted May 6, 2015 Share Posted May 6, 2015 Having my own personal downpour, bullseye shot. Much needed rain even if it's like a tenth an inch. Link to comment Share on other sites More sharing options...
WinterWxLuvr Posted May 6, 2015 Share Posted May 6, 2015 Ha, rain just to my south, north, and east, while not a drop at my house. It's definitely summer. The rain at my house this afternoon must have been epic. I see signs of runoff that I haven't seen since I've lived here. Link to comment Share on other sites More sharing options...
dailylurker Posted May 6, 2015 Share Posted May 6, 2015 Having my own personal downpour, bullseye shot. Much needed rain even if it's like a tenth an inch.I lucked out here as well. Nice storm popped up right over PG county, then came right over my house. It died off just to my east. Heaviest rain I've seen since last summer. Decent amount of lightning too. Link to comment Share on other sites More sharing options...
wxdude64 Posted May 6, 2015 Author Share Posted May 6, 2015 Mid 50's and cloudy with no breeze. No rain here (for once), kayaked the river for second time this year yesterday after work. Then Hawks hung on for a 1-0 win to now lead Minn 3-0 in their series! Link to comment Share on other sites More sharing options...
PrinceFrederickWx Posted May 6, 2015 Share Posted May 6, 2015 0.39" combined from the two storms last night. Not bad- glad to see we're still getting rain into May. (It did not rain May last year here lol) Link to comment Share on other sites More sharing options...
EastCoast NPZ Posted May 6, 2015 Share Posted May 6, 2015 The rain at my house this afternoon must have been epic. I see signs of runoff that I haven't seen since I've lived here. hard to tell sometimes when you're being sarcastic, or serious. Link to comment Share on other sites More sharing options...
wxdude64 Posted May 6, 2015 Author Share Posted May 6, 2015 Take me with you. Haha! Well, flying out of Dulles, so I'll be going up 81/66 and right by you or close enough...... Link to comment Share on other sites More sharing options...
snowfan Posted May 6, 2015 Share Posted May 6, 2015 Not bad for a 'Mostly Cloudy' day. Link to comment Share on other sites More sharing options...
high risk Posted May 6, 2015 Share Posted May 6, 2015 Both the NAM (parent and nest) and the HRRR have a pretty strong convective signal today on the west side of DC. It's possible that areas on the northeast side of town including Baltimore get shut out - the fact that the wind at BWI has recently turned to northeast supports this idea. Link to comment Share on other sites More sharing options...
WinterWxLuvr Posted May 6, 2015 Share Posted May 6, 2015 hard to tell sometimes when you're being sarcastic, or serious. Serious. It must have been something else. Radar at the time was impressive right over my house. Link to comment Share on other sites More sharing options...
yoda Posted May 6, 2015 Share Posted May 6, 2015 Both the NAM (parent and nest) and the HRRR have a pretty strong convective signal today on the west side of DC. It's possible that areas on the northeast side of town including Baltimore get shut out - the fact that the wind at BWI has recently turned to northeast supports this idea. I would be a bit more enthused for storms if the shear wasn't so weak LWX basically calling for not much in their updated AFD: 12Z IAD SNDG SHOWS ANOTHER DAY W/ A LGT UPR LVL WIND FIELD. THISWL INHIBIT TSTM DVLPMNT. HRRR SHOWS A WEAK LN OF RW/TRW FORMING ALONG THE BLU RDG ARND 20Z...THEN SLOWLY TRACKING SE. Link to comment Share on other sites More sharing options...
yoda Posted May 6, 2015 Share Posted May 6, 2015 SPC adds marginal SVR risk for our area in the 1630 OTLK... ..MID ATLANTIC WIDELY SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON IN A RATHER SMALL AREA OF SOUTHERN PA INTO NORTHERN VA. THIS REGION IS ON THE SOUTHERN FRINGE OF STRONGER WESTERLIES...WITH AFTERNOON MLCAPE VALUES AROUND 1000-1500 J/KG. A FEW OF THE STRONGER CELLS COULD PRODUCE GUSTY WINDS AND HAIL. Link to comment Share on other sites More sharing options...
Eskimo Joe Posted May 6, 2015 Share Posted May 6, 2015 77/62 in Gaithersburg...feels like June! Link to comment Share on other sites More sharing options...
high risk Posted May 6, 2015 Share Posted May 6, 2015 not saying there will be severe (despite the SPC 5%), but I think there will be a number of heavy storms on the west side of DC. I don't really understand the LWX discussion. They call the HRRR simulated storms "weak", but the forecasted reflectivities are reasonably healthy, and run after run has a nice QPF max. The NAM, NAM nest, and ARW hi-res window all have the same thing. I would be a bit more enthused for storms if the shear wasn't so weak LWX basically calling for not much in their updated AFD: Link to comment Share on other sites More sharing options...
yoda Posted May 6, 2015 Share Posted May 6, 2015 not saying there will be severe (despite the SPC 5%), but I think there will be a number of heavy storms on the west side of DC. I don't really understand the LWX discussion. They call the HRRR simulated storms "weak", but the forecasted reflectivities are reasonably healthy, and run after run has a nice QPF max. The NAM, NAM nest, and ARW hi-res window all have the same thing. Radar looks nice west of I-95 Link to comment Share on other sites More sharing options...
high risk Posted May 6, 2015 Share Posted May 6, 2015 thunder here in southern Howard County from the cell just to my north Link to comment Share on other sites More sharing options...
TSG Posted May 6, 2015 Share Posted May 6, 2015 2 severe thunderstorm warnings just raised. One West of Martinsburg, WV and another South of Altoona, PA. Something else just popped up over Dulles/Reston in the last 20 mins. Link to comment Share on other sites More sharing options...
yoda Posted May 6, 2015 Share Posted May 6, 2015 Hail cores on some of the cells Link to comment Share on other sites More sharing options...
TSG Posted May 6, 2015 Share Posted May 6, 2015 Hail cores on some of the cells Been a lurker for a while on here but still have a lot to learn. What are the methods for detecting hail outside of ground observation? Is there a certain radar signature? Link to comment Share on other sites More sharing options...
yoda Posted May 6, 2015 Share Posted May 6, 2015 Pea sized hail in Herndon... small hail core showing up in W FFX Link to comment Share on other sites More sharing options...
yoda Posted May 6, 2015 Share Posted May 6, 2015 BULLETIN - IMMEDIATE BROADCAST REQUESTEDSEVERE THUNDERSTORM WARNINGNATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC319 PM EDT WED MAY 6 2015THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A* SEVERE THUNDERSTORM WARNING FOR... CENTRAL FAIRFAX COUNTY IN NORTHERN VIRGINIA... THE CITY OF FAIRFAX IN NORTHERN VIRGINIA...* UNTIL 400 PM EDT* AT 318 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING HALF DOLLAR SIZE HAIL. THIS STORM WAS LOCATED OVER CHANTILLY. THIS STORM WAS NEARLY STATIONARY.* LOCATIONS IMPACTED INCLUDE... FAIRFAX...VIENNA...RESTON...CENTREVILLE...MANTUA...I66 AND I495 INTERCHANGE...ANNANDALE...OAKTON...MERRIFIELD...CHANTILLY...WOLF TRAP...BURKE...TYSONS CORNER...RAVENSWORTH...DUNN LORING...FAIRFAX STATION...CLIFTON...NORTH SPRINGFIELD AND WEST SPRINGFIELD. Link to comment Share on other sites More sharing options...
snowfan Posted May 6, 2015 Share Posted May 6, 2015 That herndon cell is dropping some rain with it barely moving. Link to comment Share on other sites More sharing options...
Bob Chill Posted May 6, 2015 Share Posted May 6, 2015 Been a lurker for a while on here but still have a lot to learn. What are the methods for detecting hail outside of ground observation? Is there a certain radar signature?It's pretty easy. Look for 60+ dbz returns and there's usually (but not always) a good tower above it. I use COD's site quite a bit. On the left side you can pull different products. Echo tops is near the bottom. The one out in WVA has pushed 46k'. http://weather.cod.edu/satrad/nexrad/index.php?type=LWX-N0Q-0-6 Link to comment Share on other sites More sharing options...
needbiggerboat Posted May 6, 2015 Share Posted May 6, 2015 Dime size hail here Link to comment Share on other sites More sharing options...
TSG Posted May 6, 2015 Share Posted May 6, 2015 It's pretty easy. Look for 60+ dbz returns and there's usually (but not always) a good tower above it. I use COD's site quite a bit. On the left side you can pull different products. Echo tops is near the bottom. The one out in WVA has pushed 46k'. http://weather.cod.edu/satrad/nexrad/index.php?type=LWX-N0Q-0-6 Thanks Bob! I see white (62-66k ft) where that cell is in western Fairfax. Are the readings inaccurate being so close to the radar in Sterling there? Link to comment Share on other sites More sharing options...
MN Transplant Posted May 6, 2015 Share Posted May 6, 2015 It's pretty easy. Look for 60+ dbz returns and there's usually (but not always) a good tower above it. I use COD's site quite a bit. On the left side you can pull different products. Echo tops is near the bottom. The one out in WVA has pushed 46k'. http://weather.cod.edu/satrad/nexrad/index.php?type=LWX-N0Q-0-6 VILs are also a good tell. Especially closer to 70. Link to comment Share on other sites More sharing options...
Bob Chill Posted May 6, 2015 Share Posted May 6, 2015 Thanks Bob! I see white (62-66k ft) where that cell is in western Fairfax. Are the readings inaccurate being so close to the radar in Sterling there? That's some sort of clutter or something. Cloud tops that high in storms (especially around here) are very very rare. I'm not sure I've seen them. Ellinwood or Ian would know more. MN, good point about VILs! I forgot COD had those plots. Link to comment Share on other sites More sharing options...
TSG Posted May 6, 2015 Share Posted May 6, 2015 New severe warning in Fairfax. That cell morphed/slid north. On top of Great Falls now. Link to comment Share on other sites More sharing options...
mattie g Posted May 6, 2015 Share Posted May 6, 2015 Interesting "movement" on those cells in Fairfax County. They're kind of sitting there, kind of moving NNE, kind of morphing and pulsing. Got a nice dousing yesterday, but wouldn't mind another today. Link to comment Share on other sites More sharing options...
MN Transplant Posted May 6, 2015 Share Posted May 6, 2015 Interesting "movement" on those cells in Fairfax County. They're kind of sitting there, kind of moving NNE, kind of morphing and pulsing. Got a nice dousing yesterday, but wouldn't mind another today. Yeah, you can't look at radar and be certain that you are going to get hit in 15 minutes. You really want to be under it as it pops up. Link to comment Share on other sites More sharing options...
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