yoda
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Posts posted by yoda
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14 minutes ago, midatlanticweather said:
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3 hours ago, nj2va said:
Huge win by the Caps. Win tomorrow and we’re in the playoffs.
Big Flyers fan unfortunately tomorrow
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34 minutes ago, WxUSAF said:
You were closer than I was. Nothing even close.
The Germantown storms were too far SW?
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Welp, looks like I got a rock today
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I think we easily verified the watch box today
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9 minutes ago, MN Transplant said:
Hydrometeor classification on that one is "giant hail"
Rotation also on that storm
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Preliminary Local Storm Report National Weather Service Baltimore MD/Washington DC 322 PM EDT Mon Apr 15 2024 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0315 PM Hail 1 E Falls Church 38.89N 77.16W 04/15/2024 M1.25 inch Arlington VA NWS Employee NWS Employee reported half dollar sized hail. && Event Number LWX2403045 -
Preliminary Local Storm Report National Weather Service Baltimore MD/Washington DC 326 PM EDT Mon Apr 15 2024 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0321 PM Hail Falls Church 38.89N 77.18W 04/15/2024 M1.00 inch City of Falls Chur VA Trained Spotter A trained spotter reported 1 inch hail near the 400 block of W Broad St in Falls Church. && Event Number LWX2403047Preliminary Local Storm Report National Weather Service Baltimore MD/Washington DC 325 PM EDT Mon Apr 15 2024 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0318 PM Hail Vienna 38.90N 77.25W 04/15/2024 M1.00 inch Fairfax VA Amateur Radio && Event Number LWX2403046-
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@MN Transplant guess this was just north of you?
Emergency management and NWS employees report half dollar size hail in Falls Church per LSR
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Don't see this either everyday in our region - 3pm mid-level lapse rates
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Warrenton cell just went severe
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Looks like the Fairfax cell is dragging an outflow boundary behind it/to its west on Radarscope?
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Area Forecast Discussion National Weather Service Baltimore MD/Washington DC 229 PM EDT Mon Apr 15 2024 .SYNOPSIS... A cold front will drop southward through the area tonight, before returning northward as a warm front on Wednesday. A strong cold front will move through this weekend, with high pressure building in early next week. && .NEAR TERM /THROUGH TONIGHT/... Severe Thunderstorrm Watch #109 is valid until 10 PM since it covers most of VA to the NC border, although storms are likely to exit our forecast around 7 PM. Very steep mid-level lapse rates of around 8C/km due to 500 mb temps of around -20C were observed on earlier upper air data and more recent MetOp-C NUCAPS data. This will contribute to a very favorable environment for large hail perhaps approaching significant hail up to 2 inches in diameter. Storms will be fast movers moving around 35 knots and given large dewpoint depressions and strond mid-level flow may be also capable of producing strong to damaging winds. Storms should exit our CWA by 8 PM, likely a little sooner than that. Rapidly clearing skies are expected later this evening behind exiting cold front. High pressure builds over the area overnight into Tue morning with quiet conditions overnight through Tue morning.
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Coming for @MN Transplant
BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Baltimore MD/Washington DC 259 PM EDT Mon Apr 15 2024 The National Weather Service in Sterling Virginia has issued a * Severe Thunderstorm Warning for... The southwestern District of Columbia... Arlington County in northern Virginia... The City of Falls Church in northern Virginia... Northeastern Fairfax County in northern Virginia... The City of Alexandria in northern Virginia... * Until 345 PM EDT. * At 258 PM EDT, a severe thunderstorm was located over Reston, moving east at 30 mph. HAZARD...Quarter size hail. SOURCE...Trained weather spotters. IMPACT...Some hail damage to agriculture is expected. * Locations impacted include... Arlington, Alexandria, Reston, Annandale, Vienna, Falls Church, Pimmit Hills, Reagan National Airport, Mclean, Rosslyn, Crystal City, Howard University, Oakton, Lincolnia, Tysons Corner, Wolf Trap, Merrifield, Lake Barcroft, American University, and I66 and I495 Interchange. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building.
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Severe Weather Statement National Weather Service Baltimore MD/Washington DC 242 PM EDT Mon Apr 15 2024 VAC059-107-151900- /O.CON.KLWX.SV.W.0015.000000T0000Z-240415T1900Z/ Loudoun VA-Fairfax VA- 242 PM EDT Mon Apr 15 2024 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM EDT FOR SOUTHEASTERN LOUDOUN AND NORTHWESTERN FAIRFAX COUNTIES... At 242 PM EDT, a severe thunderstorm was located over Brambleton, moving east at 35 mph. HAZARD...Golf ball size hail reprted by a trained spotter in Hanson Park. SOURCE...Trained weather spotters. IMPACT...Hail is large enough to dent and damage vehicles. Some damage to roofs, siding, and windows is possible. Locations impacted include... Reston, Herndon, Fairfax, Broadlands, Brambleton, Dulles International Airport, Ashburn, Oakton, Sterling, Wolf Trap, Great Falls, and Arcola. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3898 7726 3886 7731 3887 7733 3897 7758 3902 7756 TIME...MOT...LOC 1842Z 287DEG 29KT 3897 7750 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH -
Trained spotters reported goofball size hail in Hanson Park - that's the Fairfax/Loudoun warned cell
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Severe Weather Statement National Weather Service Baltimore MD/Washington DC 224 PM EDT Mon Apr 15 2024 MDC031-151845- /O.CON.KLWX.SV.W.0014.000000T0000Z-240415T1845Z/ Montgomery MD- 224 PM EDT Mon Apr 15 2024 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT FOR CENTRAL MONTGOMERY COUNTY... At 224 PM EDT, a severe thunderstorm was located over Gaithersburg, moving east at 35 mph. HAZARD...Ping pong ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Damaging winds will cause some trees and large branches to fall. This could injure those outdoors, as well as damage homes and vehicles. Roadways may become blocked by downed trees. Localized power outages are possible. Unsecured light objects may become projectiles. Locations impacted include... Germantown, Rockville, Bethesda, Gaithersburg, Olney, Aspen Hill, Potomac, North Bethesda, Montgomery Village, North Potomac, Redland, Chevy Chase, North Kensington, South Kensington, Rossmoor, Wheaton-Glenmont, Wheaton, Cloverly, Glenmont, and Darnestown. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3915 7702 3900 7708 3912 7735 3917 7732 TIME...MOT...LOC 1824Z 289DEG 30KT 3913 7726 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.50 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH -
Preliminary Local Storm Report National Weather Service Baltimore MD/Washington DC 210 PM EDT Mon Apr 15 2024 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0159 PM Hail 3 S Lucketts 39.18N 77.54W 04/15/2024 M1.00 inch Loudoun VA Trained Spotter && Event Number LWX2403036 -
Poolesville cell looks nasty... see 70+ dbz on Radarscope
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3 minutes ago, Eskimo Joe said:
Watch coming coming out. Looks like from I-70 south?
Looks like they added Baltimore metro
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4 minutes ago, NorthArlington101 said:
Severe Thunderstorm Watch just issued as well.URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 109 NWS Storm Prediction Center Norman OK 150 PM EDT Mon Apr 15 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of District Of Columbia Southern Delaware Central and Eastern Maryland Virginia Central and Eastern West Virginia Coastal Waters * Effective this Monday afternoon and evening from 150 PM until 1000 PM EDT. * Primary threats include... Scattered damaging wind gusts to 70 mph likely Scattered large hail and isolated very large hail events to 2 inches in diameter possible SUMMARY...Broken bands of strong to severe thunderstorms are forecast to develop this afternoon and move east-southeast through the mid evening. Scattered severe gusts capable of wind damage will be possible with the stronger cores and outflow winds. Large hail may accompany the early cellular storm activity. The severe thunderstorm watch area is approximately along and 90 statute miles north and south of a line from 20 miles west northwest of Beckley WV to 30 miles east southeast of Wallops VA. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU9). -
Severe warned storm by Berryville should be near DC metro by 3
Is that a hook up by Waterford?
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7 minutes ago, yoda said:
Storms entering NW VA increasing in intensity and some hail cores slowly starting to appear
Warnings issued for both cells
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Mesoscale Discussion 0439 NWS Storm Prediction Center Norman OK 1203 PM CDT Mon Apr 15 2024 Areas affected...portions of West Virginia...Virginia...Maryland...and Delaware Concerning...Severe potential...Severe Thunderstorm Watch likely Valid 151703Z - 151900Z Probability of Watch Issuance...95 percent SUMMARY...Thunderstorm activity is expected to increase by 3-4pm EDT. Damaging gusts to 60-70 mph and large hail to 1.5 inches in diameter will be possible through early evening. DISCUSSION...Gradual destabilization is occurring from west to east early this afternoon across the MCD region. Increasing cumulus development is noted over the past hour across the higher terrain of West Virginia into northern Virginia as temperatures have warmed into the 70s to low 80s. The 12z MPAS-HT high-res guidance appears to have the best handle on morning convection across the region, and in the expected convective evolution through early evening. Based on this guidance, and current observed trends, thunderstorm activity is expected to increase by 19-20z/3-4pm EDT near/south of a residual frontal boundary draped west to east across the region. This development will be aided by continued heating/destabilization, increasing midlevel moisture and a very steep low and midlevel lapse rate environment (midlevel lapse rates around 8 C/km with southward extent across VA). While low-level winds will remain light, a belt of 30-40 kt midlevel flow will foster effective shear magnitudes suitable for organized convection. Initial cellular activity will pose a risk for large hail and strong gusts. Meanwhile, a deeply mixed boundary-layer with inverted-v sub-cloud thermodynamic profiles suggest strong outflow winds will occur with this activity and clustering is likely to occur via outflow interactions. A damaging wind threat will increase with southeastward extent across Virginia toward the Chesapeake Bay vicinity where steep low-level lapse rates and DCAPE over 1000 J/kg will be focused. A severe thunderstorm watch will likely be needed for portions of the MCD vicinity by 18-19z. ..Leitman/Smith.. 04/15/2024 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...PHI...AKQ...LWX...RNK...PBZ...RLX...
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April Discobs 2024
in Mid Atlantic
Posted
SPC 1300z OTLK is MRGL for most of LWX CWA for 5% wind