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Everything posted by yoda
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Radarscope had rotation in the Garrett County cell which just got svr warned
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Area Forecast Discussion National Weather Service Baltimore MD/Washington DC 1052 AM EDT Fri Sep 4 2026 .WHAT HAS CHANGED... No wholesale changes to the forecast this morning. Monitoring convection upstream over Ohio (again) as that is on pace to affect the region with a damaging/severe wind threat later this afternoon into this evening.
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Though morning AFD from LWX suggests otherwise DISCUSSION... KEY MESSAGE 1...Hot temperatures, high humidity, and severe thunderstorm chances again today into Saturday. Additional showers and thunderstorms, possibly severe, are anticipated again this afternoon/evening. Timing is a bit uncertain given the subtle waves aloft, but increasing low-level convergence paired with another upper impulse may very well result in another round or two of storms with a damaging wind risk. The latest guidance has nudged the threat a bit further north due to slower progression of the cold front, encompassing areas as far north as I- 70 or the Mason-Dixon line . While storms can develop over the region and congeal before moving southeast, areas in Ohio, Pennsylvania, and West Virginia will need to be monitored to see if anything grows upscale in those areas in linear segments and dives southeast. Highs today will range from the upper 80s to lower 90s with dew points in the lower to middle 70s resulting in heat indices in the upper 90s to lower 100s. This will be just shy of heat headline criteria (except in Charlottesville and surrounding Albemarle/Nelson Counties). The potential for early day clouds to offset heating precludes enough confidence to issue any further heat headlines at this time, though it will be unusually hot and humid for early September regardless.
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So today's final severe weather threat should be more SW of DC metro?
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And now the usual "vehicles stalled/stuck in high water" reports
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Now seeing an LSR of a tree into a house in the 3000 block
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Mesoscale Discussion 2227 NWS Storm Prediction Center Norman OK 1056 PM CDT Thu Sep 03 2026 Areas affected...northern Virginia and central Maryland Concerning...Severe Thunderstorm Watch 652... Valid 040356Z - 040500Z The severe weather threat for Severe Thunderstorm Watch 652 continues. SUMMARY...Damaging wind threat is increasing for the greater Washington D.C. area. DISCUSSION...Rapid thunderstorm development occurred late this evening in the vicinity of Washington D.C. Here, warm-air advection thunderstorms combined with increasing convergence from an outflow boundary from an earlier storm. The result has been a rapid increase in hydrometeors aloft, which will support heavy water loaded downdrafts/downbursts capable of wind damage across the greater Washington D.C. area. At 0348Z Washington National airport measured a 64 mph wind gust. This threat will continue to move east over the next hour. ..Marsh.. 09/04/2026 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...PHI...LWX... LAT...LON 39067724 39157691 39117648 38947629 38777634 38617657 38647704 38767728 39067724 MOST PROBABLE PEAK WIND GUST...55-70 MPH
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DC metro got its own personal MCD lol
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LSR says fire department reported trees down on Woodlawn Ave in Falls Church
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62mph gust in Arcola per mesonet
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BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Baltimore MD/Washington DC 1137 PM EDT Thu Sep 3 2026 The National Weather Service in Sterling Virginia has issued a * Severe Thunderstorm Warning for... The District of Columbia... Southeastern Montgomery County in central Maryland... Prince Georges County in central Maryland... Arlington County in northern Virginia... The City of Falls Church in northern Virginia... East central Fairfax County in northern Virginia... The City of Alexandria in northern Virginia... * Until 1215 AM EDT. * At 1137 PM EDT, severe thunderstorms were located along a line extending from near North Potomac to near Mclean to near Newington, moving east at 45 mph. HAZARD...70 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... Arlington, Alexandria, Rockville, Bethesda, Bowie, Annandale, Clinton, Olney, Springfield, College Park, Fort Washington, Greenbelt, Langley Park, Beltsville, Fort Hunt, Vienna, Groveton, Forestville, Falls Church, and Huntington. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3909 7683 3907 7684 3904 7675 3902 7675 3898 7670 3887 7668 3881 7671 3879 7670 3878 7672 3877 7670 3873 7670 3872 7727 3892 7725 3892 7716 3911 7711 3913 7692 3912 7691 3913 7689 TIME...MOT...LOC 0337Z 260DEG 37KT 3908 7720 3894 7713 3876 7722 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...70 MPH
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Lol raining. Figures
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Granted this was over an hour ago... but this isnt too bad looking
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URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 652 NWS Storm Prediction Center Norman OK 840 PM EDT Thu Sep 3 2026 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of District Of Columbia Delaware Maryland Southern New Jersey Far Southeast Pennsylvania Northern Virginia Far Eastern West Virginia Coastal Waters * Effective this Thursday night and Friday morning from 840 PM until 200 AM EDT. * Primary threats include... Scattered damaging wind gusts to 70 mph possible SUMMARY...Several clusters of strong to severe thunderstorms capable of scattered damaging wind gusts will be possible this evening and overnight.
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Actually for i95 corridor and Delmarva
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Severe Thunderstorm Watch up until 2am
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Or..... could just wait a few more minutes lol
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Understood, and I hate to criticize SPC... but they went watch likely and 80% chance for basically all of us into Delmarva.... to nothing
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I guess we arent getting a watch then?
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TWs starting to fly from PBZ
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Mesoscale Discussion 2221 NWS Storm Prediction Center Norman OK 0519 PM CDT Thu Sep 03 2026 Areas affected...Portions of the Mid-Atlantic Concerning...Severe potential...Watch likely Valid 032219Z - 040015Z Probability of Watch Issuance...80 percent SUMMARY...Ongoing Mesoscale Convective Systems will continue to move southeast this evening. The airmass ahead of these storms remains very hot and unstable. A wind damage threat is expected to persist into the greater Washington D.C. area later this evening. As such, a new watch will likely be needed. DISCUSSION...Multiple southeast moving mesoscale convective systems (MCS) are ongoing across portions of northern/eastern Ohio and western Pennsylvania. The leading MCS is currently located across the greater Pittsburgh area, with the trailing MCS across moving across northern Ohio and southern Lake Erie. Effective layer shear across these linear MCSs is characterized by 30-40 knots, which is more than sufficient to support ongoing organization as the clusters move southeast. Additionally, the airmass ahead of these storms remains very hot and humid, with surface temperatures in the 90Fs and dewpoints in the low-to-mid 70Fs. The result is steep low-level lapse rates and MUCAPE in excess of 3000 J/kg ahead of these storms, all the way into the greater Washington D.C. area. As evening progresses and the boundary layer cools, low-level lapse rates will weaken. However, the degree of thunderstorm organization and the very unstable environment ahead of the MCSs will maintain a threat for damaging wind well into the evening hours. A new watch will likely be needed to the southeast of ongoing watches across Pennsylvania, Ohio, and West Virginia. ..Marsh/Smith.. 09/03/2026 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...PHI...AKQ...CTP...LWX...PBZ...RLX... LAT...LON 40907856 40647769 39867645 39817644 39007592 38017562 37607609 37527666 37797754 38477871 38967941 39727985 40487948 40907856 MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 90 MPH MOST PROBABLE PEAK WIND GUST...65-80 MPH MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN
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@Eskimo Joe @high risk @Kmlwx Severe Thunderstorm Watch coming soon for the region
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Doubt they will be as strong if they reach here... but... this is headed into Pittsburgh metro shortly Severe Weather Statement National Weather Service Pittsburgh PA 531 PM EDT Thu Sep 3 2026 OHC029-PAC003-007-019-125-WVC029-032200- /O.CON.KPBZ.SV.W.0335.000000T0000Z-260903T2200Z/ Columbiana OH-Allegheny PA-Beaver PA-Butler PA-Washington PA- Hancock WV- 531 PM EDT Thu Sep 3 2026 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 6 PM EDT FOR SOUTHEASTERN COLUMBIANA, NORTHWESTERN ALLEGHENY, NORTHWESTERN WASHINGTON, SOUTHERN BUTLER, BEAVER AND HANCOCK COUNTIES... At 531 PM EDT, severe thunderstorms were located along a line from 6 miles northeast of Zelienople to near Midland, or along a line from 10 miles west of Butler to 7 miles southeast of East Liverpool, moving southeast at 20 mph. THESE ARE DESTRUCTIVE STORMS FOR BEAVER, MONACA, CONWAY, ALIQUIPPA. HAZARD...80 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be heavily damaged. Expect considerable damage to roofs, windows, and vehicles. Extensive tree damage and power outages are likely. Locations impacted include... Ross Township, McCandless Township, Cranberry, Moon Township, Butler, Franklin Park, East Liverpool, Aliquippa, Beaver Falls, Monaca, Hampton Township, Robinson Township, Economy, Bellevue, Kennedy Township, Ambridge, Wexford, Homeacre-Lyndora, West View and Stowe Township. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter now inside an interior room on the lowest floor of a well-built structure. These storms are capable of producing widespread destructive winds and large hail. && LAT...LON 4062 8062 4079 8053 4085 8025 4085 8016 4087 8016 4088 8013 4094 8007 4082 7971 4056 7999 4031 8028 4053 8062 4056 8065 TIME...MOT...LOC 2107Z 294DEG 18KT 4091 8023 4077 8041 4063 8061 THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...80 MPH
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LWX AFD did mention a boundary in the area
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