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Everything posted by yoda
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Looks like it's trying again near Mount Airy
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BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Baltimore MD/Washington DC 538 PM EDT Mon May 27 2024 The National Weather Service in Sterling Virginia has issued a * Severe Thunderstorm Warning for... South central Carroll County in north central Maryland... Northwestern Howard County in central Maryland... Northern Montgomery County in central Maryland... East central Frederick County in north central Maryland... * Until 615 PM EDT. * At 538 PM EDT, a severe thunderstorm was located near New Market, or 9 miles east of Harry Grove Stadium, moving east at 25 mph. HAZARD...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... Eldersburg, Mount Airy, Sykesville, New Market, Libertytown, Monrovia, Winfield, Lisbon, Gaither, Watersville, Poplar Springs, Woodbine, and Unionville. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building. Large hail, damaging wind, and continuous cloud to ground lightning are occurring with this storm. Move indoors immediately. Lightning is one of nature`s leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. A Tornado Watch remains in effect until 1100 PM EDT for central and north central Maryland. && LAT...LON 3937 7728 3949 7726 3949 7694 3930 7701 TIME...MOT...LOC 2138Z 280DEG 21KT 3942 7723 TORNADO...POSSIBLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH
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78/71 at DCA at 4pm... 83/69 at IAD Winds from the south at 10-15 mph
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BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Baltimore MD/Washington DC 416 PM EDT Mon May 27 2024 The National Weather Service in Sterling Virginia has issued a * Severe Thunderstorm Warning for... Southeastern Washington County in north central Maryland... Northwestern Frederick County in north central Maryland... * Until 515 PM EDT. * At 415 PM EDT, a severe thunderstorm was located near Shepherdstown, moving east at 20 mph. HAZARD...60 mph wind gusts and quarter size hail. 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... Frederick, Thurmont, Harry Grove Stadium, Ballenger Creek, Boonsboro, Braddock Heights, Mount Aetna, Mount Lena, San Mar, Clover Hill, Wolfsville, Linganore-Bartonsville, Myersville, Keedysville, Rohrersville, Burkittsville, Gapland, Utica, Bolivar, and Lewistown. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building. Large hail, damaging wind, and continuous cloud to ground lightning are occurring with this storm. Move indoors immediately. Lightning is one of nature`s leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. A Tornado Watch remains in effect until 1100 PM EDT for north central Maryland. && LAT...LON 3939 7769 3958 7770 3964 7739 3937 7736 TIME...MOT...LOC 2015Z 264DEG 18KT 3948 7778 TORNADO...POSSIBLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH
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We'll see... as @CAPE noted, 18z NAM NEST has a severe line moving through at 23z
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Tor possible tag added on the SWS
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It's trying to hook, though that shower just south of it may cause an issue or be ingested
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BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Baltimore MD/Washington DC 349 PM EDT Mon May 27 2024 The National Weather Service in Sterling Virginia has issued a * Severe Thunderstorm Warning for... South central Washington County in north central Maryland... Northeastern Jefferson County in the Panhandle of West Virginia... Northeastern Berkeley County in the Panhandle of West Virginia... * Until 430 PM EDT. * At 348 PM EDT, a severe thunderstorm was located over Martinsburg, moving east at 20 mph. HAZARD...60 mph wind gusts and quarter size hail. 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... Martinsburg, Shepherdstown, Saint James, Berkeley, Keedysville, Sharpsburg, Fairplay, Antietam, Winebrenners Cross, Martinsburg Airport, and Moler Crossroads. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Large hail, damaging wind, and continuous cloud to ground lightning are occurring with this storm. Move indoors immediately. Lightning is one of nature`s leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning.
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Cell near MRB looks a little interesting
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40/20 tor probs is pretty decent
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URGENT - IMMEDIATE BROADCAST REQUESTED Tornado Watch Number 335 NWS Storm Prediction Center Norman OK 340 PM EDT Mon May 27 2024 The NWS Storm Prediction Center has issued a * Tornado Watch for portions of District Of Columbia Central and Eastern Maryland Central and Eastern North Carolina Eastern and Northern Virginia Coastal Waters * Effective this Monday afternoon and evening from 340 PM until 1100 PM EDT. * Primary threats include... A couple tornadoes possible Scattered damaging wind gusts to 70 mph possible Isolated large hail events to 1.5 inches in diameter possible SUMMARY...Severe thunderstorms are expected to develop through the afternoon across the region. Damaging winds are expected to be the most common risk, but some hail is possible, and a moist environment and strong atmospheric winds will also support a tornado risk. The tornado watch area is approximately along and 75 statute miles east and west of a line from 40 miles north northeast of Baltimore MD to Jacksonville NC. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU5). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Tornado Watch means conditions are favorable for tornadoes and severe thunderstorms in and close to the watch area. Persons in these areas should be on the lookout for threatening weather conditions and listen for later statements and possible warnings. && OTHER WATCH INFORMATION...CONTINUE...WW 333...WW 334... AVIATION...Tornadoes and a few severe thunderstorms with hail surface and aloft to 1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 24030. ...Guyer
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Tornado Watch up until 11pm for the region
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Area Forecast Discussion National Weather Service Baltimore MD/Washington DC 310 PM EDT Mon May 27 2024 .SYNOPSIS... A potent cold front will track through the Mid-Atlantic this evening and into the overnight. A secondary cold front moves in by mid-week before high pressure builds in by Friday. && .NEAR TERM /THROUGH TONIGHT/... A potent cold front is set to push through the Mid-Atlantic this evening and into tonight, bringing severe weather to the area. With a warm and humid air mass in place today, moderate instability (SBCAPE 1500-2500 J/kg) is expected with highest values along and east of I-95, especially in northeast Maryland. As of 2PM, a few showers are moving through the forecast area along and east of I-95 with skies beginning to clear along and west of the Blue Ridge. As the rain showers move out of the area and clearing skies move eastward, instability is expected to increase this afternoon and into this evening. Convective initiation is expected in the next hour or so with some storms already beginning to pop up. Once convection initializes, damaging wind gusts continue to be the primary hazard type with strengthening wind fields and destabilization of the atmosphere. Large hail is possible in discrete cells along with an isolated tornado threat with a slight curve in model hodographs. PW values of 1.5-2 inches, with isolated pockets of 2"+ in NE MD, will lead to isolated instances of heavy rainfall. WPC has the northeastern portions of the area in a slight risk for excessive rainfall. Adequate storm motion should limit flooding risk, but any training or back building could lead to an increased hydro threat.
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Severe Thunderstorm Watch issued for NJ/NY/PA until 9pm
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Winds are pretty much still from the south on the 1pm obs across the region 77/69 S12 at DCA is their 1pm observation
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Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1145 AM CDT Mon May 27 2024 Valid 271630Z - 281200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE EASTERN STATES AND PARTS OF TEXAS... ...SUMMARY... Severe thunderstorms are expected today across parts of the lower Great Lakes, Mid-Atlantic, and Southeast States. More isolated severe thunderstorms are possible this afternoon and evening across much of central and east Texas, as well as southwest Oklahoma and the mid/upper Mississippi Valley. ...Eastern States/Southeast... An initial ongoing focus for severe potential is across Georgia near an outflow boundary and in the wake of an MCV across the Carolinas Piedmont as of midday. Regional WSR-88D VWPs are sampling supercell-favorable wind profiles across this region, with additional storm development/intensification as the air mass modifies/destabilizes across Georgia/South Carolina/southeast Alabama. Another favored zone of severe storm development, including supercells, may occur across eastern North Carolina/southeast Virginia this afternoon near, or in the immediate wake of, the MCV, in the presence of a very moist and strongly unstable boundary layer. Farther north, a broad north-south zone of severe thunderstorm potential exists near, or more so in the immediate lee of, the Appalachians. For additional details, see Mesoscale Discussion 1013. Sufficient deep-layer shear and buoyancy will support potential for both supercells and organized multicells in lines or clusters. Damaging winds are expected to be the most common risks, but large hail is also possible, along the potential for a couple of tornadoes regionally.
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1630z OTLK from SPC keeps the 5% tor for the BR and east in the LWX CWA... along with 15 wind and 15 hail
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esoscale Discussion 1013 NWS Storm Prediction Center Norman OK 1053 AM CDT Mon May 27 2024 Areas affected...northern VA into parts of MD...DE... central/western PA...NJ...and NY Concerning...Severe potential...Watch likely Valid 271553Z - 271800Z Probability of Watch Issuance...80 percent SUMMARY...One or more watches will likely be needed in the next 1-2 hours. Damaging gusts, large hail and a couple of tornadoes are possible with bands of thunderstorms through early evening. DISCUSSION...Modest destabilization is occurring from south to north ahead of an eastward-advancing front at midday. Stronger instability will generally remain across the PA/NJ vicinity southward, where dewpoints are in the upper 60s F, and decrease with northward extent into central NY. Nevertheless, favorable vertical shear supporting organized bands of convection is already in place across the region. A mixed mode of supercells and bows is expected as convection increases in coverage after 18z. While deep-layer flow will largely remain unidirectional, some curvature of low-level hodographs and backed low-level winds is evident in a corridor from eastern VA into eastern PA/western NJ. A couple of tornadoes could occur in this area. Otherwise, damaging gusts and hail will be the primary hazard through this afternoon/early evening. One or more watches will likely be needed in the next couple of hours as stronger destabilization occurs and stronger large-scale ascent overspreads the region. ..Leitman/Guyer.. 05/27/2024 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...BTV...OKX...ALY...PHI...BGM...AKQ...BUF...CTP... LWX... https://www.spc.noaa.gov/products/md/md1013.html
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I'm going to guess severe thunderstorm watch up north and tornado watch in the southern part
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2024 Hurricane season forecast contest -- results now posted
yoda replied to Roger Smith's topic in Tropical Headquarters
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1 fatality confirmed in yesterday's severe weather in Nelson County Preliminary Local Storm Report National Weather Service Baltimore MD/Washington DC 1011 AM EDT Mon May 27 2024 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0807 PM Tstm Wnd Dmg 5 E Norwood 37.64N 78.72W 05/26/2024 Nelson VA Law Enforcement *** 1 Fatal *** Nelson County Sheriff confirmed one person died when thunderstorm winds downed a tree limb onto the vehicle they were sheltering in near Wingina && Event Number LWX2403171
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5/15/15 remains on 1300z SPC OTLK
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I see some breaks in the clouds and some sun
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Morning AFD from LWX Area Forecast Discussion National Weather Service Baltimore MD/Washington DC 403 AM EDT Mon May 27 2024 .SYNOPSIS... A warm and humid air mass will persist through today. A cold front will push through the area tonight. A secondary cold front moves in by mid-week before high pressure builds in by Friday. && .NEAR TERM /THROUGH TONIGHT/... Some notable changes were observed in the latest guidance early this morning and it is mainly to delay convective initiation this afternoon and push back the timing of the frontal passage until mid evening. The severe risk also has shifted more east to areas along and east of I-95 and east of Rt 15 in northern MD. Latest CAMs this morning show several broken short line segments including bows developing across the northern neck of VA lifting NE into southern MD. Other short line segments are seeing on the reflectivity products over north central MD into southern PA. The primary threat remains damaging winds due to strengthening wind fields and moderate instability (~1500 J/kg), but a couple of tornadoes and isold large hail are also possible. Severe risk should diminish quickly after 00Z and be over completely by 02Z Tue.
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