wolfie09 Posted July 20, 2021 Share Posted July 20, 2021 That single cell over Ontario has it's sight set on Oswego county, if it makes it this far.. Link to comment Share on other sites More sharing options...
BuffaloWeather Posted July 20, 2021 Author Share Posted July 20, 2021 Pretty solid line. 1 Link to comment Share on other sites More sharing options...
BuffaloWeather Posted July 20, 2021 Author Share Posted July 20, 2021 * At 423 PM EDT, a severe thunderstorm was located near Lockport, moving east at 15 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. Link to comment Share on other sites More sharing options...
lakeeffectkid383 Posted July 20, 2021 Share Posted July 20, 2021 9 minutes ago, BuffaloWeather said: * At 423 PM EDT, a severe thunderstorm was located near Lockport, moving east at 15 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. 1.5 “ hail being reported in Lockport. That’s ping pong ball sized hail, about as big as it gets around here. Waiting to see some pics from there. 1 Link to comment Share on other sites More sharing options...
wolfie09 Posted July 20, 2021 Share Posted July 20, 2021 Link to comment Share on other sites More sharing options...
wolfie09 Posted July 20, 2021 Share Posted July 20, 2021 SUMMARY...An organized cluster of thunderstorms will spread across the St. Lawrence River through much of the Adirondacks vicinity, along with continuing development across and southeast of Lake Ontario by 5-7 PM EDT, accompanied by the risk for potentially damaging wind gusts. DISCUSSION...Moderate southeasterly low-level inflow of moist air characterized by CAPE in excess of 1000 J/kg is maintaining vigorous thunderstorm development along the leading edge of an east-southeastward advancing, convectively driven surface cold pool. This continues to be aided by large-scale forcing for ascent associated with a 30-50 kt westerly mid/upper jet streak, and will overspread the upper St. Lawrence Valley through much of the Adirondacks region by 22-23Z. As the temperature gradient across the gust front increases at least a bit further, potential for damaging wind gusts probably will also continue to increase during the next hour or two. Farther to the southwest, thunderstorms which initiated along the trailing outflow boundary, and preceding lake breezes across the Lake Ontario vicinity, may also begin to consolidate while spreading into the unstable environment to the southeast of the lake. This too may gradually pose increasing risk for damaging wind gusts near/north of the Finger Lakes region through the Mohawk Valley by early evening. Link to comment Share on other sites More sharing options...
TugHillMatt Posted July 20, 2021 Share Posted July 20, 2021 3 minutes ago, lakeeffectkid383 said: 1.5 “ hail being reported in Lockport. That’s ping pong ball sized hail, about as big as it gets around here. Waiting to see some pics from there. Just now, wolfie09 said: SUMMARY...An organized cluster of thunderstorms will spread across the St. Lawrence River through much of the Adirondacks vicinity, along with continuing development across and southeast of Lake Ontario by 5-7 PM EDT, accompanied by the risk for potentially damaging wind gusts. DISCUSSION...Moderate southeasterly low-level inflow of moist air characterized by CAPE in excess of 1000 J/kg is maintaining vigorous thunderstorm development along the leading edge of an east-southeastward advancing, convectively driven surface cold pool. This continues to be aided by large-scale forcing for ascent associated with a 30-50 kt westerly mid/upper jet streak, and will overspread the upper St. Lawrence Valley through much of the Adirondacks region by 22-23Z. As the temperature gradient across the gust front increases at least a bit further, potential for damaging wind gusts probably will also continue to increase during the next hour or two. Farther to the southwest, thunderstorms which initiated along the trailing outflow boundary, and preceding lake breezes across the Lake Ontario vicinity, may also begin to consolidate while spreading into the unstable environment to the southeast of the lake. This too may gradually pose increasing risk for damaging wind gusts near/north of the Finger Lakes region through the Mohawk Valley by early evening. Yikes! No severe weather needed...especially in the Mohawk Valley! They've had enough. 1 Link to comment Share on other sites More sharing options...
wolfie09 Posted July 20, 2021 Share Posted July 20, 2021 Starting to see some clusters form.. Link to comment Share on other sites More sharing options...
TugHillMatt Posted July 20, 2021 Share Posted July 20, 2021 Starting to see some prefontal single cells forming too. Our friend in Hannibal about to get hit. 1 Link to comment Share on other sites More sharing options...
BuffaloWeather Posted July 20, 2021 Author Share Posted July 20, 2021 The National Weather Service in Buffalo has issued a * Flash Flood Warning for... Central Niagara County in western New York... * Until 845 PM EDT. * At 449 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. Link to comment Share on other sites More sharing options...
BuffaloWeather Posted July 20, 2021 Author Share Posted July 20, 2021 https://twitter.com/KrisRuggieroWx/status/1417583910062592003 1 Link to comment Share on other sites More sharing options...
BuffaloWeather Posted July 20, 2021 Author Share Posted July 20, 2021 1 Link to comment Share on other sites More sharing options...
BuffaloWeather Posted July 20, 2021 Author Share Posted July 20, 2021 1 Link to comment Share on other sites More sharing options...
BuffaloWeather Posted July 20, 2021 Author Share Posted July 20, 2021 1 Link to comment Share on other sites More sharing options...
BuffaloWeather Posted July 20, 2021 Author Share Posted July 20, 2021 Some small rotation on that cell too. Has to be some crazy looking clouds. If I left now I'd probably miss the good stuff. Link to comment Share on other sites More sharing options...
BuffaloWeather Posted July 20, 2021 Author Share Posted July 20, 2021 Link to comment Share on other sites More sharing options...
BuffaloWeather Posted July 20, 2021 Author Share Posted July 20, 2021 1 Link to comment Share on other sites More sharing options...
lakeeffectkid383 Posted July 20, 2021 Share Posted July 20, 2021 7 minutes ago, BuffaloWeather said: Some small rotation on that cell too. Has to be some crazy looking clouds. If I left now I'd probably miss the good stuff. Nah those storms are back building and training right over Lockport. Gonna be some massive flooding there soon. They get plenty of flooding with a garden variety thunderstorm that last 20 minutes let alone a training storm like this that’s going to last over an hour or two with 2-3” of rain falling an hour. 1 Link to comment Share on other sites More sharing options...
DeltaT13 Posted July 20, 2021 Share Posted July 20, 2021 What a day to be in Lockport. Hours of backbuilding super intense storms. Gotta be some significant flash floods too. Link to comment Share on other sites More sharing options...
wolfie09 Posted July 20, 2021 Share Posted July 20, 2021 STW issued.. The National Weather Service in Buffalo has issued a * Severe Thunderstorm Warning for... Jefferson County in central New York... Lewis County in central New York... Northeastern Oswego County in central New York... * Until 615 PM EDT.. * At 512 PM EDT, severe thunderstorms were located along a line extending from 6 miles southwest of Fowler to 13 miles west of Stony Point, moving east at 35 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Watertown, Sandy Island Beach State Park, Fort Drum, Stony Point, Carthage, Lowville, Pulaski, West Carthage, Adams and Dexter. This includes Interstate 81 between exits 34 and 48. Link to comment Share on other sites More sharing options...
Syrmax Posted July 20, 2021 Share Posted July 20, 2021 44 minutes ago, TugHillMatt said: Starting to see some prefontal single cells forming too. Our friend in Hannibal about to get hit. Thunder now...could be a good one incoming. 2 Link to comment Share on other sites More sharing options...
wolfie09 Posted July 20, 2021 Share Posted July 20, 2021 Pitch black out, starting to rain, little thunder.. Link to comment Share on other sites More sharing options...
wolfie09 Posted July 20, 2021 Share Posted July 20, 2021 The rain is intense, probably already more than the Hrrr had for here lol 1 Link to comment Share on other sites More sharing options...
Syrmax Posted July 20, 2021 Share Posted July 20, 2021 2 minutes ago, wolfie09 said: The rain is intense, probably already more than the Hrrr had for here lol Cell is going just to my north in So. Oswego County. The Downdrafts are killing the Sizzle though. 1 1 Link to comment Share on other sites More sharing options...
Revracer800 Posted July 20, 2021 Share Posted July 20, 2021 58 minutes ago, TugHillMatt said: Starting to see some prefontal single cells forming too. Our friend in Hannibal about to get hit. Yup we got it, heavy rain and a little thunder and lightning, wind was calm as it could be. Now the wind is picking up pretty good. 2 Link to comment Share on other sites More sharing options...
wolfie09 Posted July 20, 2021 Share Posted July 20, 2021 14 minutes ago, wolfie09 said: Pitch black out, starting to rain, little thunder.. 0.41" in about 10-12 minutes, little lull right now before the next batch comes through.. 1 Link to comment Share on other sites More sharing options...
wolfie09 Posted July 20, 2021 Share Posted July 20, 2021 Just to my east already over an inch liquid as it really blew up . Link to comment Share on other sites More sharing options...
wolfie09 Posted July 20, 2021 Share Posted July 20, 2021 STW issued for the southern part of the county.. A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT FOR SOUTHERN OSWEGO COUNTY... At 609 PM EDT, a severe thunderstorm was located over Central Square, or 11 miles northeast of Baldwinsville, moving east at 25 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Minor damage to vehicles is possible. Expect wind damage to roofs, siding, and trees. Locations impacted include... Fulton, Central Square, Battle Island State Park, Hastings, Volney, Constantia, West Monroe, Palermo, Phoenix and Cleveland. This includes Interstate 81 between exits 32 and 33. Link to comment Share on other sites More sharing options...
CNY_WX Posted July 20, 2021 Share Posted July 20, 2021 That storm just went through here with winds that had to be gusting to 50 mph. A few bb sized hail storm also mixed in. I have a couple of small trees in my yard and I thought they were going to snap off. 1 Link to comment Share on other sites More sharing options...
TugHillMatt Posted July 20, 2021 Share Posted July 20, 2021 9 minutes ago, CNY_WX said: That storm just went through here with winds that had to be gusting to 50 mph. A few bb sized hail storm also mixed in. I have a couple of small trees in my yard and I thought they were going to snap off. Yikes! Just breezy here right now. Looks like what's setting up may start to train from west to east more. Link to comment Share on other sites More sharing options...
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