ChescoWx Posted Tuesday at 01:39 AM Share Posted Tuesday at 01:39 AM On 8/23/2026 at 6:00 PM, Eskimo Joe said: This was.an interesting read and brings two questions to my mind. First, what AI are you using and did you air gap it? Have you found it difficult to maintain? Second, have you found anything significant with respect to short term snowfall forecasting? Hey Joe - I am using Claude which does not run locally so no air-gapped environment. Regarding snow I just started the model up 3 days ago so we will see when we get to winter. Link to comment Share on other sites More sharing options...
ChescoWx Posted Tuesday at 01:44 PM Share Posted Tuesday at 01:44 PM Widespread low to mid 50's across the county this morning with the lowest the 51.2 at Warwick. Another beautiful day on tap today with highs per our ChescoWx Model in the mid 70's with the NWS seeing upper 70's. The NWS sees 80's starting tomorrow through the next week while ChescoWx keeps East Nantmeal just shy of 80’s both tomorrow and Thursday before falling back to the mid 70's both Friday and Saturday. Rain chances to increase by Thursday before we clear out on Friday. Link to comment Share on other sites More sharing options...
BBasile Posted Tuesday at 02:44 PM Share Posted Tuesday at 02:44 PM Got down to 57F this morning. That was nice. Link to comment Share on other sites More sharing options...
Birds~69 Posted Tuesday at 04:02 PM Share Posted Tuesday at 04:02 PM 1 hour ago, BBasile said: Got down to 57F this morning. That was nice. We may not hit 90F for the rest of the season? Overnight lows in the 50s are super nice... 74F/DP 62F 1 Link to comment Share on other sites More sharing options...
RedSky Posted Tuesday at 04:32 PM Share Posted Tuesday at 04:32 PM September will have a heat wave 1 Link to comment Share on other sites More sharing options...
Birds~69 Posted Tuesday at 04:51 PM Share Posted Tuesday at 04:51 PM 9 minutes ago, RedSky said: September will have a heat wave Phillies/Birds. Summer is over, done, a "has been", kaput, no chance, winter school closings mid-November, fill up the snow blower... 74F/DP 61F Link to comment Share on other sites More sharing options...
Mikeymac5306 Posted Tuesday at 07:15 PM Share Posted Tuesday at 07:15 PM Kinda ironic that Dolly Parton passes and the next named storm is Dolly. Doncha think? 1 Link to comment Share on other sites More sharing options...
JTA66 Posted Tuesday at 09:58 PM Share Posted Tuesday at 09:58 PM It’s been nice these last few days to stand up or floss or change the channel and not break out in a sweat. 1 Link to comment Share on other sites More sharing options...
ChescoWx Posted yesterday at 01:14 PM Share Posted yesterday at 01:14 PM One more great day before we see the return of some showers and maybe a t-storm tomorrow. Our ChescoWx forecast keeps us in the mid to upper 70's for highs each day through Sunday before we warm into the mid to upper 80's by both Tuesday and Wednesday next week before we cool down again by the end of next week. Some valley spots could certainly see some 90 degree temps for a couple of days but any extended heat wave is unlikely. Link to comment Share on other sites More sharing options...
ChescoWx Posted yesterday at 01:33 PM Share Posted yesterday at 01:33 PM For those interested in the very early accuracy of the ChescoWx model forecasts vs. the NWS - so far with a couple complete days all model runs ran cooler than the NWS Forecast and the actual verified temperatures were cooler than the NWS Forecast with ChescoWx at least over a couple full days being closer to the actuals. But it is only a couple of days so we will keep tracking. The first column is the forecast run time with the green shaded being ChescoWx and the unshaded column the NWS forecast. Link to comment Share on other sites More sharing options...
ChescoWx Posted yesterday at 02:20 PM Share Posted yesterday at 02:20 PM Fox 29 in Philly posted the below graphic for Philadelphia at the PHL Airport regarding "heat wave" days. I have also posted the same analysis for Chester County since 2020. Of note 10 of the Chester County stations have had the same or less than the 7 heat waves at PHL this year over the entire 2020's! Link to comment Share on other sites More sharing options...
RedSky Posted 23 hours ago Share Posted 23 hours ago Heat wave first week of September lol ECM likes a really long heat wave 1 1 Link to comment Share on other sites More sharing options...
The Iceman Posted 19 hours ago Share Posted 19 hours ago 4 hours ago, RedSky said: Heat wave first week of September lol ECM likes a really long heat wave December preview 1 Link to comment Share on other sites More sharing options...
ChescoWx Posted 4 hours ago Share Posted 4 hours ago We had a brief shower this morning, but showers will become more widespread later this afternoon and into the night with the ChescoWx model predicting 0.44" of rain by midnight tonight. We start to clear up tomorrow and start a steady warming trend with our peak warm days looking to be next Monday and Tuesday. However, any 90+ days look unlikely especially for the ridge locations. I suspect we have already seen our last "heat wave" across the county. Link to comment Share on other sites More sharing options...
soadforecasterx Posted 1 hour ago Share Posted 1 hour ago Ended up with 1.11" with that storm that rolled through. 1 Link to comment Share on other sites More sharing options...
Birds~69 Posted 1 hour ago Share Posted 1 hour ago It just looks and feels like downpours will happen at some point. Thinking 2"+... 72F/DP 71F 1 Link to comment Share on other sites More sharing options...
pl0k00n111 Posted 1 hour ago Share Posted 1 hour ago Storms in pennsauken. 1 Link to comment Share on other sites More sharing options...
SouthernNJ Posted 1 hour ago Share Posted 1 hour ago The storm over Wilmington was about to move towards Philadelphia, but it has taken a right turn and will now move through Gloucester county. Certainly some spin indicated down near Auburn and Woodstown in Salem county. 1 Link to comment Share on other sites More sharing options...
BBasile Posted 49 minutes ago Share Posted 49 minutes ago The thunder with this beast is nonstop. Link to comment Share on other sites More sharing options...
SouthernNJ Posted 42 minutes ago Share Posted 42 minutes ago The storm's core has shifted a few times, though it appears the strongest winds were on the south side of Mullica Hill and moving into Pitman as well as adjacent townships. Link to comment Share on other sites More sharing options...
BBasile Posted 30 minutes ago Share Posted 30 minutes ago Rotation sliding by to my South. Link to comment Share on other sites More sharing options...
soadforecasterx Posted 29 minutes ago Share Posted 29 minutes ago Feel like that storm should be tornado warned. Link to comment Share on other sites More sharing options...
BBasile Posted 26 minutes ago Share Posted 26 minutes ago Rotation tightened up a bit with the latest scan. 1 Link to comment Share on other sites More sharing options...
SouthernNJ Posted 24 minutes ago Share Posted 24 minutes ago Dangerous storm over Richwood, Pitman, Glassboro. Damaging winds and a circulation are both present. Link to comment Share on other sites More sharing options...
Hurricane Agnes Posted 17 minutes ago Share Posted 17 minutes ago Thunderstorm Watches are up. Quote SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 630 NWS STORM PREDICTION CENTER NORMAN OK 1245 PM EDT THU AUG 27 2026 SEVERE THUNDERSTORM WATCH 630 IS IN EFFECT UNTIL 800 PM EDT FOR THE FOLLOWING LOCATIONS PAC017-029-045-091-101-280000- /O.NEW.KWNS.SV.A.0630.260827T1645Z-260828T0000Z/ PA . PENNSYLVANIA COUNTIES INCLUDED ARE BUCKS CHESTER DELAWARE MONTGOMERY PHILADELPHIA $$ Quote SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 630 NWS STORM PREDICTION CENTER NORMAN OK 1245 PM EDT THU AUG 27 2026 SEVERE THUNDERSTORM WATCH 630 IS IN EFFECT UNTIL 800 PM EDT FOR THE FOLLOWING LOCATIONS NJC001-003-005-007-009-011-013-015-017-019-021-023-025-027-029- 031-033-035-037-039-041-280000- /O.NEW.KWNS.SV.A.0630.260827T1645Z-260828T0000Z/ NJ . NEW JERSEY COUNTIES INCLUDED ARE ATLANTIC BERGEN BURLINGTON CAMDEN CAPE MAY CUMBERLAND ESSEX GLOUCESTER HUDSON HUNTERDON MERCER MIDDLESEX MONMOUTH MORRIS OCEAN PASSAIC SALEM SOMERSET SUSSEX UNION WARREN $$ Quote SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 630 NWS STORM PREDICTION CENTER NORMAN OK 1245 PM EDT THU AUG 27 2026 SEVERE THUNDERSTORM WATCH 630 IS IN EFFECT UNTIL 800 PM EDT FOR THE FOLLOWING LOCATIONS DEC001-003-280000- /O.NEW.KWNS.SV.A.0630.260827T1645Z-260828T0000Z/ DE . DELAWARE COUNTIES INCLUDED ARE KENT NEW CASTLE $$ Link to comment Share on other sites More sharing options...
SouthernNJ Posted 14 minutes ago Share Posted 14 minutes ago The outflow boundary will continue to alter the main storm's appearance and cause additional storms to form later on along its flank. Thunderstorms forming back near Wilmington will move along the same path and could lead to flash flooding along the Route 130/Delaware River corridor. Link to comment Share on other sites More sharing options...
Chadzachadam Posted 14 minutes ago Share Posted 14 minutes ago That storm looked a lot more menacing on radar than in real life here in Philly. just a few rumbles on thunder and a few hundredths of an inch of rain Link to comment Share on other sites More sharing options...
Hurricane Agnes Posted 5 minutes ago Share Posted 5 minutes ago 2 minutes ago, Chadzachadam said: That storm looked a lot more menacing on radar than in real life here in Philly. just a few rumbles on thunder and a few hundredths of an inch of rain It mostly split up and moved north and south of the city. i registered 0.01" and was surprised to get that. There has been lots of convection around though. The humidity with dews back up in the 70s, has made it miserable again. Currently overcast and 75 with dp 73. Link to comment Share on other sites More sharing options...
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