EastonSN+ Posted January 18, 2020 Share Posted January 18, 2020 3 minutes ago, Allsnow said: Final call KNYC 2 KEWR 3 KLGA 1.5 KJFK .9 KBDR 4 I actually agree with those 100%. Do u have the 6z EURO? Link to comment Share on other sites More sharing options...
Allsnow Posted January 18, 2020 Share Posted January 18, 2020 7 minutes ago, EastonSN+ said: I actually agree with those 100%. Do u have the 6z EURO? 1 Link to comment Share on other sites More sharing options...
Tatamy Posted January 18, 2020 Share Posted January 18, 2020 Snowing hard right now in Harrisburg PA region. 3 Link to comment Share on other sites More sharing options...
EastonSN+ Posted January 18, 2020 Share Posted January 18, 2020 1 minute ago, Allsnow said: Thanks HUGE gradient between BDR and Greenwich Link to comment Share on other sites More sharing options...
psv88 Posted January 18, 2020 Share Posted January 18, 2020 15 minutes ago, Allsnow said: Final call KNYC 2 KEWR 3 KLGA 1.5 KJFK .9 KBDR 4 Did LI fall into the ocean? 1 Link to comment Share on other sites More sharing options...
Animal Posted January 18, 2020 Share Posted January 18, 2020 12z nam backed of qpf Link to comment Share on other sites More sharing options...
CPcantmeasuresnow Posted January 18, 2020 Share Posted January 18, 2020 19 minutes ago, Allsnow said: Final call KNYC 2 KEWR 3 KLGA 1.5 KJFK .9 KBDR 4 I'd only make one change to this. KNYC 2.4 inches actual, final total reported from Conservancy 1.6 Link to comment Share on other sites More sharing options...
Allsnow Posted January 18, 2020 Share Posted January 18, 2020 5 minutes ago, psv88 said: Did LI fall into the ocean? Kpsv 1.2 1 Link to comment Share on other sites More sharing options...
NYCweatherNOW Posted January 18, 2020 Share Posted January 18, 2020 Final call Central Park 3.4 inches white plains 5.6 newark 3.6 albany 6.7 mahopac 6.1 boston 3.9 hartford 4.7 philadelphoa 1.2 scranton 7.0 stamford 4.3 islip 2.9 westhampton 0.9 monticello 7.8 syracuse 8.5 poughkeepsie 6.6 3 Link to comment Share on other sites More sharing options...
Neblizzard Posted January 18, 2020 Share Posted January 18, 2020 29 minutes ago, Animal said: 12z nam backed of qpf Doesn’t matter , it’s now casting time . Link to comment Share on other sites More sharing options...
NEG NAO Posted January 18, 2020 Share Posted January 18, 2020 VERY HIGH PRESSURES AND LOW DEWPOINTS 675 ASUS41 KOKX 181414 RWROKX REGIONAL WEATHER ROUNDUP NATIONAL WEATHER SERVICE NEW YORK NY 900 AM EST SAT JAN 18 2020 NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO SIGNIFICANT WEATHER AND/OR S TO VISIBILITY. NYZ071-072-176-178-NJZ106-104-181500- NEW YORK CITY METRO AREA CITY SKY/WX TMP DP RH WIND PRES REMARKS CENTRAL PARK CLOUDY 23 3 42 E8 30.53F WCI 14 BRONX LEHMAN C N/A 23 5 46 SE5 N/A WCI 17 LAGUARDIA ARPT CLOUDY 21 2 43 E7 30.53F WCI 12 QUEENS COLLEGE N/A 21 5 49 NE8 N/A WCI 12 KENNEDY INTL CLOUDY 22 5 48 E7 30.55F WCI 13 BREEZY POINT N/A N/A N/A N/A NE7 N/A BROOKLYN COLL N/A 25 5 42 E6 N/A WCI 18 STATEN ISLAND N/A 25 7 46 SE5 N/A WCI 19 NEWARK/LIBERTY CLOUDY 23 3 42 E5 30.52F WCI 17 TETERBORO CLOUDY 23 1 38 VRB3 30.52F Link to comment Share on other sites More sharing options...
MJO812 Posted January 18, 2020 Share Posted January 18, 2020 1-3 inches is a good call for the NYC area Enjoy 1 1 Link to comment Share on other sites More sharing options...
Tatamy Posted January 18, 2020 Share Posted January 18, 2020 Snow shield is just west of Allentown. It comes in like a wall and starts ripping almost right away. 3 Link to comment Share on other sites More sharing options...
purduewx80 Posted January 18, 2020 Share Posted January 18, 2020 19 minutes ago, NEG NAO said: VERY HIGH PRESSURES AND LOW DEWPOINTS That dry air goes all the way up past 700mb. 1 Link to comment Share on other sites More sharing options...
Tatamy Posted January 18, 2020 Share Posted January 18, 2020 I am seeing visibility’s of less than 1/4 mile on traffic cameras just west of Allentown right now. 1 Link to comment Share on other sites More sharing options...
NEG NAO Posted January 18, 2020 Share Posted January 18, 2020 2 minutes ago, Tatamy said: I am seeing visibility’s of less than 1/4 mile on traffic cameras just west of Allentown right now. Reading at 10 AM is reporting Heavy Snow READING HVY SNOW 21 18 88 S7 30.50R VSB 1/4 WCI 12 2 Link to comment Share on other sites More sharing options...
tek1972 Posted January 18, 2020 Share Posted January 18, 2020 Wind changed from NNW to ESE here in Suffolk countyTemps inching up steadily from 19 degrees at 5 AM to 24 degrees nowSent from my SM-N975U using Tapatalk Link to comment Share on other sites More sharing options...
NittanyWx Posted January 18, 2020 Share Posted January 18, 2020 1 hour ago, Allsnow said: Final call KNYC 2 KEWR 3 KLGA 1.5 KJFK .9 KBDR 4 I like the call. 2 Link to comment Share on other sites More sharing options...
purduewx80 Posted January 18, 2020 Share Posted January 18, 2020 The models unanimously weaken that fronto forcing between 700-500mb where the DGZ is, so if this is correct, +SN may not make it into the area this afternoon. 3 1 Link to comment Share on other sites More sharing options...
wdrag Posted January 18, 2020 Author Share Posted January 18, 2020 For what it's worth.... I've added the thermal profile for LGA from there 12z NAM. Some forecasters get concerned about Ice Pellets (IP) once the temp aloft nudges zero. In this case at about 22z, there is a modeled hint of IP before upward motion and wet bulbing may cool the sounding enough to permit snow til about 0030z. The sfc temp may not be cold enough to support much if any additional accumulation after 00z. Also RGEM from the 12z run is slightly warmer aloft and seems like less qpf in NJ. Hope am wrong about the warming aloft trends. I've added the Sparta NJ hourly type for any forum members in nw NJ. Hope it's right about only 1 hr IP. Walt 1530z/18 3 Link to comment Share on other sites More sharing options...
Tatamy Posted January 18, 2020 Share Posted January 18, 2020 The leading edge of the precip is approaching my location now. It looks just like a summer squall line only it is white. 2 Link to comment Share on other sites More sharing options...
NittanyWx Posted January 18, 2020 Share Posted January 18, 2020 4 minutes ago, purduewx80 said: The models unanimously weaken that fronto forcing between 700-500mb where the DGZ is, so if this is correct, +SN may not make it into the area this afternoon. Yeah, looking likely that will weaken by the time it gets here. We'll get some light to moderate stuff early, then main precip shield in that late afternoon/evening window. SE wind is helping to moisten the column a bit already though, it won't totally fizzle even if best fronto forcing is the west. 1 1 Link to comment Share on other sites More sharing options...
Allsnow Posted January 18, 2020 Share Posted January 18, 2020 11 minutes ago, purduewx80 said: The models unanimously weaken that fronto forcing between 700-500mb where the DGZ is, so if this is correct, +SN may not make it into the area this afternoon. Hopefully the same the dry air helps us stay snow as the main slug comes in later this afternoon 1 Link to comment Share on other sites More sharing options...
purduewx80 Posted January 18, 2020 Share Posted January 18, 2020 1 minute ago, NittanyWx said: Yeah, looking likely that will weaken by the time it gets here. We'll get some light to moderate stuff early, then main precip shield in that late afternoon/evening window. SE wind is helping to moisten the column a bit already though, it won't totally fizzle even if best fronto forcing is the west. Agreed - I like the ~6-8PM window for potential +SN in northern Queens/LI, Manhattan, CT and points north. 2 Link to comment Share on other sites More sharing options...
ILoveWinter Posted January 18, 2020 Share Posted January 18, 2020 1 minute ago, purduewx80 said: Agreed - I like the ~6-8PM window for potential +SN in northern Queens/LI, Manhattan, CT and points north. Isn't there a mix/rain risk at that time though? Link to comment Share on other sites More sharing options...
NEG NAO Posted January 18, 2020 Share Posted January 18, 2020 Traffic Cams showing it starting to snow in Trenton area Link to comment Share on other sites More sharing options...
Tatamy Posted January 18, 2020 Share Posted January 18, 2020 1/2 mile in moderate snow here. Link to comment Share on other sites More sharing options...
purduewx80 Posted January 18, 2020 Share Posted January 18, 2020 3 minutes ago, ILoveWinter said: Isn't there a mix/rain risk at that time though? Walt's post above addresses this. Parts of the 5 boroughs may see some mixing prior to going back to mdt/hvy snow, but I think this (mix/rain) is most likely in SI, BK, southern Queens/LI due to the rapidly increasing LLJ off the relatively milder ocean. For now most of the soundings support this scenario. 1 2 Link to comment Share on other sites More sharing options...
Rtd208 Posted January 18, 2020 Share Posted January 18, 2020 Temp is on the move upward here. Current temp 26/DP 11 Link to comment Share on other sites More sharing options...
winterwx21 Posted January 18, 2020 Share Posted January 18, 2020 NAM and HRRR actually give Long Island more snow than northern Jersey now. Doesn't make much sense since LI was supposed to get less due to warming. Models have suddenly cut way back for my area, showing closer to 1 inch. Bad trends here at the last minute for this area. I know people say it doesn't matter because it's nowcasting time, but models are supposed to be more accurate the closer they get to an event. So they should be more accurate now than they were last night, but it's hard to believe LI could get more than northern NJ in this kind of setup. 1 Link to comment Share on other sites More sharing options...
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