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LU9DCE > ALERT 30.01.22 15:00z 103 Lines 4314 Bytes #999 (0) @ WW
BID : 2714_LU9DCE
Read: GUEST
Subj: STORM PREDICTION CENTER 30-ENE22
Path: HB9ON<IW8PGT<LU4ECL<LU9DCE
Sent: 220130/1431Z 2714@LU9DCE.TOR.BA.ARG.SOAM LinBPQ6.0.22
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ESTACION DE PACKET RADIO - BUENOS AIRES (GF05OM)
BOLETINES INFORMATIVOS PROGRAMADOS (BIP)
Copyright 2021 - Eduardo A. Castillo
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SPC Forecast Products Storm Prediction Center en-us
None spc.feedback@noaa.gov (spc.feedback@noaa.gov)
spc.feedback@noaa.gov (spc.feedback@noaa.gov) Sun, 30 Jan 2022
00:50:01 +0000 Sun, 30 Jan 2022 00:50:01 +0000 general 1
SPC Forecast Products
SPC - No watches are valid as of Sun Jan 30 00:50:02 UTC
2022 No watches are valid as of Sun Jan 30 00:50:02 UTC 2022.
Sun, 30 Jan 2022 00:49:06 +0000
SPC MD 100 MD 0100 CONCERNING HEAVY SNOW FOR PORTIONS
OF EASTERN CONNECTICUT...EASTERN MASSACHUSETTS...RHODE
ISLAND...EASTERN NEW HAMPSHIRE...MUCH OF MAINE
Mesoscale Discussion 0100 NWS Storm Prediction Center Norman OK
0448 PM CST Sat Jan 29 2022
Areas affected...portions of eastern Connecticut...eastern
Massachusetts...Rhode Island...eastern New Hampshire...much of Maine
Concerning...Heavy snow
Valid 292248Z - 300445Z
SUMMARY...Heavy snow, with up to 1-2 inch/hour snowfall rates and
occasional blizzard conditions are expected to continue into the
early evening hours, before gradually waning as the surface low
drifts away from New England.
DISCUSSION...MRMS mosaic radar continues to show widespread
moderate to heavy snow ongoing across much of northern/eastern New
England. A 972 mb surface low is currently located about 100 miles
east-northeast of Cape Cod and continues to slowly track northeast
towards Newfoundland. Strong 850-700 mb warm-air advection pivoting
around the northwest quadrant of the surface low continues to foster
deep-layer lifting of a near-saturated airmass across northern New
England per 22Z mesoanalysis/21Z RAP forecast soundings. Recently,
IR satellite data has shown some cloud tops exhibiting cooling
trends across Maine, suggesting that this snow band is maturing.
KGYX dual-polarimetric radar data shows a 0.6-0.8 deg/km specific
differential phase at the 5.1 degree tilt within the Maine snow
band, indicative of very efficient dendrite production. 1-2 inch/hr
snowfall rates are likely ongoing with this band and should continue
for at least a couple more hours.
Meanwhile, given the close proximity of the surface low, blizzard
conditions are expected on or in close proximity to the Atlantic
Coast for at least a couple more hours, with 30+ kt gusts and
significantly reduced visibility expected. Within the 01-03Z time
frame, the surface low will be drifting away from New England,
with wind speeds and associated heavy snow expected to diminish
through the evening hours.
..Squitieri/Grams.. 01/29/2022
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...CAR...GYX...BOX...OKX...
LAT...LON 41227236 42667206 44147145 45377076 46606883 46826795
46486775 45796758 45336724 45076752 44236866 43676940
42617035 42107009 41607014 41397121 41227236
Read more
Sun, 30 Jan 2022 00:00:03 +0000
SPC Jan 30, 2022 0100 UTC Day 1 Convective Outlook SPC 0100Z
Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0636
PM CST Sat Jan 29 2022
Valid 300100Z - 301200Z
...NO THUNDERSTORM AREAS FORECAST...
...SUMMARY... Thunderstorms are not forecast over the contiguous
U.S. tonight.
...Synopsis... Water-vapor imagery this evening shows a powerful
Nor'easter exiting New England and moving north-northeastward into
the eastern Canadian provinces tonight. Dry offshore flow will
continue over the Southeast as surface high pressure resides over
the Gulf. A mid-level disturbance will move from the southern CA
coast into AZ by early Sunday morning.
..Smith.. 01/30/2022
Read more
Sun, 30 Jan 2022 00:40:57 +0000
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