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January 30, 2019 Snow Squall Observations Thread


bluewave

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The National Weather Service in Mount Holly NJ has issued a

* Snow Squall Warning for...
Northern New Castle County in northern Delaware...
Northwestern Camden County in southern New Jersey...
Southwestern Warren County in northwestern New Jersey...
Northwestern Mercer County in central New Jersey...
Southwestern Somerset County in northern New Jersey...
Northwestern Salem County in southern New Jersey...
Hunterdon County in northwestern New Jersey...
Northwestern Gloucester County in southern New Jersey...
Northwestern Burlington County in southern New Jersey...
Montgomery County in southeastern Pennsylvania...
Southeastern Berks County in eastern Pennsylvania...
Eastern Lehigh County in eastern Pennsylvania...
Bucks County in southeastern Pennsylvania...
Chester County in southeastern Pennsylvania...
Philadelphia County in southeastern Pennsylvania...
Delaware County in southeastern Pennsylvania...
Southwestern Northampton County in eastern Pennsylvania...

* Until 300 PM EST.

* At 205 PM EST, a dangerous snow squall was located along a line
extending from near Erwinna to Greenville, moving east at 20 mph.

HAZARD...Whiteout conditions. Zero visibility in snow and blowing
snow. Wind gusts greater than 30 mph.

SOURCE...Radar indicated.
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Warning was expanded. Let's see what upton does (my guess is just a SPS)

The National Weather Service in Mount Holly NJ has issued a

* Snow Squall Warning for...
Morris County in northern New Jersey...
Northeastern Hunterdon County in northwestern New Jersey...
Passaic County in northeastern New Jersey...
Sussex County in northwestern New Jersey...
Warren County in northwestern New Jersey...
Northern Somerset County in northern New Jersey...
Northeastern Middlesex County in northern New Jersey...
Southeastern Monroe County in northeastern Pennsylvania...
Northeastern Northampton County in eastern Pennsylvania...
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DEC003-NJC005-007-015-019-021-033-035-041-PAC017-029-045-091-095-101-  
302000-  
/O.CON.KPHI.SQ.W.0001.000000T0000Z-190130T2000Z/  
NEW CASTLE DE-CAMDEN NJ-WARREN NJ-MERCER NJ-SOMERSET NJ-SALEM NJ-  
HUNTERDON NJ-GLOUCESTER NJ-BURLINGTON NJ-MONTGOMERY PA-BUCKS PA-  
CHESTER PA-PHILADELPHIA PA-DELAWARE PA-NORTHAMPTON PA-  
226 PM EST WED JAN 30 2019  
 
...A SNOW SQUALL WARNING REMAINS IN EFFECT UNTIL 300 PM EST FOR  
NORTHERN NEW CASTLE...NORTHWESTERN CAMDEN...SOUTHWESTERN WARREN...  
NORTHWESTERN MERCER...SOUTHWESTERN SOMERSET...NORTHWESTERN SALEM...  
HUNTERDON...NORTHWESTERN GLOUCESTER...NORTHWESTERN BURLINGTON...  
MONTGOMERY...BUCKS...SOUTHEASTERN CHESTER...PHILADELPHIA...DELAWARE  
AND SOUTH CENTRAL NORTHAMPTON COUNTIES...  
 
AT 226 PM EST, A DANGEROUS SNOW SQUALL WAS LOCATED ALONG A LINE  
EXTENDING FROM SAND BROOK TO NEAR WILMINGTON, MOVING EAST AT 20 MPH.  
 
HAZARD...WHITEOUT CONDITIONS. ZERO VISIBILITY IN SNOW AND BLOWING  
SNOW. WIND GUSTS GREATER THAN 30 MPH.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...DANGEROUS LIFE-THREATENING TRAVEL.  
 
THIS WILL IMPACT PORTIONS OF INTERSTATE 76, 276, 476, 676, 78, 95,  
295 AND STATE ROUTES 23, 700  
 
LOCATIONS IMPACTED INCLUDE...  
PHILADELPHIA, TRENTON, CAMDEN, WILMINGTON, SOMERVILLE, GLOUCESTER  
CITY, BENSALEM, BRIDGEWATER, EWING, NORRISTOWN, CHESTER, DEPTFORD,  
WEST DEPTFORD, GLASSBORO, LANSDALE, WEST NORRITON, EAST NORRITON,  
PENNSVILLE, BELLMAWR AND YEADON.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
REDUCE YOUR SPEED AND TURN ON HEADLIGHTS! DURING SNOW SQUALLS, THE  
VISIBILITY MAY SUDDENLY DROP TO NEAR ZERO IN WHITEOUT CONDITIONS.  
 
THERE IS NO SAFE PLACE ON A HIGHWAY WHEN A SNOW SQUALL HITS.  
VISIBILITY AND TRACTION ARE IMMEDIATELY LOST IN WHITEOUT CONDITIONS,  
MAKING IT DIFFICULT OR IMPOSSIBLE TO SLOW DOWN AND AVOID STOPPED  
VEHICLES. DELAY TRAVEL OR SAFELY EXIT THE HIGHWAY BEFORE THE SNOW  
SQUALL ARRIVES.  
 
WET ROADWAYS WILL QUICKLY FREEZE. BLACK ICE WILL CAUSE UNTREATED  
ROADS, BRIDGES AND OVERPASSES TO BECOME SLICK AND DANGEROUS. SLOW  
DOWN AND BE PREPARED FOR SUDDEN LOSS OF TRACTION.  
  

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Just now, Brian5671 said:

back in the late 90's there was a series of squalls that caused a 30-40 car pileup on I-95 near Clinton CT.

Ya I’m supposed to leave work around 4 but starting to think I may leave early just in case.  Not to mention it would be pretty cool to see the clouds approaching as I drive SE in 95.

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2 minutes ago, Brian5671 said:

back in the late 90's there was a series of squalls that caused a 30-40 car pileup on I-95 near Clinton CT.

My uncle got into a bad accident in one in early December 1991.  Nothing accumulated because it was in the upper 30s when it came across but visibility was about 1/16th for 30 minutes.  That was one major waste of a snow squall 

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