Alert archive / New Jersey / Snow Squall Warnings in 2020
Snow Squall Warning 7, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this snow squall warning at Jan 8, 2020, 9:14 AM EST for 6 counties in New Jersey. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jan 8, 2020, 9:14 AM EST (14:14 UTC)
- Expired
- Jan 8, 2020, 10:00 AM EST
- In force
- 46 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cumberland County, NJ, Gloucester County, NJ, Salem County, NJ
The radar
The Philadelphia radar (KDIX), 64 km from the middle of the area, began a volume at 14:18 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 12:00Z, 2.2 hours before the alert went out and 190 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1551 m above ground
- 0-6 km bulk shear
- 77 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 91 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
749
WWUS51 KPHI 081415
SQWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Snow Squall Warning
National Weather Service Mount Holly NJ
914 AM EST Wed Jan 8 2020
NJC001-005-007-011-015-033-081500-
/O.NEW.KPHI.SQ.W.0007.200108T1414Z-200108T1500Z/
Atlantic NJ-Cumberland NJ-Salem NJ-Camden NJ-Gloucester NJ-
Burlington NJ-
914 AM EST Wed Jan 8 2020
The National Weather Service in Mount Holly NJ has issued a
* Snow Squall Warning for...
Atlantic County in southern New Jersey...
Cumberland County in southern New Jersey...
Salem County in southern New Jersey...
Camden County in southern New Jersey...
Gloucester County in southern New Jersey...
Southern Burlington County in southern New Jersey...
* Until 1000 AM EST.
* At 914 AM EST, a dangerous snow squall was located along a line
extending from Paulsboro to near Fairton, moving east at 60 mph.
HAZARD...Extremely poor visibility in heavy snow.
SOURCE...Radar and webcams.
IMPACT...Dangerous life-threatening travel.
* This includes the following highways...
Atlantic City Expressway between mile markers 3 and 44.
Garden State Parkway between mile markers 30 and 52.
Interstate 295 in New Jersey between mile markers 4 and 23.
New Jersey Turnpike between exits 1 and 2.
Locations impacted include...
Vineland, Atlantic City, Millville, Bridgeton, Cumberland, Deptford,
West Deptford, Pleasantville, Glassboro, Lindenwold, Hammonton,
Pennsville, Somers Point, Ventnor City, Woodbury, Pitman, Northfield,
Absecon, Clayton and Carneys Point.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Reduce your speed and turn on headlights! During snow squalls, the
visibility may suddenly drop to near zero in whiteout conditions.
&&
LAT...LON 3931 7450 3935 7532 3960 7551 3981 7540
3985 7533 3986 7519 3979 7440
TIME...MOT...LOC 1414Z 273DEG 53KT 3984 7522 3941 7515
$$
JEO3 follow-up statements
211
WWUS51 KPHI 081432
SQWPHI
Snow Squall Warning
National Weather Service Mount Holly NJ
931 AM EST Wed Jan 8 2020
NJC001-005-007-011-015-033-081500-
/O.CON.KPHI.SQ.W.0007.000000T0000Z-200108T1500Z/
Atlantic NJ-Cumberland NJ-Salem NJ-Camden NJ-Gloucester NJ-
Burlington NJ-
931 AM EST Wed Jan 8 2020
...A SNOW SQUALL WARNING REMAINS IN EFFECT UNTIL 1000 AM EST FOR
ATLANTIC...NORTHERN CUMBERLAND...CENTRAL SALEM...CAMDEN...GLOUCESTER
AND SOUTHERN BURLINGTON COUNTIES...
At 931 AM EST, a dangerous snow squall was located along a line
extending from Voorhees to near Cumberland, moving east at 60 mph.
HAZARD...Extremely poor visibility in heavy snow.
SOURCE...Radar and webcams.
IMPACT...Dangerous life-threatening travel.
This includes the following highways...
Atlantic City Expressway between mile markers 4 and 44.
Garden State Parkway between mile markers 33 and 51.
Interstate 295 in New Jersey between mile markers 20 and 23.
New Jersey Turnpike near exit 2.
Locations impacted include...
Vineland, Millville, Bridgeton, Deptford, West Deptford,
Pleasantville, Glassboro, Lindenwold, Hammonton, Ventnor City,
Woodbury, Pitman, Northfield, Absecon, Clayton, Berlin, Shamong,
Margate City, Buena and Egg Harbor City.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Reduce your speed and turn on headlights! During snow squalls, the
visibility may suddenly drop to near zero in whiteout conditions.
&&
LAT...LON 3934 7450 3937 7464 3940 7496 3940 7532
3959 7544 3974 7533 3978 7526 3986 7519
3979 7440
TIME...MOT...LOC 1431Z 273DEG 53KT 3983 7497 3940 7490
$$
JEO096
WWUS51 KPHI 081448
SQWPHI
Snow Squall Warning
National Weather Service Mount Holly NJ
947 AM EST Wed Jan 8 2020
NJC033-081457-
/O.CAN.KPHI.SQ.W.0007.000000T0000Z-200108T1500Z/
Salem NJ-
947 AM EST Wed Jan 8 2020
...THE SNOW SQUALL WARNING FOR CENTRAL SALEM COUNTY IS CANCELLED...
The snow squall which prompted the warning has moved out of the
warned area. Therefore, the snow squall warning has been cancelled.
LAT...LON 3934 7450 3937 7464 3941 7510 3947 7510
3946 7508 3955 7507 3957 7506 3962 7513
3967 7515 3983 7496 3979 7440
TIME...MOT...LOC 1447Z 273DEG 53KT 3982 7471 3939 7464
$$
NJC001-005-007-011-015-081500-
/O.CON.KPHI.SQ.W.0007.000000T0000Z-200108T1500Z/
Atlantic NJ-Cumberland NJ-Camden NJ-Gloucester NJ-Burlington NJ-
947 AM EST Wed Jan 8 2020
...A SNOW SQUALL WARNING REMAINS IN EFFECT UNTIL 1000 AM EST FOR
ATLANTIC...NORTHEASTERN CUMBERLAND...SOUTHEASTERN CAMDEN...
SOUTHEASTERN GLOUCESTER AND SOUTHERN BURLINGTON COUNTIES...
At 947 AM EST, a dangerous snow squall was located along a line
extending from Tabernacle to near English Creek, moving east at 60
mph.
HAZARD...Extremely poor visibility in heavy snow.
SOURCE...Radar and webcams.
IMPACT...Dangerous life-threatening travel.
This includes the following highways...
Atlantic City Expressway between mile markers 4 and 42.
Garden State Parkway between mile markers 33 and 51.
Locations impacted include...
Vineland, Millville, Pleasantville, Glassboro, Lindenwold, Hammonton,
Ventnor City, Northfield, Absecon, Clayton, Berlin, Shamong, Margate
City, Buena, Egg Harbor City, Weymouth, Estell Manor, Chesilhurst,
Newfield and Port Republic.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Reduce your speed and turn on headlights! During snow squalls, the
visibility may suddenly drop to near zero in whiteout conditions.
&&
LAT...LON 3934 7450 3937 7464 3941 7510 3947 7510
3946 7508 3955 7507 3957 7506 3962 7513
3967 7515 3983 7496 3979 7440
TIME...MOT...LOC 1447Z 273DEG 53KT 3982 7471 3939 7464
$$
JEO307
WWUS51 KPHI 081454
SQWPHI
Snow Squall Warning
National Weather Service Mount Holly NJ
954 AM EST Wed Jan 8 2020
NJC001-005-007-011-015-081504-
/O.EXP.KPHI.SQ.W.0007.000000T0000Z-200108T1500Z/
Atlantic NJ-Cumberland NJ-Camden NJ-Gloucester NJ-Burlington NJ-
954 AM EST Wed Jan 8 2020
...THE SNOW SQUALL WARNING FOR ATLANTIC...NORTHEASTERN CUMBERLAND...
SOUTHEASTERN CAMDEN...SOUTHEASTERN GLOUCESTER AND SOUTHERN BURLINGTON
COUNTIES WILL EXPIRE AT 1000 AM EST...
The snow squall which prompted the warning has exited the area.
Therefore, the snow squall warning will be allowed to expire.
LAT...LON 3934 7450 3937 7464 3941 7510 3947 7510
3946 7508 3955 7507 3957 7506 3962 7513
3967 7515 3983 7496 3979 7440
TIME...MOT...LOC 1454Z 273DEG 53KT 3982 7469 3939 7462
$$
JEOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 8, 7:49 AM EST | Snow Squall Warning | PHI | Warren | 41 min |
| Jan 8, 8:28 AM EST | Snow Squall Warning | PHI | Cumberland, Gloucester, Salem | 47 min |
| Jan 8, 8:30 AM EST | Snow Squall Warning | PHI | Sussex, Warren | 45 min |
| Jan 8, 8:48 AM EST | Snow Squall Warning | PHI | Hunterdon, Middlesex, Morris, Somerset, Warren | 42 min |
| Jan 8, 9:57 AM EST | Special Weather Statement | PHI | Atlantic | 33 min |
| Jan 8, 12:49 PM EST | Snow Squall Warning | PHI | Burlington, Camden | 26 min |
| Jan 8, 1:08 PM EST | Snow Squall Warning | PHI | Burlington, Camden | 37 min |
| Jan 8, 1:48 PM EST | Snow Squall Warning | PHI | Sussex, Warren | 42 min |
| Jan 8, 2:10 PM EST | Special Weather Statement | PHI | Sussex | 35 min |
| Jan 8, 2:18 PM EST | Snow Squall Warning | PHI | Morris, Sussex | 42 min |
| Jan 8, 2:32 PM EST | Special Weather Statement | PHI | Morris, Warren | 28 min |
| Jan 8, 3:05 PM EST | Special Weather Statement | PHI | Hunterdon, Morris, Somerset, Warren | 40 min |
| Jan 8, 4:24 PM EST | Special Weather Statement | PHI | Warren | 36 min |
| Jan 8, 6:10 PM EST | Small Craft Advisory | PHI | 13 hr |
Nearby
Snow Squall Warnings in New Jersey, 2020Every snow squall warning in 2020
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.