Alert archive / New Jersey / Snow Squall Warnings in 2024
Snow Squall Warning 6, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this snow squall warning at Jan 14, 2024, 11:44 AM EST for 8 counties in New Jersey; Bucks County, Pennsylvania. It was in force for 61 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 14, 2024, 11:44 AM EST (16:44 UTC)
- Expired
- Jan 14, 2024, 12:45 PM EST
- In force
- 61 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Morris County, NJ, Somerset County, NJ, Sussex County, NJ, Warren County, NJ, Bucks County, PA
The radar
The Philadelphia radar (KDIX), 87 km from the middle of the area, began a volume at 16:44 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
Brookhaven, NY (KOKX), launched 12:00Z, 4.7 hours before the alert went out and 135 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
- 1372 m above ground
- 0-6 km bulk shear
- 84 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 10 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
896
WWUS51 KPHI 141644
SQWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Snow Squall Warning
National Weather Service Mount Holly NJ
1144 AM EST Sun Jan 14 2024
NJC019-021-023-025-027-035-037-041-PAC017-141745-
/O.NEW.KPHI.SQ.W.0006.240114T1644Z-240114T1745Z/
Hunterdon NJ-Morris NJ-Sussex NJ-Warren NJ-Mercer NJ-Somerset NJ-
Monmouth NJ-Middlesex NJ-Bucks PA-
1144 AM EST Sun Jan 14 2024
The National Weather Service in Mount Holly NJ has issued a
* Snow Squall Warning for...
Hunterdon County in northwestern New Jersey...
Morris County in northern New Jersey...
Southeastern Sussex County in northwestern New Jersey...
Central Warren County in northwestern New Jersey...
Northern Mercer County in central New Jersey...
Somerset County in northern New Jersey...
Central Monmouth County in central New Jersey...
Middlesex County in northern New Jersey...
North central Bucks County in southeastern Pennsylvania...
* Until 1245 PM EST.
* At 1143 AM EST, a dangerous snow squall was located along a line
extending from near Succasunna to Sand Brook, moving east at 40
mph.
HAZARD...Intense bursts of heavy snow and gusty winds leading to
blowing snow and rapidly falling visibility. Wind gusts
up to 35 mph.
SOURCE...Radar and webcams.
IMPACT...Travel will become difficult and potentially dangerous
within minutes.
This includes the following highways...
New Jersey Turnpike between exits 8A and 13.
Interstate 78 in New Jersey between mile markers 4 and 42.
Interstate 80 in New Jersey between mile markers 15 and 47.
Interstate 287 in New Jersey between mile markers 0 and 54.
Garden State Parkway between mile markers 120 and 134.
Locations impacted include...
New Brunswick, Perth Amboy, Morristown, Somerville, Newton, Somerset,
Edison, Old Bridge, East Brunswick, Bridgewater, South Brunswick,
Sayreville, North Brunswick, Carteret, Dover, Madison, Hopatcong,
Middlesex, Princeton, and Florham Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow Down! Rapid changes in visibility and road conditions are
expected with this dangerous snow squall. Be alert for sudden
whiteout conditions.
&&
LAT...LON 4023 7443 4040 7519 4067 7514 4109 7477
4112 7446 4104 7450 4105 7445 4102 7443
4100 7430 4091 7427 4090 7427 4091 7434
4075 7436 4067 7446 4065 7440 4060 7446
4060 7421 4056 7421 4050 7428 4044 7420
TIME...MOT...LOC 1643Z 271DEG 35KT 4081 7463 4047 7494
SNOW SQUALL...OBSERVED
$$
Staarmann1 follow-up statement
667
WWUS51 KPHI 141711
SQWPHI
Snow Squall Warning
National Weather Service Mount Holly NJ
1211 PM EST Sun Jan 14 2024
NJC037-041-141721-
/O.CAN.KPHI.SQ.W.0006.000000T0000Z-240114T1745Z/
Sussex NJ-Warren NJ-
1211 PM EST Sun Jan 14 2024
...THE SNOW SQUALL WARNING FOR SOUTHEASTERN SUSSEX AND CENTRAL WARREN
COUNTIES IS CANCELLED...
The snow squall that prompted the warning has moved out of the
warned area. Therefore, the snow squall warning has been cancelled.
LAT...LON 4023 7443 4040 7519 4108 7450 4104 7450
4105 7445 4102 7443 4100 7430 4090 7427
4091 7434 4075 7436 4067 7446 4065 7441
4060 7446 4060 7421 4056 7421 4055 7425
4050 7428 4043 7420
TIME...MOT...LOC 1711Z 271DEG 31KT 4081 7438 4042 7492
$$
NJC019-021-023-025-027-035-PAC017-141745-
/O.CON.KPHI.SQ.W.0006.000000T0000Z-240114T1745Z/
Hunterdon NJ-Morris NJ-Mercer NJ-Somerset NJ-Monmouth NJ-
Middlesex NJ-Bucks PA-
1211 PM EST Sun Jan 14 2024
...A SNOW SQUALL WARNING REMAINS IN EFFECT UNTIL 1245 PM EST FOR
HUNTERDON...MORRIS...NORTHERN MERCER...SOMERSET...CENTRAL MONMOUTH...
MIDDLESEX AND NORTH CENTRAL BUCKS COUNTIES...
At 1211 PM EST, a dangerous snow squall was located along a line
extending from East Hanover to near Sergeantsville, moving east at 35
mph.
HAZARD...Intense bursts of heavy snow. Gusty winds leading to
blowing snow and rapidly falling visibility. Wind gusts up
to 35 mph.
SOURCE...Radar and webcams.
IMPACT...Travel will become difficult and potentially dangerous
within minutes.
This includes the following highways...
New Jersey Turnpike between exits 8A and 13.
Interstate 78 in New Jersey between mile markers 15 and 42.
Interstate 80 in New Jersey between mile markers 28 and 47.
Interstate 287 in New Jersey between mile markers 0 and 54.
Garden State Parkway between mile markers 119 and 134.
Locations impacted include...
New Brunswick, Perth Amboy, Morristown, Somerville, Somerset, Edison,
Old Bridge, East Brunswick, Bridgewater, South Brunswick, Sayreville,
North Brunswick, Carteret, Dover, Madison, Hopatcong, Middlesex,
Princeton, Florham Park, and East Hanover.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow Down! Rapid changes in visibility and road conditions are
expected with this dangerous snow squall. Be alert for sudden
whiteout conditions.
&&
LAT...LON 4023 7443 4040 7519 4108 7450 4104 7450
4105 7445 4102 7443 4100 7430 4090 7427
4091 7434 4075 7436 4067 7446 4065 7441
4060 7446 4060 7421 4056 7421 4055 7425
4050 7428 4043 7420
TIME...MOT...LOC 1711Z 271DEG 31KT 4081 7438 4042 7492
SNOW SQUALL...OBSERVED
$$
StaarmannThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 14, 2:48 AM EST | Wind Advisory | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more | 15 hr |
| Jan 14, 11:07 AM EST | Snow Squall Warning | PHI | Hunterdon, Warren | 38 min |
| Jan 14, 12:17 PM EST | Snow Squall Warning | PHI | Mercer | 28 min |
| Jan 14, 12:24 PM EST | Snow Squall Warning | PHI | Sussex, Warren | 28 min |
| Jan 14, 1:31 PM EST | Snow Squall Warning | PHI | Middlesex, Monmouth, Ocean | 29 min |
| Jan 14, 10:28 AM EST | Snow Squall Warning | PHI | Carbon, Monroe | 62 min |
| Jan 14, 10:43 AM EST | Snow Squall Warning | PHI | Berks | 47 min |
| Jan 14, 11:30 AM EST | Snow Squall Warning | PHI | Carbon, Monroe | 60 min |
| Jan 14, 11:42 AM EST | Snow Squall Warning | PHI | Berks, Chester, Montgomery | 48 min |
| Jan 14, 11:57 AM EST | Snow Squall Warning | PHI | Chester | 48 min |
| Jan 14, 12:28 PM EST | Snow Squall Warning | PHI | Chester | 20 min |
Nearby
Snow Squall Warnings in New Jersey, 2024Snow Squall Warnings in Pennsylvania, 2024Every snow squall warning in 2024
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.