Alert archive / New Jersey / Snow Squall Warnings in 2024
Snow Squall Warning 29, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this snow squall warning at Feb 17, 2024, 5:17 PM EST for Hunterdon County, Morris County, Somerset County, New Jersey. It was in force for 28 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
- Feb 17, 2024, 5:17 PM EST (22:17 UTC)
- Expired
- Feb 17, 2024, 5:45 PM EST
- In force
- 28 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Hunterdon County, NJ, Morris County, NJ, Somerset County, NJ
The radar
The Philadelphia radar (KDIX), 79 km from the middle of the area, began a volume at 22:14 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, 10.3 hours before the alert went out and 164 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
- 650 m above ground
- 0-6 km bulk shear
- 86 kt
- 0-1 km storm-relative helicity
- 225 m²/s²
- 0-3 km storm-relative helicity
- 248 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
287
WWUS51 KPHI 172217
SQWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Snow Squall Warning
National Weather Service Mount Holly NJ
517 PM EST Sat Feb 17 2024
NJC019-027-035-172245-
/O.NEW.KPHI.SQ.W.0029.240217T2217Z-240217T2245Z/
Hunterdon NJ-Morris NJ-Somerset NJ-
517 PM EST Sat Feb 17 2024
The National Weather Service in Mount Holly NJ has issued a
* Snow Squall Warning for...
Northeastern Hunterdon County in northwestern New Jersey...
Southwestern Morris County in northern New Jersey...
Somerset County in northern New Jersey...
* Until 545 PM EST.
* At 516 PM EST, a dangerous snow squall was located over Annandale,
or 14 miles northwest of Somerville, moving southeast at 30 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...
Interstate 78 in New Jersey between mile markers 10 and 37.
Interstate 287 in New Jersey between mile markers 11 and 26.
Locations impacted include...
Somerville, Bridgewater, Middlesex, Bound Brook, Manville,
Flemington, High Bridge, Clinton, Peapack And Gladstone, Glen
Gardner, Hampton, Lebanon, Califon, Far Hills, Rocky Hill, Millstone,
Flagtown, Belle Mead, Martinsville, and Cloverhill.
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.
Consider avoiding or delaying travel until the snow squall passes
your location. If you must travel, use extra caution and allow extra
time. Rapid changes in visibility and slick road conditions may lead
to accidents.
&&
LAT...LON 4063 7507 4077 7485 4068 7453 4052 7452
4039 7464
TIME...MOT...LOC 2216Z 299DEG 25KT 4065 7486
SNOW SQUALL...OBSERVED
$$
MJL1 follow-up statement
992
WWUS51 KPHI 172241
SQWPHI
Snow Squall Warning
National Weather Service Mount Holly NJ
541 PM EST Sat Feb 17 2024
NJC019-027-035-172251-
/O.EXP.KPHI.SQ.W.0029.000000T0000Z-240217T2245Z/
Hunterdon NJ-Morris NJ-Somerset NJ-
541 PM EST Sat Feb 17 2024
...THE SNOW SQUALL WARNING FOR NORTHEASTERN HUNTERDON...SOUTHWESTERN
MORRIS AND SOMERSET COUNTIES WILL EXPIRE AT 545 PM EST...
The snow squall that prompted the warning has weakened. Therefore,
the snow squall warning will be allowed to expire.
LAT...LON 4063 7507 4077 7485 4068 7453 4052 7452
4039 7464
TIME...MOT...LOC 2241Z 299DEG 25KT 4061 7476
$$
MJLThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 17, 12:46 AM EST | Special Weather Statement | PHI | Hunterdon, Somerset | 59 min |
| Feb 17, 1:09 AM EST | Special Weather Statement | PHI | Middlesex | 66 min |
| Feb 17, 2:02 AM EST | Special Weather Statement | PHI | Hunterdon, Middlesex, Somerset | 58 min |
| Feb 17, 2:17 PM EST | Snow Squall Warning | PHI | Sussex, Warren | 28 min |
| Feb 17, 2:24 PM EST | Snow Squall Warning | PHI | Sussex, Warren | 21 min |
| Feb 17, 2:42 PM EST | Snow Squall Warning | PHI | Warren | 33 min |
| Feb 17, 2:48 PM EST | Snow Squall Warning | PHI | Hunterdon, Morris, Sussex, Warren | 27 min |
| Feb 17, 3:17 PM EST | Snow Squall Warning | PHI | Hunterdon, Morris, Warren | 43 min |
| Feb 17, 3:28 PM EST | Snow Squall Warning | PHI | Hunterdon | 47 min |
| Feb 17, 4:09 PM EST | Snow Squall Warning | PHI | Warren | 36 min |
| Feb 17, 4:14 PM EST | Snow Squall Warning | PHI | Hunterdon | 21 min |
| Feb 17, 4:44 PM EST | Snow Squall Warning | PHI | Warren | 46 min |
| Feb 17, 5:01 PM EST | Snow Squall Warning | PHI | Hunterdon, Morris, Warren | 29 min |
| Feb 17, 5:27 PM EST | Snow Squall Warning | PHI | Hunterdon, Warren | 48 min |
Nearby
Snow Squall Warnings in New Jersey, 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.