Alert archive / New Jersey / Winter Weather Advisories in 2024
Winter Weather Advisory 6, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this winter weather advisory at Feb 12, 2024, 4:15 AM EST for 8 counties in New Jersey; 5 counties in Pennsylvania; New Castle County, Delaware. It took effect at Feb 13, 2024, 3:00 AM EST. It was in force for 11 hr.
The area
The counties it named.
The facts
- Issued
- Feb 12, 2024, 4:15 AM EST (09:15 UTC)
- In effect from
- Feb 13, 2024, 3:00 AM EST
- Expired
- Feb 13, 2024, 1:32 PM EST
- In force
- 11 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties New Castle County, DE, Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ, Salem County, NJ, Bucks County, PA, Chester County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 51 km from the middle of the area, began a volume at 09:20 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 00:00Z, 9.3 hours before the alert went out and 205 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
- 1228 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- -29 m²/s²
- 0-3 km storm-relative helicity
- -14 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter weather advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Philadelphia/Mount Holly wrote its last area forecast discussion before this winter weather advisory went out at Feb 12, 1:08 AM EST, 3 hours 7 minutes earlier.
Area forecast discussion, Feb 12, 1:08 AM EST, 3 hours 7 minutes before
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</html>The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 12, 3:52 AM EST | Wind Advisory | PHI | Atlantic, Cape May, Monmouth, Ocean | 34 hr |
Nearby
Winter Weather Advisories in New Jersey, 2024Winter Weather Advisories in Pennsylvania, 2024Winter Weather Advisories in Delaware, 2024Every winter weather advisory 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.