Alert archive / New Jersey / Special Weather Statements in 2019
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Dec 18, 2019, 3:29 PM EST for Hunterdon County, Somerset County, Warren County, New Jersey; Northampton County, Pennsylvania. 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
- Dec 18, 2019, 3:29 PM EST (20:29 UTC)
- Expired
- Dec 18, 2019, 4:15 PM EST
- In force
- 46 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Hunterdon County, NJ, Somerset County, NJ, Warren County, NJ, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 105 km from the middle of the area, began a volume at 20:30 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, 8.5 hours before the alert went out and 185 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
- 868 m above ground
- 0-6 km bulk shear
- 119 kt
- 0-1 km storm-relative helicity
- -352 m²/s²
- 0-3 km storm-relative helicity
- -46 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Dec 18, 11:46 AM EST, 3 hours 43 minutes earlier.
Area forecast discussion, Dec 18, 11:46 AM EST, 3 hours 43 minutes before
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</html>Hazardous weather outlook, Dec 18, 3:29 AM EST, 12 hours before
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</html>In the hours before
Special weather statement, Dec 18, 2:44 PM EST, 45 minutes before
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</html>Special weather statement, Dec 18, 3:29 PM EST, 0 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 |
|---|---|---|---|---|
| Dec 18, 1:29 PM EST | Snow Squall Warning | PHI | Sussex, Warren | 61 min |
| Dec 18, 2:23 PM EST | Snow Squall Warning | PHI | Morris, Sussex, Warren | 67 min |
| Dec 18, 2:44 PM EST | Special Weather Statement | PHI | Camden, Gloucester | 46 min |
| Dec 18, 3:02 PM EST | Snow Squall Warning | PHI | Middlesex, Monmouth, Morris, Somerset | 43 min |
| Dec 18, 3:44 PM EST | Special Weather Statement | PHI | Hunterdon, Morris, Somerset, Warren | 46 min |
| Dec 18, 4:09 PM EST | Snow Squall Warning | PHI | Hunterdon, Mercer, Middlesex, Morris, Somerset, Warren | 36 min |
| Dec 18, 4:44 PM EST | Special Weather Statement | PHI | Hunterdon, Mercer, Middlesex, Monmouth, Somerset | 61 min |
| Dec 18, 5:12 PM EST | Special Weather Statement | PHI | Burlington, Camden, Ocean | 93 min |
Nearby
Special Weather Statements in New Jersey, 2019Special Weather Statements in Pennsylvania, 2019Every special weather statement in 2019
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.