Alert archive / New Jersey / Special Weather Statements in 2021
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Oct 29, 2021, 9:52 PM EDT for Sussex County, New Jersey. It was in force for 23 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
- Oct 29, 2021, 9:52 PM EDT (01:52 UTC)
- Expired
- Oct 29, 2021, 10:15 PM EDT
- In force
- 23 min
- Issued by
- NWS Philadelphia/Mount Holly
- Hail
- 0.00 in
- Wind
- 40
County Sussex County, NJ
The radar
The Philadelphia radar (KDIX), 128 km from the middle of the area, began a volume at 01:52 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, 1.9 hours before the alert went out and 142 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
- 809 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 209 m²/s²
- 0-3 km storm-relative helicity
- 420 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
923
WWUS81 KPHI 300152
SPSPHI
Special Weather Statement
National Weather Service Mount Holly NJ
952 PM EDT Fri Oct 29 2021
NJZ001-008-300215-
Morris NJ-Sussex NJ-
952 PM EDT Fri Oct 29 2021
...Strong thunderstorms will impact portions of northeastern Morris
and Sussex Counties through 1015 PM EDT...
At 952 PM EDT, Doppler radar was tracking strong showers along a
line extending from near Flatbrookville to Caldwell. Movement was
northeast at 50 mph.
HAZARD...Wind gusts up to 45 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Newton, Montague, Hopatcong, Lincoln Park, Kinnelon, Boonton, Butler,
Franklin, Mountain Lakes, Riverdale, Hamburg, Ogdensburg, Sussex,
Branchville, High Point, Lake Mohawk, Vernon Valley, Green Pond,
Pellettown and Crandon Lakes.
This includes the following highways...
Interstate 80 in New Jersey between mile markers 45 and 48.
Interstate 287 in New Jersey between mile markers 43 and 54.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4120 7436 4110 7449 4104 7450 4105 7445
4102 7443 4103 7442 4100 7430 4090 7427
4091 7434 4083 7433 4112 7496 4118 7488
4129 7483 4135 7475 4136 7469
TIME...MOT...LOC 0152Z 223DEG 42KT 4114 7494 4085 7428
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH
$$
SFJThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 29, 8:44 PM EDT | Small Craft Advisory | PHI | 62 hr | |
| Oct 29, 8:44 PM EDT | Special Weather Statement | PHI | Morris, Sussex, Warren | 31 min |
| Oct 29, 8:51 PM EDT | Areal Flood Advisory | PHI | Burlington, Hunterdon, Mercer, Middlesex, Monmouth, Morris and 2 more | 3 hr |
| Oct 30, 3:37 AM EDT | Areal Flood Advisory | PHI | Hunterdon, Morris, Warren | 47 min |
| Oct 30, 4:25 AM EDT | Coastal Flood Advisory | PHI | Atlantic, Burlington, Cape May, Cumberland, Ocean | 41 hr |
| Oct 30, 4:41 PM EDT | Coastal Flood Advisory | PHI | Burlington, Camden, Gloucester, Mercer | 31 hr |
| Oct 29, 8:31 PM EDT | River Flood Warning | PHI | New Castle | 4 hr |
Nearby
Special Weather Statements in New Jersey, 2021Every special weather statement in 2021
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.