Alert archive / New Jersey / Special Weather Statements in 2020
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Aug 2, 2020, 6:29 PM EDT for Warren County, New Jersey; Northampton County, Pennsylvania. It was in force for 31 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
- Aug 2, 2020, 6:29 PM EDT (22:29 UTC)
- Expired
- Aug 2, 2020, 7:00 PM EDT
- In force
- 31 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Warren County, NJ, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 119 km from the middle of the area, began a volume at 22:33 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, 10.5 hours before the alert went out and 198 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
- 940 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 129 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted.
205
WWUS81 KPHI 022229
SPSPHI
Special Weather Statement
National Weather Service Mount Holly NJ
629 PM EDT Sun Aug 2 2020
NJZ001-007>009-PAZ055-061-062-105-022300-
Morris-Hunterdon-Sussex-Warren-Upper Bucks-Lehigh-Monroe-Northampton-
629 PM EDT Sun Aug 2 2020
...A STRONG THUNDERSTORM WILL AFFECT WEST CENTRAL MORRIS...
NORTHWESTERN HUNTERDON...SOUTHWESTERN SUSSEX...WARREN...NORTHEASTERN
LEHIGH...SOUTHEASTERN MONROE AND NORTHAMPTON COUNTIES...
At 629 PM EDT, a strong thunderstorm was located over Wind Gap, or 10
miles northwest of Easton, moving northeast at 40 mph.
Wind gusts up to 40 mph are possible with this storm.
Locations impacted include...
Allentown, Easton, Bethlehem, Forks, Northampton, East Stroudsburg,
Hackettstown, Wilson, Washington, Blairstown, Hellertown, Nazareth,
Bangor, Pen Argyl, Wind Gap, Bath, Belvidere, Harmony, Oxford and
Alpha.
This includes the following highways...
Northeast Extension between mile markers 56 and 58.
Interstate 78 in Pennsylvania between mile markers 53 and 55, and
between mile markers 64 and 76.
Interstate 78 in New Jersey between mile markers 0 and 13.
Interstate 80 in Pennsylvania between mile markers 308 and 314.
Interstate 80 in New Jersey between mile markers 0 and 24.
Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.
LAT...LON 4087 7470 4057 7505 4057 7559 4081 7552
4082 7548 4086 7550 4092 7548 4109 7491
TIME...MOT...LOC 2229Z 246DEG 36KT 4082 7532
$$
NCThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 7:34 AM EDT | Areal Flood Advisory | PHI | Hunterdon, Warren | 3 hr |
| Aug 2, 8:06 AM EDT | Special Weather Statement | PHI | Hunterdon | 24 min |
| Aug 2, 8:31 AM EDT | Special Weather Statement | PHI | Hunterdon | 29 min |
| Aug 2, 8:46 AM EDT | Areal Flood Advisory | PHI | Hunterdon, Morris, Somerset, Sussex, Warren | 3 hr |
| Aug 2, 3:33 PM EDT | Flash Flood Watch | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more | 48 hr |
| Aug 2, 5:04 PM EDT | Tropical Storm Watch | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 8 more | 18 hr |
| Aug 2, 5:14 PM EDT | Special Weather Statement | PHI | Warren | 31 min |
| Aug 2, 3:32 AM EDT | Areal Flood Advisory | PHI | Berks | 4 hr |
| Aug 2, 4:42 AM EDT | Flash Flood Warning | PHI | Berks | 4 hr |
| Aug 2, 6:30 AM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 45 min |
| Aug 2, 6:37 AM EDT | Tornado Warning | PHI | Berks, Lehigh | 23 min |
| Aug 2, 6:56 AM EDT | Tornado Warning | PHI | Berks, Lehigh | 34 min |
| Aug 2, 7:13 AM EDT | Areal Flood Advisory | PHI | Berks, Lehigh, Northampton | 3 hr |
| Aug 2, 7:29 AM EDT | Special Weather Statement | PHI | Lehigh | 31 min |
| Aug 2, 7:39 AM EDT | Tornado Warning | PHI | Bucks, Lehigh, Northampton | 36 min |
| Aug 2, 7:49 AM EDT | Areal Flood Advisory | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 84 min |
| Aug 2, 7:54 AM EDT | Special Weather Statement | PHI | Lehigh | 36 min |
| Aug 2, 8:24 AM EDT | Special Weather Statement | PHI | Lehigh | 36 min |
| Aug 2, 8:28 AM EDT | Areal Flood Warning | PHI | Berks | 3 hr |
| Aug 2, 5:51 PM EDT | Special Weather Statement | PHI | Lehigh, Northampton | 39 min |
| Aug 2, 4:25 PM EDT | Coastal Flood Watch | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 24 hr |
Nearby
Special Weather Statements in New Jersey, 2020Special Weather Statements in Pennsylvania, 2020Every special weather statement in 2020
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.