Alert archive / New Jersey / Wind Advisories in 2020
Wind Advisory 16, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this wind advisory at Dec 4, 2020, 3:20 PM EST for 4 counties in New Jersey; Sussex County, Delaware. It took effect at Dec 5, 2020, 6:00 AM EST. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Dec 4, 2020, 3:20 PM EST (20:20 UTC)
- In effect from
- Dec 5, 2020, 6:00 AM EST
- Expired
- Dec 5, 2020, 3:08 PM EST
- In force
- 9 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties Sussex County, DE, Atlantic County, NJ, Cape May County, NJ, Monmouth County, NJ, Ocean County, NJ
The radar
The Philadelphia radar (KDIX), 56 km from the middle of the area, began a volume at 20:20 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
Wallops Is Stn, VA (KWAL), launched 12:00Z, 8.3 hours before the alert went out and 184 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
- 2367 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- 193 m²/s²
- 0-3 km storm-relative helicity
- 221 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
667 WWUS71 KPHI 042020 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 320 PM EST Fri Dec 4 2020 DEZ004-NJZ014-024>026-050930- /O.NEW.KPHI.WI.Y.0016.201205T1100Z-201205T2300Z/ Delaware Beaches-Eastern Monmouth-Atlantic Coastal Cape May- Coastal Atlantic-Coastal Ocean- Including the cities of Rehoboth Beach, Sandy Hook, Ocean City, Atlantic City, and Long Beach Island 320 PM EST Fri Dec 4 2020 ...WIND ADVISORY IN EFFECT FROM 6 AM TO 6 PM EST SATURDAY... * WHAT...Northwest winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...In New Jersey, Eastern Monmouth, Atlantic Coastal Cape May, Coastal Atlantic and Coastal Ocean. In Delaware, Delaware Beaches. * WHEN...From 6 AM to 6 PM EST Saturday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Davis
2 follow-up statements
351 WWUS71 KPHI 050732 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 232 AM EST Sat Dec 5 2020 DEZ004-NJZ014-024>026-052045- /O.CON.KPHI.WI.Y.0016.201205T1100Z-201205T2300Z/ Delaware Beaches-Eastern Monmouth-Atlantic Coastal Cape May- Coastal Atlantic-Coastal Ocean- Including the cities of Rehoboth Beach, Sandy Hook, Ocean City, Atlantic City, and Long Beach Island 232 AM EST Sat Dec 5 2020 ...WIND ADVISORY REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 6 PM EST THIS EVENING... * WHAT...Northwest winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...In New Jersey, Coastal Ocean, Atlantic Coastal Cape May, Eastern Monmouth and Coastal Atlantic. In Delaware, Delaware Beaches. * WHEN...From 6 AM this morning to 6 PM EST this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Fitzsimmons
582 WWUS71 KPHI 052008 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 308 PM EST Sat Dec 5 2020 DEZ004-NJZ014-024>026-052115- /O.CAN.KPHI.WI.Y.0016.000000T0000Z-201205T2300Z/ Delaware Beaches-Eastern Monmouth-Atlantic Coastal Cape May- Coastal Atlantic-Coastal Ocean- Including the cities of Rehoboth Beach, Sandy Hook, Ocean City, Atlantic City, and Long Beach Island 308 PM EST Sat Dec 5 2020 ...WIND ADVISORY IS CANCELLED... Winds have diminished below advisory criteria, however gusty northwesterly winds with gusts up to 40 mph will continue through this evening. $$ Staarmann
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 3, 11:53 PM EST | Small Craft Advisory | PHI | 21 hr | |
| Dec 4, 2:50 AM EST | Gale Warning | PHI | 40 hr |
Nearby
Wind Advisories in New Jersey, 2020Wind Advisories in Delaware, 2020Every wind advisory 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.