Alert archive / New Jersey / High Wind Watches in 2020
High Wind Watch 1, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this high wind watch at Apr 11, 2020, 3:32 PM EDT for 4 states. It took effect at Apr 13, 2020, 6:00 AM EDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Apr 11, 2020, 3:32 PM EDT (19:32 UTC)
- In effect from
- Apr 13, 2020, 6:00 AM EDT
- Expired
- Apr 12, 2020, 12:25 PM EDT
- In force
- Issued by
- NWS Philadelphia/Mount Holly
All 27 counties
Kent County, DE, New Castle County, DE, Sussex County, DE, Caroline County, MD, Cecil County, MD, Kent County, MD, Queen Anne's County, MD, Talbot County, MD, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cape May County, NJ, Cumberland County, NJ, Gloucester County, NJ, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Morris County, NJ, Ocean County, NJ, Salem County, NJ, Somerset County, NJ, Bucks County, PA, Chester County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 69 km from the middle of the area, began a volume at 19:37 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, 7.5 hours before the alert went out and 202 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
- 1525 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 111 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
210 WWUS71 KPHI 111932 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 332 PM EDT Sat Apr 11 2020 DEZ001-MDZ008-012-015-019-020-NJZ008>010-012-015>019-PAZ070-071- 101>106-121000- /O.NEW.KPHI.HW.A.0001.200413T1000Z-200413T2300Z/ New Castle-Cecil-Kent MD-Queen Annes-Talbot-Caroline-Morris- Hunterdon-Somerset-Middlesex-Mercer-Salem-Gloucester-Camden- Northwestern Burlington-Delaware-Philadelphia-Western Chester- Eastern Chester-Western Montgomery-Eastern Montgomery-Upper Bucks- Lower Bucks- Including the cities of Wilmington, Elkton, Chestertown, Centreville, Easton, Denton, Morristown, Flemington, Somerville, New Brunswick, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 332 PM EDT Sat Apr 11 2020 ...HIGH WIND WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING... * WHAT...South winds 20 to 30 mph with gusts of 55 to 60 mph possible. * WHERE...Portions of central, northern, northwest and southern New Jersey, southeast Pennsylvania, northeast Maryland and northern Delaware. * WHEN...From Monday morning through Monday evening. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Thunderstorms are possible on Monday that could result in even stronger wind gusts. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ DEZ002>004-NJZ013-014-020>027-121000- /O.NEW.KPHI.HW.A.0001.200413T1000Z-200413T2300Z/ Kent-Inland Sussex-Delaware Beaches-Western Monmouth- Eastern Monmouth-Ocean-Cumberland-Atlantic-Cape May- Atlantic Coastal Cape May-Coastal Atlantic-Coastal Ocean- Southeastern Burlington- Including the cities of Dover, Georgetown, Rehoboth Beach, Freehold, Sandy Hook, Jackson, Millville, Hammonton, Cape May Court House, Ocean City, Atlantic City, Long Beach Island, and Wharton State Forest 332 PM EDT Sat Apr 11 2020 ...HIGH WIND WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING... * WHAT...South winds 25 to 35 mph with gusts of 60 to 65 mph possible. * WHERE...Portions of central and southern New Jersey and central and southern Delaware. * WHEN...From Monday morning through Monday evening. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Thunderstorms are possible on Monday that could result in even stronger wind gusts. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ MPS
2 follow-up statements
024 WWUS71 KPHI 120740 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 340 AM EDT Sun Apr 12 2020 DEZ001-MDZ008-012-015-019-020-NJZ008>010-012-015>019-PAZ070-071- 101>106-122200- /O.CON.KPHI.HW.A.0001.200413T1000Z-200413T2300Z/ New Castle-Cecil-Kent MD-Queen Annes-Talbot-Caroline-Morris- Hunterdon-Somerset-Middlesex-Mercer-Salem-Gloucester-Camden- Northwestern Burlington-Delaware-Philadelphia-Western Chester- Eastern Chester-Western Montgomery-Eastern Montgomery-Upper Bucks- Lower Bucks- Including the cities of Wilmington, Elkton, Chestertown, Centreville, Easton, Denton, Morristown, Flemington, Somerville, New Brunswick, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 340 AM EDT Sun Apr 12 2020 ...HIGH WIND WATCH REMAINS IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING... * WHAT...South winds 20 to 30 mph with gusts of 55 to 60 mph possible. * WHERE...Portions of central, northern, northwest and southern New Jersey, southeast Pennsylvania, northeast Maryland and northern Delaware. * WHEN...From Monday morning through Monday evening. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Thunderstorms are possible on Monday that could result in even stronger wind gusts. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ DEZ002>004-NJZ013-014-020>027-122200- /O.CON.KPHI.HW.A.0001.200413T1000Z-200413T2300Z/ Kent-Inland Sussex-Delaware Beaches-Western Monmouth- Eastern Monmouth-Ocean-Cumberland-Atlantic-Cape May- Atlantic Coastal Cape May-Coastal Atlantic-Coastal Ocean- Southeastern Burlington- Including the cities of Dover, Georgetown, Rehoboth Beach, Freehold, Sandy Hook, Jackson, Millville, Hammonton, Cape May Court House, Ocean City, Atlantic City, Long Beach Island, and Wharton State Forest 340 AM EDT Sun Apr 12 2020 ...HIGH WIND WATCH REMAINS IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING... * WHAT...South winds 25 to 35 mph with gusts of 60 to 65 mph possible. * WHERE...Portions of central and southern New Jersey and central and southern Delaware. * WHEN...From Monday morning through Monday evening. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Thunderstorms are possible on Monday that could result in even stronger wind gusts. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$
670 WWUS71 KPHI 121625 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 1225 PM EDT Sun Apr 12 2020 DEZ004-NJZ013-014-020-022>027-130600- /O.UPG.KPHI.HW.A.0001.200413T1000Z-200413T2300Z/ /O.NEW.KPHI.HW.W.0002.200413T1000Z-200413T2300Z/ Delaware Beaches-Western Monmouth-Eastern Monmouth-Ocean-Atlantic- Cape May-Atlantic Coastal Cape May-Coastal Atlantic-Coastal Ocean- Southeastern Burlington- Including the cities of Rehoboth Beach, Freehold, Sandy Hook, Jackson, Hammonton, Cape May Court House, Ocean City, Atlantic City, Long Beach Island, and Wharton State Forest 1225 PM EDT Sun Apr 12 2020 ...HIGH WIND WARNING IN EFFECT FROM 6 AM TO 7 PM EDT MONDAY... * WHAT...South winds 30 to 40 mph with 60 to 70 mph gusts expected. * WHERE...In New Jersey, Western Monmouth, Eastern Monmouth, Ocean, Atlantic, Cape May, Atlantic Coastal Cape May, Coastal Atlantic, Coastal Ocean and Southeastern Burlington. In Delaware, Delaware Beaches. * WHEN...From 6 AM to 7 PM EDT Monday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Thunderstorms are possible on Monday that could result in even stronger wind gusts. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ DEZ001>003-MDZ012-015-019-020-NJZ012-015>019-021-PAZ070-071-104- 106-130600- /O.UPG.KPHI.HW.A.0001.200413T1000Z-200413T2300Z/ /O.NEW.KPHI.HW.W.0002.200413T1000Z-200413T2300Z/ New Castle-Kent-Inland Sussex-Kent MD-Queen Annes-Talbot-Caroline- Middlesex-Mercer-Salem-Gloucester-Camden-Northwestern Burlington- Cumberland-Delaware-Philadelphia-Eastern Montgomery-Lower Bucks- Including the cities of Wilmington, Dover, Georgetown, Chestertown, Centreville, Easton, Denton, New Brunswick, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Millville, Media, Philadelphia, Norristown, Lansdale, Morrisville, and Doylestown 1225 PM EDT Sun Apr 12 2020 ...HIGH WIND WARNING IN EFFECT FROM 6 AM TO 7 PM EDT MONDAY... * WHAT...South winds 25 to 35 mph with 50 to 60 mph gusts expected. * WHERE...Portions of central, northern and southern New Jersey, southeast Pennsylvania, northeast Maryland and central, northern and southern Delaware. * WHEN...From 6 AM to 7 PM EDT Monday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Thunderstorms are possible on Monday that could result in even stronger wind gusts. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ MDZ008-NJZ008>010-PAZ101>103-105-130600- /O.UPG.KPHI.HW.A.0001.200413T1000Z-200413T2300Z/ /O.NEW.KPHI.WI.Y.0009.200413T1000Z-200413T2300Z/ Cecil-Morris-Hunterdon-Somerset-Western Chester-Eastern Chester- Western Montgomery-Upper Bucks- Including the cities of Elkton, Morristown, Flemington, Somerville, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Chalfont, and Perkasie 1225 PM EDT Sun Apr 12 2020 ...WIND ADVISORY IN EFFECT FROM 6 AM TO 7 PM EDT MONDAY... * WHAT...South winds 20 to 30 mph with gusts up to 55 mph expected. * WHERE...In New Jersey, Morris, Hunterdon and Somerset. In Pennsylvania, Western Chester, Eastern Chester, Western Montgomery and Upper Bucks. In Maryland, Cecil. * WHEN...From 6 AM to 7 PM EDT Monday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Thunderstorms are possible on Monday that could result in even stronger wind gusts. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ NJZ001-007-PAZ054-055-060>062-130600- /O.NEW.KPHI.WI.Y.0009.200413T1000Z-200413T2300Z/ Sussex-Warren-Carbon-Monroe-Berks-Lehigh-Northampton- Including the cities of Newton, Washington, Jim Thorpe, Stroudsburg, Reading, Allentown, Bethlehem, and Easton 1225 PM EDT Sun Apr 12 2020 ...WIND ADVISORY IN EFFECT FROM 6 AM TO 7 PM EDT MONDAY... * WHAT...South winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...In New Jersey, Sussex and Warren. In Pennsylvania, Carbon, Monroe, Berks, Lehigh and Northampton. * WHEN...From 6 AM to 7 PM EDT Monday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Thunderstorms are possible on Monday that could result in even stronger wind gusts. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ MPS
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 11, 1:35 AM EDT | Small Craft Advisory | PHI | 17 hr | |
| Apr 11, 4:01 AM EDT | Red Flag Warning | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more | 15 hr |
| Apr 11, 3:30 PM EDT | Storm Watch | PHI | 21 hr |
Nearby
High Wind Watches in New Jersey, 2020High Wind Watches in Pennsylvania, 2020High Wind Watches in Maryland, 2020Every high wind watch 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.