Alert archive / New Jersey / Wind Advisories in 2021
Wind Advisory 4, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this wind advisory at Mar 13, 2021, 2:44 PM EST for 16 counties in New Jersey; 10 counties in Pennsylvania; New Castle County, Delaware. It took effect at Mar 14, 2021, 12:00 PM EDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Mar 13, 2021, 2:44 PM EST (19:44 UTC)
- In effect from
- Mar 14, 2021, 12:00 PM EDT
- Expired
- Mar 14, 2021, 7:22 PM EDT
- In force
- 7 hr
- Issued by
- NWS Philadelphia/Mount Holly
All 27 counties
New Castle County, DE, 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, Sussex County, NJ, Warren County, NJ, Berks County, PA, Bucks County, PA, Carbon County, PA, Chester County, PA, Delaware County, PA, Lehigh County, PA, Monroe County, PA, Montgomery County, PA, Northampton County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 61 km from the middle of the area, began a volume at 19:44 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, 7.7 hours before the alert went out and 199 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
- 1877 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- -178 m²/s²
- 0-3 km storm-relative helicity
- -146 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
846 WWUS71 KPHI 131944 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 244 PM EST Sat Mar 13 2021 NJZ001-008-010-012>014-140800- /O.NEW.KPHI.WI.Y.0004.210314T1500Z-210315T0400Z/ Sussex-Morris-Somerset-Middlesex-Western Monmouth- Eastern Monmouth- Including the cities of Newton, Morristown, Somerville, New Brunswick, Freehold, and Sandy Hook 244 PM EST Sat Mar 13 2021 ...WIND ADVISORY IN EFFECT FROM 11 AM SUNDAY TO MIDNIGHT EDT SUNDAY NIGHT... * WHAT...Northwest winds 20 to 30 mph with gusts up to 40 mph expected. * WHERE...Sussex, Morris, Somerset, Middlesex, Western Monmouth and Eastern Monmouth. * WHEN...From 11 AM Sunday to midnight EDT Sunday night. * 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. && $$ Davis
5 follow-up statements
423 WWUS71 KPHI 132150 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 450 PM EST Sat Mar 13 2021 PAZ054-055-141100- /O.EXA.KPHI.WI.Y.0004.210314T1500Z-210315T0400Z/ Carbon-Monroe- Including the cities of Jim Thorpe and Stroudsburg 450 PM EST Sat Mar 13 2021 ...WIND ADVISORY IN EFFECT FROM 11 AM SUNDAY TO MIDNIGHT EDT SUNDAY NIGHT... * WHAT...Northwest winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Carbon and Monroe. * WHEN...From 11 AM Sunday to midnight EDT Sunday night. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ NJZ001-008-010-012>014-141100- /O.CON.KPHI.WI.Y.0004.210314T1500Z-210315T0400Z/ Sussex-Morris-Somerset-Middlesex-Western Monmouth- Eastern Monmouth- Including the cities of Newton, Morristown, Somerville, New Brunswick, Freehold, and Sandy Hook 450 PM EST Sat Mar 13 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM SUNDAY TO MIDNIGHT EDT SUNDAY NIGHT... * WHAT...Northwest winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Morris, Sussex, Eastern Monmouth, Western Monmouth, Middlesex and Somerset. * WHEN...From 11 AM Sunday to midnight EDT Sunday night. * 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. && $$
080 WWUS71 KPHI 140658 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 158 AM EST Sun Mar 14 2021 NJZ001-008-010-012>014-PAZ054-055-142100- /O.EXT.KPHI.WI.Y.0004.210314T1600Z-210315T0400Z/ Sussex-Morris-Somerset-Middlesex-Western Monmouth- Eastern Monmouth-Carbon-Monroe- Including the cities of Newton, Morristown, Somerville, New Brunswick, Freehold, Sandy Hook, Jim Thorpe, and Stroudsburg 158 AM EST Sun Mar 14 2021 ...WIND ADVISORY NOW IN EFFECT FROM NOON TODAY TO MIDNIGHT EDT TONIGHT... * WHAT...Northwest wind 20 to 25 MPH with gusts up to 45 to 50 MPH. * WHERE...The Pennsylvania counties of Carbon and Monroe. The New Jersey counties of Sussex, Morris, Somerset, Middlesex and Monmouth. * WHEN...From noon today until midnight tonight. * IMPACTS...The gusty winds could blow around unsecured objects. Tree limbs could come down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution if driving, especially if you are in a large vehicle. Secure outdoor objects. && $$ Iovino
240 WWUS71 KPHI 141903 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 303 PM EDT Sun Mar 14 2021 DEZ001-NJZ007-009-015>027-PAZ060>062-070-071-101>106-150400- /O.EXA.KPHI.WI.Y.0004.000000T0000Z-210315T0400Z/ New Castle-Warren-Hunterdon-Mercer-Salem-Gloucester-Camden- Northwestern Burlington-Ocean-Cumberland-Atlantic-Cape May- Atlantic Coastal Cape May-Coastal Atlantic-Coastal Ocean- Southeastern Burlington-Berks-Lehigh-Northampton-Delaware- Philadelphia-Western Chester-Eastern Chester-Western Montgomery- Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Wilmington, Washington, Flemington, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Cape May Court House, Ocean City, Atlantic City, Long Beach Island, Wharton State Forest, Reading, Allentown, Bethlehem, Easton, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 303 PM EDT Sun Mar 14 2021 ...WIND ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... * WHAT...Northwest winds 15 to 25 mph with gusts up to 40 mph. * WHERE...Portions of central, northern, northwest and southern New Jersey, east central and southeast Pennsylvania and northern Delaware. * WHEN...Until midnight EDT tonight. * 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. && $$ NJZ001-008-010-012>014-PAZ054-055-150400- /O.CON.KPHI.WI.Y.0004.000000T0000Z-210315T0400Z/ Sussex-Morris-Somerset-Middlesex-Western Monmouth- Eastern Monmouth-Carbon-Monroe- Including the cities of Newton, Morristown, Somerville, New Brunswick, Freehold, Sandy Hook, Jim Thorpe, and Stroudsburg 303 PM EDT Sun Mar 14 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... * WHAT...Northwest winds 15 to 25 mph with gusts up to 45 mph. * WHERE...In New Jersey, Morris, Eastern Monmouth, Western Monmouth, Middlesex, Sussex and Somerset. In Pennsylvania, Carbon and Monroe. * WHEN...Until midnight EDT tonight. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Davis
230 WWUS71 KPHI 141911 CCA NPWPHI URGENT - WEATHER MESSAGE...CORRECTED National Weather Service Mount Holly NJ 311 PM EDT Sun Mar 14 2021 DEZ001-NJZ007-009-015>027-PAZ060>062-070-071-101>106-150400- /O.COR.KPHI.WI.Y.0004.000000T0000Z-210315T0400Z/ New Castle-Warren-Hunterdon-Mercer-Salem-Gloucester-Camden- Northwestern Burlington-Ocean-Cumberland-Atlantic-Cape May- Atlantic Coastal Cape May-Coastal Atlantic-Coastal Ocean- Southeastern Burlington-Berks-Lehigh-Northampton-Delaware- Philadelphia-Western Chester-Eastern Chester-Western Montgomery- Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Wilmington, Washington, Flemington, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Cape May Court House, Ocean City, Atlantic City, Long Beach Island, Wharton State Forest, Reading, Allentown, Bethlehem, Easton, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 311 PM EDT Sun Mar 14 2021 ...WIND ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... * WHAT...Northwest winds 15 to 25 mph with gusts up to 50 mph. * WHERE...Portions of central, northern, northwest and southern New Jersey, east central and southeast Pennsylvania and northern Delaware. * WHEN...Until midnight EDT tonight. * 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. && $$ NJZ001-008-010-012>014-PAZ054-055-150400- /O.COR.KPHI.WI.Y.0004.000000T0000Z-210315T0400Z/ Sussex-Morris-Somerset-Middlesex-Western Monmouth- Eastern Monmouth-Carbon-Monroe- Including the cities of Newton, Morristown, Somerville, New Brunswick, Freehold, Sandy Hook, Jim Thorpe, and Stroudsburg 311 PM EDT Sun Mar 14 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... * WHAT...Northwest winds 15 to 25 mph with gusts up to 50 mph. * WHERE...In New Jersey, Morris, Eastern Monmouth, Western Monmouth, Middlesex, Sussex and Somerset. In Pennsylvania, Carbon and Monroe. * WHEN...Until midnight EDT tonight. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Davis
265 WWUS71 KPHI 142322 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 722 PM EDT Sun Mar 14 2021 DEZ001-NJZ001-007>010-012>027-PAZ054-055-060>062-070-071-101>106- 150030- /O.CAN.KPHI.WI.Y.0004.000000T0000Z-210315T0400Z/ New Castle-Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex- Western Monmouth-Eastern Monmouth-Mercer-Salem-Gloucester-Camden- Northwestern Burlington-Ocean-Cumberland-Atlantic-Cape May- Atlantic Coastal Cape May-Coastal Atlantic-Coastal Ocean- Southeastern Burlington-Carbon-Monroe-Berks-Lehigh-Northampton- Delaware-Philadelphia-Western Chester-Eastern Chester- Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Wilmington, Newton, Washington, Morristown, Flemington, Somerville, New Brunswick, Freehold, Sandy Hook, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Cape May Court House, Ocean City, Atlantic City, Long Beach Island, Wharton State Forest, Jim Thorpe, Stroudsburg, Reading, Allentown, Bethlehem, Easton, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 722 PM EDT Sun Mar 14 2021 ...WIND ADVISORY IS CANCELLED... While breezy conditions with northwest gusts of 30 to 40 mph will continue for much of the night, gusts have fallen below advisory criteria and are expected to remain that way. The Wind Advisory is cancelled. $$ JEO
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 13, 2:41 PM EST | Small Craft Advisory | PHI | 2 hr | |
| Mar 13, 2:56 PM EST | Fire Weather Watch | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 9 more | 12 hr |
| Mar 13, 4:48 PM EST | Gale Warning | PHI | 37 hr |
Nearby
Wind Advisories in New Jersey, 2021Wind Advisories in Pennsylvania, 2021Wind Advisories in Delaware, 2021Every wind advisory 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.