Alert archive / New Jersey / Winter Storm Watches in 2017
Winter Storm Watch 4, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this winter storm watch at Mar 11, 2017, 3:52 PM EST for 4 states. It took effect at Mar 13, 2017, 8:00 PM EDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Mar 11, 2017, 3:52 PM EST (20:52 UTC)
- In effect from
- Mar 13, 2017, 8:00 PM EDT
- Expired
- Mar 13, 2017, 4:21 AM EDT
- In force
- Issued by
- NWS Philadelphia/Mount Holly
All 27 counties
New Castle County, DE, Cecil County, MD, Atlantic County, NJ, Burlington County, NJ, Camden 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), 65 km from the middle of the area, began a volume at 20:55 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, 8.9 hours before the alert went out and 201 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
- 1643 m above ground
- 0-6 km bulk shear
- 119 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
085 WWUS41 KPHI 112052 WSWPHI URGENT - WINTER WEATHER MESSAGE National Weather Service Mount Holly NJ 352 PM EST Sat Mar 11 2017 ...A MAJOR COASTAL STORM WILL AFFECT THE REGION MONDAY NIGHT AND TUESDAY... .Low pressure will develop off the Carolina coast Monday and move northeast toward the Mid-Atlantic by Tuesday. Heavy precipitation will develop along and west of the track of the low. Temperatures will be cold enough for snow in much of the area Monday night and Tuesday with substantial snow accumulations possible. DEZ001-MDZ008-NJZ001-007>010-012>022-027-PAZ054-055-060>062-070- 071-101>106-120900- /O.NEW.KPHI.WS.A.0004.170314T0000Z-170315T0000Z/ New Castle-Cecil-Sussex-Warren-Morris-Hunterdon-Somerset- Middlesex-Western Monmouth-Eastern Monmouth-Mercer-Salem- Gloucester-Camden-Northwestern Burlington-Ocean-Cumberland- Atlantic-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, Elkton, Newton, Washington, Morristown, Flemington, Somerville, New Brunswick, Freehold, Sandy Hook, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, 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 352 PM EST Sat Mar 11 2017 ...WINTER STORM WATCH IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY EVENING... The National Weather Service in Mount Holly has issued a Winter Storm Watch, which is in effect from Monday evening through Tuesday evening. * LOCATIONS...Eastern Pennsylvania, all but far southeastern New Jersey, northern Delaware, and the northern portions of the Eastern Shore of Maryland. * HAZARD TYPES...Heavy snow and strong winds. * ACCUMULATIONS...Potential for storm total snowfall greater than 6 inches. However, there remains uncertainty in exact totals as a sharp gradient will exist between the heaviest snowfall and locations where very little snow may occur. Changes to the forecast track of the storm can result in substantial changes in the total accumulations. * TIMING...Snow begins Monday evening from southwest to northeast across the watch area. Snow will continue on Tuesday with potential for transition to a wintry mix or rain southeast of I-95. Any wintry mix or rain may transition back to snow Tuesday evening before diminishing Tuesday night. * IMPACTS...Heavy snow may cause significant travel disruptions. * WINDS...Northeast 10 to 20 mph with gusts up to 40 mph. The highest winds should occur southeast of the I-295 corridor. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Watch means there is a potential for significant snow...sleet...or ice accumulations that may impact travel. Continue to monitor the latest forecasts. Snowfall and ice accumulation forecast maps in addition to experimental probabilistic snowfall information for the latest event are available online at www.weather.gov/phi/winter && $$ CMS/MPS/MJG/MWG
5 follow-up statements
783 WWUS41 KPHI 120805 WSWPHI URGENT - WINTER WEATHER MESSAGE National Weather Service Mount Holly NJ 405 AM EDT Sun Mar 12 2017 ...A MAJOR COASTAL STORM WILL AFFECT THE REGION MONDAY NIGHT AND TUESDAY... .Low pressure will develop off the Carolina coast Monday and move northeast toward the Mid-Atlantic by Tuesday. Heavy precipitation will develop along and west of the track of the low. Temperatures will be cold enough for snow in much of the area Monday night and Tuesday with substantial snow accumulations possible. NJZ026-122015- /O.EXA.KPHI.WS.A.0004.170314T0000Z-170315T0000Z/ Coastal Ocean- Including the city of Long Beach Island 405 AM EDT Sun Mar 12 2017 ...WINTER STORM WATCH IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY EVENING... The National Weather Service in Mount Holly has issued a Winter Storm Watch, which is in effect from Monday evening through Tuesday evening. * LOCATIONS...Eastern Pennsylvania, all but far southeastern New Jersey, northern Delaware, and the northern portions of the Eastern Shore of Maryland. * HAZARD TYPES...Heavy snow and strong winds. * ACCUMULATIONS...Snow accumulation of 6 to 10 inches. * TIMING...Snow begins Monday evening from southwest to northeast across the watch area. Snow will continue Tuesday into Tuesday evening...though some locations may see a brief break in the snow Tuesday afternoon. * IMPACTS...The heavy snow will make many roads impassable and may produce widespread power outages due to the weight of the snow on tree limbs and power lines. Strong winds could lead to blowing snow, reduced visibility, and additional power outages. * WINDS...Northeast 10 to 25 mph with gusts up to 40 mph. Strongest gusts are expected along the coast. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Watch means there is a potential for significant snow...sleet...or ice accumulations that may impact travel. Continue to monitor the latest forecasts. Snowfall and ice accumulation forecast maps in addition to experimental probabilistic snowfall information for the latest event are available online at www.weather.gov/phi/winter && $$ DEZ001-MDZ008-NJZ001-007>010-012>022-027-PAZ054-055-060>062-070- 071-101>106-122015- /O.CON.KPHI.WS.A.0004.170314T0000Z-170315T0000Z/ New Castle-Cecil-Sussex-Warren-Morris-Hunterdon-Somerset- Middlesex-Western Monmouth-Eastern Monmouth-Mercer-Salem- Gloucester-Camden-Northwestern Burlington-Ocean-Cumberland- Atlantic-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, Elkton, Newton, Washington, Morristown, Flemington, Somerville, New Brunswick, Freehold, Sandy Hook, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, 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 405 AM EDT Sun Mar 12 2017 ...WINTER STORM WATCH REMAINS IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY EVENING... * LOCATIONS...Eastern Pennsylvania, all but far southeastern New Jersey, northern Delaware, and the northern portions of the Eastern Shore of Maryland. * HAZARD TYPES...Heavy snow and strong winds. * ACCUMULATIONS...Snow accumulation of 8 to 12 inches. * TIMING...Snow begins Monday evening from southwest to northeast across the watch area. Snow will continue Tuesday into Tuesday evening...though some locations may see a brief break in the snow Tuesday afternoon. * IMPACTS...The heavy snow will make many roads impassable and may produce widespread power outages due to the weight of the snow on tree limbs and power lines. Strong winds will lead to blowing snow, reduced visibility, and additional power outages. * WINDS...Northeast 15 to 25 mph with gusts up to 40 mph. Strongest gusts are expected along the coast. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Watch means there is a potential for significant snow...sleet...or ice accumulations that may impact travel. Continue to monitor the latest forecasts. Snowfall and ice accumulation forecast maps in addition to experimental probabilistic snowfall information for the latest event are available online at www.weather.gov/phi/winter && $$ SFJ
085 WWUS41 KPHI 120959 WSWPHI URGENT - WINTER WEATHER MESSAGE National Weather Service Mount Holly NJ 559 AM EDT Sun Mar 12 2017 ...A MAJOR COASTAL STORM WILL AFFECT THE REGION MONDAY NIGHT AND TUESDAY... .Low pressure will develop off the Carolina coast Monday and move northeast toward the Mid-Atlantic by Tuesday. Heavy precipitation will develop along and west of the track of the low. Temperatures will be cold enough for snow in much of the area Monday night and Tuesday with substantial snow accumulations possible. DEZ001-MDZ008-NJZ001-007>010-012>022-026-027-PAZ054-055-060>062- 070-071-101>106-122200- /O.CON.KPHI.WS.A.0004.170314T0000Z-170315T0000Z/ New Castle-Cecil-Sussex-Warren-Morris-Hunterdon-Somerset- Middlesex-Western Monmouth-Eastern Monmouth-Mercer-Salem- Gloucester-Camden-Northwestern Burlington-Ocean-Cumberland- 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, Elkton, Newton, Washington, Morristown, Flemington, Somerville, New Brunswick, Freehold, Sandy Hook, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, 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 559 AM EDT Sun Mar 12 2017 ...WINTER STORM WATCH REMAINS IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY EVENING... * LOCATIONS...Eastern Pennsylvania, all but far southeastern New Jersey, northern Delaware, and the northern portions of the Eastern Shore of Maryland. * HAZARD TYPES...Heavy snow and strong winds. * ACCUMULATIONS...Snow accumulation of 6 to 12 inches. * TIMING...Snow begins Monday evening from southwest to northeast across the watch area. Snow will continue Tuesday into Tuesday evening...though some locations may see a brief break in the snow Tuesday afternoon. * IMPACTS...The heavy snow will make many roads impassable and may produce widespread power outages due to the weight of the snow on tree limbs and power lines. Strong winds will lead to blowing snow, reduced visibility, and additional power outages. * WINDS...Northeast 15 to 25 mph with gusts up to 40 mph. Strongest gusts are expected along the coast. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Watch means there is a potential for significant snow...sleet...or ice accumulations that may impact travel. Continue to monitor the latest forecasts. Snowfall and ice accumulation forecast maps in addition to experimental probabilistic snowfall information for the latest event are available online at www.weather.gov/phi/winter && $$ SFJ
457 WWUS41 KPHI 121908 WSWPHI URGENT - WINTER WEATHER MESSAGE National Weather Service Mount Holly NJ 308 PM EDT Sun Mar 12 2017 ...A MAJOR COASTAL STORM WILL AFFECT THE REGION MONDAY NIGHT AND TUESDAY... .Low pressure will develop off the Carolina coast Monday and become an intense storm as it moves east of New Jersey on Tuesday. Heavy precipitation will develop along and west of the track of the storm. Temperatures will be cold enough for snow in much of the area Monday night and Tuesday with substantial accumulations. NJZ001-007>010-012-015-PAZ054-055-060>062-101>106-130715- /O.UPG.KPHI.WS.A.0004.170314T0000Z-170315T0000Z/ /O.NEW.KPHI.WS.W.0003.170314T0000Z-170314T2200Z/ Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex-Mercer-Carbon- Monroe-Berks-Lehigh-Northampton-Western Chester-Eastern Chester- Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Newton, Washington, Morristown, Flemington, Somerville, New Brunswick, Trenton, Jim Thorpe, Stroudsburg, Reading, Allentown, Bethlehem, Easton, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 308 PM EDT Sun Mar 12 2017 ...WINTER STORM WARNING IN EFFECT FROM 8 PM MONDAY TO 6 PM EDT TUESDAY... The National Weather Service in Mount Holly has issued a Winter Storm Warning for heavy snow, which is in effect from 8 PM Monday to 6 PM EDT Tuesday. The Winter Storm Watch is no longer in effect. * LOCATIONS...Eastern Pennsylvania and much of northern New Jersey. * HAZARD TYPES...Heavy snow and strong winds. * ACCUMULATIONS...Snow accumulation of 8 to 18 inches. * TIMING...Snow begins Monday evening from southwest to northeast across the warning area, becoming heavy at times with snowfall rates of one to two inches per hour late Monday night and Tuesday morning. Snow will diminish by Tuesday evening. * IMPACTS...The heavy snow will make travel difficult or impossible late Monday night and Tuesday. * WINDS...Northeast 10 to 20 mph with gusts up to 35 mph. * VISIBILITIES...One quarter mile or less at times, especially Tuesday morning. * TEMPERATURES...Generally in the 20s. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for heavy snow means severe winter weather conditions are expected or occurring. Significant amounts of snow are forecast that will make travel dangerous. Only travel in an emergency. If you must travel...keep an extra flashlight... food...and water in your vehicle in case of an emergency. Report snow and ice accumulation to the National Weather Service by calling our trained spotter line...posting to the NWS Mount Holly Facebook page...or using Twitter. Snowfall and ice accumulation forecast maps in addition to experimental probabilistic snowfall information for the latest event are available online at www.weather.gov/phi/winter && $$ DEZ001-MDZ008-NJZ016>019-PAZ070-071-130715- /O.UPG.KPHI.WS.A.0004.170314T0000Z-170315T0000Z/ /O.NEW.KPHI.WS.W.0003.170314T0000Z-170314T2000Z/ New Castle-Cecil-Salem-Gloucester-Camden-Northwestern Burlington- Delaware-Philadelphia- Including the cities of Wilmington, Elkton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Media, and Philadelphia 308 PM EDT Sun Mar 12 2017 ...WINTER STORM WARNING IN EFFECT FROM 8 PM MONDAY TO 4 PM EDT TUESDAY... The National Weather Service in Mount Holly has issued a Winter Storm Warning for heavy snow, which is in effect from 8 PM Monday to 4 PM EDT Tuesday. The Winter Storm Watch is no longer in effect. * LOCATIONS...The Philadelphia metropolitan area and adjacent southwest New Jersey, northern Delaware, and the northern portions of the Eastern Shore of Maryland. * HAZARD TYPES...Heavy snow and strong winds. * ACCUMULATIONS...Snow accumulation of 6 to 12 inches. There is a chance that a transition to a wintry mix or rain may occur for a time Tuesday morning, which could limit storm total snowfall amounts. * TIMING...Snow begins Monday evening, becoming heavy at times late Monday night through midday Tuesday. Snow will diminish by late Tuesday afternoon. * IMPACTS...The heavy snow will make travel difficult or impossible Monday night and Tuesday and may produce power outages due to the weight of the snow on tree limbs and power lines. * WINDS...Northeast 15 to 25 mph with gusts up to 40 mph. * VISIBILITIES...One quarter mile or less at times, especially Tuesday morning. * TEMPERATURES...Generally in the upper 20s to the lower 30s. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for heavy snow means severe winter weather conditions are expected or occurring. Significant amounts of snow are forecast that will make travel dangerous. Only travel in an emergency. If you must travel...keep an extra flashlight... food...and water in your vehicle in case of an emergency. Report snow and ice accumulation to the National Weather Service by calling our trained spotter line...posting to the NWS Mount Holly Facebook page...or using Twitter. Snowfall and ice accumulation forecast maps in addition to experimental probabilistic snowfall information for the latest event are available online at www.weather.gov/phi/winter && $$ NJZ013-014-020>022-026-027-130715- /O.EXT.KPHI.WS.A.0004.170314T0000Z-170314T2200Z/ Western Monmouth-Eastern Monmouth-Ocean-Cumberland-Atlantic- Coastal Ocean-Southeastern Burlington- Including the cities of Freehold, Sandy Hook, Jackson, Millville, Hammonton, Long Beach Island, and Wharton State Forest 308 PM EDT Sun Mar 12 2017 ...WINTER STORM WATCH NOW IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY AFTERNOON... * LOCATIONS...Portions of eastern New Jersey. * HAZARD TYPES...Heavy snow and strong winds. * ACCUMULATIONS...Potential for storm total snowfall greater than 6 inches. However, there remains uncertainty in exact totals as a sharp gradient will exist between the heaviest snowfall and locations where very little snow may occur. Changes to the forecast track of the storm can result in substantial changes in the total accumulations. * TIMING...Snow begins Monday evening from southwest to northeast across the watch area. Snow will continue through Tuesday afternoon, but there is potential for transition to a wintry mix or rain during the day, which could limit storm total snowfall amounts. * IMPACTS...Heavy snow may cause significant travel disruptions. * WINDS...Northeast 20 to 30 mph with gusts up to 50 mph. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Watch means there is a potential for significant snow...sleet...or ice accumulations that may impact travel. Continue to monitor the latest forecasts. Snowfall and ice accumulation forecast maps in addition to experimental probabilistic snowfall information for the latest event are available online at www.weather.gov/phi/winter && $$ CMS/WD/MJG
219 WWUS41 KPHI 130131 WSWPHI URGENT - WINTER WEATHER MESSAGE National Weather Service Mount Holly NJ 931 PM EDT Sun Mar 12 2017 ...A MAJOR COASTAL STORM WILL AFFECT THE REGION MONDAY NIGHT AND TUESDAY... .Low pressure will develop off the Carolina coast Monday, becoming an intense storm as it moves east of New Jersey on Tuesday. Heavy precipitation will develop along and west of the track of the storm. Temperatures will be cold enough for snow in much of the area Monday night and Tuesday with substantial accumulations expected. NJZ001-007>010-012-015-PAZ054-055-060>062-101>106-131400- /O.CON.KPHI.WS.W.0003.170314T0000Z-170314T2200Z/ Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex-Mercer-Carbon- Monroe-Berks-Lehigh-Northampton-Western Chester-Eastern Chester- Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Newton, Washington, Morristown, Flemington, Somerville, New Brunswick, Trenton, Jim Thorpe, Stroudsburg, Reading, Allentown, Bethlehem, Easton, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 931 PM EDT Sun Mar 12 2017 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 8 PM MONDAY TO 6 PM EDT TUESDAY... * LOCATIONS...Eastern Pennsylvania and much of northern New Jersey. * HAZARD TYPES...Heavy snow and strong winds. * ACCUMULATIONS...Snow accumulation of 8 to 18 inches. * TIMING...Snow begins Monday evening from southwest to northeast across the warning area, becoming heavy at times with snowfall rates of one to two inches per hour late Monday night and Tuesday morning. Snow will diminish by Tuesday evening. * IMPACTS...The heavy snow will make travel difficult or impossible late Monday night and Tuesday. * WINDS...Northeast 10 to 20 mph with gusts up to 35 mph. * VISIBILITIES...One quarter mile or less at times, especially Tuesday morning. * TEMPERATURES...Generally in the 20s. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for heavy snow means severe winter weather conditions are expected or occurring. Significant amounts of snow are forecast that will make travel dangerous. Only travel in an emergency. If you must travel...keep an extra flashlight... food...and water in your vehicle in case of an emergency. Report snow and ice accumulation to the National Weather Service by calling our trained spotter line...posting to the NWS Mount Holly Facebook page...or using Twitter. Snowfall and ice accumulation forecast maps in addition to experimental probabilistic snowfall information for the latest event are available online at www.weather.gov/phi/winter && $$ DEZ001-MDZ008-NJZ016>019-PAZ070-071-131400- /O.CON.KPHI.WS.W.0003.170314T0000Z-170314T2000Z/ New Castle-Cecil-Salem-Gloucester-Camden-Northwestern Burlington- Delaware-Philadelphia- Including the cities of Wilmington, Elkton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Media, and Philadelphia 931 PM EDT Sun Mar 12 2017 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 8 PM MONDAY TO 4 PM EDT TUESDAY... * LOCATIONS...The Philadelphia metropolitan area and adjacent southwest New Jersey, northern Delaware, and the northern portions of the Eastern Shore of Maryland. * HAZARD TYPES...Heavy snow and strong winds. * ACCUMULATIONS...Snow accumulation of 6 to 12 inches. There is a chance that a transition to a wintry mix or rain may occur for a time Tuesday morning, which could limit storm total snowfall amounts. * TIMING...Snow begins Monday evening, becoming heavy at times late Monday night through midday Tuesday. Snow will diminish by late Tuesday afternoon. * IMPACTS...The heavy snow will make travel difficult or impossible Monday night and Tuesday and may produce power outages due to the weight of the snow on tree limbs and power lines. * WINDS...Northeast 15 to 25 mph with gusts up to 40 mph. * VISIBILITIES...One quarter mile or less at times, especially Tuesday morning. * TEMPERATURES...Generally in the upper 20s to the lower 30s. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for heavy snow means severe winter weather conditions are expected or occurring. Significant amounts of snow are forecast that will make travel dangerous. Only travel in an emergency. If you must travel...keep an extra flashlight... food...and water in your vehicle in case of an emergency. Report snow and ice accumulation to the National Weather Service by calling our trained spotter line...posting to the NWS Mount Holly Facebook page...or using Twitter. Snowfall and ice accumulation forecast maps in addition to experimental probabilistic snowfall information for the latest event are available online at www.weather.gov/phi/winter && $$ NJZ013-014-020>022-026-027-131400- /O.CON.KPHI.WS.A.0004.170314T0000Z-170314T2200Z/ Western Monmouth-Eastern Monmouth-Ocean-Cumberland-Atlantic- Coastal Ocean-Southeastern Burlington- Including the cities of Freehold, Sandy Hook, Jackson, Millville, Hammonton, Long Beach Island, and Wharton State Forest 931 PM EDT Sun Mar 12 2017 ...WINTER STORM WATCH REMAINS IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY AFTERNOON... * LOCATIONS...Portions of eastern New Jersey. * HAZARD TYPES...Heavy snow and strong winds. * ACCUMULATIONS...Potential for storm total snowfall greater than 6 inches. However, there remains uncertainty in exact totals as a sharp gradient will exist between the heaviest snowfall and locations where very little snow occurs. Even small changes to the forecast track of the storm can result in substantial changes to the total accumulations. * TIMING...Snow begins Monday evening from southwest to northeast across the watch area. Snow will continue through Tuesday afternoon, but there is potential for transition to a wintry mix or rain during the day, which could limit storm total snowfall amounts. * IMPACTS...Heavy snow may cause significant travel disruptions. * WINDS...Northeast 20 to 30 mph with gusts up to 50 mph. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Watch means there is a potential for significant snow...sleet...or ice accumulations that may impact travel. Continue to monitor the latest forecasts. Snowfall and ice accumulation forecast maps in addition to experimental probabilistic snowfall information for the latest event are available online at www.weather.gov/phi/winter && $$ CMS
391 WWUS41 KPHI 130821 WSWPHI URGENT - WINTER WEATHER MESSAGE National Weather Service Mount Holly NJ 421 AM EDT Mon Mar 13 2017 ...A MAJOR COASTAL STORM WILL AFFECT THE REGION MONDAY NIGHT AND TUESDAY... .Low pressure will develop off the Carolina coast Monday, becoming an intense storm as it moves east of New Jersey on Tuesday. Heavy precipitation will develop along and west of the track of the storm. Temperatures will be cold enough for snow in much of the area Monday night and Tuesday with substantial accumulations expected. NJZ013-014-020-026-132030- /O.UPG.KPHI.WS.A.0004.170314T0000Z-170314T2200Z/ /O.NEW.KPHI.BZ.W.0001.170314T0000Z-170314T2200Z/ Western Monmouth-Eastern Monmouth-Ocean-Coastal Ocean- Including the cities of Freehold, Sandy Hook, Jackson, and Long Beach Island 421 AM EDT Mon Mar 13 2017 ...BLIZZARD WARNING IN EFFECT FROM 8 PM THIS EVENING TO 6 PM EDT TUESDAY... The National Weather Service in Mount Holly has issued a Blizzard Warning, which is in effect from 8 PM this evening to 6 PM EDT Tuesday. The Winter Storm Watch is no longer in effect. * LOCATIONS...Portions of eastern New Jersey. * HAZARD TYPES...Heavy snow and strong winds. * ACCUMULATIONS...Snow accumulation of 10 to 14 inches. * TIMING...Snow begins Monday evening from southwest to northeast across the warning area and will continue through Tuesday afternoon. * IMPACTS...The heavy snow will make many roads impassable and may produce widespread power outages due to the weight of the snow on tree limbs and power lines. Strong winds will lead to blowing snow, reduced visibility, and additional power outages. * WINDS...Northeast 25 to 35 mph with gusts up to 50 mph. * VISIBILITIES...One quarter mile or less at times. * TEMPERATURES...In the lower 30s. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Blizzard Warning means severe winter weather conditions are expected or occurring. Falling and blowing snow with strong winds and poor visibilities are likely. This will lead to whiteout conditions...making travel extremely dangerous. Do not travel. If you must travel...have a winter survival kit with you. If you get stranded...stay with your vehicle. && $$ NJZ021-022-027-132030- /O.UPG.KPHI.WS.A.0004.170314T0000Z-170314T2200Z/ /O.EXA.KPHI.WS.W.0003.170314T0000Z-170314T2200Z/ Cumberland-Atlantic-Southeastern Burlington- Including the cities of Millville, Hammonton, and Wharton State Forest 421 AM EDT Mon Mar 13 2017 ...WINTER STORM WARNING IN EFFECT FROM 8 PM THIS EVENING TO 6 PM EDT TUESDAY... The National Weather Service in Mount Holly has issued a Winter Storm Warning for heavy snow, which is in effect from 8 PM this evening to 6 PM EDT Tuesday. The Winter Storm Watch is no longer in effect. * LOCATIONS...Portions of eastern New Jersey. * HAZARD TYPES...Heavy snow and gusty winds. * ACCUMULATIONS...Snow accumulation of 6 to 10 inches. * TIMING...Snow begins Monday evening from southwest to northeast across the warning area and will continue through Tuesday afternoon. * IMPACTS...The heavy snow will make many roads impassable and may produce widespread power outages due to the weight of the snow on tree limbs and power lines. Strong winds will lead to blowing snow, reduced visibility, and additional power outages. * WINDS...Northeast 15 to 25 mph with gusts up to 35 mph. * VISIBILITIES...One quarter mile or less at times. * TEMPERATURES...In the lower 30s. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for heavy snow means severe winter weather conditions are expected or occurring. Significant amounts of snow are forecast that will make travel dangerous. Only travel in an emergency. If you must travel...keep an extra flashlight... food...and water in your vehicle in case of an emergency. Report snow and ice accumulation to the National Weather Service by calling our trained spotter line...posting to the NWS Mount Holly Facebook page...or using Twitter. Snowfall and ice accumulation forecast maps in addition to experimental probabilistic snowfall information for the latest event are available online at www.weather.gov/phi/winter && $$ MDZ012-132030- /O.EXA.KPHI.WS.W.0003.170314T0000Z-170314T2000Z/ Kent MD- Including the city of Chestertown 421 AM EDT Mon Mar 13 2017 ...WINTER STORM WARNING IN EFFECT FROM 8 PM THIS EVENING TO 4 PM EDT TUESDAY... The National Weather Service in Mount Holly has issued a Winter Storm Warning for heavy snow, which is in effect from 8 PM this evening to 4 PM EDT Tuesday. * LOCATIONS...Portions of eastern Maryland. * HAZARD TYPES...Heavy snow and strong winds. * ACCUMULATIONS...Snow accumulation of 4 to 8 inches. * TIMING...Snow begins Monday evening and will continue into Tuesday afternoon. * IMPACTS...The heavy snow will make many roads impassable and may produce widespread power outages due to the weight of the snow on tree limbs and power lines. * WINDS...Northeast 15 to 25 mph with gusts up to 35 mph. * VISIBILITIES...One quarter mile or less at times. * TEMPERATURES...In the mid 30s. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for heavy snow means severe winter weather conditions are expected or occurring. Significant amounts of snow are forecast that will make travel dangerous. Only travel in an emergency. If you must travel...keep an extra flashlight... food...and water in your vehicle in case of an emergency. Report snow and ice accumulation to the National Weather Service by calling our trained spotter line...posting to the NWS Mount Holly Facebook page...or using Twitter. Snowfall and ice accumulation forecast maps in addition to experimental probabilistic snowfall information for the latest event are available online at www.weather.gov/phi/winter && $$ NJZ001-007>010-012-015-PAZ054-055-060>062-101>106-132030- /O.CON.KPHI.WS.W.0003.170314T0000Z-170314T2200Z/ Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex-Mercer-Carbon- Monroe-Berks-Lehigh-Northampton-Western Chester-Eastern Chester- Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Newton, Washington, Morristown, Flemington, Somerville, New Brunswick, Trenton, Jim Thorpe, Stroudsburg, Reading, Allentown, Bethlehem, Easton, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 421 AM EDT Mon Mar 13 2017 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 6 PM EDT TUESDAY... * LOCATIONS...Eastern Pennsylvania and much of northern New Jersey. * HAZARD TYPES...Heavy snow and strong winds. * ACCUMULATIONS...Snow accumulation of 18 to 24 inches. * TIMING...Snow begins Monday evening from southwest to northeast across the warning area, becoming heavy at times with snowfall rates of one to two inches per hour late Monday night and Tuesday morning. Snow will diminish by Tuesday evening. * IMPACTS...The heavy snow will make many roads impassable and may produce widespread power outages due to the weight of the snow on tree limbs and power lines. * WINDS...Northeast 10 to 20 mph with gusts up to 35 mph. * VISIBILITIES...One quarter mile or less at times. * TEMPERATURES...In the upper 20s. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for heavy snow means severe winter weather conditions are expected or occurring. Significant amounts of snow are forecast that will make travel dangerous. Only travel in an emergency. If you must travel...keep an extra flashlight... food...and water in your vehicle in case of an emergency. Report snow and ice accumulation to the National Weather Service by calling our trained spotter line...posting to the NWS Mount Holly Facebook page...or using Twitter. Snowfall and ice accumulation forecast maps in addition to experimental probabilistic snowfall information for the latest event are available online at www.weather.gov/phi/winter && $$ DEZ001-MDZ008-NJZ016>019-PAZ070-071-132030- /O.CON.KPHI.WS.W.0003.170314T0000Z-170314T2000Z/ New Castle-Cecil-Salem-Gloucester-Camden-Northwestern Burlington- Delaware-Philadelphia- Including the cities of Wilmington, Elkton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Media, and Philadelphia 421 AM EDT Mon Mar 13 2017 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 4 PM EDT TUESDAY... * LOCATIONS...The Philadelphia metropolitan area and adjacent southwest New Jersey, northern Delaware, and the northern portions of the Eastern Shore of Maryland. * HAZARD TYPES...Heavy snow and strong winds. * ACCUMULATIONS...Snow accumulation of 8 to 12 inches. * TIMING...Snow begins Monday evening, becoming heavy at times late Monday night through midday Tuesday. Snow will diminish by late Tuesday afternoon. * IMPACTS...The heavy snow will make many roads impassable and may produce widespread power outages due to the weight of the snow on tree limbs and power lines. Strong winds will lead to blowing snow, reduced visibility, and additional power outages. * WINDS...Northeast 15 to 25 mph with gusts up to 35 mph. * VISIBILITIES...One quarter mile or less at times. * TEMPERATURES...In the lower 30s. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for heavy snow means severe winter weather conditions are expected or occurring. Significant amounts of snow are forecast that will make travel dangerous. Only travel in an emergency. If you must travel...keep an extra flashlight... food...and water in your vehicle in case of an emergency. Report snow and ice accumulation to the National Weather Service by calling our trained spotter line...posting to the NWS Mount Holly Facebook page...or using Twitter. Snowfall and ice accumulation forecast maps in addition to experimental probabilistic snowfall information for the latest event are available online at www.weather.gov/phi/winter && $$ NJZ023>025-132030- /O.NEW.KPHI.WW.Y.0010.170314T0000Z-170314T2200Z/ Cape May-Atlantic Coastal Cape May-Coastal Atlantic- Including the cities of Cape May Court House, Ocean City, and Atlantic City 421 AM EDT Mon Mar 13 2017 ...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 6 PM EDT TUESDAY... The National Weather Service in Mount Holly has issued a Winter Weather Advisory for snow, which is in effect from 8 PM this evening to 6 PM EDT Tuesday. * LOCATIONS...portions of southeast New Jersey. * HAZARD TYPES...Snow. * ACCUMULATIONS...Snow accumulation of 2 to 4 inches. * TIMING...Snow begins Monday evening, becoming moderate at times late Monday night through midday Tuesday. Snow will diminish by late Tuesday evening. * IMPACTS...The snow will lead to slippery roads. Strong winds will lead to blowing snow, reduced visibility, and power outages. * WINDS...Northeast 25 to 35 mph with gusts up to 50 mph. * TEMPERATURES...In the mid 30s. * VISIBILITIES...One half mile or less at times.. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory means that periods of snow...sleet...or freezing rain will cause travel difficulties. Be prepared for slippery roads and limited visibilities...and use caution while driving. Report Snow and ice accumulation to the National Weather Service by calling our trained spotter line...posting to the NWS Mount Holly Facebook page...or using Twitter. Snowfall and ice accumulation forecast maps in addition to experimental probabilistic snowfall information for the latest event are available online at www.weather.gov/phi/winter && $$ DEZ002-MDZ015-019-020-132030- /O.NEW.KPHI.WW.Y.0010.170314T0000Z-170314T2000Z/ Kent-Queen Annes-Talbot-Caroline- Including the cities of Dover, Centreville, Easton, and Denton 421 AM EDT Mon Mar 13 2017 ...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 4 PM EDT TUESDAY... The National Weather Service in Mount Holly has issued a Winter Weather Advisory for snow, which is in effect from 8 PM this evening to 4 PM EDT Tuesday. * LOCATIONS...Portions of eastern Maryland. * HAZARD TYPES...Snow * ACCUMULATIONS...Snow accumulation of 3 to 5 inches. * TIMING...Snow begins Monday evening, becoming moderate at times late Monday night through midday Tuesday. Snow will diminish late Tuesday afternoon. * IMPACTS...The snow will lead to slippery roads. Strong winds will lead to blowing snow, reduced visibility, and power outages. * WINDS...Northeast 25 to 35 mph with gusts up to 50 mph. * TEMPERATURES...In the mid 30s. * VISIBILITIES...One half mile or less at times.. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory means that periods of snow...sleet...or freezing rain will cause travel difficulties. Be prepared for slippery roads and limited visibilities...and use caution while driving. Report Snow and ice accumulation to the National Weather Service by calling our trained spotter line...posting to the NWS Mount Holly Facebook page...or using Twitter. Snowfall and ice accumulation forecast maps in addition to experimental probabilistic snowfall information for the latest event are available online at www.weather.gov/phi/winter && $$
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 10, 7:17 PM EST | Special Weather Statement | PHI | Monmouth | 28 min |
| Mar 10, 7:20 PM EST | Special Weather Statement | PHI | Mercer | 25 min |
| Mar 10, 7:44 PM EST | Special Weather Statement | PHI | Monmouth | 31 min |
| Mar 10, 8:00 PM EST | Special Weather Statement | PHI | Mercer | 30 min |
| Mar 11, 5:41 AM EST | Small Craft Advisory | PHI | 43 hr | |
| Mar 11, 3:33 PM EST | Gale Watch | PHI | 24 hr |
Nearby
Winter Storm Watches in New Jersey, 2017Winter Storm Watches in Pennsylvania, 2017Winter Storm Watches in Maryland, 2017Every winter storm watch in 2017
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.