Alert archive / New Jersey / Winter Weather Advisories in 2017
Winter Weather Advisory 6, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this winter weather advisory at Jan 29, 2017, 3:24 AM EST for Kent County, New Castle County, Sussex County, Delaware; 8 counties in New Jersey; 5 counties in Maryland. It took effect at Jan 30, 2017, 12:00 AM EST. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Jan 29, 2017, 3:24 AM EST (08:24 UTC)
- In effect from
- Jan 30, 2017, 12:00 AM EST
- Expired
- Jan 30, 2017, 8:25 AM EST
- In force
- 8 hr
- Issued by
- NWS Philadelphia/Mount Holly
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, Ocean County, NJ, Salem County, NJ
The radar
The Dover AFB radar (KDOX), 58 km from the middle of the area, began a volume at 08:30 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 00:00Z, 8.4 hours before the alert went out and 158 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
- 1673 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 145 m²/s²
- 0-3 km storm-relative helicity
- 132 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
422 WWUS41 KPHI 290824 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 324 AM EST SUN JAN 29 2017 ...SNOW IS EXPECTED FOR LATE TONIGHT INTO MONDAY MORNING... .LOW PRESSURE IS FORECAST TO DEVELOP OVER VIRGINIA LATE TODAY. THE LOW IS ANTICIPATED TO PASS OFF THE DELMARVA COAST LATE TONIGHT BEFORE MOVING OUT TO SEA ON MONDAY. DEZ001>004-MDZ008-012-015-019-020-292100- /O.NEW.KPHI.WW.Y.0006.170130T0500Z-170130T1700Z/ NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD- QUEEN ANNES-TALBOT-CAROLINE- INCLUDING THE CITIES OF WILMINGTON, DOVER, GEORGETOWN, REHOBOTH BEACH, ELKTON, CHESTERTOWN, CENTREVILLE, EASTON, AND DENTON 324 AM EST SUN JAN 29 2017 ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO NOON EST MONDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW. IT IS IN EFFECT FROM MIDNIGHT TONIGHT UNTIL NOON ON MONDAY. * LOCATIONS...NORTHEASTERN MARYLAND AND DELAWARE. * HAZARD TYPE...SNOW. * SNOW ACCUMULATIONS...FROM 1 TO 3 INCHES. * TIMING...SNOW IS FORECAST TO OVERSPREAD THE REGION LATE THIS EVENING AND IT SHOULD CONTINUE INTO MONDAY MORNING. THE SNOW MAY MIX WITH OR CHANGE TO RAIN BEFORE ENDING BY MIDDAY ON MONDAY. * IMPACTS...THE SNOW MAY IMPACT TRAVEL CONDITIONS, ESPECIALLY DURING THE MONDAY MORNING COMMUTE. ROADS AND WALKWAYS MAY BECOME SNOW COVERED AND SLIPPERY. * TEMPERATURES...GENERALLY IN THE LOWER 30S DURING THE SNOW EVENT. * VISIBILITY...AROUND OR LESS THAN A HALF MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS WINTER WEATHER ADVISORY MEANS THAT A PERIOD OF SNOW MAY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITY. USE EXTRA CAUTION WHILE DRIVING. PLEASE REPORT SNOW ACCUMULATIONS TO THE NATIONAL WEATHER SERVICE BY CALLING OUR TRAINED SPOTTER LINE...POSTING TO THE NWS MOUNT HOLLY FACEBOOK PAGE OR BY USING TWITTER. SNOWFALL AND ICE ACCUMULATION FORECAST MAPS IN ADDITION TO EXPERIMENTAL PROBABILISTIC SNOWFALL INFORMATION FOR THIS EVENT ARE AVAILABLE ONLINE AT WWW.WEATHER.GOV/PHI/WINTER && $$ NJZ016>018-020>027-292100- /O.NEW.KPHI.WW.Y.0006.170130T0800Z-170130T1700Z/ SALEM-GLOUCESTER-CAMDEN-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY- ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN- SOUTHEASTERN BURLINGTON- INCLUDING THE CITIES OF PENNSVILLE, GLASSBORO, CAMDEN, CHERRY HILL, JACKSON, MILLVILLE, HAMMONTON, CAPE MAY COURT HOUSE, OCEAN CITY, ATLANTIC CITY, LONG BEACH ISLAND, AND WHARTON STATE FOREST 324 AM EST SUN JAN 29 2017 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM TO NOON EST MONDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW. IT IS IN EFFECT FROM 300 AM MONDAY UNTIL NOON ON MONDAY. * LOCATIONS...SOUTHERN NEW JERSEY. * HAZARD TYPE...SNOW. * SNOW ACCUMULATIONS...FROM 1 TO 3 INCHES. * TIMING...SNOW IS FORECAST TO OVERSPREAD THE REGION AFTER MIDNIGHT AND IT SHOULD CONTINUE INTO MONDAY MORNING. THE SNOW MAY MIX WITH OR CHANGE TO RAIN BEFORE ENDING BY MIDDAY ON MONDAY. * IMPACTS...THE SNOW MAY IMPACT TRAVEL CONDITIONS, ESPECIALLY DURING THE MONDAY MORNING COMMUTE. ROADS AND WALKWAYS MAY BECOME SNOW COVERED AND SLIPPERY. * TEMPERATURES...GENERALLY IN THE UPPER 20S AND LOWER 30S DURING THE SNOW EVENT. * VISIBILITY...AROUND OR LESS THAN A HALF MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS WINTER WEATHER ADVISORY MEANS THAT A PERIOD OF SNOW MAY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITY. USE EXTRA CAUTION WHILE DRIVING. PLEASE REPORT SNOW ACCUMULATIONS TO THE NATIONAL WEATHER SERVICE BY CALLING OUR TRAINED SPOTTER LINE...POSTING TO THE NWS MOUNT HOLLY FACEBOOK PAGE OR BY USING TWITTER. SNOWFALL AND ICE ACCUMULATION FORECAST MAPS IN ADDITION TO EXPERIMENTAL PROBABILISTIC SNOWFALL INFORMATION FOR THIS EVENT ARE AVAILABLE ONLINE AT WWW.WEATHER.GOV/PHI/WINTER && $$ IOVINO
5 follow-up statements
537 WWUS41 KPHI 292039 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 339 PM EST SUN JAN 29 2017 ...SNOW IS EXPECTED FOR LATE TONIGHT INTO MONDAY MORNING... .LOW PRESSURE WILL FORM TO THE WEST OF THE CHESAPEAKE BAY THROUGH THIS EVENING. THE LOW WILL STRENGTHEN NEAR THE NORTHERN MID-ATLANTIC COAST LATE TONIGHT AND MOVE OUT TO SEA ON MONDAY. DEZ001>004-MDZ008-012-015-019-020-301030- /O.CON.KPHI.WW.Y.0006.170130T0500Z-170130T1700Z/ NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD- QUEEN ANNES-TALBOT-CAROLINE- INCLUDING THE CITIES OF WILMINGTON, DOVER, GEORGETOWN, REHOBOTH BEACH, ELKTON, CHESTERTOWN, CENTREVILLE, EASTON, AND DENTON 339 PM EST SUN JAN 29 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON EST MONDAY... * LOCATIONS...NORTHEASTERN MARYLAND AND DELAWARE. * HAZARD TYPE...SNOW. * SNOW ACCUMULATIONS...2 TO 4 INCHES. * TIMING...SNOW IS FORECAST TO OVERSPREAD THE REGION LATE THIS EVENING AND IT SHOULD CONTINUE INTO MONDAY MORNING. * IMPACTS...THE SNOW WILL CREATE SLIPPERY CONDITIONS ON ANY UNTREATED SURFACES. * VISIBILITY...LESS THAN A HALF MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS WINTER WEATHER ADVISORY MEANS THAT A PERIOD OF SNOW MAY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITY. USE EXTRA CAUTION WHILE DRIVING. PLEASE REPORT SNOW ACCUMULATIONS TO THE NATIONAL WEATHER SERVICE BY CALLING OUR TRAINED SPOTTER LINE...POSTING TO THE NWS MOUNT HOLLY FACEBOOK PAGE OR BY USING TWITTER. SNOWFALL AND ICE ACCUMULATION FORECAST MAPS IN ADDITION TO EXPERIMENTAL PROBABILISTIC SNOWFALL INFORMATION FOR THIS EVENT ARE AVAILABLE ONLINE AT WWW.WEATHER.GOV/PHI/WINTER && $$ NJZ016>018-020>027-301030- /O.CON.KPHI.WW.Y.0006.170130T0800Z-170130T1700Z/ SALEM-GLOUCESTER-CAMDEN-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY- ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN- SOUTHEASTERN BURLINGTON- INCLUDING THE CITIES OF PENNSVILLE, GLASSBORO, CAMDEN, CHERRY HILL, JACKSON, MILLVILLE, HAMMONTON, CAPE MAY COURT HOUSE, OCEAN CITY, ATLANTIC CITY, LONG BEACH ISLAND, AND WHARTON STATE FOREST 339 PM EST SUN JAN 29 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 AM TO NOON EST MONDAY... * LOCATIONS...SOUTHERN NEW JERSEY. * HAZARD TYPE...SNOW. * SNOW ACCUMULATIONS...2 TO 4 INCHES. * TIMING...SNOW IS FORECAST TO OVERSPREAD THE REGION AFTER MIDNIGHT AND IT SHOULD CONTINUE INTO MONDAY MORNING. * IMPACTS...THE SNOW WILL CREATE SLIPPERY CONDITIONS ON ANY UNTREATED SURFACES. * VISIBILITY...LESS THAN A HALF MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS WINTER WEATHER ADVISORY MEANS THAT A PERIOD OF SNOW MAY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITY. USE EXTRA CAUTION WHILE DRIVING. PLEASE REPORT SNOW ACCUMULATIONS TO THE NATIONAL WEATHER SERVICE BY CALLING OUR TRAINED SPOTTER LINE...POSTING TO THE NWS MOUNT HOLLY FACEBOOK PAGE OR BY USING TWITTER. SNOWFALL AND ICE ACCUMULATION FORECAST MAPS IN ADDITION TO EXPERIMENTAL PROBABILISTIC SNOWFALL INFORMATION FOR THIS EVENT ARE AVAILABLE ONLINE AT WWW.WEATHER.GOV/PHI/WINTER && $$ PO
798 WWUS41 KPHI 300342 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1042 PM EST SUN JAN 29 2017 ...SNOW IS EXPECTED OVERNIGHT INTO MONDAY MORNING... .LOW PRESSURE DEVELOPING IN THE CHESAPEAKE BAY REGION LATE THIS EVENING WILL PASS OFF THE COAST LATE TONIGHT. THE LOW IS EXPECTED TO MOVE OUT TO SEA ON MONDAY. DEZ001>004-MDZ008-012-015-019-020-301700- /O.CON.KPHI.WW.Y.0006.170130T0500Z-170130T1700Z/ NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD- QUEEN ANNES-TALBOT-CAROLINE- INCLUDING THE CITIES OF WILMINGTON, DOVER, GEORGETOWN, REHOBOTH BEACH, ELKTON, CHESTERTOWN, CENTREVILLE, EASTON, AND DENTON 1042 PM EST SUN JAN 29 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON EST MONDAY... * LOCATIONS...NORTHEASTERN MARYLAND AND DELAWARE. * HAZARD TYPE...SNOW. * SNOW ACCUMULATIONS...2 TO 4 INCHES. * TIMING...SNOW IS FORECAST TO OVERSPREAD THE REGION OVERNIGHT AND IT SHOULD CONTINUE INTO MONDAY MORNING. THE SNOW IS EXPECTED TO COME TO AN END DURING THE MID TO LATE MORNING HOURS. * IMPACTS...THE SNOW WILL CREATE SLIPPERY CONDITIONS ON ROADS AND WALKWAYS AND IT SHOULD IMPACT THE MONDAY MORNING COMMUTE. * VISIBILITY...LESS THAN A HALF MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS WINTER WEATHER ADVISORY MEANS THAT A PERIOD OF SNOW MAY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITY. USE EXTRA CAUTION WHILE DRIVING. PLEASE REPORT SNOW ACCUMULATIONS TO THE NATIONAL WEATHER SERVICE BY CALLING OUR TRAINED SPOTTER LINE...POSTING TO THE NWS MOUNT HOLLY FACEBOOK PAGE OR BY USING TWITTER. SNOWFALL AND ICE ACCUMULATION FORECAST MAPS IN ADDITION TO EXPERIMENTAL PROBABILISTIC SNOWFALL INFORMATION FOR THIS EVENT ARE AVAILABLE ONLINE AT WWW.WEATHER.GOV/PHI/WINTER && $$ NJZ016>018-020>027-301700- /O.CON.KPHI.WW.Y.0006.170130T0800Z-170130T1700Z/ SALEM-GLOUCESTER-CAMDEN-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY- ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN- SOUTHEASTERN BURLINGTON- INCLUDING THE CITIES OF PENNSVILLE, GLASSBORO, CAMDEN, CHERRY HILL, JACKSON, MILLVILLE, HAMMONTON, CAPE MAY COURT HOUSE, OCEAN CITY, ATLANTIC CITY, LONG BEACH ISLAND, AND WHARTON STATE FOREST 1042 PM EST SUN JAN 29 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 AM TO NOON EST MONDAY... * LOCATION...SOUTHERN NEW JERSEY. * HAZARD TYPE...SNOW. * SNOW ACCUMULATIONS...2 TO 4 INCHES. * TIMING...SNOW IS FORECAST TO OVERSPREAD THE REGION OVERNIGHT AND IT SHOULD CONTINUE INTO MONDAY MORNING. THE SNOW IS EXPECTED TO COME TO AN END DURING THE MID TO LATE MORNING HOURS. * IMPACTS...THE SNOW WILL CREATE SLIPPERY CONDITIONS ON ROADS AND WALKWAYS AND IT SHOULD IMPACT THE MONDAY MORNING COMMUTE. * VISIBILITY...LESS THAN A HALF MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS WINTER WEATHER ADVISORY MEANS THAT A PERIOD OF SNOW MAY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITY. USE EXTRA CAUTION WHILE DRIVING. PLEASE REPORT SNOW ACCUMULATIONS TO THE NATIONAL WEATHER SERVICE BY CALLING OUR TRAINED SPOTTER LINE...POSTING TO THE NWS MOUNT HOLLY FACEBOOK PAGE OR BY USING TWITTER. SNOWFALL AND ICE ACCUMULATION FORECAST MAPS IN ADDITION TO EXPERIMENTAL PROBABILISTIC SNOWFALL INFORMATION FOR THIS EVENT ARE AVAILABLE ONLINE AT WWW.WEATHER.GOV/PHI/WINTER && $$
901 WWUS41 KPHI 300758 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 258 AM EST MON JAN 30 2017 ...SNOW THIS MORNING... .LOW PRESSURE LOCATED OFF THE DELMARVA COAST EARLY THIS MORNING WILL MOVE OUT TO SEA TODAY. DEZ001>004-MDZ008-012-015-019-020-301700- /O.CON.KPHI.WW.Y.0006.000000T0000Z-170130T1700Z/ NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD- QUEEN ANNES-TALBOT-CAROLINE- INCLUDING THE CITIES OF WILMINGTON, DOVER, GEORGETOWN, REHOBOTH BEACH, ELKTON, CHESTERTOWN, CENTREVILLE, EASTON, AND DENTON 258 AM EST MON JAN 30 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON EST TODAY... * LOCATIONS...NORTHEASTERN MARYLAND AND DELAWARE. * HAZARD TYPE...SNOW. * SNOW ACCUMULATIONS...GENERALLY 1 TO 3 INCHES. * TIMING...SNOW WILL CONTINUE EARLY THIS MORNING. THE STEADY SNOW IS EXPECTED TO COME TO AN END DURING THE MID TO LATE MORNING HOURS WITH SCATTERED SNOW SHOWERS LINGERING INTO THE AFTERNOON. * IMPACTS...THE SNOW WILL CREATE SLIPPERY CONDITIONS ON ROADS AND WALKWAYS AND IT WILL IMPACT THE MORNING COMMUTE. * VISIBILITY...LESS THAN A HALF MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS WINTER WEATHER ADVISORY MEANS THAT A PERIOD OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITY. USE EXTRA CAUTION WHILE DRIVING. PLEASE REPORT SNOW ACCUMULATIONS TO THE NATIONAL WEATHER SERVICE BY CALLING OUR TRAINED SPOTTER LINE...POSTING TO THE NWS MOUNT HOLLY FACEBOOK PAGE OR BY USING TWITTER. SNOWFALL AND ICE ACCUMULATION FORECAST MAPS IN ADDITION TO EXPERIMENTAL PROBABILISTIC SNOWFALL INFORMATION FOR THIS EVENT ARE AVAILABLE ONLINE AT WWW.WEATHER.GOV/PHI/WINTER && $$ NJZ016>018-020>027-301700- /O.CON.KPHI.WW.Y.0006.170130T0800Z-170130T1700Z/ SALEM-GLOUCESTER-CAMDEN-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY- ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN- SOUTHEASTERN BURLINGTON- INCLUDING THE CITIES OF PENNSVILLE, GLASSBORO, CAMDEN, CHERRY HILL, JACKSON, MILLVILLE, HAMMONTON, CAPE MAY COURT HOUSE, OCEAN CITY, ATLANTIC CITY, LONG BEACH ISLAND, AND WHARTON STATE FOREST 258 AM EST MON JAN 30 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON EST TODAY... * LOCATION...SOUTHERN NEW JERSEY. * HAZARD TYPE...SNOW. * SNOW ACCUMULATIONS...UP TO 2 TO 4 INCHES. * TIMING...SNOW WILL CONTINUE EARLY THIS MORNING. THE STEADY SNOW IS EXPECTED TO COME TO AN END DURING THE MID TO LATE MORNING HOURS WITH SCATTERED SNOW SHOWERS LINGERING INTO THE AFTERNOON. * IMPACTS...THE SNOW WILL CREATE SLIPPERY CONDITIONS ON ROADS AND WALKWAYS AND IT WILL IMPACT THE MORNING COMMUTE. * VISIBILITY...LESS THAN A HALF MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS WINTER WEATHER ADVISORY MEANS THAT A PERIOD OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITY. USE EXTRA CAUTION WHILE DRIVING. PLEASE REPORT SNOW ACCUMULATIONS TO THE NATIONAL WEATHER SERVICE BY CALLING OUR TRAINED SPOTTER LINE...POSTING TO THE NWS MOUNT HOLLY FACEBOOK PAGE OR BY USING TWITTER. SNOWFALL AND ICE ACCUMULATION FORECAST MAPS IN ADDITION TO EXPERIMENTAL PROBABILISTIC SNOWFALL INFORMATION FOR THIS EVENT ARE AVAILABLE ONLINE AT WWW.WEATHER.GOV/PHI/WINTER && $$ IOVINO
488 WWUS41 KPHI 301041 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 541 AM EST MON JAN 30 2017 ...SNOW THIS MORNING... .LOW PRESSURE LOCATED OFF THE DELMARVA COAST EARLY THIS MORNING WILL MOVE OUT TO SEA TODAY. DEZ001-MDZ008-012-NJZ016>018-301145- /O.CAN.KPHI.WW.Y.0006.000000T0000Z-170130T1700Z/ NEW CASTLE-CECIL-KENT MD-SALEM-GLOUCESTER-CAMDEN- INCLUDING THE CITIES OF WILMINGTON, ELKTON, CHESTERTOWN, PENNSVILLE, GLASSBORO, CAMDEN, AND CHERRY HILL 541 AM EST MON JAN 30 2017 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE WINTER WEATHER ADVISORY. THERE COULD REMAIN SOME LIGHT SNOW THIS MORNING, BUT THE HEAVIEST OF THE ACCUMULATING SNOWFALL HAS ENDED ACROSS THE AREA AND SIGNIFICANT ACCUMULATIONS ARE NO LONGER EXPECTED. THEREFORE THE WINTER WEATHER ADVISORY HAS BEEN CANCELLED. UNTREATED SURFACES WILL REMAIN SLIPPERY WHERE SNOW FELL OVERNIGHT HOWEVER. THERE IS ALSO A POSSIBILITY FOR SNOW SHOWERS THIS AFTERNOON. $$ DEZ002>004-MDZ015-019-020-301700- /O.CON.KPHI.WW.Y.0006.000000T0000Z-170130T1700Z/ KENT-INLAND SUSSEX-DELAWARE BEACHES-QUEEN ANNES-TALBOT-CAROLINE- INCLUDING THE CITIES OF DOVER, GEORGETOWN, REHOBOTH BEACH, CENTREVILLE, EASTON, AND DENTON 541 AM EST MON JAN 30 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON EST TODAY... * LOCATIONS...NORTHEASTERN MARYLAND AND DELAWARE. * HAZARD TYPE...SNOW. * SNOW ACCUMULATIONS...GENERALLY 1 TO 3 INCHES. * TIMING...SNOW WILL CONTINUE EARLY THIS MORNING. THE STEADY SNOW IS EXPECTED TO COME TO AN END DURING THE MID TO LATE MORNING HOURS WITH SCATTERED SNOW SHOWERS LINGERING INTO THE AFTERNOON. * IMPACTS...THE HEAVY SNOW WILL CREATE SNOW COVERED ROADS AND PRODUCE SCATTERED POWER OUTAGES. * VISIBILITY...LESS THAN A HALF MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS WINTER WEATHER ADVISORY MEANS THAT A PERIOD OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITY. USE EXTRA CAUTION WHILE DRIVING. PLEASE REPORT SNOW ACCUMULATIONS TO THE NATIONAL WEATHER SERVICE BY CALLING OUR TRAINED SPOTTER LINE...POSTING TO THE NWS MOUNT HOLLY FACEBOOK PAGE OR BY USING TWITTER. SNOWFALL AND ICE ACCUMULATION FORECAST MAPS IN ADDITION TO EXPERIMENTAL PROBABILISTIC SNOWFALL INFORMATION FOR THIS EVENT ARE AVAILABLE ONLINE AT WWW.WEATHER.GOV/PHI/WINTER && $$ NJZ020>027-301700- /O.CON.KPHI.WW.Y.0006.000000T0000Z-170130T1700Z/ OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-ATLANTIC COASTAL CAPE MAY- COASTAL ATLANTIC-COASTAL OCEAN-SOUTHEASTERN BURLINGTON- INCLUDING THE CITIES OF JACKSON, MILLVILLE, HAMMONTON, CAPE MAY COURT HOUSE, OCEAN CITY, ATLANTIC CITY, LONG BEACH ISLAND, AND WHARTON STATE FOREST 541 AM EST MON JAN 30 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON EST TODAY... * LOCATION...SOUTHERN NEW JERSEY. * HAZARD TYPE...SNOW. * SNOW ACCUMULATIONS...UP TO 2 TO 4 INCHES. * TIMING...SNOW WILL CONTINUE EARLY THIS MORNING. THE STEADY SNOW IS EXPECTED TO COME TO AN END DURING THE MID TO LATE MORNING HOURS WITH SCATTERED SNOW SHOWERS LINGERING INTO THE AFTERNOON. * IMPACTS...THE HEAVY SNOW WILL CREATE SNOW COVERED ROADS AND PRODUCE SCATTERED POWER OUTAGES. * VISIBILITY...LESS THAN A HALF MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS WINTER WEATHER ADVISORY MEANS THAT A PERIOD OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITY. USE EXTRA CAUTION WHILE DRIVING. PLEASE REPORT SNOW ACCUMULATIONS TO THE NATIONAL WEATHER SERVICE BY CALLING OUR TRAINED SPOTTER LINE...POSTING TO THE NWS MOUNT HOLLY FACEBOOK PAGE OR BY USING TWITTER. SNOWFALL AND ICE ACCUMULATION FORECAST MAPS IN ADDITION TO EXPERIMENTAL PROBABILISTIC SNOWFALL INFORMATION FOR THIS EVENT ARE AVAILABLE ONLINE AT WWW.WEATHER.GOV/PHI/WINTER && $$
562 WWUS41 KPHI 301325 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 825 AM EST MON JAN 30 2017 DEZ002>004-MDZ015-019-020-NJZ020>027-301430- /O.CAN.KPHI.WW.Y.0006.000000T0000Z-170130T1700Z/ KENT-INLAND SUSSEX-DELAWARE BEACHES-QUEEN ANNES-TALBOT-CAROLINE- OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-ATLANTIC COASTAL CAPE MAY- COASTAL ATLANTIC-COASTAL OCEAN-SOUTHEASTERN BURLINGTON- INCLUDING THE CITIES OF DOVER, GEORGETOWN, REHOBOTH BEACH, CENTREVILLE, EASTON, DENTON, JACKSON, MILLVILLE, HAMMONTON, CAPE MAY COURT HOUSE, OCEAN CITY, ATLANTIC CITY, LONG BEACH ISLAND, AND WHARTON STATE FOREST 825 AM EST MON JAN 30 2017 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE WINTER WEATHER ADVISORY. SNOW CONTINUES TO RAPIDLY MOVE OFFSHORE WITH ANY ADDITIONAL ACCUMULATIONS ENDING. HOWEVER, CONTINUE TO USE SOME EXTRA CAUTION AS THERE MAY STILL BE SOME SLIPPERY CONDITIONS ON UNTREATED SURFACES FOR AWHILE LONGER. $$ GORSE
What forecasters said that day
The local office's own words before this winter weather advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Philadelphia/Mount Holly wrote its last area forecast discussion before this winter weather advisory went out at Jan 28, 9:41 PM EST, 5 hours 43 minutes earlier.
Area forecast discussion, Jan 28, 9:41 PM EST, 5 hours 43 minutes before
Area Forecast Discussion National Weather Service Mount Holly NJ 941 PM EST Sat Jan 28 2017 .SYNOPSIS... A cold front approaching from the northwest tonight and Sunday will move through the area Sunday night and Monday. Meanwhile, weak low pressure is expected to develop along this front near the Mid- Atlantic coast late Sunday night before moving quickly out to sea on Monday. The next clipper low will track from the Great Lakes to New England Monday night through Tuesday night. A few more weak disturbances will pass to our north during the second half of the work week while high pressure tries to build in from the west. A stronger storm system may organize over the Gulf Coast states early next weekend. && .NEAR TERM /UNTIL 6 AM SUNDAY MORNING/... The synoptic pattern will not change much tonight with a west to northwest flow sfc flow in place and a gradually deepening upper trough aloft. The axis of the trough is still to the west and a few short waves are pushing across the area ahead of it. Skies have started to clear out significantly across Delmarva and portions of southern New Jersey and into Southeastern Pennsylvania. As a result, temperatures have tanked at Millville where it was already 25 degrees at 9PM. Clouds will start to move back in late tonight. Otherwise, expect majority of the temperatures to dip into the 20s/low 30s overnight. Winds will diminish overnight to around 5 mph. && .SHORT TERM /6 AM SUNDAY MORNING THROUGH 6 PM SUNDAY/... Little change. A weak shortwave will cross Delmarva and srn NJ during the morning. This could bring some extra cloudiness at times. Overall, probably less clouds Sunday and less in the way of any flurries. Temperatures will climb a few degrees above normal, so mostly upper 30s/low 40s over the area. West winds will be a little gusty in the late morning and early afternoon. Gusts up to 20 mph are possible. && .LONG TERM /SUNDAY NIGHT THROUGH SATURDAY/... The large-scale pattern aloft will start out rather amplified, featuring a ridge along the southwestern U.S coast and trough over the eastern CONUS through Monday morning. The pattern then de- amplifies later Monday, becoming quasi-zonal across the CONUS for mid to late week, though there will still be a weak trough influencing the Great Lakes/Northeast states and upstream ridging favored over along the Rockies. Fast W-NW flow associated with the polar jet will feature an active storm track across the northern CONUS this week. A series of, mainly weak and moisture-starved clipper systems will bring several chances of light precipitation (mainly snow) to portions of the region through the end of the work week. The first clipper system is expected to pass through Sunday night and Monday. This system looks to contain a potent H5 vort max rounding the base of the longwave trough. 12Z models are showing enhanced lift ahead of this disturbance that would support a swath of light snow across roughly the southern half of the forecast area (SE PA, S half of NJ, Delmarva). The snow looks to move in mid to late evening Sunday and end Monday morning. Narrowing down the timing even further will be important to determine if the snow could impact the morning rush. The current thinking is that snow could linger past sunrise Monday morning toward coastal NJ/DE. Overall, there was good model agreement regarding the location and timing of the snow which allowed us to comfortably raise PoPs to likely south of the PA Turnpike/I-195. Snowfall accumulations will generally be an inch or less. However, some of the higher-res guidance (NAM/RGEM) were picking up on a mesoscale snow band resulting from enhanced frontogenetical lift just to the NW of the low. This is certainly a possibility as the low starts to deepen off the Delmarva coast. The latest snowfall graphic that was sent to the web this afternoon highlights a swath of 0.5-1.5” over a broader area due to uncertainty in the placement of this mesoscale snow band. Accordingly, the higher accumulations will likely fall over a much smaller area and isolated spots may potentially pick up just over 2”. NW flow/CAA pattern behind the departing clipper system will result in seasonably cold temperatures on Monday with highs in the 30s. Winds will back out the SW ahead of the next clipper system Monday night into Tuesday. This system will be stronger and track farther north than the previous one. The northern half of the CWA is favored to see precipitation for this event late Monday night into Tuesday. With the track of the surface low being to our north, snow likely mixes with and then changes to rain from south to north during the day on Tuesday. Higher elevations north of I-78 and west of I-287 will likely remain cold enough to remain as snow. Sub-advisory snowfall accumulations is the most likely outcome from this moist- starved clipper. At least two more weak disturbances are forecast to move eastward across the Great Lakes and Northeast states during the Tuesday night-Thursday time frame. The bulk of the lift and associated precipitation from these systems appear to reside north of the forecast area. Slight chance PoPs are confined to the I-80 corridor, while the rest of the forecast was kept dry with high pressure nosing in from west. The storm track looks to shift southward toward the Gulf Coast and Southeast states late in the week into next weekend. The pattern aloft appears to be rather flat during this time which would favor a progressive/suppressed track to our south. However, we will have to monitor for possible phasing of southern/northern streams in a developing split flow pattern, which could result in a stronger storm system tracking farther north sometime next weekend. && .AVIATION /03Z SUNDAY THROUGH THURSDAY/... The following discussion is for KPHL, KPNE, KTTN, KABE, KRDG, KILG, KMIV, KACY and surrounding areas. Tonight...VFR conditions will continue through the TAF period. Clouds have cleared at KMIV, KACY, KILG, and KPHL. Additional clearing may occur at the remaining terminals through 04Z. Clouds will start to filter back into the region late tonight towards daybreak. Winds have lost their gustiness and will continue to drop off tonight, going calm in many spots. Sunday...the day will begin mostly sunny, then clouds will increase late. Winds will become a bit gusty by mid- morning but will drop off by late afternoon/early evening. OUTLOOK... Sunday night and Monday morning...Light snow likely from PHL southward late Sunday evening through early Monday morning. Widespread MVFR restrictions likely across these southern terminals. A small band of steadier/heavier snow could bring more localized IFR (perhaps briefly LIFR) restrictions. Still uncertain where this band sets up, but it will most likely be closer to ILG- MIV-ACY. Improving to VFR as the snow ends from west to east Monday morning. Monday afternoon and night...Predominately VFR. NW winds 10-15 kt with gusts to 20-25 kt during the afternoon. Tuesday...Chance of snow showers, particularly across northern terminals (RDG-ABE-TTN). Snow should mix with and then changeover to rain from S to N during the late morning and afternoon. Sub-VFR would be likely where it's snowing. Mainly VFR across southern terminals. Breezy SW winds developing, especially over the southern terminals where gusts 25-30kt are possible. Tuesday night through Thursday...Mainly VFR. && .MARINE... Winds and seas have fallen below Small Craft Advisory levels and we have gone ahead and cancelled the current advisory. Winds will remain out of the west or southwest around 10 to 15 knots. Seas will stay around 2 to 4 feet. OUTLOOK... Sunday night through Monday morning...Winds and seas below SCA criteria. Monday afternoon and Monday evening...Northwest winds increase. SCA will likely be required with gusts around 25 kt. Late Monday night...Winds and seas below SCA criteria. Tuesday...Winds turn SW and increase during the day Tuesday. Despite shallow mixing profiles, winds near 30 kt only a few hundred feet off the surface should be able to mix down. There is a chance for gale-force gusts in the coastal waters if deeper mixing develops as 35-40 kt winds are forecast to be only about 1000 ft AGL. Capped gusts below gale force for now but will highlight potential in HWO. Tuesday night through Thursday...Winds turn Wly behind a fropa. An extended period of SCA possible midweek with gusts to 25 kt, especially over the coastal Atlantic waters. && .PHI WATCHES/WARNINGS/ADVISORIES... PA...None. NJ...None. DE...None. MD...None. MARINE...None. && Synopsis...Klein Near Term...Meola/O'Hara Short Term...O'Hara Long Term...Klein Aviation...Klein/Meola/O'Hara Marine...Klein/Meola/O'Hara
Hazardous weather outlook, Jan 28, 4:01 PM EST, 11 hours 23 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 401 PM EST SAT JAN 28 2017 NJZ001-007>010-012>015-PAZ054-055-060>062-103-105-106-292115- SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-WESTERN MONMOUTH- EASTERN MONMOUTH-MERCER-CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON- WESTERN MONTGOMERY-UPPER BUCKS-LOWER BUCKS- 401 PM EST SAT JAN 28 2017 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NEW JERSEY...NORTHERN NEW JERSEY...NORTHWEST NEW JERSEY...EAST CENTRAL PENNSYLVANIA...NORTHEAST PENNSYLVANIA AND SOUTHEAST PENNSYLVANIA. .DAY ONE...THIS AFTERNOON AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. LIGHT SNOWFALL ACCUMULATIONS ARE LIKELY TUESDAY...PARTICULARLY AT HIGHER ELEVATIONS IN NORTHEASTERN PENNSYLVANIA AND NORTHWESTERN NEW JERSEY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. DEZ001>004-MDZ008-012-015-019-020-NJZ016>027-PAZ070-071-101-102-104- 292115- NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD- QUEEN ANNES-TALBOT-CAROLINE-SALEM-GLOUCESTER-CAMDEN- NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY- ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN- SOUTHEASTERN BURLINGTON-DELAWARE-PHILADELPHIA-WESTERN CHESTER- EASTERN CHESTER-EASTERN MONTGOMERY- 401 PM EST SAT JAN 28 2017 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL DELAWARE...NORTHERN DELAWARE...SOUTHERN DELAWARE...NORTHEAST MARYLAND...SOUTHERN NEW JERSEY AND SOUTHEAST PENNSYLVANIA. .DAY ONE...THIS AFTERNOON AND TONIGHT. HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. LIGHT SNOWFALL ACCUMULATIONS ARE LIKELY ACROSS SOUTHEASTERN PENNSYLVANIA, SOUTHERN NEW JERSEY AND THE DELMARVA REGION SUNDAY NIGHT. THE SNOW MAY LINGER A BIT LATER INTO MONDAY MORNING, ESPECIALLY NEAR THE COAST, WHICH COULD IMPACT THE MORNING COMMUTE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. ANZ430-431-450>455-292115- DELAWARE BAY WATERS NORTH OF EAST POINT NJ TO SLAUGHTER BEACH DE- DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE- COASTAL WATERS FROM SANDY HOOK TO MANASQUAN INLET NJ OUT 20 NM- COASTAL WATERS FROM MANASQUAN INLET TO LITTLE EGG INLET NJ OUT 20 NM- COASTAL WATERS FROM LITTLE EGG INLET TO GREAT EGG INLET NJ OUT 20 NM- COASTAL WATERS FROM GREAT EGG INLET TO CAPE MAY NJ OUT 20 NM- COASTAL WATERS FROM CAPE MAY NJ TO CAPE HENLOPEN DE OUT 20 NM- COASTAL WATERS FROM CAPE HENLOPEN TO FENWICK ISLAND DE OUT 20 NM- 401 PM EST SAT JAN 28 2017 THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS AND DELAWARE BAY WATERS. .DAY ONE...THIS AFTERNOON AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. SOUTHWESTERLY WIND GUSTS MAY REACH GALE FORCE ON TUESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 29, 3:25 AM EST | Small Craft Advisory | PHI | 3 days | |
| Jan 29, 3:44 PM EST | Gale Watch | PHI | 24 hr |
Nearby
Winter Weather Advisories in New Jersey, 2017Winter Weather Advisories in Maryland, 2017Winter Weather Advisories in Delaware, 2017Every winter weather advisory 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.