Alert archive / Maryland / Frost Advisories in 2016
Frost Advisory 14, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this frost advisory at Nov 7, 2016, 3:42 PM EST for 4 states. It took effect at Nov 8, 2016, 2:00 AM EST. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Nov 7, 2016, 3:42 PM EST (20:42 UTC)
- In effect from
- Nov 8, 2016, 2:00 AM EST
- Expired
- Nov 8, 2016, 8:00 AM EST
- In force
- 6 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, Cape May County, NJ, Chester County, PA, Delaware County, PA
The radar
The Dover AFB radar (KDOX), 52 km from the middle of the area, began a volume at 20:43 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 12:00Z, 8.7 hours before the alert went out and 149 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
- 1364 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
029 WWUS71 KPHI 072042 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 342 PM EST MON NOV 7 2016 DEZ001-MDZ008-012-PAZ101-102-081200- /O.NEW.KPHI.FR.Y.0014.161108T0700Z-161108T1200Z/ NEW CASTLE-CECIL-KENT MD-WESTERN CHESTER-EASTERN CHESTER- INCLUDING THE CITIES OF...WILMINGTON...ELKTON...CHESTERTOWN... HONEY BROOK...OXFORD...WEST CHESTER...KENNETT SQUARE 342 PM EST MON NOV 7 2016 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 7 AM EST TUESDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 7 AM EST TUESDAY. * LOCATIONS...THE TYPICALLY PRONE LOCATIONS OUTSIDE OF THE URBAN CENTERS AND FURTHER INLAND FROM THE BAYS IN NORTHEASTERN MARYLAND, NORTHERN DELAWARE AND FAR SOUTHEASTERN PENNSYLVANIA. * TEMPERATURES...MIDDLE 30S. * IMPACTS...SENSITIVE PLANTS AND CROPS MAY BE DAMAGED OR KILLED BY THE FROST. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT WIDESPREAD FROST IS EXPECTED. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ FRANCK
4 follow-up statements
595 WWUS71 KPHI 072106 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 406 PM EST MON NOV 7 2016 PAZ101-102-072215- /O.CAN.KPHI.FR.Y.0014.161108T0700Z-161108T1200Z/ WESTERN CHESTER-EASTERN CHESTER- INCLUDING THE CITIES OF...HONEY BROOK...OXFORD...WEST CHESTER... KENNETT SQUARE 406 PM EST MON NOV 7 2016 ...FROST ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE FROST ADVISORY. THE GROWING SEASON HAS ENDED IN CHESTER COUNTY, THUS THE FROST ADVISORY IS CANCELLED. $$ PAZ070-081200- /O.EXA.KPHI.FR.Y.0014.161108T0700Z-161108T1200Z/ DELAWARE- INCLUDING THE CITY OF...MEDIA 406 PM EST MON NOV 7 2016 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 7 AM EST TUESDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 7 AM EST TUESDAY. * LOCATIONS...THE TYPICALLY PRONE LOCATIONS OUTSIDE OF THE URBAN CENTERS IN FAR SOUTHEASTERN PENNSYLVANIA. * TEMPERATURES...MIDDLE 30S. * IMPACTS...SENSITIVE PLANTS AND CROPS MAY BE DAMAGED OR KILLED BY THE FROST. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT WIDESPREAD FROST IS EXPECTED. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ DEZ001-MDZ008-012-081200- /O.CON.KPHI.FR.Y.0014.161108T0700Z-161108T1200Z/ NEW CASTLE-CECIL-KENT MD- INCLUDING THE CITIES OF...WILMINGTON...ELKTON...CHESTERTOWN 406 PM EST MON NOV 7 2016 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 7 AM EST TUESDAY... * LOCATIONS...THE TYPICALLY PRONE LOCATIONS OUTSIDE OF THE URBAN CENTERS AND FURTHER INLAND FROM THE BAYS IN NORTHEASTERN MARYLAND AND NORTHERN DELAWARE. * TEMPERATURES...MIDDLE 30S. * IMPACTS...SENSITIVE PLANTS AND CROPS MAY BE DAMAGED OR KILLED BY THE FROST. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT WIDESPREAD FROST IS EXPECTED. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ FRANCK
240 WWUS71 KPHI 080106 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 806 PM EST MON NOV 7 2016 DEZ002-003-MDZ015-019-020-NJZ023-081300- /O.EXB.KPHI.FR.Y.0014.161108T0700Z-161108T1300Z/ KENT-INLAND SUSSEX-QUEEN ANNES-TALBOT-CAROLINE-CAPE MAY- INCLUDING THE CITIES OF...DOVER...GEORGETOWN...CENTREVILLE... EASTON...DENTON...CAPE MAY COURT HOUSE 806 PM EST MON NOV 7 2016 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM EST TUESDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 8 AM EST TUESDAY. * LOCATIONS...PORTIONS OF DELAWARE, PORTIONS OF THE EASTERN SHORE OF MARYLAND, AS WELL AS PORTIONS OF FAR SOUTHERN NEW JERSEY. * TEMPERATURES...IN THE LOW TO MID 30S. * IMPACTS...SENSITIVE PLANTS AND CROPS MAY BE DAMAGED OR KILLED BY THE FROST. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT WIDESPREAD FROST IS EXPECTED. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ DEZ001-MDZ008-012-PAZ070-081300- /O.EXT.KPHI.FR.Y.0014.161108T0700Z-161108T1300Z/ NEW CASTLE-CECIL-KENT MD-DELAWARE- INCLUDING THE CITIES OF...WILMINGTON...ELKTON...CHESTERTOWN... MEDIA 806 PM EST MON NOV 7 2016 ...FROST ADVISORY NOW IN EFFECT FROM 2 AM TO 8 AM EST TUESDAY... * LOCATIONS...THE TYPICALLY PRONE LOCATIONS OUTSIDE OF THE URBAN CENTERS AND FURTHER INLAND FROM THE BAYS IN NORTHEASTERN MARYLAND AND NORTHERN DELAWARE. * TEMPERATURES...IN THE LOW TO MID 30S. * IMPACTS...SENSITIVE PLANTS AND CROPS MAY BE DAMAGED OR KILLED BY THE FROST. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT WIDESPREAD FROST IS EXPECTED. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$
209 WWUS71 KPHI 080844 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 344 AM EST TUE NOV 8 2016 DEZ001>003-MDZ008-012-015-019-020-NJZ023-PAZ070-081300- /O.CON.KPHI.FR.Y.0014.000000T0000Z-161108T1300Z/ NEW CASTLE-KENT-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES-TALBOT- CAROLINE-CAPE MAY-DELAWARE- INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN... ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON... CAPE MAY COURT HOUSE...MEDIA 344 AM EST TUE NOV 8 2016 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EST THIS MORNING... * LOCATIONS...PORTIONS OF DELAWARE... PORTIONS OF THE EASTERN SHORE OF MARYLAND... AS WELL AS PORTIONS OF FAR SOUTHERN NEW JERSEY. * TEMPERATURES...LOWS EARLY THIS MORNING MOSTLY 30 TO 35 DEGREES. * IMPACTS...SENSITIVE PLANTS AND CROPS MAY BE DAMAGED OR KILLED BY THE FROST. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT WIDESPREAD FROST IS EXPECTED. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$
582 WWUS71 KPHI 081251 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 751 AM EST TUE NOV 8 2016 DEZ001>003-MDZ008-012-015-019-020-NJZ023-PAZ070-081400- /O.EXP.KPHI.FR.Y.0014.000000T0000Z-161108T1300Z/ NEW CASTLE-KENT-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES-TALBOT- CAROLINE-CAPE MAY-DELAWARE- INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN... ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON... CAPE MAY COURT HOUSE...MEDIA 751 AM EST TUE NOV 8 2016 ...FROST ADVISORY WILL EXPIRE AT 8 AM EST THIS MORNING... TEMPERATURES IN THE ADVISORY AREA ARE RISING INTO THE UPPER 30S... THEREFORE...THE FROST ADVISORY WILL BE ALLOWED TO EXPIRE AT 8AM THIS MORNING. $$ FRANCK
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 7, 3:39 PM EST | Small Craft Advisory for Hazardous Seas | PHI | 35 hr |
Nearby
Frost Advisories in Maryland, 2016Frost Advisories in Delaware, 2016Frost Advisories in Pennsylvania, 2016Every frost advisory in 2016
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.