Alert archive / Maryland / Frost Advisories in 2016
Frost Advisory 3, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this frost advisory at Apr 13, 2016, 6:30 PM EDT for 4 states. It took effect at Apr 14, 2016, 12:00 AM EDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Apr 13, 2016, 6:30 PM EDT (22:30 UTC)
- In effect from
- Apr 14, 2016, 12:00 AM EDT
- Expired
- Apr 14, 2016, 7:44 AM EDT
- 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, Mercer County, NJ, Bucks County, PA, Chester County, PA, Montgomery County, PA
The radar
The Dover AFB radar (KDOX), 73 km from the middle of the area, began a volume at 22:33 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
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 10.5 hours before the alert went out and 40 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
- 1389 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- -23 m²/s²
- 0-3 km storm-relative helicity
- 1 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
512 WWUS71 KPHI 132230 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 630 PM EDT WED APR 13 2016 NJZ001-007>010-012-013-016>023-027-PAZ060>062-101-103-105-141200- /O.UPG.KPHI.FR.Y.0002.160414T0400Z-160414T1200Z/ /O.NEW.KPHI.FZ.W.0006.160414T0400Z-160414T1200Z/ SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX- WESTERN MONMOUTH-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON- OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-SOUTHEASTERN BURLINGTON-BERKS- LEHIGH-NORTHAMPTON-WESTERN CHESTER-WESTERN MONTGOMERY-UPPER BUCKS- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN... FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...FREEHOLD...PENNSVILLE... GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY... JACKSON...MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE... WHARTON STATE FOREST...READING...ALLENTOWN...BETHLEHEM...EASTON... HONEY BROOK...OXFORD...COLLEGEVILLE...POTTSTOWN...CHALFONT... PERKASIE 630 PM EDT WED APR 13 2016 ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT THURSDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT THURSDAY. THE FROST ADVISORY IS NO LONGER IN EFFECT. * TEMPERATURES...IN THE UPPER 20S TO LOW 30S. * TIMING...BETWEEN MIDNIGHT AND 8 AM THURSDAY. * IMPACTS...SENSITIVE PLANTS COULD BE DAMAGED OR KILLED IF NOT PROTECTED OR BROUGHT INSIDE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ DEZ001>003-MDZ008-012-015-019-020-NJZ015-PAZ102-104-106-141200- /O.NEW.KPHI.FR.Y.0003.160414T0400Z-160414T1200Z/ NEW CASTLE-KENT-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES-TALBOT- CAROLINE-MERCER-EASTERN CHESTER-EASTERN MONTGOMERY-LOWER BUCKS- INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN... ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON...TRENTON... WEST CHESTER...KENNETT SQUARE...NORRISTOWN...LANSDALE... MORRISVILLE...DOYLESTOWN 630 PM EDT WED APR 13 2016 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT THURSDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT THURSDAY. * TEMPERATURES...IN THE LOW TO MID 30S. * TIMING...BETWEEN MIDNIGHT AND 8 AM THURSDAY. * IMPACTS...SENSITIVE PLANTS COULD BE DAMAGED OR KILLED IF NOT PROTECTED OR BROUGHT INSIDE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT WIDESPREAD FROST IS EXPECTED. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$
2 follow-up statements
946 WWUS71 KPHI 140840 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 440 AM EDT THU APR 14 2016 NJZ001-007>010-012-013-016>023-027-PAZ060>062-101-103-105-141200- /O.CON.KPHI.FZ.W.0006.000000T0000Z-160414T1200Z/ SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX- WESTERN MONMOUTH-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON- OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-SOUTHEASTERN BURLINGTON-BERKS- LEHIGH-NORTHAMPTON-WESTERN CHESTER-WESTERN MONTGOMERY-UPPER BUCKS- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN... FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...FREEHOLD...PENNSVILLE... GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY... JACKSON...MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE... WHARTON STATE FOREST...READING...ALLENTOWN...BETHLEHEM...EASTON... HONEY BROOK...OXFORD...COLLEGEVILLE...POTTSTOWN...CHALFONT... PERKASIE 440 AM EDT THU APR 14 2016 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... * TEMPERATURES...IN THE UPPER 20S AND LOWER 30S EARLY THIS MORNING. * IMPACTS...SENSITIVE PLANTS WILL BE DAMAGED OR KILLED IF NOT PROTECTED OR BROUGHT INSIDE. * OUTLOOK...FREEZE WARNINGS AND FROST ADVISORIES MAY BE NEEDED AGAIN LATE TONIGHT AND EARLY FRIDAY MORNING WITH FORECAST MINIMUM TEMPERATURES IN THE LOWER AND MIDDLE 30S. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ DEZ001>003-MDZ008-012-015-019-020-NJZ015-PAZ102-104-106-141200- /O.CON.KPHI.FR.Y.0003.000000T0000Z-160414T1200Z/ NEW CASTLE-KENT-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES-TALBOT- CAROLINE-MERCER-EASTERN CHESTER-EASTERN MONTGOMERY-LOWER BUCKS- INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN... ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON...TRENTON... WEST CHESTER...KENNETT SQUARE...NORRISTOWN...LANSDALE... MORRISVILLE...DOYLESTOWN 440 AM EDT THU APR 14 2016 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... * TEMPERATURES...IN THE MID 30S EARLY THIS MORNING. * IMPACTS...FROST-SENSITIVE PLANTS COULD BE DAMAGED OR KILLED IF NOT PROTECTED OR BROUGHT INSIDE. * OUTLOOK...FROST ADVISORIES MAY BE NEEDED AGAIN LATE TONIGHT AND EARLY FRIDAY MORNING WITH FORECAST MINIMUM TEMPERATURES IN THE MIDDLE 30S. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT WIDESPREAD FROST IS EXPECTED. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ JRK
241 WWUS71 KPHI 141144 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 744 AM EDT THU APR 14 2016 NJZ001-007>010-012-013-016>023-027-PAZ060>062-101-103-105-141245- /O.CAN.KPHI.FZ.W.0006.000000T0000Z-160414T1200Z/ SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX- WESTERN MONMOUTH-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON- OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-SOUTHEASTERN BURLINGTON-BERKS- LEHIGH-NORTHAMPTON-WESTERN CHESTER-WESTERN MONTGOMERY-UPPER BUCKS- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN... FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...FREEHOLD...PENNSVILLE... GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY... JACKSON...MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE... WHARTON STATE FOREST...READING...ALLENTOWN...BETHLEHEM...EASTON... HONEY BROOK...OXFORD...COLLEGEVILLE...POTTSTOWN...CHALFONT... PERKASIE 744 AM EDT THU APR 14 2016 ...FREEZE WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE FREEZE WARNING. TEMPERATURES ACROSS THE WARNING AREA HAVE RISEN ABOVE THE FREEZING MARK. THEREFORE, THE FREEZE WARNING HAS BEEN CANCELLED.. $$ DEZ001>003-MDZ008-012-015-019-020-NJZ015-PAZ102-104-106-141245- /O.CAN.KPHI.FR.Y.0003.000000T0000Z-160414T1200Z/ NEW CASTLE-KENT-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES-TALBOT- CAROLINE-MERCER-EASTERN CHESTER-EASTERN MONTGOMERY-LOWER BUCKS- INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN... ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON...TRENTON... WEST CHESTER...KENNETT SQUARE...NORRISTOWN...LANSDALE... MORRISVILLE...DOYLESTOWN 744 AM EDT THU APR 14 2016 ...FROST ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE FROST ADVISORY. TEMPERATURES ACROSS THE ADVISORY AREA HAVE RISEN ABOVE THE FREEZING MARK. THEREFORE, THE FROST ADVISORY HAS BEEN CANCELLED. $$ MEOLA
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 3:28 PM EDT | Frost Advisory | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 3 hr |
| Apr 13, 6:30 PM EDT | Freeze Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 13 hr |
| Apr 13, 3:19 AM EDT | Frost Advisory | PHI | Atlantic, Burlington, Camden, Gloucester, Monmouth, Ocean | 5 hr |
| Apr 13, 12:37 PM EDT | Small Craft Advisory | PHI | 4 days |
Nearby
Frost Advisories in Maryland, 2016Frost Advisories in Pennsylvania, 2016Frost Advisories in Delaware, 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.