Alert archive / New Jersey / Frost Advisories in 2013
Frost Advisory 7, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this frost advisory at May 13, 2013, 3:08 PM EDT for 8 counties in New Jersey; 6 counties in Pennsylvania. It took effect at May 14, 2013, 2:00 AM EDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- May 13, 2013, 3:08 PM EDT (19:08 UTC)
- In effect from
- May 14, 2013, 2:00 AM EDT
- Expired
- May 14, 2013, 8:00 AM EDT
- In force
- 6 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties Atlantic County, NJ, Burlington County, NJ, Cumberland County, NJ, Hunterdon County, NJ, Morris County, NJ, Ocean County, NJ, Somerset County, NJ, Warren County, NJ, Berks County, PA, Bucks County, PA, Chester County, PA, Lehigh County, PA, Montgomery County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 65 km from the middle of the area, began a volume at 19:06 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, 7.1 hours before the alert went out and 125 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
- 1592 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- -15 m²/s²
- 0-3 km storm-relative helicity
- 35 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
999 WWUS71 KPHI 131908 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 308 PM EDT MON MAY 13 2013 NJZ001-PAZ054-055-141200- /O.CON.KPHI.FZ.W.0001.130514T0600Z-130514T1200Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 308 PM EDT MON MAY 13 2013 ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 8 AM EDT TUESDAY... * LOCATIONS...THE POCONOS AND SUSSEX COUNTY OF EXTREME NORTHWEST NEW JERSEY. * LOW TEMPERATURES TUESDAY MORNING...AROUND 30 DEGREES. * TIMING...MOST VULNERABLE PERIOD FOR FROST OR FREEZING TEMPERATURES IS 2 AM TO SUNRISE. * IMPACTS...EXTENSIVE DAMAGE TO SENSITIVE OUTDOOR AND SUMMER PLANTS THAT ARE NOT PROTECTED LATE TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. IF POSSIBLE, BRING SUSCEPTIBLE PLANTS INDOORS. && $$ NJZ007>010-020>022-027-PAZ060>062-101-103-105-141200- /O.NEW.KPHI.FR.Y.0007.130514T0600Z-130514T1200Z/ WARREN-MORRIS-HUNTERDON-SOMERSET-OCEAN-CUMBERLAND-ATLANTIC- SOUTHEASTERN BURLINGTON-BERKS-LEHIGH-NORTHAMPTON-WESTERN CHESTER- WESTERN MONTGOMERY-UPPER BUCKS- INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...FLEMINGTON... SOMERVILLE...JACKSON...MILLVILLE...HAMMONTON... WHARTON STATE FOREST...READING...ALLENTOWN...BETHLEHEM...EASTON... HONEY BROOK...OXFORD...COLLEGEVILLE...POTTSTOWN...CHALFONT... PERKASIE 308 PM EDT MON MAY 13 2013 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM EDT TUESDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 8 AM EDT TUESDAY. * LOW TEMPERATURES TUESDAY MORNING...MAINLY IN THE MID 30S. SOME FREEZING TEMPERATURES ARE POSSIBLE IN NORMALLY COLDER PLACES. * TIMING...MOST VULNERABLE PERIOD FOR FROST IS 2 AM TO SUNRISE. * IMPACTS...DAMAGE TO SENSITIVE OUTDOOR PLANTS AS WELL AS SUMMER FRUITS AND VEGETABLES ARE LIKELY IF NOT ADEQUATELY PROTECTED LATE TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. WHERE POSSIBLE BRING SENSITIVE PLANTS INDOORS. OTHERWISE, TRY COVERING WITH PLASTIC, SOAKING WITH WATER, GENERATING WIND OR USING OTHER PROTECTIVE DEVICES SUCH AS BUT NOT LIMITED TO WALL OF WATER TO PREVENT FROST FROM FORMING. && $$
1 follow-up statement
303 WWUS71 KPHI 141222 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 822 AM EDT TUE MAY 14 2013 NJZ001-PAZ054-055-141330- /O.EXP.KPHI.FZ.W.0001.000000T0000Z-130514T1200Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 822 AM EDT TUE MAY 14 2013 ...FREEZE WARNING HAS EXPIRED... FREEZING TEMPERATURES OCCURRED THROUGHOUT THE FREEZE WARNING AREA OF FAR NORTHWEST NEW JERSEY INTO THE POCONOS OF PENNSYLVANIA EARLY THIS MORNING...AND IN SOME PLACES FOR SEVERAL HOURS. LOWS RANGED FROM THE UPPER 20S TO LOWER 30S. $$ NJZ007>010-020>022-027-PAZ060>062-101-103-105-141330- /O.EXP.KPHI.FR.Y.0007.000000T0000Z-130514T1200Z/ WARREN-MORRIS-HUNTERDON-SOMERSET-OCEAN-CUMBERLAND-ATLANTIC- SOUTHEASTERN BURLINGTON-BERKS-LEHIGH-NORTHAMPTON-WESTERN CHESTER- WESTERN MONTGOMERY-UPPER BUCKS- INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...FLEMINGTON... SOMERVILLE...JACKSON...MILLVILLE...HAMMONTON... WHARTON STATE FOREST...READING...ALLENTOWN...BETHLEHEM...EASTON... HONEY BROOK...OXFORD...COLLEGEVILLE...POTTSTOWN...CHALFONT... PERKASIE 822 AM EDT TUE MAY 14 2013 ...FROST ADVISORY HAS EXPIRED... FROST OCCURRED IN MANY PORTIONS OF THIS ADVISORY AREA EARLY THIS MORNING WITH SPOTTY FREEZING TEMPERATURES IN THE LOWER 30S AS WELL. $$ DRAG
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 13, 4:06 AM EDT | Freeze Warning | PHI | Sussex | 28 hr |
| May 13, 12:55 PM EDT | Small Craft Advisory | PHI | 8 hr |
Nearby
Frost Advisories in New Jersey, 2013Frost Advisories in Pennsylvania, 2013Every frost advisory in 2013
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.