Alert archive / Pennsylvania / Frost Advisories in 2013
Frost Advisory 9, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this frost advisory at Sep 17, 2013, 3:16 AM EDT for Carbon County, Monroe County, Northampton County, Pennsylvania; Sussex County, Warren County, New Jersey. It took effect at Sep 18, 2013, 2:00 AM EDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Sep 17, 2013, 3:16 AM EDT (07:16 UTC)
- In effect from
- Sep 18, 2013, 2:00 AM EDT
- Expired
- Sep 18, 2013, 8:00 AM EDT
- In force
- 6 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties Sussex County, NJ, Warren County, NJ, Carbon County, PA, Monroe County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 130 km from the middle of the area, began a volume at 07:21 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 00:00Z, 7.3 hours before the alert went out and 197 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
- 14 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 1218 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- -108 m²/s²
- 0-3 km storm-relative helicity
- -51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
055 WWUS71 KPHI 170716 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 316 AM EDT TUE SEP 17 2013 NJZ001-007-PAZ054-055-062-172100- /O.NEW.KPHI.FR.Y.0009.130918T0600Z-130918T1300Z/ SUSSEX-WARREN-CARBON-MONROE-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...JIM THORPE... STROUDSBURG...BETHLEHEM...EASTON 316 AM EDT TUE SEP 17 2013 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 9 AM EDT WEDNESDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 9 AM EDT WEDNESDAY. * TEMPERATURES...IN THE MID TO LOWER 30S. * TIMING...LATE TUESDAY NIGHT INTO WEDNESDAY MORNING. * IMPACTS...POTENTIAL DAMAGE TO SENSITIVE PLANTS AND VEGETATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$
3 follow-up statements
104 WWUS71 KPHI 171916 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 316 PM EDT TUE SEP 17 2013 ...AREAS OF FROST LATE TONIGHT AND EARLY WEDNESDAY... .A STRONG AREA OF HIGH PRESSURE WILL CONTINUE TO SETTLE OVER OUR REGION LATE TONIGHT. A CLEAR SKY, VERY DRY AIR AND LIGHT TO CALM WINDS ASSOCIATED WITH THIS HIGH WILL SET THE STAGE FOR FROST FORMATION. NJZ001-007-PAZ054-055-062-180900- /O.CON.KPHI.FR.Y.0009.130918T0600Z-130918T1300Z/ SUSSEX-WARREN-CARBON-MONROE-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...JIM THORPE... STROUDSBURG...BETHLEHEM...EASTON 316 PM EDT TUE SEP 17 2013 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT WEDNESDAY... * TEMPERATURES...DROPPING TO THE MID 30S TOWARD DAYBREAK. * IMPACTS...POTENTIAL DAMAGE TO SENSITIVE PLANTS AND VEGETATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... THOSE WITH AGRICULTURAL OR GARDENING INTERESTS SHOULD PROTECT SENSITIVE CROPS AND VEGETATION. POTTED PLANTS NORMALLY LEFT OUTSIDE SHOULD BE COVERED OR MOVED INDOORS. && $$ GORSE/MEOLA
043 WWUS71 KPHI 180745 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 345 AM EDT WED SEP 18 2013 NJZ001-007-PAZ054-055-062-181200- /O.EXT.KPHI.FR.Y.0009.000000T0000Z-130918T1200Z/ SUSSEX-WARREN-CARBON-MONROE-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...JIM THORPE... STROUDSBURG...BETHLEHEM...EASTON 345 AM EDT WED SEP 18 2013 ...FROST ADVISORY NOW IN EFFECT UNTIL 8 AM EDT THIS MORNING... * TEMPERATURES...SOME MID TO UPPER 30S EARLY THIS MORNING. * IMPACTS...POTENTIAL DAMAGE TO SENSITIVE PLANTS AND VEGETATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... THOSE WITH AGRICULTURAL OR GARDENING INTERESTS SHOULD PROTECT SENSITIVE CROPS AND VEGETATION. POTTED PLANTS NORMALLY LEFT OUTSIDE SHOULD BE ALREADY COVERED OR MOVED INDOORS. && $$
095 WWUS71 KPHI 181211 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 811 AM EDT WED SEP 18 2013 NJZ001-007-PAZ054-055-062-181315- /O.EXP.KPHI.FR.Y.0009.000000T0000Z-130918T1200Z/ SUSSEX-WARREN-CARBON-MONROE-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...JIM THORPE... STROUDSBURG...BETHLEHEM...EASTON 811 AM EDT WED SEP 18 2013 ...FROST ADVISORY HAS EXPIRED... TEMPERATURES HAVE RISEN INTO THE 40S AND WILL CONTINUE TO RISE STEADILY THROUGH THE DAY. THEREFORE THE FROST ADVISORY WAS ALLOWED TO EXPIRE. $$ ROBERTSON
Nearby
Frost Advisories in Pennsylvania, 2013Frost Advisories in New Jersey, 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.