Alert archive / Pennsylvania / Frost Advisories in 2008
Frost Advisory 4, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this frost advisory at May 28, 2008, 8:07 PM EDT for Carbon County, Monroe County, Pennsylvania; Sussex County, New Jersey. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- May 28, 2008, 8:07 PM EDT (00:07 UTC)
- Expired
- May 29, 2008, 6:00 AM EDT
- In force
- 10 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties Sussex County, NJ, Carbon County, PA, Monroe County, PA
The radar
The Philadelphia radar (KDIX), 140 km from the middle of the area, began a volume at 00:08 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, 0.1 hours before the alert went out and 201 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
- 1793 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS71 KPHI 290007 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 807 PM EDT WED MAY 28 2008 NJZ001-PAZ054-055-290815- /O.NEW.KPHI.FR.Y.0004.080529T0007Z-080529T1000Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 807 PM EDT WED MAY 28 2008 ...FROST ADVISORY IN EFFECT UNTIL 6 AM EDT THURSDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT UNTIL 6 AM EDT THURSDAY. CLEAR SKIES COMBINED WITH LIGHT WINDS AND A VERY COOL AIRMASS IN PLACE WILL ALLOW TEMPERATURES TO DROP TO THE MIDDLE AND UPPER 30S BY SUNRISE. THIS WILL ALLOW AREAS OF FROST TO FORM, MAINLY IN THE NORMALLY COLDER AREAS. HOWEVER, NOT ALL AREAS WILL SEE THE FROST. A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. $$ RNS
2 follow-up statements
000 WWUS71 KPHI 290654 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 254 AM EDT THU MAY 29 2008 NJZ001-PAZ054-055-291000- /O.CON.KPHI.FR.Y.0004.000000T0000Z-080529T1000Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 254 AM EDT THU MAY 29 2008 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 6 AM EDT EARLY THIS MORNING... A FROST ADVISORY REMAINS IN EFFECT UNTIL 6 AM EDT EARLY THIS MORNING. CLEAR SKIES COMBINED WITH LIGHT WINDS AND A VERY COOL AIRMASS IN PLACE HAVE PERMITTED SOME TEMPERATURES TO DROP TO THE MIDDLE AND UPPER 30S. THIS WILL ALLOW AREAS OF FROST TO FORM...MAINLY IN THE NORMALLY COLDER AREAS. A FROST ADVISORY MEANS THAT FROST IS LIKELY. SENSITIVE AND YOUNG OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. $$
000 WWUS71 KPHI 291008 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 608 AM EDT THU MAY 29 2008 NJZ001-PAZ054-055-291115- /O.EXP.KPHI.FR.Y.0004.000000T0000Z-080529T1000Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 608 AM EDT THU MAY 29 2008 ...FROST ADVISORY HAS EXPIRED... THE FROST ADVISORY IS NO LONGER IN EFFECT. WHILE SOME FROST DID OCCUR THIS MORNING, TEMPERATURES ARE NOW RISING AND THE THREAT OF KILLING FROST HAS ENDED. $$ RPW
Nearby
Frost Advisories in Pennsylvania, 2008Frost Advisories in New Jersey, 2008Every frost advisory in 2008
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.