Alert archive / Pennsylvania / Frost Advisories in 2009
Frost Advisory 3, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this frost advisory at May 12, 2009, 2:34 AM EDT for Carbon County, Monroe County, Pennsylvania; Sussex County, New Jersey. It took effect at May 13, 2009, 12:00 AM EDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- May 12, 2009, 2:34 AM EDT (06:34 UTC)
- In effect from
- May 13, 2009, 12:00 AM EDT
- Expired
- May 13, 2009, 9:00 AM EDT
- In force
- 9 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 06:36 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, 6.6 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
- 1412 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 18 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 120634 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 234 AM EDT TUE MAY 12 2009 ...SCATTERED FROST IS EXPECTED OVER THE POCONOS AND NORTHWEST NEW JERSEY TONIGHT... NJZ001-PAZ054-055-122245- /O.NEW.KPHI.FR.Y.0003.090513T0400Z-090513T1300Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 234 AM EDT TUE MAY 12 2009 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT WEDNESDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT WEDNESDAY. COOL HIGH PRESSURE OVER THE REGION COMBINED WITH MOSTLY CLEAR SKIES AND LIGHT WINDS TONIGHT WILL ALLOW SCATTERED FROST TO FORM. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ RNS
4 follow-up statements
000 WWUS71 KPHI 122004 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 404 PM EDT TUE MAY 12 2009 ...SCATTERED FROST IS EXPECTED OVER THE POCONOS AND NORTHWEST NEW JERSEY TONIGHT... NJZ001-PAZ054-055-131300- /O.CON.KPHI.FR.Y.0003.090513T0400Z-090513T1300Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 404 PM EDT TUE MAY 12 2009 ...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT WEDNESDAY... A FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT WEDNESDAY. COOL HIGH PRESSURE OVER THE REGION COMBINED WITH MOSTLY CLEAR SKIES AND LIGHT WINDS TONIGHT WILL ALLOW SCATTERED FROST TO FORM. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$
000 WWUS71 KPHI 130759 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 359 AM EDT WED MAY 13 2009 ...SCATTERED FROST IS EXPECTED OVER THE POCONOS AND NORTHWEST NEW JERSEY TONIGHT... NJZ001-PAZ054-055-131300- /O.CON.KPHI.FR.Y.0003.000000T0000Z-090513T1300Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 359 AM EDT WED MAY 13 2009 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... A FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING. COOL HIGH PRESSURE COMBINED WITH MOSTLY CLEAR SKIES AND LIGHT WINDS HAS PERMITTED MANY AREAS TO HAVE TEMPERATURES IN THE 30S THIS MORNING. THIS IS TURN HAS ALLOWED FROST TO FORM. TEMPERATURES WILL RISE RAPIDLY THIS MORNING ONCE THE SUN RISES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ GIGI
000 WWUS71 KPHI 130813 CCA NPWPHI URGENT - WEATHER MESSAGE...CORRECTED NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 413 AM EDT WED MAY 13 2009 ...SCATTERED FROST IS EXPECTED OVER THE POCONOS AND NORTHWEST NEW JERSEY TONIGHT... NJZ001-PAZ054-055-131300- /O.COR.KPHI.FR.Y.0003.000000T0000Z-090513T1300Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 413 AM EDT WED MAY 13 2009 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... A FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING. COOL HIGH PRESSURE COMBINED WITH MOSTLY CLEAR SKIES AND LIGHT WINDS HAS PERMITTED MANY AREAS TO HAVE TEMPERATURES IN THE 30S THIS MORNING. THIS IN TURN HAS ALLOWED FROST TO FORM. TEMPERATURES WILL RISE RAPIDLY THIS MORNING AFTER SUNRISE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ GIGI
000 WWUS71 KPHI 131301 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 901 AM EDT WED MAY 13 2009 NJZ001-PAZ054-055-131415- /O.EXP.KPHI.FR.Y.0003.000000T0000Z-090513T1300Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 901 AM EDT WED MAY 13 2009 ...FROST ADVISORY HAS EXPIRED... THE FROST ADVISORY IS NO LONGER IN EFFECT. TEMPERATURES HAVE RISEN WELL ABOVE FREEZING AS OF 9:00 AM, SO THE FROST ADVISORY HAS EXPIRED. $$
Nearby
Frost Advisories in Pennsylvania, 2009Frost Advisories in New Jersey, 2009Every frost advisory in 2009
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.