Alert archive / Pennsylvania / Frost Advisories in 2006
Frost Advisory 2, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this frost advisory at Apr 29, 2006, 3:55 PM EDT for 5 counties in Pennsylvania; 5 counties in New Jersey. It took effect at Apr 30, 2006, 2:00 AM EDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Apr 29, 2006, 3:55 PM EDT (19:55 UTC)
- In effect from
- Apr 30, 2006, 2:00 AM EDT
- Expired
- Apr 30, 2006, 8:00 AM EDT
- In force
- 6 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties Hunterdon County, NJ, Morris County, NJ, Somerset County, NJ, Sussex County, NJ, Warren County, NJ, Berks County, PA, Carbon County, PA, Lehigh County, PA, Monroe County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 112 km from the middle of the area, began a volume at 19:57 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 12:00Z, 7.9 hours before the alert went out and 194 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
- 1536 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- 37 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 291955 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 355 PM EDT SAT APR 29 2006 NJZ001-007>010-PAZ054-055-060>062-067>069-301000- /O.NEW.KPHI.FR.Y.0002.060430T0600Z-060430T1200Z/ SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-CARBON-MONROE-BERKS- LEHIGH-NORTHAMPTON-CHESTER-MONTGOMERY-BUCKS- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN... FLEMINGTON...SOMERVILLE...JIM THORPE...STROUDSBURG...READING... ALLENTOWN...BETHLEHEM...EASTON...WEST CHESTER...NORRISTOWN... DOYLESTOWN 355 PM EDT SAT APR 29 2006 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM EDT SUNDAY... UNDER A CLEAR SKY WITH A LIGHT WIND...TEMPERATURES ARE EXPECTED TO DROP INTO THE LOWER AND MIDDLE 30S LATE TONIGHT IN MUCH OF EASTERN PENNSYLVANIA AND NORTHWESTERN NEW JERSEY...AND AREAS OF FROST WILL LIKELY DEVELOP. AS A RESULT...THE NATIONAL WEATHER SERVICE HAS ISSUED A FROST ADVISORY FOR LATE TONIGHT AND EARLY SUNDAY MORNING. BE SURE TO PROTECT SENSITIVE VEGETATION AND BRING ANY POTTED PLANTS INDOORS. $$ IOVINO
1 follow-up statement
000 WWUS71 KPHI 300614 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 214 AM EDT SUN APR 30 2006 NJZ001-007>010-PAZ054-055-060>062-067>069-301200- /O.CON.KPHI.FR.Y.0002.000000T0000Z-060430T1200Z/ SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-CARBON-MONROE-BERKS- LEHIGH-NORTHAMPTON-CHESTER-MONTGOMERY-BUCKS- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN... FLEMINGTON...SOMERVILLE...JIM THORPE...STROUDSBURG...READING... ALLENTOWN...BETHLEHEM...EASTON...WEST CHESTER...NORRISTOWN... DOYLESTOWN 214 AM EDT SUN APR 30 2006 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... TEMPERATURES DROPPED INTO THE 30S OVERNIGHT. THESE COLD TEMPERATURES COMBINED WITH LIGHT WINDS, AND THIS ALLOWED SCATTERED FROST TO FORM, ESPECIALLY IN OUTLYING AND RURAL AREAS. BE SURE TO PROTECT SENSITIVE VEGETATION AND BRING ANY POTTED PLANTS INDOORS. $$ STAUBER
Nearby
Frost Advisories in Pennsylvania, 2006Frost Advisories in New Jersey, 2006Every frost advisory in 2006
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.