Alert archive / Pennsylvania / Frost Advisories in 2005

Frost Advisory 1, NWS Philadelphia/Mount Holly

October 23, 2005Sussex County, New Jersey; Carbon County, Monroe County, Pennsylvania

NWS Philadelphia/Mount Holly issued this frost advisory at Oct 23, 2005, 4:22 AM EDT for Sussex County, New Jersey; Carbon County, Monroe County, Pennsylvania. It took effect at Oct 23, 2005, 9:00 PM EDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Oct 23, 2005, 4:22 AM EDT (08:22 UTC)
In effect from
Oct 23, 2005, 9:00 PM EDT
Expired
Oct 24, 2005, 4:00 AM EDT
In force
7 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 08:23 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, 8.4 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.

Skew-T log-pSkew-T log-p diagram, Brookhaven, NY at 00:00Z on 2005-10-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 00:00Z on 2005-10-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 486 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
467 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
486 m²/s²
0-3 km storm-relative helicity
680 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS71 KPHI 230822
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
422 AM EDT SUN OCT 23 2005


NJZ001-PAZ054-055-232100-
/X.NEW.KPHI.FR.Y.0001.051024T0100Z-051024T0800Z/
SUSSEX-CARBON-MONROE-
INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG
422 AM EDT SUN OCT 23 2005

...FROST ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 4 AM EDT
MONDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST
ADVISORY FOR TONIGHT.

A WEAK AREA OF HIGH PRESSURE WILL BUILD OVER AND ACROSS THE REGION
TODAY AND TONIGHT. THIS WILL ALLOW DRIER AIR TO OVERSPREAD THE
REGION AND BY TONIGHT, SKIES SHOULD BECOME PARTLY CLOUDY.  WINDS
WILL ALSO BE LIGHT AND VARIABLE TONIGHT. THIS COMBINATION WILL
ALLOW TEMPERATURES TO DROP TO THE LOWER AND MIDDLE 30S AND THEREBY
ALLOW SCATTERED FROST TO FORM. 

THIS IS LATE FOR THE FIRST FROST OF THE SEASON, NORMALLY IT OCCURS
DURING THE BEGINNING OF OCTOBER IN THE POCONOS AND NORTHWEST NEW JERSEY.

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 231930
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
330 PM EDT SUN OCT 23 2005

NJZ001-PAZ054-055-241100-
/X.EXT.KPHI.FR.Y.0001.051024T0600Z-051024T1100Z/
SUSSEX-CARBON-MONROE-
INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG
330 PM EDT SUN OCT 23 2005

...FROST ADVISORY EXTENDED FROM 2 AM TO 7 AM EDT MONDAY...

A WEAK AREA OF HIGH PRESSURE WILL BE ACROSS THE REGION TONIGHT.
THE DRY AIR IN PLACE OVER THE REGION AND THE LIGHT WINDS EXPECTED
OVERNIGHT WILL ALLOW TEMPERATURES TO FALL QUICKLY AFTER SUNSET.
LOW TEMPERATURES ARE EXPECTED TO FALL INTO THE LOW TO MID 30S
ACROSS THE THREE COUNTY REGION TONIGHT AND SCATTERED FROST IS
EXPECTED TO FORM.

THIS IS LATE FOR THE FIRST FROST OF THE SEASON, NORMALLY IT OCCURS
DURING THE BEGINNING OF OCTOBER IN THE POCONOS AND NORTHWEST NEW
JERSEY.

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

$$
000 
WWUS71 KPHI 240722
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
322 AM EDT MON OCT 24 2005

DEZ003-NJZ013-020>023-027-242100-
/X.NEW.KPHI.WI.Y.0002.051025T0400Z-051025T2200Z/
INLAND SUSSEX-WESTERN MONMOUTH-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-
SOUTHEASTERN BURLINGTON-
INCLUDING THE CITIES OF...GEORGETOWN...FREEHOLD...JACKSON...
MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE...
WHARTON STATE FOREST
322 AM EDT MON OCT 24 2005

...WIND ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM EDT
TUESDAY...

A WIND ADVISORY HAS BEEN ISSUED FOR STRONG WINDS LATE TONIGHT AND
TUESDAY OVER EASTERN NEW JERSEY AND SOUTHERN DELAWARE - STRONG WINDS 
COULD TOPPLE SOME TREES.

HURRICANE WILMA, MOVING NORTHEAST FROM SOUTHERN FLORIDA TODAY, WILL 
ACCELERATE AS IT MOVES A COUPLE OF HUNDRED MILES OFF THE EAST COAST 
TONIGHT AND TUESDAY. STRONG NORTHEAST TO NORTH WINDS WILL DEVELOP 
LATE TONIGHT AND THEN CONTINUE INTO TUESDAY IN RESPONSE TO A STRONG 
PRESSURE GRADIENT TO THE NORTHWEST OF THE STORM. WIND SPEEDS OF 20 
TO 35 MPH SUSTAINED AND GUSTS TO 50 MPH ARE EXPECTED.

THE COMBINATION OF THE STRONG WINDS AND WET GROUNDS MAY CAUSE 
SOME WEAKLY ROOTED TREES TO FALL LATE TONIGHT AND TUESDAY. IT IS 
POSSIBLE THAT LOCALIZED POWER OUTAGES MAY RESULT. 

FOR SAFETY SAKE, AVOID TREES THAT LOOK WEAK, DEAD, OR HAVE EXPOSED 
ROOTS OR LARGE DEAD BRANCHES. PARK CARS AWAY FROM ANY TREES THAT 
SEEM WEAK AS WELL. IF POWER LINES ARE DOWNED, STAY FAR AWAY FROM 
THEM AND NOTIFY EMERGENCY AUTHORITIES. 

AREA RESIDENTS SHOULD MONITOR THE LATEST WEATHER FORECASTS AND 
STATEMENTS, BY LISTENING TO NOAA WEATHER RADIO ALL HAZARDS OR 
COMMERCIAL TELEVISION AND RADIO STATIONS.


$$

NJZ001-PAZ054-055-241100-
/X.CON.KPHI.FR.Y.0001.000000T0000Z-051024T1100Z/
SUSSEX-CARBON-MONROE-
INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG
322 AM EDT MON OCT 24 2005

...FROST ADVISORY REMAINS IN EFFECT UNTIL 7 AM EDT THIS MORNING...

TEMPERATURES HAVE DROPPED TO AROUND FREEZING AND SHOULD REMAIN
AROUND FREEZING BEFORE RISING LATER THIS MORNING.

THIS IS LATE FOR THE FIRST FROST OF THE SEASON... NORMALLY IT
OCCURS DURING THE BEGINNING OF OCTOBER IN THE POCONOS AND
NORTHWEST NEW JERSEY.

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

$$

RNS

Nearby

Frost Advisories in Pennsylvania, 2005Frost Advisories in New Jersey, 2005Every frost advisory in 2005

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.