Alert archive / Pennsylvania / Heavy Snow Warnings in 2007

Heavy Snow Warning 1, NWS Philadelphia/Mount Holly

November 18, 2007Carbon County, Monroe County, Pennsylvania

NWS Philadelphia/Mount Holly issued this heavy snow warning at Nov 18, 2007, 6:00 PM EST for Carbon County, Monroe County, Pennsylvania. It was in force for 16 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Nov 18, 2007, 6:00 PM EST (23:00 UTC)
Expired
Nov 19, 2007, 10:01 AM EST
In force
16 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Carbon County, PA, Monroe County, PA

The radar

The Binghamton radar (KBGM), 140 km from the middle of the area, began a volume at 23:01 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, 11.0 hours before the alert went out and 224 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 12:00Z on 2007-11-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2007-11-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1433 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
155 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WWUS41 KPHI 182300
WSWPHI

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
600 PM EST SUN NOV 18 2007

PAZ054-055-191000-
/O.UPG.KPHI.SN.Y.0007.000000T0000Z-071119T1500Z/
/O.NEW.KPHI.HS.W.0001.071118T2300Z-071119T1500Z/
CARBON-MONROE-
INCLUDING THE CITIES OF...JIM THORPE...STROUDSBURG
600 PM EST SUN NOV 18 2007

...HEAVY SNOW WARNING IN EFFECT UNTIL 10 AM EST MONDAY...
...SNOW ADVISORY NO LONGER IN EFFECT...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A HEAVY
SNOW WARNING, WHICH IS IN EFFECT UNTIL 10 AM EST MONDAY. THE SNOW
ADVISORY IS NO LONGER IN EFFECT.

SNOW WILL CONTINUE TO FALL THROUGH TONIGHT WITH A STORM TOTAL OF 2 
TO 5 INCHES IN THE VALLEYS AND 5 TO 10 INCHES IN THE HIGHER 
ELEVATIONS. THE SNOW WILL FALL UP TO AN INCH PER HOUR AT TIMES.

ROAD SURFACES WILL CONTINUE TO BECOME INCREASINGLY SLIPPERY,
ESPECIALLY BRIDGES, OVERPASSES AND LESS TRAVELED ROADWAYS. THIS IS
THE FIRST WIDESPREAD SNOWFALL OF THE SEASON. IF YOU WILL BE
TRAVELING AROUND THE POCONOS TONIGHT, BE PREPARED FOR HAZARDOUS
CONDITIONS. SLOW DOWN WHILE DRIVING AND LEAVE PLENTY OF ROOM
BETWEEN YOUR VEHICLE AND THE ONE AHEAD OF YOU. THE FALLING SNOW
WILL ALSO REDUCE THE VISIBILITY.

A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL HAZARDOUS. IF YOU MUST, KEEP AN EXTRA
FLASHLIGHT, FOOD, AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY.

$$

NJZ001-007-008-PAZ060>062-191000-
/O.CON.KPHI.SN.Y.0007.000000T0000Z-071119T1500Z/
SUSSEX-WARREN-MORRIS-BERKS-LEHIGH-NORTHAMPTON-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN...
READING...ALLENTOWN...BETHLEHEM...EASTON
600 PM EST SUN NOV 18 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST MONDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST MONDAY. 

SNOW WILL CONTINUE TO FALL THROUGH TONIGHT, WITH A TOTAL
ACCUMULATION ON AVERAGE OF 2 TO 4 INCHES. SNOW MAY FALL AT THE
RATE OF AROUND ONE HALF PER HOUR AT TIMES.

ROAD SURFACES WILL CONTINUE TO BECOME SLIPPERY, ESPECIALLY
BRIDGES, OVERPASSES AND LESS TRAVELED ROADWAYS. THIS IS THE FIRST
WIDESPREAD SNOWFALL OF THE SEASON. IF YOU WILL BE TRAVELING
AROUND THE REGION TONIGHT, BE PREPARED FOR SLIPPERY CONDITIONS.
SLOW DOWN WHILE DRIVING AND LEAVE PLENTY OF ROOM BETWEEN YOUR
VEHICLE AND THE ONE AHEAD OF YOU. THE FALLING SNOW WILL ALSO
REDUCE THE VISIBILITY.

$$

GORSE/GIGI/MEOLA
3 follow-up statements
000 
WWUS41 KPHI 190247
WSWPHI

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
947 PM EST SUN NOV 18 2007

PAZ054-055-191100-
/O.CON.KPHI.HS.W.0001.000000T0000Z-071119T1500Z/
CARBON-MONROE-
INCLUDING THE CITIES OF...JIM THORPE...STROUDSBURG
947 PM EST SUN NOV 18 2007

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 10 AM EST MONDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 10 AM EST MONDAY. 

PERIODS OF SNOW WILL CONTINUE TO FALL OVERNIGHT WITH A STORM TOTAL OF
2 TO 5 INCHES IN THE VALLEYS AND 5 TO 10 INCHES IN THE HIGHER
ELEVATIONS. SNOWFALL REPORTS FROM THE HIGHER TERRAIN OF THE
POCONOS HAVE REACHED 7 INCHES.

ROAD SURFACES WILL CONTINUE TO BECOME INCREASINGLY SLIPPERY...
ESPECIALLY BRIDGES... OVERPASSES AND LESS TRAVELED ROADWAYS. THIS
IS THE FIRST WIDESPREAD SNOWFALL OF THE SEASON. IF YOU WILL BE
TRAVELING AROUND THE POCONOS TONIGHT... BE PREPARED FOR HAZARDOUS
CONDITIONS. SLOW DOWN WHILE DRIVING AND LEAVE PLENTY OF ROOM
BETWEEN YOUR VEHICLE AND THE ONE AHEAD OF YOU. THE FALLING SNOW
WILL ALSO REDUCE THE VISIBILITY. PLEASE GIVE YOURSELF EXTRA TIME
FOR YOUR MORNING COMMUTE.

A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL HAZARDOUS. IF YOU MUST... KEEP AN EXTRA
FLASHLIGHT... FOOD... AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY.

$$

NJZ001-007-008-PAZ060>062-191100-
/O.CON.KPHI.SN.Y.0007.000000T0000Z-071119T1500Z/
SUSSEX-WARREN-MORRIS-BERKS-LEHIGH-NORTHAMPTON-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN...
READING...ALLENTOWN...BETHLEHEM...EASTON
947 PM EST SUN NOV 18 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST MONDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST MONDAY. 

PERIODS OF SNOW WILL AFFECT THE ADVISORY AREA OVERNIGHT. SNOW
HAS HAD A DIFFICULT TIME ENTERING NEW JERSEY, BUT IS EXPECTED TO
HAVE AN EASIER TIME OVERNIGHT AS THE LARGE AREA OF PRECIPITATION
IN NORTHERN PENNSYLVANIA MUST EXIT TO THE COAST. TOTAL
ACCUMULATIONS IN BERKS COUNTY AND THE LEHIGH VALLEY WILL AVERAGE 2
TO 5 INCHES. IN NORTHWEST NEW JERSEY TOTAL ACCUMULATIONS WILL
AVERAGE 1 TO 4 INCHES WITH MOST OF THIS OCCURRING OVER THE HIGHER
ELEVATIONS.

ROAD SURFACES WILL CONTINUE TO BECOME SLIPPERY... ESPECIALLY
BRIDGES... OVERPASSES AND LESS TRAVELED ROADWAYS. THIS IS THE
FIRST WIDESPREAD SNOWFALL OF THE SEASON. IF YOU WILL BE TRAVELING
AROUND THE REGION TONIGHT... BE PREPARED FOR SLIPPERY CONDITIONS.
SLOW DOWN WHILE DRIVING AND LEAVE PLENTY OF ROOM BETWEEN YOUR
VEHICLE AND THE ONE AHEAD OF YOU. THE FALLING SNOW WILL ALSO
REDUCE THE VISIBILITY. PLEASE GIVE YOURSELF EXTRA TIME TO REACH
YOUR DESTINATION AND EXPECT VARYING ROAD CONDITIONS ESPECIALLY IF
YOU MUST TRAVEL OVER HIGHER TERRAIN.

$$

TFG
000 
WWUS41 KPHI 190935
WSWPHI

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
435 AM EST MON NOV 19 2007

PAZ054-055-191500-
/O.CON.KPHI.HS.W.0001.000000T0000Z-071119T1500Z/
CARBON-MONROE-
INCLUDING THE CITIES OF...JIM THORPE...STROUDSBURG
435 AM EST MON NOV 19 2007

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

PERIODS OF SNOW WILL CONTINUE THIS MORNING, WITH THE SNOW TAPERING 
OFF TO FLURRIES FOR THIS AFTERNOON.

BY 400 AM, ANYWHERE FROM 1 TO 8 INCHES OF SNOW HAD FALLEN IN CARBON 
COUNTY AND MONROE COUNTY SINCE EARLY SUNDAY.  THE HIGHER AMOUNTS 
WERE IN THE HIGHER ELEVATIONS, WITH THE LOWER AMOUNTS IN THE VALLEYS.

AN ADDITIONAL INCH OR TWO OF SNOW IS EXPECTED THIS MORNING, BRINGING 
THE SNOWFALL TOTALS TO 5 TO 10 INCHES IN THE HIGHER ELEVATIONS, AND 
2 TO 5 INCHES IN THE VALLEYS.

TEMPERATURES WERE AT OR BELOW FREEZING THROUGHOUT THE POCONO REGION 
EARLY THIS MORNING.  MANY UNTREATED ROADS AND WALKWAYS HAVE BECOME 
COVERED WITH SNOW AND ICE.

IF YOU WILL BE TRAVELING THIS MORNING, BE PREPARED FOR LESS THAN 
IDEAL DRIVING CONDITIONS.  BE SURE TO DRIVE AT A REASONABLE SPEED 
AND LEAVE PLENTY OF ROOM BETWEEN YOUR VEHICLE AND THE ONE AHEAD OF 
YOU.

$$

NJZ001-007-008-PAZ060>062-191500-
/O.CON.KPHI.SN.Y.0007.000000T0000Z-071119T1500Z/
SUSSEX-WARREN-MORRIS-BERKS-LEHIGH-NORTHAMPTON-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN...
READING...ALLENTOWN...BETHLEHEM...EASTON
435 AM EST MON NOV 19 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING...

PERIODS OF SNOW WILL CONTINUE THIS MORNING, WITH THE SNOW TAPERING 
OFF TO SPRINKLES AND FLURRIES FOR THIS AFTERNOON.

BY 400 AM, ANYWHERE FROM A TRACE TO 5 INCHES OF SNOW HAD FALLEN IN 
BERKS COUNTY AND IN THE LEHIGH VALLEY SINCE EARLY SUNDAY.  THE 
HIGHER AMOUNTS WERE IN THE HIGHER ELEVATIONS.

AN ADDITIONAL INCH OR TWO OF SNOW IS EXPECTED THIS MORNING, BRINGING 
THE SNOWFALL TOTALS AT MOST LOCATIONS IN BERKS COUNTY AND THE
LEHIGH VALLEY INTO THE 2 TO 5 INCH RANGE. A FEW SPOTS IN THE
HIGHER ELEVATIONS MAY REACH 6 OR 7 INCHES.

MEANWHILE, ANYWHERE FROM A TRACE TO 2 INCHES OF SNOW HAD FALLEN IN
THE NEW JERSEY COUNTIES OF SUSSEX, WARREN AND MORRIS OVERNIGHT.
AGAIN, THE HIGHER AMOUNTS WERE IN THE HIGHER ELEVATIONS.

AN ADDITIONAL INCH OR TWO OF SNOW IS EXPECTED THIS MORNING, BRINGING 
THE SNOWFALL TOTALS AT MOST LOCATIONS IN THE THREE COUNTY AREA OF
NORTHERN NEW JERSEY INTO THE 1 TO 4 INCH RANGE.

TEMPERATURES WERE AROUND FREEZING THROUGHOUT THE REGION EARLY THIS 
MORNING.  MANY UNTREATED ROADS AND WALKWAYS WILL BECOME COVERED WITH 
SNOW AND ICE.

IF YOU WILL BE TRAVELING THIS MORNING, BE PREPARED FOR LESS THAN 
IDEAL DRIVING CONDITIONS.  BE SURE TO DRIVE AT A REASONABLE SPEED 
AND LEAVE PLENTY OF ROOM BETWEEN YOUR VEHICLE AND THE ONE AHEAD OF 
YOU.

$$

IOVINO
000 
WWUS41 KPHI 191501
WSWPHI

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1001 AM EST MON NOV 19 2007


PAZ054-055-192200-
/O.CAN.KPHI.HS.W.0001.000000T0000Z-071119T1500Z/
/O.NEW.KPHI.WW.Y.0013.071119T1501Z-071119T2200Z/
CARBON-MONROE-
INCLUDING THE CITIES OF...JIM THORPE...STROUDSBURG
1001 AM EST MON NOV 19 2007

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM EST THIS
AFTERNOON...
...HEAVY SNOW WARNING IS CANCELLED...

THE HEAVY SNOW WARNING HAS BEEN REPLACED WITH A WINTER WEATHER
ADVISORY. THE WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 500 PM.

THE WIDESPREAD AND PERSISTENT SNOW THE REGION HAS BEEN EXPERIENCING 
IS EXPECTED TO TRANSITION INTO A MORE SCATTERED EVENT THIS 
AFTERNOON. NOT EVERYONE WILL SEE ADDITIONAL ACCUMULATIONS, BUT THOSE 
WHO DO CAN EXPECT TO SEE ANOTHER INCH. ALONG WITH THE ADDITIONAL
SNOWFALL, FREEZING DRIZZLE OR LIGHT FREEZING RAIN IS ALSO
EXPECTED. ONCE AGAIN, NOT EVERYONE WILL SEE THE FREEZING DRIZZLE,
BUT THOSE WHO DO CAN EXPECT A LIGHT ACCRETION.

WITH BOTH FREEZING DRIZZLE AND LIGHT SNOW IN THE FORECAST FOR THIS 
AFTERNOON, THE NATIONAL WEATHER SERVICE HAS ISSUED A WINTER WEATHER 
ADVISORY UNTIL 500 PM.   

TEMPERATURES ARE EXPECTED TO REMAIN AT OR BELOW FREEZING THROUGHOUT 
THE REGION THROUGH THIS AFTERNOON. UNTREATED ROADS AND WALKWAYS WILL 
REMAIN SLICK.

IF YOU WILL BE TRAVELING THIS AFTERNOON, BE PREPARED FOR LESS THAN 
IDEAL DRIVING CONDITIONS. BE SURE TO DRIVE AT A REASONABLE SPEED AND 
LEAVE PLENTY OF ROOM BETWEEN YOUR VEHICLE AND THE ONE IN FRONT OF 
YOU.


$$

NJZ007-008-PAZ061-062-192200-
/O.CAN.KPHI.SN.Y.0007.000000T0000Z-071119T1500Z/
/O.NEW.KPHI.WW.Y.0013.071119T1501Z-071119T2200Z/
WARREN-MORRIS-LEHIGH-NORTHAMPTON-
INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...ALLENTOWN...
BETHLEHEM...EASTON
1001 AM EST MON NOV 19 2007

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM EST THIS
AFTERNOON...
...SNOW ADVISORY IS CANCELLED...

THE SNOW ADVISORY HAS BEEN REPLACED WITH A WINTER WEATHER
ADVISORY. THE WINTER WEATHER ADVISORY IS IN EFFECT FOR THE HIGHER
ELEVATIONS UNTIL 500 PM.

THE WIDESPREAD AND PERSISTENT WINTRY MIX THE REGION HAS BEEN 
EXPERIENCING IS EXPECTED TO TRANSITION INTO A MORE SCATTERED EVENT 
THIS AFTERNOON. 

ACROSS THE LOWER ELEVATIONS WHERE TEMPERATURES WILL CLIMB INTO THE 
MID AND UPPER 30S, MAINLY THE SOUTHERN AND EASTERN PORTIONS OF THE 
COUNTY, ON AND OFF LIGHT RAIN IS EXPECTED TO OCCUR THIS AFTERNOON.

ACROSS THE HIGHER ELEVATIONS WHERE TEMPERATURES ARE EXPECTED TO 
REMAIN AT OR JUST BELOW FREEZING, ON AND OFF LIGHT SNOW, SLEET, AND 
FREEZING DRIZZLE WILL CONTINUE TO OCCUR THIS AFTERNOON. EVEN THOUGH 
ANY ADDITIONAL SNOW ACCUMULATION OR ICE ACCRETION WILL BE LIGHT, THE 
NATIONAL WEATHER SERVICE HAS ISSUED A WINTER WEATHER ADVISORY UNTIL 
500 PM. 

WITH TEMPERATURES EXPECTED TO REMAIN AT OR BELOW FREEZING ACROSS THE 
HIGHER ELEVATION, UNTREATED ROADS AND WALKWAYS WILL REMAIN SLICK.

IF YOU WILL BE TRAVELING THIS AFTERNOON ACROSS THE NORTHERN AND 
WESTERN PORTIONS OF THE LEHIGH VALLEY OR IN WARREN AND MORRIS 
COUNTIES IN NEW JERSEY, BE PREPARED FOR LESS THAN IDEAL DRIVING 
CONDITIONS. BE SURE TO DRIVE AT A REASONABLE SPEED AND LEAVE PLENTY 
OF ROOM BETWEEN YOUR VEHICLE AND THE ONE IN FRONT OF YOU.

$$

NJZ001-192200-
/O.CAN.KPHI.SN.Y.0007.000000T0000Z-071119T1500Z/
/O.NEW.KPHI.WW.Y.0013.071119T1501Z-071119T2200Z/
SUSSEX-
INCLUDING THE CITY OF...NEWTON
1001 AM EST MON NOV 19 2007

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM EST THIS
AFTERNOON...
...SNOW ADVISORY IS CANCELLED...

THE SNOW ADVISORY HAS BEEN REPLACED WITH A WINTER WEATHER
ADVISORY. THE WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 500 PM.

THE WIDESPREAD AND PERSISTENT LIGHT SNOW THE REGION HAS BEEN
EXPERIENCING IS EXPECTED TO TRANSITION INTO A MORE SCATTERED EVENT
THIS AFTERNOON. NOT EVERYONE WILL SEE ADDITIONAL ACCUMULATIONS,
BUT THOSE WHO DO CAN EXPECT TO SEE ANOTHER INCH. ALONG WITH THE
ADDITIONAL SNOWFALL, FREEZING DRIZZLE OR LIGHT FREEZING RAIN IS
ALSO EXPECTED. ONCE AGAIN, NOT EVERYONE WILL SEE THE FREEZING
DRIZZLE, BUT THOSE WHO DO CAN EXPECT A LIGHT ACCRETION.

WITH BOTH FREEZING DRIZZLE AND LIGHT SNOW IN THE FORECAST FOR THIS 
AFTERNOON, THE NATIONAL WEATHER SERVICE HAS ISSUED A WINTER WEATHER 
ADVISORY UNTIL 500 PM.   

TEMPERATURES ARE EXPECTED TO REMAIN AT OR BELOW FREEZING THROUGHOUT 
THE REGION THROUGH THIS AFTERNOON. UNTREATED ROADS AND WALKWAYS WILL 
REMAIN SLICK.

IF YOU WILL BE TRAVELING THIS AFTERNOON, BE PREPARED FOR LESS THAN 
IDEAL DRIVING CONDITIONS. BE SURE TO DRIVE AT A REASONABLE SPEED AND 
LEAVE PLENTY OF ROOM BETWEEN YOUR VEHICLE AND THE ONE IN FRONT OF 
YOU.

$$

PAZ060-191615-
/O.CAN.KPHI.SN.Y.0007.000000T0000Z-071119T1500Z/
BERKS-
INCLUDING THE CITY OF...READING
1001 AM EST MON NOV 19 2007

...SNOW ADVISORY IS CANCELLED...

THE SNOW ADVISORY, MAINLY FOR THE HIGHER ELEVATIONS, HAS BEEN
CANCELLED.

WITH TEMPERATURES EXPECTED TO CLIMB INTO THE MIDDLE TO UPPER 30S, 
THE ON AND OFF LIGHT PRECIPITATION THAT IS FORECAST THIS AFTERNOON 
WILL MAINLY FALL IN THE FORM OF RAIN. ADDITIONAL SNOW ACCUMULATION 
IS NOT EXPECTED.

FOR THIS REASON, THE NATIONAL WEATHER SERVICE HAS CANCELLED THE
SNOW ADVISORY.

$$

KRUZDLO

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 18, 5:00 AM ESTSnow AdvisoryPHIBerks, Carbon, Lehigh, Monroe, Northampton29 hr

Nearby

Heavy Snow Warnings in Pennsylvania, 2007Every heavy snow warning in 2007

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.