Alert archive / Pennsylvania / Heavy Snow Warnings in 2007
Heavy Snow Warning 1, NWS Philadelphia/Mount Holly
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.
- 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
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 ...SNOW ADVISORY NO LONGER IN EFFECT...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 THE SNOW ADVISORY IS NO LONGER IN EFFECT.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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 18, 5:00 AM EST | Snow Advisory | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 29 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.