Alert archive / New Jersey / Excessive Heat Watches in 2008
Excessive Heat Watch 2, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this excessive heat watch at Jul 15, 2008, 3:41 PM EDT for 4 counties in New Jersey; Delaware County, Philadelphia County, Pennsylvania; New Castle County, Delaware. It took effect at Jul 19, 2008, 8:00 PM EDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Jul 15, 2008, 3:41 PM EDT (19:41 UTC)
- In effect from
- Jul 19, 2008, 8:00 PM EDT
- Expired
- Jul 19, 2008, 3:50 PM EDT
- In force
- Issued by
- NWS Philadelphia/Mount Holly
Counties New Castle County, DE, Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Mercer County, NJ, Delaware County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 59 km from the middle of the area, began a volume at 19:45 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
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 7.7 hours before the alert went out and 98 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
- 19 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 1590 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- -30 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS71 KPHI 151941 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 341 PM EDT TUE JUL 15 2008 ...HIGH PRESSURE WILL REMAIN OVER THE REGION WITH EACH DAY BEING HOT AND BECOMING MORE HUMID... DEZ001-NJZ015-017>019-PAZ067>071-160345- /O.NEW.KPHI.EH.A.0002.080717T1600Z-080719T1800Z/ NEW CASTLE-MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON- CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...TRENTON...GLASSBORO... CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...WEST CHESTER... NORRISTOWN...DOYLESTOWN...MEDIA 341 PM EDT TUE JUL 15 2008 ...EXCESSIVE HEAT WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH SATURDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED AN EXCESSIVE HEAT WATCH...WHICH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH SATURDAY AFTERNOON. THE THIRD HEAT-WAVE OF THE SEASON WILL BEGIN ON WEDNESDAY ACROSS THE MAJOR METROPOLITAN AREAS AND CONTINUE INTO THE WEEKEND. THE MOST OPPRESSIVE PART OF THE HEAT WAVE APPEARS TO BE LATE FRIDAY INTO THE WEEKEND WITH THE TEMPERATURES IN THE MID 90S AND INCREASING HUMIDITY. ALTHOUGH WE DO NOT ANTICIPATE BREAKING ANY HIGH TEMPERATURE RECORDS, THERE COULD BE FIVE CONSECUTIVE DAYS OR 90 OR ABOVE. AN EXCESSIVE HEAT WATCH MEANS THAT A PROLONGED PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS. $$ EBERWINE
9 follow-up statements
000 WWUS71 KPHI 152333 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 733 PM EDT TUE JUL 15 2008 ...HIGH PRESSURE WILL REMAIN OVER THE REGION WITH EACH DAY BEING HOT AND BECOMING MORE HUMID... DEZ001-NJZ015-017>019-PAZ067>071-160930- /O.CON.KPHI.EH.A.0002.080717T1600Z-080719T1800Z/ NEW CASTLE-MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON- CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...TRENTON...GLASSBORO... CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...WEST CHESTER... NORRISTOWN...DOYLESTOWN...MEDIA...PHILADELPHIA 733 PM EDT TUE JUL 15 2008 ...EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH SATURDAY AFTERNOON... AN EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH SATURDAY AFTERNOON. THE THIRD HEAT-WAVE OF THE SEASON WILL BEGIN ON WEDNESDAY ACROSS THE MAJOR METROPOLITAN AREAS AND CONTINUE INTO THE WEEKEND. THE MOST OPPRESSIVE PART OF THE HEAT WAVE APPEARS TO BE LATE FRIDAY INTO THE WEEKEND WITH THE TEMPERATURES IN THE MID 90S AND INCREASING HUMIDITY. ALTHOUGH WE DO NOT ANTICIPATE BREAKING ANY HIGH TEMPERATURE RECORDS... THERE COULD BE FIVE CONSECUTIVE DAYS OR 90 OR ABOVE. AN EXCESSIVE HEAT WATCH MEANS THAT A PROLONGED PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS. $$
000 WWUS71 KPHI 160745 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 345 AM EDT WED JUL 16 2008 ...HOTTER AND MORE HUMID CONDITIONS WILL OCCUR THURSDAY AND INTO THE WEEKEND... DEZ001-NJZ015-017>019-PAZ067>071-162100- /O.EXT.KPHI.EH.A.0002.080717T1600Z-080720T0000Z/ NEW CASTLE-MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON- CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...TRENTON...GLASSBORO... CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...WEST CHESTER... NORRISTOWN...DOYLESTOWN...MEDIA...PHILADELPHIA 345 AM EDT WED JUL 16 2008 ...EXCESSIVE HEAT WATCH NOW IN EFFECT FROM THURSDAY AFTERNOON THROUGH SATURDAY EVENING... THE EXCESSIVE HEAT WATCH IS NOW IN EFFECT FROM THURSDAY AFTERNOON THROUGH SATURDAY EVENING. THE THIRD HEAT WAVE OF THE SEASON OVER THE PHILADELPHIA AND WILMINGTON URBAN AREAS WILL BEGIN TODAY. TEMPERATURES WILL TOP OUT NEAR 90 OR IN THE LOWER 90S TODAY, WITH MODERATE HUMIDITY. HOWEVER, TEMPERATURES AND HUMIDITY WILL BUILD THURSDAY AND LIKELY CONTINUE INTO THE WEEKEND. THE MOST OPPRESSIVE PART OF THE HEAT WAVE APPEARS TO BE FRIDAY AND SATURDAY, WITH HIGH TEMPERATURES IN THE MID 90S COINCIDING WITH ELEVATED HUMIDITY. THERE COULD BE FIVE CONSECUTIVE DAYS OR 90 DEGREES OR ABOVE. IN ADDITION, LOW TEMPERATURES AT NIGHT MAY NOT COOL BELOW THE LOWER AND MID 70S. AN EXCESSIVE HEAT WATCH MEANS THAT A PROLONGED PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ENVIRONMENT AND OUT OF THE SUN...CHECK UP ON RELATIVES AND NEIGHBORS...AND INSURE PETS HAVE SHADE AND WATER. PLEASE MONITOR NOAA WEATHER RADIO ALL HAZARDS...YOUR LOCAL COMMERCIAL TELEVISION OR RADIO OUTLET...OR THE INTERNET AT WEATHER.GOV/PHI FOR THE LATEST WEATHER INFORMATION, ESPECIALLY IF THE EXCESSIVE HEAT WATCH IS UPGRADED TO AN EXCESSIVE HEAT WARNING OR HEAT ADVISORY. $$
000 WWUS71 KPHI 162004 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 404 PM EDT WED JUL 16 2008 ...HOTTER AND MORE HUMID CONDITIONS WILL OCCUR THURSDAY AND CONTINUE FOR THE WEEKEND, WITH FRIDAY LOOKING TO BE THE HOTTEST DAY... DEZ001-NJZ015-017>019-PAZ067>071-171000- /O.EXT.KPHI.EH.A.0002.080718T1600Z-080720T1900Z/ NEW CASTLE-MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON- CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...TRENTON...GLASSBORO... CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...WEST CHESTER... NORRISTOWN...DOYLESTOWN...MEDIA...PHILADELPHIA 404 PM EDT WED JUL 16 2008 ...EXCESSIVE HEAT WATCH NOW IN EFFECT FROM FRIDAY AFTERNOON THROUGH SUNDAY AFTERNOON... THE EXCESSIVE HEAT WATCH IS NOW IN EFFECT FROM FRIDAY AFTERNOON THROUGH SUNDAY AFTERNOON. AS HOT AIR CONTINUES TO WORK INTO THE REGION, AFTERNOON TEMPERATURES ARE EXPECTED TO TOP OUT IN THE MID 90S THURSDAY AND FRIDAY. EVEN THOUGH IT WILL BE HOT ON THURSDAY, THE DEW POINTS ARE EXPECTED TO BE LOW ENOUGH TO KEEP THE HEAT INDICES CLOSE TO THE ACTUAL AIR TEMPERATURES. IN THE HIGHLY URBANIZED AREAS, IT IS STILL ADVISED TO TAKE SOME EXTRA CAUTION ON THURSDAY AS CONDITIONS WILL STILL BE HOT FROM AROUND MIDDAY INTO THE EARLY EVENING HOURS. INCREASING HUMIDITY IS EXPECTED TO OCCUR ON FRIDAY. FRIDAY AFTERNOON LOOKS TO BE THE HOTTEST DAY OF THIS HEAT WAVE, WITH HEAT INDICES TOPPING OUT ABOUT 100 DEGREES IN THE HIGHLY URBANIZED AREAS. THE HEAT AND HUMIDITY WILL CONTINUE OVER THE WEEKEND AS WELL, ALTHOUGH THE AIR TEMPERATURES COULD DROP A LITTLE BIT EACH DAY. EITHER WAY, THE COMBINATION OF THE HEAT, HUMIDITY AND IT BEING A SEVERAL DAY EVENT, THE EXCESSIVE HEAT WATCH HAS BEEN EXTENDED THROUGH SUNDAY AFTERNOON. IN ADDITION, LOW TEMPERATURES AT NIGHT MAY NOT COOL BELOW THE LOWER AND MID 70S, ESPECIALLY IN THE MORE URBANIZED LOCATIONS. AN EXCESSIVE HEAT WATCH MEANS THAT A PROLONGED PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ENVIRONMENT AND OUT OF THE SUNSHINE, CHECK UP ON RELATIVES AND NEIGHBORS, AND BE SURE PETS HAVE SHADE AND WATER. STAYED TUNED TO NOAA WEATHER RADIO ALL HAZARDS OR YOUR LOCAL MEDIA OUTLETS FOR THE LATEST WEATHER INFORMATION. $$ GORSE
000 WWUS71 KPHI 170730 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 330 AM EDT THU JUL 17 2008 ...HOT CONDITIONS TODAY WILL CONTINUE BUT BECOME MORE HUMID FRIDAY AND OVER THE WEEKEND...WITH FRIDAY AND SATURDAY POSSIBLY THE MOST UNCOMFORTABLE DAYS... DEZ001-NJZ015-017>019-PAZ067>071-172100- /O.CON.KPHI.EH.A.0002.080718T1600Z-080720T1900Z/ NEW CASTLE-MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON- CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...TRENTON...GLASSBORO... CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...WEST CHESTER... NORRISTOWN...DOYLESTOWN...MEDIA...PHILADELPHIA 330 AM EDT THU JUL 17 2008 ...EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON THROUGH SUNDAY AFTERNOON... AN EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON THROUGH SUNDAY AFTERNOON. AS HOT AIR CONTINUES TO BUILD OVER THE REGION, AFTERNOON TEMPERATURES ARE EXPECTED TO TOP OUT IN THE LOWER AND MID 90S TODAY, AGAIN FRIDAY, AND PROBABLY SATURDAY AS WELL. EVEN THOUGH IT WILL BE HOT TODAY, THE HUMIDITY IS EXPECTED TO BE MODERATE, KEEPING THE HEAT INDICES CLOSE TO THE ACTUAL AIR TEMPERATURES. HOWEVER, ESPECIALLY FOR THOSE IN THE HIGHLY URBANIZED AREAS, IT IS ADVISED TO USE CAUTION TODAY, AS CONDITIONS WILL STILL BE HOT FROM LATE MORNING INTO THE EARLY EVENING HOURS. INCREASED HUMIDITY IS EXPECTED TO OCCUR FRIDAY AND SATURDAY. BOTH AFTERNOONS ARE FORECAST TO BE THE HOTTEST DAYS OF THIS HEAT WAVE AND FEATURE HIGHS IN THE MID 90S, AND HEAT INDICES ARE EXPECTED TO TOP OUT CLOSE TO 100 DEGREES IN THE HIGHLY URBANIZED AREAS. THE HEAT AND HUMIDITY WILL CONTINUE SUNDAY AND PERHAPS INTO EARLY NEXT WEEK AS WELL, ALTHOUGH THE AIR TEMPERATURES COULD DROP A LITTLE BIT EACH DAY. EITHER WAY, THE COMBINATION OF THE HEAT, HUMIDITY, AND THEIR CUMULATIVE EFFECTS OVER SEVERAL DAYS HAS RESULTED IN THE EXCESSIVE HEAT WATCH CONTINUING THROUGH SUNDAY AFTERNOON. IN ADDITION, LOW TEMPERATURES AT NIGHT MAY NOT COOL BELOW THE LOWER AND MID 70S, ESPECIALLY IN THE URBANIZED SPOTS. AN EXCESSIVE HEAT WATCH MEANS THAT A PROLONGED PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ENVIRONMENT AND OUT OF THE SUNSHINE, CHECK UP ON RELATIVES AND NEIGHBORS, AND BE SURE PETS HAVE SHADE AND WATER. STAY TUNED TO NOAA WEATHER RADIO ALL HAZARDS, OR YOUR LOCAL MEDIA OUTLET, FOR THE LATEST WEATHER INFORMATION. $$
000 WWUS71 KPHI 172009 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 409 PM EDT THU JUL 17 2008 DEZ001-NJZ015-017>019-PAZ067>071-181000- /O.NEW.KPHI.EH.W.0002.080718T1600Z-080720T0000Z/ /O.EXT.KPHI.EH.A.0002.080720T0000Z-080720T2300Z/ NEW CASTLE-MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON- CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...TRENTON...GLASSBORO... CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...WEST CHESTER... NORRISTOWN...DOYLESTOWN...MEDIA...PHILADELPHIA 409 PM EDT THU JUL 17 2008 ...EXCESSIVE HEAT WARNING IN EFFECT FROM 12 PM FRIDAY TO 8 PM EDT SATURDAY... ...EXCESSIVE HEAT WATCH NOW IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY EVENING... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED AN EXCESSIVE HEAT WARNING, WHICH IS IN EFFECT FROM 12 PM FRIDAY TO 8 PM EDT SATURDAY. THE EXCESSIVE HEAT WATCH IS NOW IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY EVENING. ALTHOUGH TEMPERATURES ARE IN THE LOWER TO MID 90S THIS AFTERNOON, THE WEST WINDS WE ARE EXPERIENCING ARE KEEPING HUMIDITY LEVELS LOW. THIS IN TURN HAS KEPT THE HEAT INDICES AT OR EVEN BELOW ACTUAL AIR TEMPERATURES. AS WINDS BECOME MORE SOUTHERLY TONIGHT AND THEN PERSIST THROUGH THE WEEKEND, AN INCREASE IN BOTH TEMPERATURE AND HUMIDITY IS EXPECTED. BOTH TOMORROW AND SATURDAY ARE FORECAST TO BE THE HOTTEST DAYS OF THIS HEAT WAVE FEATURING HIGHS IN THE MID 90S AND HEAT INDICES AROUND 100 DEGREES. THE HEAT AND HUMIDITY WILL CONTINUE ON SUNDAY AND PERHAPS INTO EARLY NEXT WEEK AS WELL, ALTHOUGH THE AIR TEMPERATURES COULD DROP A LITTLE BIT EACH DAY. EITHER WAY, THE COMBINATION OF THE HEAT, HUMIDITY AND THEIR CUMULATIVE EFFECTS OVER SEVERAL DAYS HAS RESULTED IN THE EXCESSIVE HEAT WARNING THROUGH SATURDAY EVENING AND THE CONTINUATION OF THE WATCH THROUGH SUNDAY EVENING. IN ADDITION TO THE HEAT OF THE DAY, LOW TEMPERATURES AT NIGHT MAY NOT COOL BELOW THE LOWER AND MID 70S, ESPECIALLY IN THE HIGHLY URBANIZED AREAS. AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ENVIRONMENT AND OUT OF THE SUNSHINE AND CHECK UP ON RELATIVES AND NEIGHBORS. THE VERY YOUNG, THE ELDERLY, AND THE INFIRM ARE MOST SUSCEPTIBLE TO HEAT-RELATED ILLNESSES. LASTLY, MAKE SURE PETS HAVE SHADE AND WATER AS THEY TOO ARE AFFECTED BY THE HEAT. STAY TUNED TO NOAA WEATHER RADIO ALL HAZARDS OR YOUR LOCAL MEDIA OUTLET FOR THE LATEST WEATHER INFORMATION. $$ KRUZDLO
000 WWUS71 KPHI 180745 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 345 AM EDT FRI JUL 18 2008 DEZ001-NJZ015-017>019-PAZ067>071-182100- /O.CON.KPHI.EH.W.0002.080718T1600Z-080720T0000Z/ /O.CON.KPHI.EH.A.0002.080720T0000Z-080720T2300Z/ NEW CASTLE-MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON- CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...TRENTON...GLASSBORO... CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...WEST CHESTER... NORRISTOWN...DOYLESTOWN...MEDIA...PHILADELPHIA 345 AM EDT FRI JUL 18 2008 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM EDT SATURDAY... ...EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY EVENING... AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM EDT SATURDAY. AN EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY EVENING. HIGH TEMPERATURES WERE CLOSE TO 90 TUESDAY. TEMPERATURES TOPPED OUT IN THE LOWER 90S WEDNESDAY AND IN THE LOWER AND MID 90S THURSDAY, ALTHOUGH THE HUMIDITY WAS ONLY MODERATE EACH DAY. WITH SOUTHWEST WINDS BRINGING IN MORE HUMIDITY TODAY, AND TEMPERATURES CLIMBING TO THE MID 90S IN THE URBAN AREAS, CONDITIONS WILL BE EVEN MORE UNCOMFORTABLE TODAY AND SATURDAY. SOME SPOTS MAY REACH THE UPPER 90S THIS AFTERNOON, BUT THAT IS EVEN MORE LIKELY SATURDAY. TODAY AND SATURDAY ARE FORECAST TO BE THE HOTTEST DAYS OF THIS HEAT WAVE. HEAT INDICES ARE EXPECTED TO REACH NEAR 100 DEGREES BOTH DAYS. THE HEAT AND HUMIDITY WILL CONTINUE TO SOME DEGREE SUNDAY, AND PERHAPS INTO EARLY NEXT WEEK AS WELL, ALTHOUGH TEMPERATURES MAY DROP A LITTLE BIT WITH THE PROXIMITY OF A FRONT WHICH COULD PRODUCE MORE CLOUDS AND SCATTERED THUNDERSTORMS. THE COMBINATION OF THE HEAT AND HUMIDITY AND THEIR CUMULATIVE EFFECTS OVER SEVERAL DAYS HAS RESULTED IN THE EXCESSIVE HEAT WARNING THROUGH SATURDAY EVENING, AND THE CONTINUATION OF THE EXCESSIVE HEAT WATCH THROUGH SUNDAY EVENING AS LESS CERTAINTY EXISTS ABOUT TEMPERATURES SUNDAY. IN ADDITION TO THE HEAT OF THE DAY, LOW TEMPERATURES AT NIGHT ARE NOT EXPECTED TO DROP BELOW THE LOWER AND MID 70S IN THE URBAN AREAS, WHICH WORSENS THE EFFECTS OF THE PERSISTENT HEAT AND HUMIDITY. AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ENVIRONMENT AND OUT OF THE SUNSHINE, AND CHECK UP ON RELATIVES AND NEIGHBORS. THE VERY YOUNG...THE ELDERLY...AND THE INFIRM ARE MOST SUSCEPTIBLE TO HEAT-RELATED ILLNESSES. MAKE SURE PETS AND LIVESTOCK HAVE PLENTY OF SHADE AND WATER. FOR THOSE RESIDENTS OF URBAN AREAS WHERE TEMPERATURES ARE HIGHEST, MAKE SURE YOUR DWELLING IS WELL VENTILATED. AND NEVER LEAVE ANY PERSON OR ANIMAL IN A CLOSED VEHICLE FOR ANY LENGTH OF TIME. STAY TUNED TO NOAA WEATHER RADIO ALL HAZARDS OR YOUR LOCAL MEDIA OUTLET FOR THE LATEST WEATHER INFORMATION. $$
000 WWUS71 KPHI 181930 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 330 PM EDT FRI JUL 18 2008 DEZ001-NJZ015-017>019-PAZ067>071-191000- /O.CON.KPHI.EH.W.0002.000000T0000Z-080720T0000Z/ /O.CON.KPHI.EH.A.0002.080720T0000Z-080720T2300Z/ NEW CASTLE-MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON- CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...TRENTON...GLASSBORO... CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...WEST CHESTER... NORRISTOWN...DOYLESTOWN...MEDIA...PHILADELPHIA 330 PM EDT FRI JUL 18 2008 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY... ...EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY EVENING... THE NATIONAL WEATHER SERVICE HAS CONTINUED THE EXCESSIVE HEAT WARNING UNTIL 800 PM ON SATURDAY. ALSO, AN EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY EVENING. HIGH TEMPERATURES WERE CLOSE TO 90 DEGREES ON TUESDAY. TEMPERATURES REACHED THE LOWER 90S ON WEDNESDAY, AND THE LOWER AND MIDDLE 90S ON THURSDAY. HOWEVER, THE HUMIDITY LEVELS WERE RELATIVELY LOW EACH DAY. A SOUTHWEST WIND BROUGHT AN INCREASE IN HUMIDITY TODAY AS TEMPERATURES CLIMBED INTO THE MIDDLE 90S THROUGHOUT MUCH OF THE PHILADELPHIA METROPOLITAN AREA. HEAT INDEX VALUES REACHED 100 AT A NUMBER OF LOCATIONS. THE SAME IS EXPECTED FOR SATURDAY AFTERNOON. MEANWHILE, LITTLE RELIEF IS ANTICIPATED FOR TONIGHT, AS TEMPERATURES DROP ONLY INTO THE 70S. AS A RESULT, THE NATIONAL WEATHER SERVICE HAS CONTINUED THE EXCESSIVE HEAT WARNING UNTIL 800 PM ON SATURDAY. THE EXCESSIVE HEAT MAY CONTINUE INTO SUNDAY. HOWEVER, AN INCREASE IN CLOUD COVER COULD KEEP TEMPERATURES FROM REACHING THE MIDDLE 90S AGAIN, AND HEAT INDEX VALUES MAY REMAIN BELOW 100. DUE TO THE UNCERTAINTY SURROUNDING SUNDAYS FORECAST TEMPERATURES, THE NATIONAL WEATHER SERVICE HAS MAINTAINED AN EXCESSIVE HEAT WATCH FOR SATURDAY NIGHT AND SUNDAY. AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF HOT WEATHER IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL CREATE A DANGEROUS SITUATION IN WHICH HEAT ILLNESS IS POSSIBLE. DRINK PLENTY OF FLUIDS, STAY IN AN AIR CONDITIONED ENVIRONMENT AND OUT OF THE SUNSHINE, AND CHECK ON ELDERLY RELATIVES AND NEIGHBORS. THE VERY YOUNG, THE ELDERLY, AND THE INFIRM ARE MOST SUSCEPTIBLE TO HEAT RELATED ILLNESS. MAKE SURE PETS AND LIVESTOCK HAVE PLENTY OF SHADE AND WATER. FOR THOSE RESIDENTS IN URBAN AREAS WHERE TEMPERATURES ARE THE HIGHEST, MAKE SURE YOUR DWELLING IS WELL VENTILATED. DURING THE HOT WEATHER, NEVER LEAVE A PERSON OR ANIMAL IN A CLOSED VEHICLE FOR ANY LENGTH OF TIME. $$ IOVINO
000 WWUS71 KPHI 190828 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 428 AM EDT SAT JUL 19 2008 DEZ001-NJZ015-017>019-PAZ067>071-192100- /O.EXT.KPHI.EH.A.0002.080720T0000Z-080721T2300Z/ /O.CON.KPHI.EH.W.0002.000000T0000Z-080720T0000Z/ NEW CASTLE-MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON- CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...TRENTON...GLASSBORO... CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...WEST CHESTER... NORRISTOWN...DOYLESTOWN...MEDIA...PHILADELPHIA 428 AM EDT SAT JUL 19 2008 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...EXCESSIVE HEAT WATCH NOW IN EFFECT FROM THIS EVENING THROUGH MONDAY EVENING... THE EXCESSIVE HEAT WATCH IS NOW IN EFFECT FROM THIS EVENING THROUGH MONDAY EVENING. AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING. THE STRING OF 90-DEGREE-PLUS DAYS WILL CONTINUE THROUGH TODAY...AND MAY WELL CONTINUE THROUGH MONDAY. YESTERDAY WAS THE HOTTEST DAY SO FAR WITH MAXIMUM TEMPERATURES IN THE MIDDLE 90S... AND TODAY WILL BE JUST AS HOT. DEW POINTS ARE EXPECTED TO REMAIN IN THE 60S...WHICH WILL KEEP RELATIVE HUMIDITY LEVELS FROM BEING TOO HIGH...BUT HEAT INDICES IN THE URBANIZED AREAS OF THE DELAWARE VALLEY ARE EXPECTED TO CLIMB TO AROUND 100 THIS AFTERNOON. LATEST GUIDANCE SUGGESTS THAT THE EXCESSIVE HEAT MAY CONTINUE INTO MONDAY. AN INCREASE IN CLOUD COVER CONCEIVABLY COULD KEEP TEMPERATURES FROM REACHING THE MIDDLE 90S AGAIN...BUT HIGHER DEW POINTS MIGHT DEVELOP AND CAUSE AFTERNOON HEAT INDICES TO AGAIN REACH NEAR 100. MOREOVER...THE EXTENDED STRING OF 90-DEGREE-PLUS DAYS LIKELY WILL BEGIN TO TAKE ITS TOLL. AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF HOT WEATHER IS OCCURRING. HEAT ILLNESS IS POSSIBLE...ESPECIALLY AMONG THE ELDERLY...THE VERY YOUNG AND THE INFIRM. DRINK PLENTY OF FLUIDS...STAY IN AN AIR CONDITIONED ENVIRONMENT AND OUT OF THE SUNSHINE...AND CHECK ON ELDERLY AND INFIRM RELATIVES AND NEIGHBORS. MAKE SURE PETS AND LIVESTOCK HAVE PLENTY OF SHADE AND COOL WATER. REGARDING PETS...THE MOST HUMANE THING TO DO IS TO BRING THEM INDOORS. FOR THOSE RESIDENTS IN URBAN AREAS WHERE TEMPERATURES ARE THE HIGHEST... MAKE SURE YOUR DWELLING IS WELL VENTILATED. DURING THE HOT WEATHER...NEVER LEAVE A PERSON OR ANIMAL IN A CLOSED VEHICLE FOR ANY LENGTH OF TIME. $$ IOVINO/DELISI
000 WWUS71 KPHI 191950 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 350 PM EDT SAT JUL 19 2008 DEZ001-NJZ015-017>019-PAZ067>071-201100- /O.UPG.KPHI.EH.A.0002.080720T0000Z-080721T2300Z/ /O.EXT.KPHI.EH.W.0002.000000T0000Z-080721T0000Z/ NEW CASTLE-MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON- CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...TRENTON...GLASSBORO... CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...WEST CHESTER... NORRISTOWN...DOYLESTOWN...MEDIA...PHILADELPHIA 350 PM EDT SAT JUL 19 2008 ...EXCESSIVE HEAT WARNING NOW IN EFFECT UNTIL 8 PM EDT SUNDAY... THE EXCESSIVE HEAT WARNING IS NOW IN EFFECT UNTIL 8 PM EDT SUNDAY. THE EXCESSIVE HEAT WATCH IS NO LONGER IN EFFECT. TODAY IS ANOTHER HOT DAY, AND TONIGHT WILL BE NO DIFFERENT. TEMPERATURES ACROSS THE REGION ARE IN THE MID 90S BUT A FRESH SOUTHWEST TO WEST WIND IS PROVIDING ENOUGH VENTILATION, AND BRINING IN DRY AIR TO OFFSET THE HIGH TEMPERATURES. AS A RESULT, THE HUMIDITY HAS BEEN KEPT LOWER AND NOT AS OPPRESSIVE AS FRIDAY. THE VISIBILITY ACROSS THE REGION IS VERY GOOD WHICH IS A SURE SIGN OF VENTILATION, AND CLEANER AIR OVERHEAD TODAY THAN ON FRIDAY. HOWEVER, THE EXCESSIVE HEAT WARNING WILL CONTINUE OVERNIGHT THROUGH SUNDAY EVENING. THE TEMPERATURES WILL BE IN THE MID 70S OVERNIGHT AND WITH LESS VENTILATION FROM THE WIND, WILL MAKE THE NIGHTTIME AIR FEEL CLOSE. THE TEMPERATURES ON SUNDAY WILL BE A DEGREE OR TWO HIGHER, BUT A NOTICEABLE INCREASE IN THE HUMIDITY WILL OCCUR. HEAT INDICES WILL BE NEAR 100 DEGREES. SUNDAY EVENING WILL BRING AN END TO THE EXCESSIVE HEAT, BUT TEMPERATURES ARE STILL GOING TO GET TO THE LOWER 90S WITH A HEAT INDEX IN THE MID 90S ON MONDAY. TUESDAYS HIGH WILL BE NEAR 90 DEGREES. TEMPERATURES WILL BE LOWERING A FEW DEGREES, OR INTO THE MID 80S BY WEDNESDAY INTO FRIDAY. MAKE SURE PETS AND LIVESTOCK HAVE PLENTY OF SHADE AND COOL WATER. REGARDING PETS...THE MOST HUMANE THING TO DO IS TO BRING THEM INDOORS. FOR THOSE RESIDENTS IN URBAN AREAS WHERE TEMPERATURES ARE THE HIGHEST... MAKE SURE YOUR DWELLING IS WELL VENTILATED. DURING THE HOT WEATHER...NEVER LEAVE A PERSON OR ANIMAL IN A CLOSED VEHICLE FOR ANY LENGTH OF TIME. AN EXCESSIVE HEAT WARNING MEANS THAT A CONTINUED PERIOD OF DANGEROUSLY HOT TEMPERATURES WILL OCCUR. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS SITUATION IN WHICH HEAT ILLNESSES ARE LIKELY. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN... AND CHECK UP ON RELATIVES AND NEIGHBORS. $$ EBERWINE/IOVINO
What forecasters said that day
The local office's own words before this excessive heat watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Philadelphia/Mount Holly wrote its last area forecast discussion before this excessive heat watch went out at Jul 15, 3:15 PM EDT, 26 minutes earlier.
Area forecast discussion, Jul 15, 3:15 PM EDT, 26 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
315 PM EDT TUE JUL 15 2008
.SYNOPSIS...
HIGH PRESSURE WILL REMAIN OVER THE REGION THE ENTIRE WEEK AS IT
BECOMES HOT AND MORE HUMID.
&&
.NEAR TERM /UNTIL 6 AM WEDNESDAY MORNING/...
THE DYNAMICS ASSOCIATED WITH A HEAT-WAVE ARE NOT AS EXCITING AS
OTHER SITUATIONS, HOWEVER THE RESULTS ARE LONGER LASTING. WE LOOK
UPSTAIRS FIRST AND NOTICE THE TROUGH LIFTING OFF TO THE NORTHEAST
WITH THE JET STREAM. HIGH PRESSURE OVER TEXAS THIS AFTERNOON WILL
BUILD TO THE NORTHEAST AS WE PUT THE FIRSTS COALS ON THE FIRE.
A FAIR AMOUNTS OF DIURNAL CUMULUS ALONG THE EASTERN SEABOARD WILL
DECREASE AFTER SUNDOWN AND TONIGHT SHOULD BE A COMFORTABLE ONE.
TROPICAL STORM BERTHA AT LAST ADVISORY IS 690 NM OFF THE DE/NJ COAST
AND IS MOVING NORTH NORTHEAST. ONCE AGAIN WE HAVE A STALLED FRONT
BETWEEN THE MAINLAND AND THE STORM BUT CLOUDINESS REMAINS WELL OFF
THE COAST. A COMFORTABLE NIGHT TONIGHT WITH LOWS IN THE LOWER 50S TO
MID 60S AND DEW POINTS FROM 50 TO THE LOW AND MID 60S.
&&
.SHORT TERM /6 AM WEDNESDAY MORNING THROUGH WEDNESDAY NIGHT/...
THE DYNAMICS ASSOCIATED WITH A HEAT-WAVE ARE NOT AS EXCITING AS
OTHER SITUATIONS, HOWEVER THE RESULTS ARE LONGER LASTING. WE LOOK
UPSTAIRS FIRST AND NOTICE THE TROUGH LIFTING OFF TO THE NORTHEAST
WITH THE JET STREAM. HIGH PRESSURE OVER TEXAS THIS AFTERNOON WILL
BUILD TO THE NORTHEAST AS WE PUT THE FIRSTS COALS ON THE FIRE.
A FAIR AMOUNTS OF DIURNAL CUMULUS ALONG THE EASTERN SEABOARD WILL
DECREASE AFTER SUNDOWN AND TONIGHT SHOULD BE A COMFORTABLE ONE.
TROPICAL STORM BERTHA AT LAST ADVISORY IS 690 NM OFF THE DE/NJ COAST
AND IS MOVING NORTH NORTHEAST. ONCE AGAIN WE HAVE A STALLED FRONT
BETWEEN THE MAINLAND AND THE STORM BUT CLOUDINESS REMAINS WELL OFF
THE COAST. A COMFORTABLE NIGHT TONIGHT WITH LOWS IN THE LOWER 50S TO
MID 60S AND DEW POINTS FROM 50 TO THE LOW AND MID 60S.
&&
.LONG TERM /THURSDAY THROUGH TUESDAY/...
THE HEAT IS TURNING UP THROUGH THIS PERIOD. AS A RESULT...HAVE
ISSUED A EXCESSIVE HEAT WATCH FOR THE HIGHLY URBANIZED AREAS. THIS
IS NOT TO SAY THE SURROUNDING AREAS WONT BE HOT, BUT THE TOLERANCE
AWAY FROM THE HIGHLY URBANIZED AREAS IS GREATER. BY THE END OF THE
WEEK HOWEVER...THERE MAY BE ADVISORIES OR WARNINGS FOR OTHER AREAS
AS WELL. THE MESSAGE EARLY ON IS TO PREPARE FOR THE HEAT AND TAKE IT
EASY.
THE UPPER RIDGE BEGINS TO NOSE INTO THE OHIO VALLEY AND TAKES A
FOOTHOLD ON THE DELAWARE VALLEY BY THURSDAY. 80H TEMPERATURES WILL
REACH +16 TO +18C ON WEDNESDAY AND EVENING WARMER THURSDAY INTO
FRIDAY. THE SURFACE CIRCULATION IS LIGHT SO THERE WILL BE LITTLE
VENTILATION TO COUNT ON FOR THE HEAT TO ESCAPE INTO THE ATMOSPHERE.
HIGH TEMPERATURES ON WEDNESDAY WILL BE IN THE MID TO UPPER 80S FAR
NORTH...REACH 90 BY FRIDAY. DEW POINTS WILL CLIMB FROM 60 ON
WEDNESDAY TO 67 ON FRIDAY. FOR THE LEHIGH VALLEY HIGHS WILL BE IN
THE MID 90S AND DEW POINTS IN THE UPPER 50S ON WED TO THE MID 60S BY
FRIDAY. IN THE HIGHLY URBANIZED AREAS HIGHS WILL BE IN THE MID 90S
WITH THE TEMPERATURES NEARING 70 BY FRIDAY. SOUTHERN ZONES WILL HAVE
THE DEW POINTS REACHING 70 THURSDAY AND FRIDAY. NO PRECIPITATION IS
EXPECTED THROUGH THIS PERIOD. THERE WILL BE A SEA BREEZE SET IN EACH
DAY SO MUCH COOLER TEMPERATURES AT THE SHORE. AND THE OCEAN
TEMPERATURE HAS GONE UP THE PAST SEVERAL DAYS INTO THE MID AND UPPER
60S.
&&
.AVIATION /19Z TUESDAY THROUGH SUNDAY/...
HIGH PRESSURE PARKED TO OUR WEST AND SOUTHWEST WILL SLOWLY SLIDE
SOUTHEASTWARD DURING THE NEXT DAY OR TWO. THERE IS PLENTY OF DRY AIR
IN PLACE, ALTHOUGH WITH THE DAYTIME HEATING, JUST ENOUGH LOW-LEVEL
MOISTURE IS PRESENT TO PRODUCE SOME CUMULUS. MOST PLACES WILL HAVE
SCATTERED CUMULUS BUT IT MAY GO BROKEN IN SOME SPOTS FOR A SHORT
TIME, HOWEVER VFR CONDITIONS WILL DOMINATE. THESE CLOUDS ARE DRIVEN
BY DAYTIME HEATING, THEREFORE WE ARE EXPECTING THEM TO DISSIPATE
EARLY THIS EVENING. OTHERWISE, A CLEAR SKY EXPECTED TONIGHT. A
MAINLY VARIABLE WIND UNDER 10 KNOTS INTO THIS EVENING, HOWEVER A SEA
BREEZE CIRCULATION DEVELOPED EARLIER THIS AFTERNOON. THIS WILL
CONTINUE TO AFFECT KACY AND EVENTUALLY KMIV, THEN TRACK WESTWARD
THROUGH THE EARLY EVENING HOURS. WE CONTINUED WITH THE IDEA OF A
WIND SHIFT AFFECTING KTTN, KPNE, KPHL AND KILG. ONCE WE LOSE THE
HEATING, WINDS ARE EXPECTED TO BE RATHER LIGHT TO CALM FOR THE
OVERNIGHT.
THE FORECAST SOUNDINGS ARE NOT SHOWING MUCH IN THE WAY OF MOISTURE
TONIGHT AND EARLY WEDNESDAY MORNING. HOWEVER, A TOUCH OF FOG WILL BE
POSSIBLE, ESPECIALLY IN THE MORE PRONE LOCATIONS SUCH AS KRDG AND
KMIV. OTHERWISE, WITH HIGH PRESSURE IN CONTROL, PROBABLY JUST A
TOUCH OF CUMULUS DEVELOPING ON WEDNESDAY. A LIGHT NORTHERLY SURFACE
WIND SHOULD GRADUALLY TURN TO THE SOUTHWEST, HOWEVER ANOTHER SEA
BREEZE CIRCULATION WILL ONCE AGAIN OCCUR MAINLY AFTER 17Z.
OUTLOOK...
HIGH PRESSURE WILL SETTLE SOUTH OF THE AREA WEDNESDAY NIGHT AND
THURSDAY. AS LOW-LEVEL MOISTURE INCREASES, THERE MAY BE SOME FOG A
FEW HOURS EITHER SIDE OF DAYBREAK ON THURSDAY. ALSO, WITH THE
BUILDING HEAT AND HUMIDITY, SOME HAZE MAY DEVELOP. A COLD FRONT IS
THEN FORECAST TO DROP INTO OUR AREA SATURDAY AND POTENTIALLY STALL
ON SUNDAY, BEFORE MOVING BACK NORTHWARD. THE THREAT OF CONVECTION
APPEARS TO RETURN LATER SATURDAY AND SUNDAY.
&&
.MARINE...
A WIND GENERALLY 10 KNOTS OR LESS, COMPLIMENTS OF HIGH PRESSURE, IS
EXPECTED TO CONTINUE ACROSS THE WATERS DURING THE NEXT FEW DAYS.
GIVEN THE WEAK GRADIENT IN PLACE, SURFACE WINDS WILL BECOME ONSHORE
FROM ABOUT MIDDAY ON DURING WEDNESDAY. SPEAKING OF ONSHORE WINDS, A
SEA BREEZE ORGANIZED THIS AFTERNOON AROUND MIDDAY WITH NEARSHORE
WINDS EAST TO SOUTHEAST. THE WINDS HAVE TURNED TO THE SOUTHEAST IN
DELAWARE BAY ESPECIALLY CLOSER TO THE MOUTH /VIA A 1745Z CAPE MAY
FERRY REPORT/. WITH THE SURFACE HIGH MAINLY POSITIONED TO OUR WEST
THROUGH WEDNESDAY, AN ONSHORE COMPONENT OF THE WIND IS EXPECTED, BUT
GENERALLY UNDER 10 KNOTS. AS THE HIGH FINALLY SLIDES TO OUR SOUTH,
WINDS WILL BECOME SOUTHERLY THURSDAY AND CONTINUE INTO SATURDAY. A
FRONTAL BOUNDARY MAY DROP INTO PARTS OF THE REGION ON SATURDAY AND
STALL INTO SUNDAY. THE POSITION OF THIS FRONT WILL ULTIMATELY
DETERMINE THE WIND DIRECTION. THIS BOUNDARY MAY TRY AND LIFT BACK
NORTHWARD LATER SUNDAY. AS OF NOW, NO HEADLINES ON THE WATERS ARE
NEEDED. AS THE DEW POINTS RISE DURING THE SECOND HALF OF THIS WEEK,
SOME ADVECTION FOG WILL BE POSSIBLE OVER THE WATERS, ESPECIALLY
FRIDAY AND SATURDAY.
RIP CURRENTS...
A MODERATE RISK REMAINS IN EFFECT THROUGH THIS EVENING AS THE LONG
PERIOD SOUTHEASTERLY SWELLS CONTINUE. BUOY OBSERVATIONS AS WELL AS
C-MAN STATION REPORTS INDICATE THAT LONG PERIOD SOUTHEASTERLY
SWELLS /AROUND 11 SECONDS/ CONTINUE TO ARRIVE INTO OUR WATERS FROM
TROPICAL STORM BERTHA. THE TREND HAS BEEN A DIMINISHING ONE AS
BERTHA MOVES FURTHER AWAY, WITH SWELLS NOW GENERALLY 2 TO 3 FEET.
EVEN THOUGH THE RISK IS A BIT LOWER THAN PREVIOUS DAYS, CONTINUING
TO USE EXTRA CAUTION AND CHECK WITH LIFE GUARDS IS STRONGLY
RECOMMENDED.
&&
.PHI WATCHES/WARNINGS/ADVISORIES...
PA...EXCESSIVE HEAT WATCH FROM THURSDAY AFTERNOON THROUGH SATURDAY
AFTERNOON FOR PAZ067>071.
NJ...EXCESSIVE HEAT WATCH FROM THURSDAY AFTERNOON THROUGH SATURDAY
AFTERNOON FOR NJZ015-017>019.
DE...EXCESSIVE HEAT WATCH FROM THURSDAY AFTERNOON THROUGH SATURDAY
AFTERNOON FOR DEZ001.
MD...NONE.
MARINE...NONE.
&&
SYNOPSIS/NEAR-SHORT-LONG TERM...EBERWINE
AVIATION/MARINE...GORSEHazardous weather outlook, Jul 15, 3:40 AM EDT, 12 hours 1 minute before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 340 AM EDT TUE JUL 15 2008 DEZ002-003-MDZ008-012-015-019-020-NJZ001-007>010-012-013-016-020>023- 027-PAZ054-055-060>062-161000- KENT DE-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES-TALBOT-CAROLINE- SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-WESTERN MONMOUTH- SALEM-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-SOUTHEASTERN BURLINGTON- CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON- 340 AM EDT TUE JUL 15 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL DELAWARE...SOUTHERN DELAWARE...EASTERN MARYLAND...NORTHEAST MARYLAND...CENTRAL NEW JERSEY...NORTHERN NEW JERSEY...SOUTHERN NEW JERSEY...EAST CENTRAL PENNSYLVANIA AND NORTHEAST PENNSYLVANIA. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY IT WILL BECOME HOTTER AND INCREASINGLY MORE HUMID STARTING THURSDAY AND PROBABLY LASTING INTO THE WEEKEND. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. DEZ001-NJZ015-017>019-PAZ067>071-161000- NEW CASTLE-MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-CHESTER- MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA- 340 AM EDT TUE JUL 15 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN DELAWARE...CENTRAL NEW JERSEY...SOUTHERN NEW JERSEY AND SOUTHEAST PENNSYLVANIA. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY IT WILL BECOME HOTTER AND INCREASINGLY MORE HUMID STARTING THURSDAY AND PROBABLY LASTING INTO THE WEEKEND. HIGH TEMPERATURES IN ALL LIKELIHOOD WILL REACH THE 90S ON THURSDAY WITH THE POTENTIAL FOR MORE 90S AND MORE HUMID CONDITIONS FOR FRIDAY INTO THE WEEKEND. THERE IS A CHANCE THAT HEAT ADVISORIES OR EXCESSIVE HEAT WARNINGS MIGHT BECOME NECESSARY FOR URBANIZED AREAS LATER THIS WEEK INTO THE WEEKEND. PLEASE LOOK FOR UPDATES IN LATER PRODUCTS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. DEZ004-NJZ014-024>026-161000- DELAWARE BEACHES-EASTERN MONMOUTH-ATLANTIC COASTAL CAPE MAY- COASTAL ATLANTIC-COASTAL OCEAN- 340 AM EDT TUE JUL 15 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN DELAWARE...CENTRAL NEW JERSEY AND SOUTHERN NEW JERSEY. .DAY ONE...TODAY AND TONIGHT THERE IS A MODERATE RISK OF RIP CURRENTS TODAY. CONSULT YOUR LOCAL BEACH PATROL BEFORE ENTERING THE WATER TODAY. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY THERE IS THE POTENTIAL FOR AN ENHANCED RISK OF RIP CURRENTS THROUGH MOST OF THE WEEK. CONSULT YOUR LOCAL BEACH PATROL BEFORE ENTERING THE WATER THE NEXT SEVERAL DAYS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. ANZ430-431-450>455-161000- DELAWARE BAY WATERS NORTH OF EAST POINT NJ TO SLAUGHTER BEACH DE- DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE- COASTAL WATERS FROM SANDY HOOK TO MANASQUAN INLET NJ OUT 20 NM- COASTAL WATERS FROM MANASQUAN INLET TO LITTLE EGG INLET NJ OUT 20 NM- COASTAL WATERS FROM LITTLE EGG INLET TO GREAT EGG INLET NJ OUT 20 NM- COASTAL WATERS FROM GREAT EGG INLET TO CAPE MAY NJ OUT 20 NM- COASTAL WATERS FROM CAPE MAY NJ TO CAPE HENLOPEN DE OUT 20 NM- COASTAL WATERS FROM CAPE HENLOPEN TO FENWICK ISLAND DE OUT 20 NM- 340 AM EDT TUE JUL 15 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS AND DELAWARE BAY WATERS. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. TFG
Nearby
Excessive Heat Watches in New Jersey, 2008Excessive Heat Watches in Pennsylvania, 2008Excessive Heat Watches in Delaware, 2008Every excessive heat watch in 2008
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.