Alert archive / New Jersey / Excessive Heat Warnings in 2010
Excessive Heat Warning 2, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this excessive heat warning at Jun 26, 2010, 3:36 PM EDT for Delaware County, Philadelphia County, Pennsylvania; 4 counties in New Jersey; New Castle County, Delaware. It took effect at Jun 27, 2010, 12:00 PM EDT. It was in force for 30 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
- Jun 26, 2010, 3:36 PM EDT (19:36 UTC)
- In effect from
- Jun 27, 2010, 12:00 PM EDT
- Expired
- Jun 28, 2010, 6:28 PM EDT
- In force
- 30 hr
- 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 19:37 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, 7.6 hours before the alert went out and 218 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
- 61 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 1338 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 109 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
923 WWUS71 KPHI 261936 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 336 PM EDT SAT JUN 26 2010 DEZ001-NJZ015-017>019-PAZ067>071-271100- /O.UPG.KPHI.EH.A.0002.100627T1600Z-100629T0000Z/ /O.NEW.KPHI.EH.W.0002.100627T1600Z-100629T0000Z/ 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 336 PM EDT SAT JUN 26 2010 ...EXCESSIVE HEAT WARNING IN EFFECT FROM NOON SUNDAY TO 8 PM EDT MONDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED AN EXCESSIVE HEAT WARNING...WHICH IS IN EFFECT FROM NOON SUNDAY TO 8 PM EDT MONDAY. THE EXCESSIVE HEAT WATCH IS NO LONGER IN EFFECT. THE COMBINATION OF NEAR RECORD HEAT AND INCREASING HUMIDITY WILL RESULT IN HEAT INDEX VALUES REACHING NEAR 100 DEGREES FOR A FEW HOURS SUNDAY AFTERNOON AND AGAIN MONDAY AFTERNOON. HIGHS ON SUNDAY WILL REACH INTO THE LOWER TO MID 90S...AS THE HUMIDITY INCREASES. THE COMBINATION WILL RESULT IN THE HEAT INDEX CLIMBING TO BETWEEN 95 AND 100 DEGREES IN THE URBANIZED AREAS FOR AT LEAST A COUPLE OF HOURS SUNDAY AFTERNOON. MUGGY CONDITIONS ARE EXPECTED SUNDAY NIGHT INTO MONDAY MORNING. LOW TEMPERATURES MAY ONLY FALL OFF INTO THE UPPER 70S IN MOST URBANIZED AREAS. HIGHS MONDAY WILL REACH INTO THE MID 90S...WITH HIGHER HUMIDITY THAN SUNDAY AFTERNOON. THIS WILL PUSH INDEX VALUES TO BETWEEN 98 AND 103 DEGREES FOR A FEW HOURS MONDAY AFTERNOON. A COLD FRONT WILL CROSS THE REGION MONDAY NIGHT OR TUESDAY MORNING...BRINGING A BREAK IN THE HEAT. COOLER TEMPERATURES AND DRIER CONDITIONS ARE EXPECTED FOR THE MIDDLE AND END OF NEXT WEEK. PRECAUTIONARY/PREPAREDNESS ACTIONS... AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED 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. && $$
8 follow-up statements
493 WWUS71 KPHI 270827 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 427 AM EDT SUN JUN 27 2010 DEZ001-NJZ015-017>019-PAZ067>071-271630- /O.CON.KPHI.EH.W.0002.100627T1600Z-100629T0000Z/ 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 427 AM EDT SUN JUN 27 2010 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM EDT MONDAY... AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM EDT MONDAY FOR THE PHILADELPHIA WILMINGTON METRO AREA. THE COMBINATION OF NEAR RECORD HEAT AND INCREASING HUMIDITY WILL RESULT IN HEAT INDEX VALUES REACHING NEAR 100 DEGREES FOR 1 TO 3 HOURS THIS AFTERNOON AND AGAIN MONDAY AFTERNOON. HIGHS TODAY WILL BE IN THE LOWER TO MID 90S...WITH THE HEAT INDEX RISING TO BETWEEN 95 AND 100 DEGREES IN THE URBANIZED AREAS FOR AT LEAST A COUPLE OF HOURS THIS AFTERNOON. MUGGY CONDITIONS ARE EXPECTED TONIGHT INTO MONDAY MORNING. LOW TEMPERATURES MAY ONLY FALL OFF INTO THE UPPER 70S IN MOST URBANIZED AREAS. HIGHS MONDAY WILL REACH INTO THE MID 90S...WITH HIGHER HUMIDITY THAN THAT OF THIS AFTERNOON. THIS WILL PUSH INDEX VALUES TO BETWEEN 98 AND 103 DEGREES FOR A FEW HOURS MONDAY AFTERNOON. A COLD FRONT WILL CROSS THE REGION MONDAY NIGHT OR TUESDAY MORNING...BREAKING THE SIEGE OF PERSISTENT WARMTH THAT HAS PROPELLED THIS ENTIRE MONTH OF JUNE TO POSSIBLY THE WARMEST ON RECORD. SIGNIFICANTLY COOLER MORE COMFORTABLE AIR WILL ARRIVE TUESDAY AND REMAIN THROUGH FRIDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED 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. && $$ DRAG
972 WWUS71 KPHI 271325 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 925 AM EDT SUN JUN 27 2010 DEZ001-NJZ015-017>019-PAZ067>071-272200- /O.CON.KPHI.EH.W.0002.100627T1600Z-100629T0000Z/ 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 925 AM EDT SUN JUN 27 2010 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT MONDAY... AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT MONDAY. THE COMBINATION OF NEAR RECORD HEAT AND INCREASING HUMIDITY WILL RESULT IN HEAT INDEX VALUES REACHING NEAR 100 DEGREES FOR 1 TO 3 HOURS THIS AFTERNOON AND AGAIN MONDAY AFTERNOON. HIGHS TODAY WILL BE IN THE LOWER TO MID 90S...WITH THE HEAT INDEX RISING TO BETWEEN 95 AND 100 DEGREES IN THE URBANIZED AREAS FOR AT LEAST A COUPLE OF HOURS THIS AFTERNOON. MUGGY CONDITIONS ARE EXPECTED TONIGHT INTO MONDAY MORNING. LOW TEMPERATURES MAY ONLY FALL OFF INTO THE UPPER 70S IN MOST URBANIZED AREAS. HIGHS MONDAY WILL REACH INTO THE MID 90S...WITH HIGHER HUMIDITY THAN THAT OF THIS AFTERNOON. THIS WILL PUSH INDEX VALUES TO BETWEEN 98 AND 103 DEGREES FOR A FEW HOURS MONDAY AFTERNOON. A COLD FRONT WILL CROSS THE REGION MONDAY NIGHT OR TUESDAY MORNING...BREAKING THE SIEGE OF PERSISTENT WARMTH THAT HAS PROPELLED THIS ENTIRE MONTH OF JUNE TO POSSIBLY THE WARMEST ON RECORD. SIGNIFICANTLY COOLER MORE COMFORTABLE AIR WILL ARRIVE TUESDAY AND REMAIN THROUGH FRIDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED 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. && $$
703 WWUS71 KPHI 271945 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 345 PM EDT SUN JUN 27 2010 DEZ001-NJZ015-017>019-PAZ067>071-281100- /O.CON.KPHI.EH.W.0002.000000T0000Z-100629T0000Z/ NEW CASTLE-MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON- CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...TRENTON...GLASSBORO... CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...WEST CHESTER... NORRISTOWN...DOYLESTOWN...MEDIA...PHILADELPHIA 345 PM EDT SUN JUN 27 2010 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT MONDAY... AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT MONDAY. THE COMBINATION OF NEAR RECORD HEAT AND INCREASING HUMIDITY WILL RESULT IN HEAT INDEX VALUES REACHING NEAR 100 DEGREES FOR 1 TO 3 HOURS AGAIN MONDAY AFTERNOON. MUGGY CONDITIONS ARE EXPECTED TONIGHT INTO MONDAY MORNING. LOW TEMPERATURES MAY ONLY FALL OFF INTO THE UPPER 70S IN MOST URBANIZED AREAS. HIGHS MONDAY WILL REACH INTO THE LOWER TO MID 90S...WITH HIGHER HUMIDITY THAN THAT OF THIS AFTERNOON. THIS WILL PUSH INDEX VALUES TO BETWEEN 98 AND 103 DEGREES FOR A FEW HOURS MONDAY AFTERNOON. A COLD FRONT WILL CROSS THE REGION MONDAY NIGHT OR TUESDAY MORNING...BREAKING THE SIEGE OF PERSISTENT WARMTH THAT HAS PROPELLED THIS ENTIRE MONTH OF JUNE TO POSSIBLY THE WARMEST ON RECORD. SIGNIFICANTLY COOLER MORE COMFORTABLE AIR WILL ARRIVE TUESDAY AND REMAIN THROUGH FRIDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF DANGEROUSLY HOT TEMPERATURES WILL OCCUR. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS SITUATION IN WHICH HEAT ILLNESSES ARE LIKELY. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN... AND CHECK UP ON RELATIVES AND NEIGHBORS. && $$
232 WWUS71 KPHI 280833 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 433 AM EDT MON JUN 28 2010 DEZ001-NJZ015-017>019-PAZ067>071-281645- /O.CON.KPHI.EH.W.0002.000000T0000Z-100629T0000Z/ 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 433 AM EDT MON JUN 28 2010 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR THE PHILADELPHIA WILMINGTON METRO CORRIDOR. THE COMBINATION OF NEAR RECORD HEAT AND INCREASING HUMIDITY WILL RESULT IN HEAT INDEX VALUES REACHING AROUND 100 DEGREES FOR 1 TO 3 HOURS THIS AFTERNOON. YESTERDAY THE HEAT INDEX TOPPED OUT AROUND 99 DEGREES. TODAY IT COULD FEEL SEVERAL DEGREES WARMER IF THE SUN IS SHINING BRIGHTLY THROUGH 1 PM. TEMPERATURES THIS MORNING DID NOT DROP BELOW 80 IN THE URBAN CENTERS AND AT 4 AM WERE RUNNING ABOUT 6 DEGREES WARMER THAN 24 HOURS AGO! A COLD FRONT ENTERING THE REGION LATE TODAY WILL PUNCTUATE THE EXCESSIVE WARMTH WITH SCATTERED INTENSE THUNDERSTORMS THAT COULD CAUSE POWER OUTAGES. SIGNIFICANTLY COOLER MORE COMFORTABLE AIR WILL ARRIVE TUESDAY AND REMAIN THROUGH FRIDAY...BEFORE HOT WEATHER RETURNS BY THE FOURTH OF JULY. PRECAUTIONARY/PREPAREDNESS ACTIONS... AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED 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. && $$ DEZ002-003-MDZ015-019-020-NJZ012>014-016-020>023-027-281645- /O.NEW.KPHI.HT.Y.0001.100628T1600Z-100628T2100Z/ KENT-INLAND SUSSEX-QUEEN ANNES-TALBOT-CAROLINE-MIDDLESEX- WESTERN MONMOUTH-EASTERN MONMOUTH-SALEM-OCEAN-CUMBERLAND-ATLANTIC- CAPE MAY-SOUTHEASTERN BURLINGTON- INCLUDING THE CITIES OF...DOVER...GEORGETOWN...CENTREVILLE... EASTON...DENTON...NEW BRUNSWICK...FREEHOLD...SANDY HOOK... PENNSVILLE...JACKSON...MILLVILLE...HAMMONTON... CAPE MAY COURT HOUSE...WHARTON STATE FOREST 433 AM EDT MON JUN 28 2010 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 5 PM EDT THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A HEAT ADVISORY...WHICH IS IN EFFECT FROM NOON TODAY TO 5 PM EDT THIS AFTERNOON. POSSIBLY THE HOTTEST DAY OF THE CURRENT HEAT SPELL IS AT HAND. THE HEAT INDEX SHOULD RISE TO NEAR 105 DEGREES FOR 1 TO 3 HOURS BETWEEN NOON AND 5PM BEFORE SCATTERED INTENSE THUNDERSTORMS BREAK THE HEAT. ALREADY DURING THE PREDAWN HOURS OF THIS MORNING...TEMPERATURES WERE RUNNING AT LEAST 5 DEGREES WARMER THAN 24 HOURS AGO. A COLD FRONT ENTERING THE REGION LATE TODAY WILL PUNCTUATE THE EXCESSIVE WARMTH WITH SCATTERED INTENSE THUNDERSTORMS THAT COULD CAUSE POWER OUTAGES. SIGNIFICANTLY COOLER MORE COMFORTABLE AIR WILL ARRIVE TUESDAY AND REMAIN THROUGH FRIDAY...BEFORE HOT WEATHER RETURNS BY THE FOURTH OF JULY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS. && $$ DRAG
087 WWUS71 KPHI 281342 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 942 AM EDT MON JUN 28 2010 DEZ001-NJZ015-017>019-PAZ067>071-290000- /O.CON.KPHI.EH.W.0002.000000T0000Z-100629T0000Z/ 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 942 AM EDT MON JUN 28 2010 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING. THE COMBINATION OF NEAR RECORD HEAT AND INCREASING HUMIDITY WILL RESULT IN HEAT INDEX VALUES POSSIBLY REACHING EXCEEDING 100 DEGREES FOR 1 TO 3 HOURS THIS AFTERNOON ACROSS THE REGION. IN THE URBANIZED AREAS...LOOK FOR HEAT INDEX VALUES TO TOP OUT AROUND 101 DEGREES. A COLD FRONT ENTERING THE REGION THIS AFTERNOON AND EVENING WILL PUNCTUATE THE EXCESSIVE WARMTH WITH SCATTERED INTENSE THUNDERSTORMS THAT COULD CAUSE POWER OUTAGES. SIGNIFICANTLY COOLER MORE COMFORTABLE AIR WILL ARRIVE TUESDAY AND REMAIN THROUGH FRIDAY...BEFORE HOT WEATHER RETURNS BY THE FOURTH OF JULY. PRECAUTIONARY/PREPAREDNESS ACTIONS... AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED 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. && $$ DEZ002-003-MDZ015-019-020-NJZ012>014-016-020>023-027-282100- /O.CON.KPHI.HT.Y.0001.100628T1600Z-100628T2100Z/ KENT-INLAND SUSSEX-QUEEN ANNES-TALBOT-CAROLINE-MIDDLESEX- WESTERN MONMOUTH-EASTERN MONMOUTH-SALEM-OCEAN-CUMBERLAND-ATLANTIC- CAPE MAY-SOUTHEASTERN BURLINGTON- INCLUDING THE CITIES OF...DOVER...GEORGETOWN...CENTREVILLE... EASTON...DENTON...NEW BRUNSWICK...FREEHOLD...SANDY HOOK... PENNSVILLE...JACKSON...MILLVILLE...HAMMONTON... CAPE MAY COURT HOUSE...WHARTON STATE FOREST 942 AM EDT MON JUN 28 2010 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... A HEAT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON. THE HIGHEST HEAT INDEX VALUES WILL OCCUR ACROSS NORTHEAST MARYLAND...DELAWARE AND SOUTHERN NEW JERSEY...WHERE HEAT INDEX VALUES COULD APPROACH 105 DEGREES. TODAY COULD BE THE HOTTEST DAY OF THE CURRENT HOT SPELL. A COLD FRONT ENTERING THE REGION LATE TODAY WILL PUNCTUATE THE EXCESSIVE WARMTH WITH SCATTERED INTENSE THUNDERSTORMS THAT COULD CAUSE POWER OUTAGES. SIGNIFICANTLY COOLER MORE COMFORTABLE AIR WILL ARRIVE TUESDAY AND REMAIN THROUGH FRIDAY...BEFORE HOT WEATHER RETURNS BY THE FOURTH OF JULY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS. && $$
128 WWUS71 KPHI 281916 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 316 PM EDT MON JUN 28 2010 DEZ001-NJZ015-017>019-PAZ067>071-290000- /O.CON.KPHI.EH.W.0002.000000T0000Z-100629T0000Z/ 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 316 PM EDT MON JUN 28 2010 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING. LOOK FOR HEAD INDEX VALUES TO REMAIN AROUND 100 DEGREES FOR THE REST OF THE AFTERNOON INTO THE EARLY EVENING HOURS. A COLD FRONT ENTERING THE REGION THIS EVENING WILL PUNCTUATE THE EXCESSIVE WARMTH WITH SCATTERED INTENSE THUNDERSTORMS THAT COULD CAUSE POWER OUTAGES. SIGNIFICANTLY COOLER MORE COMFORTABLE AIR WILL ARRIVE TUESDAY AND REMAIN THROUGH FRIDAY...BEFORE HOT WEATHER RETURNS BY THE FOURTH OF JULY. PRECAUTIONARY/PREPAREDNESS ACTIONS... AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED 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. && $$ DEZ002-003-MDZ015-019-020-NJZ012>014-016-020>023-027-282100- /O.CON.KPHI.HT.Y.0001.000000T0000Z-100628T2100Z/ KENT-INLAND SUSSEX-QUEEN ANNES-TALBOT-CAROLINE-MIDDLESEX- WESTERN MONMOUTH-EASTERN MONMOUTH-SALEM-OCEAN-CUMBERLAND-ATLANTIC- CAPE MAY-SOUTHEASTERN BURLINGTON- INCLUDING THE CITIES OF...DOVER...GEORGETOWN...CENTREVILLE... EASTON...DENTON...NEW BRUNSWICK...FREEHOLD...SANDY HOOK... PENNSVILLE...JACKSON...MILLVILLE...HAMMONTON... CAPE MAY COURT HOUSE...WHARTON STATE FOREST 316 PM EDT MON JUN 28 2010 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... A HEAT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON. LOOK FOR HEAT INDEX VALUES TO RANGE FROM 100 TO 105 DEGREES FOR THE REMAINDER OF THE AFTERNOON...WITH THE HIGHEST READINGS IN OCEAN COUNTY NEW JERSEY AND PORTIONS OF NORTHEAST MARYLAND. A COLD FRONT ENTERING THE REGION THIS EVENING PUNCTUATE THE EXCESSIVE WARMTH WITH SCATTERED INTENSE THUNDERSTORMS THAT COULD CAUSE POWER OUTAGES. SIGNIFICANTLY COOLER MORE COMFORTABLE AIR WILL ARRIVE TUESDAY AND REMAIN THROUGH FRIDAY...BEFORE HOT WEATHER RETURNS BY THE FOURTH OF JULY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS. && $$
914 WWUS71 KPHI 282108 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 508 PM EDT MON JUN 28 2010 DEZ002-003-MDZ015-019-020-NJZ012>014-016-020>023-027-282215- /O.EXP.KPHI.HT.Y.0001.000000T0000Z-100628T2100Z/ KENT-INLAND SUSSEX-QUEEN ANNES-TALBOT-CAROLINE-MIDDLESEX- WESTERN MONMOUTH-EASTERN MONMOUTH-SALEM-OCEAN-CUMBERLAND-ATLANTIC- CAPE MAY-SOUTHEASTERN BURLINGTON- INCLUDING THE CITIES OF...DOVER...GEORGETOWN...CENTREVILLE... EASTON...DENTON...NEW BRUNSWICK...FREEHOLD...SANDY HOOK... PENNSVILLE...JACKSON...MILLVILLE...HAMMONTON... CAPE MAY COURT HOUSE...WHARTON STATE FOREST 508 PM EDT MON JUN 28 2010 ...HEAT ADVISORY HAS EXPIRED... THE HEAT ADVISORY IS NO LONGER IN EFFECT. HEAT INDEX VALUES ARE DROPPING AS THUNDERSTORMS ARE PRODUCING GUSTY WINDS AND HEAVY RAINS...WHICH ARE LOWERING ACTUAL AIR TEMPERATURES ACROSS THE ADVISORY AREA. $$ DEZ001-NJZ015-017>019-PAZ067>071-290000- /O.CON.KPHI.EH.W.0002.000000T0000Z-100629T0000Z/ NEW CASTLE-MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON- CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...TRENTON...GLASSBORO... CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...WEST CHESTER... NORRISTOWN...DOYLESTOWN...MEDIA...PHILADELPHIA 508 PM EDT MON JUN 28 2010 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING. LOOK FOR HEAD INDEX VALUES TO DROP INTO THE EVENING HOURS AS COOLER AIR ARRIVES WITH SHOWERS AND THUNDERSTORMS. HEAT INDEX VALUES WILL DROP BELOW 95 DEGREES ACROSS THE ENTIRE AREA BEFORE 800 PM. SIGNIFICANTLY COOLER MORE COMFORTABLE AIR WILL ARRIVE TUESDAY AND REMAIN THROUGH FRIDAY...BEFORE HOT WEATHER RETURNS BY THE FOURTH OF JULY. PRECAUTIONARY/PREPAREDNESS ACTIONS... AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF DANGEROUSLY HOT TEMPERATURES WILL OCCUR. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS SITUATION IN WHICH HEAT ILLNESSES ARE LIKELY. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN... AND CHECK UP ON RELATIVES AND NEIGHBORS. && $$
903 WWUS71 KPHI 282228 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 628 PM EDT MON JUN 28 2010 DEZ001-NJZ015-017>019-PAZ067>071-282330- /O.CAN.KPHI.EH.W.0002.000000T0000Z-100629T0000Z/ 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 628 PM EDT MON JUN 28 2010 ...EXCESSIVE HEAT WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE EXCESSIVE HEAT WARNING. THUNDERSTORMS BROUGHT COOLER TEMPERATURES TO THE REGION DURING THE MID TO LATE AFTERNOON HOURS. THIS DROPPED HEAT INDEX VALUES BELOW 90 DEGREES ACROSS THE WARNED AREA. SINCE HEAT INDEX VALUES ARE NOT EXPECTED TO EXCESS 98 DEGREES FOR THE REMAINDER OF THE EVENING...THE WARNING HAS BEEN CANCELLED. HIGH TEMPERATURES TUESDAY WILL TOP OUT NEAR THE 90 DEGREE MARK...BUT HUMIDITIES VALUES WILL BE LESS THAN TODAY. $$ HAYES
What forecasters said that day
The local office's own words before this excessive heat warning 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 warning went out at Jun 26, 9:56 AM EDT, 5 hours 40 minutes earlier.
Area forecast discussion, Jun 26, 9:56 AM EDT, 5 hours 40 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
956 AM EDT SAT JUN 26 2010
.SYNOPSIS...
A WEAK QUASI STATIONARY FRONT IN THE VICINITY OF INTERSTATE 80 FROM
NEAR NEW YORK CITY THROUGH NORTHERN PENNSYLVANIA SHOULD MOVE NORTH
OF OUR REGION LATE SUNDAY PERMITTING THE RETURN OF RECORD OR NEAR
RECORD HEAT SUNDAY AND MONDAY. CONDITIONS MONDAY MAY BE A LITTLE
WORSE THAN WHAT WE EXPERIENCED THIS PAST THURSDAY. A COOL FRONT
SHOULD MOVE THROUGH THE AREA MONDAY NIGHT OR TUESDAY. SEVERAL DAYS
OF NOTICEABLY COOLER DRIER AIR ARRIVES LATER TUESDAY AS HIGH PRESSURE
FROM CENTRAL CANADA SLOWLY BUILDS SOUTHEAST INTO THE OHIO VALLEY BY
FRIDAY.
&&
.NEAR TERM /UNTIL 7 PM THIS EVENING/...
THE FORECAST AREA WILL LIKELY REMAIN IN BETWEEN SHOWER AND
THUNDERSTORM CHANCES FOR THE BALANCE OF THE DAY.
WATCHING SHOWER ACTIVITY ACROSS EASTERN ONTARIO AND WESTERN NEW
YORK STATE MOVING EAST AHEAD OF A WEAK WARM FRONT. THE BEST
WARM AIR ADVECTION IN THE LOWER TO MID LEVELS SHOULD REMAIN NORTH
OF THE AREA...AND NOT EXPECTING ANY OF THIS ACTIVITY TO GET INTO
THE NORTHERN ZONES THIS AFTERNOON.
ALSO LOOKING AT SCATTERED THUNDERSTORMS EAST OF THE NORTH CAROLINA
COAST. THIS ACTIVITY IS FOCUSED ON A WEAK FRONTAL BOUNDARY
STRETCHING THROUGH THE REGION. THIS ACTIVITY SHOULD REMAIN FOCUSED
ON THE FRONT...AND FOR THE MOST PART REMAIN SOUTH OF THE REGION.
THESE TWO AREAS REPRESENT THE BEST CHANCE OF SHOWERS AND THUNDERSTORMS
NEAR THE REGION FOR THE BALANCE OF THE DAY. A SHORT WAVE IN THE
NORTHERN STREAM...LOCATED OVER SOUTHERN MINNESOTA EARLIER THIS
MORNING...SHOULD APPROACH NORTHERN AREAS AFTER 0000 UTC. THE
APPROACHING SHORT WAVE COULD HELP WEAKEN THE CAP IN PLACE ACROSS
NORTHERN PENNSYLVANIA AND SOUTHEAST NEW YORK THIS MORNING. THIS
COULD IN TURN HELP RELEASE INSTABILITY THAT WILL DEVELOP THIS
AFTERNOON.
HOWEVER...THE SHORT WAVE PROBABLY ARRIVE TOO LATE TO BE OF MUCH
HELP. WHILE THE NORTHERNMOST FRINGES OF THE FORECAST AREA MAY NEED
TO BE WATCHED FOR THIS...WILL LEAVE THE FORECAST FOR THE BALANCE
OF DAY DRY.
THE ACTIVITY TO THE SOUTH COULD PROPAGATE OUTFLOW BOUNDARIES TO
THE NORTH. THE AIRMASS TO THE SOUTH REMAINS CAPPED THIS MORNING...
BUT AS CONVECTIVE TEMPERATURES ARE RELEASED...THE WARMING MAY HELP
ERODE THE CAP IN THE AFTERNOON. THINKING THAT MOST OF THE ACTIVITY
THAT DEVELOPS ON OUTFLOWS WOULD REMAIN SOUTH OF THE AREA...AND
WILL RETAIN THE DRY FORECAST FOR THE REST OF THE DAY.
1200 UTC SOUNDINGS ACROSS THE NORTHEAST AND MID ATLANTIC SUGGEST
HIGHS IN THE UPPER 80S AND LOWER 90S. SINCE THAT IS WHERE HIGHS
FOR TODAY ALREADY ARE...LITTLE CHANGE WAS NEEDED HERE.
&&
.SHORT TERM /7 PM THIS EVENING THROUGH MONDAY NIGHT/...
***RECORD HEAT POSSIBLE SUNDAY AND MORE LIKELY MONDAY***
HEAT WATCH AND AIR QUALITY STATEMENTS CONTINUE AS ADVERTISED
FRIDAY AFTERNOON. HEAT ADVISORY OR WARNING MAY NEED EXPANSION
THROUGH ALL OF DEL AND E MD IN FUTURE FCSTS.
HIGH CONFIDENCE ON HEAT RELATED ISSUES MONDAY!
TONIGHT...WARM FRONT PASSES BY ALOFT WITH A POSSIBLE WEAK INSTABILITY
BURST OF SHOWERS/ISO THUNDER...BEST CHANCE AND A LOW CONFIDENCE
FORECAST OF THIS LOW PROBABILITY CONVECTION IS NJ.
OTRW BLENDED MOS GUIDANCE FOR WINDS AND TEMPS.
SUNDAY-MONDAY...HEAT WATCH CONTINUES. WAS ON THE EDGE FOR ISSUING
BUT I COULD SEE SFC DEWPOINTS A TAD DRIER THAN NOW FCST FOR SUNDAY
THEREBY LOWERING OUR CURRENT PROJECTED HI OF 98-99 DOWN TO 97.
WOULD RATHER ISSUE WHEN 80 PERCENT CONFIDENT OF CRITERIA BEING EQUALED
OR EXCEEDED.
WARNINGS FOR THIS AREA ARE LOWER THRESHOLD HI 98 IN JUNE. WE ARE
FCSTG HEAT INDEX OF 98-99 FOR 1-2 HRS SUN AFTN PHL AREA.
ON MONDAY WE ARE FCSTG HEAT INDICES OF 100-103 WHICH SHOULD MAKE
THIS AS UNCOMFORTABLE OR WORSE THAN WHAT WE EXPERIENCED THIS PAST
THURSDAY...DESPITE GUSTY SW WINDS TO 20 OR 25 MPH.
SIGNIFICANT DAILY RECORDS SHOULD BE EQUALED OR EXCEEDED AT THE
LONG TERM LCD SITES MONDAY AND POSSIBLY EVEN SUNDAY AFTN.
LOW TEMP SUN NIGHT AT PHL MAY ONLY REACH 80 BUT FOR NOW HAVE IT
SLIGHTLY COOLER THAN 80.
CONVECTION: ANOTHER WEAK INSTABILITY BURST POSSIBLE SUNDAY EVENING...
AGAIN NNJ AND THE POCONOS. WE HAVE SEEN THE DAY 2 OUTLOOK. PLENTY
OF TIME TO RESPOND. 1000J ML CAPE IN NE PA SUNDAY NIGHT.
CONFIDENCE ON CONVECTION SUNDAY NIGHT IS BELOW AVERAGE.
AM MORE INCLINED TO THINK SHORT TERM EXCESSIVE RAINFALL PRODUCING
THUNDERSTORMS MON AFTN AHD OF WEAK WIND SHIFT. MID LEVEL CAPPING
MIGHT BE A PROBLEM? PWATS IN THE 2 TO 2.5 INCH RANGE AND ML CAPE
NEAR 2000J SHOULD BE ENOUGH AHEAD OF THE FRONT TO FIRE UP BIG STORMS.
WE ARE IN THE DAY 3 SWODY3. PLENTY OF TIME TO REVIEW. WIND FIELDS
DO NOT LOOK QUITE AS STRONG AS THIS PAST THURSDAY BUT BIG CAPE CAN
EASILY OVERCOME THIS MARGINAL 0-6KM SHEAR ISSUE.
TIMING IN THIS FCST FOR MONDAY MAY BE TOO QUICK AND WE MAY HAVE A
LATER SHOW THAN THIS PAST THURSDAY WITH THE WORST IN THE 6P-10P
TIME FRAME?
&&
.LONG TERM /TUESDAY THROUGH FRIDAY/...
A STRONG COLD FRONT IS EXPECTED TO MOVE THROUGH OUR REGION FROM
MONDAY NIGHT INTO EARLY TUESDAY. WE HAVE INCLUDED A CHANCE FOR
SHOWERS AND THUNDERSTORMS FOR MONDAY NIGHT, WITH PERHAPS A FEW
SHOWERS LINGERING IN OUR FAR SOUTHEASTERN COUNTIES ON TUESDAY
MORNING.
A LONG WAVE UPPER TROUGH IS EXPECTED TO BECOME ESTABLISHED OVER THE
NORTHEASTERN STATES FOR THE MID WEEK PERIOD, WITH THE TROUGH
FORECAST TO SLIDE TO THE EAST LATE IN THE WEEK.
AT THE SURFACE, HIGH PRESSURE IS EXPECTED TO GRADUALLY BUILD DOWN
FROM THE NORTHWEST FOR THE PERIOD FROM TUESDAY THROUGH FRIDAY. IT
CONTINUES TO APPEAR AS THOUGH TUESDAY WILL BE WARM, WITH SLIGHTLY
ABOVE NORMAL TEMPERATURES. HOWEVER, AS THE COOLER AND DRIER AIR
SPREADS INTO OUR REGION FOR WEDNESDAY, THURSDAY AND FRIDAY, WE ARE
ANTICIPATING SLIGHTLY BELOW NORMAL TEMPERATURES AND LOW HUMIDITY
LEVELS.
&&
.AVIATION /14Z SATURDAY THROUGH WEDNESDAY/...
THE FOLLOWING DISCUSSION IS FOR KPHL, KPNE, KTTN, KABE, KRDG,
KILG, KMIV, KACY AND SURROUNDING AREAS.
ANOTHER DAY OF GREAT FLYING WX ACRS THE REGION, WITH VFR CONDS IN
STORE. LATEST SATELLITE IMAGERY SHOWED HARDLY A CLOUD IN THE SKY
EARLY THIS MORNING. EXPECT NOTHING MORE THAN SOME SCT CU DURG THE
DAY. A SW TO W WIND WILL PREVAIL WITH SPEEDS GENLY LESS THAN 10
KTS. A SEA BREEZE COULD DEVELOP AROUND ACY THIS AFTN.
THERE COULD BE AN ISOLD AFTN TSTM, BUT POPS AND AREAL COVERAGE ARE
VERY SMALL AND WILL NOT INCLUDE ANYTHING IN THE TERMINAL FCSTS
ATTM. THERE MAY BE A SLIGHTLY BETTER CHC OF TSTMS THIS EVENING,
MAINLY OVER NRN SECTIONS (N AND W OF KPHL), BUT THERE IS STILL SOME
DISAGREEMENT BETWEEN THE MDLS S TO THE EXTENT OF THIS ACTIVITY, SO
WILL HOLD OFF ON ANY MENTION HERE AS WELL.
OUTLOOK...
VFR CONDS WILL BE PREVALENT SUNDAY AND MONDAY. THERE COULD BE SOME
SCT AFTN/EVENING TSTMS ON SUNDAY AS A WARM FRONT MOVES THROUGH.
THE BEST CHANCE OF SHOWERS AND THUNDERSTORMS SHOULD BE WITH A FAIRLY
STRONG COLD FRONT MONDAY AFTERNOON AND EVENING. OF COURSE, ANY
TSTMS COULD BRING REDUCED CIGS/VSBYS.
&&
.MARINE...
RATHER TRANQUIL CONDITIONS WILL BE PREVALENT ON THE AREA WATERS
THROUGH SUNDAY, WITH HIGH PRESSURE IN CONTROL. A GENERAL SW TO W
WIND WITH SPEEDS OF 15 KT OR LESS ARE EXPECTED. A WARM FRONT WILL
CROSS THE AREA ON SUNDAY AND WINDS MAY PICK UP A BIT AND SEAS WILL
GRADUALLY RISE AS WELL IN ADVANCE OF A CDFNT EXPECTED TO CROSS THE
WATERS MONDAY AFTN/EVENING.
THE LATEST WAVEWATCH DATA SUPPORTS SCA SEAS IN ADVANCE OF THE FROPA.
ITS WV HGTS APPEAR OVERDONE AGAIN THIS RUN, BUT WE COULD BE LOOKING
AT THE NEED FOR MARINE FLAGS INTO MONDAY EVENING, WHEN SEAS SHOULD
SUBSIDE BEHIND THE FRONT. NO FURTHER FLAGS ARE ANTICIPATED ATTM.
&&
.CLIMATE...
RECORD MAX/S /VULNERABLE/ SUNDAY 6/27
PHL 97-1963
ILG 97-1952
RECORD MAXS MONDAY 6/28
PHL 97-1963
ILG 97-1898
ACY 106-1969 /NOT EXPECTED TO BE CLOSE BUT LISTED AS INFORMATION ONLY/
ABE 96-1948
RECORD HIGH MINIMUM TEMPS AT PHL
6/27 76 IN 1876 AND 1949
6/28 76 IN 2001
EITHER OR BOTH OF THESE POTENTIAL RECORDS COULD BE COMPROMISED BY A
HEAVY SHOWER.
JUNE 2010 PROJECTING FIRST OR 2 WARMEST ON RECORD. PERIOD OF RECORD
/POR/ DATE BACK TO 1872.
PHL FIRST 24 DAYS WAS AVERAGING 77.3
PHL DAILY MAX/MIN FOR TODAY COMBINED WITH OUR CCF PROJECTIONS ISSUED
AT 4PM FRIDAY AFTERNOON THE 25TH...PLACES PHILADELPHIA IN THE TOP 1
OR 2 WARMEST JUNES ON RECORD. CONFIDENCE ABOVE AVERAGE.
FINAL MONTHLY MEAN OF BETWEEN 77.6 AND 78.0 DEGREES IS OUTLOOKED.
WARMEST ON RECORD IS 78.0 1925 AND 1994.
76.7 1943
76.4 2008
76.2 1934
&&
.PHI WATCHES/WARNINGS/ADVISORIES...
PA...EXCESSIVE HEAT WATCH FROM SUNDAY AFTERNOON THROUGH MONDAY
EVENING FOR PAZ067>071.
NJ...EXCESSIVE HEAT WATCH FROM SUNDAY AFTERNOON THROUGH MONDAY
EVENING FOR NJZ015-017>019.
DE...EXCESSIVE HEAT WATCH FROM SUNDAY AFTERNOON THROUGH MONDAY
EVENING FOR DEZ001.
MD...NONE.
MARINE...NONE.
&&
SYNOPSIS...DRAG
NEAR TERM...HAYES
SHORT TERM...DRAG
LONG TERM...IOVINO
AVIATION...NIERENBERG
MARINE...NIERENBERG
CLIMATE...Hazardous weather outlook, Jun 26, 3:40 AM EDT, 11 hours 56 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 340 AM EDT SAT JUN 26 2010 DEZ002>004-MDZ008-012-015-019-020-NJZ001-007>010-012>014-016-020>027- PAZ054-055-060>062-270745- KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-QUEEN ANNES-TALBOT- CAROLINE-SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX- WESTERN MONMOUTH-EASTERN MONMOUTH-SALEM-OCEAN-CUMBERLAND-ATLANTIC- CAPE MAY-ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN- SOUTHEASTERN BURLINGTON-CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON- 340 AM EDT SAT JUN 26 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL DELAWARE...SOUTHERN DELAWARE...NORTHEAST MARYLAND...CENTRAL NEW JERSEY...NORTHERN NEW JERSEY...NORTHWEST 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...SUNDAY THROUGH FRIDAY. STRONG GUSTY THUNDERSTORMS WITH BRIEF POOR DRAINAGE FLOODING RAINS ARE POSSIBLE LATE MONDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. DEZ001-NJZ015-017>019-PAZ067>071-270745- NEW CASTLE-MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-CHESTER- MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA- 340 AM EDT SAT JUN 26 2010 ...EXCESSIVE HEAT WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY EVENING... 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...SUNDAY THROUGH FRIDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. EXCESSIVE HEAT WATCH. STRONG GUSTY THUNDERSTORMS WITH BRIEF POOR DRAINAGE FLOODING RAINS ARE POSSIBLE LATE MONDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. ANZ430-431-450>455-270745- 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 SAT JUN 26 2010 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...SUNDAY THROUGH FRIDAY. STRONG GUSTY THUNDERSTORMS ARE POSSIBLE LATE MONDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
Nearby
Excessive Heat Warnings in New Jersey, 2010Excessive Heat Warnings in Pennsylvania, 2010Excessive Heat Warnings in Delaware, 2010Every excessive heat warning in 2010
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.