Alert archive / Pennsylvania / Special Weather Statements in 2010
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Sep 28, 2010, 9:29 AM EDT for Berks County, Pennsylvania. It was in force for 61 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 28, 2010, 9:29 AM EDT (13:29 UTC)
- Expired
- Sep 28, 2010, 10:30 AM EDT
- In force
- 61 min
- Issued by
- NWS Philadelphia/Mount Holly
County Berks County, PA
The radar
The Philadelphia radar (KDIX), 148 km from the middle of the area, began a volume at 13:30 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, 1.5 hours before the alert went out and 117 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
- 246 J/kg
- Mixed-layer CIN
- -26 J/kg
- Mixed-layer LCL
- 729 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 288 m²/s²
- 0-3 km storm-relative helicity
- 308 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 1.6
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Sep 28, 5:15 AM EDT, 4 hours 14 minutes earlier.
Area forecast discussion, Sep 28, 5:15 AM EDT, 4 hours 14 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
515 AM EDT TUE SEP 28 2010
.SYNOPSIS...
LOW PRESSURE IN SOUTHWEST PENNSYLVANIA EARLY THIS MORNING WILL
MOVE JUST NORTH OF LAKE ONTARIO LATE TODAY WITH SHOWERY GUSTY
RAINS ENDING THIS AFTERNOON. WEAK HIGH PRESSURE FOLLOWS EARLY
WEDNESDAY. THEREAFTER...A VERY WET AND POSSIBLY WINDY LOW PRESSURE
SYSTEM WITH TROPICAL MOISTURE IS FORECAST TO MOVE NORTHWARD ALONG
THE EAST COAST FROM FLORIDA LATE WEDNESDAY...TO NORTHERN MAINE
THURSDAY NIGHT. MUCH COOLER DRIER AIR GRADUALLY FILTERS INTO THE
MID ATLANTIC STATES FRIDAY THROUGH NEXT MONDAY AS HIGH PRESSURE
MOVES FROM SOUTH CENTRAL CANADA TO THE OHIO VALLEY.
&&
.NEAR TERM /UNTIL 6 PM THIS EVENING/...
PLEASE SEE SWODY1 AND ANY MCD/S THAT MAY ISSUE BY 11Z. BASICALLY A
FAIRLY STRONG UNSTABLE SHOWERY SLY FLOW WILL SHIFT SW LATE THIS
MORNING OR AFTERNOON WITH PARTIAL CLEARING TO FOLLOW. ENOUGH INSTABILITY
AND WIND IN THE PROFILE TO SUPPORT THE POTENTIAL FOR ISOLATED SVR
THUNDERSTORMS...ESPECIALLY LATE THIS MORNING OR EARLY AFTERNOON
IN NJ AND DELAWARE WHERE GREATEST MLCAPE.
THE HWOPHI HAS THE TIMING IN DETAIL.
THE HRRR LOOKS VERY VERY GOOD AT 09Z. AM EXPECTING WARNABLE EVENTS
TO BEGIN HERE IN OUR CWA AROUND 11Z OR SHORTLY AFTER...MD/DEL
FIRST.
FCST TEMPS DEWS AND WINDS WERE BLENDED 00Z/28 NCEP MOS AFTER THE
PREDAWN HOUR INITIALIZATION.
OTHER THAN ANY SVR WARNINGS OR A SVR TSTM WATCH POSSIBILITY TODAY...
WE MAY NEED A BRIEF WIND ADVISORY FOR G NEAR 40 KTS DEL AND FAR S
NJ LATE THIS MORNING IF THERE IS ANY UNEXPECTED HEATING.
&&
.SHORT TERM /6 PM THIS EVENING THROUGH FRIDAY/...
TONIGHT...PARTIAL CLEARING WITH WEAK HIGH PRESSURE OVER THE AREA
BUT ALREADY MID LEVEL WAA MAY EXTEND NORTH INTO DEL AND S NJ WITH
SHOWERS TOWARD DAWN WED?
WED...SHOWER THREAT MAY INCREASE NORTHWARD INTO MORE OF OUR FCST
AREA DURING THE AFTN BUT TIMING IS UNCERTAIN.
WED NIGHT-THU EVE...A 12 TO 18 HOUR PERIOD OF HEAVY RAIN. LARGE
AMOUNTS AND POTENTIAL FLASH FLOOD WATCH INTERIOR...WIND ADVY COAST
SITUATION FOR THURSDAY WITH A TIDAL SURGE OF 1 FT OR MORE DURING
MIDDAY POSSIBLY PROMPTING A STATEMENT FOR MINOR COASTAL FLOODING.
TROPICAL CONNECTION OF MOISTURE! PWATS VERY LARGE...AROUND 2.4
INCHES!
MADDOX SYNOPTIC SCALE FLASH FLOOD POTENTIAL ALONG WITH AN EXCESSIVE
RAINFALL PATTERN DESCRIBED IN THE 2009 NWA PAPER BY GRUMM-STUART...BOTH
PATTERNS SEEM TO APPLY. INVERTED TROUGHS CAN BE PROLIFIC PRODUCERS
OF RAINFALL. NO THUNDER IN THIS PORTION OF THE FORECAST ATTM BUT
ITS POSSIBLE AS PER THE WELL DEFINED ECMWF AND THE SPC DSWODY3
SVR OUTLOOK! IN-HOUSE ENSEMBLE TOOLS HAVE RIVER FLOOD POTENTIAL.
SREF AND GEFS FROM 00Z AND 03Z HAVE A 30-70 POP FOR 4 INCHES IN A
48 HR PERIOD ENDING THURSDAY NIGHT...ESPEC VCNTY NW NJ AND NE PA
BORDER. RECOMMEND FOLLOWING FUTURE DEVELOPMENTS CLOSELY HERE IN
OUR CWA!
FRIDAY...PARTIAL CLEARING...COOLER. THERE MAY BE SOME LAG TO THE
SHOWERS ENDING BUT FOR NOW MAINTAINED CONTINUITY WITH OUR PREVIOUS
FCST.
TEMPS AND WINDS WERE BLENDED 00Z/28 NCEP GUIDANCE BUT CONCERNED
THAT WINDS WILL BE SIGNIFICANTLY HIGHER ALONG THE COAST.
&&
.LONG TERM /FRIDAY NIGHT THROUGH MONDAY/...
A LONG WAVE TROUGH IS FORECAST TO INFLUENCE OUR REGION DURING THE
PERIOD FROM THURSDAY NIGHT THROUGH MONDAY.
HIGH PRESSURE AND DRY AIR IS FORECAST TO BUILD INTO OUR REGION
FROM THE NORTHWEST FROM FRIDAY NIGHT THROUGH MONDAY. A REINFORCING
COLD FRONT MAY ARRIVE ON SATURDAY. WE ARE NOT ANTICIPATING ANY
PRECIPITATION DURING THE PERIOD.
TEMPERATURES ARE EXPECTED TO TRANSITION FROM NEAR NORMAL ON
FRIDAY TO BELOW NORMAL FOR THE WEEKEND AND FOR MONDAY. IT APPEARS
AS THOUGH WE MAY SEE SOME FROST IN OUR NORTHERN COUNTIES, PERHAPS
LATE ON SUNDAY NIGHT. 00Z/28 ECMWF IS A LITTLE LESS CERTAIN
REGARDING FROST INTO OUR AREA. THOSE WITH TENDER VEGETATION
CONCERNS AT THIS TIME OF YEAR SHOULD MONITOR FUTURE FORECASTS.
&&
.AVIATION /09Z TUESDAY THROUGH SATURDAY/...
THE FOLLOWING DISCUSSION IS FOR KPHL, KPNE, KTTN, KABE, KRDG,
KILG, KMIV, KACY AND SURROUNDING AREAS.
CONDITIONS IMPROVED MONDAY EVENING TO MARGINAL VFR AND EVEN VFR FOR
A TIME...BUT CONDITIONS HAVE LOWERED ONCE AGAIN TO MARGINAL VFR DOWN
TO IFR LEVELS EARLY THIS MORNING. A LARGE AREA OF RAIN WAS JUST
OFFSHORE OF DELAWARE AND SOUTHERN NEW JERSEY BEFORE SUNRISE...AND
WITH HIGH AMOUNTS OF LOW LEVEL MOISTURE FEEDING INTO THE AREA ON A
STRONG SOUTHERLY FLOW...LOW CONDITIONS WILL CONTINUE THIS MORNING.
RAIN HAD LESSENED BEFORE SUNRISE...BUT SHOULD INCREASE AGAIN AS A
WARM FRONTAL FEATURE WITH ITS LOW LEVEL CONVERGENCE PUSHES THROUGH
THE AREA LATER THIS MORNING. THE RAIN MAY BE HEAVY AT TIMES AND
PRODUCE LOCALIZED WIND GUSTS WHICH WILL TRANSFER STRONGER WINDS DOWN
FROM 2 THOUSAND FEET. EMBEDDED CONVECTION IS ALSO POSSIBLE...WITH
ISOLATED STRONG THUNDERSTORMS DUE TO THE WIND SHEAR AND TROPICAL
NATURE OF THE AIRMASS.
AS THE FRONT GRADUALLY MOVES EASTWARD DURING TODAY...THE AREAS OF
HEAVY RAIN ARE FORECAST TO BEGIN MOVING TO OUR EAST AFTER 15Z WITH
SOME LINGERING SHOWERS POSSIBLE UNTIL ABOUT 20Z. FROM AROUND 16Z
ONWARD CONDITIONS SHOULD IMPROVE TO VFR WITH THE CLOUD COVER
BECOMING SCATTERED BY 00Z WEDNESDAY. SOME FOG MAY FORM TOWARD AND
AFTER MIDNIGHT DUE TO RESIDUAL GROUND MOISTURE COMBINING WITH SOME
RADIATION.
WHILE THERE IS A FAIRLY HIGH CONFIDENCE IN THE OVERALL TREND, THE
SPECIFIC CEILING AND VISIBILITY VALUES MAY FLUCTUATE FROM THE
FORECAST VALUES AS RAINFALL AREAS MOVE AND CHANGE...AND RAINFALL
RATES VARY THIS MORNING.
AS TO SURFACE WIND, DIRECTIONS SHOULD BE MAINLY FROM THE SOUTHEAST
AND SOUTH...BECOMING SOUTH TO SOUTHWEST TODAY. SUSTAINED SPEEDS WILL
BE MAINLY 8 TO 12 KNOTS, WITH GUSTS INTO THE LOWER 20S ESPECIALLY
FOR KPNE, KPHL, KILG, KMIV AND KACY. WINDS AROUND 2000 FEET ARE
FORECAST TO BE AROUND 40 KNOTS FOR A TIME THIS MORNING...AND THE
DIRECTION WILL BE SIMILAR TO THAT AT THE SURFACE. WITH GUSTS MIXING
DOWN TO THE SURFACE IT DID NOT SEEM NECESSARY TO INCLUDE LOW LEVEL
WIND SHEAR.
OUTLOOK...
DRY WEATHER IS ANTICIPATED TUESDAY NIGHT INTO WEDNESDAY WITH MAINLY
VFR CONDITIONS...EXCEPT FOR THE AFOREMENTIONED VISIBILITY
RESTRICTIONS DUE TO FOG FROM LATE TONIGHT INTO EARLY WEDNESDAY
MORNING. ANOTHER HEAVY RAIN EVENT...WITH STRONG WINDS ESPECIALLY
JUST OFF THE SURFACE...IS POSSIBLE FROM WEDNESDAY NIGHT INTO
THURSDAY NIGHT, WITH REDUCED CEILINGS AND VISIBILITIES. DRY WEATHER
SHOULD RETURN FOR FRIDAY AND SATURDAY.
&&
.MARINE...
WINDS AND SEAS HAVE INCREASED AGAIN EARLY THIS MORNING...AT LEAST
OVER SOUTHERN PORTIONS OF THE COASTAL WATERS AND DELAWARE BAY. THIS
TREND SHOULD OCCUR TO THE NORTH AS WELL THROUGH THE MORNING. THE
SMALL CRAFT ADVISORY WILL CONTINUE TODAY...AND FOR TONIGHT FOR THE
OCEAN WATERS. WINDS WILL RELAX SOMEWHAT TONIGHT BUT SEAS WILL REMAIN
ELEVATED. FOR THIS REASON THE ADVISORY ON THE COASTAL WATERS WILL BE
EXTENDED THROUGH WEDNESDAY AFTERNOON AT THIS TIME. THE SMALL CRAFT
ADVISORY ON DELAWARE BAY WILL REMAIN IN EFFECT THROUGH TODAY. THE
COLD FRONT WILL BE OFF TO THE EAST BY EVENING AND WIND GUSTS THERE
WILL BE DROPPING BELOW ADVISORY CRITERIA.
SYNOPTICALLY, LOW PRESSURE MOVING NORTHWARD WEST OF OUR AREA
THIS MORNING WILL MOVE NORTHWARD INTO CANADA. THE ASSOCIATED COLD
FRONT WILL BE PULLED ACROSS OUR WATERS LATE TODAY OR THIS EVENING.
HIGH PRESSURE, FOLLOWING THE FRONT, WILL ALLOW WINDS AND SEAS TO
RELAX A BIT LATER TONIGHT INTO WEDNESDAY NIGHT. BUT THE LOWER
CONDITIONS WILL BE SHORT LIVED, AS LOW PRESSURE IS FORECAST TO MOVE
UP THE FRONT ALONG THE EAST COAST. HIGHER WINDS AND SEAS ARE
EXPECTED TO RETURN IN THE THURSDAY INTO FRIDAY TIME PERIOD. A PERIOD
OF GALE CONDITIONS WITH RESULTANT HIGHER WAVES MAY OCCUR THURSDAY
INTO THURSDAY NIGHT. WIND...WIND GUSTS...AND WAVE GRIDS WERE
INCREASED AT THIS TIME AS CONFIDENCE HAS INCREASED. AS THE LOW PULLS
OFF TO THE NORTHEAST, HIGH PRESSURE WILL PUSH DOWN FROM THE GREAT
LAKES. THIS WILL SUPPLY US WITH A FAIRLY STRONG NORTHERLY GRADIENT
THROUGH MUCH OF THE WEEKEND AND COULD PROLONG THE ADVISORY WINDS
AND/OR SEAS FOR, AT LEAST, PART OF THE WEEKEND.
&&
.HYDROLOGY...
TODAY...LOW PROB URBAN SMALL STREAM ADVISORY POTENTIAL BUT OTHERWISE
NO MAJOR FLOOD EVENTS EXPECTED OR IMMINENT.
THURSDAY...THIS COULD BE A BIG HYDRO EVENT FOR PORTIONS OF OUR
COUNTY WARNING AREA AND RECOMMEND ALL INTERESTS...ESPECIALLY
ALONG THE DELAWARE RIVER...POCONOS AND HILLS-URBAN CENTERS OF
NORTHERN NEW JERSEY MONITOR FUTURE FORECASTS FOR A VERY HEAVY
12-24 HOUR RAIN EVENT. INFLUX OF TROPICAL MOISTURE /WITH PRECIPITABLE
WATER VALUES NEAR 2.4 INCHES/ MAKES IT APPEAR THAT AT LEAST 3
INCHES OF RAIN IS POSSIBLE WITH THIS THURSDAY SYSTEM. 850 SLY
INFLOW LOOKS TO BE -5 SD WITH U GRIDS ON THE 250MB LEVEL -1 SD.
&&
.RIP CURRENTS...
WITH THE STRONG SOUTHERLY FLOW AND A WAVE PERIOD AROUND 7 SECONDS...
OUR GUIDANCE PROGRAM PROVIDED A MODERATE RISK FOR RIP CURRENTS FOR
TODAY FOR BOTH NEW JERSEY AND DELAWARE...AND THIS WAS ACCEPTED.
&&
.PHI WATCHES/WARNINGS/ADVISORIES...
PA...NONE.
NJ...NONE.
DE...NONE.
MD...NONE.
MARINE...SMALL CRAFT ADVISORY UNTIL 6 PM EDT WEDNESDAY FOR ANZ450>455.
SMALL CRAFT ADVISORY UNTIL 6 PM EDT THIS EVENING FOR ANZ430-
431.
&&
SYNOPSIS...DRAG
NEAR TERM...DRAG 514A
SHORT TERM...DRAG
LONG TERM...IOVINO
AVIATION.../
MARINE.../
HYDROLOGY... DRAG
RIP CURRENTS.../1Hazardous weather outlook, Sep 28, 4:18 AM EDT, 5 hours 11 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 418 AM EDT TUE SEP 28 2010 DEZ001>003-MDZ008-012-015-019-020-NJZ001-007>010-012-013-015>023-027- PAZ054-055-060>062-067>071-290830- NEW CASTLE-KENT-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES-TALBOT- CAROLINE-SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX- WESTERN MONMOUTH-MERCER-SALEM-GLOUCESTER-CAMDEN- NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY- SOUTHEASTERN BURLINGTON-CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON- CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA- 418 AM EDT TUE SEP 28 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL DELAWARE...NORTHERN DELAWARE...SOUTHERN DELAWARE...NORTHEAST MARYLAND...CENTRAL NEW JERSEY...NORTHERN NEW JERSEY...NORTHWEST NEW JERSEY...SOUTHERN NEW JERSEY...EAST CENTRAL PENNSYLVANIA...NORTHEAST PENNSYLVANIA AND SOUTHEAST PENNSYLVANIA. .DAY ONE...TODAY AND TONIGHT. ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE BETWEEN 6 AM AND 3 PM. THE RISK FOR A SEVERE STORM SHOULD FIRST DEVELOP FROM EASTERN MARYLAND NORTHWARD INTO EASTERN PENNSYLVANIA BETWEEN 6 AM AND 10 AM. THEN THE RISK FOR SEVERE STORMS SHIFTS EASTWARD ALONG THE DELAWARE RIVER BETWEEN 10 AM AND NOON AND ALSO INCLUDES THE STATE OF DELAWARE. THEN EARLY THIS AFTERNOON THE RISK FOR A SEVERE THUNDERSTORM SHOULD BE CONFINED MOSTLY TO NEW JERSEY. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. THERE IS A LOW PROBABILITY OF A STRONG THUNDERSTORM THURSDAY. THERE IS A HIGH PROBABILITY OF URBAN POOR DRAINAGE STREET FLOODING THURSDAY. THERE IS AN OUTLOOKED LESSER CHANCE FOR POCKETS OF RIVER AND/OR SMALL STREAM FLOODING THURSDAY...THAT IF IT DEVELOPED...COULD LINGER INTO FRIDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED TODAY. NJZ014-026-290830- EASTERN MONMOUTH-COASTAL OCEAN- 418 AM EDT TUE SEP 28 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NEW JERSEY AND SOUTHERN NEW JERSEY. .DAY ONE...TODAY AND TONIGHT. THERE IS A MODERATE RISK OF RIP CURRENTS FOR THE REST OF THIS AFTERNOON AND EVENING. ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE EARLY THIS AFTERNOON. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. THERE IS A LOW PROBABILITY OF A STRONG THUNDERSTORM THURSDAY. THERE IA LOW PROBABILITY THAT A WIND ADVISORY MAY BE NEEDED THURSDAY. THERE IS A CHANCE OF POOR DRAINAGE STREET FLOODING THURSDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED TODAY. DEZ004-NJZ024-025-290830- DELAWARE BEACHES-ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC- 418 AM EDT TUE SEP 28 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN DELAWARE AND SOUTHERN NEW JERSEY. .DAY ONE...TODAY AND TONIGHT. THERE IS A MODERATE RISK OF RIP CURRENTS FOR THE REST OF THIS AFTERNOON AND EVENING. ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE EARLY THIS AFTERNOON. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. THERE IS A LOW PROBABILITY OF A STRONG THUNDERSTORM THURSDAY. THERE IA LOW PROBABILITY THAT A WIND ADVISORY MAY BE NEEDED THURSDAY. THERE IS A CHANCE OF POOR DRAINAGE STREET FLOODING THURSDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED. ANZ450>455-290830- 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- 418 AM EDT TUE SEP 28 2010 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT WEDNESDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS. .DAY ONE...TODAY AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. SMALL CRAFT ADVISORY. A GUSTY THUNDERSTORM WITH SOUTHERLY OR SOUTHWESTERLY GUSTS TO 40 KNOTS IS POSSIBLE TODAY. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. SMALL CRAFT ADVISORY. THERE IS A LOW PROBABILITY FOR GALE FORCE SOUTHERLY GUSTS THURSDAY AS WELL AS A THUNDERSTORM. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED. ANZ430-431-290830- DELAWARE BAY WATERS NORTH OF EAST POINT NJ TO SLAUGHTER BEACH DE- DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE- 418 AM EDT TUE SEP 28 2010 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR DELAWARE BAY WATERS. .DAY ONE...TODAY AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. SMALL CRAFT ADVISORY. A GUSTY THUNDERSTORM WITH SOUTHERLY OR SOUTHWESTERLY GUSTS TO 40 KNOTS IS POSSIBLE BETWEEN 8 AM AND 1 PM. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. THERE IS A LOW PROBABILITY FOR GALE FORCE SOUTHERLY GUSTS THURSDAY AS WELL AS A THUNDERSTORM. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED. DRAG
In the hours before
Special weather statement, Sep 28, 7:39 AM EDT, 1 hour 50 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
739 AM EDT TUE SEP 28 2010
DEZ001-NJZ001-007>010-012-015>019-PAZ054-055-060>062-067>071-281245-
BERKS PA-BUCKS PA-CAMDEN NJ-CARBON PA-CHESTER PA-DELAWARE PA-
GLOUCESTER NJ-HUNTERDON NJ-LEHIGH PA-MERCER NJ-MIDDLESEX NJ-MONROE PA-
MONTGOMERY PA-MORRIS NJ-NEW CASTLE DE-NORTHAMPTON PA-
NORTHWESTERN BURLINGTON NJ-PHILADELPHIA PA-SALEM NJ-SOMERSET NJ-
SUSSEX NJ-WARREN NJ-
739 AM EDT TUE SEP 28 2010
...SHOWERS WITH STRONG WIND GUSTS WILL AFFECT SUSSEX...WARREN...
MORRIS...HUNTERDON...SOMERSET...SALEM...CAMDEN...GLOUCESTER...
MERCER...MIDDLESEX...DELAWARE...PHILADELPHIA...CHESTER...
MONTGOMERY...BERKS...LEHIGH...NORTHAMPTON...CARBON...BUCKS...
MONROE...NEW CASTLE AND BURLINGTON COUNTIES...
AT 735 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SHOWERS WITH STRONG WIND GUSTS ALONG A LINE EXTENDING FROM 25 MILES
NORTHWEST OF READING TO 3 MILES SOUTHEAST OF WILMINGTON...MOVING
NORTHEAST AT 40 MPH. THE SHOWERS WILL BE NEAR WANAMAKERS...VALLEY
FORGE...NEWTOWN SQUARE...WOODLYN AROUND 745 AM...ZIONSVILLE...TROUT
LAKE...PHILADELPHIA INTERNATIONAL AIRPORT...NEW TRIPOLI AROUND 750
AM...BEAVER MEADOWS AND TRESCKOW AROUND 755 AM.
WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THESE SHOWERS.
LAT...LON 4116 7516 4115 7509 4109 7503 4112 7495
4124 7486 4108 7470 4049 7451 3958 7549
4017 7569 4057 7611 4059 7603 4064 7600
4074 7578 4091 7600 4100 7575 4110 7577
4114 7570 4113 7564 4125 7550 4126 7514
HAYESSpecial weather statement, Sep 28, 8:26 AM EDT, 1 hour 3 minutes before
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</html>Special weather statement, Sep 28, 8:35 AM EDT, 54 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
835 AM EDT TUE SEP 28 2010
MDZ008-PAZ060-061-281330-
BERKS PA-CECIL MD-LEHIGH PA-
835 AM EDT TUE SEP 28 2010
...A SHOWER WITH STRONG WIND GUSTS WILL AFFECT CECIL...BERKS AND
LEHIGH COUNTIES...
AT 832 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SHOWER WITH STRONG WIND GUSTS 21 MILES SOUTH OF LANCASTER...MOVING
NORTH AT 40 MPH. THE SHOWER WILL BE NEAR WERNERSVILLE AROUND 930 AM.
WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THIS SHOWER.
LAT...LON 4053 7630 4063 7576 3962 7614 3969 7623
3972 7624 3973 7611 4017 7594 4036 7621
4042 7632
HAYESSpecial weather statement, Sep 28, 8:47 AM EDT, 42 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
847 AM EDT TUE SEP 28 2010
DEZ001-002-MDZ008-012-015-020-PAZ067-070-281345-
CAROLINE MD-CECIL MD-CHESTER PA-DELAWARE PA-KENT MD-KENT DE-
NEW CASTLE DE-QUEEN ANNE'S MD-
847 AM EDT TUE SEP 28 2010
...SHOWERS WITH STRONG WIND GUSTS WILL AFFECT KENT...CAROLINE...
CECIL...DELAWARE...CHESTER...QUEEN ANNE'S AND NEW CASTLE COUNTIES...
AT 842 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN
AREA OF SHOWERS WITH STRONG WIND GUSTS 10 MILES NORTHWEST OF
CENTERVILLE...MOVING NORTH AT 45 MPH. THE SHOWERS WILL BE NEAR
NEWTOWN...MORGNEC...CRUMPTON AROUND 855 AM...KENNEDYVILLE...
MASSEY...MILLINGTON AROUND 900 AM...GALENA...DELANEY CORNER AROUND
905 AM...CECILTON AND SASSAFRAS AROUND 910 AM.
WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THESE SHOWERS.
LAT...LON 3934 7618 3938 7611 3938 7607 3944 7600
3946 7602 3953 7599 3954 7607 3969 7622
3973 7620 3974 7613 3978 7607 3987 7601
3999 7598 3989 7551 3962 7560 3901 7576
3910 7624 3915 7628
HAYESSpecial weather statement, Sep 28, 9:26 AM EDT, 3 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
926 AM EDT TUE SEP 28 2010
DEZ001-002-MDZ008-012-015-NJZ016-PAZ060-067-068-070-281430-
BERKS PA-CECIL MD-CHESTER PA-DELAWARE PA-KENT MD-KENT DE-
MONTGOMERY PA-NEW CASTLE DE-QUEEN ANNE'S MD-SALEM NJ-
926 AM EDT TUE SEP 28 2010
...SHOWERS WITH STRONG WIND GUSTS WILL AFFECT KENT...CECIL...
SALEM...DELAWARE...CHESTER...MONTGOMERY...BERKS...QUEEN ANNE'S AND
NEW CASTLE COUNTIES...
AT 921 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN
AREA OF SHOWERS WITH STRONG WIND GUSTS 17 MILES NORTH OF
CENTERVILLE...MOVING NORTH AT 45 MPH. THE SHOWERS WILL BE NEAR
CECILTON...SASSAFRAS AROUND 935 AM...WARWICK...TOWNSEND AROUND 940
AM...CHARLESTOWN...PERRYVILLE...PORT DEPOSIT...HOLLYWOOD BEACH
AROUND 945 AM...BAY VIEW AND NORTH EAST AROUND 950 AM.
WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THESE SHOWERS.
LAT...LON 3934 7618 3938 7611 3938 7607 3944 7600
3953 7599 3954 7607 3962 7616 3987 7601
4011 7595 4019 7580 4005 7535 3970 7551
3962 7560 3960 7555 3929 7568 3930 7575
3925 7577 3927 7586 3924 7592 3928 7620
HAYESSpecial weather statement, Sep 28, 9:29 AM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
929 AM EDT TUE SEP 28 2010
PAZ054-060-061-281430-
BERKS PA-CARBON PA-LEHIGH PA-
929 AM EDT TUE SEP 28 2010
...SHOWERS WITH STRONG WIND GUSTS WILL AFFECT BERKS...LEHIGH AND
CARBON COUNTIES...
AT 926 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SHOWERS WITH STRONG WIND GUSTS 11 MILES SOUTH OF LANCASTER...MOVING
NORTH AT 50 MPH. THE SHOWERS WILL BE NEAR NEW MORGAN AROUND 1000
AM...WERNERSVILLE...SINKING SPRING...WEST WYOMISSING...WEST LAWN
AROUND 1005 AM...WHITFIELD...WYOMISSING HILLS...WYOMISSING...WEST
READING AROUND 1010 AM AND BERNVILLE AROUND 1015 AM.
WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THESE SHOWERS.
LAT...LON 4054 7619 4060 7605 4059 7603 4064 7600
4074 7578 4079 7586 4074 7561 4072 7557
4015 7586 4014 7590 4036 7621 4036 7624
4038 7627
HAYESThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 28, 12:45 AM EDT | Special Weather Statement | PHI | Mercer | 30 min |
| Sep 28, 7:39 AM EDT | Special Weather Statement | PHI | Hunterdon, Somerset, Warren | 66 min |
| Sep 28, 12:06 PM EDT | Special Weather Statement | PHI | Warren | 54 min |
| Sep 28, 3:51 PM EDT | Special Weather Statement | PHI | Hunterdon, Morris, Somerset, Sussex, Warren | 84 min |
| Sep 28, 5:05 PM EDT | Special Weather Statement | PHI | Morris, Sussex | 40 min |
| Sep 28, 8:35 AM EDT | Special Weather Statement | PHI | Berks | 55 min |
| Sep 28, 9:26 AM EDT | Special Weather Statement | PHI | Chester | 64 min |
| Sep 28, 9:59 AM EDT | Special Weather Statement | PHI | Chester, Montgomery | 61 min |
| Sep 28, 10:01 AM EDT | Special Weather Statement | PHI | Carbon, Monroe, Northampton | 59 min |
| Sep 28, 10:05 AM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Lehigh, Montgomery | 55 min |
| Sep 28, 10:17 AM EDT | Special Weather Statement | PHI | Chester | 58 min |
| Sep 28, 11:15 AM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 45 min |
| Sep 28, 1:23 PM EDT | Special Weather Statement | PHI | Carbon, Lehigh, Monroe, Northampton | 52 min |
| Sep 28, 6:13 AM EDT | Special Weather Statement | PHI | Cecil, Kent, Queen Anne's, Talbot | 47 min |
| Sep 28, 7:02 AM EDT | Special Weather Statement | PHI | Caroline | 58 min |
| Sep 28, 8:26 AM EDT | Special Weather Statement | PHI | Queen Anne's, Talbot | 64 min |
| Sep 28, 8:47 AM EDT | Special Weather Statement | PHI | Cecil, Kent | 58 min |
| Sep 28, 9:13 AM EDT | Tornado Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 32 min |
| Sep 28, 9:44 AM EDT | Tornado Warning | PHI | Cecil, Kent, Queen Anne's, Talbot | 31 min |
| Sep 28, 10:22 AM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent, Queen Anne's | 53 min |
| Sep 28, 10:41 AM EDT | Special Weather Statement | PHI | Caroline | 64 min |
| Sep 28, 7:33 AM EDT | Special Weather Statement | PHI | Kent, New Castle | 57 min |
Nearby
Special Weather Statements in Pennsylvania, 2010Every special weather statement 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.