Alert archive / New Jersey / Areal Flood Advisories in 2011
Areal Flood Advisory 214, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this areal flood advisory at Dec 27, 2011, 10:11 PM EST for Morris County, New Jersey. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Dec 27, 2011, 10:11 PM EST (03:11 UTC)
- Expired
- Dec 28, 2011, 12:15 AM EST
- In force
- 2 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
County Morris County, NJ
The radar
The Philadelphia radar (KDIX), 102 km from the middle of the area, began a volume at 03:11 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 00:00Z, 3.2 hours before the alert went out and 141 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
- 5 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 464 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 930 m²/s²
- 0-3 km storm-relative helicity
- 1310 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this areal flood advisory 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 areal flood advisory went out at Dec 27, 9:52 PM EST, 19 minutes earlier.
Area forecast discussion, Dec 27, 9:52 PM EST, 19 minutes before
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</html>Hazardous weather outlook, Dec 27, 9:44 PM EST, 27 minutes before
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</html>In the hours before
Special weather statement, Dec 27, 4:31 PM EST, 5 hours 40 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 431 PM EST TUE DEC 27 2011 DEZ002>004-MDZ008-012-015-019-020-NJZ016>027-280000- KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-QUEEN ANNES- TALBOT-CAROLINE-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON- OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-ATLANTIC COASTAL CAPE MAY- COASTAL ATLANTIC-COASTAL OCEAN-SOUTHEASTERN BURLINGTON- INCLUDING THE CITIES OF...DOVER...GEORGETOWN...REHOBOTH BEACH... ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON... PENNSVILLE...GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN... MOUNT HOLLY...JACKSON...MILLVILLE...HAMMONTON... CAPE MAY COURT HOUSE...OCEAN CITY...ATLANTIC CITY... LONG BEACH ISLAND...WHARTON STATE FOREST 431 PM EST TUE DEC 27 2011 ...HEAVIER RAIN MOVING THROUGH THE AREA... AN AREA OF HEAVIER RAIN OVER DELMARVA WILL OVERSPREAD SOUTHEAST NEW JERSEY BETWEEN 5 PM AND 6 PM. RAINFALL AMOUNTS OF AROUND ONE TO TWO TENTHS OF AN INCH PER HOUR WILL OCCUR AND CAUSE SOME LOCALIZED LOW LYING AND POOR DRAINAGE FLOODING. PLEASE BE WARY WHILE COMMUTING THIS EVENING. THE BACK EDGE OF THE HEAVIER RAIN AS OF 430 PM WAS ALREADY APPROACHING OUR PART OF THE DELMARVA PENINSULA. IN ADDITION TO THE HEAVY RAIN, STRONG GUSTY SOUTHEAST WINDS OF 35 TO 45 MPH WILL CONTINUE INTO EARLY EVENING, THE STRONGEST GUSTS NEAR THE BAYS AND THE OCEAN. SOME WEAK TREE LIMBS AND POSSIBLY SOME WEAK SHALLOW ROOTED TREES MIGHT BE KNOCKED DOWN. DEZ001-PAZ067>071-280000- NEW CASTLE-CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...WEST CHESTER... NORRISTOWN...DOYLESTOWN...MEDIA...PHILADELPHIA 431 PM EST TUE DEC 27 2011 ...HEAVIER RAIN MOVING THROUGH THE AREA... AN AREA OF HEAVIER RAIN OVER CHESTER AND NEW CASTLE COUNTIES WILL OVERSPREAD THE REST OF THE AREA BETWEEN 5 PM AND 6 PM. RAINFALL AMOUNTS OF AROUND ONE TO TWO TENTHS OF AN INCH PER HOUR WILL OCCUR AND CAUSE SOME LOCALIZED LOW LYING AND POOR DRAINAGE FLOODING. PLEASE BE WARY WHILE COMMUTING THIS EVENING. IN ADDITION TO THE HEAVY RAIN, STRONG GUSTY SOUTHEAST WINDS AS HIGH AS 30 TO 40 MPH ARE POSSIBLE INTO EARLY THIS EVENING AND MIGHT TAKE DOWN SOME WEAK TREE LIMBS. A FLOOD WATCH REMAINS IN EFFECT FOR THE AREA. NJZ001-007>010-012>015-PAZ054-055-060>062-280000- SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX- WESTERN MONMOUTH-EASTERN MONMOUTH-MERCER-CARBON-MONROE-BERKS- LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN... FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...FREEHOLD...SANDY HOOK... TRENTON...JIM THORPE...STROUDSBURG...READING...ALLENTOWN... BETHLEHEM...EASTON 431 PM EST TUE DEC 27 2011 ...HEAVIER RAIN MOVING THROUGH THE AREA... BANDS OF HEAVIER RAIN WILL CONTINUE TO MOVE INTO THE AREA. RAINFALL AMOUNTS OF AROUND ONE TO TWO TENTHS OF AN INCH PER HOUR WILL OCCUR AND CAUSE SOME LOCALIZED LOW LYING AND POOR DRAINAGE FLOODING. PLEASE BE WARY WHILE COMMUTING THIS EVENING.
Special weather statement, Dec 27, 4:46 PM EST, 5 hours 25 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
446 PM EST TUE DEC 27 2011
MDZ012-015-019-020-272245-
CAROLINE MD-KENT MD-QUEEN ANNE'S MD-TALBOT MD-
446 PM EST TUE DEC 27 2011
...SHOWERS WITH GUSTY WINDS WILL AFFECT CAROLINE...KENT...QUEEN ANNE'S
AND TALBOT COUNTIES...
AT 442 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SHOWERS WITH STRENGTHENING WIND GUSTS ALONG A LINE EXTENDING FROM
ABOUT 25 MILES SOUTH OF BALTIMORE TO ABOUT 50 MILES SOUTHWEST OF
EASTON TO ABOUT 100 MILES SOUTHWEST OF SALISBURY...MOVING NORTHEAST
AT 55 MPH. THE SHOWERS WILL BE NEAR ROCK HALL...STEVENSVILLE SOUTH
AND STEVENSVILLE AROUND 505 PM...ROCK HALL AND CHESTER AROUND 510
PM...TILGHMAN ISLAND...OVERTON AND LANGFORD AROUND 515 PM...AND
TALBOT AND OLD TOWN AROUND 520 PM.
BRIEF HEAVY DOWNPOURS AND WIND GUSTS TO 40 MPH ARE POSSIBLE WITH
THESE SHOWERS. ISOLATED SHOWERS WITHIN THE LINE HAVE THE POTENTIAL
TO DEVELOP INTO THUNDERSTORMS.
LAT...LON 3873 7625 3867 7636 3877 7640 3875 7635
3887 7626 3882 7621 3884 7620 3894 7624
3884 7638 3894 7637 3905 7631 3900 7627
3900 7618 3903 7625 3918 7628 3938 7594
3938 7577 3921 7575 3857 7606
MPDSpecial weather statement, Dec 27, 6:08 PM EST, 4 hours 3 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
608 PM EST TUE DEC 27 2011
DEZ001>003-MDZ012-015-019-020-NJZ016>019-021-PAZ070-071-280000-
CAMDEN NJ-CAROLINE MD-CUMBERLAND NJ-DELAWARE PA-GLOUCESTER NJ-
INLAND SUSSEX DE-KENT MD-KENT DE-NEW CASTLE DE-
NORTHWESTERN BURLINGTON NJ-PHILADELPHIA PA-QUEEN ANNE'S MD-SALEM NJ-
TALBOT MD-
608 PM EST TUE DEC 27 2011
...SHOWERS WITH STRONG WIND GUSTS WILL AFFECT KENT...CAROLINE...
SALEM...CUMBERLAND...CAMDEN...GLOUCESTER...DELAWARE...PHILADELPHIA...
QUEEN ANNE'S...TALBOT...SUSSEX...NEW CASTLE AND BURLINGTON
COUNTIES...
AT 558 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SHOWERS WITH STRONG WIND GUSTS ALONG A LINE EXTENDING FROM ABOUT 5
MILES SOUTHEAST OF NEWARK, DELAWARE TO ABOUT 60 MILES SOUTHWEST OF
SALISBURY, MOVING NORTHEAST AT 45 MPH. THE SHOWERS WILL BE NEAR
ELSMERE, JUMPTOWN, SAINT GEORGES AND DELANEY CORNER AROUND 610 PM,
EDGEMOOR, BELLEFONTE, TANYARD AND MATTHEWS AROUND 615 PM, AND
CLAYMONT AND ARDENCROFT AROUND 620 PM.
WIND GUSTS TO 50 MPH ARE POSSIBLE BOTH AHEAD OF AND IMMEDIATELY
BEHIND THE LINE OF SHOWERS.
LAT...LON 3865 7572 3869 7583 3857 7606 3866 7617
3971 7568 4012 7500 4013 7499 4004 7499
4015 7464 4013 7461 3951 7499 3920 7506
3917 7514 3946 7555 3958 7556 3946 7558
3885 7523 3849 7539 3846 7569
MPDSpecial weather statement, Dec 27, 7:07 PM EST, 3 hours 4 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 707 PM EST TUE DEC 27 2011 NJZ001-007>010-012>015-PAZ055-062-069-280300- SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX- WESTERN MONMOUTH-EASTERN MONMOUTH-MERCER-MONROE-NORTHAMPTON-BUCKS- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN... FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...FREEHOLD...SANDY HOOK... TRENTON...STROUDSBURG...BETHLEHEM...EASTON...DOYLESTOWN 707 PM EST TUE DEC 27 2011 ...MORE HEAVIER RAIN OVER THE NEXT COUPLE OF HOURS... A COUPLE OF BANDS OF HEAVIER RAIN WILL MOVE THROUGH THE AREA THROUGH THE MIDDLE OF THE EVENING. THE BACK EDGE OF THE HEAVIER RAIN AS OF 7 PM EXTENDED FROM MOUNT POCONO SOUTH THROUGH EASTON PENNSYLVANIA AND QUAKERTOWN AND DOYLESTOWN IN BUCKS COUNTY. BETWEEN NOW AND 10 PM ADDITIONAL RAINFALL AMOUNTS OF BETWEEN ONE TENTH AND HALF AN INCH ARE LIKELY. THE HEAVIEST AMOUNTS WILL BE IN EASTERN NEW JERSEY AND THE LEAST IN PENNSYLVANIA. SOME LOCALIZED LOW LYING AND POOR DRAINAGE AREA FLOODING COULD OCCUR. PLEASE BE CAUTIOUS IF YOU ARE PLANNING ON DRIVING THIS EVENING.
Special weather statement, Dec 27, 7:12 PM EST, 2 hours 59 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
712 PM EST TUE DEC 27 2011
DEZ002>004-NJZ012>027-PAZ068>071-280200-
ATLANTIC NJ-ATLANTIC COASTAL CAPE MAY NJ-BUCKS PA-CAMDEN NJ-
CAPE MAY NJ-COASTAL ATLANTIC NJ-COASTAL OCEAN NJ-CUMBERLAND NJ-
DELAWARE PA-DELAWARE BEACHES DE-EASTERN MONMOUTH NJ-GLOUCESTER NJ-
INLAND SUSSEX DE-KENT DE-MERCER NJ-MIDDLESEX NJ-MONTGOMERY PA-
NORTHWESTERN BURLINGTON NJ-OCEAN NJ-PHILADELPHIA PA-SALEM NJ-
SOUTHEASTERN BURLINGTON NJ-WESTERN MONMOUTH NJ-
712 PM EST TUE DEC 27 2011
...SHOWERS WITH STRONG WIND GUSTS WILL AFFECT KENT...SALEM...
CUMBERLAND...CAMDEN...GLOUCESTER...MERCER...MIDDLESEX...DELAWARE...
PHILADELPHIA...MONTGOMERY...BUCKS...MONMOUTH...SUSSEX...CAPE MAY...
OCEAN...ATLANTIC AND BURLINGTON COUNTIES...
AT 707 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SHOWERS WITH HEAVY DOWNPOURS AND STRONG WIND GUSTS ALONG A LINE
EXTENDING FROM NEAR PHILADELPHIA TO NEAR GEORGETOWN TO NEAR
SALISBURY. THE LINE WAS MOVING NORTHEAST AT 45 MPH. IT WILL PASS
ACROSS THE PHILADELPHIA METRO AREA, THE TRENTON AREA, THE MILLVILLE
AREA AND SOUTHERN DELAWARE BY AROUND 730 PM, THE LAKEHURST TO
ATLANTIC CITY AREA BY AROUND 830 PM, AND OFF THE NEW JERSEY COAST BY
AROUND 900 PM.
BRIEF BUT VERY HEAVY RAIN WILL FALL FROM THESE SHOWERS. THE RAIN
WILL REDUCE THE VISIBILITY TO BELOW ONE-QUARTER MILE IN SPOTS AND
MAY CAUSE SOME LOCALIZED POOR DRAINAGE FLOODING.
WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THESE SHOWERS. PLEASE MOVE
INDOORS UNTIL THE SHOWERS PASS.
LAT...LON 3845 7560 3846 7560 3927 7541 3893 7530
3879 7511 3892 7498 3911 7490 3935 7540
4009 7528 4052 7424 4048 7427 4041 7400
4047 7401 4047 7399 3974 7409 3942 7433
3891 7497 3850 7504
MPDThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 27, 7:12 PM EST | Special Weather Statement | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 5 more | 108 min |
| Dec 27, 7:55 PM EST | Areal Flood Warning | PHI | Delaware | 94 min |
Nearby
Areal Flood Advisories in New Jersey, 2011Every areal flood advisory in 2011
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.