Alert archive / New Jersey / Areal Flood Warnings in 2011

Areal Flood Warning 68, NWS Philadelphia/Mount Holly

September 6, 2011Morris County, New Jersey

NWS Philadelphia/Mount Holly issued this areal flood warning at Sep 6, 2011, 6:57 AM EDT for Morris County, New Jersey. It was in force for 22 hr. 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 6, 2011, 6:57 AM EDT (10:57 UTC)
Expired
Sep 7, 2011, 5:00 AM EDT
In force
22 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Flood severity
None

County Morris County, NJ

The radar

The Philadelphia radar (KDIX), 109 km from the middle of the area, began a volume at 10:59 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, 11.0 hours before the alert went out and 126 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.

Skew-T log-pSkew-T log-p diagram, Brookhaven, NY at 00:00Z on 2011-09-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 00:00Z on 2011-09-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 147 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1126 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
147 m²/s²
0-3 km storm-relative helicity
157 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

380 
WGUS41 KPHI 061057
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
657 AM EDT TUE SEP 6 2011

NJC027-061500-
/O.NEW.KPHI.FA.W.0068.110906T1057Z-110906T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MORRIS NJ-
657 AM EDT TUE SEP 6 2011

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* FLOOD WARNING FOR...
  NORTHEASTERN MORRIS COUNTY IN NORTHERN NEW JERSEY...

* UNTIL 1100 AM EDT

* AT 655 AM EDT THE EAST DITCH AT BEAVER BROOK ROAD SHOULD EXCEED
  FLOOD STAGE THIS MORNING. OTHER FLOODING MAY DEVELOP DURING MIDDAY
  AS HEAVIER RAINS ARRIVE.  

A FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR HAS BEEN REPORTED.
STREAM RISES WILL BE SLOW AND FLASH FLOODING IS NOT EXPECTED.
HOWEVER...ALL INTERESTED PARTIES SHOULD TAKE NECESSARY PRECAUTIONS
IMMEDIATELY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE ELEVATED LEVELS ON
SMALL CREEKS AND STREAMS...AND PONDING OF WATER IN URBAN AREAS...
HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER POOR DRAINAGE
AREAS AND LOW LYING SPOTS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

&&

LAT...LON 4089 7428 4089 7433 4087 7433 4086 7431
      4079 7436 4081 7459 4105 7453 4105 7444
      4102 7442 4101 7432 4097 7427 4092 7428
      4091 7427

$$


DRAG
3 follow-up statements
362 
WGUS41 KPHI 061453
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1053 AM EDT TUE SEP 6 2011

NJC027-062300-
/O.EXT.KPHI.FA.W.0068.000000T0000Z-110906T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MORRIS NJ-
1053 AM EDT TUE SEP 6 2011

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS EXTENDED THE

* FLOOD WARNING FOR...
  NORTHEASTERN MORRIS COUNTY IN NORTHERN NEW JERSEY...

* UNTIL 700 PM EDT TUESDAY

* AT 1050 AM EDT...THE WATER LEVEL ON THE EAST DITCH AT BEAVER BROOK 
ROAD WAS AT 2.59 FEET AND WAS RISING. FLOOD STAGE IS 2.50 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE 
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS 
SAFELY. MOVE TO HIGHER GROUND.

&&

LAT...LON 4089 7428 4089 7433 4087 7433 4086 7431
      4079 7436 4081 7459 4105 7453 4105 7444
      4102 7442 4101 7432 4097 7427 4092 7428
      4091 7427

$$

KRUZDLO
508 
WGUS81 KPHI 061833
FLSPHI

FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
233 PM EDT TUE SEP 6 2011

NJC027-062300-
/O.CON.KPHI.FA.W.0068.000000T0000Z-110906T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MORRIS NJ-
233 PM EDT TUE SEP 6 2011

...THE FLOOD WARNING REMAINS IN EFFECT UNTIL 700 PM EDT FOR
NORTHEASTERN MORRIS COUNTY...

AT 224 PM EDT...THE WATER LEVEL ON THE EAST DITCH AT BEAVER BROOK 
ROAD WAS AT 2.97 FEET AND WAS RISING. FLOOD STAGE IS 2.50 FEET. THE 
POMPTON RIVER AT MIDWOOD WAS AT 7.83 FEET AND WAS RISING. FLOOD 
STAGE IS 7.50 FEET.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

&&

LAT...LON 4089 7428 4089 7433 4087 7433 4086 7431
      4079 7436 4081 7459 4105 7453 4105 7444
      4102 7442 4101 7432 4097 7427 4092 7428
      4091 7427

$$

KRUZDLO
683 
WGUS41 KPHI 062219
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
619 PM EDT TUE SEP 6 2011

NJC027-070900-
/O.EXT.KPHI.FA.W.0068.000000T0000Z-110907T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MORRIS NJ-
619 PM EDT TUE SEP 6 2011

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS EXTENDED THE

* FLOOD WARNING FOR...
  NORTHEASTERN MORRIS COUNTY IN NORTHERN NEW JERSEY...

* UNTIL 500 AM EDT WEDNESDAY

* AT 615 PM EDT...THE GAGE READING ON THE EAST DITCH AT BEAVER BROOK 
  ROAD WAS 3.1 FEET. FLOOD STAGE IS 2.5 FEET. ADDITIONAL RAIN 
  TONIGHT WILL RESULT IN RISING LEVELS ON THE EAST DITCH TONIGHT.
  
* THE POMPTON RIVER AT MIDWOOD WAS 8.2 FEET. FLOOD STAGE IS 7.5 FEET.
  ADDITIONAL RAIN TONIGHT WILL RESULT IN RISING RIVER LEVELS.

A FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR HAS BEEN REPORTED.
STREAM RISES WILL BE SLOW AND FLASH FLOODING IS NOT EXPECTED.
HOWEVER...ALL INTERESTED PARTIES SHOULD TAKE NECESSARY PRECAUTIONS
IMMEDIATELY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

&&

LAT...LON 4089 7428 4089 7433 4087 7433 4086 7431
      4079 7436 4081 7459 4105 7453 4105 7444
      4102 7442 4101 7432 4097 7427 4092 7428
      4091 7427

$$

HAYES

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 5, 9:43 PM EDTFlash Flood WarningPHIMorris, Sussex, Warren4 hr
Sep 5, 11:04 PM EDTAreal Flood AdvisoryPHIHunterdon, Warren6 hr
Sep 6, 12:22 AM EDTAreal Flood AdvisoryPHIBurlington, Camden, Gloucester, Salem3 hr
Sep 6, 1:32 AM EDTAreal Flood AdvisoryPHIMorris, Sussex, Warren5 hr
Sep 6, 4:35 PM EDTRiver Flood WarningPHIEssex, Passaic7 days
Sep 6, 4:35 PM EDTRiver Flood WarningPHIMorris, Passaic4 days
Sep 6, 4:35 PM EDTRiver Flood WarningPHIMorris5 days
Sep 6, 4:35 PM EDTRiver Flood WarningPHIPassaic4 days
Sep 6, 5:43 PM EDTAreal Flood AdvisoryPHIBurlington, Camden, Gloucester, Hunterdon, Mercer, Salem3 hr
Sep 6, 5:45 PM EDTAreal Flood AdvisoryPHIHunterdon, Middlesex, Morris, Somerset3 hr
Sep 6, 6:10 PM EDTAreal Flood WarningPHISussex, Warren71 hr
Sep 6, 6:48 PM EDTAreal Flood WarningPHIHunterdon, Mercer, Morris, Somerset31 hr

Nearby

Areal Flood Warnings in New Jersey, 2011Every areal flood warning 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.