Alert archive / New Jersey / Areal Flood Warnings in 2011

Areal Flood Warning 3, NWS Philadelphia/Mount Holly

March 6, 2011Sussex County, Warren County, New Jersey

NWS Philadelphia/Mount Holly issued this areal flood warning at Mar 6, 2011, 6:00 PM EST for Sussex County, Warren County, New Jersey. It was in force for 6 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: Mar 6, 2011, 6:00 PM EST (23:00 UTC)
Expired: Mar 6, 2011, 11:48 PM EST
In force: 6 hr
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Flood severity: None

Counties Sussex County, NJ, Warren County, NJ

The radar

The Philadelphia radar (KDIX), 116 km from the middle of the area, began a volume at 23:01 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, 11.0 hours before the alert went out and 168 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 10 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 597 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 351 m²/s²
0-3 km storm-relative helicity: 326 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.

666 
WGUS41 KPHI 062300
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
600 PM EST SUN MAR 6 2011

NJC037-041-070500-
/O.NEW.KPHI.FA.W.0003.110306T2300Z-110307T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SUSSEX NJ-WARREN NJ-
600 PM EST SUN MAR 6 2011

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS IN...
  SUSSEX COUNTY IN NORTHWEST NEW JERSEY...
  WARREN COUNTY IN NORTHWEST NEW JERSEY...

* UNTIL MIDNIGHT EST MONDAY

* AT 558 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
HEAVY RAIN FALLING OVER NORTHWEST NEW JERSEY. SO FAR TODAY...AS MUCH 
AS ONE AND THREE-QUARTERS OF AN INCH OF RAIN HAS FALLEN. WITH THE 
NEXT BATCH OF HEAVY RAIN...AN ADDITIONAL INCH OF RAIN IS POSSIBLE.

THE ADDITIONAL RAINFALL THIS EVENING WILL RESULT IN STREAMS AND 
CREEKS RISING OUT OF THEIR BANKS. IN ADDITION...ROAD FLOODING AND 
FLOODING OF POOR DRAINAGE AREAS CAN BE EXPECTED.

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.

LAT...LON 4125 7448 4120 7438 4092 7469 4090 7472
      4090 7478 4083 7482 4079 7486 4073 7495
      4064 7516 4077 7514 4082 7508 4084 7510
      4086 7505 4093 7510 4097 7510 4132 7473

$$

HAYES

1 follow-up statement

778 
WGUS81 KPHI 070448
FLSPHI

FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1148 PM EST SUN MAR 6 2011

NJC037-041-070456-
/O.CAN.KPHI.FA.W.0003.000000T0000Z-110307T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SUSSEX NJ-WARREN NJ-
1148 PM EST SUN MAR 6 2011

...THE FLOOD WARNING HAS BEEN CANCELLED FOR URBAN AREAS AND SMALL
STREAMS IN WARREN AND SUSSEX COUNTIES...

WITH STREAMS REMAINING IN THEIR BANKS AND ONLY POOR DRAINAGE AND LOW 
LYING STREET FLOODING BEING REPORTED, THE URBAN AND SMALL STREAM 
FLOOD WARNING HAS BEEN CANCELLED AND REPLACED WITH AN ADVISORY.

LAT...LON 4125 7448 4120 7438 4092 7469 4090 7472
      4090 7478 4083 7482 4079 7486 4073 7495
      4064 7516 4077 7514 4082 7508 4084 7510
      4086 7505 4093 7510 4097 7510 4132 7473

$$

KRUZDLO

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 6, 3:30 AM EST	Coastal Flood Statement	PHI	Burlington, Camden, Gloucester, Salem	17 hr
Mar 6, 3:37 AM EST	Winter Weather Advisory	PHI	Sussex, Warren	28 hr
Mar 6, 4:41 PM EST	Areal Flood Advisory	PHI	Sussex, Warren	4 hr
Mar 6, 5:01 PM EST	Areal Flood Advisory	PHI	Hunterdon, Morris, Somerset	12 hr
Mar 6, 5:33 PM EST	Areal Flood Advisory	PHI	Burlington, Camden, Gloucester, Mercer, Salem	4 hr
Mar 6, 5:54 PM EST	Special Weather Statement	PHI	Burlington, Camden	66 min
Mar 6, 6:17 PM EST	Areal Flood Warning	PHI	Morris	32 hr
Mar 6, 6:30 PM EST	Areal Flood Advisory	PHI	Atlantic, Camden, Cape May, Cumberland, Middlesex, Monmouth and 2 more	4 hr

Nearby

Areal Flood Warnings in New Jersey, 2011 Every 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.