Alert archive / New Jersey / Flood Watches in 2006

Flood Watch 3, NWS Philadelphia/Mount Holly

April 22, 20067 counties in New Jersey

NWS Philadelphia/Mount Holly issued this flood watch at Apr 22, 2006, 3:04 PM EDT for 7 counties in New Jersey. It was in force for 19 hr.

The area

The counties it named.

The facts

Issued
Apr 22, 2006, 3:04 PM EDT (19:04 UTC)
Expired
Apr 23, 2006, 9:36 AM EDT
In force
19 hr
Issued by
NWS Philadelphia/Mount Holly
Flood severity
None

Counties Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Morris County, NJ, Somerset County, NJ, Sussex County, NJ, Warren County, NJ

The radar

The Philadelphia radar (KDIX), 84 km from the middle of the area, began a volume at 19:08 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, 7.1 hours before the alert went out and 156 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 12:00Z on 2006-04-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2006-04-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 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
1655 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
169 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.

000 
WGUS61 KPHI 221904
FFAPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
304 PM EDT SAT APR 22 2006

NJZ001-007>010-012-015-230315-
/O.NEW.KPHI.FA.A.0003.060422T1904Z-060423T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-MERCER-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN...
FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...TRENTON
304 PM EDT SAT APR 22 2006

...FLOOD WATCH IN EFFECT THROUGH SUNDAY MORNING...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A

* FLOOD WATCH FOR PORTIONS OF CENTRAL NEW JERSEY AND NORTHERN 
  NEW JERSEY...INCLUDING THE FOLLOWING AREAS...IN CENTRAL NEW 
  JERSEY...MERCER. IN NORTHERN NEW JERSEY...HUNTERDON...
  MIDDLESEX...MORRIS...SOMERSET...SUSSEX AND WARREN.

* THROUGH SUNDAY MORNING

* LOW PRESSURE WILL PERSIST OVER THE GREAT LAKES REGION INTO
  MONDAY. AN ASSOCIATED FRONTAL SYSTEM WILL TRACK THROUGH OUR AREA
  ON SUNDAY. WHILE THIS COMPLEX SCENARIO UNFOLDS, A SECONDARY AREA
  OF LOW PRESSURE WILL DEVELOP ON THE FRONT AND ENHANCE RAINFALL
  TONIGHT ACROSS THE NORTHERN MID-ATLANTIC REGION. 

* RAIN WILL ONCE AGAIN BECOME HEAVY TONIGHT. RAINFALL TOTALS
  THROUGH EARLY ON SUNDAY ARE EXPECTED TO RANGE FROM TWO TO FOUR
  INCHES. AN ISOLATED THUNDERSTORM CAN NOT BE RULED OUT.

A FLOOD WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR HEAVY RAIN
ACROSS THE WATCH AREA...WHICH MAY LEAD TO FLOODING ALONG STREAMS
AND CREEKS. IF YOU ARE IN THE WATCH AREA...CHECK YOUR
PREPAREDNESS REQUIREMENTS. KEEP INFORMED...AND BE READY FOR
ACTION IF FLOODING IS OBSERVED OR IF A FLOOD WARNING IS ISSUED.

$$

KRUZDLO
3 follow-up statements
000 
WGUS61 KPHI 230149
FFAPHI

FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
949 PM EDT SAT APR 22 2006

NJZ001-007>010-012-015-231000-
/O.CON.KPHI.FA.A.0003.000000T0000Z-060423T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-MERCER-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN...
FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...TRENTON
949 PM EDT SAT APR 22 2006

...FLOOD WATCH REMAINS IN EFFECT THROUGH SUNDAY MORNING...

THE FLOOD WATCH CONTINUES FOR

* PORTIONS OF CENTRAL NEW JERSEY AND NORTHERN NEW JERSEY...
  INCLUDING THE FOLLOWING AREAS...IN CENTRAL NEW JERSEY...MERCER 
  IN NORTHERN NEW JERSEY...HUNTERDON...MIDDLESEX...MORRIS...
  SOMERSET...SUSSEX AND WARREN.

* THROUGH SUNDAY MORNING

* LOW PRESSURE WILL PERSIST OVER THE GREAT LAKES REGION INTO
  MONDAY. AN ASSOCIATED FRONTAL SYSTEM WILL TRACK THROUGH OUR AREA
  ON SUNDAY. WHILE THIS COMPLEX SCENARIO UNFOLDS...A SECONDARY
  AREA OF LOW PRESSURE WILL DEVELOP ON THE FRONT AND ENHANCE
  RAINFALL OVERNIGHT ACROSS THE NORTHERN MID-ATLANTIC REGION.

* RAINFALL TOTALS THROUGH EARLY SUNDAY ARE EXPECTED TO RANGE FROM
  TWO TO FOUR INCHES. AN ISOLATED THUNDERSTORM CAN NOT BE RULED
  OUT.

A FLOOD WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR HEAVY RAIN
ACROSS THE WATCH AREA...WHICH MAY LEAD TO FLOODING ALONG STREAMS
AND CREEKS. IF YOU ARE IN THE WATCH AREA...CHECK YOUR
PREPAREDNESS REQUIREMENTS. KEEP INFORMED...AND BE READY FOR
ACTION IF FLOODING IS OBSERVED OR IF A FLOOD WARNING IS ISSUED.

$$
000 
WGUS61 KPHI 230812
FFAPHI

FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
412 AM EDT SUN APR 23 2006

NJZ001-007>010-012-015-231500-
/O.CON.KPHI.FA.A.0003.000000T0000Z-060423T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-MERCER-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN...
FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...TRENTON
412 AM EDT SUN APR 23 2006

...FLOOD WATCH REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING...

THE FLOOD WATCH CONTINUES FOR

* PORTIONS OF CENTRAL NEW JERSEY AND NORTHERN NEW JERSEY...
  INCLUDING THE FOLLOWING AREAS...IN CENTRAL NEW JERSEY...MERCER 
  IN NORTHERN NEW JERSEY...HUNTERDON...MIDDLESEX...MORRIS...
  SOMERSET...SUSSEX AND WARREN.

* UNTIL 11 AM EDT THIS MORNING

* A COMPLEX FRONTAL SYSTEM WILL CONTINUE TO BRING SOME HEAVY RAIN
  TO AT LEAST PORTIONS OF THE WATCH AREA THIS MORNING.

* RAINFALL TOTALS ACROSS THE WATCH AREA THROUGH 400 AM EDT RANGED
  FROM ONE TO TWO INCHES. UP TO AN ADDITIONAL INCH OF RAIN IS
  POSSIBLE THROUGH LATE MORNING, ESPECIALLY BUT NOT EXCLUSIVELY
  OVER LOCATIONS IN AND NEAR THE NEW YORK METROPOLITAN AREA.

A FLOOD WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR HEAVY RAIN
ACROSS THE WATCH AREA, WHICH MAY LEAD TO FLOODING ALONG STREAMS
AND CREEKS. IF YOU ARE IN THE WATCH AREA, CHECK YOUR PREPAREDNESS
REQUIREMENTS. KEEP INFORMED, AND BE READY FOR ACTION IF FLOODING
IS OBSERVED OR IF A FLOOD WARNING IS ISSUED.

$$

MPD
000 
WGUS61 KPHI 231336
FFAPHI

FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
935 AM EDT SUN APR 23 2006


NJZ001-007>010-012-015-231445-
/O.CAN.KPHI.FA.A.0003.000000T0000Z-060423T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-MERCER-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN...
FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...TRENTON
935 AM EDT SUN APR 23 2006

...FLOOD WATCH IS CANCELLED...

THE FLOOD WATCH FOR PORTIONS OF CENTRAL NEW JERSEY AND NORTHERN
NEW JERSEY HAS BEEN CANCELED. 

HEAVY RAIN HAS MOVED OUT OF THE REGION AND THERE IS NO LONGER A THREAT
FOR FLOODING.

$$

RNS

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 22, 5:31 PM EDTSpecial Marine WarningPHI44 min

Nearby

Flood Watches in New Jersey, 2006Every flood watch in 2006

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.