Alert archive / New Jersey / Flash Flood Warnings in 2005

Flash Flood Warning 21, NWS Philadelphia/Mount Holly

September 14, 2005Middlesex County, Morris County, Somerset County, New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Sep 14, 2005, 5:37 PM EDT for Middlesex County, Morris County, Somerset County, New Jersey. It was in force for 3 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Sep 14, 2005, 5:37 PM EDT (21:37 UTC)
Expired
Sep 14, 2005, 8:30 PM EDT
In force
3 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Counties, with a storm outline in the text

Counties Middlesex County, NJ, Morris County, NJ, Somerset County, NJ

The radar

The Philadelphia radar (KDIX), 71 km from the middle of the area, began a volume at 21:37 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.

What was reported inside it

TimeReportWhereRemark
Sep 14, 6:23 PM EDTFLASH FLOODScotch Plains, NJRAINFALL RATES OF GREATER THAN 2 INCHES PER HOUR CAUSED FLASH FLOODING OF STREETS AND HIGHWAYS. AT LEAST ONE PERSON NEEDED TO BE RESCUED FROM THEIR VEHICLE WHEN IT GOT TRAPPED IN QUICKLY RISING FLOOD WATERS.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 9.6 hours before the alert went out and 139 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 2005-09-14Temperature 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 2005-09-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 square meters per square second.1939Sfc1 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
1621 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
50 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 
WGUS51 KPHI 142139
FFWPHI
NJC023-027-035-150030-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
537 PM EDT WED SEP 14 2005

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WESTERN MIDDLESEX COUNTY IN NORTHERN NEW JERSEY
  THIS INCLUDES THE CITY OF NEW BRUNSWICK
  EASTERN MORRIS COUNTY IN NORTHERN NEW JERSEY
  EASTERN SOMERSET COUNTY IN NORTHERN NEW JERSEY

* UNTIL 830 PM EDT

* AT 534 PM EDT...DOPPLER RADAR STORM TOTAL ESTIMATES REPORTED
  AROUND THREE INCHES OF RAIN ALONG THE MIDDLESEX AND SOMERSET
  COUNTY BORDER WITH AMOUNTS UP TO THREE INCHES IN SOUTHEAST
  MORRIS COUNTY. THUNDERSTORMS ARE REFORMING ALONG THE BORDER
  AND UP TO AN ADDITIONAL INCH OF RAIN OF LIKELY. POOR DRAINAGE
  FLOODING HAS ALREADY BEEN REPORTED AND SOME STREAMS MIGHT ALSO
  BEGIN FLOODING.
 
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  MIDDLESEX...MADISON...EAST HANOVER AND BOUND BROOK.

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER
GROUND. NEVER DRIVE AROUND BARRICADES.

LAT...LON 4039 7464 4029 7451 4088 7424 4097 7435

$$

TFG

Nearby

Flash Flood Warnings in New Jersey, 2005Every flash flood warning in 2005

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.