Alert archive / New Jersey / Flash Flood Warnings in 2001

Flash Flood Warning 23, NWS Philadelphia/Mount Holly

June 17, 2001Monmouth County, New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Jun 17, 2001, 12:05 PM EDT for Monmouth County, New Jersey. It was in force for 115 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 17, 2001, 12:05 PM EDT (16:05 UTC)
Expired
Jun 17, 2001, 2:00 PM EDT
In force
115 min
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

County Monmouth County, NJ

The radar

The Philadelphia radar (KDIX), 44 km from the middle of the area, began a volume at 16:04 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, 4.1 hours before the alert went out and 127 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 2001-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1061 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2001-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 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
1061 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
519 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
91 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.2

Open this sounding in Storm Lab

The text

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

000 
WGUS51 KPHI 171606
FFWPHI
NJC025-171800-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1205 PM EDT SUN JUN 17 2001

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS EXTENDED A

* FLASH FLOOD WARNING FOR...
  MONMOUTH COUNTY IN CENTRAL NEW JERSEY

* UNTIL 200 PM EDT.

* AT 1155 AM EDT...NATIONAL WEATHER SERVICE RADAR CONTINUED TO
INDICATE MODERATE TO HEAVY RAIN IN MONMOUTH COUNTY.  THE RAIN
SHOULD COME TO AN END BY 200 PM...BUT NOT BEFORE ANOTHER INCH OR SO 
IS ADDED TO THE TOTALS.

RAINFALL AMOUNTS OF TWO TO FOUR INCHES WERE COMMON IN THE COUNTY 
THIS MORNING...MAINLY IN THE EASTERN HALF.  MOST OF THE
PRECIPITATION FELL BETWEEN 900 AM AND NOON.

MANY ROADWAYS ARE REPORTED UNDER WATER.  DO NOT DRIVE THROUGH FLOOD
WATERS...IT MAY BE DEEPER THAN YOU THINK IT IS.

FOR THE LATEST STORM INFORMATION...PLEASE TUNE TO NOAA WEATHER 
RADIO...YOUR LOCAL RADIO OR TELEVISION STATION...OR YOUR CABLE 
TELEVISION OUTLET.

$$

LAT...LON 4040 7399 4013 7403 4020 7426 4016 7458
          4040 7420



IOVINO/QUAGLIARIELLO/NATIONAL WEATHER SERVICE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 3:47 AM EDTFlash Flood WarningPHIMorris88 min
Jun 17, 7:00 AM EDTFlash Flood WarningPHIHunterdon3 hr
Jun 17, 8:35 AM EDTFlash Flood WarningPHIMercer, Middlesex, Somerset4 hr
Jun 17, 9:15 AM EDTFlash Flood WarningPHIMonmouth3 hr
Jun 17, 10:24 AM EDTFlash Flood WarningPHIAtlantic, Ocean3 hr

Nearby

Flash Flood Warnings in New Jersey, 2001Every flash flood warning in 2001

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.