Alert archive / New Jersey / Flash Flood Warnings in 2001

Flash Flood Warning 19, NWS Philadelphia/Mount Holly

June 17, 2001Hunterdon County, New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Jun 17, 2001, 7:00 AM EDT for Hunterdon County, New Jersey. It was in force for 3 hr. 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, 7:00 AM EDT (11:00 UTC)
Expired: Jun 17, 2001, 10:00 AM EDT
In force: 3 hr
Issued by: NWS Philadelphia/Mount Holly
Area: Whole counties

County Hunterdon County, NJ

The radar

The Philadelphia radar (KDIX), 81 km from the middle of the area, began a volume at 11:01 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 00:00Z, 11.0 hours before the alert went out and 176 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: 516 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 617 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 42 m²/s²
0-3 km storm-relative helicity: 52 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 171104
FFWPHI
NJC019-171400-

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

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  HUNTERDON COUNTY IN NORTHWEST NEW JERSEY

* UNTIL 1000 AM EDT.

* AT 655 AM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED MODERATE 
TO HEAVY RAINFALL IN THE COUNTY.  RADAR ESTIMATES OF RAINFALL
TOTALS SINCE SATURDAY AFTERNOON RANGE FROM 3 TO 4 INCHES IN
HUNTERDON COUNTY.  THE RAIN SHOULD CONTINUE UNTIL LATE THIS MORNING.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  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.
VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.  MOVE
TO HIGHER GROUND.

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

$$

LAT...LON 4070 7477 4056 7479 4036 7491 4061 7509
          4075 7489


IOVINO/NATIONAL WEATHmER SERVICE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 3:47 AM EDT	Flash Flood Warning	PHI	Morris	88 min
Jun 17, 8:35 AM EDT	Flash Flood Warning	PHI	Mercer, Middlesex, Somerset	4 hr
Jun 17, 9:15 AM EDT	Flash Flood Warning	PHI	Monmouth	3 hr
Jun 17, 10:24 AM EDT	Flash Flood Warning	PHI	Atlantic, Ocean	3 hr
Jun 17, 12:05 PM EDT	Flash Flood Warning	PHI	Monmouth	115 min

Nearby

Flash Flood Warnings in New Jersey, 2001 Every 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.