Alert archive / New Jersey / Flash Flood Warnings in 1995

Flash Flood Warning 13, NWS Philadelphia/Mount Holly

October 21, 1995Morris County, Warren County, New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Oct 21, 1995, 11:25 AM EDT for Morris County, Warren County, New Jersey. It was in force for 65 min.

The area

The counties it named.

The facts

Issued: Oct 21, 1995, 11:25 AM EDT (15:25 UTC)
Expired: Oct 21, 1995, 12:30 PM EDT
In force: 65 min
Issued by: NWS Philadelphia/Mount Holly
Area: Whole counties

Counties Morris County, NJ, Warren County, NJ

The radar

The Philadelphia radar (KDIX), 106 km from the middle of the area, began a volume at 15:26 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, 3.4 hours before the alert went out and 160 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: 572 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 538 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 217 m²/s²
0-3 km storm-relative helicity: 250 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 4.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KPHL 211526
FFWPHL
NJC027-041-211630-
 
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PHILADELPHIA/MOUNT HOLLY NJ
1125 AM EDT SAT OCT 21 1995
 
THE NATIONAL WEATHER SERVICE IN PHILADELPHIA/MOUNT HOLLY HAS ISSUED A
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
EFFECTIVE UNTIL 1230 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN  NEW JERSEY
 
   ...WESTERN MORRIS COUNTY...WARREN COUNTY
 
SKYWARN SPOTTERS REPORTED DAMAGING WIND GUSTS WITH TREES DOWN IN
THE FLEMINGTON AREA.  THE THUNDERSTORM RESPONSIBLE FOR THIS SEVERE
WEATHER WAS ABOUT TO ENTER WESTERN MORRIS COUNTY NEAR MIDDLE VALLEY
AND EASTERN WARREN NEAR MANSFIELD.
 
IN ADDITION RAIN AT THE RATE OF AN INCH PER HOUR SHOULD FORCE STREAMS
OVER THEIR BANKS AS THIS AREA RECEIVED IN EXCESS OF 2 INCHES OF
RAIN OVERNIGHT.
 
THIS IS A DANGEROUS STORM.  PREPARE FOR STRONG DAMAGING WINDS...
LARGE HAIL...HEAVY RAINS AND DEADLY LIGHTNING.  SHOULD THE STORM
APPROACH MOVE INSIDE QUICKLY. DO NOT STAND NEAR WINDOWS.  MOBILE
HOMES ARE MOST VULNERABLE TO HIGH WINDS AND SHOULD BE AVOIDED.
 
TG
 
&

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Oct 21, 9:14 AM EDT, 2 hours 11 minutes before

PAZ055-061-062-067>071-NJZ001-007-008-010-012>026-DEZALL-211500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHILADELPHIA PA/MT HOLLY NJ
910 AM EDT SAT OCT 21 1995

...SEVERE THUNDERSTORM WATCH CANCELLED FOR MONROE...LEHIGH AND
NORTHAMPTON COUNTIES...
...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 AM EDT FOR
DELAWARE...SOUTHEAST PENNSYLVANIA AND NEW JERSEY...

THE NATIONAL WEATHER SERVICE HAS CANCELLED THE SEVERE THUNDERSTORM WATCH
FOR THE FOLLOWING COUNTIES:

IN EASTERN PA...
...MONROE...LEHIGH...NORTHAMPTON...

THE WATCH CONTINUES UNTIL 1100 AM FOR THE FOLLOWING COUNTIES:

IN EASTERN PA...
CHESTER...MONTGOMERY...BUCKS...DELAWARE...PHILADELPHIA...

IN NEW JERSEY...
...SUSSEX...WARREN...MORRIS...HUNTERDON...SOMERSET...MIDDLESEX...MERCER...
...MONMOUTH...BURLINGTON...OCEAN...CAMDEN...GLOUCESTER...SALEM...CUMBERLAND
...ATLANTIC...CAPE MAY...

IN DELAWARE...
...NEW CASTLE...KENT...SUSSEX...

A SQUALL LINE ALONG THE LEADING EDGE OF A COLD FRONT WAS EXITING THE
LEHIGH VALLEY AND EASTERN POCONOS AS OF 910 AM.  THUS THE THREAT FOR
SEVERE WEATHER IN THESE AREAS HAS ENDED.  BUT THE LINE STILL HAS TO
GO THROUGH THE LOCAL PHILADELPHIA AREA...EASTERN DELAWARE AND MOST OF
NEW JERSEY.

SEVERE THUNDERSTORMS PRODUCE LARGE DAMAGING HAIL 3/4 OF AN INCH IN
DIAMETER OR LARGER...DAMAGING THUNDERSTORM WINDS OF 58 MPH OR GREATER
AND DEADLY LIGHTNING.

A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE
THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD
BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN TO NOAA
WEATHER RADIO OR LOCAL RADIO OR TELEVISION STATIONS FOR LATER
STATEMENTS AND POSSIBLE WARvNINGS.  IN ADDITION TO SEVERE
WEATHER...TORRENTIAL DOWNPOURS WILL ACCOMPANY THE THUNDERSTORMS THIS
MORNING.

GIGI

Local storm report, Oct 21, 9:25 AM EDT, 2 hours before

STORM REPORT
NATIONAL WEATHER SERVICE PHILADELPHIA PA/MT HOLLY NJ
925 AM EDT SAT OCT 21 1995

...UPDATED STORM REPORT FOR SATURDAY OCTOBER 21 1995...

TIME(EDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

725-730    PIKE CREEK SHOPPING    DE      DAMAGE TO A STORE (RADIO
AM          CENTER...INTERSECTION         SHACK)-FRONT OF BUILDING
            OF RTES 7 AND 2.              HEAVILY DAMAGED
           NEW CASTLE

JRP

Local storm report, Oct 21, 9:26 AM EDT, 1 hour 59 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE PHILADELPHIA PA/MT HOLLY NJ
925 AM EDT SAT OCT 21 1995

...UPDATED STORM REPORT FOR SATURDAY OCTOBER 21 1995...

TIME(EDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

725-730    PIKE CREEK SHOPPING    DE      DAMAGE TO A STORE (RADIO
AM          CENTER...INTERSECTION         SHACK)-FRONT OF BUILDING
            OF RTES 7 AND 2.              HEAVILY DAMAGED
           NEW CASTLE

JRP

Special weather statement, Oct 21, 10:29 AM EDT, 56 minutes before

NJZ001-007-008-010-012-013-014-016>020-022>026-212000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHILADELPHIA PA/MT HOLLY NJ
1030 AM EDT SAT OCT 21 1995

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 400 AM EDT...

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH
EFFECTIVE UNTIL 400 PM EDT SATURDAY FOR THE FOLLOWING COUNTIES:

IN NEW JERSEY...
...ATLANTIC... BURLINGTON...CAMDEN...CAPE MAY...GLOUCESTER...HUNTERDON
...MERCER...MIDDLESEX...MONMOUTH...MORRIS...OCEAN...SOMERSET...SUSSEX
...UNION...WARREN.

THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR:
...ALL OF EASTERN PENNSYLVANIA...
...ALL OF NORTHEAST MARYLAND...
...ALL OF DELAWARE...
...SALEM AND CUMBERLAND COUNTIES IN NEW JERSEY...

SEVERE THUNDERSTORMS PRODUCE LARGE DAMAGING HAIL 3/4 OF AN INCH IN
DIAMETER OR LARGER...DAMAGING THUNDERSTORM WINDS OF 58 MPH OR GREATER AND
DEADLY LIGHTNING.

A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE
THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS
SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN TO
NOAA WEATHER RADIO OR LOCAL RADIO OR TELEVISION STATION FOR LATER
STATEMENTS AND POSSIBLE WARNINGS.

IF THREATENING WEATHER APPROACHES...GET TO A SAFE PLACE OF SHELTER
IMMEDIATELY. STAY OFF THE PHONE AND KEEP AWAY FROM WINDOWS. LIGHTNING IS
A KILLER IN THESE STORMS. DO NOT SEEK SHELTER UNDER TREES AND GET OUT OF
OPEN AREAS.

A,MC

Special weather statement, Oct 21, 10:30 AM EDT, 55 minutes before

NJZ001-007-008-010-012-013-014-016>020-022>026-212000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHILADELPHIA PA/MT HOLLY NJ
1030 AM EDT SAT OCT 21 1995

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 400 AM EDT...

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH
EFFECTIVE UNTIL 400 PM EDT SATURDAY FOR THE FOLLOWING COUNTIES:

IN NEW JERSEY...
...ATLANTIC... BURLINGTON...CAMDEN...CAPE MAY...GLOUCESTER...HUNTERDON
...MERCER...MIDDLESEX...MONMOUTH...MORRIS...OCEAN...SOMERSET...SUSSEX
...UNION...WARREN.

THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR:
...ALL OF EASTERN PENNSYLVANIA...
...ALL OF NORTHEAST MARYLAND...
...ALL OF DELAWARE...
...SALEM AND CUMBERLAND COUNTIES IN NEW JERSEY...

SEVERE THUNDERSTORMS PRODUCE LARGE DAMAGING HAIL 3/4 OF AN INCH IN
DIAMETER OR LARGER...DAMAGING THUNDERSTORM WINDS OF 58 MPH OR GREATER AND
DEADLY LIGHTNING.

A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE
THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS
SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN TO
NOAA WEATHER RADIO OR LOCAL RADIO OR TELEVISION STATION FOR LATER
STATEMENTS AND POSSIBLE WARNINGS.

IF THREATENING WEATHER APPROACHES...GET TO A SAFE PLACE OF SHELTER
IMMEDIATELY. STAY OFF THE PHONE AND KEEP AWAY FROM WINDOWS. LIGHTNING IS
A KILLER IN THESE STORMS. DO NOT SEEK SHELTER UNDER TREES AND GET OUT OF
OPEN AREAS.

AMC

Special weather statement, Oct 21, 10:33 AM EDT, 52 minutes before

NJZ001-007-008-010-012-013-014-016>020-022>026-212000-

SPECIAL WEATHER STATEMENT...CORRECTION FOR TIME IN HEADLINE
NATIONAL WEATHER SERVICE PHILADELPHIA PA/MT HOLLY NJ
1033 AM EDT SAT OCT 21 1995

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 400 PM EDT...

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH
EFFECTIVE UNTIL 400 PM EDT SATURDAY FOR THE FOLLOWING COUNTIES:

IN NEW JERSEY...
...ATLANTIC... BURLINGTON...CAMDEN...CAPE MAY...GLOUCESTER...HUNTERDON
...MERCER...MIDDLESEX...MONMOUTH...MORRIS...OCEAN...SOMERSET...SUSSEX
...UNION...WARREN.

THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR:
...ALL OF EASTERN PENNSYLVANIA...
...ALL OF NORTHEAST MARYLAND...
...ALL OF DELAWARE...
...SALEM AND CUMBERLAND COUNTIES IN NEW JERSEY...

SEVERE THUNDERSTORMS PRODUCE LARGE DAMAGING HAIL 3/4 OF AN INCH IN
DIAMETER OR LARGER...DAMAGING THUNDERSTORM WINDS OF 58 MPH OR GREATER AND
DEADLY LIGHTNING.

A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE
THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS
SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN TO
NOAA WEATHER RADIO OR LOCAL RADIO OR TELEVISION STATION FOR LATER
STATEMENTS AND POSSIBLE WARNINGS.

IF THREATENING WEATHER APPROACHES...GET TO A SAFE PLACE OF SHELTER
IMMEDIATELY. STAY OFF THE PHONE AND KEEP AWAY FROM WINDOWS. LIGHTNING IS
A KILLER IN THESE STORMS. DO NOT SEEK SHELTER UNDER TREES AND GET OUT OF
OPEN AREAS.

AMC

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 21, 11:25 AM EDT	Severe Thunderstorm Warning	PHI	Morris, Warren	65 min

Nearby

Flash Flood Warnings in New Jersey, 1995 Every flash flood warning in 1995

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.