Alert archive / New Jersey / Flash Flood Warnings in 2006

Flash Flood Warning 71, NWS Philadelphia/Mount Holly

September 15, 2006Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Sep 15, 2006, 8:29 AM EDT for Ocean County, New Jersey. It was in force for 3 hr. 8 reports 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 15, 2006, 8:29 AM EDT (12:29 UTC)
Expired: Sep 15, 2006, 11:30 AM EDT
In force: 3 hr
Issued by: NWS Philadelphia/Mount Holly
Area: Counties, with a storm outline in the text

County Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 19 km from the middle of the area, began a volume at 12:31 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

Time	Report	Where	Remark
Sep 15, 9:30 AM EDT	FLASH FLOOD	3 Se Beachwood, NJ	MAJOR FLOODING WAS REPORTED IN THE BAYVILLE AREA OF BERKELEY TOWNSHIP. NUMEROUS UNDERPASSES NEAR THE GARDEN STATE PARKWAY WERE FLOODED WITH UP TO 5 FEET OF WATER. DOPPLER RADAR STORM TOTAL ESTIMATES ARE 5 TO 7 INCHES, WITH ADDITIONAL RAINFALL OCCURRING.
Sep 15, 9:30 AM EDT	FLASH FLOOD	3 Se Beachwood, NJ	MAJOR FLOODING WAS REPORTED IN THE BAYVILLE AREA OF BERKELEY TOWNSHIP. NUMEROUS UNDERPASSES NEAR THE GARDEN STATE PARKWAY WERE FLOODED WITH UP TO 5 FEET OF WATER. ROUTE 9 WAS ALSO REPORTED TO BE FLOODED. DOPPLER RADAR STORM TOTAL ESTIMATES ARE 5 TO 7 INCHES, W
Sep 15, 9:30 AM EDT	FLASH FLOOD	Toms River, NJ	FLOODING WAS REPORTED IN TOMS RIVER, INCLUDING AT LEAST ONE HOME.
Sep 15, 10:30 AM EDT	HEAVY RAIN 5.35	3 Se Beachwood, NJ	5.35 INCHES OF RAIN WAS MEASURED IN BAYVILLE, WITH HEAVY RAIN STILL OCCURRING. ALSO, 1.00 INCH OF RAIN FELL IN JUST 20 MINUTES.
Sep 15, 10:55 AM EDT	HEAVY RAIN 6.3	4 Ssw Ocean, NJ	6.30 INCHES OF RAIN WAS MEASURED IN LACEY TOWNSHIP.
Sep 15, 11:00 AM EDT	HEAVY RAIN 6.12	3 Se Beachwood, NJ	6.12 INCHES OF RAIN WAS MEASURED IN BAYVILLE, WITH RAIN STILL OCCURRING. ALSO, 1.00 INCH OF RAIN FELL IN JUST 20 MINUTES.
Sep 15, 11:15 AM EDT	FLASH FLOOD	3 Se Beachwood, NJ	FLOODING IN THE HIGH SCHOOL IN BAYVILLE. APPROXIMATELY 3 INCHES OF WATER IN SOME HALLWAYS. BACKBAY AREAS REPORTEDLY WILL BE EVACUATED DUE TO THE AFTERNOON HIGH TIDE. ALSO, SCHOOL WAS STRUCK BY LIGHTNING.
Sep 15, 11:15 AM EDT	FLASH FLOOD	3 Se Beachwood, NJ	FLOODING IN THE HIGH SCHOOL IN BAYVILLE. APPROXIMATELY 3 INCHES OF WATER RUNNING DOWN THE HALLWAYS. BACKBAY AREAS REPORTEDLY WILL BE EVACUATED DUE TO THE AFTERNOON HIGH TIDE.

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, 0.5 hours before the alert went out and 162 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: 36 J/kg
Mixed-layer CIN: -103 J/kg
Mixed-layer LCL: 519 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 13 m²/s²
0-3 km storm-relative helicity: 79 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 151232
FFWPHI
NJC029-151530-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
829 AM EDT FRI SEP 15 2006

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS UPGRADED
THE URBAN AND SMALL STREAM FLOOD ADVISORY TO A 

* FLASH FLOOD WARNING FOR...
  OCEAN COUNTY IN SOUTHERN NEW JERSEY

* UNTIL 1130 AM EDT

* AT 826 AM EDT...DOPPLER RADAR INDICATED MULTIPLE THUNDERSTORMS
  PRODUCING RAINFALL AMOUNTS OF AROUND TWO INCHES PER HOUR OVER
  BERKELEY AND LACEY TOWNSHIPS. IN ADDITION OTHER THUNDERSTORMS 
  OVER SOUTHEASTERN BURLINGTON COUNTY ARE MOVING NORTH INTO
  THE COUNTY.
 
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

FLOODING 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.

LAT...LON 3950 7427 3983 7407 4005 7399 4011 7428
      4007 7451

$$

TFG

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 15, 9:54 AM EDT	Flash Flood Warning	PHI	Ocean	4 hr

Nearby

Flash Flood Warnings in New Jersey, 2006 Every flash flood warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.