Alert archive / New Jersey / Flash Flood Warnings in 2006

Flash Flood Warning 58, NWS Philadelphia/Mount Holly

July 22, 2006Cumberland County, New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Jul 22, 2006, 10:45 PM EDT for Cumberland 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: Jul 22, 2006, 10:45 PM EDT (02:45 UTC)
Expired: Jul 23, 2006, 1:45 AM EDT
In force: 3 hr
Issued by: NWS Philadelphia/Mount Holly
Area: Counties, with a storm outline in the text

County Cumberland County, NJ

The radar

The Dover AFB radar (KDOX), 67 km from the middle of the area, began a volume at 02:47 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
Jul 22, 10:45 PM EDT	FLASH FLOOD	Millville, NJ	NUMEROUS ROADS WERE CLOSED THROUGHOUT THE COUNTY.

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

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 00:00Z, 2.8 hours before the alert went out and 164 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: 2049 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 780 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 153 m²/s²
0-3 km storm-relative helicity: 175 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 7.6

Open this sounding in Storm Lab

The text

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

000 
WGUS51 KPHI 230248
FFWPHI
NJC011-230545-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1045 PM EDT SAT JUL 22 2006

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY
  THIS INCLUDES THE CITY OF VINELAND

* UNTIL 145 AM EDT

* AT 1036 PM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED NUMEROUS
  FLOODED ROADWAYS THROUGHOUT THE COUNTY.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN SHOWERS
AND THUNDERSTORMS UNTIL SHORTLY AFTER MIDNIGHT

EXCESSIVE RUNOFF FROM HEAVY RAINFALL MAY CAUSE ADDITIONAL FLOODING OF
SMALL CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

LAT...LON 3938 7538 3919 7495 3943 7488 3953 7524
      3947 7535

$$

RPW

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 22, 9:02 PM EDT	Special Marine Warning	PHI		88 min
Jul 22, 9:10 PM EDT	Severe Thunderstorm Warning	PHI	Cumberland	65 min
Jul 22, 9:43 PM EDT	Special Marine Warning	PHI		2 hr
Jul 22, 10:43 PM EDT	Special Marine Warning	PHI		62 min
Jul 23, 1:13 AM EDT	Special Marine Warning	PHI		62 min

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.