Alert archive / New Jersey / Flash Flood Warnings in 2015

Flash Flood Warning 19, NWS Philadelphia/Mount Holly

June 27, 2015Atlantic County, Cumberland County, Gloucester County, New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Jun 27, 2015, 7:35 PM EDT for Atlantic County, Cumberland County, Gloucester County, New Jersey. It was in force for 4 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
Jun 27, 2015, 7:35 PM EDT (23:35 UTC)
Expired
Jun 27, 2015, 11:30 PM EDT
In force
4 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Flood severity
None

Counties Atlantic County, NJ, Cumberland County, NJ, Gloucester County, NJ

The radar

The Philadelphia radar (KDIX), 62 km from the middle of the area, began a volume at 23:35 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

TimeReportWhereRemark
Jun 27, 8:05 PM EDTFLASH FLOODBuena, NJROUTE 40 IN BUENA FLOODED AND BLOCKED OFF.

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 12:00Z, 11.6 hours before the alert went out and 184 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, Wallops Is Stn, VA at 12:00Z on 2015-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 16 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Wallops Is Stn, VA at 12:00Z on 2015-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 103 square meters per square second.193958Sfc1 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
16 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
629 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
103 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.

196 
WGUS51 KPHI 272335
FFWPHI
NJC001-011-015-280330-
/O.NEW.KPHI.FF.W.0019.150627T2335Z-150628T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
735 PM EDT SAT JUN 27 2015

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WEST CENTRAL ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...
  SOUTHEASTERN GLOUCESTER COUNTY IN SOUTHERN NEW JERSEY...
  NORTHEASTERN CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 1130 PM EDT

* AT 733 PM EDT...DOPPLER RADAR INDICATED HEAVY RAIN ACROSS THE 
  WARNED AREA. BETWEEN TWO AND THREE INCHES OF RAIN HAVE ALREADY 
  FALLEN. MORE RAIN IS EXPECTED THIS EVENING.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  VINELAND...BUENA...NEWFIELD...MIZPAH...FOLSOM AND COLLINGS LAKES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT 
IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING.

&&

LAT...LON 3956 7478 3943 7487 3951 7507 3963 7499

$$

KRUZDLO
1 follow-up statement
276 
WGUS71 KPHI 280324
FFSPHI

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1124 PM EDT SAT JUN 27 2015

NJC001-011-015-280333-
/O.EXP.KPHI.FF.W.0019.000000T0000Z-150628T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ATLANTIC NJ-GLOUCESTER NJ-CUMBERLAND NJ-
1124 PM EDT SAT JUN 27 2015

...THE FLASH FLOOD WARNING FOR WEST CENTRAL ATLANTIC...SOUTHEASTERN
GLOUCESTER AND NORTHEASTERN CUMBERLAND COUNTIES WILL EXPIRE AT 1130
PM EDT...

THE FLASH FLOOD WARNING WILL EXPIRE AT 1130 PM. WHILE THE HEAVIEST 
RAINS HAVE COME TO AN END, SHOWERS WILL PERSIST INTO THE EARLY 
MORNING HOURS.

LAT...LON 3956 7478 3943 7487 3951 7507 3963 7499

$$

KRUZDLO

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 5:30 AM EDTRip Current StatementPHIAtlantic, Cape May, Monmouth, Ocean17 hr
Jun 27, 4:45 PM EDTSpecial Marine WarningPHI45 min
Jun 27, 5:29 PM EDTSpecial Marine WarningPHI61 min
Jun 27, 5:30 PM EDTCoastal Flood AdvisoryPHIBurlington, Camden, Gloucester, Salem7 hr
Jun 27, 6:03 PM EDTSpecial Marine WarningPHI57 min
Jun 27, 6:16 PM EDTAreal Flood AdvisoryPHIAtlantic, Cape May, Cumberland4 hr
Jun 27, 7:01 PM EDTSpecial Weather StatementPHICumberland29 min
Jun 27, 7:08 PM EDTAreal Flood AdvisoryPHICamden, Cumberland, Gloucester, Salem4 hr
Jun 27, 7:14 PM EDTFlash Flood WarningPHIAtlantic, Cumberland4 hr
Jun 27, 7:20 PM EDTSpecial Marine WarningPHI55 min
Jun 27, 7:25 PM EDTSpecial Marine WarningPHI95 min
Jun 27, 7:55 PM EDTFlash Flood WarningPHIAtlantic, Camden, Gloucester4 hr
Jun 27, 7:56 PM EDTSpecial Weather StatementPHIAtlantic, Burlington, Camden, Ocean34 min
Jun 27, 7:59 PM EDTSpecial Marine WarningPHI91 min

Nearby

Flash Flood Warnings in New Jersey, 2015Every flash flood warning in 2015

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.