Alert archive / New Jersey / Flash Flood Warnings in 2015

Flash Flood Warning 23, NWS Philadelphia/Mount Holly

June 27, 2015Monmouth County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Jun 27, 2015, 9:18 PM EDT for Monmouth County, Ocean County, New Jersey. It was in force for 4 hr. 5 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
Jun 27, 2015, 9:18 PM EDT (01:18 UTC)
Expired
Jun 28, 2015, 1:15 AM EDT
In force
4 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Flood severity
None

Counties Monmouth County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 44 km from the middle of the area, began a volume at 01:20 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, 10:17 PM EDTHEAVY RAIN 4.13Toms River, NJMOST OCCURRED SINCE 600 PM.
Jun 27, 10:40 PM EDTHEAVY RAIN 2.45Lakewood, NJ
Jun 27, 10:40 PM EDTHEAVY RAIN 3.25Brick Twp, NJ
Jun 27, 11:35 PM EDTHEAVY RAIN 2.7Lakewood, NJ
Jun 28, 12:30 AM EDTHEAVY RAIN 4.26Toms River, NJMOST OCCURRED SINCE 600 PM.

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 00:00Z, 1.3 hours before the alert went out and 123 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, Brookhaven, NY at 00:00Z on 2015-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Brookhaven, NY at 00:00Z on 2015-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 122 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1087 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
122 m²/s²
0-3 km storm-relative helicity
698 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.

935 
WGUS51 KPHI 280118
FFWPHI
NJC025-029-280515-
/O.NEW.KPHI.FF.W.0023.150628T0118Z-150628T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

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

* UNTIL 115 AM EDT

* AT 915 PM EDT...DOPPLER RADAR INDICATED HEAVY RAIN ACROSS PORTIONS 
  OF THE WARNED AREA. BETWEEN ONE AND TWO INCHES OF RAIN HAVE 
  ALREADY FALLEN. MORE RAIN IS EXPECTED THROUGH MIDNIGHT. THIS 
  AMOUNT OF RAIN IN A SHORT PERIOD OF TIME WILL LEAD TO FLASH 
  FLOODING.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  TOMS RIVER...LONG BRANCH...ASBURY PARK...SANDY HOOK...LAKEWOOD...
  MIDDLETOWN...JACKSON...HOWELL...MARLBORO...TINTON FALLS...
  HOLMDEL...RED BANK...KEANSBURG...MATAWAN...MANASQUAN...POINT
  PLEASANT BEACH...LAKEHURST...FARMINGDALE...MANTOLOKING AND PLEASANT
  PLAINS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. 

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

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 4033 7397 4007 7404 4006 7412 4005 7405
      4001 7408 3996 7408 3995 7412 3992 7412
      4003 7445 4045 7423 4045 7413 4041 7403
      4044 7399 4048 7402 4048 7401 4044 7398
      4038 7401 4038 7397

$$

KRUZDLO
1 follow-up statement
474 
WGUS71 KPHI 280409
FFSPHI

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1209 AM EDT SUN JUN 28 2015

NJC025-029-280418-
/O.CAN.KPHI.FF.W.0023.000000T0000Z-150628T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONMOUTH NJ-OCEAN NJ-
1209 AM EDT SUN JUN 28 2015

...THE FLASH FLOOD WARNING FOR MONMOUTH AND NORTHERN OCEAN COUNTIES
IS CANCELLED...

THE HEAVY RAIN HAS ENDED...AND FLASH FLOODING IS NO LONGER EXPECTED 
TO POSE A THREAT.

A FLOOD ADVISORY REMAINS IN EFFECT THROUGH 215 AM FOR MINOR NUISANCE 
FLOODING.

LAT...LON 4033 7397 4007 7404 4006 7412 4005 7405
      4001 7408 3996 7408 3995 7412 3992 7412
      4003 7445 4045 7423 4045 7413 4041 7403
      4044 7399 4048 7402 4048 7401 4044 7398
      4038 7401 4038 7397

$$

KRUZDLO

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 8:11 PM EDTSpecial Marine WarningPHI94 min
Jun 27, 8:14 PM EDTAreal Flood AdvisoryPHIBurlington, Monmouth, Ocean6 hr
Jun 27, 8:28 PM EDTFlash Flood WarningPHIAtlantic, Burlington, Ocean6 hr
Jun 27, 8:57 PM EDTSpecial Weather StatementPHIOcean33 min
Jun 27, 9:28 PM EDTGale WarningPHI6 hr
Jun 27, 9:50 PM EDTSpecial Weather StatementPHIOcean25 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.