Alert archive / New Jersey / Flash Flood Warnings in 2017
Flash Flood Warning 40, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Aug 2, 2017, 2:10 PM EDT for Morris County, New Jersey. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 2, 2017, 2:10 PM EDT (18:10 UTC)
- Expired
- Aug 2, 2017, 6:15 PM EDT
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
County Morris County, NJ
The radar
The Philadelphia radar (KDIX), 101 km from the middle of the area, began a volume at 18:11 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, 6.2 hours before the alert went out and 124 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.
- Mixed-layer CAPE
- 823 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 1051 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 21 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
616
WGUS51 KPHI 021810
FFWPHI
NJC027-022215-
/O.NEW.KPHI.FF.W.0040.170802T1810Z-170802T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
210 PM EDT WED AUG 2 2017
The National Weather Service in Mount Holly NJ has issued a
* Flash Flood Warning for...
East central Morris County in northern New Jersey...
* Until 615 PM EDT
* At 210 PM EDT...Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to two inches of rain have
already fallen. Flash flooding is expected to begin shortly in the
areas of heaviest rain.
* Some locations that could experience flooding include...
Morristown, Madison, Florham Park, East Hanover, Lincoln Park,
Chatham, Boonton, Morris Plains, Mountain Lakes, Parsippany and
Hanover Township.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4091 7433 4088 7434 4086 7432 4082 7434
4079 7437 4076 7438 4075 7436 4073 7438
4083 7453 4096 7429 4095 7428 4092 7429
4090 7427
$$
Kruzdlo1 follow-up statement
449
WGUS71 KPHI 022053
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
453 PM EDT WED AUG 2 2017
NJC027-022100-
/O.CAN.KPHI.FF.W.0040.000000T0000Z-170802T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Morris NJ-
453 PM EDT WED AUG 2 2017
...THE FLASH FLOOD WARNING FOR EAST CENTRAL MORRIS COUNTY IS
CANCELLED...
The heaviest rain has ended. Flash flooding is no longer expected to
pose a threat. But a flood advisory remains in effect across the
county for minor low lying and poor drainage flooding. Please
continue to heed any remaining road closures.
LAT...LON 4091 7433 4088 7434 4086 7432 4082 7434
4079 7437 4076 7438 4075 7436 4073 7438
4083 7453 4096 7429 4095 7428 4092 7429
4090 7427
$$
KruzdloThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 12:28 PM EDT | Areal Flood Advisory | PHI | Mercer | 4 hr |
| Aug 2, 12:31 PM EDT | Special Weather Statement | PHI | Morris | 29 min |
| Aug 2, 12:37 PM EDT | Special Weather Statement | PHI | Mercer | 38 min |
| Aug 2, 12:43 PM EDT | Areal Flood Advisory | PHI | Middlesex | 4 hr |
| Aug 2, 1:00 PM EDT | Special Weather Statement | PHI | Morris | 30 min |
| Aug 2, 1:02 PM EDT | Areal Flood Advisory | PHI | Morris | 5 hr |
| Aug 2, 1:32 PM EDT | Special Weather Statement | PHI | Morris | 28 min |
| Aug 2, 2:01 PM EDT | Areal Flood Advisory | PHI | Hunterdon | 4 hr |
| Aug 2, 2:04 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon | 41 min |
| Aug 2, 2:09 PM EDT | Special Weather Statement | PHI | Camden | 51 min |
| Aug 2, 2:18 PM EDT | Special Weather Statement | PHI | Warren | 42 min |
| Aug 2, 2:26 PM EDT | Special Weather Statement | PHI | Burlington | 49 min |
| Aug 2, 2:35 PM EDT | Special Weather Statement | PHI | Burlington | 40 min |
| Aug 2, 2:42 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Morris, Somerset | 4 hr |
| Aug 2, 2:45 PM EDT | Areal Flood Advisory | PHI | Warren | 4 hr |
| Aug 2, 2:46 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 44 min |
| Aug 2, 2:48 PM EDT | Severe Thunderstorm Warning | PHI | Warren | 27 min |
| Aug 2, 2:55 PM EDT | Areal Flood Advisory | PHI | Burlington, Monmouth, Ocean | 5 hr |
| Aug 2, 3:04 PM EDT | Severe Thunderstorm Warning | PHI | Warren | 41 min |
| Aug 2, 3:06 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Morris, Sussex, Warren | 4 hr |
| Aug 2, 3:16 PM EDT | Special Weather Statement | PHI | Burlington | 29 min |
| Aug 2, 3:20 PM EDT | Areal Flood Advisory | PHI | Burlington, Ocean | 4 hr |
| Aug 2, 3:32 PM EDT | Special Weather Statement | PHI | Warren | 43 min |
| Aug 2, 3:33 PM EDT | Special Weather Statement | PHI | Monmouth | 42 min |
| Aug 2, 3:36 PM EDT | Special Weather Statement | PHI | Union | 39 min |
| Aug 2, 3:39 PM EDT | Special Weather Statement | PHI | Middlesex | 51 min |
| Aug 2, 3:50 PM EDT | Special Weather Statement | PHI | Sussex | 25 min |
| Aug 2, 3:58 PM EDT | Areal Flood Advisory | PHI | Burlington, Mercer, Middlesex, Monmouth, Morris, Somerset | 4 hr |
| Aug 2, 4:06 PM EDT | Special Weather Statement | PHI | Gloucester, Salem | 39 min |
| Aug 2, 4:09 PM EDT | Areal Flood Advisory | PHI | Sussex, Warren | 4 hr |
| Aug 2, 4:15 PM EDT | Special Marine Warning | PHI | 60 min | |
| Aug 2, 4:27 PM EDT | Areal Flood Advisory | PHI | Camden, Gloucester, Salem | 4 hr |
| Aug 2, 4:29 PM EDT | Special Weather Statement | PHI | Cumberland | 46 min |
| Aug 2, 4:39 PM EDT | Special Weather Statement | PHI | Somerset | 36 min |
| Aug 2, 4:48 PM EDT | Special Weather Statement | PHI | Camden | 42 min |
| Aug 2, 5:11 PM EDT | Special Weather Statement | PHI | Cumberland | 34 min |
| Aug 2, 5:15 PM EDT | Special Marine Warning | PHI | 60 min | |
| Aug 2, 5:21 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Camden, Cumberland, Gloucester | 39 min |
| Aug 2, 5:23 PM EDT | Special Weather Statement | PHI | Gloucester | 37 min |
| Aug 2, 5:28 PM EDT | Areal Flood Advisory | PHI | Atlantic, Camden, Cumberland, Gloucester, Salem | 4 hr |
| Aug 2, 5:46 PM EDT | Areal Flood Advisory | PHI | Morris | 59 min |
| Aug 2, 6:02 PM EDT | Special Marine Warning | PHI | 58 min | |
| Aug 2, 6:11 PM EDT | Special Marine Warning | PHI | 64 min | |
| Aug 2, 6:52 PM EDT | Special Marine Warning | PHI | 53 min | |
| Aug 2, 6:52 PM EDT | Special Weather Statement | PHI | Cape May | 38 min |
Nearby
Flash Flood Warnings in New Jersey, 2017Every flash flood warning in 2017
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.