Alert archive / New Jersey / Flash Flood Warnings in 2024
Flash Flood Warning 7, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Jun 22, 2024, 7:48 PM EDT for Hunterdon 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 22, 2024, 7:48 PM EDT (23:48 UTC)
- Expired
- Jun 23, 2024, 12:00 AM EDT
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
County Hunterdon County, NJ
The radar
The Philadelphia radar (KDIX), 81 km from the middle of the area, began a volume at 23:51 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 |
|---|---|---|---|
| Jun 22, 8:15 PM EDT | FLASH FLOOD | 2 W Stanton, NJ | Cars trapped in flood waters in Readington Township. Time estimated from radar. |
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, 11.8 hours before the alert went out and 174 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
- 264 J/kg
- Mixed-layer CIN
- -142 J/kg
- Mixed-layer LCL
- 1033 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 97 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
952
WGUS51 KPHI 222348
FFWPHI
NJC019-230400-
/O.NEW.KPHI.FF.W.0007.240622T2348Z-240623T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
748 PM EDT Sat Jun 22 2024
The National Weather Service in Mount Holly has issued a
* Flash Flood Warning for...
East Central Hunterdon County in northwestern New Jersey...
* Until midnight EDT tonight.
* At 748 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 2.5 inches of
rain have fallen. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets, and underpasses as well as other
drainage and low lying areas.
* Some locations that may experience flash flooding include...
White House Station.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
&&
LAT...LON 4055 7498 4062 7497 4062 7477 4055 7476
FLASH FLOOD...RADAR INDICATED
$$
Kruzdlo2 follow-up statements
811
WGUS71 KPHI 230146
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
946 PM EDT Sat Jun 22 2024
NJC019-230400-
/O.CON.KPHI.FF.W.0007.000000T0000Z-240623T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Hunterdon NJ-
946 PM EDT Sat Jun 22 2024
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
FOR EAST CENTRAL HUNTERDON COUNTY...
At 946 PM EDT, Doppler radar and automated rain gauges indicated 3
and 4 inches of rain have fallen across portions of the warned area.
Flash flooding is ongoing.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets, and underpasses as well as other
drainage and low lying areas.
Some locations that may experience flash flooding include...
White House Station.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 4055 7498 4062 7497 4062 7477 4055 7476
FLASH FLOOD...RADAR AND GAUGE INDICATED
$$
Kruzdlo673 WGUS71 KPHI 230350 FFSPHI Flash Flood Statement National Weather Service Mount Holly NJ 1150 PM EDT Sat Jun 22 2024 NJC019-230400- /O.EXP.KPHI.FF.W.0007.000000T0000Z-240623T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Hunterdon NJ- 1150 PM EDT Sat Jun 22 2024 ...FLASH FLOOD WARNING WILL EXPIRE AT MIDNIGHT EDT TONIGHT FOR EAST CENTRAL HUNTERDON COUNTY... Flood waters have receded. The heavy rain has ended. Flooding is no longer expected to pose a threat. Please continue to heed remaining road closures. && LAT...LON 4055 7498 4062 7497 4062 7477 4055 7476 $$ Hoeflich
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 2:38 AM EDT | Small Craft Advisory | PHI | 71 hr | |
| Jun 22, 3:47 AM EDT | Excessive Heat Warning | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 4 more | 40 hr |
| Jun 22, 12:26 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 34 min |
| Jun 22, 3:06 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Somerset | 20 min |
| Jun 22, 4:10 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth | 35 min |
| Jun 22, 4:15 PM EDT | Special Marine Warning | PHI | 45 min | |
| Jun 22, 4:39 PM EDT | Special Marine Warning | PHI | 17 min | |
| Jun 22, 4:39 PM EDT | Rip Current Statement | PHI | Atlantic, Cape May, Ocean | 11 hr |
| Jun 22, 4:39 PM EDT | Rip Current Statement | PHI | Atlantic, Cape May, Monmouth, Ocean | 11 hr |
| Jun 22, 6:39 PM EDT | Severe Thunderstorm Warning | PHI | Morris | 36 min |
| Jun 22, 7:07 PM EDT | Severe Thunderstorm Warning | PHI | Morris | 23 min |
| Jun 22, 7:32 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Morris, Somerset | 22 min |
| Jun 22, 7:57 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon | 17 min |
Nearby
Flash Flood Warnings in New Jersey, 2024Every flash flood warning in 2024
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.