Alert archive / New Jersey / Flash Flood Warnings in 2021
Flash Flood Warning 18, NWS New York, NY
NWS New York, NY issued this flash flood warning at Jul 17, 2021, 2:20 PM EDT for 4 counties in New Jersey. It was in force for 3 hr. 12 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
- Jul 17, 2021, 2:20 PM EDT (18:20 UTC)
- Expired
- Jul 17, 2021, 5:04 PM EDT
- In force
- 3 hr
- Issued by
- NWS New York, NY
- Area
- Storm-based polygon
- Flood severity
- None
Counties Bergen County, NJ, Essex County, NJ, Hudson County, NJ, Union County, NJ
The radar
The Philadelphia radar (KDIX), 91 km from the middle of the area, began a volume at 18:21 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 17, 3:05 PM EDT | FLASH FLOOD | Harrison, NJ | ROAD FLOODED ON FRANK E ROGERS BLVD NEAR PETE HIGGINS BLVD. |
| Jul 17, 3:10 PM EDT | FLASH FLOOD | 2 Se Newark, NJ | FLOODING ON NJ TURNPIKE SOUTHBOUND ENTRANCE RAMP FROM HUDSON COUNTY EXTENSION I-78 IN NEWARK. ALL LANES BLOCKED. |
| Jul 17, 3:41 PM EDT | FLASH FLOOD | 1 Ssw Kearny, NJ | FLOODING ON US 1&9 TRUCK ROUTE NORTHBOUND NJ TURNPIKE IN NEWARK. ALL LANES CLOSED. |
| Jul 17, 3:47 PM EDT | FLASH FLOOD | Union, NJ | FLOODING ON US 22 EASTBOUND GARDEN STATE PARKWAY IN UNION TWP. ALL LANES CLOSED. |
| Jul 17, 3:50 PM EDT | FLASH FLOOD | 2 N Elizabeth, NJ | A VAN WAS STUCK IN FLOODWATERS UNDER AN AMTRAK BRIDGE ON MCCLELLAN STREET. WATER WAS JUST BELOW THE ROOFTOP OF THE VAN. |
| Jul 17, 3:50 PM EDT | FLASH FLOOD | 2 Sw Newark, NJ | A NJ TRANSIT BUS WAS STUCK IN FLOODWATERS UNDER AN OVERPASS ON MEEKER AVENUE BETWEEN ELIZABETH AND FRELINGHUYSEN AVENUES. ALL TWENTY-TWO ON BOARD THE BUS WERE RESCUED BY FIREFIGHTERS ON A BOAT AFTER CLIMBING THROUGH THE HATCH ON THE ROOF OF THE BUS. |
| Jul 17, 3:59 PM EDT | FLASH FLOOD | Hillside, NJ | FLOODING ON US 22 EASTBOUND AND WESTBOUND EAST OF CR 509/LIBERTY AVE IN HILLSIDE TWP. ALL LANES CLOSED. |
| Jul 17, 4:02 PM EDT | FLASH FLOOD | Newark, NJ | FLOODING ON NJ 21 SOUTHBOUND AND NORTHBOUND EMMET ST IN NEWARK. ALL LANES CLOSED. |
| Jul 17, 4:30 PM EDT | FLASH FLOOD | 1 E Newark, NJ | MULTIPLE MOTORISTS STRANDED IN SIGNIFICANT FLASH FLOODING IN THE IRONBOUND SECTION AND SOUTH AND EAST WARDS. PUBLIC SAFETY WAS RESPONDING TO MULTIPLE CALLS TO ASSIST PEOPLE TRAPPED INSIDE THEIR VEHICLES. |
| Jul 17, 4:38 PM EDT | FLASH FLOOD | 1 Ene Newark Airport, NJ | PORT AUTHORITY REPORTS OFFICERS RESCUED MULTIPLE PEOPLE TRAPPED IN VEHICLES IN FLASH FLOODING IN PORT NEWARK AND NEAR THE NEWARK INTERNATIONAL AIRPORT. |
| Jul 17, 4:38 PM EDT | FLASH FLOOD | 1 Ne Newark Airport, NJ | FLOODING ON PORT NEWARK - CORBIN STREET NORTHBOUND BETWEEN TYLER STREET IN NEWARK. ALL LANES CLOSED. |
| Jul 17, 4:38 PM EDT | FLASH FLOOD | 1 S Harrison, NJ | CORRECTS PREVIOUS FLASH FLOOD REPORT FROM 1 S HARRISON. SIGNIFICANT FLOODING IN THE IRONBOUND SECTION OF NEWARK. WATER ABOVE CAR TIRES AND WAIST DEEP IN MANY SPOTS NEAR FERRY STREET AND WILSON AVENUE. |
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, 6.3 hours before the alert went out and 109 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
- 1203 J/kg
- Mixed-layer CIN
- -55 J/kg
- Mixed-layer LCL
- 1054 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 46 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.0
The text
As transmitted.
579
WGUS51 KOKX 171820
FFWOKX
NJC003-013-017-039-172015-
/O.NEW.KOKX.FF.W.0018.210717T1820Z-210717T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service New York NY
220 PM EDT Sat Jul 17 2021
The National Weather Service in Upton has issued a
* Flash Flood Warning for...
Southeastern Bergen County in northeastern New Jersey...
Southeastern Essex County in northeastern New Jersey...
Hudson County in northeastern New Jersey...
Northeastern Union County in northeastern New Jersey...
* Until 415 PM EDT.
* At 220 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 1.5 inches of
rain have fallen. Additional rainfall amounts of 1 to 2 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Newark, Jersey City, Elizabeth, Bayonne, Hoboken, Lyndhurst,
Rutherford, Secaucus, Harrison, Ridgefield, Union City, Kearny,
Teterboro, North Bergen, Irvington, West New York, Belleville,
Cliffside Park, Hillside and Palisades Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
Excessive runoff from heavy rainfall will cause flooding of urban
areas, highways, streets and underpasses as well as other drainage
areas and low lying spots.
Stay away or be swept away. River banks and culverts can become
unstable and unsafe.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
&&
LAT...LON 4067 7429 4083 7414 4082 7412 4087 7408
4084 7396 4065 7408 4065 7419 4063 7420
FLASH FLOOD...RADAR INDICATED
$$
DS3 follow-up statements
860
WGUS71 KOKX 171915
FFSOKX
Flash Flood Statement
National Weather Service New York NY
315 PM EDT Sat Jul 17 2021
NJC003-013-017-039-172015-
/O.CON.KOKX.FF.W.0018.000000T0000Z-210717T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bergen NJ-Essex NJ-Hudson NJ-Union NJ-
315 PM EDT Sat Jul 17 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 415 PM EDT THIS
AFTERNOON FOR SOUTHEASTERN BERGEN, SOUTHEASTERN ESSEX, HUDSON AND
NORTHEASTERN UNION COUNTIES...
At 315 PM EDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 2.5 and 3.5 inches of rain have
fallen. Additional rainfall amounts of 1 to 2 inches are possible in
the warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Newark, Jersey City, Elizabeth, Bayonne, Hoboken, Lyndhurst,
Rutherford, Secaucus, Harrison, Ridgefield, Union City, Kearny,
Teterboro, North Bergen, Irvington, West New York, Belleville,
Cliffside Park, Hillside and Palisades Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
Excessive runoff from heavy rainfall will cause flooding of urban
areas, highways, streets and underpasses as well as other drainage
areas and low lying spots.
Stay away or be swept away. River banks and culverts can become
unstable and unsafe.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
&&
LAT...LON 4067 7429 4083 7414 4082 7412 4087 7408
4084 7396 4065 7408 4065 7419 4063 7420
FLASH FLOOD...RADAR INDICATED
$$
DS252
WGUS51 KOKX 172012
FFWOKX
NJC003-013-017-039-172115-
/O.EXT.KOKX.FF.W.0018.000000T0000Z-210717T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service New York NY
412 PM EDT Sat Jul 17 2021
The National Weather Service in Upton has extended the
* Flash Flood Warning for...
Southeastern Bergen County in northeastern New Jersey...
Southeastern Essex County in northeastern New Jersey...
Hudson County in northeastern New Jersey...
Northeastern Union County in northeastern New Jersey...
* Until 515 PM EDT.
* At 412 PM EDT, Doppler radar indicated thunderstorms that have
produced heavy rain across the warned area. Between 3 and 5 inches
of rain have fallen. Flash flooding is already occurring and
expected to continue.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Newark, Jersey City, Elizabeth, Bayonne, Hoboken, Lyndhurst,
Rutherford, Secaucus, Harrison, Ridgefield, Union City, Kearny,
Teterboro, North Bergen, Irvington, West New York, Belleville,
Cliffside Park, Hillside and Palisades Park.
Flash flooding has been reported in Newark, Hillside and Union.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
Excessive runoff from heavy rainfall will cause flooding of urban
areas, highways, streets and underpasses as well as other drainage
areas and low lying spots.
Stay away or be swept away. River banks and culverts can become
unstable and unsafe.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
&&
LAT...LON 4067 7429 4083 7414 4082 7412 4087 7408
4084 7396 4065 7408 4065 7419 4063 7420
FLASH FLOOD...RADAR INDICATED
$$
DBR712
WGUS71 KOKX 172104
FFSOKX
Flash Flood Statement
National Weather Service New York NY
504 PM EDT Sat Jul 17 2021
NJC003-013-017-039-172114-
/O.CAN.KOKX.FF.W.0018.000000T0000Z-210717T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bergen NJ-Essex NJ-Hudson NJ-Union NJ-
504 PM EDT Sat Jul 17 2021
...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHEASTERN BERGEN,
SOUTHEASTERN ESSEX, HUDSON AND NORTHEASTERN UNION COUNTIES...
Flood waters have receded. The heavy rain has ended. Flooding is no
longer expected to pose a threat. Please continue to heed remaining
road closures.
A Flash Flood Watch remains in effect until 600 AM EDT Sunday for
portions of southern Connecticut, northeast New Jersey and southeast
New York.
LAT...LON 4067 7429 4083 7414 4082 7412 4087 7408
4084 7396 4065 7408 4065 7419 4063 7420
$$
DBRThe office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 1:13 PM EDT | Special Weather Statement | OKX | Hudson | 32 min |
| Jul 17, 1:55 PM EDT | Special Weather Statement | OKX | Hudson | 50 min |
| Jul 17, 2:01 PM EDT | Severe Thunderstorm Warning | OKX | Bergen, Essex, Hudson, Union | 44 min |
| Jul 17, 2:10 PM EDT | Areal Flood Advisory | OKX | Bergen, Essex, Hudson, Union | 95 min |
| Jul 17, 2:42 PM EDT | Severe Thunderstorm Warning | OKX | Bergen, Essex, Hudson, Union | 33 min |
| Jul 17, 2:49 PM EDT | Special Weather Statement | OKX | Union | 41 min |
| Jul 17, 2:50 PM EDT | Special Weather Statement | OKX | Bergen, Passaic | 55 min |
| Jul 17, 3:00 PM EDT | Areal Flood Advisory | OKX | Bergen, Essex, Passaic, Union | 113 min |
| Jul 17, 3:18 PM EDT | Severe Thunderstorm Warning | OKX | Essex, Hudson, Union | 42 min |
| Jul 17, 3:24 PM EDT | Flash Flood Warning | OKX | Union | 80 min |
| Jul 17, 6:40 PM EDT | Special Weather Statement | OKX | Union | 50 min |
| Jul 17, 6:41 PM EDT | Areal Flood Advisory | OKX | Essex, Union | 94 min |
| Jul 17, 7:23 PM EDT | Areal Flood Advisory | OKX | Bergen, Passaic | 112 min |
Nearby
Flash Flood Warnings in New Jersey, 2021Every flash flood warning in 2021
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.