Alert archive / New Jersey / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 274, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 22, 2019, 6:27 PM EDT for 5 counties in New Jersey. It was in force for 34 min. 6 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 22, 2019, 6:27 PM EDT (22:27 UTC)
- Expired
- Jul 22, 2019, 7:01 PM EDT
- In force
- 34 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 70.0 mph
Counties Hunterdon County, NJ, Middlesex County, NJ, Monmouth County, NJ, Morris County, NJ, Somerset County, NJ
The radar
The Philadelphia radar (KDIX), 70 km from the middle of the area, began a volume at 22:31 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 22, 6:27 PM EDT | TSTM WND DMG | 2 Ne Highland Park, NJ | TREES AND WIRES DOWN ON PROSPECT AVENUE. TIME ESTIMATED FROM RADAR. |
| Jul 22, 6:30 PM EDT | TSTM WND DMG | Bound Brook, NJ | TREES AND WIRES DOWN. TIME ESTIMATED FROM RADAR. |
| Jul 22, 6:30 PM EDT | TSTM WND DMG | Sayreville, NJ | CORRECTS PREVIOUS FLASH FLOOD REPORT FROM SAYREVILLE. TREES DOWN. TIME ESTIMATED FROM RADAR. |
| Jul 22, 6:31 PM EDT | TSTM WND DMG | 1 Wnw Laurence Harbor, NJ | DOWNED POWER POLES AND WIRES ON STATE HIGHWAY 35 NEAR MORGAN DRAWBRIDGE. TIME ESTIMATED FROM RADAR. |
| Jul 22, 6:35 PM EDT | TSTM WND DMG | Middlesex, NJ | TREES AND WIRES DOWN. TIME ESTIMATED FROM RADAR. |
| Jul 22, 6:45 PM EDT | TSTM WND DMG | Metuchen, NJ | SEVERAL DOWNED TREES AND POWER LINES IN THE AREA. TIME ESTIMATED FROM RADAR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 22, 2:17 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 10.5 hours before the alert went out and 140 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1598 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 109 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
917
WUUS51 KPHI 222227
SVRPHI
NJC019-023-025-027-035-222315-
/O.NEW.KPHI.SV.W.0274.190722T2227Z-190722T2315Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
627 PM EDT Mon Jul 22 2019
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Southern Morris County in northern New Jersey...
Hunterdon County in northwestern New Jersey...
Somerset County in northern New Jersey...
Northern Monmouth County in central New Jersey...
Middlesex County in northern New Jersey...
* Until 715 PM EDT.
* At 626 PM EDT, severe thunderstorms were located along a line
extending from Morris Plains to Gardenville, moving east at 30 mph.
HAZARD...70 mph wind gusts and penny size hail.
SOURCE...Law enforcement. Several reports of trees and wires down
have been received from Somerset, Warren, Hunterdon, and
Mercer Counties in association with these storms.
IMPACT...Expect considerable tree damage. Damage is likely to
mobile homes, roofs, and outbuildings.
* Locations impacted include...
New Brunswick, Perth Amboy, Morristown, Somerville, Somerset,
Edison, Old Bridge, East Brunswick, Bridgewater, South Brunswick,
Sayreville, North Brunswick, Carteret, Dover, Madison, Middlesex,
Florham Park, East Hanover, Bound Brook and Manville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
In addition to large hail and damaging winds, frequent cloud to
ground lightning is occurring with these storms. Move indoors
immediately. Remember, if you can hear thunder, you are close enough
to be struck by lightning.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4030 7457 4034 7463 4038 7462 4042 7475
4042 7506 4049 7506 4089 7470 4092 7427
4091 7427 4091 7433 4075 7436 4067 7446
4065 7441 4060 7446 4060 7421 4050 7428
4047 7427 4044 7420 4044 7410
TIME...MOT...LOC 2226Z 269DEG 26KT 4085 7449 4037 7509
HAIL...0.75IN
WIND...70MPH
$$
CMS2 follow-up statements
212
WWUS51 KPHI 222243
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
643 PM EDT Mon Jul 22 2019
NJC019-023-025-027-035-222315-
/O.CON.KPHI.SV.W.0274.000000T0000Z-190722T2315Z/
Morris NJ-Hunterdon NJ-Somerset NJ-Monmouth NJ-Middlesex NJ-
643 PM EDT Mon Jul 22 2019
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR SOUTHEASTERN MORRIS...EAST CENTRAL HUNTERDON...SOMERSET...
NORTHERN MONMOUTH AND MIDDLESEX COUNTIES...
At 642 PM EDT, severe thunderstorms were located along a line
extending from near East Hanover to New Hope, moving east at 30 mph.
HAZARD...70 mph wind gusts and penny size hail.
SOURCE...Law enforcement reports several trees and wires down in
Somerset and Middlesex Counties.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations impacted include...
New Brunswick, Perth Amboy, Morristown, Somerville, Somerset, Edison,
Old Bridge, East Brunswick, Bridgewater, Sayreville, North Brunswick,
Carteret, Madison, Middlesex, Florham Park, East Hanover, Bound
Brook, Manville, Chatham and Matawan.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4037 7434 4048 7478 4063 7484 4090 7451
4092 7427 4091 7427 4091 7433 4075 7436
4067 7446 4065 7441 4060 7446 4060 7421
4050 7428 4047 7427 4044 7420 4044 7410
TIME...MOT...LOC 2242Z 269DEG 26KT 4085 7434 4037 7495
HAIL...0.75IN
WIND...70MPH
$$
CMS834
WWUS51 KPHI 222301
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
701 PM EDT Mon Jul 22 2019
NJC019-023-025-027-035-222310-
/O.CAN.KPHI.SV.W.0274.000000T0000Z-190722T2315Z/
Morris NJ-Hunterdon NJ-Somerset NJ-Monmouth NJ-Middlesex NJ-
701 PM EDT Mon Jul 22 2019
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MORRIS...EAST
CENTRAL HUNTERDON...SOMERSET...NORTHERN MONMOUTH AND MIDDLESEX
COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been cancelled. However gusty winds and
heavy rain are still possible with these thunderstorms.
A severe thunderstorm watch remains in effect until 1000 PM EDT for
northern, central and northwestern New Jersey.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.
LAT...LON 4037 7434 4048 7478 4063 7484 4090 7451
4092 7427 4091 7427 4091 7433 4075 7436
4067 7446 4065 7441 4060 7446 4060 7421
4050 7428 4047 7427 4044 7420 4044 7410
TIME...MOT...LOC 2258Z 269DEG 26KT 4085 7418 4037 7479
$$
CMSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 8:25 PM EDT | Special Weather Statement | PHI | Warren | 50 min |
| Jul 21, 8:44 PM EDT | Severe Thunderstorm Warning | PHI | Warren | 46 min |
| Jul 21, 9:05 PM EDT | Special Weather Statement | PHI | Morris | 25 min |
| Jul 21, 9:24 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Somerset, Warren | 51 min |
| Jul 21, 10:12 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Middlesex, Monmouth, Morris, Somerset | 48 min |
| Jul 21, 10:13 PM EDT | Severe Thunderstorm Warning | PHI | Salem | 47 min |
| Jul 21, 10:15 PM EDT | Special Marine Warning | PHI | 60 min | |
| Jul 21, 10:54 PM EDT | Severe Thunderstorm Warning | PHI | Gloucester, Salem | 25 min |
| Jul 21, 10:58 PM EDT | Special Marine Warning | PHI | 62 min | |
| Jul 21, 11:02 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth | 31 min |
| Jul 21, 11:27 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 48 min |
| Jul 21, 11:31 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden | 44 min |
| Jul 21, 11:40 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Warren | 50 min |
| Jul 21, 11:54 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Monmouth, Ocean | 51 min |
| Jul 22, 12:00 AM EDT | Special Marine Warning | PHI | 90 min | |
| Jul 22, 12:16 AM EDT | Special Weather Statement | PHI | Mercer | 29 min |
| Jul 22, 12:34 AM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 41 min |
| Jul 22, 1:50 PM EDT | Special Weather Statement | PHI | Warren | 25 min |
| Jul 22, 2:00 PM EDT | Special Weather Statement | PHI | Sussex | 45 min |
| Jul 22, 2:13 PM EDT | Special Weather Statement | PHI | Warren | 32 min |
| Jul 22, 2:35 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex, Warren | 40 min |
| Jul 22, 2:58 PM EDT | Small Craft Advisory | PHI | 27 hr | |
| Jul 22, 3:02 PM EDT | Areal Flood Advisory | PHI | Morris, Sussex, Warren | 4 hr |
| Jul 22, 3:12 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex | 48 min |
| Jul 22, 3:33 PM EDT | Areal Flood Advisory | PHI | Warren | 7 hr |
| Jul 22, 3:43 PM EDT | Flash Flood Warning | PHI | Sussex | 4 hr |
| Jul 22, 4:11 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Warren | 4 hr |
| Jul 22, 4:16 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Gloucester, Salem | 59 min |
| Jul 22, 4:24 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Sussex, Warren | 51 min |
| Jul 22, 4:40 PM EDT | Areal Flood Advisory | PHI | Camden, Cumberland, Gloucester, Salem | 114 min |
| Jul 22, 4:52 PM EDT | Special Marine Warning | PHI | 53 min | |
| Jul 22, 5:01 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex, Warren | 44 min |
| Jul 22, 5:04 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester | 41 min |
| Jul 22, 5:14 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Salem | 61 min |
| Jul 22, 5:17 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Somerset, Warren | 73 min |
| Jul 22, 5:34 PM EDT | Flash Flood Warning | PHI | Hunterdon, Morris, Sussex, Warren | 4 hr |
| Jul 22, 5:40 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Mercer and 4 more | 80 min |
| Jul 22, 5:43 PM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Camden, Hunterdon, Mercer, Middlesex and 4 more | 3 hr |
| Jul 22, 5:50 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Middlesex, Monmouth, Morris, Somerset and 1 more | 40 min |
| Jul 22, 5:52 PM EDT | Special Marine Warning | PHI | 53 min | |
| Jul 22, 6:09 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Cape May, Cumberland, Ocean | 51 min |
| Jul 22, 6:12 PM EDT | Special Marine Warning | PHI | 93 min | |
| Jul 22, 6:21 PM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Cumberland, Monmouth, Ocean | 4 hr |
| Jul 22, 6:27 PM EDT | Special Marine Warning | PHI | 48 min | |
| Jul 22, 6:35 PM EDT | Flash Flood Warning | PHI | Hunterdon, Middlesex, Morris, Somerset | 4 hr |
| Jul 22, 6:38 PM EDT | Special Marine Warning | PHI | 67 min | |
| Jul 22, 6:54 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Cape May, Cumberland, Monmouth, Ocean | 51 min |
| Jul 22, 7:39 PM EDT | Special Marine Warning | PHI | 96 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2019Every severe thunderstorm warning in 2019
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.