Alert archive / New Jersey / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 291, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 31, 2019, 3:39 PM EDT for Monmouth County, Ocean County, New Jersey. It was in force for 51 min. 2 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 31, 2019, 3:39 PM EDT (19:39 UTC)
- Expired
- Jul 31, 2019, 4:30 PM EDT
- In force
- 51 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Monmouth County, NJ, Ocean County, NJ
The radar
The Philadelphia radar (KDIX), 25 km from the middle of the area, began a volume at 19:40 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 31, 3:40 PM EDT | TSTM WND DMG | 1 Sw Toms River, NJ | TREES DOWN ALONG DOVER ROAD. DELAYED REPORT. |
| Jul 31, 3:45 PM EDT | TSTM WND DMG | Beachwood, NJ | TREES DOWN IN BEACHWOOD. 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 31, 1:17 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 7.7 hours before the alert went out and 145 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
- 885 J/kg
- Mixed-layer CIN
- -80 J/kg
- Mixed-layer LCL
- 1207 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 33 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.8
The text
As transmitted.
662
WUUS51 KPHI 311939
SVRPHI
NJC025-029-312030-
/O.NEW.KPHI.SV.W.0291.190731T1939Z-190731T2030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
339 PM EDT Wed Jul 31 2019
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northeastern Ocean County in southern New Jersey...
Eastern Monmouth County in central New Jersey...
* Until 430 PM EDT.
* At 338 PM EDT, severe thunderstorms were located along a line
extending from Keansburg to Collingwood Park to Brick Township to
Brookville, moving northeast at 15 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Toms River, Long Branch, Asbury Park, Lakewood, Middletown, Howell,
Barnegat, Tinton Falls, Holmdel, Red Bank, Beachwood, Highlands,
Farmingdale, Leisure Village, Allenwood, Leisure Village East,
Ramtown, Navesink, Brick Township and Collingwood Park.
This includes the following highways...
Garden State Parkway between mile markers 61 and 118.
Interstate 195 in New Jersey between mile markers 29 and 34.
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.
Frequent cloud to ground lightning is occurring with this storm, and
the storm will affect the beaches. For your safety, immediately move
off the beach and seek shelter indoors.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4032 7397 4005 7411 4005 7409 3979 7410
4001 7410 3999 7414 3999 7411 3981 7417
3977 7410 3980 7417 3975 7420 3974 7419
3976 7410 3975 7410 3968 7414 3966 7439
4002 7420 4045 7421 4041 7402 4048 7401
TIME...MOT...LOC 1938Z 239DEG 11KT 4046 7416 4023 7411 4006 7413 3976
7430
HAIL...0.75IN
WIND...60MPH
$$
MPS3 follow-up statements
051
WWUS51 KPHI 311955
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
355 PM EDT Wed Jul 31 2019
NJC025-029-312030-
/O.CON.KPHI.SV.W.0291.000000T0000Z-190731T2030Z/
Ocean NJ-Monmouth NJ-
355 PM EDT Wed Jul 31 2019
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR NORTHEASTERN OCEAN AND SOUTHEASTERN MONMOUTH COUNTIES...
At 355 PM EDT, severe thunderstorms were located along a line
extending from Allenwood to Beachwood to near Bass River State
Forest, moving southeast at 20 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Toms River, Lakewood, Barnegat, Beachwood, Leisure Village,
Allenwood, Ramtown, Brick Township, Brookville, Leisure Village East,
Beach Haven West, Holiday City South, Dover Beaches South, South Toms
River, Island Heights, Ocean Acres, Gilford Park, Manahawkin,
Waretown and Silver Ridge.
This includes the following highways...
Garden State Parkway between mile markers 61 and 99.
Interstate 195 in New Jersey between mile markers 32 and 34.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Mount Holly NJ.
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.
Frequent cloud to ground lightning is occurring with this storm, and
the storm will affect the beaches. For your safety, immediately move
off the beach and seek shelter indoors.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4005 7420 4020 7413 4017 7405 4005 7411
4005 7409 3979 7410 4001 7410 3999 7414
3999 7411 3981 7417 3977 7410 3980 7417
3975 7420 3974 7419 3976 7410 3975 7410
3968 7414 3966 7439 4002 7420
TIME...MOT...LOC 1955Z 316DEG 19KT 4015 7411 3991 7419 3969 7441
HAIL...0.75IN
WIND...60MPH
$$
MPS858
WWUS51 KPHI 312013 RRA
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
413 PM EDT Wed Jul 31 2019
NJC025-312023-
/O.CAN.KPHI.SV.W.0291.000000T0000Z-190731T2030Z/
Monmouth NJ-
413 PM EDT Wed Jul 31 2019
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MONMOUTH COUNTY
IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A severe thunderstorm watch remains in effect until 900 PM EDT for
southern New Jersey.
LAT...LON 3972 7412 3972 7418 3970 7418 3971 7413
3970 7414 3969 7414 3966 7439 3967 7439
3975 7434 3988 7415 3980 7417 3978 7411
3977 7412 3979 7417 3975 7420 3975 7413
3973 7415 3976 7410
TIME...MOT...LOC 2013Z 277DEG 11KT 3993 7401 3979 7417 3969 7437
$$
NJC029-312030-
/O.CON.KPHI.SV.W.0291.000000T0000Z-190731T2030Z/
Ocean NJ-
413 PM EDT Wed Jul 31 2019
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR EAST CENTRAL OCEAN COUNTY...
At 413 PM EDT, severe thunderstorms were located along a line
extending from near Seaside Heights to near Barnegat to near Bass
River State Forest, moving east at 15 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Barnegat, Beach Haven West, Manahawkin, Ocean Acres and Waretown.
This includes Garden State Parkway between mile markers 61 and 72.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Mount Holly NJ.
Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Frequent cloud to ground lightning is occurring with this storm, and
the storm will affect the beaches. For your safety, immediately move
off the beach and seek shelter indoors.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3972 7412 3972 7418 3970 7418 3971 7413
3970 7414 3969 7414 3966 7439 3967 7439
3975 7434 3988 7415 3980 7417 3978 7411
3977 7412 3979 7417 3975 7420 3975 7413
3973 7415 3976 7410
TIME...MOT...LOC 2013Z 277DEG 11KT 3993 7401 3979 7417 3969 7437
HAIL...0.75IN
WIND...60MPH
$$
MPS320
WWUS51 KPHI 312020
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
420 PM EDT Wed Jul 31 2019
NJC029-312030-
/O.EXP.KPHI.SV.W.0291.000000T0000Z-190731T2030Z/
Ocean NJ-
420 PM EDT Wed Jul 31 2019
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL OCEAN COUNTY WILL
EXPIRE AT 430 PM EDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However, heavy
rain is still possible with these thunderstorms.
A severe thunderstorm watch remains in effect until 900 PM EDT for
southern 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 3972 7412 3972 7418 3970 7418 3971 7413
3970 7414 3969 7414 3966 7439 3967 7439
3975 7434 3988 7415 3980 7417 3978 7411
3977 7412 3979 7417 3975 7420 3975 7413
3973 7415 3976 7410
TIME...MOT...LOC 2020Z 239DEG 11KT 3994 7399 3980 7415 3970 7435
$$
MPSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 3:28 AM EDT | Flash Flood Watch | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 4 more | 17 hr |
| Jul 31, 1:02 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden | 28 min |
| Jul 31, 1:14 PM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Gloucester | 3 hr |
| Jul 31, 1:19 PM EDT | Flash Flood Warning | PHI | Burlington | 5 hr |
| Jul 31, 1:30 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester, Mercer | 45 min |
| Jul 31, 1:43 PM EDT | Special Marine Warning | PHI | 62 min | |
| Jul 31, 1:46 PM EDT | Flash Flood Warning | PHI | Burlington, Mercer | 3 hr |
| Jul 31, 1:49 PM EDT | Special Marine Warning | PHI | 86 min | |
| Jul 31, 1:57 PM EDT | Special Weather Statement | PHI | Ocean | 33 min |
| Jul 31, 2:11 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Hunterdon, Mercer, Middlesex, Monmouth, Ocean and 1 more | 49 min |
| Jul 31, 2:21 PM EDT | Areal Flood Advisory | PHI | Ocean | 4 hr |
| Jul 31, 2:23 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth | 52 min |
| Jul 31, 2:29 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Monmouth, Ocean | 46 min |
| Jul 31, 2:29 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 46 min |
| Jul 31, 2:32 PM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Gloucester, Mercer, Middlesex, Monmouth and 1 more | 3 hr |
| Jul 31, 2:46 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer | 44 min |
| Jul 31, 2:53 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth | 52 min |
| Jul 31, 3:00 PM EDT | Areal Flood Advisory | PHI | Monmouth, Ocean | 3 hr |
| Jul 31, 3:05 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 40 min |
| Jul 31, 3:06 PM EDT | Special Marine Warning | PHI | 54 min | |
| Jul 31, 3:20 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Middlesex, Morris, Somerset | 40 min |
| Jul 31, 3:24 PM EDT | Flash Flood Warning | PHI | Monmouth | 4 hr |
| Jul 31, 3:24 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Somerset | 51 min |
| Jul 31, 3:39 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Middlesex, Morris, Somerset, Sussex, Warren | 4 hr |
| Jul 31, 3:48 PM EDT | Flash Flood Warning | PHI | Ocean | 2 hr |
| Jul 31, 3:49 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Mercer, Monmouth | 41 min |
| Jul 31, 3:51 PM EDT | Special Marine Warning | PHI | 54 min | |
| Jul 31, 3:58 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Somerset | 17 min |
| Jul 31, 4:36 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Morris, Sussex, Warren | 4 hr |
| Jul 31, 4:52 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex, Warren | 38 min |
| Jul 31, 4:58 PM EDT | Flash Flood Warning | PHI | Sussex, Warren | 4 hr |
| Jul 31, 5:02 PM EDT | Special Weather Statement | PHI | Atlantic | 28 min |
| Jul 31, 5:16 PM EDT | Special Weather Statement | PHI | Atlantic | 44 min |
| Jul 31, 5:27 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Cumberland, Ocean, Salem | 48 min |
| Jul 31, 5:41 PM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 2 more | 3 hr |
| Jul 31, 5:44 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 25 min |
| Jul 31, 5:51 PM EDT | Special Marine Warning | PHI | 54 min | |
| Jul 31, 5:55 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Ocean | 35 min |
| Jul 31, 5:57 PM EDT | Special Marine Warning | PHI | 63 min | |
| Jul 31, 6:05 PM EDT | Special Marine Warning | PHI | 55 min | |
| Jul 31, 6:41 PM EDT | Special Marine Warning | PHI | 64 min | |
| Jul 31, 6:53 PM EDT | Special Marine Warning | PHI | 54 min | |
| Jul 31, 7:36 PM EDT | Special Marine Warning | PHI | 54 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.