Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 270, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 22, 2019, 5:17 PM EDT for 4 counties in New Jersey; 5 counties in Pennsylvania. It was in force for 73 min. 16 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, 5:17 PM EDT (21:17 UTC)
- Expired
- Jul 22, 2019, 6:30 PM EDT
- In force
- 73 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 70.0 mph
Counties Hunterdon County, NJ, Morris County, NJ, Somerset County, NJ, Warren County, NJ, Berks County, PA, Bucks County, PA, Lehigh County, PA, Montgomery County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 91 km from the middle of the area, began a volume at 21:20 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, 5:19 PM EDT | TSTM WND DMG | Vera Cruz, PA | DOWNED TREE ON INTERSTATE 476 BETWEEN SOUTH OF THE INTERSTATE 78 INTERCHANGE. TIME ESTIMATED FROM RADAR. |
| Jul 22, 5:22 PM EDT | TSTM WND DMG | 1 S Steuben, PA | DOWNED TREE CLOSED U.S. HIGHWAY 22 BETWEEN ROUTES 512 AND 191. TIME ESTIMATED FROM RADAR. |
| Jul 22, 5:26 PM EDT | TSTM WND DMG | 1 E Earl Twp, PA | DOWNED TREE AT INTERSECTION OF KOCH ROAD AND IRONSTONE DRIVE. TIME ESTIMATED FROM RADAR. |
| Jul 22, 5:28 PM EDT | TSTM WND DMG | 2 Ese Succasunna, NJ | DOWNED TREE AND WIRES ON NJ-10 BOTH DIRECTIONS NEAR OF CANFIELD AVE. TIME ESTIMATED FROM RADAR. |
| Jul 22, 5:30 PM EDT | TSTM WND DMG | 2 N Williams Twp, PA | STATE HIGHWAY 611 CLOSED BETWEEN BROWNS DRIVE AND CEDARVILLE ROAD FROM DOWNED TREES. TIME ESTIMATED FROM RADAR. |
| Jul 22, 5:32 PM EDT | TSTM WND DMG | 1 Ene Phillipsburg, NJ | DOWNED TREE ON THIRD STREET IN PHILLIPSBURG. TIME ESTIMATED FROM RADAR. |
| Jul 22, 5:32 PM EDT | TSTM WND DMG | 1 E Phillipsburg, NJ | DOWNED STREET LIGHT AT INTERSECTION OF MEMORIAL PARKWAY AND BATES STREET. TIME ESTIMATED FROM RADAR. |
| Jul 22, 5:32 PM EDT | TSTM WND DMG | Salisbury Twp, PA | WATER RESCUE FROM A VEHICLE REPORTED. |
| Jul 22, 5:34 PM EDT | TSTM WND DMG | 1 Ne Phillipsburg, NJ | DOWNED TREE AND WIRES ON BARRYMORE STREET. TIME ESTIMATED FROM RADAR. |
| Jul 22, 5:36 PM EDT | TSTM WND DMG | 1 Nw Stewartsville, NJ | DOWNED TREE ACROSS PROSPECT STREET NEAR MAIN STREET. TIME ESTIMATED FROM RADAR. |
| Jul 22, 5:37 PM EDT | TSTM WND DMG | 1 N Richlandtown, PA | MULTIPLE TREES AND WIRES DOWN ALONG WITH ONE OR MORE HOUSES POSSIBLY ON FIRE. TIME ESTIMATED FROM RADAR. |
| Jul 22, 5:44 PM EDT | TSTM WND DMG | 1 E Port Murray, NJ | SEVERAL DOWNED TREES ON ROUTE 57. TIME ESTIMATED FROM RADAR. |
| Jul 22, 5:45 PM EDT | TSTM WND DMG | Randolph, Nj, NJ | COUNTY ROUTE 10 IMPASSABLE DUE TO TREES BETWEEN RANDOLPH AND LEDGEWOOD. |
| Jul 22, 5:51 PM EDT | TSTM WND DMG | 2 Nnw Mansfield Twp, NJ | DOWNED TREE AND WIRES ON MITCHELL ROAD. TIME ESTIMATED FROM RADAR. |
| Jul 22, 6:00 PM EDT | TSTM WND DMG | Long Valley, NJ | TREES AND WIRES DOWN. TIME ESTIMATED FROM RADAR. |
| Jul 22, 6:05 PM EDT | TSTM WND DMG | Tewksbury Twp, NJ | DOWNED POWER LINES IN TEWKSBURY TWP. 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, 9.3 hours before the alert went out and 173 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.
658
WUUS51 KPHI 222117
SVRPHI
NJC019-027-035-041-PAC011-017-077-091-095-222230-
/O.NEW.KPHI.SV.W.0270.190722T2117Z-190722T2230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
517 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...
Southern Warren County in northwestern New Jersey...
Northwestern Somerset County in northern New Jersey...
East central Berks County in eastern Pennsylvania...
Northwestern Montgomery County in southeastern Pennsylvania...
Southeastern Lehigh County in eastern Pennsylvania...
Northwestern Bucks County in southeastern Pennsylvania...
Southeastern Northampton County in eastern Pennsylvania...
* Until 630 PM EDT.
* At 517 PM EDT, several severe thunderstorms were located along a
line extending from Washington to near Bally, moving east at 30
mph.
HAZARD...70 mph wind gusts.
SOURCE...Law enforcement. Numerous reports of wind damage have
been received from Lehigh and Warren Counties with these
storms.
IMPACT...Expect considerable tree damage. Damage is likely to
mobile homes, roofs, and outbuildings.
* Locations impacted include...
Allentown, Easton, Morristown, Bethlehem, Dover, Forks, Emmaus,
Hackettstown, Quakertown, Perkasie, Byram, Wilson, Bedminster,
Washington, Hellertown, Morris Plains, Mendham, Flemington,
Mountain Lakes and Tinicum.
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 4088 7434 4036 7492 4035 7582 4089 7508
TIME...MOT...LOC 2117Z 247DEG 25KT 4076 7499 4043 7565
HAIL...<.75IN
WIND...70MPH
$$
CMS2 follow-up statements
403
WWUS51 KPHI 222155
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
555 PM EDT Mon Jul 22 2019
PAC011-222204-
/O.CAN.KPHI.SV.W.0270.000000T0000Z-190722T2230Z/
Berks PA-
555 PM EDT Mon Jul 22 2019
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL BERKS COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A severe thunderstorm watch remains in effect until 1000 PM EDT for
northern and northwestern New Jersey...and eastern and southeastern
Pennsylvania.
LAT...LON 4088 7434 4036 7492 4035 7561 4089 7508
TIME...MOT...LOC 2154Z 275DEG 22KT 4086 7468 4038 7536
$$
NJC019-027-035-041-PAC017-077-091-095-222230-
/O.CON.KPHI.SV.W.0270.000000T0000Z-190722T2230Z/
Morris NJ-Hunterdon NJ-Warren NJ-Somerset NJ-Montgomery PA-Lehigh PA-
Bucks PA-Northampton PA-
555 PM EDT Mon Jul 22 2019
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR SOUTHERN MORRIS...HUNTERDON...SOUTHERN WARREN...NORTHWESTERN
SOMERSET...NORTHWESTERN MONTGOMERY...SOUTHEASTERN LEHIGH...
NORTHWESTERN BUCKS AND SOUTHEASTERN NORTHAMPTON COUNTIES...
At 554 PM EDT, severe thunderstorms were located along a line
extending from Succasunna to near Perkasie, moving east at 25 mph.
HAZARD...70 mph wind gusts.
SOURCE...Law enforcement. Widespread wind damage has been reported
with these storms.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations impacted include...
Easton, Morristown, Bethlehem, Dover, Forks, Hackettstown,
Quakertown, Perkasie, Byram, Wilson, Bedminster, Washington,
Hellertown, Morris Plains, Mendham, Flemington, Mountain Lakes,
Tinicum, High Bridge and East Greenville.
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 4088 7434 4036 7492 4035 7561 4089 7508
TIME...MOT...LOC 2154Z 275DEG 22KT 4086 7468 4038 7536
HAIL...<.75IN
WIND...70MPH
$$
CMS069
WWUS51 KPHI 222208
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
608 PM EDT Mon Jul 22 2019
PAC077-091-095-222217-
/O.CAN.KPHI.SV.W.0270.000000T0000Z-190722T2230Z/
Montgomery PA-Lehigh PA-Northampton PA-
608 PM EDT Mon Jul 22 2019
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN MONTGOMERY...
SOUTHEASTERN LEHIGH AND SOUTHEASTERN NORTHAMPTON COUNTIES IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A severe thunderstorm watch remains in effect until 1000 PM EDT for
northern and northwestern New Jersey...and southeastern Pennsylvania.
LAT...LON 4036 7492 4035 7537 4037 7540 4089 7492
4088 7434
TIME...MOT...LOC 2207Z 247DEG 25KT 4089 7458 4041 7526
$$
NJC019-027-035-041-PAC017-222230-
/O.CON.KPHI.SV.W.0270.000000T0000Z-190722T2230Z/
Morris NJ-Hunterdon NJ-Warren NJ-Somerset NJ-Bucks PA-
608 PM EDT Mon Jul 22 2019
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR SOUTHERN MORRIS...HUNTERDON...SOUTHEASTERN WARREN...NORTHWESTERN
SOMERSET AND NORTHWESTERN BUCKS COUNTIES...
At 607 PM EDT, severe thunderstorms were located along a line
extending from Wharton to near Perkasie, moving northeast at 30 mph.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Law enforcement. Widespread wind damage has been reported
in Warren, Lehigh, and Northampton Counties with these
storms.
IMPACT...Minor damage to vehicles is possible. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.
Locations impacted include...
Morristown, Dover, Hackettstown, Quakertown, Perkasie, Byram,
Bedminster, Washington, Morris Plains, Mendham, Flemington, Mountain
Lakes, Tinicum, High Bridge, Clinton, Peapack And Gladstone, New
Hope, Oxford, Dublin and Glen Gardner.
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 4036 7492 4035 7537 4037 7540 4089 7492
4088 7434
TIME...MOT...LOC 2207Z 247DEG 25KT 4089 7458 4041 7526
HAIL...1.00IN
WIND...70MPH
$$
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, 5:34 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, 6:27 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Middlesex, Monmouth, Morris, Somerset | 34 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 | |
| Jul 21, 9:30 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 45 min |
| Jul 21, 9:58 PM EDT | Areal Flood Advisory | PHI | Berks, Bucks, Lehigh, Montgomery, Northampton | 2 hr |
| Jul 21, 10:14 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Lehigh, Montgomery, Northampton | 46 min |
| Jul 21, 10:30 PM EDT | Flash Flood Warning | PHI | Berks, Lehigh, Northampton | 3 hr |
| Jul 21, 10:31 PM EDT | Flash Flood Warning | PHI | Berks, Lehigh, Northampton | 3 hr |
| Jul 21, 10:35 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 40 min |
| Jul 21, 10:42 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Montgomery | 48 min |
| Jul 21, 10:58 PM EDT | Areal Flood Advisory | PHI | Berks, Chester, Montgomery | 59 min |
| Jul 21, 11:05 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Lehigh, Montgomery | 40 min |
| Jul 21, 11:38 PM EDT | Flash Flood Warning | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 2 hr |
| Jul 22, 12:05 AM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 40 min |
| Jul 22, 12:45 AM EDT | Special Weather Statement | PHI | Monroe | 30 min |
| Jul 22, 1:11 AM EDT | Special Weather Statement | PHI | Monroe | 34 min |
| Jul 22, 5:32 AM EDT | Areal Flood Warning | PHI | Lehigh | 49 min |
| Jul 22, 1:28 PM EDT | Special Weather Statement | PHI | Monroe | 32 min |
| Jul 22, 3:18 PM EDT | Special Weather Statement | PHI | Chester | 57 min |
| Jul 22, 3:27 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 48 min |
| Jul 22, 3:39 PM EDT | Special Weather Statement | PHI | Berks | 51 min |
| Jul 22, 3:47 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 58 min |
| Jul 22, 4:55 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Lehigh, Montgomery, Northampton | 50 min |
| Jul 22, 5:05 PM EDT | Flash Flood Warning | PHI | Berks, Lehigh, Northampton | 4 hr |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2019Severe 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.