Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 165, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 29, 2019, 3:56 PM EDT for Bucks County, Montgomery County, Pennsylvania; Hunterdon County, Warren County, New Jersey. It was in force for 49 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
- Jun 29, 2019, 3:56 PM EDT (19:56 UTC)
- Expired
- Jun 29, 2019, 4:45 PM EDT
- In force
- 49 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Hunterdon County, NJ, Warren County, NJ, Bucks County, PA, Montgomery County, PA
The radar
The Philadelphia radar (KDIX), 101 km from the middle of the area, began a volume at 19:58 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 29, 4:06 PM EDT | TSTM WND DMG | 2 E Phillipsburg, NJ | DOWNED TREE ON U.S. HIGHWAY 22 NEAR MEMORIAL PARKWAY. TIME ESTIMATED FROM RADAR. |
| Jun 29, 4:22 PM EDT | TSTM WND DMG | Frenchtown, NJ | PHOTO OF A LARGE TREE DOWN. 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 |
|---|---|---|---|
| Jun 29, 12:08 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 7.9 hours before the alert went out and 189 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
- 1180 J/kg
- Mixed-layer CIN
- -87 J/kg
- Mixed-layer LCL
- 1077 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 129 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.3
The text
As transmitted.
211
WUUS51 KPHI 291956
SVRPHI
NJC019-041-PAC017-091-292045-
/O.NEW.KPHI.SV.W.0165.190629T1956Z-190629T2045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
356 PM EDT Sat Jun 29 2019
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Hunterdon County in northwestern New Jersey...
Southern Warren County in northwestern New Jersey...
Northeastern Montgomery County in southeastern Pennsylvania...
Northwestern Bucks County in southeastern Pennsylvania...
* Until 445 PM EDT.
* At 355 PM EDT, severe thunderstorms were located along a line
extending from near Roxburg to near Geryville, moving southeast at
25 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...
Quakertown, Perkasie, Doylestown, Byram, Souderton, Bedminster,
Washington, Chalfont, Tinicum, High Bridge, Clinton, Belvidere,
Harmony, Oxford, Alpha, Dublin, Glen Gardner, Ferndale, Hampton and
Frenchtown.
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.
&&
LAT...LON 4081 7485 4079 7489 4074 7483 4072 7473
4019 7514 4041 7546 4049 7540 4061 7520
4065 7520 4068 7517 4068 7520 4075 7519
4078 7517 4077 7513 4082 7508 4085 7510
4086 7505
TIME...MOT...LOC 1955Z 309DEG 23KT 4079 7514 4042 7542
HAIL...0.75IN
WIND...60MPH
$$
CMS2 follow-up statements
122
WWUS51 KPHI 292020
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
420 PM EDT Sat Jun 29 2019
NJC019-041-PAC017-091-292045-
/O.CON.KPHI.SV.W.0165.000000T0000Z-190629T2045Z/
Hunterdon NJ-Warren NJ-Montgomery PA-Bucks PA-
420 PM EDT Sat Jun 29 2019
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR HUNTERDON...SOUTHERN WARREN...EAST CENTRAL MONTGOMERY AND CENTRAL
BUCKS COUNTIES...
At 420 PM EDT, severe thunderstorms were located along a line
extending from Hampton to Fricks, moving southeast at 25 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Public. These storms produced widespread wind damage in
Lehigh and Northampton Counties.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Perkasie, Doylestown, Byram, Souderton, Bedminster, Washington,
Chalfont, Tinicum, High Bridge, Clinton, Oxford, Alpha, Dublin, Glen
Gardner, Ferndale, Hampton, Frenchtown, Lebanon, Milford and Califon.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4081 7485 4079 7489 4074 7483 4072 7473
4019 7514 4034 7536 4061 7520 4065 7520
4068 7517 4074 7509 4085 7502
TIME...MOT...LOC 2020Z 309DEG 23KT 4070 7499 4033 7527
HAIL...0.75IN
WIND...60MPH
$$
CMS431
WWUS51 KPHI 292036
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
436 PM EDT Sat Jun 29 2019
NJC019-041-PAC017-091-292045-
/O.EXP.KPHI.SV.W.0165.000000T0000Z-190629T2045Z/
Hunterdon NJ-Warren NJ-Montgomery PA-Bucks PA-
436 PM EDT Sat Jun 29 2019
...THE SEVERE THUNDERSTORM WARNING FOR HUNTERDON...SOUTHERN WARREN...
EAST CENTRAL MONTGOMERY AND CENTRAL BUCKS COUNTIES WILL EXPIRE AT 445
PM EDT...
The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore, the warning will
be allowed to expire.
A severe thunderstorm watch remains in effect until 700 PM EDT for
northern and northwestern New Jersey...and eastern and southeastern
Pennsylvania.
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 4081 7485 4079 7489 4074 7483 4072 7473
4019 7514 4034 7536 4061 7520 4065 7520
4068 7517 4074 7509 4085 7502
TIME...MOT...LOC 2035Z 309DEG 23KT 4064 7490 4027 7518
$$
CMSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 2:27 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 63 min |
| Jun 29, 2:46 PM EDT | Special Weather Statement | PHI | Chester | 29 min |
| Jun 29, 3:06 PM EDT | Special Weather Statement | PHI | Chester | 24 min |
| Jun 29, 3:09 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 51 min |
| Jun 29, 3:20 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 55 min |
| Jun 29, 3:24 PM EDT | Severe Thunderstorm Warning | PHI | Delaware | 36 min |
| Jun 29, 3:27 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 53 min |
| Jun 29, 3:45 PM EDT | Flash Flood Warning | PHI | Chester | 3 hr |
| Jun 29, 3:52 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 53 min |
| Jun 29, 3:59 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 46 min |
| Jun 29, 4:00 PM EDT | Flash Flood Warning | PHI | Chester, Delaware | 3 hr |
| Jun 29, 4:17 PM EDT | Areal Flood Advisory | PHI | Berks, Lehigh, Northampton | 3 hr |
| Jun 29, 4:28 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 47 min |
| Jun 29, 4:41 PM EDT | Areal Flood Advisory | PHI | Bucks, Delaware, Montgomery, Philadelphia | 3 hr |
| Jun 29, 7:10 PM EDT | Special Weather Statement | PHI | Berks | 35 min |
| Jun 29, 7:16 PM EDT | Special Weather Statement | PHI | Lebanon | 29 min |
| Jun 28, 8:08 PM EDT | Special Weather Statement | PHI | Burlington | 37 min |
| Jun 29, 1:35 PM EDT | Special Weather Statement | PHI | Camden | 25 min |
| Jun 29, 1:54 PM EDT | Special Weather Statement | PHI | Burlington | 36 min |
| Jun 29, 2:31 PM EDT | Special Weather Statement | PHI | Gloucester | 29 min |
| Jun 29, 3:09 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Camden, Gloucester | 37 min |
| Jun 29, 3:10 PM EDT | Special Marine Warning | PHI | 50 min | |
| Jun 29, 3:14 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Gloucester, Salem | 46 min |
| Jun 29, 3:17 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Ocean | 43 min |
| Jun 29, 3:18 PM EDT | Special Marine Warning | PHI | 57 min | |
| Jun 29, 3:19 PM EDT | Special Weather Statement | PHI | Ocean | 26 min |
| Jun 29, 3:25 PM EDT | Special Weather Statement | PHI | Burlington | 35 min |
| Jun 29, 3:31 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex, Warren | 44 min |
| Jun 29, 3:45 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Ocean | 45 min |
| Jun 29, 3:55 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Ocean | 50 min |
| Jun 29, 4:01 PM EDT | Flash Flood Warning | PHI | Sussex, Warren | 3 hr |
| Jun 29, 4:05 PM EDT | Special Marine Warning | PHI | 55 min | |
| Jun 29, 4:06 PM EDT | Special Marine Warning | PHI | 54 min | |
| Jun 29, 4:11 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex | 49 min |
| Jun 29, 4:15 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Ocean | 30 min |
| Jun 29, 4:16 PM EDT | Special Marine Warning | PHI | 18 min | |
| Jun 29, 4:23 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Ocean | 27 min |
| Jun 29, 4:25 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Ocean | 50 min |
| Jun 29, 4:26 PM EDT | Special Marine Warning | PHI | 49 min | |
| Jun 29, 4:27 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Somerset, Sussex, Warren | 48 min |
| Jun 29, 4:39 PM EDT | Special Marine Warning | PHI | 96 min | |
| Jun 29, 4:44 PM EDT | Areal Flood Advisory | PHI | Burlington, Ocean | 3 hr |
| Jun 29, 4:52 PM EDT | Special Marine Warning | PHI | 34 min | |
| Jun 29, 4:53 PM EDT | Severe Thunderstorm Warning | PHI | Morris | 22 min |
| Jun 29, 4:55 PM EDT | Special Weather Statement | PHI | Ocean | 35 min |
| Jun 29, 5:03 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Morris, Somerset | 27 min |
| Jun 29, 5:05 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Monmouth, Ocean | 40 min |
| Jun 29, 5:08 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cape May, Cumberland | 67 min |
| Jun 29, 5:19 PM EDT | Special Marine Warning | PHI | 116 min | |
| Jun 29, 5:29 PM EDT | Special Marine Warning | PHI | 109 min | |
| Jun 29, 5:32 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 43 min |
| Jun 29, 5:43 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Cape May, Monmouth, Ocean | 32 min |
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.