Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 119, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 2, 2019, 7:11 PM EDT for 4 counties in Pennsylvania; Hunterdon County, New Jersey. It was in force for 49 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
- Jun 2, 2019, 7:11 PM EDT (23:11 UTC)
- Expired
- Jun 2, 2019, 8:00 PM EDT
- In force
- 49 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Hunterdon County, NJ, Berks County, PA, Bucks County, PA, Chester County, PA, Montgomery County, PA
The radar
The Philadelphia radar (KDIX), 84 km from the middle of the area, began a volume at 23:11 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 2, 7:15 PM EDT | TSTM WND GST 50 | Pottstown, PA | ESTIMATED 40 TO 50 MPH WIND GUST. TIME ESTIMATED FROM RADAR. |
| Jun 2, 7:15 PM EDT | HAIL 0.25 | Pottstown, PA | |
| Jun 2, 7:22 PM EDT | TSTM WND DMG | 3 E Gilbertsville, PA | MPING REPORT OF TREES AND POWER LINES DOWN. TIME ESTIMATED FROM RADAR. |
| Jun 2, 7:25 PM EDT | HAIL 0.25 | Gilbertsville, PA | |
| Jun 2, 7:40 PM EDT | HAIL 0.25 | Upper Salford Twp, PA | |
| Jun 2, 7:46 PM EDT | HAIL 0.25 | Franconia Twp, PA |
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 2, 3:05 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 11.2 hours before the alert went out and 212 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
- 796 m above ground
- 0-6 km bulk shear
- 0 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 0 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
577
WUUS51 KPHI 022311
SVRPHI
NJC019-PAC011-017-029-091-030000-
/O.NEW.KPHI.SV.W.0119.190602T2311Z-190603T0000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
711 PM EDT Sun Jun 2 2019
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
South central Hunterdon County in northwestern New Jersey...
Southeastern Berks County in eastern Pennsylvania...
Montgomery County in southeastern Pennsylvania...
Central Bucks County in southeastern Pennsylvania...
Northeastern Chester County in southeastern Pennsylvania...
* Until 800 PM EDT.
* At 711 PM EDT, a severe thunderstorm was located over Pottstown, or
14 miles east of Reading, moving east at 55 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to
roofs, siding, trees, and power lines is possible.
* Locations impacted include...
Pottstown, Phoenixville, Lansdale, West Norriton, East Norriton,
Perkasie, Doylestown, Byram, Hatboro, Souderton, Bedminster,
Ambler, Collegeville, Royersford, Chalfont, Tinicum, Trappe,
Hatfield, New Hope and Newtown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4049 7495 4015 7491 4015 7575 4033 7579
TIME...MOT...LOC 2311Z 262DEG 49KT 4026 7567
HAIL...1.00IN
WIND...60MPH
$$
Davis2 follow-up statements
136
WWUS51 KPHI 022330
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
730 PM EDT Sun Jun 2 2019
PAC011-029-022339-
/O.CAN.KPHI.SV.W.0119.000000T0000Z-190603T0000Z/
Berks PA-Chester PA-
730 PM EDT Sun Jun 2 2019
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BERKS AND
NORTHEASTERN CHESTER COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A severe thunderstorm watch remains in effect until 1000 PM EDT for
central and northwestern New Jersey...and eastern and southeastern
Pennsylvania.
LAT...LON 4049 7495 4015 7491 4017 7553 4035 7561
4036 7560
TIME...MOT...LOC 2329Z 260DEG 38KT 4029 7547
$$
NJC019-PAC017-091-030000-
/O.CON.KPHI.SV.W.0119.000000T0000Z-190603T0000Z/
Hunterdon NJ-Montgomery PA-Bucks PA-
730 PM EDT Sun Jun 2 2019
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR SOUTH CENTRAL HUNTERDON...CENTRAL MONTGOMERY AND CENTRAL BUCKS
COUNTIES...
At 729 PM EDT, a severe thunderstorm was located over Spring Mount,
or 20 miles south of Allentown, moving east at 45 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to roofs,
siding, trees, and power lines is possible.
Locations impacted include...
Lansdale, East Norriton, Perkasie, Doylestown, Byram, Hatboro,
Souderton, Bedminster, Ambler, Collegeville, Royersford, Chalfont,
Tinicum, Trappe, Hatfield, New Hope, Newtown, Dublin, Langhorne and
Schwenksville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4049 7495 4015 7491 4017 7553 4035 7561
4036 7560
TIME...MOT...LOC 2329Z 260DEG 38KT 4029 7547
HAIL...1.00IN
WIND...60MPH
$$
Davis546
WWUS51 KPHI 022354
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
754 PM EDT Sun Jun 2 2019
NJC019-PAC017-091-030003-
/O.EXP.KPHI.SV.W.0119.000000T0000Z-190603T0000Z/
Hunterdon NJ-Montgomery PA-Bucks PA-
754 PM EDT Sun Jun 2 2019
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL HUNTERDON...
CENTRAL MONTGOMERY AND CENTRAL BUCKS COUNTIES WILL EXPIRE AT 800 PM
EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However gusty
winds are still possible with this thunderstorm.
A severe thunderstorm watch remains in effect until 1000 PM EDT for
central and northwestern New Jersey...and eastern and southeastern
Pennsylvania.
LAT...LON 4049 7495 4015 7491 4017 7553 4035 7561
4036 7560
TIME...MOT...LOC 2353Z 262DEG 49KT 4033 7508
$$
DavisThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 2:32 PM EDT | Special Weather Statement | PHI | Delaware | 28 min |
| Jun 2, 2:40 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 50 min |
| Jun 2, 3:15 PM EDT | Special Weather Statement | PHI | Philadelphia | 30 min |
| Jun 2, 3:18 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 42 min |
| Jun 2, 3:21 PM EDT | Severe Thunderstorm Warning | PHI | Philadelphia | 39 min |
| Jun 2, 3:55 PM EDT | Special Weather Statement | PHI | Delaware | 35 min |
| Jun 2, 4:01 PM EDT | Special Weather Statement | PHI | Bucks | 29 min |
| Jun 2, 4:29 PM EDT | Special Weather Statement | PHI | Bucks, Montgomery, Philadelphia | 31 min |
| Jun 2, 5:46 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 44 min |
| Jun 2, 6:24 PM EDT | Special Weather Statement | PHI | Chester | 36 min |
| Jun 2, 6:43 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Philadelphia | 47 min |
| Jun 2, 6:53 PM EDT | Special Weather Statement | PHI | Berks | 37 min |
| Jun 2, 7:34 PM EDT | Special Weather Statement | PHI | Philadelphia | 26 min |
| Jun 2, 7:56 PM EDT | Special Weather Statement | PHI | Bucks | 34 min |
| Jun 2, 3:54 PM EDT | Special Weather Statement | PHI | Mercer | 36 min |
| Jun 2, 4:26 PM EDT | Special Weather Statement | PHI | Atlantic | 34 min |
| Jun 2, 4:28 PM EDT | Special Weather Statement | PHI | Monmouth | 32 min |
| Jun 2, 4:29 PM EDT | Special Marine Warning | PHI | 37 min | |
| Jun 2, 4:31 PM EDT | Special Marine Warning | PHI | 59 min | |
| Jun 2, 4:34 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 20 min |
| Jun 2, 4:37 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Ocean | 38 min |
| Jun 2, 5:22 PM EDT | Special Marine Warning | PHI | 53 min | |
| Jun 2, 6:07 PM EDT | Special Marine Warning | PHI | 21 min | |
| Jun 2, 6:27 PM EDT | Special Marine Warning | PHI | 40 min | |
| Jun 2, 7:14 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Salem | 46 min |
| Jun 2, 7:45 PM EDT | Special Marine Warning | PHI | 60 min | |
| Jun 2, 7:51 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Salem | 39 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.