Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 35, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 18, 2018, 6:48 PM EDT for 4 counties in Pennsylvania; Sussex County, Warren County, New Jersey. It was in force for 57 min. 5 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 18, 2018, 6:48 PM EDT (22:48 UTC)
- Expired
- Jun 18, 2018, 7:45 PM EDT
- In force
- 57 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Sussex County, NJ, Warren County, NJ, Carbon County, PA, Lehigh County, PA, Monroe County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 116 km from the middle of the area, began a volume at 22:50 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 18, 6:55 PM EDT | TSTM WND DMG | Stroud Twp, PA | TREES DOWN BLOCKING ROADWAYS. |
| Jun 18, 7:10 PM EDT | TSTM WND DMG | 1 S Kalarama, NJ | TREE DOWN BLOCKING ALL OF BELCHER ROAD IN BLAIRSTOWN TOWNSHIP. TIME ESTIMATED FROM RADAR. |
| Jun 18, 7:22 PM EDT | TSTM WND DMG | Stockertown, PA | TREES DOWN. TIME ESTIMATED FROM RADAR. |
| Jun 18, 7:33 PM EDT | TSTM WND DMG | 1 S Hackettstown, NJ | TREE ONTO WIRES AND ALSO WIRES SPARKING ON MITCHELL ROAD. TIME ESIMATED FROM RADAR. |
| Jun 18, 7:40 PM EDT | TSTM WND DMG | 1 Ene Broadway, NJ | TREE DOWN ACROSS THE ROAD NEAR 2093 ROUTE 57 IN FRANKLIN TOWNSHIP. TIME ESTIMATED FROM RADAR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 10.8 hours before the alert went out and 186 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
- 1413 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 122 m²/s²
- 0-3 km storm-relative helicity
- 123 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
601
WUUS51 KPHI 182248
SVRPHI
NJC037-041-PAC025-077-089-095-182345-
/O.NEW.KPHI.SV.W.0035.180618T2248Z-180618T2345Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
648 PM EDT MON JUN 18 2018
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Southwestern Sussex County in northwestern New Jersey...
Warren County in northwestern New Jersey...
Northern Lehigh County in eastern Pennsylvania...
Southeastern Carbon County in northeastern Pennsylvania...
Southern Monroe County in northeastern Pennsylvania...
Northampton County in eastern Pennsylvania...
* Until 745 PM EDT.
* At 647 PM EDT, severe thunderstorms were located along a line
extending from near Alpine Mountain to near New Mahoning, moving
east at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Allentown, Easton, Newton, Lehighton, Bethlehem, Hopatcong, Forks,
Northampton, East Stroudsburg, Hackettstown, Wilson, Washington,
Blairstown, Hellertown, Nazareth, Palmerton, Bangor, Mount
Arlington, Slatington and Stanhope.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4108 7503 4112 7496 4104 7455 4097 7464
4092 7465 4090 7471 4091 7476 4088 7481
4082 7483 4071 7497 4059 7518 4061 7520
4060 7522 4053 7534 4069 7583 4074 7576
4077 7581 4115 7513 4114 7508
TIME...MOT...LOC 2247Z 288DEG 29KT 4110 7514 4075 7578
HAIL...<.75IN
WIND...60MPH
$$
Iovino1 follow-up statement
175
WWUS51 KPHI 182315
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
715 PM EDT MON JUN 18 2018
PAC025-089-182322-
/O.CAN.KPHI.SV.W.0035.000000T0000Z-180618T2345Z/
Carbon PA-Monroe PA-
715 PM EDT MON JUN 18 2018
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CARBON AND
SOUTHERN MONROE COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of Carbon
County and Monroe County. Therefore, the warning has been cancelled
for those areas.
LAT...LON 4104 7456 4097 7464 4092 7465 4090 7471
4091 7476 4088 7481 4082 7483 4078 7490
4071 7497 4053 7533 4069 7583 4078 7567
4083 7538 4086 7529 4093 7522 4097 7512
4100 7511 4104 7503 4112 7496
TIME...MOT...LOC 2312Z 288DEG 29KT 4104 7490 4069 7554
$$
NJC037-041-PAC077-095-182345-
/O.CON.KPHI.SV.W.0035.000000T0000Z-180618T2345Z/
Sussex NJ-Warren NJ-Lehigh PA-Northampton PA-
715 PM EDT MON JUN 18 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR SOUTHWESTERN SUSSEX...WARREN...NORTHERN LEHIGH AND NORTHAMPTON
COUNTIES...
At 712 PM EDT, severe thunderstorms were located along a line
extending from near Blairstown in New Jersey to near Northampton in
Pennsylvania , moving east at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Allentown, Easton, Newton, Bethlehem, Hopatcong, Forks, Northampton,
Hackettstown, Wilson, Washington, Blairstown, Hellertown, Nazareth,
Bangor, Mount Arlington, Slatington, Stanhope, Pen Argyl, Netcong and
Wind Gap.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4104 7456 4097 7464 4092 7465 4090 7471
4091 7476 4088 7481 4082 7483 4078 7490
4071 7497 4053 7533 4069 7583 4078 7567
4083 7538 4086 7529 4093 7522 4097 7512
4100 7511 4104 7503 4112 7496
TIME...MOT...LOC 2312Z 288DEG 29KT 4104 7490 4069 7554
HAIL...<.75IN
WIND...60MPH
$$
IovinoThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 5:46 PM EDT | Special Weather Statement | PHI | Carbon, Monroe | 44 min |
| Jun 18, 6:10 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 50 min |
| Jun 18, 6:37 PM EDT | Special Weather Statement | PHI | Lehigh, Northampton | 53 min |
| Jun 18, 6:56 PM EDT | Special Weather Statement | PHI | Berks, Lehigh | 64 min |
| Jun 18, 6:58 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 62 min |
| Jun 18, 7:30 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Northampton | 60 min |
| Jun 18, 7:41 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery | 64 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2018Severe Thunderstorm Warnings in New Jersey, 2018Every severe thunderstorm warning in 2018
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.