Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 97, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 26, 2023, 2:06 PM EDT for 4 counties in Pennsylvania. It was in force for 39 min. 4 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 26, 2023, 2:06 PM EDT (18:06 UTC)
- Expired
- Jun 26, 2023, 2:45 PM EDT
- In force
- 39 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Carbon County, PA, Lehigh County, PA, Monroe County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 131 km from the middle of the area, began a volume at 18:09 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 26, 2:15 PM EDT | TSTM WND DMG | 4 Sse Schnecksville, PA | Reports of trees downed near South Whitehall Township, PA. Time estimated via radar. |
| Jun 26, 2:15 PM EDT | TSTM WND DMG | 4 Sse Schnecksville, PA | Reports of trees downed near South Whitehall Township, PA. Time estimated via radar. |
| Jun 26, 2:21 PM EDT | TSTM WND DMG | Lehigh Twp, PA | Reports of numerous trees down in Lehigh Township. Time estimated via radar. |
| Jun 26, 2:21 PM EDT | TSTM WND DMG | Lehigh Twp, PA | Reports of numerous trees down in Lehigh Township. Time estimated via 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 26, 1:11 PM EDT | Severe Thunderstorm Watch | SPC | 11 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 6.1 hours before the alert went out and 229 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
- 369 J/kg
- Mixed-layer CIN
- -76 J/kg
- Mixed-layer LCL
- 807 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted.
103
WUUS51 KPHI 261806
SVRPHI
PAC025-077-089-095-261845-
/O.NEW.KPHI.SV.W.0097.230626T1806Z-230626T1845Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
206 PM EDT Mon Jun 26 2023
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northwestern Lehigh County in eastern Pennsylvania...
Southeastern Carbon County in northeastern Pennsylvania...
Southwestern Monroe County in northeastern Pennsylvania...
West central Northampton County in eastern Pennsylvania...
* Until 245 PM EDT.
* At 205 PM EDT, a severe thunderstorm was located over
Schnecksville, or 11 miles south of Lehighton, moving northeast at
20 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...
Northampton, Nazareth, Palmerton, Slatington, Bath, Walnutport,
Belfast, Kunkletown, Neffs, Coffeetown, New Tripoli, Rossland,
Berlinsville, Emerald, Kresgeville, Claussville, Danielsville,
Beltzville State Park, Penn Forest Reservoir and Jordan Valley.
This includes Northeast Extension between mile markers 60 and 74, and
near mile marker 77.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4058 7566 4068 7580 4098 7555 4078 7522
TIME...MOT...LOC 1805Z 219DEG 16KT 4067 7566
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MJL1 follow-up statement
777
WWUS51 KPHI 261837
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
237 PM EDT Mon Jun 26 2023
PAC025-077-089-095-261845-
/O.CON.KPHI.SV.W.0097.000000T0000Z-230626T1845Z/
Lehigh PA-Carbon PA-Monroe PA-Northampton PA-
237 PM EDT Mon Jun 26 2023
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT
FOR NORTHWESTERN LEHIGH...SOUTHEASTERN CARBON...SOUTHWESTERN MONROE
AND WEST CENTRAL NORTHAMPTON COUNTIES...
At 237 PM EDT, a severe thunderstorm was located over Danielsville,
or 10 miles east of Lehighton, moving northeast at 20 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to roofs,
siding, trees, and power lines is possible.
Locations impacted include...
Northampton, Palmerton, Slatington, Bath, Walnutport, Belfast,
Danielsville, Kunkletown, Neffs, Beltzville State Park, New Tripoli,
Rossland, Berlinsville, Penn Forest Reservoir, Jordan Valley,
Beersville, Emerald, Schnecksville, Kresgeville and Bowmanstown.
This includes Northeast Extension between mile markers 64 and 74, and
near mile marker 77.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4064 7572 4068 7580 4098 7555 4078 7522
TIME...MOT...LOC 1837Z 219DEG 17KT 4079 7553
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
StaarmannThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 3:33 AM EDT | Flood Watch | PHI | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 23 hr |
| Jun 26, 8:41 AM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 49 min |
| Jun 26, 9:18 AM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe, Northampton | 42 min |
| Jun 26, 9:47 AM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 43 min |
| Jun 26, 1:13 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 47 min |
| Jun 26, 1:35 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 40 min |
| Jun 26, 2:04 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 41 min |
| Jun 26, 2:12 PM EDT | Tornado Warning | PHI | Berks, Lehigh | 21 min |
| Jun 26, 2:21 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 54 min |
| Jun 26, 2:23 PM EDT | Areal Flood Advisory | PHI | Berks, Carbon, Lehigh | 107 min |
| Jun 26, 2:31 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 44 min |
| Jun 26, 2:32 PM EDT | Flash Flood Warning | PHI | Berks, Lehigh | 67 min |
| Jun 26, 2:40 PM EDT | Special Weather Statement | PHI | Bucks | 35 min |
| Jun 26, 2:58 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 47 min |
| Jun 26, 3:02 PM EDT | Tornado Warning | PHI | Northampton | 28 min |
| Jun 26, 3:03 PM EDT | Areal Flood Advisory | PHI | Monroe | 104 min |
| Jun 26, 3:25 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 41 min |
| Jun 26, 3:56 PM EDT | Areal Flood Advisory | PHI | Monroe, Northampton | 2 hr |
| Jun 26, 4:04 PM EDT | Special Weather Statement | PHI | Northampton | 41 min |
| Jun 26, 4:50 PM EDT | Areal Flood Advisory | PHI | Lehigh, Northampton | 73 min |
| Jun 26, 5:47 PM EDT | Special Weather Statement | PHI | Lebanon | 28 min |
| Jun 26, 5:59 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 24 min |
| Jun 26, 6:00 PM EDT | Areal Flood Advisory | PHI | Monroe, Northampton | 4 hr |
| Jun 26, 6:03 PM EDT | Flash Flood Warning | PHI | Lehigh, Northampton | 6 hr |
| Jun 26, 6:16 PM EDT | Special Weather Statement | PHI | Delaware | 29 min |
| Jun 26, 6:26 PM EDT | Special Weather Statement | PHI | Chester | 34 min |
| Jun 26, 6:37 PM EDT | Flash Flood Warning | PHI | Chester, Delaware | 2 hr |
| Jun 26, 6:50 PM EDT | Special Weather Statement | PHI | Montgomery | 25 min |
| Jun 26, 6:51 PM EDT | Special Weather Statement | PHI | Northampton | 24 min |
| Jun 26, 7:13 PM EDT | Special Weather Statement | PHI | Bucks | 32 min |
| Jun 26, 7:26 PM EDT | Special Weather Statement | PHI | Montgomery | 34 min |
| Jun 26, 7:44 PM EDT | Special Weather Statement | PHI | Delaware, Montgomery | 31 min |
| Jun 26, 7:59 PM EDT | Special Weather Statement | PHI | Lehigh | 31 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2023Every severe thunderstorm warning in 2023
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.