Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2022
Severe Thunderstorm Warning 12, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Mar 31, 2022, 7:27 PM EDT for 4 counties in Pennsylvania. It was in force for 48 min. 3 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
- Mar 31, 2022, 7:27 PM EDT (23:27 UTC)
- Expired
- Mar 31, 2022, 8:15 PM EDT
- In force
- 48 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Berks County, PA, Carbon County, PA, Lehigh County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 153 km from the middle of the area, began a volume at 23:28 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 |
|---|---|---|---|
| Mar 31, 7:44 PM EDT | TSTM WND DMG | 2 N Shoemakersville, PA | A TREE WAS REPORTED DOWN IN PERRY TWP NEAR ZIONS CHURCH RD. TIME ESTIMATED FROM RADAR. |
| Mar 31, 8:12 PM EDT | TSTM WND GST 54 | Whitehall Twp, PA | |
| Mar 31, 8:13 PM EDT | TSTM WND DMG | 1 Sw Claussville, PA | TREE DOWN ON WIRES ON WERTMAN RD. 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 |
|---|---|---|---|
| Mar 31, 4:20 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 11.5 hours before the alert went out and 219 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
- 3 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 568 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 441 m²/s²
- 0-3 km storm-relative helicity
- 554 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
696
WUUS51 KPHI 312327
SVRPHI
PAC011-025-077-095-010015-
/O.NEW.KPHI.SV.W.0012.220331T2327Z-220401T0015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
727 PM EDT Thu Mar 31 2022
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Berks County in eastern Pennsylvania...
Lehigh County in eastern Pennsylvania...
Southern Carbon County in northeastern Pennsylvania...
Southwestern Northampton County in eastern Pennsylvania...
* Until 815 PM EDT.
* At 726 PM EDT, a severe thunderstorm was located over Strausstown,
or 10 miles northeast of Myerstown, moving east at 65 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Allentown, Reading, Lehighton, Bethlehem, Emmaus, Wyomissing,
Northampton, Palmerton, Birdsboro, Kutztown, Jim Thorpe, Hamburg,
Slatington, Fleetwood, Sinking Spring, Laureldale, Nesquehoning,
Womelsdorf, Wernersville and Walnutport.
This includes the following highways...
Pennsylvania Turnpike between mile markers 296 and 299.
Northeast Extension between mile markers 49 and 83.
Interstate 78 in Pennsylvania between mile markers 10 and 66.
Interstate 176 in Pennsylvania between mile markers 1 and 11.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4052 7634 4052 7625 4056 7609 4058 7606
4057 7602 4065 7598 4074 7576 4086 7593
4098 7570 4064 7531 4014 7587 4049 7643
TIME...MOT...LOC 2326Z 263DEG 55KT 4047 7614
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Davis1 follow-up statement
800
WWUS51 KPHI 312354
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
754 PM EDT Thu Mar 31 2022
PAC011-025-077-095-010015-
/O.CON.KPHI.SV.W.0012.000000T0000Z-220401T0015Z/
Berks PA-Lehigh PA-Carbon PA-Northampton PA-
754 PM EDT Thu Mar 31 2022
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR BERKS...LEHIGH...SOUTHEASTERN CARBON AND SOUTHWESTERN NORTHAMPTON
COUNTIES...
At 754 PM EDT, a severe thunderstorm was located over Ancient Oaks,
or 7 miles southwest of Allentown, moving east at 65 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Allentown, Reading, Lehighton, Bethlehem, Emmaus, Wyomissing,
Northampton, Palmerton, Birdsboro, Kutztown, Jim Thorpe, Hamburg,
Slatington, Fleetwood, Sinking Spring, Laureldale, Nesquehoning,
Womelsdorf, Wernersville and Walnutport.
This includes the following highways...
Pennsylvania Turnpike between mile markers 296 and 299.
Northeast Extension between mile markers 49 and 83.
Interstate 78 in Pennsylvania between mile markers 17 and 66.
Interstate 176 in Pennsylvania between mile markers 1 and 11.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4053 7619 4056 7609 4058 7606 4057 7602
4065 7598 4074 7576 4083 7588 4096 7568
4064 7531 4014 7587 4043 7633
TIME...MOT...LOC 2354Z 263DEG 55KT 4052 7558
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
DavisThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 31, 7:14 PM EDT | Special Weather Statement | PHI | Carbon, Monroe | 46 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2022Every severe thunderstorm warning in 2022
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.