Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2022
Severe Thunderstorm Warning 17, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Mar 31, 2022, 9:36 PM EDT for 5 counties in New Jersey; 6 counties in Pennsylvania. It was in force for 54 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
- Mar 31, 2022, 9:36 PM EDT (01:36 UTC)
- Expired
- Mar 31, 2022, 10:30 PM EDT
- In force
- 54 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Hunterdon County, NJ, Mercer County, NJ, Morris County, NJ, Somerset County, NJ, Warren County, NJ, Bucks County, PA, Chester County, PA, Delaware County, PA, Montgomery County, PA, Northampton County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 87 km from the middle of the area, began a volume at 01:37 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, 9:48 PM EDT | TORNADO | 1 Wnw Dublin, PA | A CONFIRMED TORNADO IN PORTIONS OF HILLTOWN TOWNSHIP AND BEDMINSTER TOWNSHIP IN BUCKS COUNTY WAS RATED AN EF1 WITH MAXIMUM WINDS OF 100 MPH. IT OCCURED FROM 9:48 PM TO 9:52 PM. NUMEROUS TREES WERE SNAPPED AND UPROOTED, WITH SOME SHINGLES BLOWN OFF SOME HOMES A |
| Mar 31, 9:50 PM EDT | TSTM WND DMG | 1 Ssw Bedminster, PA | WIRES DOWN WITH POLES SNAPPED IN BEDMINSTER TWP. TREES ALSO SNAPPED AND UPROOTED. SOME ROADS REPORTED IMPASSABLE. KDIX INDICATED TDS. PROBABLE TORNADO. TIME ESTIMATED FROM RADAR. |
| Mar 31, 9:50 PM EDT | TSTM WND DMG | 2 N Dublin, PA | WIRES DOWN AT ELEPHANT ROAD & BEDMINSTER ROAD. TIME ESTIMATED FROM KDIX. |
| Mar 31, 9:50 PM EDT | HAIL 0.75 | Skippack, PA | 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
Wallops Is Stn, VA (KWAL), launched 00:00Z, 1.6 hours before the alert went out and 254 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
- 4 J/kg
- Mixed-layer CIN
- -379 J/kg
- Mixed-layer LCL
- 445 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 263 m²/s²
- 0-3 km storm-relative helicity
- 393 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted.
498
WUUS51 KPHI 010136
SVRPHI
NJC019-021-027-035-041-PAC017-029-045-091-095-101-010230-
/O.NEW.KPHI.SV.W.0017.220401T0136Z-220401T0230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
936 PM EDT Thu Mar 31 2022
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Southwestern Morris County in northern New Jersey...
Hunterdon County in northwestern New Jersey...
Southern Warren County in northwestern New Jersey...
Northwestern Mercer County in central New Jersey...
Western Somerset County in northern New Jersey...
Montgomery County in southeastern Pennsylvania...
Bucks County in southeastern Pennsylvania...
Chester County in southeastern Pennsylvania...
Philadelphia County in southeastern Pennsylvania...
Delaware County in southeastern Pennsylvania...
Southeastern Northampton County in eastern Pennsylvania...
* Until 1030 PM EDT.
* At 935 PM EDT, severe thunderstorms were located along a line
extending from Old Orchard to Souderton to near Lionville-Marchwood
to near Oxford, moving east at 45 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...
Philadelphia, Trenton, Camden, Easton, West Chester, Bethlehem,
Bensalem, Bridgewater, Ewing, Norristown, Dover, Phoenixville,
Lansdale, West Norriton, Forks, East Norriton, Coatesville, Yeadon,
Westtown and Quakertown.
This includes the following highways...
Pennsylvania Turnpike between mile markers 309 and 354.
Northeast Extension between mile markers 21 and 39.
Interstate 95 in Pennsylvania between mile markers 2 and 14, and
between mile markers 21 and 28.
Interstate 76 in Pennsylvania between mile markers 327 and 349.
Interstate 78 in Pennsylvania between mile markers 68 and 76.
Interstate 78 in New Jersey between mile markers 0 and 32.
Interstate 295 in New Jersey between mile markers 71 and 76.
Interstate 287 in New Jersey between mile markers 19 and 24.
Interstate 676 in Pennsylvania between mile markers 0 and 1.
Interstate 476 in Pennsylvania between mile markers 0 and 19.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
In addition damaging winds, frequent cloud to ground lightning is
occurring with some of these storms. Move indoors immediately.
Remember, if you can hear thunder, you are close enough to be struck
by lightning.
&&
LAT...LON 4003 7580 4036 7541 4052 7537 4054 7534
4055 7536 4071 7531 4088 7456 4038 7469
4021 7481 3986 7524 3982 7548 3984 7559
3979 7572 3973 7608
TIME...MOT...LOC 0135Z 249DEG 41KT 4064 7527 4031 7532 4002 7564 3978
7591
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Gorse1 follow-up statement
257
WWUS51 KPHI 010203
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
1003 PM EDT Thu Mar 31 2022
PAC095-010213-
/O.CAN.KPHI.SV.W.0017.000000T0000Z-220401T0230Z/
Northampton PA-
1003 PM EDT Thu Mar 31 2022
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN NORTHAMPTON
COUNTY IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until midnight EDT for
northern Delaware...southern, central, northern and northwestern New
Jersey...and southeastern Pennsylvania.
LAT...LON 3999 7578 4031 7535 4049 7521 4078 7500
4088 7456 4038 7469 4021 7481 3986 7524
3982 7548 3984 7559 3979 7572 3975 7597
TIME...MOT...LOC 0203Z 245DEG 38KT 4076 7484 4043 7500 4014 7531 3984
7571
$$
NJC019-021-027-035-041-PAC017-029-045-091-101-010230-
/O.CON.KPHI.SV.W.0017.000000T0000Z-220401T0230Z/
Morris NJ-Hunterdon NJ-Warren NJ-Mercer NJ-Somerset NJ-Montgomery PA-
Bucks PA-Chester PA-Philadelphia PA-Delaware PA-
1003 PM EDT Thu Mar 31 2022
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM EDT
FOR SOUTHWESTERN MORRIS...HUNTERDON...SOUTHEASTERN WARREN...
NORTHWESTERN MERCER...WESTERN SOMERSET...MONTGOMERY...BUCKS...CENTRAL
CHESTER...PHILADELPHIA AND DELAWARE COUNTIES...
At 1003 PM EDT, severe thunderstorms were located along a line
extending from near Califon to Stockton to East Norriton to Kennett
Square, moving northeast at 45 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...
Philadelphia, Trenton, Camden, West Chester, Bensalem, Bridgewater,
Ewing, Norristown, Dover, Phoenixville, Lansdale, West Norriton, East
Norriton, Yeadon, Westtown, Perkasie, Doylestown, Byram, Downingtown
and Conshohocken.
This includes the following highways...
Pennsylvania Turnpike between mile markers 312 and 354.
Northeast Extension between mile markers 21 and 33.
Interstate 95 in Pennsylvania between mile markers 2 and 14, and
between mile markers 21 and 28.
Interstate 76 in Pennsylvania between mile markers 327 and 349.
Interstate 78 in New Jersey between mile markers 7 and 32.
Interstate 295 in New Jersey between mile markers 71 and 76.
Interstate 287 in New Jersey between mile markers 19 and 24.
Interstate 676 in Pennsylvania between mile markers 0 and 1.
Interstate 476 in Pennsylvania between mile markers 0 and 19.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Frequent cloud to ground lightning is occurring with some of these
storms. Move indoors immediately. Lightning is one of nature's
leading killers. Remember, if you can hear thunder, you are close
enough to be struck by lightning.
&&
LAT...LON 3999 7578 4031 7535 4049 7521 4078 7500
4088 7456 4038 7469 4021 7481 3986 7524
3982 7548 3984 7559 3979 7572 3975 7597
TIME...MOT...LOC 0203Z 245DEG 38KT 4076 7484 4043 7500 4014 7531 3984
7571
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
GorseThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 31, 8:04 PM EDT | Severe Thunderstorm Warning | PHI | Sussex, Warren | 41 min |
| Mar 31, 8:05 PM EDT | Special Marine Warning | PHI | 55 min | |
| Mar 31, 8:40 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Sussex, Warren | 50 min |
| Mar 31, 8:41 PM EDT | Special Marine Warning | PHI | 64 min | |
| Mar 31, 9:12 PM EDT | Flash Flood Warning | PHI | Morris, Warren | 2 hr |
| Mar 31, 9:27 PM EDT | Special Marine Warning | PHI | 41 min | |
| Mar 31, 10:23 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Somerset | 25 min |
| Mar 31, 11:46 PM EDT | Coastal Flood Statement | PHI | Ocean | 2 hr |
| Apr 1, 2:01 AM EDT | Gale Warning | PHI | 20 hr | |
| Apr 1, 4:26 PM EDT | Special Marine Warning | PHI | 49 min | |
| Mar 31, 8:14 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh, Northampton | 46 min |
| Mar 31, 8:47 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery | 58 min |
| Mar 31, 9:49 PM EDT | Tornado Warning | PHI | Bucks | 16 min |
| Mar 31, 10:21 PM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Delaware, Montgomery | 61 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2022Severe Thunderstorm Warnings in New Jersey, 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.