Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 97, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 29, 2019, 6:06 PM EDT for Bucks County, Montgomery County, Philadelphia County, Pennsylvania; Burlington County, New Jersey. It was in force for 24 min. 9 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
- May 29, 2019, 6:06 PM EDT (22:06 UTC)
- Expired
- May 29, 2019, 6:30 PM EDT
- In force
- 24 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Burlington County, NJ, Bucks County, PA, Montgomery County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 42 km from the middle of the area, began a volume at 22:06 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 |
|---|---|---|---|
| May 29, 6:10 PM EDT | TSTM WND GST 70 | 1 E Newtown, PA | TIME ESTIMATED FROM RADAR. |
| May 29, 6:10 PM EDT | HAIL 1 | 2 N Lower Moreland Twp, PA | |
| May 29, 6:10 PM EDT | HAIL 1 | 2 Sse Warminster Twp, PA | |
| May 29, 6:10 PM EDT | HAIL 1 | Willow Grove, PA | |
| May 29, 6:10 PM EDT | HAIL 1 | Willow Grove, PA | |
| May 29, 6:12 PM EDT | HAIL 0.7 | 3 W Lower Southampton T, PA | |
| May 29, 6:15 PM EDT | TSTM WND GST 59 | Northeast Philadelphia, PA | |
| May 29, 6:15 PM EDT | HAIL 1 | Bensalem, PA | CORRECTS PREVIOUS HAIL REPORT FROM BENSALEM. |
| May 29, 6:19 PM EDT | TSTM WND DMG | 1 Nnw Holmesburg, PA | DELAYED REPORT. DOWNED TREE BLOCKING HOLME ROAD BETWEEN WINCHESTER AND NAZARETH. 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 |
|---|---|---|---|
| May 29, 1:10 PM EDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 10.1 hours before the alert went out and 184 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
- 415 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- -157 m²/s²
- 0-3 km storm-relative helicity
- -76 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
486
WUUS51 KPHI 292206
SVRPHI
NJC005-PAC017-091-101-292230-
/O.NEW.KPHI.SV.W.0097.190529T2206Z-190529T2230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
606 PM EDT Wed May 29 2019
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northwestern Burlington County in southern New Jersey...
Southeastern Montgomery County in southeastern Pennsylvania...
Southeastern Bucks County in southeastern Pennsylvania...
Northeastern Philadelphia County in southeastern Pennsylvania...
* Until 630 PM EDT.
* At 606 PM EDT, a severe thunderstorm was located over Hatboro, or
11 miles north of Philadelphia, moving east at 40 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...
Philadelphia, Trenton, Bensalem, Willingboro, Florence, Burlington,
Bristol, Riverside, Hatboro, Jenkintown, Beverly, Rockledge,
Newtown, Tullytown, Abington, Langhorne, Bryn Athyn, Ivyland,
Feasterville-Trevose and Florence-Roebling.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A tornado watch remains in effect until 800 PM EDT for southern and
central New Jersey...and southeastern Pennsylvania.
A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted, act quickly and move to a
place of safety inside a sturdy structure such as a basement or small
interior room.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4002 7484 4006 7521 4027 7518 4022 7477
4018 7475 4016 7472 4016 7471 4018 7471
4019 7470 4018 7469
TIME...MOT...LOC 2206Z 281DEG 34KT 4017 7510
HAIL...1.00IN
WIND...60MPH
$$
IovinoThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 8:23 PM EDT | Tornado Warning | PHI | Monroe | 37 min |
| May 28, 9:17 PM EDT | River Flood Warning | PHI | Chester | 101 min |
| May 29, 3:18 AM EDT | Flash Flood Watch | PHI | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 18 hr |
| May 29, 2:19 PM EDT | Special Weather Statement | PHI | Lehigh | 41 min |
| May 29, 2:26 PM EDT | Special Weather Statement | PHI | Montgomery | 34 min |
| May 29, 2:30 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Lehigh, Montgomery, Northampton | 60 min |
| May 29, 2:48 PM EDT | Special Weather Statement | PHI | Monroe | 27 min |
| May 29, 2:59 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 46 min |
| May 29, 3:10 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Northampton | 65 min |
| May 29, 3:17 PM EDT | Tornado Warning | PHI | Bucks, Lehigh | 28 min |
| May 29, 3:29 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe, Northampton | 46 min |
| May 29, 3:29 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 46 min |
| May 29, 3:38 PM EDT | Tornado Warning | PHI | Bucks | 37 min |
| May 29, 3:43 PM EDT | Flash Flood Warning | PHI | Carbon, Monroe | 4 hr |
| May 29, 3:43 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 62 min |
| May 29, 3:43 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 47 min |
| May 29, 4:04 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 41 min |
| May 29, 4:09 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 51 min |
| May 29, 4:13 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Northampton | 47 min |
| May 29, 4:16 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 27 min |
| May 29, 4:18 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 42 min |
| May 29, 4:27 PM EDT | Areal Flood Advisory | PHI | Berks, Bucks, Carbon, Chester, Lehigh, Monroe and 2 more | 51 min |
| May 29, 4:35 PM EDT | Special Weather Statement | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 25 min |
| May 29, 4:42 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 48 min |
| May 29, 4:50 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon, Chester, Lehigh, Montgomery, Northampton | 40 min |
| May 29, 4:53 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery | 67 min |
| May 29, 4:55 PM EDT | Flash Flood Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery | 4 hr |
| May 29, 5:08 PM EDT | Tornado Warning | PHI | Bucks, Montgomery | 27 min |
| May 29, 5:14 PM EDT | Flash Flood Warning | PHI | Berks, Bucks, Carbon, Lehigh, Monroe, Northampton | 3 hr |
| May 29, 5:23 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Lehigh, Monroe, Montgomery and 1 more | 34 min |
| May 29, 5:27 PM EDT | Flash Flood Warning | PHI | Bucks, Chester, Montgomery, Philadelphia | 4 hr |
| May 29, 5:33 PM EDT | Tornado Warning | PHI | Bucks | 27 min |
| May 29, 5:39 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 66 min |
| May 29, 5:49 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Delaware, Montgomery, Philadelphia | 41 min |
| May 29, 6:06 PM EDT | Flash Flood Warning | PHI | Bucks | 4 hr |
| May 29, 6:22 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 53 min |
| May 29, 6:35 PM EDT | Flash Flood Warning | PHI | Berks, Chester, Delaware, Montgomery, Philadelphia | 3 hr |
| May 29, 7:12 PM EDT | Areal Flood Advisory | PHI | Chester | 3 hr |
| May 28, 8:30 PM EDT | Tornado Warning | PHI | Morris, Sussex | 30 min |
| May 28, 8:34 PM EDT | Special Marine Warning | PHI | 41 min | |
| May 28, 8:35 PM EDT | Severe Thunderstorm Warning | PHI | Cape May, Cumberland | 55 min |
| May 28, 8:37 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester | 25 min |
| May 28, 8:44 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Somerset, Sussex, Warren | 61 min |
| May 28, 8:50 PM EDT | Areal Flood Advisory | PHI | Cape May | 78 min |
| May 28, 8:59 PM EDT | Special Marine Warning | PHI | 61 min | |
| May 28, 9:33 PM EDT | Areal Flood Advisory | PHI | Morris, Somerset | 63 min |
| May 28, 9:47 PM EDT | Special Marine Warning | PHI | 43 min | |
| May 28, 9:52 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 23 min |
| May 28, 9:57 PM EDT | Special Marine Warning | PHI | 44 min | |
| May 28, 10:03 PM EDT | Special Weather Statement | PHI | Atlantic | 12 min |
| May 28, 10:28 PM EDT | Special Marine Warning | PHI | 58 min | |
| May 28, 10:30 PM EDT | Special Weather Statement | PHI | Ocean | 45 min |
| May 28, 10:33 PM EDT | Special Weather Statement | PHI | Burlington | 27 min |
| May 28, 10:34 PM EDT | Special Weather Statement | PHI | Monmouth | 26 min |
| May 28, 11:00 PM EDT | Special Weather Statement | PHI | Burlington, Ocean | 30 min |
| May 28, 11:07 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Ocean | 38 min |
| May 28, 11:21 PM EDT | Special Marine Warning | PHI | 39 min | |
| May 28, 11:35 PM EDT | Severe Thunderstorm Warning | PHI | Ocean | 25 min |
| May 28, 11:57 PM EDT | Special Marine Warning | PHI | 48 min | |
| May 29, 4:28 PM EDT | Special Weather Statement | PHI | Morris | 32 min |
| May 29, 4:37 PM EDT | Severe Thunderstorm Warning | PHI | Mercer, Middlesex, Monmouth, Ocean | 53 min |
| May 29, 5:01 PM EDT | Special Weather Statement | PHI | Hunterdon, Morris | 29 min |
| May 29, 5:03 PM EDT | Special Marine Warning | PHI | 57 min | |
| May 29, 5:45 PM EDT | Special Weather Statement | PHI | Hunterdon, Morris, Sussex, Warren | 30 min |
| May 29, 6:01 PM EDT | Special Marine Warning | PHI | 59 min | |
| May 29, 6:02 PM EDT | Special Weather Statement | PHI | Salem | 28 min |
| May 29, 6:29 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Gloucester, Ocean | 61 min |
| May 29, 6:35 PM EDT | Special Marine Warning | PHI | 55 min | |
| May 29, 7:08 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Camden, Cumberland, Gloucester, Salem | 52 min |
| May 29, 7:15 PM EDT | Special Marine Warning | PHI | 60 min | |
| May 29, 7:25 PM EDT | Special Marine Warning | PHI | 65 min | |
| May 29, 7:33 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Cape May, Cumberland, Ocean | 42 min |
| May 29, 7:35 PM EDT | Special Marine Warning | PHI | 85 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.