Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 91, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 29, 2019, 4:42 PM EDT for 4 counties in Pennsylvania. It was in force for 48 min. 1 report 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, 4:42 PM EDT (20:42 UTC)
- Expired
- May 29, 2019, 5:30 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 Carbon County, PA, Lehigh County, PA, Monroe County, PA, Northampton County, PA
The radar
The Binghamton radar (KBGM), 133 km from the middle of the area, began a volume at 20:44 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, 5:05 PM EDT | TSTM WND DMG | Lehigh Twp, PA | WIRES DOWN, ALONG WITH LARGE BRANCHES. 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, 8.7 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
- 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.
712
WUUS51 KPHI 292042
SVRPHI
PAC025-077-089-095-292130-
/O.NEW.KPHI.SV.W.0091.190529T2042Z-190529T2130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
442 PM EDT Wed May 29 2019
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northeastern Lehigh County in eastern Pennsylvania...
Carbon County in northeastern Pennsylvania...
Monroe County in northeastern Pennsylvania...
Central Northampton County in eastern Pennsylvania...
* Until 530 PM EDT.
* At 441 PM EDT, a severe thunderstorm was located near White Haven,
or 11 miles north of Lehighton, moving east at 30 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...
Lehighton, Mount Pocono, Bethlehem, Northampton, East Stroudsburg,
Tobyhanna, Nazareth, Palmerton, Bangor, Jim Thorpe, Slatington, Pen
Argyl, Nesquehoning, Wind Gap, Bath, Weatherly, Walnutport,
Belfast, Tatamy and East Bangor.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A tornado watch remains in effect until 800 PM EDT for eastern and
northeastern Pennsylvania.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4118 7522 4096 7514 4062 7532 4089 7598
4091 7599 4101 7573 4103 7574 4105 7577
4108 7577 4113 7569 4112 7564 4123 7554
4123 7546
TIME...MOT...LOC 2041Z 290DEG 27KT 4100 7574
HAIL...0.75IN
WIND...60MPH
$$
NC2 follow-up statements
985
WWUS51 KPHI 292113
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
513 PM EDT Wed May 29 2019
PAC025-077-089-095-292130-
/O.CON.KPHI.SV.W.0091.000000T0000Z-190529T2130Z/
Lehigh PA-Carbon PA-Monroe PA-Northampton PA-
513 PM EDT Wed May 29 2019
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR NORTHEASTERN LEHIGH...SOUTHEASTERN CARBON...CENTRAL MONROE AND
CENTRAL NORTHAMPTON COUNTIES...
At 512 PM EDT, a severe thunderstorm was located over Gilbert, or 14
miles south of Mount Pocono, moving east at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Mount Pocono, Bethlehem, Northampton, East Stroudsburg, Nazareth,
Palmerton, Bangor, Slatington, Pen Argyl, Wind Gap, Bath, Walnutport,
Belfast, Tatamy, East Bangor, Steuben, Delaware Water Gap,
Stormville, Tannersville and Kresgeville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A tornado watch remains in effect until 800 PM EDT for eastern and
northeastern Pennsylvania.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4118 7522 4096 7514 4062 7532 4076 7566
4084 7557 4110 7537 4117 7536
TIME...MOT...LOC 2112Z 290DEG 27KT 4092 7544
HAIL...0.75IN
WIND...60MPH
$$
NC701
WWUS51 KPHI 292127
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
527 PM EDT Wed May 29 2019
PAC025-077-089-095-292137-
/O.EXP.KPHI.SV.W.0091.000000T0000Z-190529T2130Z/
Lehigh PA-Carbon PA-Monroe PA-Northampton PA-
527 PM EDT Wed May 29 2019
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LEHIGH...
SOUTHEASTERN CARBON...CENTRAL MONROE AND CENTRAL NORTHAMPTON COUNTIES
WILL EXPIRE AT 530 PM EDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
A tornado watch remains in effect until 800 PM EDT for eastern and
northeastern Pennsylvania.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.
LAT...LON 4118 7522 4096 7514 4062 7532 4076 7566
4084 7557 4110 7537 4117 7536
TIME...MOT...LOC 2127Z 290DEG 27KT 4067 7529
$$
NCThe 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, 4:50 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, 6:06 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 24 min |
| 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 |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 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.