Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 38, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 19, 2019, 11:00 PM EDT for 5 counties in Pennsylvania. It was in force for 60 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 19, 2019, 11:00 PM EDT (03:00 UTC)
- Expired
- May 20, 2019, 12:00 AM EDT
- In force
- 60 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Berks County, PA, Carbon County, PA, Lehigh County, PA, Monroe County, PA, Northampton County, PA
The radar
The Binghamton radar (KBGM), 156 km from the middle of the area, began a volume at 03:03 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 19, 11:36 PM EDT | HAIL 1 | Brodheadsville, PA | NICKEL TO QUARTER SIZE HAIL. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 3.0 hours before the alert went out and 243 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
- 953 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 1793 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 146 m²/s²
- 0-3 km storm-relative helicity
- 237 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 3.8
The text
As transmitted.
011
WUUS51 KPHI 200300
SVRPHI
PAC011-025-077-089-095-200400-
/O.NEW.KPHI.SV.W.0038.190520T0300Z-190520T0400Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
1100 PM EDT Sun May 19 2019
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northern Berks County in eastern Pennsylvania...
Northwestern Lehigh County in eastern Pennsylvania...
Carbon County in northeastern Pennsylvania...
Southwestern Monroe County in northeastern Pennsylvania...
Northwestern Northampton County in eastern Pennsylvania...
* Until midnight EDT.
* At 1100 PM EDT, a severe thunderstorm was located over Hamburg, or
10 miles east of Schuylkill Haven, moving east at 45 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...
Lehighton, Northampton, Palmerton, Bangor, Kutztown, Jim Thorpe,
Hamburg, Slatington, Pen Argyl, Nesquehoning, Wind Gap, Weatherly,
Wernersville, Walnutport, Leesport, Shoemakersville, East Bangor,
Bernville, Strausstown and Lenhartsville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
In addition to large hail and damaging winds, frequent cloud to
ground lightning is occurring with this storm. Move indoors
immediately. Remember, if you can hear thunder, you are close enough
to be struck by lightning.
&&
LAT...LON 4052 7625 4058 7605 4057 7602 4065 7598
4074 7576 4091 7599 4101 7573 4105 7577
4109 7577 4113 7569 4112 7565 4116 7559
4092 7513 4033 7610 4049 7641
TIME...MOT...LOC 0300Z 250DEG 48KT 4059 7598
HAIL...1.00IN
WIND...60MPH
$$
JJM2 follow-up statements
697
WWUS51 KPHI 200332
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
1132 PM EDT Sun May 19 2019
PAC011-025-077-089-095-200400-
/O.CON.KPHI.SV.W.0038.000000T0000Z-190520T0400Z/
Berks PA-Lehigh PA-Carbon PA-Monroe PA-Northampton PA-
1132 PM EDT Sun May 19 2019
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EDT
FOR NORTHERN BERKS...NORTHWESTERN LEHIGH...SOUTHERN CARBON...
SOUTHWESTERN MONROE AND NORTHWESTERN NORTHAMPTON COUNTIES...
At 1131 PM EDT, a line of severe thunderstorms was located over
Beersville, or 9 miles north of Allentown, moving east at 55 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to roofs,
siding, trees, and power lines is possible.
Locations impacted include...
Lehighton, Northampton, Palmerton, Bangor, Kutztown, Jim Thorpe,
Hamburg, Slatington, Pen Argyl, Nesquehoning, Wind Gap, Walnutport,
Leesport, Shoemakersville, East Bangor, Bernville, Strausstown,
Lenhartsville, Stormville and Neffs.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4052 7625 4058 7605 4057 7602 4065 7598
4074 7576 4084 7589 4099 7563 4109 7546
4092 7513 4038 7601
TIME...MOT...LOC 0331Z 250DEG 48KT 4073 7547
HAIL...1.00IN
WIND...60MPH
$$
Davis040
WWUS51 KPHI 200357
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
1157 PM EDT Sun May 19 2019
PAC011-025-077-089-095-200406-
/O.EXP.KPHI.SV.W.0038.000000T0000Z-190520T0400Z/
Berks PA-Lehigh PA-Carbon PA-Monroe PA-Northampton PA-
1157 PM EDT Sun May 19 2019
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN BERKS...NORTHWESTERN
LEHIGH...SOUTHERN CARBON...SOUTHWESTERN MONROE AND NORTHWESTERN
NORTHAMPTON COUNTIES WILL EXPIRE AT MIDNIGHT EDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire. However gusty
winds and heavy rain are still possible with this thunderstorm.
LAT...LON 4052 7625 4058 7605 4057 7602 4065 7598
4074 7576 4084 7589 4099 7563 4109 7546
4092 7513 4038 7601
TIME...MOT...LOC 0356Z 250DEG 48KT 4083 7512
$$
DavisThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 8:14 PM EDT | Special Weather Statement | PHI | Lehigh | 46 min |
| May 19, 8:35 PM EDT | Tornado Warning | PHI | Berks | 25 min |
| May 19, 8:37 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh, Montgomery | 38 min |
| May 19, 8:43 PM EDT | Flash Flood Warning | PHI | Berks | 3 hr |
| May 19, 9:09 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 51 min |
| May 19, 9:29 PM EDT | Flash Flood Warning | PHI | Berks, Bucks, Lehigh, Montgomery, Northampton | 4 hr |
| May 19, 9:46 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Montgomery, Northampton | 44 min |
| May 19, 10:27 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 48 min |
| May 19, 10:34 PM EDT | Areal Flood Advisory | PHI | Bucks, Lehigh, Northampton | 3 hr |
| May 19, 10:48 PM EDT | Flash Flood Warning | PHI | Berks | 117 min |
| May 19, 11:15 PM EDT | Flash Flood Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 3 hr |
| May 19, 11:41 PM EDT | Severe Thunderstorm Warning | PHI | Northampton | 53 min |
| May 19, 11:54 PM EDT | Severe Thunderstorm Warning | PHI | Lehigh, Northampton | 39 min |
| May 20, 12:57 AM EDT | Areal Flood Advisory | PHI | Berks | 3 hr |
| May 20, 1:21 AM EDT | Areal Flood Advisory | PHI | Berks, Montgomery | 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.