Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 88, NWS Philadelphia/Mount Holly

May 29, 20194 counties in Pennsylvania; Warren County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 29, 2019, 4:16 PM EDT for 4 counties in Pennsylvania; Warren County, New Jersey. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 29, 2019, 4:16 PM EDT (20:16 UTC)
Expired
May 29, 2019, 4:43 PM EDT
In force
27 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Warren County, NJ, Carbon County, PA, Lehigh County, PA, Monroe County, PA, Northampton County, PA

The radar

The Philadelphia radar (KDIX), 136 km from the middle of the area, began a volume at 20:15 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 29, 1:10 PM EDTTornado WatchSPC8 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 8.3 hours before the alert went out and 220 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.

Skew-T log-pSkew-T log-p diagram, Brookhaven, NY at 12:00Z on 2019-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2019-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -157 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

The text

As transmitted.

257 
WUUS51 KPHI 292016
SVRPHI
NJC041-PAC025-077-089-095-292100-
/O.NEW.KPHI.SV.W.0088.190529T2016Z-190529T2100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
416 PM EDT Wed May 29 2019

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Southwestern Warren County in northwestern New Jersey...
  North central Lehigh County in eastern Pennsylvania...
  Southeastern Carbon County in northeastern Pennsylvania...
  Southwestern Monroe County in northeastern Pennsylvania...
  Northampton County in eastern Pennsylvania...

* Until 500 PM EDT.

* At 416 PM EDT, a severe thunderstorm was located over Jim Thorpe,
  or near Lehighton, moving east at 35 mph.

  HAZARD...60 mph wind gusts and half dollar 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...
  Easton, Lehighton, Bethlehem, Forks, Wilson, Nazareth, Palmerton,
  Bangor, Jim Thorpe, Slatington, Pen Argyl, Nesquehoning, Wind Gap,
  Bath, Weatherly, Walnutport, Belfast, West Easton, Tatamy and East
  Bangor.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A tornado watch remains in effect until 800 PM EDT for northwestern
New Jersey...and eastern and northeastern Pennsylvania.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4086 7511 4061 7524 4084 7586 4099 7579
      4100 7575
TIME...MOT...LOC 2016Z 291DEG 28KT 4090 7573 

HAIL...1.25IN
WIND...60MPH
 
$$

NC
1 follow-up statement
665 
WWUS51 KPHI 292043
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
443 PM EDT Wed May 29 2019

NJC041-PAC025-077-089-095-292053-
/O.CAN.KPHI.SV.W.0088.000000T0000Z-190529T2100Z/
Warren NJ-Lehigh PA-Carbon PA-Monroe PA-Northampton PA-
443 PM EDT Wed May 29 2019

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN WARREN...NORTH
CENTRAL LEHIGH...SOUTHEASTERN CARBON...SOUTHWESTERN MONROE AND
NORTHAMPTON COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A tornado watch remains in effect until 800 PM EDT for northwestern
New Jersey...and eastern and northeastern Pennsylvania.

LAT...LON 4086 7511 4061 7524 4084 7586 4099 7579
      4100 7575
TIME...MOT...LOC 2040Z 291DEG 28KT 4099 7573 

$$

NC

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 28, 8:23 PM EDTTornado WarningPHIMonroe37 min
May 28, 9:17 PM EDTRiver Flood WarningPHIChester101 min
May 29, 3:18 AM EDTFlash Flood WatchPHIBerks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more18 hr
May 29, 2:19 PM EDTSpecial Weather StatementPHILehigh41 min
May 29, 2:26 PM EDTSpecial Weather StatementPHIMontgomery34 min
May 29, 2:30 PM EDTSevere Thunderstorm WarningPHIBerks, Bucks, Lehigh, Montgomery, Northampton60 min
May 29, 2:48 PM EDTSpecial Weather StatementPHIMonroe27 min
May 29, 2:59 PM EDTSevere Thunderstorm WarningPHICarbon, Monroe46 min
May 29, 3:10 PM EDTSevere Thunderstorm WarningPHIBucks, Lehigh, Northampton65 min
May 29, 3:17 PM EDTTornado WarningPHIBucks, Lehigh28 min
May 29, 3:29 PM EDTSevere Thunderstorm WarningPHICarbon, Monroe, Northampton46 min
May 29, 3:29 PM EDTSevere Thunderstorm WarningPHICarbon, Lehigh, Monroe, Northampton46 min
May 29, 3:38 PM EDTTornado WarningPHIBucks37 min
May 29, 3:43 PM EDTFlash Flood WarningPHICarbon, Monroe4 hr
May 29, 3:43 PM EDTSevere Thunderstorm WarningPHIBerks, Lehigh62 min
May 29, 3:43 PM EDTSevere Thunderstorm WarningPHIMonroe, Northampton47 min
May 29, 4:04 PM EDTSevere Thunderstorm WarningPHIBucks41 min
May 29, 4:09 PM EDTSevere Thunderstorm WarningPHIMonroe, Northampton51 min
May 29, 4:13 PM EDTSevere Thunderstorm WarningPHIBucks, Lehigh, Northampton47 min
May 29, 4:18 PM EDTSevere Thunderstorm WarningPHIBerks, Bucks, Chester, Lehigh, Montgomery, Northampton42 min
May 29, 4:27 PM EDTAreal Flood AdvisoryPHIBerks, Bucks, Carbon, Chester, Lehigh, Monroe and 2 more51 min
May 29, 4:35 PM EDTSpecial Weather StatementPHIBerks, Carbon, Lehigh, Monroe, Northampton25 min
May 29, 4:42 PM EDTSevere Thunderstorm WarningPHICarbon, Lehigh, Monroe, Northampton48 min
May 29, 4:50 PM EDTSevere Thunderstorm WarningPHIBerks, Carbon, Chester, Lehigh, Montgomery, Northampton40 min
May 29, 4:53 PM EDTSevere Thunderstorm WarningPHIBucks, Montgomery67 min
May 29, 4:55 PM EDTFlash Flood WarningPHIBerks, Bucks, Chester, Lehigh, Montgomery4 hr
May 29, 5:08 PM EDTTornado WarningPHIBucks, Montgomery27 min
May 29, 5:14 PM EDTFlash Flood WarningPHIBerks, Bucks, Carbon, Lehigh, Monroe, Northampton3 hr
May 29, 5:23 PM EDTSevere Thunderstorm WarningPHIBerks, Bucks, Chester, Lehigh, Monroe, Montgomery and 1 more34 min
May 29, 5:27 PM EDTFlash Flood WarningPHIBucks, Chester, Montgomery, Philadelphia4 hr
May 29, 5:33 PM EDTTornado WarningPHIBucks27 min
May 29, 5:39 PM EDTSevere Thunderstorm WarningPHIBucks66 min
May 29, 5:49 PM EDTSevere Thunderstorm WarningPHIBerks, Chester, Delaware, Montgomery, Philadelphia41 min
May 29, 6:06 PM EDTFlash Flood WarningPHIBucks4 hr
May 29, 6:06 PM EDTSevere Thunderstorm WarningPHIBucks, Montgomery, Philadelphia24 min
May 29, 6:22 PM EDTSevere Thunderstorm WarningPHIChester, Delaware, Montgomery, Philadelphia53 min
May 29, 6:35 PM EDTFlash Flood WarningPHIBerks, Chester, Delaware, Montgomery, Philadelphia3 hr
May 29, 7:12 PM EDTAreal Flood AdvisoryPHIChester3 hr
May 28, 8:30 PM EDTTornado WarningPHIMorris, Sussex30 min
May 28, 8:34 PM EDTSpecial Marine WarningPHI41 min
May 28, 8:35 PM EDTSevere Thunderstorm WarningPHICape May, Cumberland55 min
May 28, 8:37 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester25 min
May 28, 8:44 PM EDTSevere Thunderstorm WarningPHIMorris, Somerset, Sussex, Warren61 min
May 28, 8:50 PM EDTAreal Flood AdvisoryPHICape May78 min
May 28, 8:59 PM EDTSpecial Marine WarningPHI61 min
May 28, 9:33 PM EDTAreal Flood AdvisoryPHIMorris, Somerset63 min
May 28, 9:47 PM EDTSpecial Marine WarningPHI43 min
May 28, 9:52 PM EDTSevere Thunderstorm WarningPHIMonmouth, Ocean23 min
May 28, 9:57 PM EDTSpecial Marine WarningPHI44 min
May 28, 10:03 PM EDTSpecial Weather StatementPHIAtlantic12 min
May 28, 10:28 PM EDTSpecial Marine WarningPHI58 min
May 28, 10:30 PM EDTSpecial Weather StatementPHIOcean45 min
May 28, 10:33 PM EDTSpecial Weather StatementPHIBurlington27 min
May 28, 10:34 PM EDTSpecial Weather StatementPHIMonmouth26 min
May 28, 11:00 PM EDTSpecial Weather StatementPHIBurlington, Ocean30 min
May 28, 11:07 PM EDTSevere Thunderstorm WarningPHIBurlington, Ocean38 min
May 28, 11:21 PM EDTSpecial Marine WarningPHI39 min
May 28, 11:35 PM EDTSevere Thunderstorm WarningPHIOcean25 min
May 28, 11:57 PM EDTSpecial Marine WarningPHI48 min
May 29, 4:28 PM EDTSpecial Weather StatementPHIMorris32 min
May 29, 4:37 PM EDTSevere Thunderstorm WarningPHIMercer, Middlesex, Monmouth, Ocean53 min
May 29, 5:01 PM EDTSpecial Weather StatementPHIHunterdon, Morris29 min
May 29, 5:03 PM EDTSpecial Marine WarningPHI57 min
May 29, 5:45 PM EDTSpecial Weather StatementPHIHunterdon, Morris, Sussex, Warren30 min
May 29, 6:01 PM EDTSpecial Marine WarningPHI59 min
May 29, 6:02 PM EDTSpecial Weather StatementPHISalem28 min
May 29, 6:29 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Gloucester, Ocean61 min
May 29, 6:35 PM EDTSpecial Marine WarningPHI55 min
May 29, 7:08 PM EDTSevere Thunderstorm WarningPHIAtlantic, Camden, Cumberland, Gloucester, Salem52 min
May 29, 7:15 PM EDTSpecial Marine WarningPHI60 min
May 29, 7:25 PM EDTSpecial Marine WarningPHI65 min
May 29, 7:33 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Cape May, Cumberland, Ocean42 min
May 29, 7:35 PM EDTSpecial Marine WarningPHI85 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.