Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 84, NWS Philadelphia/Mount Holly

July 3, 2014Monroe County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 3, 2014, 6:19 PM EDT for Monroe County, Pennsylvania. It was in force for 56 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: Jul 3, 2014, 6:19 PM EDT (22:19 UTC)
Expired: Jul 3, 2014, 7:15 PM EDT
In force: 56 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon

County Monroe County, PA

The radar

The Binghamton radar (KBGM), 136 km from the middle of the area, began a volume at 22:22 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
Jul 3, 6:34 PM EDT	TSTM WND DMG	Mountainhome, PA	TREES REPORTED DOWN.

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
Jul 3, 2:12 PM EDT	Severe Thunderstorm Watch	SPC	10 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 10.3 hours before the alert went out and 197 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 708 J/kg
Mixed-layer CIN: -132 J/kg
Mixed-layer LCL: 889 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 1 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

821 
WUUS51 KPHI 032219
SVRPHI
PAC089-032315-
/O.NEW.KPHI.SV.W.0084.140703T2219Z-140703T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
619 PM EDT THU JUL 3 2014

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MONROE COUNTY IN NORTHEAST PENNSYLVANIA...

* UNTIL 715 PM EDT

* AT 616 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM. THE STORM WAS NEAR REEDERS...MOVING NORTHEAST
  AT 30 MPH. THIS STORM IS CAPABLE OF PRODUCING QUARTER SIZE HAIL...
  AND DAMAGING WINDS IN EXCESS OF 60 MPH. 

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  TANNERSVILLE AND SCOTRUN AROUND 625 PM EDT...
  ANALOMINK AROUND 630 PM EDT...
  HERNYVILLE AND PARADISE VALLEY AROUND 635 PM EDT...
  ALPINE MOUNTAIN AND ECHO LAKE AROUND 640 PM EDT...
  MOUNTAINHOME AND CANADENSIS AROUND 645 PM EDT...
  SKYTOP AROUND 650 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...MOVE INDOORS TO A
STURDY BUILDING AND STAY AWAY FROM WINDOWS. WHEN IT IS SAFE TO DO
SO...REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR TO THE
NATIONAL WEATHER SERVICE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
THURSDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW
JERSEY AND EASTERN PENNSYLVANIA.

&&

LAT...LON 4124 7512 4116 7515 4115 7509 4113 7506
      4109 7503 4105 7506 4092 7523 4098 7545
      4112 7534 4120 7534 4125 7528 4126 7513
TIME...MOT...LOC 2219Z 206DEG 24KT 4100 7532

$$

FORECASTER: HEAVENER

1 follow-up statement

350 
WWUS51 KPHI 032253
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
653 PM EDT THU JUL 3 2014

PAC089-032315-
/O.CON.KPHI.SV.W.0084.000000T0000Z-140703T2315Z/
MONROE PA-
653 PM EDT THU JUL 3 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR CENTRAL MONROE COUNTY...

AT 649 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR ALPINE MOUNTAIN...OR 9 MILES NORTHEAST OF MOUNT
POCONO...MOVING NORTHEAST AT 30 MPH.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...MOVE INDOORS TO A
STURDY BUILDING AND STAY AWAY FROM WINDOWS. WHEN IT IS SAFE TO DO
SO...REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR TO THE
NATIONAL WEATHER SERVICE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
THURSDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW
JERSEY AND EASTERN PENNSYLVANIA.

LAT...LON 4116 7515 4115 7509 4113 7506 4109 7503
      4105 7506 4092 7523 4098 7545 4112 7534
TIME...MOT...LOC 2253Z 206DEG 24KT 4120 7519

$$

HEAVENER/VIVOLA

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 2, 8:08 PM EDT	Severe Thunderstorm Warning	PHI	Delaware, Philadelphia	52 min
Jul 2, 8:25 PM EDT	Flash Flood Warning	PHI	Bucks	4 hr
Jul 2, 8:33 PM EDT	Severe Thunderstorm Warning	PHI	Bucks	57 min
Jul 2, 10:08 PM EDT	Special Weather Statement	PHI	Delaware, Philadelphia	67 min
Jul 2, 10:38 PM EDT	Areal Flood Advisory	PHI	Bucks, Montgomery, Philadelphia	112 min
Jul 3, 1:22 PM EDT	Special Weather Statement	PHI	Northampton	38 min
Jul 3, 1:57 PM EDT	Tornado Warning	PHI	Northampton	24 min
Jul 3, 3:15 PM EDT	Special Weather Statement	PHI	Lebanon	45 min
Jul 3, 4:08 PM EDT	Special Weather Statement	PHI	Carbon	52 min
Jul 3, 5:06 PM EDT	Special Weather Statement	PHI	Monroe	24 min
Jul 3, 5:36 PM EDT	Severe Thunderstorm Warning	PHI	Chester	69 min
Jul 3, 5:55 PM EDT	Severe Thunderstorm Warning	PHI	Monroe	35 min
Jul 3, 5:58 PM EDT	Severe Thunderstorm Warning	PHI	Carbon, Monroe	62 min
Jul 3, 6:02 PM EDT	Tornado Warning	PHI	Carbon, Monroe	28 min
Jul 3, 6:17 PM EDT	Areal Flood Advisory	PHI	Carbon, Monroe	4 hr
Jul 3, 6:21 PM EDT	Severe Thunderstorm Warning	PHI	Chester, Delaware	39 min
Jul 3, 6:46 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Delaware, Montgomery, Philadelphia	44 min
Jul 3, 6:47 PM EDT	Severe Thunderstorm Warning	PHI	Northampton	58 min
Jul 3, 6:54 PM EDT	Special Weather Statement	PHI	Montgomery	66 min
Jul 3, 7:02 PM EDT	Areal Flood Advisory	PHI	Northampton	4 hr
Jul 3, 7:25 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Northampton	65 min
Jul 3, 7:29 PM EDT	Severe Thunderstorm Warning	PHI	Bucks	61 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2014 Every severe thunderstorm warning in 2014

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.