Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 126, NWS Philadelphia/Mount Holly

July 6, 2007Monroe County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 6, 2007, 7:05 PM EDT for Monroe County, Pennsylvania. It was in force for 37 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: Jul 6, 2007, 7:05 PM EDT (23:05 UTC)
Expired: Jul 6, 2007, 7:42 PM EDT
In force: 37 min
Issued by: NWS Philadelphia/Mount Holly
Area: Counties, with a storm outline in the text

County Monroe County, PA

The radar

The Binghamton radar (KBGM), 141 km from the middle of the area, began a volume at 23:06 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.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 11.1 hours before the alert went out and 216 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: 39 J/kg
Mixed-layer CIN: -154 J/kg
Mixed-layer LCL: 962 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: -45 m²/s²
0-3 km storm-relative helicity: 8 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KPHI 062305
SVRPHI
PAC089-070000-
/O.NEW.KPHI.SV.W.0126.070706T2305Z-070707T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
705 PM EDT FRI JUL 6 2007

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

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

* UNTIL 800 PM EDT

* AT 703 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL.  THIS
  STORM WAS LOCATED 6 MILES SOUTHWEST OF POCONO PINES...OR ABOUT 24
  MILES SOUTHEAST OF WILKES-BARRE...AND MOVING SOUTHEAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  BRODHEADSVILLE BY 720 PM EDT...

LAT...LON 4113 7550 4109 7561 4084 7542 4083 7543
      4101 7511

$$

NIERENBERG

1 follow-up statement

000 
WWUS51 KPHI 062342
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
741 PM EDT FRI JUL 6 2007

PAC089-062351-
/O.CAN.KPHI.SV.W.0126.000000T0000Z-070707T0000Z/
MONROE PA-
741 PM EDT FRI JUL 6 2007

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN MONROE COUNTY IS
CANCELLED...

THE THUNDERSTORMS WHICH WERE THE BASIS FOR THE WARNING HAVE MOVED 
SOUTH INTO NORTHAMPTON COUNTY AND NO LONGER POSE A THREAT TO MONROE 
COUNTY. THE WARNING FOR MONROE COUNTY HAS THEREFORE BEEN CANCELLED.


LAT...LON 4113 7550 4109 7561 4084 7542 4083 7543
      4101 7511

$$

JJM

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 6, 2:10 PM EDT	Excessive Heat Watch	PHI	Delaware, Philadelphia	48 hr
Jul 6, 7:27 PM EDT	Severe Thunderstorm Warning	PHI	Northampton	28 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2007 Every severe thunderstorm warning in 2007

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.