Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 113, NWS State College, PA

July 23, 2014Schuylkill County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Jul 23, 2014, 4:25 PM EDT for Schuylkill County, Pennsylvania. It was in force for 35 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 23, 2014, 4:25 PM EDT (20:25 UTC)
Expired: Jul 23, 2014, 5:00 PM EDT
In force: 35 min
Issued by: NWS State College, PA
Area: Storm-based polygon

County Schuylkill County, PA

The radar

The Philadelphia radar (KDIX), 158 km from the middle of the area, began a volume at 20:27 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

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 8.4 hours before the alert went out and 127 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: 697 J/kg
Mixed-layer CIN: -59 J/kg
Mixed-layer LCL: 737 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 32 m²/s²
0-3 km storm-relative helicity: 37 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

283 
WUUS51 KCTP 232025
SVRCTP
PAC107-232100-
/O.NEW.KCTP.SV.W.0113.140723T2025Z-140723T2100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
425 PM EDT WED JUL 23 2014

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN SCHUYLKILL COUNTY IN CENTRAL PENNSYLVANIA...

* UNTIL 500 PM EDT

* AT 424 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING DAMAGING WINDS AROUND 60 MPH. THIS STORM WAS
  LOCATED OVER SCHUYLKILL HAVEN...AND MOVING EAST AT 20 MPH. NICKEL
  SIZE HAIL MAY ALSO ACCOMPANY THE DAMAGING WINDS.

* LOCATIONS IMPACTED INCLUDE...
  POTTSVILLE...SCHUYLKILL HAVEN...MINERSVILLE...ST. CLAIR...
  ORWIGSBURG...PORT CARBON...FRIEDENSBURG...MARLIN...RENNINGERS...
  SELTZER...MCKEANSBURG...LAKE WYNONAH...CRESSONA...PALO ALTO...
  AUBURN...DEER LAKE...PORT CLINTON...NEW RINGGOLD...SUMMIT STATION
  AND LANDINGVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE THUNDERSTORM WIND GUSTS ARE EXPECTED TO PRODUCE DAMAGE. PEOPLE
OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG
BUILDING.

&&

LAT...LON 4068 7588 4063 7600 4057 7602 4058 7604
      4057 7605 4058 7607 4056 7608 4053 7621
      4054 7630 4071 7626 4069 7587
TIME...MOT...LOC 2024Z 279DEG 16KT 4062 7618 

$$

DANGELO

2 follow-up statements

263 
WWUS51 KCTP 232042
SVSCTP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
442 PM EDT WED JUL 23 2014

PAC107-232100-
/O.CON.KCTP.SV.W.0113.000000T0000Z-140723T2100Z/
SCHUYLKILL PA-
442 PM EDT WED JUL 23 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM EDT
FOR SOUTHEASTERN SCHUYLKILL COUNTY...

AT 442 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR ORWIGSBURG...MOVING EAST AT 20 MPH. NICKEL SIZE HAIL MAY
ALSO ACCOMPANY THE DAMAGING WINDS.

LOCATIONS IMPACTED INCLUDE...
POTTSVILLE...SCHUYLKILL HAVEN...MINERSVILLE...ST. CLAIR...
ORWIGSBURG...PORT CARBON...FRIEDENSBURG...MARLIN...RENNINGERS...
SELTZER...MCKEANSBURG...LAKE WYNONAH...CRESSONA...PALO ALTO...
AUBURN...DEER LAKE...PORT CLINTON...NEW RINGGOLD...SUMMIT STATION AND
LANDINGVILLE.

LAT...LON 4068 7588 4063 7600 4057 7602 4058 7604
      4057 7605 4058 7607 4056 7608 4053 7621
      4054 7630 4071 7626 4069 7587
TIME...MOT...LOC 2042Z 279DEG 16KT 4061 7609 

$$

DEVOIR

228 
WWUS51 KCTP 232056
SVSCTP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
456 PM EDT WED JUL 23 2014

PAC107-232105-
/O.EXP.KCTP.SV.W.0113.000000T0000Z-140723T2100Z/
SCHUYLKILL PA-
456 PM EDT WED JUL 23 2014

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SCHUYLKILL COUNTY
WILL EXPIRE AT 500 PM EDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS
AND EXITED THE WARNED AREA. THEREFORE THE WARNING WILL BE ALLOWED TO 
EXPIRE. HOWEVER...ADDITIONAL...WEAKER SHOWERS ARE MOVING IN FROM THE 
WEST. 

LAT...LON 4068 7588 4063 7600 4057 7602 4058 7604
      4057 7605 4058 7607 4056 7608 4053 7621
      4054 7630 4071 7626 4069 7587
TIME...MOT...LOC 2054Z 279DEG 16KT 4061 7609 

$$

DANGELO

The office that day

Everything else NWS State College, PA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 23, 2:12 PM EDT	Special Weather Statement	CTP	Clearfield	33 min
Jul 23, 3:15 PM EDT	Special Weather Statement	CTP	Clinton	45 min
Jul 23, 4:13 PM EDT	Special Weather Statement	CTP	Dauphin	47 min
Jul 23, 4:24 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Dauphin, Lebanon, Perry	51 min
Jul 23, 4:48 PM EDT	Special Weather Statement	CTP	Columbia	27 min
Jul 23, 4:56 PM EDT	Special Weather Statement	CTP	Cumberland	34 min
Jul 23, 5:10 PM EDT	Special Weather Statement	CTP	Lebanon	50 min
Jul 23, 5:13 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Franklin	62 min
Jul 23, 5:44 PM EDT	Special Weather Statement	CTP	Lancaster, York	31 min
Jul 23, 6:25 PM EDT	Special Weather Statement	CTP	Lancaster	35 min
Jul 23, 6:34 PM EDT	Areal Flood Advisory	CTP	Adams, Lancaster, York	3 hr
Jul 23, 6:58 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, York	47 min
Jul 23, 7:05 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, York	55 min
Jul 23, 7:17 PM EDT	Special Weather Statement	CTP	Schuylkill	28 min
Jul 23, 7:48 PM EDT	Special Weather Statement	CTP	Schuylkill	27 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.