Alert archive / Pennsylvania / Special Weather Statements in 2011

Special Weather Statement, NWS State College, PA

July 3, 2011Northumberland County, Snyder County, Pennsylvania

NWS State College, PA issued this special weather statement at Jul 3, 2011, 2:07 AM EDT for Northumberland County, Snyder County, Pennsylvania. It was in force for 53 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 3, 2011, 2:07 AM EDT (06:07 UTC)
Expired
Jul 3, 2011, 3:00 AM EDT
In force
53 min
Issued by
NWS State College, PA

Counties Northumberland County, PA, Snyder County, PA

The radar

The State College radar (KCCX), 117 km from the middle of the area, began a volume at 06:08 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

Washington/Dulle, VA (KIAD), launched 00:00Z, 6.1 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-pSkew-T log-p diagram, Washington/Dulle, VA at 00:00Z on 2011-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Washington/Dulle, VA at 00:00Z on 2011-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 square meters per square second.193958Sfc1 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
2349 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
115 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.

553 
WWUS81 KCTP 030607
SPSCTP

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
207 AM EDT SUN JUL 3 2011

PAZ028-049-050-052-056>058-030700-
DAUPHIN PA-JUNIATA PA-NORTHUMBERLAND PA-PERRY PA-SCHUYLKILL PA-
SNYDER PA-UNION PA-
207 AM EDT SUN JUL 3 2011

...STRONG THUNDERSTORMS WILL AFFECT EASTERN SNYDER...NORTHEASTERN 
JUNIATA...NORTHEASTERN PERRY...NORTHERN DAUPHIN...SOUTH CENTRAL 
UNION...SOUTHERN NORTHUMBERLAND AND WEST CENTRAL SCHUYLKILL 
COUNTIES...

AT 204 AM EDT...A CLUSTER OF STRONG THUNDERSTORMS WERE NEAR 
SELINSGROVE...MOVING SOUTHEAST AT 20 MPH.

WIND GUSTS TO 50 MPH AND SMALL HAIL ARE POSSIBLE WITH THESE STORMS. 
THE STORMS WILL BE NEAR RESLER AROUND 220 AM...HERNDON AROUND 230 
AM...REBUCK AROUND 240 AM...URBAN AROUND 250 AM AND GRATZ AROUND 300 
AM.

THESE STORMS WILL IMPACT THE FOLLOWING MAJOR ROADS...STATE HIGHWAY 
147...ROUTE 11...ROUTE 11/15...ROUTE 15...ROUTE 209...ROUTE 
322/22...ROUTE 522...STATE ROAD 61.

LAT...LON 4058 7641 4055 7653 4056 7654 4054 7656
      4040 7703 4089 7713 4095 7679

$$

FORECASTER: MARTIN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 3, 1:13 AM EDTAreal Flood AdvisoryCTPLycoming, Sullivan, Tioga3 hr
Jul 3, 1:39 AM EDTSpecial Weather StatementCTPFranklin36 min
Jul 3, 2:22 AM EDTAreal Flood AdvisoryCTPAdams, Columbia, Cumberland, Dauphin, Franklin, Juniata and 11 more3 hr
Jul 3, 2:53 AM EDTSpecial Weather StatementCTPCumberland, Dauphin, Perry, Snyder52 min
Jul 3, 3:46 AM EDTSpecial Weather StatementCTPAdams, Cumberland, York59 min
Jul 3, 3:13 PM EDTSpecial Weather StatementCTPFulton47 min

Nearby

Special Weather Statements in Pennsylvania, 2011Every special weather statement in 2011

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.