Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 113, NWS State College, PA

July 27, 2005Northumberland County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Jul 27, 2005, 3:08 PM EDT for Northumberland County, Pennsylvania. It was in force for 44 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 27, 2005, 3:08 PM EDT (19:08 UTC)
Expired
Jul 27, 2005, 3:52 PM EDT
In force
44 min
Issued by
NWS State College, PA
Area
Counties, with a storm outline in the text

County Northumberland County, PA

The radar

The State College radar (KCCX), 109 km from the middle of the area, began a volume at 19:11 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

TimeReportWhereRemark
Jul 27, 3:20 PM EDTTSTM WND DMGHerndon, PATREES AND WIRES DOWN NEAR AND SOUTHEAST OF HERNDON.

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.

IssuedProductOfficeLasted
Jul 27, 1:50 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 7.1 hours before the alert went out and 156 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, Phillips Aaf/Abe, MD at 12:00Z on 2005-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1105 joules per kilogram.LCLLFCEL10008507005003002001001 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, Phillips Aaf/Abe, MD at 12:00Z on 2005-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 square meters per square second.1939Sfc1 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
1105 J/kg
Mixed-layer CIN
-73 J/kg
Mixed-layer LCL
1506 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
29 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.

000 
WUUS51 KCTP 271909
SVRCTP
PAC097-272000-
/O.NEW.KCTP.SV.W.0113.050727T1908Z-050727T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
308 PM EDT WED JUL 27 2005

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHUMBERLAND COUNTY IN CENTRAL PENNSYLVANIA

* UNTIL 400 PM EDT

* AT 307 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 10 MILES SOUTHWEST OF RESLER...
  OR 9 MILES SOUTHWEST OF SELINSGROVE...AND MOVING EAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  RESLER AROUND 320 PM EDT...
  REBUCK AROUND 325 PM EDT...
  TREVORTON AND FARNSWORTH AROUND 330 PM EDT...
  LECK KILL AND FERNDALE AROUND 335 PM EDT...

THIS STORM HAS A HISTORY OF PRODUCING DAMAGING WINDS.

PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...1 8 7 7 6 3 3 6 7 7 2.

LAT...LON 4085 7682 4063 7689 4074 7651 4088 7658

$$

FORECASTER: JPV
2 follow-up statements
000 
WWUS51 KCTP 271934
SVSCTP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
334 PM EDT WED JUL 27 2005

PAC097-272000-
/O.CON.KCTP.SV.W.0113.000000T0000Z-050727T2000Z/
NORTHUMBERLAND-
334 PM EDT WED JUL 27 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 400 PM EDT FOR
NORTHUMBERLAND COUNTY...

AT 329 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR LECK KILL...OR NEAR
SHAMOKIN...MOVING EAST AT 40 MPH.

PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...1 8 7 7 6 3 3 6 7 7 2.

LAT...LON 4085 7682 4063 7689 4074 7651 4088 7658

$$

FORECASTER: JPV
000 
WWUS51 KCTP 271952
SVSCTP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
353 PM EDT WED JUL 27 2005

PAC097-272003-
/O.CAN.KCTP.SV.W.0113.000000T0000Z-050727T2000Z/
NORTHUMBERLAND-
353 PM EDT WED JUL 27 2005

...THE SEVERE THUNDERSTORM WARNING FOR NORTHUMBERLAND COUNTY IS
CANCELLED...

THE THUNDERSTORM THAT PROMPTED THE WARNING HAS MOVED OUT OF THE 
AREA. THEREFORE THE SEVERE THUNDERSTORM WARNING HAS BEEN ALLOWED TO 
EXPIRE.

PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...1 8 7 7 6 3 3 6 7 7 2.

LAT...LON 4085 7682 4063 7689 4074 7651 4088 7658

$$

FORECASTER: JPV

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 26, 8:17 PM EDTSevere Thunderstorm WarningCTPSullivan60 min
Jul 26, 8:24 PM EDTSevere Thunderstorm WarningCTPCentre66 min
Jul 26, 9:05 PM EDTSevere Thunderstorm WarningCTPColumbia, Montour55 min
Jul 27, 2:35 PM EDTSevere Thunderstorm WarningCTPMontour26 min
Jul 27, 2:47 PM EDTSevere Thunderstorm WarningCTPJuniata28 min
Jul 27, 2:49 PM EDTSevere Thunderstorm WarningCTPColumbia41 min
Jul 27, 2:52 PM EDTSevere Thunderstorm WarningCTPSnyder39 min
Jul 27, 3:19 PM EDTSevere Thunderstorm WarningCTPSchuylkill56 min
Jul 27, 5:36 PM EDTSevere Thunderstorm WarningCTPLancaster24 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2005Every severe thunderstorm warning in 2005

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.