Alert archive / Pennsylvania / Wind Advisories in 2015

Wind Advisory 8, NWS State College, PA

November 18, 2015Cambria County, Somerset County, Pennsylvania

NWS State College, PA issued this wind advisory at Nov 18, 2015, 3:01 AM EST for Cambria County, Somerset County, Pennsylvania. It took effect at Nov 18, 2015, 10:00 AM EST. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Nov 18, 2015, 3:01 AM EST (08:01 UTC)
In effect from
Nov 18, 2015, 10:00 AM EST
Expired
Nov 19, 2015, 12:00 AM EST
In force
14 hr
Issued by
NWS State College, PA

Counties Cambria County, PA, Somerset County, PA

The radar

The State College radar (KCCX), 106 km from the middle of the area, began a volume at 08:01 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

Pittsburgh, PA (KAGC), launched 00:00Z, 8.0 hours before the alert went out and 106 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, Pittsburgh, PA at 00:00Z on 2015-11-18Temperature 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, Pittsburgh, PA at 00:00Z on 2015-11-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 208 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
1880 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
208 m²/s²
0-3 km storm-relative helicity
257 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.

109 
WWUS71 KCTP 180801
NPWCTP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
301 AM EST WED NOV 18 2015

PAZ024-033-190500-
/O.NEW.KCTP.WI.Y.0008.151118T1500Z-151119T0500Z/
CAMBRIA-SOMERSET-
INCLUDING THE CITIES OF...JOHNSTOWN...SOMERSET
301 AM EST WED NOV 18 2015

...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO MIDNIGHT
EST TONIGHT...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO MIDNIGHT
EST TONIGHT.

* WINDS...FROM THE SOUTHEAST 20 TO 25 MPH WITH GUSTS 40 TO 50 MPH.

* TIMING...PEAK GUSTS BETWEEN 3 AND 10 PM ON THE LAUREL RIDGETOPS.

* IMPACTS...POWER OUTAGES...FALLING TREE LIMBS AND DIFFICULT
  DRIVING FOR HIGH PROFILE VEHICLES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE CAUTION AND
CONSIDER AVOIDING AREAS EXPOSED TO STRONG CROSS-WINDS. SECURE
LOOSE OUTDOOR OBJECTS THAT MAY BE BLOWN AWAY IF NOT STORED OR
TIED DOWN.

&&

$$
MS/BG
1 follow-up statement
260 
WWUS71 KCTP 190245
NPWCTP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
945 PM EST WED NOV 18 2015


PAZ024-033-190500-
/O.CON.KCTP.WI.Y.0008.000000T0000Z-151119T0500Z/
CAMBRIA-SOMERSET-
INCLUDING THE CITIES OF...JOHNSTOWN...SOMERSET
945 PM EST WED NOV 18 2015

...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT...

* WINDS...SOUTHEAST 10 TO 20 MPH WITH GUSTS OF 40 TO 50 MPH ON
  THE RIDGE TOPS. 

* TIMING...GUSTS WILL DECREASE AFTER MIDNIGHT.

* IMPACTS...FALLING TREE LIMBS AND DIFFICULT DRIVING FOR HIGH
  PROFILE VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE CAUTION AND
CONSIDER AVOIDING AREAS EXPOSED TO STRONG CROSS-WINDS. SECURE
LOOSE OUTDOOR OBJECTS THAT MAY BE BLOWN AWAY IF NOT STORED OR
TIED DOWN.

&&

$$

Nearby

Wind Advisories in Pennsylvania, 2015Every wind advisory in 2015

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.