Alert archive / Pennsylvania / Wind Advisories in 2017

Wind Advisory 8, NWS State College, PA

May 2, 20179 counties in Pennsylvania

NWS State College, PA issued this wind advisory at May 2, 2017, 4:35 AM EDT for 9 counties in Pennsylvania. It took effect at May 2, 2017, 12:00 PM EDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
May 2, 2017, 4:35 AM EDT (08:35 UTC)
In effect from
May 2, 2017, 12:00 PM EDT
Expired
May 2, 2017, 7:00 PM EDT
In force
7 hr
Issued by
NWS State College, PA

Counties Bedford County, PA, Blair County, PA, Cambria County, PA, Cameron County, PA, Clearfield County, PA, Elk County, PA, McKean County, PA, Somerset County, PA, Warren County, PA

The radar

The State College radar (KCCX), 53 km from the middle of the area, began a volume at 08:37 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, 8.6 hours before the alert went out and 136 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 2017-05-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 34 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, Pittsburgh, PA at 00:00Z on 2017-05-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -83 square meters per square second.1939587897117136Sfc1 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
34 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
1254 m above ground
0-6 km bulk shear
78 kt
0-1 km storm-relative helicity
-83 m²/s²
0-3 km storm-relative helicity
31 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

As transmitted.

258 
WWUS71 KCTP 020835
NPWCTP

URGENT - WEATHER MESSAGE
National Weather Service State College PA
435 AM EDT Tue May 2 2017


PAZ004-005-010-011-017-024-025-033-034-022300-
/O.NEW.KCTP.WI.Y.0008.170502T1600Z-170502T2300Z/
Warren-McKean-Elk-Cameron-Clearfield-Cambria-Blair-Somerset-
Bedford-
Including the cities of Warren, Bradford, St. Marys, Ridgway, 
Emporium, DuBois, Clearfield, Johnstown, Altoona, Somerset, 
and Bedford
435 AM EDT Tue May 2 2017

...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS
EVENING...

The National Weather Service in State College has issued a Wind
Advisory, which is in effect from noon today to 7 PM EDT this
evening.

* WINDS...West to Southwest increasing to 15 to 25 mph and gusting
  occasionally between 45 and 50 mph this afternoon.

* TIMING...Peak wind gusts will occur between 1 pm and 6 pm.  

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Review wind safety and preparedness information at
weather.gov/wind.

&&

$$

Lambert/Steinbugl
2 follow-up statements
859 
WWUS71 KCTP 021855
NPWCTP

URGENT - WEATHER MESSAGE
National Weather Service State College PA
255 PM EDT Tue May 2 2017


PAZ004-005-010-011-017-024-025-033-034-022300-
/O.CON.KCTP.WI.Y.0008.000000T0000Z-170502T2300Z/
Warren-McKean-Elk-Cameron-Clearfield-Cambria-Blair-Somerset-
Bedford-
Including the cities of Warren, Bradford, St. Marys, Ridgway, 
Emporium, DuBois, Clearfield, Johnstown, Altoona, Somerset, 
and Bedford
255 PM EDT Tue May 2 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING...

* WINDS...West to Southwest 15 to 25 mph and gusting occasionally
  between 45 and 50 mph.

* TIMING...Peak wind gusts will occur between 1 pm and 6 pm. Gusts
  will subside this evening. 

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Review wind safety and preparedness information at
weather.gov/wind.

&&

$$
391 
WWUS71 KCTP 022300
NPWCTP

URGENT - WEATHER MESSAGE
National Weather Service State College PA
700 PM EDT Tue May 2 2017


PAZ004-005-010-011-017-024-025-033-034-030000-
/O.EXP.KCTP.WI.Y.0008.000000T0000Z-170502T2300Z/
Warren-McKean-Elk-Cameron-Clearfield-Cambria-Blair-Somerset-
Bedford-
Including the cities of Warren, Bradford, St. Marys, Ridgway, 
Emporium, DuBois, Clearfield, Johnstown, Altoona, Somerset, 
and Bedford
700 PM EDT Tue May 2 2017

...WIND ADVISORY IS CANCELLED...

Winds have decreased to below advisory criteria. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 1, 8:01 PM EDTSpecial Weather StatementCTPBedford, Fulton, Huntingdon44 min
May 1, 8:18 PM EDTSpecial Weather StatementCTPMontour27 min
May 1, 8:29 PM EDTSevere Thunderstorm WarningCTPBedford, Franklin, Fulton, Huntingdon46 min
May 1, 8:39 PM EDTSevere Thunderstorm WarningCTPColumbia, Lycoming, Montour, Sullivan36 min
May 1, 8:47 PM EDTTornado WarningCTPFranklin, Fulton, Huntingdon26 min
May 1, 8:55 PM EDTAreal Flood AdvisoryCTPColumbia, Lycoming, Montour, Northumberland, Sullivan, Union3 hr
May 1, 9:02 PM EDTSpecial Weather StatementCTPUnion28 min
May 1, 9:10 PM EDTSevere Thunderstorm WarningCTPJuniata, Perry54 min
May 1, 9:55 PM EDTSevere Thunderstorm WarningCTPColumbia, Montour, Northumberland, Snyder80 min
May 1, 10:06 PM EDTAreal Flood AdvisoryCTPColumbia, Lycoming, Montour, Northumberland, Snyder, Sullivan and 1 more3 hr
May 1, 10:55 PM EDTSpecial Weather StatementCTPJuniata, Perry, Snyder65 min
May 1, 11:55 PM EDTSpecial Weather StatementCTPColumbia, Dauphin, Northumberland, Perry, Schuylkill80 min

Nearby

Wind Advisories in Pennsylvania, 2017Every wind advisory in 2017

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.