Alert archive / Pennsylvania / Wind Advisories in 2021

Wind Advisory 4, NWS State College, PA

October 28, 2021Cambria County, Somerset County, Pennsylvania

NWS State College, PA issued this wind advisory at Oct 28, 2021, 1:58 PM EDT for Cambria County, Somerset County, Pennsylvania. It took effect at Oct 28, 2021, 8:00 PM EDT. It was in force for 21 hr.

The area

The counties it named.

The facts

Issued
Oct 28, 2021, 1:58 PM EDT (17:58 UTC)
In effect from
Oct 28, 2021, 8:00 PM EDT
Expired
Oct 29, 2021, 5:16 PM EDT
In force
21 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 17:58 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 (KPIT), launched 12:00Z, 6.0 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 12:00Z on 2021-10-28Temperature 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 12:00Z on 2021-10-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 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
1070 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
104 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

056 
WWUS71 KCTP 281758
NPWCTP

URGENT - WEATHER MESSAGE
National Weather Service State College PA
158 PM EDT Thu Oct 28 2021

PAZ024-033-291200-
/O.NEW.KCTP.WI.Y.0004.211029T0000Z-211030T0000Z/
Cambria-Somerset-
Including the cities of Johnstown and Somerset
158 PM EDT Thu Oct 28 2021

...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 PM EDT
FRIDAY...

* WHAT...East winds 15 to 25 mph with gusts 45 to 50 mph 
  expected.

* WHERE...Cambria and Somerset Counties especially elevations
  above 2000 ft. 

* WHEN...From 8 PM this evening to 8 PM EDT Friday. The maximum
  wind gusts are expected Friday morning into the early afternoon.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

For high wind safety information, visit weather.gov/safety/wind.

&&

$$
MRS/ANW/WEG 

For more information from the National Weather Service visit
http://weather.gov/ctp
3 follow-up statements
402 
WWUS71 KCTP 290241
NPWCTP

URGENT - WEATHER MESSAGE
National Weather Service State College PA
1041 PM EDT Thu Oct 28 2021

PAZ024-033-291445-
/O.CON.KCTP.WI.Y.0004.000000T0000Z-211030T0000Z/
Cambria-Somerset-
Including the cities of Johnstown and Somerset
1041 PM EDT Thu Oct 28 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT FRIDAY...

* WHAT...East winds 15 to 25 mph with gusts up to 50 mph.

* WHERE...Cambria and Somerset Counties.

* WHEN...Until 8 PM EDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

For high wind safety information, visit weather.gov/wind.

The latest forecast information can be found on the
NWS State College Facebook page and Twitter @NWSStateCollege,
or on the web at weather.gov/ctp.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/ctp
842 
WWUS71 KCTP 291128
NPWCTP

URGENT - WEATHER MESSAGE
National Weather Service State College PA
728 AM EDT Fri Oct 29 2021

PAZ024-033-300000-
/O.CON.KCTP.WI.Y.0004.000000T0000Z-211030T0000Z/
Cambria-Somerset-
Including the cities of Johnstown and Somerset
728 AM EDT Fri Oct 29 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING...

* WHAT...East winds 15 to 25 mph with gusts up to 50 mph, mainly  
  on the ridgetops.

* WHERE...Cambria and Somerset Counties.

* WHEN...Until 8 PM EDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

For high wind safety information, visit weather.gov/wind.

The latest forecast information can be found on the NWS State
College Facebook page and Twitter @NWSStateCollege, or on the web
at weather.gov/ctp.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/ctp
203 
WWUS71 KCTP 292116
NPWCTP

URGENT - WEATHER MESSAGE
National Weather Service State College PA
516 PM EDT Fri Oct 29 2021

PAZ024-033-292230-
/O.CAN.KCTP.WI.Y.0004.000000T0000Z-211030T0000Z/
Cambria-Somerset-
Including the cities of Johnstown and Somerset
516 PM EDT Fri Oct 29 2021

...WIND ADVISORY IS CANCELLED...

Winds speeds have decreased to below Wind Advisory criteria. Wind
gusts of 20-25 mph are expected through the rest of the evening
before diminishing further after midnight. 

$$

For more information from the National Weather Service visit
http://weather.gov/ctp

Colbert

Nearby

Wind Advisories in Pennsylvania, 2021Every wind advisory in 2021

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.