Alert archive / Pennsylvania / Special Weather Statements in 2021

Special Weather Statement, NWS State College, PA

July 7, 2021Somerset County, Pennsylvania

NWS State College, PA issued this special weather statement at Jul 7, 2021, 4:12 PM EDT for Somerset County, Pennsylvania. It was in force for 33 min. 4 reports 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 7, 2021, 4:12 PM EDT (20:12 UTC)
Expired: Jul 7, 2021, 4:45 PM EDT
In force: 33 min
Issued by: NWS State College, PA

County Somerset County, PA

The radar

The State College radar (KCCX), 123 km from the middle of the area, began a volume at 20:14 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

Time	Report	Where	Remark
Jul 7, 4:32 PM EDT	TSTM WND DMG	4 Ene Berlin, PA	TREES DOWN ON WIRES ON GLADES PIKE.
Jul 7, 4:32 PM EDT	TSTM WND DMG	4 Ene Berlin, PA
Jul 7, 4:44 PM EDT	TSTM WND DMG	3 Ese Shanksville, PA	TREES DOWN ON WIRES.
Jul 7, 4:44 PM EDT	TSTM WND DMG	3 Ese Shanksville, PA

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 8.2 hours before the alert went out and 114 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 505 J/kg
Mixed-layer CIN: -47 J/kg
Mixed-layer LCL: 1230 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 36 m²/s²
0-3 km storm-relative helicity: 53 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

674 
WWUS81 KCTP 072012
SPSCTP

Special Weather Statement
National Weather Service State College PA
412 PM EDT Wed Jul 7 2021
 
PAZ033-072045-
Somerset PA-
412 PM EDT Wed Jul 7 2021

...A STRONG THUNDERSTORM WILL AFFECT PARTS OF SOMERSET COUNTY UNTIL
445 PM EDT...

At 412 PM EDT, Doppler radar indicated a strong thunderstorm near
Berlin, moving north at 30 mph.

Penny size hail and wind gusts of 50 to 55 mph are possible.

Locations impacted include...
Windber, Berlin, Friedens, Boswell, Davidsville, Central City,
Jerome, Jennerstown, Hooversville, Indian Lake, Stoystown,
Shanksville, Benson, New Baltimore, Callimont and Flight 93 National
Memorial.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4024 7906 4024 7871 4009 7873 4006 7876
      3982 7875 3976 7879 3976 7900
TIME...MOT...LOC 2012Z 179DEG 28KT 3984 7889 

$$

Jurewicz

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 7, 3:35 PM EDT	Special Weather Statement	CTP	Fulton	40 min
Jul 7, 4:00 PM EDT	Special Weather Statement	CTP	Warren	45 min
Jul 7, 4:05 PM EDT	Special Weather Statement	CTP	Somerset	25 min
Jul 7, 4:12 PM EDT	Severe Thunderstorm Warning	CTP	Cambria, Somerset	47 min
Jul 7, 4:22 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Somerset	38 min
Jul 7, 4:44 PM EDT	Severe Thunderstorm Warning	CTP	Cambria	61 min
Jul 7, 4:46 PM EDT	Special Weather Statement	CTP	Warren	29 min
Jul 7, 4:48 PM EDT	Special Weather Statement	CTP	Bedford	27 min
Jul 7, 4:54 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Somerset	51 min
Jul 7, 4:59 PM EDT	Special Weather Statement	CTP	Warren	31 min
Jul 7, 5:07 PM EDT	Severe Thunderstorm Warning	CTP	McKean, Warren	53 min
Jul 7, 5:12 PM EDT	Special Weather Statement	CTP	Blair	33 min
Jul 7, 5:19 PM EDT	Severe Thunderstorm Warning	CTP	Blair	41 min
Jul 7, 5:23 PM EDT	Severe Thunderstorm Warning	CTP	Bedford	37 min
Jul 7, 5:27 PM EDT	Special Weather Statement	CTP	Clearfield	33 min
Jul 7, 5:35 PM EDT	Severe Thunderstorm Warning	CTP	Blair	25 min
Jul 7, 5:38 PM EDT	Special Weather Statement	CTP	Warren	37 min
Jul 7, 5:42 PM EDT	Special Weather Statement	CTP	Cumberland	33 min
Jul 7, 5:48 PM EDT	Severe Thunderstorm Warning	CTP	Blair, Huntingdon	57 min
Jul 7, 5:50 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Franklin	40 min
Jul 7, 5:55 PM EDT	Severe Thunderstorm Warning	CTP	McKean	65 min
Jul 7, 6:00 PM EDT	Special Weather Statement	CTP	Elk	30 min
Jul 7, 6:12 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Clearfield, Huntingdon	48 min
Jul 7, 6:22 PM EDT	Special Weather Statement	CTP	Mifflin	23 min
Jul 7, 6:29 PM EDT	Severe Thunderstorm Warning	CTP	Warren	61 min
Jul 7, 6:36 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Clearfield, Clinton, Mifflin	39 min
Jul 7, 6:37 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Franklin, Perry	37 min
Jul 7, 6:43 PM EDT	Severe Thunderstorm Warning	CTP	McKean, Potter	77 min
Jul 7, 6:56 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Clinton, Mifflin, Snyder, Union	49 min
Jul 7, 7:09 PM EDT	Severe Thunderstorm Warning	CTP	Juniata, Mifflin, Snyder	36 min
Jul 7, 7:19 PM EDT	Areal Flood Advisory	CTP	Warren	116 min
Jul 7, 7:31 PM EDT	Severe Thunderstorm Warning	CTP	Clinton, Lycoming, Montour, Northumberland, Union	44 min
Jul 7, 7:44 PM EDT	Areal Flood Advisory	CTP	McKean, Potter	2 hr
Jul 7, 7:48 PM EDT	Special Weather Statement	CTP	Bedford	27 min
Jul 7, 7:50 PM EDT	Special Weather Statement	CTP	Tioga	10 min
Jul 7, 7:51 PM EDT	Special Weather Statement	CTP	Potter	24 min

Nearby

Special Weather Statements in Pennsylvania, 2021 Every special weather statement 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.