Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 165, NWS State College, PA

July 16, 2021Clinton County, Lycoming County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Jul 16, 2021, 5:13 PM EDT for Clinton County, Lycoming County, Pennsylvania. It was in force for 32 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 16, 2021, 5:13 PM EDT (21:13 UTC)
Expired: Jul 16, 2021, 5:45 PM EDT
In force: 32 min
Issued by: NWS State College, PA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Clinton County, PA, Lycoming County, PA

The radar

The State College radar (KCCX), 68 km from the middle of the area, began a volume at 21:16 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 16, 5:15 PM EDT	TSTM WND DMG	6 Wsw Cammal, PA	MULTIPLE LARGE TREES DOWN AND A TREE ON A HOUSE NEAR COYOTE RIDGE RD AND CHICKADEE LN.

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

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 9.2 hours before the alert went out and 207 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1011 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 45 m²/s²
0-3 km storm-relative helicity: 117 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

817 
WUUS51 KCTP 162113
SVRCTP
PAC035-081-162145-
/O.NEW.KCTP.SV.W.0165.210716T2113Z-210716T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service State College PA
513 PM EDT Fri Jul 16 2021

The National Weather Service in State College PA has issued a

* Severe Thunderstorm Warning for...
  West central Lycoming County in north central Pennsylvania...
  North central Clinton County in north central Pennsylvania...

* Until 545 PM EDT.

* At 511 PM EDT, a severe thunderstorm was located near Cammal,
  moving east at 25 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Waterville, English Center, Cammal, Little Pine State Park and
  Salladasburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4130 7759 4139 7757 4146 7716 4122 7713
TIME...MOT...LOC 2111Z 269DEG 24KT 4134 7752 

HAIL...0.75IN
WIND...60MPH
 
$$

Evanego

1 follow-up statement

655 
WWUS51 KCTP 162136
SVSCTP

Severe Weather Statement
National Weather Service State College PA
536 PM EDT Fri Jul 16 2021

PAC035-162146-
/O.CAN.KCTP.SV.W.0165.000000T0000Z-210716T2145Z/
Clinton PA-
536 PM EDT Fri Jul 16 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL CLINTON COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 4146 7716 4122 7713 4127 7742 4131 7747
      4134 7748 4142 7739
TIME...MOT...LOC 2136Z 269DEG 24KT 4134 7730 

$$

PAC081-162145-
/O.CON.KCTP.SV.W.0165.000000T0000Z-210716T2145Z/
Lycoming PA-
536 PM EDT Fri Jul 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR WEST CENTRAL LYCOMING COUNTY...

At 536 PM EDT, a severe thunderstorm was located near Little Pine
State Park, moving east at 30 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Waterville, English Center, Little Pine State Park and Salladasburg. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4146 7716 4122 7713 4127 7742 4131 7747
      4134 7748 4142 7739
TIME...MOT...LOC 2136Z 269DEG 24KT 4134 7730 

HAIL...0.75IN
WIND...60MPH
 
$$

Evanego

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 15, 9:40 PM EDT	Special Weather Statement	CTP	Warren	50 min
Jul 16, 1:22 PM EDT	Flood Watch	CTP	Cameron, Clinton, Elk, Lycoming, McKean, Potter and 3 more	21 min
Jul 16, 1:46 PM EDT	Flash Flood Watch	CTP	Adams, Cameron, Clinton, Columbia, Dauphin, Elk and 12 more	32 hr
Jul 16, 1:59 PM EDT	Special Weather Statement	CTP	Montour	31 min
Jul 16, 2:05 PM EDT	Areal Flood Advisory	CTP	Lycoming, Sullivan	2 hr
Jul 16, 2:18 PM EDT	Severe Thunderstorm Warning	CTP	McKean, Potter	42 min
Jul 16, 2:29 PM EDT	Special Weather Statement	CTP	Montour	31 min
Jul 16, 2:52 PM EDT	Special Weather Statement	CTP	Potter	23 min
Jul 16, 2:59 PM EDT	Areal Flood Advisory	CTP	Columbia, Montour, Northumberland	2 hr
Jul 16, 2:59 PM EDT	Special Weather Statement	CTP	Columbia	31 min
Jul 16, 3:14 PM EDT	Special Weather Statement	CTP	Potter	31 min
Jul 16, 3:19 PM EDT	Special Weather Statement	CTP	Montour	26 min
Jul 16, 3:22 PM EDT	Special Weather Statement	CTP	Juniata, Perry	38 min
Jul 16, 3:54 PM EDT	Special Weather Statement	CTP	Clearfield	36 min
Jul 16, 4:07 PM EDT	Special Weather Statement	CTP	Clearfield	38 min
Jul 16, 4:11 PM EDT	Severe Thunderstorm Warning	CTP	Clearfield	49 min
Jul 16, 4:18 PM EDT	Special Weather Statement	CTP	Tioga	42 min
Jul 16, 4:20 PM EDT	Flash Flood Warning	CTP	Columbia, Montour, Northumberland, Union	85 min
Jul 16, 4:29 PM EDT	Severe Thunderstorm Warning	CTP	Clearfield	46 min
Jul 16, 4:30 PM EDT	Severe Thunderstorm Warning	CTP	Tioga	45 min
Jul 16, 4:47 PM EDT	Severe Thunderstorm Warning	CTP	Lycoming	43 min
Jul 16, 4:57 PM EDT	Special Weather Statement	CTP	Clinton	33 min
Jul 16, 4:59 PM EDT	Areal Flood Advisory	CTP	Lycoming, Tioga	2 hr
Jul 16, 5:10 PM EDT	Areal Flood Advisory	CTP	Sullivan	3 hr
Jul 16, 5:25 PM EDT	Special Weather Statement	CTP	Carbon	20 min
Jul 16, 5:31 PM EDT	Flash Flood Warning	CTP	Sullivan	108 min
Jul 16, 5:32 PM EDT	Special Weather Statement	CTP	Clinton	28 min
Jul 16, 5:44 PM EDT	Special Weather Statement	CTP	Centre	31 min
Jul 16, 6:01 PM EDT	Special Weather Statement	CTP	Centre	29 min
Jul 16, 6:02 PM EDT	Severe Thunderstorm Warning	CTP	Sullivan	45 min
Jul 16, 6:31 PM EDT	Special Weather Statement	CTP	Union	29 min
Jul 16, 6:52 PM EDT	Special Weather Statement	CTP	Columbia	23 min
Jul 16, 6:57 PM EDT	Special Weather Statement	CTP	Union	33 min
Jul 16, 7:15 PM EDT	Areal Flood Advisory	CTP	Columbia, Lycoming, Montour, Northumberland, Snyder, Union	2 hr

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2021 Every severe thunderstorm warning 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.