Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 1, NWS State College, PA

May 26, 2021Clearfield County, Elk County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at May 26, 2021, 1:23 PM EDT for Clearfield County, Elk County, Pennsylvania. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 26, 2021, 1:23 PM EDT (17:23 UTC)
Expired: May 26, 2021, 2:04 PM EDT
In force: 41 min
Issued by: NWS State College, PA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Clearfield County, PA, Elk County, PA

The radar

The State College radar (KCCX), 58 km from the middle of the area, began a volume at 17:24 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 26, 12:59 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 5.4 hours before the alert went out and 163 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: 71 J/kg
Mixed-layer CIN: -98 J/kg
Mixed-layer LCL: 1654 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 146 m²/s²
0-3 km storm-relative helicity: 137 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

609 
WUUS51 KCTP 261723
SVRCTP
PAC033-047-261830-
/O.NEW.KCTP.SV.W.0001.210526T1723Z-210526T1830Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service State College PA
123 PM EDT Wed May 26 2021

The National Weather Service in State College PA has issued a

* Severe Thunderstorm Warning for...
  Southeastern Elk County in north central Pennsylvania...
  Northern Clearfield County in central Pennsylvania...

* Until 230 PM EDT.

* At 122 PM EDT, a severe thunderstorm was located over Brockport,
  moving east at 35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  DuBois, Penfield, Force, Benezette, Brockport, Parker Dam State
  Park, S.B. Elliot State Park, Medix Run, Hicks Run, Kersey,
  Weedville, Treasure Lake and Penn State Dubois.

For those driving on Interstate 80, this includes areas between the
Dubois and Penfield exits, specifically between mile markers 97 and
102...and from mile markers 106 to 109.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4144 7842 4140 7842 4140 7825 4123 7824
      4122 7820 4110 7818 4113 7880 4120 7877
      4120 7871 4123 7871 4123 7874 4126 7873
      4128 7877
TIME...MOT...LOC 1722Z 254DEG 29KT 4122 7874 

HAIL...<.75IN
WIND...60MPH
 
$$

Colbert/Travis

3 follow-up statements

893 
WWUS51 KCTP 261734
SVSCTP

Severe Weather Statement
National Weather Service State College PA
134 PM EDT Wed May 26 2021

PAC033-047-261830-
/O.CON.KCTP.SV.W.0001.000000T0000Z-210526T1830Z/
Elk PA-Clearfield PA-
134 PM EDT Wed May 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM EDT
FOR SOUTHEASTERN ELK AND NORTH CENTRAL CLEARFIELD COUNTIES...

At 134 PM EDT, a severe thunderstorm was located near Penfield,
moving east at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Penfield, Force, Benezette, Parker Dam State Park, Medix Run,
Brockport, Hicks Run and Weedville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4144 7842 4140 7842 4140 7825 4123 7824
      4122 7820 4116 7819 4121 7864 4122 7870
      4122 7871 4123 7871 4123 7874 4126 7873
      4132 7865
TIME...MOT...LOC 1734Z 254DEG 29KT 4124 7862 

HAIL...<.75IN
WIND...60MPH
 
$$

Colbert

335 
WWUS51 KCTP 261747
SVSCTP

Severe Weather Statement
National Weather Service State College PA
147 PM EDT Wed May 26 2021

PAC033-261757-
/O.CAN.KCTP.SV.W.0001.000000T0000Z-210526T1830Z/
Clearfield PA-
147 PM EDT Wed May 26 2021

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

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
central and north central Pennsylvania.

LAT...LON 4132 7825 4132 7824 4123 7824 4124 7851
      4126 7855 4133 7856 4140 7834 4140 7826
TIME...MOT...LOC 1747Z 253DEG 37KT 4131 7832 

$$

PAC047-261830-
/O.CON.KCTP.SV.W.0001.000000T0000Z-210526T1830Z/
Elk PA-
147 PM EDT Wed May 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM EDT
FOR SOUTHEASTERN ELK COUNTY...

At 147 PM EDT, a severe thunderstorm was located over Benezette,
moving east at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Force, Benezette, Medix Run, Hicks Run and Weedville. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4132 7825 4132 7824 4123 7824 4124 7851
      4126 7855 4133 7856 4140 7834 4140 7826
TIME...MOT...LOC 1747Z 253DEG 37KT 4131 7832 

HAIL...<.75IN
WIND...60MPH
 
$$

Colbert

366 
WWUS51 KCTP 261804
SVSCTP

Severe Weather Statement
National Weather Service State College PA
204 PM EDT Wed May 26 2021

PAC047-261813-
/O.CAN.KCTP.SV.W.0001.000000T0000Z-210526T1830Z/
Elk PA-
204 PM EDT Wed May 26 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ELK COUNTY IS
CANCELLED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
central and north central Pennsylvania.

LAT...LON 4132 7825 4132 7824 4123 7824 4124 7851
      4126 7855 4133 7856 4140 7834 4140 7826
TIME...MOT...LOC 1802Z 254DEG 29KT 4135 7815 

$$

Colbert

The office that day

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

Issued	Product	Office	Counties	Lasted
May 26, 12:38 PM EDT	Special Weather Statement	CTP	Cambria	52 min
May 26, 2:00 PM EDT	Special Weather Statement	CTP	Juniata	45 min
May 26, 2:07 PM EDT	Special Weather Statement	CTP	Franklin	23 min
May 26, 2:11 PM EDT	Special Weather Statement	CTP	Mifflin	49 min
May 26, 2:16 PM EDT	Severe Thunderstorm Warning	CTP	Juniata, Perry, Snyder	44 min
May 26, 2:31 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Lycoming, Sullivan	39 min
May 26, 2:33 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Juniata, Lebanon, Northumberland, Perry, Schuylkill and 1 more	57 min
May 26, 2:42 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Franklin, Perry	50 min
May 26, 2:46 PM EDT	Severe Thunderstorm Warning	CTP	Juniata, Mifflin, Snyder	20 min
May 26, 3:09 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Perry	51 min
May 26, 3:23 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Lebanon, Schuylkill	82 min
May 26, 3:35 PM EDT	Severe Thunderstorm Warning	CTP	Adams	44 min
May 26, 3:51 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Lancaster, Lebanon	54 min
May 26, 4:03 PM EDT	Special Weather Statement	CTP	Lancaster, York	27 min
May 26, 4:37 PM EDT	Special Weather Statement	CTP	Lancaster	23 min
May 26, 4:47 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster	43 min
May 26, 5:00 PM EDT	Special Weather Statement	CTP	Adams	30 min
May 26, 5:02 PM EDT	Special Weather Statement	CTP	Lancaster	28 min
May 26, 5:17 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Cumberland, York	43 min
May 26, 5:29 PM EDT	Special Weather Statement	CTP	Lancaster	16 min
May 26, 5:37 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster	23 min
May 26, 6:13 PM EDT	Special Weather Statement	CTP	Cambria	32 min
May 26, 6:30 PM EDT	Severe Thunderstorm Warning	CTP	Cambria	15 min
May 26, 6:35 PM EDT	Special Weather Statement	CTP	Lebanon	25 min
May 26, 6:44 PM EDT	Severe Thunderstorm Warning	CTP	Blair	37 min
May 26, 7:09 PM EDT	Special Weather Statement	CTP	Huntingdon	36 min
May 26, 7:22 PM EDT	Special Weather Statement	CTP	Lancaster	23 min
May 26, 7:32 PM EDT	Special Weather Statement	CTP	Mifflin	13 min
May 26, 7:42 PM EDT	Special Weather Statement	CTP	Juniata, Mifflin	33 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.