Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 3, NWS State College, PA

May 26, 2021Columbia County, Lycoming County, Sullivan County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at May 26, 2021, 2:31 PM EDT for Columbia County, Lycoming County, Sullivan County, Pennsylvania. It was in force for 39 min. 2 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: May 26, 2021, 2:31 PM EDT (18:31 UTC)
Expired: May 26, 2021, 3:10 PM EDT
In force: 39 min
Issued by: NWS State College, PA
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

Counties Columbia County, PA, Lycoming County, PA, Sullivan County, PA

The radar

The Binghamton radar (KBGM), 112 km from the middle of the area, began a volume at 18:32 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
May 26, 2:33 PM EDT	TSTM WND DMG	Unityville, PA	NUMEROUS TREES REPORTED TO HAVE BEEN SNAPPED NEAR UNITYVILLE.
May 26, 2:45 PM EDT	HAIL 1	Benton, PA

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

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

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 6.5 hours before the alert went out and 267 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: 26 J/kg
Mixed-layer CIN: -100 J/kg
Mixed-layer LCL: 1679 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 105 m²/s²
0-3 km storm-relative helicity: 127 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

567 
WUUS51 KCTP 261831
SVRCTP
PAC037-081-113-261930-
/O.NEW.KCTP.SV.W.0003.210526T1831Z-210526T1930Z/

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

The National Weather Service in State College PA has issued a

* Severe Thunderstorm Warning for...
  East central Lycoming County in north central Pennsylvania...
  Northern Columbia County in central Pennsylvania...
  Southeastern Sullivan County in north central Pennsylvania...

* Until 330 PM EDT.

* At 231 PM EDT, a severe thunderstorm was located over Biggertown,
  moving east at 30 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Jamison City, Waller, Biggertown, Ricketts Glen State Park,
  Central, Benton and Stillwater.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4115 7654 4121 7661 4131 7660 4139 7628
      4137 7628 4131 7631 4120 7632 4116 7629
      4114 7629
TIME...MOT...LOC 1831Z 262DEG 25KT 4122 7651 

HAIL...0.88IN
WIND...60MPH
 
$$

Colbert

3 follow-up statements

087 
WWUS51 KCTP 261845
SVSCTP

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

PAC081-113-261855-
/O.CAN.KCTP.SV.W.0003.000000T0000Z-210526T1930Z/
Lycoming PA-Sullivan PA-
245 PM EDT Wed May 26 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL LYCOMING AND
SOUTHEASTERN SULLIVAN COUNTIES 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 4126 7632 4120 7632 4120 7642 4121 7652
      4131 7641 4131 7631
TIME...MOT...LOC 1845Z 262DEG 25KT 4123 7638 

$$

PAC037-261930-
/O.CON.KCTP.SV.W.0003.000000T0000Z-210526T1930Z/
Columbia PA-
245 PM EDT Wed May 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EDT
FOR NORTH CENTRAL COLUMBIA COUNTY...

At 245 PM EDT, a severe thunderstorm was located over Waller, moving
east at 30 mph.

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

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         trees, roofs, and siding.

Locations impacted include...
Jamison City, Waller, Central and Benton. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4126 7632 4120 7632 4120 7642 4121 7652
      4131 7641 4131 7631
TIME...MOT...LOC 1845Z 262DEG 25KT 4123 7638 

HAIL...1.00IN
WIND...60MPH
 
$$

Colbert

208 
WWUS51 KCTP 261855 RRA
SVSCTP

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

PAC037-261930-
/O.CON.KCTP.SV.W.0003.000000T0000Z-210526T1930Z/
Columbia PA-
255 PM EDT Wed May 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EDT
FOR NORTH CENTRAL COLUMBIA COUNTY...

At 255 PM EDT, a severe thunderstorm was located over Fairmount Spgs,
moving east at 35 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         trees, roofs, and siding.

Locations impacted include...
Jamison City and Central. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4126 7632 4120 7632 4120 7636 4124 7640
      4129 7638 4131 7631
TIME...MOT...LOC 1855Z 260DEG 31KT 4124 7633 

HAIL...1.25IN
WIND...60MPH
 
$$

Colbert

575 
WWUS51 KCTP 261910
SVSCTP

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

PAC037-261920-
/O.CAN.KCTP.SV.W.0003.000000T0000Z-210526T1930Z/
Columbia PA-
310 PM EDT Wed May 26 2021

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

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

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
State College PA.

LAT...LON 4126 7632 4120 7632 4120 7636 4124 7640
      4129 7638 4131 7631
TIME...MOT...LOC 1909Z 262DEG 25KT 4125 7619 

$$

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, 1:23 PM EDT	Severe Thunderstorm Warning	CTP	Clearfield, Elk	41 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, 2:33 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.