Alert archive / Pennsylvania / Tornado Warnings in 2011

Tornado Warning 16, NWS Cleveland, OH

June 4, 2011Erie County, Pennsylvania

NWS Cleveland, OH issued this tornado warning at Jun 4, 2011, 12:24 PM EDT for Erie County, Pennsylvania. It was in force for 38 min. 3 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: Jun 4, 2011, 12:24 PM EDT (16:24 UTC)
Expired: Jun 4, 2011, 1:02 PM EDT
In force: 38 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon

County Erie County, PA

The radar

The Buffalo radar (KBUF), 130 km from the middle of the area, began a volume at 16:25 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
Jun 4, 12:35 PM EDT	TSTM WND DMG	Waterford, PA	SOME TREES DOWN.
Jun 4, 12:35 PM EDT	HAIL 1	Waterford, PA
Jun 4, 12:40 PM EDT	TSTM WND DMG	Mill Village, PA	SOME TREES DOWN.

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, 4.4 hours before the alert went out and 131 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: 2167 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 85 m²/s²
0-3 km storm-relative helicity: 188 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

432 
WFUS51 KCLE 041624
TORCLE
PAC049-041715-
/O.NEW.KCLE.TO.W.0016.110604T1624Z-110604T1715Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1224 PM EDT SAT JUN 4 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN ERIE COUNTY IN NORTHWEST PENNSYLVANIA

* UNTIL 115 PM EDT

* AT 1221 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 6 MILES SOUTH OF ERIE...AND MOVING SOUTHEAST AT
  45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WATERFORD...
  UNION CITY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. IF NO
BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR CLOSET.

&&

PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE. 1-877-633-6772. WHEN YOU CAN DO SO SAFELY.

LAT...LON 4226 7975 4201 7975 4200 7961 4199 7960
      4187 7962 4185 8009 4204 8022 4225 7985
      4228 7976
TIME...MOT...LOC 1624Z 330DEG 39KT 4201 8005

$$

KIELTYKA

1 follow-up statement

457 
WWUS51 KCLE 041702
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
102 PM EDT SAT JUN 4 2011

PAC049-041708-
/O.CAN.KCLE.TO.W.0016.000000T0000Z-110604T1715Z/
ERIE PA-
102 PM EDT SAT JUN 4 2011

...THE TORNADO WARNING FOR EASTERN ERIE COUNTY IN NORTHWEST
PENNSYLVANIA IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA. THERE WERE REPORTS OF FUNNEL CLOUDS SOUTH SIDE OF ERIE
AROUND 1220 PM AND SEVERAL REPORTS OF LARGE HAIL RANGING FROM
INCH TO INCH THREE QUARTERS IN DIAMETER BETWEEN 1202 AND 1230 PM.
AT ERIE AND WATERFORD.

LAT...LON 4226 7975 4201 7975 4200 7961 4199 7960
      4187 7962 4185 8009 4204 8022 4225 7985
      4228 7976
TIME...MOT...LOC 1658Z 330DEG 39KT 4169 7980

$$

THOMPSON

The office that day

Everything else NWS Cleveland, OH issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 4, 12:02 PM EDT	Severe Thunderstorm Warning	CLE	Erie	58 min
Jun 4, 12:37 PM EDT	Severe Thunderstorm Warning	CLE	Crawford	38 min

Nearby

Tornado Warnings in Pennsylvania, 2011 Every tornado warning in 2011 Tornadoes in 2011

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.