Alert archive / Pennsylvania / Tornado Warnings in 2010

Tornado Warning 29, NWS Cleveland, OH

June 6, 2010Crawford County, Pennsylvania

NWS Cleveland, OH issued this tornado warning at Jun 6, 2010, 5:55 AM EDT for Crawford County, Pennsylvania. It was in force for 65 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
Jun 6, 2010, 5:55 AM EDT (09:55 UTC)
Expired
Jun 6, 2010, 7:00 AM EDT
In force
65 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

County Crawford County, PA

The radar

The Pittsburgh radar (KPBZ), 121 km from the middle of the area, began a volume at 09:57 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

TimeReportWhereRemark
Jun 6, 6:15 AM EDTTSTM WND DMG1 W Linesville, PANUMEROUS TREES DOWN.
Jun 6, 6:45 AM EDTTSTM WND DMG6 S Spartansburg, PATREES DOWN, DAMAGE TO FEW BUILDINGS. POSSIBLE TORNADO

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.

IssuedProductOfficeLasted
Jun 6, 2:03 AM EDTTornado WatchSPC7 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 9.9 hours before the alert went out and 133 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-pSkew-T log-p diagram, Pittsburgh, PA at 00:00Z on 2010-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 586 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 00:00Z on 2010-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
586 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
689 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
80 m²/s²
0-3 km storm-relative helicity
90 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

468 
WFUS51 KCLE 060955
TORCLE
PAC039-061100-
/O.NEW.KCLE.TO.W.0029.100606T0955Z-100606T1100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
555 AM EDT SUN JUN 6 2010

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* TORNADO WARNING FOR...
  CRAWFORD COUNTY IN NORTHWEST PENNSYLVANIA

* UNTIL 700 AM EDT

* AT 552 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 7 MILES WEST OF ANDOVER...OR 12 MILES SOUTH OF
  JEFFERSON...AND MOVING EAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  LINESVILLE...
  MEADVILLE...
  TITUSVILLE...

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 4161 7963 4162 7982 4152 7998 4148 8001
      4149 8051 4150 8053 4175 8052 4182 7962
      4162 7962
TIME...MOT...LOC 0955Z 271DEG 47KT 4157 8065

$$

LAPLANTE
2 follow-up statements
050 
WWUS51 KCLE 061039
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
639 AM EDT SUN JUN 6 2010

PAC039-061100-
/O.CON.KCLE.TO.W.0029.000000T0000Z-100606T1100Z/
CRAWFORD PA-
639 AM EDT SUN JUN 6 2010

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 AM EDT FOR EASTERN
CRAWFORD COUNTY IN NORTHWEST PENNSYLVANIA...

AT 633 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS 
STORM WAS LOCATED 10 MILES SOUTHEAST OF MEADVILLE...MOVING EAST AT 
55 MPH.

LOCATIONS NEAR THE PATH OF THE TORNADO INCLUDE...TITUSVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. OTHERWISE...SEEK
SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR
ROOM SUCH AS A CLOSET.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 AM EDT SUNDAY MORNING FOR
NORTHERN OHIO AND NORTHWEST PENNSYLVANIA.

&&

LAT...LON 4161 7963 4162 7982 4152 7998 4148 8001
      4148 8015 4178 8019 4182 7962 4162 7962
TIME...MOT...LOC 1038Z 271DEG 47KT 4156 7990

$$

MITCHELL
569 
WWUS51 KCLE 061058
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
658 AM EDT SUN JUN 6 2010

PAC039-061109-
/O.EXP.KCLE.TO.W.0029.000000T0000Z-100606T1100Z/
CRAWFORD PA-
658 AM EDT SUN JUN 6 2010

...THE TORNADO WARNING FOR EASTERN CRAWFORD COUNTY IN NORTHWEST
PENNSYLVANIA EXPIRES AT 700 AM EDT...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 AM EDT SUNDAY MORNING FOR
NORTHERN OHIO AND NORTHWEST PENNSYLVANIA.

LAT...LON 4161 7963 4162 7982 4152 7998 4148 8001
      4148 8015 4178 8019 4182 7962 4162 7962
TIME...MOT...LOC 1059Z 271DEG 47KT 4155 7953

$$

FITZ

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 2:13 AM EDTFlash Flood WarningCLEErie5 hr
Jun 6, 2:40 AM EDTSevere Thunderstorm WarningCLEErie50 min
Jun 6, 4:11 AM EDTCoastal Flood StatementCLEErie16 hr
Jun 6, 6:25 AM EDTTornado WarningCLEErie12 min

Nearby

Tornado Warnings in Pennsylvania, 2010Every tornado warning in 2010Tornadoes in 2010

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.