Alert archive / West Virginia / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 135, NWS Pittsburgh, PA

August 17, 1997Ohio County, West Virginia

NWS Pittsburgh, PA issued this severe thunderstorm warning at Aug 17, 1997, 4:54 PM EDT for Ohio County, West Virginia. It was in force for 51 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 17, 1997, 4:54 PM EDT (20:54 UTC)
Expired
Aug 17, 1997, 5:45 PM EDT
In force
51 min
Issued by
NWS Pittsburgh, PA
Area
Whole counties

County Ohio County, WV

The radar

The Pittsburgh radar (KPBZ), 59 km from the middle of the area, began a volume at 20:56 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
Aug 17, 5:00 PM EDTThunderstorm WindWheeling, WVThunderstorm winds downed a tree and some large limbs.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 8.9 hours before the alert went out and 56 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 12:00Z on 1997-08-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 1997-08-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
901 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
221 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Aug 17, 2:58 PM EDT, 1 hour 56 minutes before
STORM REPORT      .........CORRECTED........
NATIONAL WEATHER SERVICE PITTSBURGH PA
100 AM EDT SUN AUG 17 1997

TIME(EST)  ....CITY LOCATION....     STATE...EVENT/REMARKS...
           ...COUNTY LOCATION...

0612 PM    DERRY                     PA   TORNADO
08/15/97   WESTMORELAND                   ***0 DEAD, 6 MINOR INJ***
                                          PATH LENGTH 3.5 MILES.
                                          AVERAGE WIDTH 100 YARDS.
                                          WINDS ESTIMATED BETWEEN 90 MPH
                                          AND 120 MPH. ATTAINED WEAK F2
                                          STATUS FOR BRIEF PORTION OF
                                          ITS LIFE. PATH EXTENDED FROM
                                          APPROXIMATELY 1 MILE WEST OF
                                          DERRY TO 0.75 NORTHEAST OF
                                          MILLWOOD. APPROXIMATELLY 7-8
                                          MOBILE HOMES WERE DESTROYED
                                          (2-3 WERE COMPLETELY
                                          DESTROYED). 10-12 MOBILE
                                          HOMES WITH MAJOR DAMAGE
                                          AND ANOTHER 15 TO 18 WITH
                                          MINOR DAMAGE. 4 SEPARATE
                                          MOBILE HOME PARKS WERE
                                          AFFECTED. 1 CHURCH DESTROYED.
                                          1 FRAME HOUSE WITH MAJOR
                                          DAMAGE. 1 BUSINESS LOST ROOF.
                                          NUMEROUS TREES DOWN BOTH
                                          UPROOTED AND SNAPPED OFF.
                                          HIGH SCHOOL STADIUM BLEACHERS
                                          COMPLETELY DESTROYED.

0600 PM    LATROBE                   PA   WIND DAMAGE
08/15/97   WESTMORELAND                   TREES DOWN. SHED DESTROYED.
                                          AWNINGS.

CORRECTED TO CHANGE WIDTH TO 100 YARDS AND 6 MINOR INJURIES VERSUS 2.

KANE

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 16, 8:14 PM EDTSevere Thunderstorm WarningPBZIndiana61 min
Aug 16, 8:24 PM EDTSevere Thunderstorm WarningPBZAllegheny, Armstrong66 min
Aug 16, 8:45 PM EDTSevere Thunderstorm WarningPBZWashington90 min
Aug 16, 8:48 PM EDTSevere Thunderstorm WarningPBZBeaver27 min
Aug 16, 9:15 PM EDTSevere Thunderstorm WarningPBZFayette, Westmoreland2 hr
Aug 16, 9:28 PM EDTSevere Thunderstorm WarningPBZGreene2 hr
Aug 16, 9:34 PM EDTSevere Thunderstorm WarningPBZAllegheny26 min
Aug 17, 5:29 PM EDTSevere Thunderstorm WarningPBZWestmoreland61 min
Aug 16, 8:18 PM EDTSevere Thunderstorm WarningPBZJefferson57 min
Aug 16, 9:03 PM EDTSevere Thunderstorm WarningPBZBelmont, Guernsey42 min
Aug 16, 9:03 PM EDTSevere Thunderstorm WarningPBZMuskingum42 min
Aug 16, 9:28 PM EDTSevere Thunderstorm WarningPBZMonroe, Noble2 hr
Aug 17, 6:05 PM EDTFlash Flood WarningPBZBelmont4 hr
Aug 17, 6:05 PM EDTFlash Flood WarningPBZGuernsey4 hr
Aug 16, 8:42 PM EDTSevere Thunderstorm WarningPBZBrooke33 min
Aug 16, 9:08 PM EDTSevere Thunderstorm WarningPBZMarshall, Ohio67 min
Aug 16, 10:07 PM EDTSevere Thunderstorm WarningPBZWetzel68 min
Aug 16, 10:30 PM EDTSevere Thunderstorm WarningPBZMonongalia60 min
Aug 16, 10:52 PM EDTSevere Thunderstorm WarningPBZPreston98 min
Aug 16, 11:41 PM EDTSevere Thunderstorm WarningPBZTucker64 min
Aug 17, 3:50 PM EDTSevere Thunderstorm WarningPBZOhio25 min

Nearby

Severe Thunderstorm Warnings in West Virginia, 1997Every severe thunderstorm warning in 1997

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.