Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 232, NWS Pittsburgh, PA

June 28, 1998Greene County, Pennsylvania; Monongalia County, West Virginia

NWS Pittsburgh, PA issued this severe thunderstorm warning at Jun 28, 1998, 9:20 PM EDT for Greene County, Pennsylvania; Monongalia County, West Virginia. It was in force for 70 min. 4 reports 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
Jun 28, 1998, 9:20 PM EDT (01:20 UTC)
Expired
Jun 28, 1998, 10:30 PM EDT
In force
70 min
Issued by
NWS Pittsburgh, PA
Area
Whole counties

Counties Greene County, PA, Monongalia County, WV

The radar

The Pittsburgh radar (KPBZ), 88 km from the middle of the area, began a volume at 01:22 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 28, 9:30 PM EDTThunderstorm WindCountywide, PAThunderstorm winds downed numerous trees and power lines across the county.
Jun 28, 10:00 PM EDTThunderstorm WindCountywide, WVSeveral trees were downed by thunderstorm winds.
Jun 28, 10:00 PM EDTThunderstorm WindMorgantown, WVThunderstorm winds downed several trees. Minor damage was reported to several trailers and one house.
Jun 28, 10:15 PM EDTThunderstorm WindBlacksville, WVThunderstorm winds blew a large tree onto a moving vehicle. No injuries were reported.

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 watch it was issued in

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

IssuedProductOfficeLasted
Jun 28, 5:00 PM EDTSevere Thunderstorm WatchSPC6 hr
Jun 28, 9:00 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 1.3 hours before the alert went out and 74 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 1998-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2035 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 1998-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 154 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
2035 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
656 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
154 m²/s²
0-3 km storm-relative helicity
231 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.6

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

Special weather statement, Jun 28, 5:20 PM EDT, 4 hours before
OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>015-020>022-
029>032-WVZ001>004-012-021-022-290300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
520 PM EDT SUN JUN 28 1998

...SEVERE THUNDERSTORM WATCH UNTIL 11 PM...

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A SEVERE
THUNDERSTORM WATCH UNTIL 11 PM FOR THE FOLLOWING COUNTIES...

IN WESTERN PENNSYLVANIA...
ALLEGHENY... ARMSTRONG... BEAVER... BUTLER... CLARION... FAYETTE...
FOREST... GREENE...  LAWRENCE... MERCER... VENANGO... WASHINGTON
AND WESTMORELAND.

IN NORTHERN WEST VIRGINIA...
BROOKE... HANCOCK... OHIO... MARION... MARSHALL... MONONGALIA AND
WETZEL.

IN EAST CENTRAL OHIO...
BELMONT... CARROL... COLUMBIANA... COSHOCTON... GUERNSEY...
HARRISON... JEFFERSON... MONROE... MUSKINGUM... NOBLE AND
TUSCARAWAS.

IN AND NEAR THE WATCH AREA THE FOLLOWING MAY OCCUR... WINDS GUSTS
TO 80 MPH... HAIL UP TO 2 INCHES IN DIAMETER... FREQUENT
LIGHTNING... AND TORRENTIAL RAINFALL.

ANOTHER ROUND OF STRONG THUNDERSTORMS IS BEGINNING TO FORM
ACROSS NORTHWEST AND NORTHCENTRAL OHIO.  THESE STORMS ARE MOVING
TO THE EAST-SOUTHEAST AND ARE EXPECTED TO AFFECT EAST CENTRAL OHIO...
WESTERN PENNSYLVANIA...AND NORTHERN SECTIONS OF WEST VIRGINIA
THROUGH THE EVENING HOURS.

STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR POSSIBLE
WARNINGS.

STRAGER
Special weather statement, Jun 28, 5:20 PM EDT, 4 hours before
OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>015-020>022-
029>032-WVZ001>004-012-021-022-290300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
520 PM EDT SUN JUN 28 1998

...SEVERE THUNDERSTORM WATCH UNTIL 11 PM...

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A SEVERE
THUNDERSTORM WATCH UNTIL 11 PM FOR THE FOLLOWING COUNTIES...

IN WESTERN PENNSYLVANIA...
ALLEGHENY... ARMSTRONG... BEAVER... BUTLER... CLARION... FAYETTE...
FOREST... GREENE...  LAWRENCE... MERCER... VENANGO... WASHINGTON
AND WESTMORELAND.

IN NORTHERN WEST VIRGINIA...
BROOKE... HANCOCK... OHIO... MARION... MARSHALL... MONONGALIA AND
WETZEL.

IN EAST CENTRAL OHIO...
BELMONT... CARROL... COLUMBIANA... COSHOCTON... GUERNSEY...
HARRISON... JEFFERSON... MONROE... MUSKINGUM... NOBLE AND
TUSCARAWAS.

IN AND NEAR THE WATCH AREA THE FOLLOWING MAY OCCUR... WINDS GUSTS
TO 80 MPH... HAIL UP TO 2 INCHES IN DIAMETER... FREQUENT
LIGHTNING... AND TORRENTIAL RAINFALL.

ANOTHER ROUND OF STRONG THUNDERSTORMS IS BEGINNING TO FORM
ACROSS NORTHWEST AND NORTHCENTRAL OHIO.  THESE STORMS ARE MOVING
TO THE EAST-SOUTHEAST AND ARE EXPECTED TO AFFECT EAST CENTRAL OHIO...
WESTERN PENNSYLVANIA...AND NORTHERN SECTIONS OF WEST VIRGINIA
THROUGH THE EVENING HOURS.

STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR POSSIBLE
WARNINGS.

STRAGER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 8:17 PM EDTSevere Thunderstorm WarningPBZGuernsey58 min
Jun 28, 8:49 PM EDTFlash Flood WarningPBZJefferson4 hr
Jun 28, 8:50 PM EDTSevere Thunderstorm WarningPBZNoble55 min
Jun 28, 8:54 PM EDTSevere Thunderstorm WarningPBZMonroe61 min
Jun 28, 9:47 PM EDTFlash Flood WarningPBZCoshocton, Guernsey, Muskingum, Noble13 hr
Jun 28, 9:47 PM EDTFlash Flood WarningPBZBelmont, Harrison, Monroe13 hr
Jun 28, 9:47 PM EDTFlash Flood WarningPBZTuscarawas13 hr
Jun 29, 5:24 AM EDTSevere Thunderstorm WarningPBZTuscarawas51 min
Jun 29, 5:33 AM EDTSevere Thunderstorm WarningPBZCarroll42 min
Jun 29, 10:04 AM EDTFlash Flood WarningPBZCoshocton, Guernsey, Muskingum, Tuscarawas13 hr
Jun 29, 10:04 AM EDTFlash Flood WarningPBZBelmont, Monroe, Noble13 hr
Jun 29, 10:04 AM EDTFlash Flood WarningPBZHarrison13 hr
Jun 29, 11:32 AM EDTSevere Thunderstorm WarningPBZCarroll, Tuscarawas43 min
Jun 29, 7:32 PM EDTFlash Flood WarningPBZCarroll, Jefferson3 hr
Jun 28, 8:36 PM EDTSevere Thunderstorm WarningPBZWashington74 min
Jun 28, 8:40 PM EDTTornado WarningPBZWashington60 min
Jun 28, 9:25 PM EDTFlash Flood WarningPBZGreene4 hr
Jun 28, 9:44 PM EDTSevere Thunderstorm WarningPBZFayette61 min
Jun 28, 8:34 PM EDTSevere Thunderstorm WarningPBZBrooke, Ohio41 min
Jun 28, 9:58 PM EDTSevere Thunderstorm WarningPBZPreston62 min
Jun 28, 10:23 PM EDTFlash Flood WarningPBZMarion6 hr
Jun 28, 10:23 PM EDTFlash Flood WarningPBZPreston6 hr
Jun 28, 10:36 PM EDTSevere Thunderstorm WarningPBZTucker59 min
Jun 28, 10:38 PM EDTFlash Flood WarningPBZTucker5 hr
Jun 29, 8:26 AM EDTFlash Flood WarningPBZMarshall3 hr
Jun 29, 1:09 PM EDTFlash Flood WarningPBZWetzel5 hr

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 1998Severe Thunderstorm Warnings in West Virginia, 1998Every severe thunderstorm warning in 1998

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.