Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 248, NWS Pittsburgh, PA

June 30, 1998Indiana County, Pennsylvania

NWS Pittsburgh, PA issued this severe thunderstorm warning at Jun 30, 1998, 3:25 PM EDT for Indiana County, Pennsylvania. It was in force for 60 min. 3 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 30, 1998, 3:25 PM EDT (19:25 UTC)
Expired: Jun 30, 1998, 4:25 PM EDT
In force: 60 min
Issued by: NWS Pittsburgh, PA
Area: Whole counties

County Indiana County, PA

The radar

The State College radar (KCCX), 96 km from the middle of the area, began a volume at 19:25 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 30, 3:38 PM EDT	Thunderstorm Wind	Indiana, PA	Thunderstorm winds blew a large tree onto a house.
Jun 30, 3:45 PM EDT	Thunderstorm Wind	Indiana, PA	Thunderstorm winds downed several trees.
Jun 30, 3:54 PM EDT	Thunderstorm Wind	Blairsville, PA	Thunderstorm winds blew a tree onto a car.

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.

Issued	Product	Office	Lasted
Jun 30, 1:30 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 7.4 hours before the alert went out and 90 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: 222 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 523 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 249 m²/s²
0-3 km storm-relative helicity: 251 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.5

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, Jun 30, 1:58 PM EDT, 1 hour 27 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
158 PM EDT TUE JUN 30 1998

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

0156 PM    1 S MINERVA               OH   WIND DAMAGE
06/30/98   CARROLL                        60MPH WINDS

Local storm report, Jun 30, 2:05 PM EDT, 1 hour 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
205 PM EDT TUE JUN 30 1998

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

0155 PM    SALEM                     OH   .75 INCH HAIL
06/30/98   COLUMBIANA

Local storm report, Jun 30, 2:11 PM EDT, 1 hour 14 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
211 PM EDT TUE JUN 30 1998

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

0211 PM    NEW GARDEN                OH   1 INCH HAIL
06/30/98   COLUMBIANA                     2 E

Local storm report, Jun 30, 2:14 PM EDT, 1 hour 11 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
214 PM EDT TUE JUN 30 1998

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

0213 PM    SUMMITVILLE               OH   WIND DAMAGE
06/30/98   COLUMBIANA                     60 MPH GUSTS

Local storm report, Jun 30, 2:44 PM EDT, 41 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
244 PM EDT TUE JUN 30 1998

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

0224 PM    COLUMBIANA                OH   WIND DAMAGE
06/30/98   COLUMBIANA                     TREE DOWN.

0225 PM    LISBON                    OH   FLOODING
06/30/98   COLUMBIANA                     RT 30 ROAD FLOODING.

0232 PM    EAST LIVERPOOL            OH   WIND DAMAGE
06/30/98   COLUMBIANA                     TREES AND POWER LINES
                                          DOWN.

Local storm report, Jun 30, 3:17 PM EDT, 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
317 PM EDT TUE JUN 30 1998

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

0230 PM    STRATTON                  OH   WIND DAMAGE
06/30/98   JEFFERSON                      BUILDING DAMAGED.

0245 PM    SHIPPINGPORT              PA   .75 INCH HAIL
06/30/98   BEAVER                         2 SE

0248 PM    HOOKSTOWN                 PA   WIND DAMAGE
06/30/98   BEAVER                         2 TREES DOWN.

0248 PM    HOOKSTOWN                 PA   1 INCH HAIL
06/30/98   BEAVER

0254 PM    PITTSBURGH INTL ARPT      PA   WIND DAMAGE
06/30/98   ALLEGHENY                      62MH WINDS

0258 PM    IMPERIAL                  PA   WIND DAMAGE
06/30/98   ALLEGHENY                      TREES DOWN AND DAMAGE TO
                                          HOMES

0258 PM    IMPERIAL                  PA   1.75 INCH HAIL
06/30/98   ALLEGHENY

0259 PM    PITTSBURGH                PA   WIND DAMAGE
06/30/98   ALLEGHENY                      60 MPH WINDS NORTH PARK

0305 PM    PITTSBURGH                PA   .75 INCH HAIL
06/30/98   ALLEGHENY                      NORTH HILLS AREA

0305 PM    PITTSBURGH                PA   WIND DAMAGE
06/30/98   ALLEGHENY                      55 MPH WINDS NORTH HILLS.

0308 PM    BUTLER                    PA   WIND DAMAGE
06/30/98   BUTLER                         LARGE TREE DOWN RTE 68.

0310 PM    PENN HILLS                PA   WIND DAMAGE
06/30/98   ALLEGHENY                      75 FOOT TREE RIPPED OUT OF
                                          GROUND.

0313 PM    OAKMONT                   PA   WIND DAMAGE
06/30/98   ALLEGHENY                      TREES DOWN. 60 MPH WINDS

0313 PM    SARVER                    PA   WIND DAMAGE
06/30/98   BUTLER                         LARGE TREE LIMBS DOWN.
                                          WINDS 65 MPH.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 29, 8:33 PM EDT	Tornado Warning	PBZ	Tuscarawas	57 min
Jun 29, 9:28 PM EDT	Tornado Warning	PBZ	Tuscarawas	32 min
Jun 29, 9:38 PM EDT	Severe Thunderstorm Warning	PBZ	Carroll, Harrison, Jefferson	72 min
Jun 29, 10:54 PM EDT	Flash Flood Warning	PBZ	Belmont, Carroll, Guernsey, Harrison, Jefferson, Tuscarawas	12 hr
Jun 29, 10:54 PM EDT	Flash Flood Warning	PBZ	Coshocton, Muskingum	12 hr
Jun 29, 10:54 PM EDT	Flash Flood Warning	PBZ	Monroe, Noble	12 hr
Jun 30, 10:40 AM EDT	Flash Flood Warning	PBZ	Belmont, Guernsey, Harrison, Monroe, Noble	5 hr
Jun 30, 10:40 AM EDT	Flash Flood Warning	PBZ	Coshocton, Tuscarawas	5 hr
Jun 30, 10:40 AM EDT	Flash Flood Warning	PBZ	Muskingum	5 hr
Jun 30, 1:41 PM EDT	Severe Thunderstorm Warning	PBZ	Columbiana	57 min
Jun 30, 1:49 PM EDT	Severe Thunderstorm Warning	PBZ	Carroll	61 min
Jun 30, 2:19 PM EDT	Flash Flood Warning	PBZ	Carroll, Columbiana, Jefferson	5 hr
Jun 30, 2:21 PM EDT	Severe Thunderstorm Warning	PBZ	Jefferson	59 min
Jun 30, 3:18 PM EDT	Flash Flood Warning	PBZ	Belmont, Carroll, Guernsey, Harrison, Jefferson, Tuscarawas	13 hr
Jun 30, 3:18 PM EDT	Flash Flood Warning	PBZ	Monroe, Noble	13 hr
Jun 30, 3:18 PM EDT	Flash Flood Warning	PBZ	Columbiana	13 hr
Jun 30, 3:18 PM EDT	Flash Flood Warning	PBZ	Coshocton, Muskingum	13 hr
Jun 30, 3:48 PM EDT	Severe Thunderstorm Warning	PBZ	Jefferson	42 min
Jun 30, 4:12 PM EDT	Severe Thunderstorm Warning	PBZ	Carroll, Tuscarawas	58 min
Jun 30, 1:06 AM EDT	Flash Flood Warning	PBZ	Greene	10 hr
Jun 30, 2:19 PM EDT	Flash Flood Warning	PBZ	Beaver	5 hr
Jun 30, 2:21 PM EDT	Severe Thunderstorm Warning	PBZ	Beaver	59 min
Jun 30, 2:39 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Butler	71 min
Jun 30, 2:55 PM EDT	Severe Thunderstorm Warning	PBZ	Washington	60 min
Jun 30, 3:05 PM EDT	Severe Thunderstorm Warning	PBZ	Westmoreland	75 min
Jun 30, 3:09 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong	61 min
Jun 30, 3:23 PM EDT	Flash Flood Warning	PBZ	Washington	5 hr
Jun 30, 4:35 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette	45 min
Jun 30, 4:47 PM EDT	Flash Flood Warning	PBZ	Fayette, Greene	3 hr
Jun 30, 5:42 PM EDT	Severe Thunderstorm Warning	PBZ	Preston	58 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 1998 Every 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.