Alert archive / Ohio / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 340, NWS Pittsburgh, PA

September 7, 1998Noble County, Ohio

NWS Pittsburgh, PA issued this severe thunderstorm warning at Sep 7, 1998, 4:23 PM EDT for Noble County, Ohio. It was in force for 57 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 7, 1998, 4:23 PM EDT (20:23 UTC)
Expired
Sep 7, 1998, 5:20 PM EDT
In force
57 min
Issued by
NWS Pittsburgh, PA
Area
Whole counties

County Noble County, OH

The radar

The Pittsburgh radar (KPBZ), 135 km from the middle of the area, began a volume at 20:26 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.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 8.4 hours before the alert went out and 136 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 1998-09-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1483 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 12:00Z on 1998-09-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 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
1483 J/kg
Mixed-layer CIN
-94 J/kg
Mixed-layer LCL
932 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
29 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KPIT 072023 RRA
SVRPIT
OHC121-072120-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PITTSBURGH PA
423 PM EDT MON SEP 7 1998

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NOBLE COUNTY IN EAST CENTRAL OHIO.

* UNTIL 520 PM EDT.

* AT 420 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES WEST OF BELLE VALLEY...MOVING EAST AT
  30 MPH.

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  BELLE VALLEY AT 430 PM.
  SARAHSVILLE AT 435 PM.

<<CALL TO ACTION>>DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO
INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS!

.END/

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, Sep 7, 11:05 AM EDT, 5 hours 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
1105 AM EDT MON SEP 7 1998

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

0815 AM    NEW WILMINGTON            PA   WIND DAMAGE
09/07/98   LAWRENCE                       LARGE LIMBS DOWN

0825 AM    LAFFERTY                  OH   WIND DAMAGE
09/07/98   BELMONT                        POWER LINES DOWN

0830 AM    ST CLAIRSVILLE            OH   WIND DAMAGE
09/07/98   BELMONT                        POWER LINES AND TREE DOWN

0835 AM    BEECHBOTTOM               WV   WIND DAMAGE
09/07/98   BROOKE                         LARGE LIMBS DOWN

0840 AM    BETHANY                   WV   WIND DAMAGE
09/07/98   BROOKE                         TREES AND LARGE LIMBS DOWN

0840 AM    ALIQUIPPA                 PA   WIND DAMAGE
09/07/98   BEAVER                         POWER LINE DOWN

0848 AM    HAYSVILLE                 PA   WIND DAMAGE
09/07/98   BUTLER                         TREE DOWN

0858 AM    BISHOP                    PA   WIND DAMAGE
09/07/98   WASHINGTON                     TREES DOWN
Local storm report, Sep 7, 11:05 AM EDT, 5 hours 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
1105 AM EDT MON SEP 7 1998

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

0815 AM    NEW WILMINGTON            PA   WIND DAMAGE
09/07/98   LAWRENCE                       LARGE LIMBS DOWN

0825 AM    LAFFERTY                  OH   WIND DAMAGE
09/07/98   BELMONT                        POWER LINES DOWN

0830 AM    ST CLAIRSVILLE            OH   WIND DAMAGE
09/07/98   BELMONT                        POWER LINES AND TREE DOWN

0835 AM    BEECHBOTTOM               WV   WIND DAMAGE
09/07/98   BROOKE                         LARGE LIMBS DOWN

0840 AM    BETHANY                   WV   WIND DAMAGE
09/07/98   BROOKE                         TREES AND LARGE LIMBS DOWN

0840 AM    ALIQUIPPA                 PA   WIND DAMAGE
09/07/98   BEAVER                         POWER LINE DOWN

0848 AM    HAYSVILLE                 PA   WIND DAMAGE
09/07/98   BUTLER                         TREE DOWN

0858 AM    BISHOP                    PA   WIND DAMAGE
09/07/98   WASHINGTON                     TREES DOWN
Local storm report, Sep 7, 12:53 PM EDT, 3 hours 30 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
1253 PM EDT MON SEP 07 1998

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

0758 AM    3 E SHARON                PA   WIND DAMAGE
09/07/98   MERCER                         TREES DOWN

0908 AM    LEEPER                    PA   WIND DAMAGE
09/07/98   CLARION                        TREE DOWN
Special weather statement, Sep 7, 12:53 PM EDT, 3 hours 30 minutes before
OHZ039>041-048>050-057>059-068-069-PAZ029-031-WVZ001>004-012-021-022-
072300-

SEVERE WEATHER POTENTIAL
NATIONAL WEATHER SERVICE PITTSBURGH PA
1253 PM EDT MON SEP 7 1998

...STRONG OR SEVERE THUNDERSTORMS ARE POSSIBLE AGAIN THIS AFTERNOON AND
EARLY EVENING ACROSS PARTS OF EXTREME SOUTHWEST PENNSYLVANIA...EAST
CENTRAL OHIO...NORTHERN WEST VIRGINIA AND GARRETT COUNTY MARYLAND...

THUNDERSTORMS WITH STRONG GUSTY WINDS...HAIL AND HEAVY DOWNPOURS MAY
REDEVELOP LATER THIS AFTERNOON OR EARLY EVENING AS A COLD FRONT SWEEPS
SOUTH THROUGH THE AREA.  THE MOST LIKELY AREA FOR THUNDERSTORMS TO
REDEVELOP IS ALONG AND SOUTH OF INTERSTATE 70.

THE MAIN THREAT FROM THESE STORMS SHOULD BE STRONG GUSTY THUNDERSTORM
WINDS EXCEEDING 40 MPH AND LARGE HAIL. FREQUENT LIGHTNING WILL
ACCOMPANY THESE STORMS.

STAY TUNED TO LOCAL MEDIA OR NOAA WEATHER RADIO FOR THE LATEST
FORECASTS AND UPDATES.  UPDATES ARE ALSO AVAILABLE ON OUR WEB SITE AT
WWW.NWS.NOAA.GOV/ER/PIT.

SKYWARN ACTIVATION IS POSSIBLE. PLEASE REPORT ANY HAIL OR WIND GUSTS OF
40 MPH OR GREATER OR ANY STORM-RELATED DAMAGE.

KB8QEV/KA3RYL/WX3PIT
Special weather statement, Sep 7, 12:53 PM EDT, 3 hours 30 minutes before
OHZ039>041-048>050-057>059-068-069-PAZ029-031-WVZ001>004-012-021-022-
072300-

SEVERE WEATHER POTENTIAL
NATIONAL WEATHER SERVICE PITTSBURGH PA
1253 PM EDT MON SEP 7 1998

...STRONG OR SEVERE THUNDERSTORMS ARE POSSIBLE AGAIN THIS AFTERNOON AND
EARLY EVENING ACROSS PARTS OF EXTREME SOUTHWEST PENNSYLVANIA...EAST
CENTRAL OHIO...NORTHERN WEST VIRGINIA AND GARRETT COUNTY MARYLAND...

THUNDERSTORMS WITH STRONG GUSTY WINDS...HAIL AND HEAVY DOWNPOURS MAY
REDEVELOP LATER THIS AFTERNOON OR EARLY EVENING AS A COLD FRONT SWEEPS
SOUTH THROUGH THE AREA.  THE MOST LIKELY AREA FOR THUNDERSTORMS TO
REDEVELOP IS ALONG AND SOUTH OF INTERSTATE 70.

THE MAIN THREAT FROM THESE STORMS SHOULD BE STRONG GUSTY THUNDERSTORM
WINDS EXCEEDING 40 MPH AND LARGE HAIL. FREQUENT LIGHTNING WILL
ACCOMPANY THESE STORMS.

STAY TUNED TO LOCAL MEDIA OR NOAA WEATHER RADIO FOR THE LATEST
FORECASTS AND UPDATES.  UPDATES ARE ALSO AVAILABLE ON OUR WEB SITE AT
WWW.NWS.NOAA.GOV/ER/PIT.

SKYWARN ACTIVATION IS POSSIBLE. PLEASE REPORT ANY HAIL OR WIND GUSTS OF
40 MPH OR GREATER OR ANY STORM-RELATED DAMAGE.

KB8QEV/KA3RYL/WX3PIT

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 7, 7:35 AM EDTSevere Thunderstorm WarningPBZBelmont, Guernsey, Noble42 min
Sep 7, 7:43 AM EDTSevere Thunderstorm WarningPBZColumbiana43 min
Sep 7, 8:14 AM EDTSevere Thunderstorm WarningPBZBelmont, Jefferson46 min
Sep 7, 5:04 PM EDTSevere Thunderstorm WarningPBZMonroe46 min

Nearby

Severe Thunderstorm Warnings in Ohio, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.