Alert archive / Ohio / Tornado Warnings in 1998

Tornado Warning 45, NWS Pittsburgh, PA

August 25, 1998Muskingum County, Ohio

NWS Pittsburgh, PA issued this tornado warning at Aug 25, 1998, 4:06 PM EDT for Muskingum County, Ohio. It was in force for 39 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
Aug 25, 1998, 4:06 PM EDT (20:06 UTC)
Expired
Aug 25, 1998, 4:45 PM EDT
In force
39 min
Issued by
NWS Pittsburgh, PA
Area
Whole counties

County Muskingum County, OH

The radar

The Pittsburgh radar (KPBZ), 159 km from the middle of the area, began a volume at 20:08 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 25, 4:30 PM EDTThunderstorm WindBlack Run, OH
Aug 25, 4:30 PM EDTThunderstorm WindZanesville, OH
Aug 25, 4:30 PM EDTThunderstorm WindCentral Portion, OHSeveral trees were downed by thunderstorm winds throughout Falls Township, one onto a car. In South Zanesville a mobile home was knocked off its foundation and a billboard fell onto a car.
Aug 25, 4:40 PM EDTThunderstorm Wind 52New Concord, OH

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
Aug 25, 2:30 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 8.1 hours before the alert went out and 164 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 1998-08-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1153 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 1998-08-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 208 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
1153 J/kg
Mixed-layer CIN
-102 J/kg
Mixed-layer LCL
784 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
208 m²/s²
0-3 km storm-relative helicity
195 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.3

Open this sounding in Storm Lab

The text

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

159 
WFUS1 KPIT 252011 RRA
TORPIT
OHC119-252045-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PITTSBURGH PA
406 PM EDT TUE AUG 25 1998

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A

   * TORNADO WARNING FOR...
     MUSKINGUM COUNTY IN OHIO
     INCLUDING ZANESVILLE

   * UNTIL 445 PM EDT

   * AT 405 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
     THUNDERSTORM WITH A TORNADO ABOUT 15 MILES NORTHWEST            
     OF ZANESVILLE...MOVING SOUTHEAST AT 40 MILES PER HOUR.

   * TORNADO WILL BE...
     4 MILES NORTH OF ZANESVILLE AT 410 PM EDT
     16 MILES EAST OF ZANESVILLE AT 435 PM EDT
     

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

KANE

What forecasters said that day

The local office's own words before this tornado 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, Aug 25, 11:38 AM EDT, 4 hours 28 minutes before
OHZ039>041-O48>050-057>059-068-069-WVZ001>004-012-021>023-041-MDZ001-
PAZ007>009-013>016-020>023-029>032-251600-

SEVERE WEATHER OUTLOOK -UPDATE
NATIONAL WEATHER SERVICE PITTSBURGH PA
1138 AM EDT TUE AUG 25 1998

...THUNDERSTORMS WITH LOCALLY HEAVY RAIN AMOUNTS AND GUSTY WINDS
   POSSIBLE THIS AFTERNOON AND EARLY TONIGHT...

...FLASH FLOOD WATCH REMAINS ON TIL 6 PM FOR THE EAST CENTRAL OHIO
   COUNTIES...NORTHERN WEST VIRGINIA PANHANDLE COUNTIES...AND
   EXTREME SOUTHWEST PENNSYLVANIA...

FLASH FLOOD AND HEAVY RAIN THREAT DETAILS...
EAST CENTRAL OHIO...NORTHERN WEST VIRGINIA PANHANDLE AND EXTREME
SOUTHWEST PENNSYLVANIA REMAIN THE COUNTIES TO WATCH FOR FLASH FLOOD
DEVELOPMENT. SOILS ARE STILL HEAVILY MOISTURE LADEN AFTER
YESTERDAYS  RAINS OF UP TO 2 TO 4 INCHES IN SOME COMMUNITIES.

THUNDERSTORMS WILL BE MORE NUMEROUS NORTH OF INTERSTATE 70. SO
THOSE COUNTIES NORTH OF INTERSTATE 70 IN THE WATCH AREA ARE THE MOST
VULNERABLE TO FLASH FLOOD DEVELOPMENT. RAIN AMOUNTS IN MANY
LOCATIONS WILL EXCEED AN INCH...AND UP TO 3 OR 4 INCHES ARE
POSSIBLE. RAIN AMOUNTS EXCEEDING 1.5 INCHES IN AN HOUR OR 3 INCHES
IN 3 HOURS CAN CAUSE THE RAPID FLOODING OF POOR DRAINAGE AREAS AND
SMALL STREAMS.

SEVERE WEATHER THREAT DETAILS...
ANY STORM CAN HAVE WIND GUSTS OF OVER 30 MPH AND QUARTER INCH HAIL.
STORMS ON THE SOUTHERN FRINGE OF THE BANDS OF THE STORMS ARE THE
ONES WITH THE HIGHEST POTENTIAL FOR HAVING STRONG WIND GUSTS AND
HAIL. AREAS NEAR AND SOUTH OF INTERSTATE 70 APPEAR TO THE MOST
VULNERABLE TO THIS THREAT. WITH THOSE SOUTHERN STORMS...WIND GUSTS
MAY EXCEED 60 MPH AND HAIL SIZES CAN EXCEED AN INCH. LIGHTNING CAN
ALSO BE QUITE FREQUENT WITH THESE STORMS AS IT WAS YESTERDAY.

WEATHER SCENARIO...
A COLD FRONT FROM MICHIGAN WILL CUT THROUGH THE HUMID AND UNSTABLE
AIR OVER THE UPPER OHIO VALLEY AND THUS CAUSE THUNDERSTORMS TO
CONTINUE ACROSS THE REGION. AN EAST-WEST BOUNDARY NEAR INTERSTATE 70
HAS DEVELOPED WHICH MAY FOCUS STRONG THUNDERSTORM IN THAT PART OF
THE OHIO HEADWATERS REGION.

THE ENTIRE OHIO HEADWATERS REGION IS UNSTABLE...SO THUNDERSTORMS CAN
BE STRONG. AREAS SOUTH OF INTERSTATE 70 MAY BECOME THE MOST UNSTABLE
IF SURFACE TEMPERATURES REACH THE UPPER 80S OR 90. AN EAST-WEST
BOUNDARY CLOSE TO INTERSTATE 70 HAS DEVELOPED...SINCE AREAS TO THE
NORTH ARE WET AND CLOUDY AND AREAS TO THE SOUTH ARE SUNNY AND
WARMING RAPIDLY. THIS MAY BECOME THE REGION WHERE THE STRONGEST
THUNDERSTORMS FOCUS. THE THUNDERSTORMS CAN ALSO OCCUR IN SERIES THIS
AFTERNOON AND EVENING WHICH MEANS REPEATED DOWNPOURS ARE
POSSIBLE...WHICH IS ANOTHER REASON FOR MAINTAINING THE FLASH FLOOD
WATCH.

THE THREAT FROM THUNDERSTORMS WILL DIMINISH LATE TONIGHT AFTER THE
FRONT HAS PASSED THROUGH.

SKYWARN ACTIVATION NOTES...
SKYWARN OBSERVERS ARE REQUESTED TO CALL WITH ANY RAIN AMOUNTS OF
BETTER THAN 1 INCH IN AN HOUR OR TOTALS OF 2.5 INCHES SINCE 7 AM.
SKYWARN NETWORKS MAY BE ACTIVATED LATER THIS AFTERNOON OR EVENING
WITH  COUNTIES IN THE FLASH FLOOD WATCH AND SOUTH OF INTERSTATE 70
HAVING THE BEST CHANCE.

NOAA WEATHER RADIO AND WEBSITE REMINDER...
CONTINUE TO LISTEN TO NOAA WEATHER RADIO FOR UPDATES. THE LATEST
INFORMATION IS ALSO AVAILABLE ON THE NATIONAL WEATHER SERVICE
PITTSBURGH WEB SITE AT WWW.NWS.NOAA.GOV/ER/PIT

GIORDANO
Special weather statement, Aug 25, 11:38 AM EDT, 4 hours 28 minutes before
OHZ039>041-O48>050-057>059-068-069-WVZ001>004-012-021>023-041-MDZ001-
PAZ007>009-013>016-020>023-029>032-251600-

SEVERE WEATHER OUTLOOK -UPDATE
NATIONAL WEATHER SERVICE PITTSBURGH PA
1138 AM EDT TUE AUG 25 1998

...THUNDERSTORMS WITH LOCALLY HEAVY RAIN AMOUNTS AND GUSTY WINDS
   POSSIBLE THIS AFTERNOON AND EARLY TONIGHT...

...FLASH FLOOD WATCH REMAINS ON TIL 6 PM FOR THE EAST CENTRAL OHIO
   COUNTIES...NORTHERN WEST VIRGINIA PANHANDLE COUNTIES...AND
   EXTREME SOUTHWEST PENNSYLVANIA...

FLASH FLOOD AND HEAVY RAIN THREAT DETAILS...
EAST CENTRAL OHIO...NORTHERN WEST VIRGINIA PANHANDLE AND EXTREME
SOUTHWEST PENNSYLVANIA REMAIN THE COUNTIES TO WATCH FOR FLASH FLOOD
DEVELOPMENT. SOILS ARE STILL HEAVILY MOISTURE LADEN AFTER
YESTERDAYS  RAINS OF UP TO 2 TO 4 INCHES IN SOME COMMUNITIES.

THUNDERSTORMS WILL BE MORE NUMEROUS NORTH OF INTERSTATE 70. SO
THOSE COUNTIES NORTH OF INTERSTATE 70 IN THE WATCH AREA ARE THE MOST
VULNERABLE TO FLASH FLOOD DEVELOPMENT. RAIN AMOUNTS IN MANY
LOCATIONS WILL EXCEED AN INCH...AND UP TO 3 OR 4 INCHES ARE
POSSIBLE. RAIN AMOUNTS EXCEEDING 1.5 INCHES IN AN HOUR OR 3 INCHES
IN 3 HOURS CAN CAUSE THE RAPID FLOODING OF POOR DRAINAGE AREAS AND
SMALL STREAMS.

SEVERE WEATHER THREAT DETAILS...
ANY STORM CAN HAVE WIND GUSTS OF OVER 30 MPH AND QUARTER INCH HAIL.
STORMS ON THE SOUTHERN FRINGE OF THE BANDS OF THE STORMS ARE THE
ONES WITH THE HIGHEST POTENTIAL FOR HAVING STRONG WIND GUSTS AND
HAIL. AREAS NEAR AND SOUTH OF INTERSTATE 70 APPEAR TO THE MOST
VULNERABLE TO THIS THREAT. WITH THOSE SOUTHERN STORMS...WIND GUSTS
MAY EXCEED 60 MPH AND HAIL SIZES CAN EXCEED AN INCH. LIGHTNING CAN
ALSO BE QUITE FREQUENT WITH THESE STORMS AS IT WAS YESTERDAY.

WEATHER SCENARIO...
A COLD FRONT FROM MICHIGAN WILL CUT THROUGH THE HUMID AND UNSTABLE
AIR OVER THE UPPER OHIO VALLEY AND THUS CAUSE THUNDERSTORMS TO
CONTINUE ACROSS THE REGION. AN EAST-WEST BOUNDARY NEAR INTERSTATE 70
HAS DEVELOPED WHICH MAY FOCUS STRONG THUNDERSTORM IN THAT PART OF
THE OHIO HEADWATERS REGION.

THE ENTIRE OHIO HEADWATERS REGION IS UNSTABLE...SO THUNDERSTORMS CAN
BE STRONG. AREAS SOUTH OF INTERSTATE 70 MAY BECOME THE MOST UNSTABLE
IF SURFACE TEMPERATURES REACH THE UPPER 80S OR 90. AN EAST-WEST
BOUNDARY CLOSE TO INTERSTATE 70 HAS DEVELOPED...SINCE AREAS TO THE
NORTH ARE WET AND CLOUDY AND AREAS TO THE SOUTH ARE SUNNY AND
WARMING RAPIDLY. THIS MAY BECOME THE REGION WHERE THE STRONGEST
THUNDERSTORMS FOCUS. THE THUNDERSTORMS CAN ALSO OCCUR IN SERIES THIS
AFTERNOON AND EVENING WHICH MEANS REPEATED DOWNPOURS ARE
POSSIBLE...WHICH IS ANOTHER REASON FOR MAINTAINING THE FLASH FLOOD
WATCH.

THE THREAT FROM THUNDERSTORMS WILL DIMINISH LATE TONIGHT AFTER THE
FRONT HAS PASSED THROUGH.

SKYWARN ACTIVATION NOTES...
SKYWARN OBSERVERS ARE REQUESTED TO CALL WITH ANY RAIN AMOUNTS OF
BETTER THAN 1 INCH IN AN HOUR OR TOTALS OF 2.5 INCHES SINCE 7 AM.
SKYWARN NETWORKS MAY BE ACTIVATED LATER THIS AFTERNOON OR EVENING
WITH  COUNTIES IN THE FLASH FLOOD WATCH AND SOUTH OF INTERSTATE 70
HAVING THE BEST CHANCE.

NOAA WEATHER RADIO AND WEBSITE REMINDER...
CONTINUE TO LISTEN TO NOAA WEATHER RADIO FOR UPDATES. THE LATEST
INFORMATION IS ALSO AVAILABLE ON THE NATIONAL WEATHER SERVICE
PITTSBURGH WEB SITE AT WWW.NWS.NOAA.GOV/ER/PIT

GIORDANO

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 24, 8:54 PM EDTSevere Thunderstorm WarningPBZTuscarawas51 min
Aug 25, 6:19 AM EDTSevere Thunderstorm WarningPBZTuscarawas41 min
Aug 25, 1:37 PM EDTSevere Thunderstorm WarningPBZColumbiana62 min
Aug 25, 3:44 PM EDTSevere Thunderstorm WarningPBZMuskingum61 min
Aug 25, 3:57 PM EDTSevere Thunderstorm WarningPBZCoshocton58 min
Aug 25, 4:42 PM EDTSevere Thunderstorm WarningPBZGuernsey63 min
Aug 25, 4:50 PM EDTSevere Thunderstorm WarningPBZMuskingum55 min
Aug 25, 4:54 PM EDTSevere Thunderstorm WarningPBZNoble66 min
Aug 25, 5:00 PM EDTSevere Thunderstorm WarningPBZHarrison60 min

Nearby

Tornado Warnings in Ohio, 1998Every tornado warning in 1998Tornadoes 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.