Alert archive / Ohio / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 71, NWS Pittsburgh, PA

July 27, 1997Guernsey County, Noble County, Ohio

NWS Pittsburgh, PA issued this severe thunderstorm warning at Jul 27, 1997, 9:00 PM EDT for Guernsey County, Noble County, Ohio. It was in force for 60 min. 2 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
Jul 27, 1997, 9:00 PM EDT (01:00 UTC)
Expired
Jul 27, 1997, 10:00 PM EDT
In force
60 min
Issued by
NWS Pittsburgh, PA
Area
Whole counties

Counties Guernsey County, OH, Noble County, OH

The radar

The Pittsburgh radar (KPBZ), 127 km from the middle of the area, began a volume at 01:04 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
Jul 27, 9:03 PM EDTThunderstorm WindCambridge, OHThunderstorm winds downed several trees.
Jul 27, 9:57 PM EDTThunderstorm WindCaldwell, OHSeveral trees and branches were downed by thunderstorm winds. A tree fell across County Road 28B.

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
Jul 27, 7:00 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 1.0 hours before the alert went out and 129 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 1997-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 54 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 1997-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 square meters per square second.1939Sfc1 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
54 J/kg
Mixed-layer CIN
-113 J/kg
Mixed-layer LCL
1790 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
34 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KPIT 280059 RRA
SVRPIT
OHC059-121-280200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PITTSBURGH PA
900 PM EDT SUN JUL 27 1997
 
THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1000 PM EDT
FOR THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL OHIO
 
   ...GUERNSEY COUNTY...NOBLE COUNTY
 
A SEVERE THUNDERTORM IS LOCATED IN SOUTHWEST GUERNSEY COUNTY NEAR
CLAYSVILLE. THE STORM IS MOVING SOUTHEAST AT 15 MPH AND WILL EFFECT THE
CITIES OF BLUEBELL AND CUMBERLAND IN GUERNSEY COUNTY AND THE WOLF RUN LA
AREA OF NOBLE COUNTY.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND...DESTRUCTIVE HAIL...
DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR SAFETY...GO TO AN INTERIOR
ROOM ON THE LOWEST FLOOR OF YOUR BUILDING. SEVERE THUNDERSTORMS CAN
PRODUCE TORNADOES WITH LITTLE ADVANCE WARNING. HEAVY RAINS CAN
QUICKLY CAUSE FLOODING. DO NOT CROSS WHERE WATER COVERS YOUR PATH.

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, Jul 27, 8:53 PM EDT, 7 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
853 PM EDT SUN JUL 27 1997

TIME(EST)  ....CITY LOCATION....     STATE...EVENT/REMARKS...
           ...COUNTY LOCATION...
0840 PM     HOPEWELL                 OH    WIND DAMAGE
07/27/97    MUSKINGUM                      NUMEROUS TREES DOWN.
Local storm report, Jul 27, 8:54 PM EDT, 6 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
853 PM EDT SUN JUL 27 1997

TIME(EST)  ....CITY LOCATION....     STATE...EVENT/REMARKS...
           ...COUNTY LOCATION...
0840 PM     HOPEWELL                 OH    WIND DAMAGE
07/27/97    MUSKINGUM                      NUMEROUS TREES DOWN.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 8:30 PM EDTSevere Thunderstorm WarningPBZMuskingum60 min
Jul 28, 11:20 AM EDTSevere Thunderstorm WarningPBZCoshocton55 min
Jul 28, 11:57 AM EDTSevere Thunderstorm WarningPBZCarroll63 min
Jul 28, 12:24 PM EDTSevere Thunderstorm WarningPBZGuernsey51 min
Jul 28, 12:50 PM EDTSevere Thunderstorm WarningPBZBelmont55 min
Jul 28, 2:48 PM EDTSevere Thunderstorm WarningPBZMonroe27 min

Nearby

Severe Thunderstorm Warnings in Ohio, 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.