Alert archive / Ohio / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 115, NWS Wilmington, OH

July 9, 1997Putnam County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Jul 9, 1997, 12:02 AM EDT for Putnam County, Ohio. It was in force for 58 min. 1 report 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 9, 1997, 12:02 AM EDT (04:02 UTC)
Expired
Jul 9, 1997, 1:00 AM EDT
In force
58 min
Issued by
NWS Wilmington, OH
Area
Whole counties

County Putnam County, OH

What was reported inside it

TimeReportWhereRemark
Jul 9, 12:07 AM EDTThunderstorm Wind 53Columbus Grove, OHAn observer reported a wind gust to 62 mph.

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 8, 9:00 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 4.0 hours before the alert went out and 179 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, Cncnati-Daytn, OH at 00:00Z on 1997-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 702 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, Cncnati-Daytn, OH at 00:00Z on 1997-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 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
702 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
1294 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
92 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.1

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.

NWS Wilmington, OH wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 8, 9:37 PM EDT, 2 hours 25 minutes earlier.

Area forecast discussion, Jul 8, 9:37 PM EDT, 2 hours 25 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
935 PM EDT TUE JUL 8 1997

00Z SFC ANLYS SHWG LOW PRES OVR SE MI WITH CDFNT TRAILING BACK ACRS
NRN IND. BEST UPR LVL DYNAMICS ACRS NRN FA THIS EVNG IN RRQ OF 2H JET
WITH ADAP CHARTS AND RUM DATA INDCTDG BEST CONV ACRS NRN IND. SFC DWPTS
FAIRLY HIGH ACRS AREA WITH READINGS IN THE MID TO UPR 60S AND ILN 00Z
RAOB MARGINALLY TO MODERATELY UNSTBL WITH LI OF -4 AND CAPE OF ARND
1300. LLVL CONV PROGD TO WKN THRU TNGT AS FNT DRPS S ACRS FA. IN
ADDITION...BEST UPR LVL DIVG SHUD SHIFT E OF FA WITH UPR LVL JET.
THUS WUD XPCT TSTMS TO WKN AS THEY DROP SE THRU THIS EVNG AND DURG OVRNGT
HRS. BEST CHC FOR SVR WL LIKELY BE ACRS LIMA AREA IN AREA CLOSEST TO
CRNT ACTVTY. LIKELY POPS STILL LUK GOOD FOR NRN HALF OF FA TNGT WITH
CHC POPS ACRS SRN HALF FA BUT TSTMS WL BE SLOW TO MOV S. CRNT TIMING
WUD NOT BRING PCPN INTO DAY AND CMH AREAS TIL 2 OR 3 AM AND INTO CINCI
AREA LATE TNGT...SOMETIME AFTER 4 AM. DWPTS SHUD RMN UP FOR MOST OF
NGT SO CRNT LOW TMP FCST OF MID TO UPR 60S RSNBL ACRS FA.

LOTT

In the hours before

Special weather statement, Jul 8, 9:20 PM EDT, 2 hours 42 minutes before
OHZ015-016-024>026-034-035-042>046-051>056-060>062-INZ050-058>
059-090700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
920 PM EDT TUE JUL 8 1997

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 3 AM EDT (2 AM EST)...

...THE TORNADO WATCH THAT WAS IN EFFECT FOR WEST CENTRAL OHIO EXPIRED AT
   9 PM EDT...

A COLD FRONT WILL MOVE SOUTH ACROSS NORTHERN INDIANA AND OHIO OVERNIGHT
TONIGHT. STRONG THUNDERSTORMS THAT DEVELOPED ALONG THE COLD FRONT LATE
TUESDAY AFTERNOON ARE EXPECTED TO PUSH SOUTH INTO WEST CENTRAL OHIO
THROUGH THIS EVENING. THE THUDERSTORMS WILL THEN MOVE INTO EAST CENTRAL
INDIANA...THE MIAMI VALLEY AND CENTRAL OHIO LATER TONIGHT.

WIND GUSTS OVER 60 MPH AND GREATER THAN 3/4 INCH DIAMETER HAIL ARE THE
MAIN THREATS FROM THESE STORMS.

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES.

LOTT
Special weather statement, Jul 8, 9:22 PM EDT, 2 hours 40 minutes before
OHZ015-016-024>026-034-035-042>046-051>056-060>062-INZ050-058>
059-090700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
920 PM EDT TUE JUL 8 1997

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 3 AM EDT (2 AM EST)...

...THE TORNADO WATCH THAT WAS IN EFFECT FOR WEST CENTRAL OHIO EXPIRED AT
   9 PM EDT...

A COLD FRONT WILL MOVE SOUTH ACROSS NORTHERN INDIANA AND OHIO OVERNIGHT
TONIGHT. STRONG THUNDERSTORMS THAT DEVELOPED ALONG THE COLD FRONT LATE
TUESDAY AFTERNOON ARE EXPECTED TO PUSH SOUTH INTO WEST CENTRAL OHIO
THROUGH THIS EVENING. THE THUDERSTORMS WILL THEN MOVE INTO EAST CENTRAL
INDIANA...THE MIAMI VALLEY AND CENTRAL OHIO LATER TONIGHT.

WIND GUSTS OVER 60 MPH bAND GREATER THAN 3/4 INCH DIAMETER HAIL ARE THE
MAIN THREATS FROM THESE STORMS.

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES.

LOTT
Local storm report, Jul 8, 10:17 PM EDT, 1 hour 45 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
1017 PM EDT TUE JUL 08 1997

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

1010 PM    LEIPSIC                   OH   60 MPH TSTM GUST
07/08/97   PUTNAM
Local storm report, Jul 8, 10:19 PM EDT, 1 hour 43 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
1017 PM EDT TUE JUL 08 1997

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

1010 PM    LEIPSIC                   OH   60 MPH TSTM GUST
07/08/97   PUTNAM
Local storm report, Jul 8, 11:59 PM EDT, 3 minutes before
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Local storm report, Jul 9, 12:01 AM EDT, 1 minute before
<!doctype html>
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<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 8, 9:31 PM EDTSevere Thunderstorm WarningILNPaulding59 min
Jul 8, 9:57 PM EDTSevere Thunderstorm WarningILNPutnam58 min
Jul 8, 10:46 PM EDTFlash Flood WarningILNPutnam119 min
Jul 8, 11:06 PM EDTFlash Flood WarningILNPaulding119 min
Jul 9, 12:15 AM EDTSevere Thunderstorm WarningILNAllen45 min
Jul 9, 12:40 AM EDTSevere Thunderstorm WarningILNHardin45 min
Jul 9, 1:59 AM EDTSevere Thunderstorm WarningILNLogan36 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.