Alert archive / South Carolina / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 138, NWS Greenville-Spartanburg, SC

July 9, 1997Chester County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 9, 1997, 6:12 PM EDT for Chester County, South Carolina. It was in force for 63 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: Jul 9, 1997, 6:12 PM EDT (22:12 UTC)
Expired: Jul 9, 1997, 7:15 PM EDT
In force: 63 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Whole counties

County Chester County, SC

The radar

The Columbia radar (KCAE), 83 km from the middle of the area, began a volume at 22:07 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.2 hours before the alert went out and 192 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: 179 J/kg
Mixed-layer CIN: -105 J/kg
Mixed-layer LCL: 1311 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: 14 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Greenville-Spartanburg, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 9, 2:00 PM EDT, 4 hours 12 minutes earlier.

Area forecast discussion, Jul 9, 2:00 PM EDT, 4 hours 12 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE/SPARTANBURG, SC
200 PM EDT WED JUL 9 1997

WSFOS:  POPS/WORDING TNGT DEPEND ON CVRG AT ISSUANCE AND ANY SELS
ACTIONS. MOST LIKELY 50-60 PCT ALL AREAS.  FEEL LOW CLDS WL BE
WIDESPREAD ESPLY ERLY TOMORROW.

DISC:  MAIN WEATHER PLAYER WILL BE MESO VORT CENTER MOVG INTO WESTERN
NC ATTM.  CONVECTION HAS FIRED MAINLY IN TWO AREAS...AROUND THE MVC
ITSELF...AND IN THE AREA OF LLVL CONVERGENCE AHEAD OF THE SYSTEM ACRS
THE WESTERN PART OF THE UPSTATE.  RADAR TRENDS AT ISSUANCE WILL
DETERMINE POPS TNGT...PROBABLY IN THE 50-60 PCT RANGE MOST AREAS.
CONVECTION AROUND THE MVC WILL LIKELY PRODUCE LOCALLY 1-3 INCHES OF RAIN
AS IT MOVES ACRS THE NC MOUNTAINS THIS EVENING...BELOW CURRENT FFG
VALUES. STILL APPEARS TO BE ENUF INSTABILITY AND WIND ENERGY FOR SOME
SEVERE. NGM HAS GOOD HANDLE ON THE TIMING OF THE MVC...MOVG IT FROM NEAR
TYS TO CLT BETWEEN 18 AND 06Z.  FEEL PCPN CVRG WL DROP OFF QUICKLY
BEHIND THE SYSTEM AS FORCING SHIFTS EAST.  MAY NOT NEED POPS AFTER
MIDNIGHT FOR THE WESTERN 2/3RDS OF MY CWA...WITH ACTIVITY ENDING BY
DAYBREAK ARND CHARLOTTE.

LATEST MODEL DATA(NO GRIDS YET) SUGGEST LLVL MSTR WL HANG ARND AS WEAK
FRONT SWINGS THROUGH THE AREA.  THIS MAY LEAD TO STUBBORN LOW
CLOUDINESS THROUGH MUCH OF THE DAY THURS...AND MY TEMPS LEAN CLOSER TO
THE COOLER FAN NUMBERS.

AVL 63/81/61/82 6001
CLT 70/85/68/88 5000
GSP 68/86/66/87 5001

JOHNSTONE

In the hours before

Local storm report, Jul 9, 2:54 PM EDT, 3 hours 18 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
254 PM EDT WED JUL 09 1997

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

235 PM     MILLS RIVER               NC   1.75 INCH HAIL
07/09/97   HENDERSON                      REPORT FROM MILLS RIVER
                                          FIRE DEPT FORWARDED BY
                                          HENDERSON CO SHERIFF

JZ

Local storm report, Jul 9, 4:48 PM EDT, 1 hour 24 minutes before

<!doctype html>
<html lang="en">
<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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Local storm report, Jul 9, 4:49 PM EDT, 1 hour 23 minutes before

<!doctype html>
<html lang="en">
<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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 9, 3:14 PM EDT	Flash Flood Warning	GSP	Henderson	4 hr
Jul 9, 4:16 PM EDT	Severe Thunderstorm Warning	GSP	Laurens	59 min
Jul 9, 5:55 PM EDT	Severe Thunderstorm Warning	GSP	York	50 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 1997 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.