Alert archive / North Carolina / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 68, NWS Greenville-Spartanburg, SC

May 7, 1998Madison County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 7, 1998, 4:46 PM EDT for Madison County, North Carolina. It was in force for 49 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: May 7, 1998, 4:46 PM EDT (20:46 UTC)
Expired: May 7, 1998, 5:35 PM EDT
In force: 49 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Whole counties

County Madison County, NC

What was reported inside it

Time	Report	Where	Remark
May 7, 4:50 PM EDT	Hail 0.75	Marshall, NC
May 7, 5:08 PM EDT	Hail 1	Marshall, NC

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 nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.8 hours before the alert went out and 254 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: 49 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 523 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 31 m²/s²
0-3 km storm-relative helicity: 53 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 May 7, 2:40 PM EDT, 2 hours 6 minutes earlier.

Area forecast discussion, May 7, 2:40 PM EDT, 2 hours 6 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
240 PM EDT THU MAY 7 1998

CAE/FFC/RAH: TSTMS WITH HVY RAIN...POSS SVR TONIGHT.  HANG ONTO
              SMALL POPS THRU FRIDAY.

INITIAL BAND OF CONVECTION GETTING READY TO CLEAR EASTERN FRINGES
OF CWA & IN ITS WAKE...ATMOSPHERE SHOULD RECOVER QUICKLY WITH
AS SUNSHINE RETURNED TO HELP DESTABILIZE.  ALREADY TSTMS DEVELOPING
RAPIDLY IN EAST TENNESSEE & WILL SPREAD EAST BACK INTO FA LATER
THIS AFTERNOON & EVENING.  STRONG OMEGA...FAVORABLE LEFT EXIT REGION
POS OF 25H JET...UPPER DIFFLUENCE...INCREASING VWP AND LLVL RH RETURN
ALL LEADS TO IMPRESSIVE SVR CHCS INTO TONIGHT.  WARM FRONT LIES JUST
TO THE SOUTH/WEST OF FA & WILL CONT TO LIFT NWD WITH BEST TORNADO
THREAT ALONG THIS BNDRY.

THETA-E & HIGHER PW AXIS WILL SHIFT FROM ERN TENN THIS AFTERNOON
INTO AN E-W ORIENTATION ACRS N GA/N SC.  LOCALIZED 1-2 AMTS WILL
LIKELY DEVELOP WITH STMS TONIGHT BUT DEBATABLE IF THE DURATION OF
THIS SYSTEM WILL BE LONG ENOUGH FOR WIDESPREAD FLDG TO EVOLVE.

OMEGA & DEEP MOISTURE CUTS OFF TWDS 12Z WITH SFC & 85H FNT MOVING
ACRS FA DURING FRIDAY MORNING.  LLVL DRYING PROGGED DURING DAY
...BUT WERE STILL UNSTABLE AS UPPER LOW REMAINS OVER THE AREA.
SO...STILL WOULD LIKE TO HANG ONTO SMALL POPS THRU FRIDAY.

AVL  58/71/53/77  6312
CLT  63/77/58/83  6412
GSP  62/78/57/82  6312

CSH

In the hours before

Local storm report, May 7, 4:18 PM EDT, 28 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, May 7, 4:18 PM EDT, 28 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, May 7, 4:31 PM EDT, 15 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, May 7, 4:31 PM EDT, 15 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, May 7, 4:42 PM EDT, 4 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, May 7, 4:42 PM EDT, 4 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
May 7, 3:07 PM EDT	Severe Thunderstorm Warning	GSP	Mitchell, Yancey	48 min
May 7, 3:10 PM EDT	Severe Thunderstorm Warning	GSP	Madison	50 min
May 7, 4:05 PM EDT	Severe Thunderstorm Warning	GSP	Madison	45 min
May 7, 4:26 PM EDT	Severe Thunderstorm Warning	GSP	Yancey	44 min
May 7, 5:03 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe	32 min
May 7, 5:15 PM EDT	Severe Thunderstorm Warning	GSP	Alexander	35 min
May 7, 5:19 PM EDT	Severe Thunderstorm Warning	GSP	McDowell	46 min
May 7, 5:26 PM EDT	Severe Thunderstorm Warning	GSP	Graham	49 min
May 7, 5:33 PM EDT	Tornado Warning	GSP	Iredell	47 min
May 7, 5:40 PM EDT	Tornado Warning	GSP	McDowell	45 min
May 7, 5:51 PM EDT	Severe Thunderstorm Warning	GSP	Caldwell	49 min
May 7, 5:56 PM EDT	Severe Thunderstorm Warning	GSP	Davie	34 min
May 7, 6:09 PM EDT	Tornado Warning	GSP	Alexander	46 min
May 7, 6:11 PM EDT	Severe Thunderstorm Warning	GSP	Haywood	49 min
May 7, 6:22 PM EDT	Severe Thunderstorm Warning	GSP	Burke	48 min
May 7, 6:26 PM EDT	Tornado Warning	GSP	Iredell	49 min
May 7, 6:34 PM EDT	Tornado Warning	GSP	Lincoln	46 min
May 7, 6:50 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe	60 min
May 7, 7:01 PM EDT	Severe Thunderstorm Warning	GSP	Haywood	64 min
May 7, 7:06 PM EDT	Tornado Warning	GSP	Rowan	64 min
May 7, 7:11 PM EDT	Severe Thunderstorm Warning	GSP	McDowell	64 min
May 7, 7:27 PM EDT	Severe Thunderstorm Warning	GSP	Iredell, Mecklenburg	33 min
May 7, 7:54 PM EDT	Tornado Warning	GSP	Cabarrus	46 min
May 7, 4:56 PM EDT	Severe Thunderstorm Warning	GSP	Oconee	59 min
May 7, 5:11 PM EDT	Tornado Warning	GSP	Oconee	34 min
May 7, 5:32 PM EDT	Severe Thunderstorm Warning	GSP	Anderson	63 min
May 7, 6:14 PM EDT	Tornado Warning	GSP	Abbeville, Anderson	46 min
May 7, 6:23 PM EDT	Tornado Warning	GSP	Greenwood	47 min
May 7, 6:40 PM EDT	Severe Thunderstorm Warning	GSP	Oconee	50 min
May 7, 7:36 PM EDT	Severe Thunderstorm Warning	GSP	Oconee	49 min
May 7, 7:45 PM EDT	Tornado Warning	GSP	Anderson	50 min
May 7, 9:49 AM EDT	Severe Thunderstorm Warning	GSP	Habersham, Stephens	46 min
May 7, 10:48 AM EDT	Severe Thunderstorm Warning	GSP	Franklin, Hart	32 min
May 7, 4:18 PM EDT	Tornado Warning	GSP	Rabun	62 min
May 7, 4:28 PM EDT	Tornado Warning	GSP	Habersham	47 min
May 7, 5:21 PM EDT	Severe Thunderstorm Warning	GSP	Franklin	49 min
May 7, 5:50 PM EDT	Severe Thunderstorm Warning	GSP	Elbert, Hart	45 min
May 7, 5:59 PM EDT	Severe Thunderstorm Warning	GSP	Rabun	66 min
May 7, 6:04 PM EDT	Tornado Warning	GSP	Elbert	46 min
May 7, 6:33 PM EDT	Severe Thunderstorm Warning	GSP	Habersham	47 min
May 7, 7:07 PM EDT	Severe Thunderstorm Warning	GSP	Rabun	48 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 1998 Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.