Alert archive / Georgia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 108, NWS Charleston, SC

June 5, 1998Chatham County, Effingham County, Georgia

NWS Charleston, SC issued this severe thunderstorm warning at Jun 5, 1998, 9:56 PM EDT for Chatham County, Effingham County, Georgia. It was in force for 44 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: Jun 5, 1998, 9:56 PM EDT (01:56 UTC)
Expired: Jun 5, 1998, 10:40 PM EDT
In force: 44 min
Issued by: NWS Charleston, SC
Area: Whole counties

Counties Chatham County, GA, Effingham County, GA

The radar

The Charleston,SC radar (KCLX), 56 km from the middle of the area, began a volume at 01:58 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

Time	Report	Where	Remark
Jun 5, 10:10 PM EDT	Thunderstorm Wind 50	Rincon, GA	Numerous trees and powerlines down.
Jun 5, 10:15 PM EDT	Thunderstorm Wind 50	Pooler, GA	Numerous trees and powerlines down.

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.

Issued	Product	Office	Lasted
Jun 5, 9:15 PM EDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 1.9 hours before the alert went out and 140 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: 2380 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 1022 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 169 m²/s²
0-3 km storm-relative helicity: 172 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 Charleston, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 5, 8:10 PM EDT, 1 hour 46 minutes earlier.

Area forecast discussion, Jun 5, 8:10 PM EDT, 1 hour 46 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHARLESTON SC
810 PM EDT FRI JUN 5 1998

STRONG BOW LINE WITH TRW MOVING ACROS CNTRL GA TOWARDS OUR SE GA CWA.
THREAT AS WELL FURTHER TO N IN SC. LIKELY POPS LOOK GUD FOR THE ACTIVITY
LATE THIS EVE...THEN VERY LOW IF ANY POP REST OF NITE. NO SIGNIFICANT
CHANGES TO SUGGEST BEYOND THOSE ALREADY MADE FOR SVR WW.

CSTL WATERS...ALREADY UPDATED THRU 1 AM FOR SEVERE WW.

LAVIS

In the hours before

Local storm report, Jun 5, 9:33 PM EDT, 23 minutes before

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Local storm report, Jun 5, 9:47 PM EDT, 9 minutes before

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<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.
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      <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 Charleston, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 5, 9:12 PM EDT	Severe Thunderstorm Warning	CHS	Candler, Tattnall	48 min
Jun 5, 9:34 PM EDT	Severe Thunderstorm Warning	CHS	Bulloch, Evans	81 min
Jun 5, 9:42 PM EDT	Severe Thunderstorm Warning	CHS	Liberty, Long	63 min
Jun 5, 9:42 PM EDT	Severe Thunderstorm Warning	CHS	Bryan	63 min
Jun 5, 10:02 PM EDT	Severe Thunderstorm Warning	CHS	McIntosh	33 min

Nearby

Severe Thunderstorm Warnings in Georgia, 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; radar from the NEXRAD Level II archive.