Alert archive / Mississippi / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 190, NWS Jackson, MS

November 14, 1993Issaquena County, Warren County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Nov 14, 1993, 2:42 PM CST for Issaquena County, Warren County, Mississippi. It was in force for 48 min.

The area

The counties it named.

The facts

Issued: Nov 14, 1993, 2:42 PM CST (20:42 UTC)
Expired: Nov 14, 1993, 3:30 PM CST
In force: 48 min
Issued by: NWS Jackson, MS
Area: Whole counties

Counties Issaquena County, MS, Warren County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 8.7 hours before the alert went out and 83 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: 1454 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 547 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 208 m²/s²
0-3 km storm-relative helicity: 285 m²/s²
Significant tornado parameter: 1.8
Supercell composite: 10.6

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.

In the hours before

Special weather statement, Nov 14, 1:45 PM CST, 57 minutes before

MSZALL-142300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
145 PM CST SUN NOV 14 1993

 ...TORNADO WATCH 944 IS IN EFFECT IN NORTH MISSISSIPPI UNTIL 600 PM...
 ...TORNADO WATCH 945 IN IN EFFECT IN CENTRAL AND SOUTHWEST MISSISSIPPI
   UNTIL 7 PM...

AT 140 PM CST...A LINE OF THUNDERSTORMS EXTENDED ALONG AND WEST OF A LINE
FROM JUST NORTH OF NATCHEZ TO ROLLING FORK TO GREENWOOD TO TUTWILER.

SOME OF THE STRONGER THUNDERSTORMS WERE LOCATED NEAR MAYERSVILLE IN
NORTH ISSAQUENA COUNTY AND NEAR GLEN ALLAN IN SOUTH WASHINGTON COUNTY.

ANY OF THE THUNDERSTORMS HAVE THE POTENTIAL FOR CAUSING EXTREMELY HEAVY
RAIN FOR A BRIEF TIME...IN ADDITION TO GUSTY WINDS UP TO 40 MILES AN
HOUR.  MOST STORMS WERE MOVING NORTHEAST AT NEAR 45 MILES AN NOUR.

Special weather statement, Nov 14, 1:45 PM CST, 57 minutes before

MSZALL-142300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
145 PM CST SUN NOV 14 1993

 ...TORNADO WATCH 944 IS IN EFFECT IN NORTH MISSISSIPPI UNTIL 600 PM...
 ...TORNADO WATCH 945 IN IN EFFECT IN CENTRAL AND SOUTHWEST MISSISSIPPI
   UNTIL 7 PM...

AT 140 PM CST...A LINE OF THUNDERSTORMS EXTENDED ALONG AND WEST OF A LINE
FROM JUST NORTH OF NATCHEZ TO ROLLING FORK TO GREENWOOD TO TUTWILER.

SOME OF THE STRONGER THUNDERSTORMS WERE LOCATED NEAR MAYERSVILLE IN
NORTH ISSAQUENA COUNTY AND NEAR GLEN ALLAN IN SOUTH WASHINGTON COUNTY.

ANY OF THE THUNDERSTORMS HAVE THE POTENTIAL FOR CAUSING EXTREMELY HEAVY
RAIN FOR A BRIEF TIME...IN ADDITION TO GUSTY WINDS UP TO 40 MILES AN
HOUR.  MOST STORMS WERE MOVING NORTHEAST AT NEAR 45 MILES AN NOUR.

Special weather statement, Nov 14, 2:07 PM CST, 35 minutes before

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Special weather statement, Nov 14, 2:08 PM CST, 34 minutes before

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        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
        Please try again in a few minutes.
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      <p class="small" id="detail">
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Special weather statement, Nov 14, 2:12 PM CST, 30 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>
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Special weather statement, Nov 14, 2:15 PM CST, 27 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>
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The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 14, 12:34 PM CST	Severe Thunderstorm Warning	JAN	Bolivar	26 min
Nov 14, 1:24 PM CST	Severe Thunderstorm Warning	JAN	Issaquena	36 min
Nov 14, 1:58 PM CST	Tornado Warning	JAN	Humphreys, Sharkey, Washington	32 min
Nov 14, 2:31 PM CST	Severe Thunderstorm Warning	JAN	Carroll, Holmes, Leflore	59 min
Nov 14, 3:22 PM CST	Severe Thunderstorm Warning	JAN	Yazoo	53 min
Nov 14, 4:46 PM CST	Tornado Warning	JAN	Leake	44 min
Nov 14, 5:16 PM CST	Severe Thunderstorm Warning	JAN	Rankin	44 min
Nov 14, 5:31 PM CST	Tornado Warning	JAN	Leake	29 min
Nov 14, 5:51 PM CST	Severe Thunderstorm Warning	JAN	Neshoba	54 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1993 Every severe thunderstorm warning in 1993

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.