Alert archive / Mississippi / Flash Flood Warnings in 1991

Flash Flood Warning 14, NWS Memphis, TN

April 28, 1991Lee County, Mississippi

NWS Memphis, TN issued this flash flood warning at Apr 28, 1991, 9:49 AM CDT for Lee County, Mississippi. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued: Apr 28, 1991, 9:49 AM CDT (14:49 UTC)
Expired: Apr 28, 1991, 1:45 PM CDT
In force: 4 hr
Issued by: NWS Memphis, TN
Area: Whole counties

County Lee County, MS

The nearest sounding before it

Centreville/Bibb, AL (KCKL), launched 12:00Z, 2.8 hours before the alert went out and 207 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: 1688 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 596 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 159 m²/s²
0-3 km storm-relative helicity: 197 m²/s²
Significant tornado parameter: 1.8
Supercell composite: 7.6

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 flash flood 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, Apr 28, 3:51 AM CDT, 5 hours 58 minutes before

MSZ004-005-007-281000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUPELO MS
351 AM CDT SUN APR 28 1991

AT 0345 AM CDT...TUPELO NATIONAL WEATHER SERVICE RADAR WAS INDICATING
A LINE OF VERY HEAVY THUNDERSTORMS FROM ENID RESEVOIR EXTENDING TO THE
NORTHEAST TO NORTHERN TIPPAH COUNTY IN NORTHEAST MISSISSIPPI.

THESE THUNDERSTORMS WERE MOVING TO THE NORTH NORTHEAST AT 35
MILES AN HOUR AND HAVE THE POTENTIAL OF PRODUCING LOCALLY HEAVY
RAINS...FREQUENT DANGEROUS LIGHTNING...STRONG GUSTY WINDS AND HAIL.

ANYONE LIVING IN OR NEAR THE PATH OF THESE THUNDERSTORMS SHOULD REMAIN
WEATHER ALERT AND TAKE THE NECESSARY PRECAUTIONS SHOULD THREATENING
WEATHER APPROACH.

MORE STATEMENTS WILL BE ISSUED AS CONDITIONS WARRANT.

NNNN

Special weather statement, Apr 28, 5:06 AM CDT, 4 hours 43 minutes before

MSZ004-005-007-281115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUPELO MS
506 AM CDT SUN APR 28 1991

   .....TORNADO WATCH NO.216 CONTINUES IN EFFECT FOR PARTS OF NORTH
        MISSISSIPPI UNTIL 7AM THIS MORNING.....

AT 505 AM CDT...TUPELO NATIONAL WEATHER SERVICE RADAR WAS INDICATING A
LINE OF VERY STRONG THUNDERSTORMS FROM GRENADA RESEVOIR EXTENDING TO
THE NORTHEAST TO NORTHERN ALCORN COUNTY.

THESE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 35 MILES AN HOUR
AND HAVE THE POTENTIAL OF PRODUCING LOCALLY HEAVY RAINS...FREQUENT
DANGEROUS LIGHTNING...STRONG GUSTY WINDS AND HAIL.

ANYONE IN OR NEAR THE PATH OF THESE THUNDERSTORMS SHOULD REMAIN
WEATHER ALERT AND TAKE NECESSARY PRECAUTIONS SHOULD THREATENING
WEATHER APPROACH.

MORE STATEMENTS WILL BE ISSUED AS CONDITIONS WARRANT.

NNNN

Special weather statement, Apr 28, 6:12 AM CDT, 3 hours 37 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>

Special weather statement, Apr 28, 7:15 AM CDT, 2 hours 34 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>

Special weather statement, Apr 28, 8:01 AM CDT, 1 hour 48 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 Memphis, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 27, 11:30 PM CDT	Severe Thunderstorm Warning	MEG	Pontotoc	30 min
Apr 28, 12:29 AM CDT	Severe Thunderstorm Warning	MEG	Chickasaw	31 min
Apr 28, 3:17 AM CDT	Severe Thunderstorm Warning	MEG	Lafayette	28 min
Apr 28, 4:15 AM CDT	Severe Thunderstorm Warning	MEG	Tippah, Union	30 min
Apr 28, 5:42 AM CDT	Flash Flood Warning	MEG	Coahoma	4 hr
Apr 28, 8:18 AM CDT	Severe Thunderstorm Warning	MEG	Clay, Oktibbeha	27 min
Apr 28, 8:50 AM CDT	Severe Thunderstorm Warning	MEG	Monroe	40 min
Apr 28, 9:26 AM CDT	Severe Thunderstorm Warning	MEG	Lowndes	34 min
Apr 28, 6:35 PM CDT	Flash Flood Warning	MEG	Lee	7 hr
Apr 28, 6:40 PM CDT	Severe Thunderstorm Warning	MEG	Itawamba, Monroe	50 min

Nearby

Flash Flood Warnings in Mississippi, 1991 Every flash flood warning in 1991

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.