Alert archive / Indiana / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 8, NWS Louisville, KY

March 22, 1991Harrison County, Indiana

NWS Louisville, KY issued this severe thunderstorm warning at Mar 22, 1991, 6:30 PM EST for Harrison County, Indiana. It was in force for 20 min.

The area

The counties it named.

The facts

Issued
Mar 22, 1991, 6:30 PM EST (23:30 UTC)
Expired
Mar 22, 1991, 6:50 PM EST
In force
20 min
Issued by
NWS Louisville, KY
Area
Whole counties

County Harrison County, IN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 11.5 hours before the alert went out and 234 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-pSkew-T log-p diagram, Nashville Metro, TN at 12:00Z on 1991-03-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 1991-03-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -233 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
728 m above ground
0-6 km bulk shear
77 kt
0-1 km storm-relative helicity
-233 m²/s²
0-3 km storm-relative helicity
126 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.

In the hours before

Special weather statement, Mar 22, 4:20 PM EST, 2 hours 10 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, Mar 22, 4:49 PM EST, 1 hour 41 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, Mar 22, 5:02 PM EST, 1 hour 28 minutes before
KYZ004-009-INZ013-015-230000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
500 PM EST FRI MAR 22 1991

...TORNADO WATCH IN EFFECT FOR CENTRAL KENTUCKY AND SOUTH CENTRAL
INDIANA UNTIL 10 PM EST...

SHOWERS AND THUNDERSTORMS WERE MOVING RAPIDLY EAST ACROSS WEST
KENTUCKY LATE THIS AFTERNOON.  THESE SHOWERS AND THUNDERSTORMS WILL
MOVE INTO CENTRAL KENTUCKY AND SOUTH CENTRAL INDIANA BY 6 PM EST.

A FEW OF THE THUNDERSTORMS MAY BEC$OME SEVERE THIS EVENING.  A TORNADO
WATCH CONTINUES IN EFFECT UNTIL 1000 PM EST.

LISTEN TO NOAA WEATHER RADIO FOR THE LATEST STATEMENTS AND POSSIBLE
WARNINGS.

HOLDERBACH
<
HOLDERBACH
Special weather statement, Mar 22, 6:10 PM EST, 20 minutes before
KYZ004-009-INZ013-015-230100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
600 PM EST FRI MAR 22 1991

THUNDERSTORMS WITH HEAVY RAIN...POSSIBLE HAIL AND STRONG GUSTS OF
WIND MOVE INTO NORTH CENTRAL KENTUCKY AND SOUTH CENTRAL INDIANA.

SHOWERS AND THUNDERSTORMS HAVE MOVED INTO SOUTH CENTRAL KENTUCKY
AND NORTH CENTRAL INDIANA. THE TUNDERSTORMS WITH THE HEAVIEST RAINFALL
WERE 50 MILES SOUTHWEST AND WEST OF LOUISVILLE MOVING EAST AT 45 MPH.
A TORNADO WATCH IS IN EFFECT FOR NORTH CENTRAL KENTUCKY AND SOUTH
CENTRAL INDIANA UNTIL 10 PM EST.  THE AREA IS ALSO UNDER A FLASH
FLOOD WATCH UNTIL MIDNIGHT.

AS THE THUNDERSTORMS APPROACH THE REGION...INCLUDING THE LOUISVILLE
METRO AREA. THERE WILL BE STRONG GUSTS OF WIND...SMALL HAIL AND
VERY HEAVY DOWNPOURS OF RAIN.
BE PREPARED TO MOVE INDOORS. DRIVING WILL BECOME DANGEROUS AS THE
RAIN AND WIND WILL REDUCE VISIBILITIES AND CAUSE FLOODING OF STREETS.
STAY TUNED TO NOAA WEATHERr RADIO AND LOCAL TV OR RADIO STATIONS
FOR WARNINGS.

WILSON
Special weather statement, Mar 22, 6:14 PM EST, 16 minutes before
KYZ004-009-INZ013-015-230100-

SPECIAL WEATHER STATEMENT...CORRECTED...
NATIONAL WEATHER SERVICE LOUISVILLE KY
600 PM EST FRI MAR 22 1991

THUNDERSTORMS WITH HEAVY RAIN...POSSIBLE HAIL AND STRONG GUSTS OF
WIND MOVE INTO NORTH CENTRAL KENTUCKY AND SOUTH CENTRAL INDIANA.

SHOWERS AND THUNDERSTORMS HAVE MOVED INTO SOUTH CENTRAL INDIANA AND
NORTH CENTRAL KENTUCKY. THE TUNDERSTORMS WITH THE HEAVIEST RAINFALL
WERE 50 MILES SOUTHWEST AND WEST OF LOUISVILLE MOVING EAST AT 45 MPH.
A TORNADO WATCH IS IN EFFECT FOR NORTH CENTRAL KENTUCKY AND SOUTH
CENTRAL INDIANA UNTIL 10 PM EST.  THE AREA IS ALSO UNDER A FLASH
FLOOD WATCH UNTIL MIDNIGHT.

AS THE THUNDERSTORMS APPROACH THE REGION...INCLUDING THE LOUISVILLE
METRO AREA. THERE WILL BE STRONG GUSTS OF WIND...SMALL HAIL AND
VERY HEAVY DOWNPOURS OF RAIN.
BE PREPARED TO MOVE INDOORS. DRIVING WILL BECOME DANGEROUS AS THE
RAIN AND WIND WILL REDUCE VISIBILITIES AND CAUSE FLOODING OF STREETS.
STAY TUuNED TO NOAA WEATHER RADIO AND LOCAL TV OR RADIO STATIONS
FOR WARNINGS AND FURTHUR STATEMENTS.

WILSON
Special weather statement, Mar 22, 6:30 PM EST, 0 minutes before
KYZ007-230100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LEXINGTON KY
630 PM EST FRI MAR 22 1991

...FLASH FLOOD WATCH FOR EAST CENTRAL KENTUCKY UNTIL MIDNIGHT...

AT 625 PM EST...WEATHER SERVICE RADAR INDICATES THE LEADING EDGE OF A
LARGE AREA OF SHOWERS AND THUNDERSTORMS...SOME WITH VERY HEAVY RAIN NOW
ENTERING WESTERN ANDERSON...WESTERN MERCER AND WESTERN FRANKLIN COUNTY.
THE AREA IS MOVING RAPIDLY THE EAST AT 50 MPH. OVER THE NEXT ONE TO TWO
HOURS THIS AREA WILL OVERSPREAD ALL OF EAST CENTRAL KENTUCKY.

STRONG GUSTY WINDS...BRIEF HEAVY RAIN...DANGEROUS LIGHTNING AND SMALL
HAIL WILL BE POSSIBLE WITH SOME OF THESES STORMS AS THE EVENING PROGRESSES.

A FLASH FLOOD WATCH IS IN EFFECT FOR ALL OF EAST CENTRAL KENTUCKY.
IF YOU ARE IN A LOW LYING OR FLOOD PRONE AREA...BE PREPARED TO MOVE TO
HIGHER GROUND. WHEN DRIVING INTO SHOWERS...BE PREPARED TO ENCOUNTER
REDICED VISIBILITIES AND PONDING OF WATER OR POSSIBLE FLOODED ROADWAYS.

LISTEN TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

SZAPPANOS

The office that day

Everything else NWS Louisville, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 21, 8:58 PM ESTSevere Thunderstorm WarningLMKBreckinridge, Meade62 min
Mar 22, 1:21 AM ESTSevere Thunderstorm WarningLMKGreen, Taylor39 min
Mar 22, 1:21 AM ESTSevere Thunderstorm WarningLMKCasey39 min
Mar 22, 2:06 AM ESTSevere Thunderstorm WarningLMKCasey, Lincoln39 min
Mar 22, 2:03 PM ESTSevere Thunderstorm WarningLMKMeade42 min
Mar 22, 2:59 PM ESTSevere Thunderstorm WarningLMKJefferson, Oldham31 min
Mar 22, 3:22 PM ESTSevere Thunderstorm WarningLMKHenry, Shelby53 min
Mar 22, 3:31 PM ESTFlash Flood WarningLMKJefferson, Oldham59 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1991Every severe thunderstorm 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.