Alert archive / Illinois / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 42, NWS St. Louis, MO

May 17, 1991Adams County, Illinois

NWS St. Louis, MO issued this severe thunderstorm warning at May 17, 1991, 9:10 PM CDT for Adams County, Illinois. It was in force for 65 min. 1 report 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 17, 1991, 9:10 PM CDT (02:10 UTC)
Expired: May 17, 1991, 10:15 PM CDT
In force: 65 min
Issued by: NWS St. Louis, MO
Area: Whole counties

County Adams County, IL

What was reported inside it

Time	Report	Where	Remark
May 17, 9:50 PM CDT	Hail 1	Adams, IL

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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

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, May 17, 3:57 PM CDT, 5 hours 13 minutes before

MOZ001>003-005>007-172200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
355 PM CDT FRI MAY 17 1991

...A TORNADO WATCH IS IN EFFECT FOR NORTH CENTRAL AND NORTHEAST
   MISSOURI TILL 9 PM...

AT 345 PM...THUNDERSTERSTORMS WERE OCCURRING OVER NORTH CENTRAL
MISSOURI. THE STRONGEST STORM WAS NORTHEAST OF TRENTON.  THE STORM
WAS MOVING NORTHEAST AT 25 MILES AN HOUR.

THUNDERSTORMS WILL CONTINUE TO DEVELOP OVER THIS PART OF MISSOURI
LATE THIS AFTERNOON AND THIS EVENING.  SOME OF THESE STORMS WILL
REACH SEVERE LIMITS AND MAY ALSO PRODUCE TORNADOES.

IF YOU ARE IN NORTHEAST AND NORTH CENTRAL MISSOURI...OR ARE PLANNING
TO TRAVEL INTO THIS AREA...MONITOR THE WEATHER CONDITIONS CLOSELY BY
LISTENING TO NOAA WEATHER RADIO AND LOCAL RADIO AND T.V. STATIONS. BE
PREPARED TO TAKE IMMEDIATE ACTION IN THE EVENT THAT SEVERE WEATHER
DEVELOPES.

FERRY

Special weather statement, May 17, 5:09 PM CDT, 4 hours 1 minute before

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Special weather statement, May 17, 6:50 PM CDT, 2 hours 20 minutes before

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<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.
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        Please try again in a few minutes.
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The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 17, 9:47 PM CDT	Flash Flood Warning	LSX	Reynolds	3 hr
May 17, 10:04 PM CDT	Severe Thunderstorm Warning	LSX	Lincoln, Warren	56 min
May 18, 3:34 PM CDT	Tornado Warning	LSX	Adams, Brown, Pike	56 min

Nearby

Severe Thunderstorm Warnings in Illinois, 1991 Every 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; verification from NCEI's Storm Data.