Alert archive / Illinois / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 38, NWS Lincoln, IL

May 25, 1989Macoupin County, Morgan County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at May 25, 1989, 1:18 PM CDT for Macoupin County, Morgan County, Illinois. It was in force for 42 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 25, 1989, 1:18 PM CDT (18:18 UTC)
Expired: May 25, 1989, 2:00 PM CDT
In force: 42 min
Issued by: NWS Lincoln, IL
Area: Whole counties

Counties Macoupin County, IL, Morgan County, IL

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

Time	Report	Where	Remark
May 25, 1:53 PM CDT	Hail 2.5	Macoupin, 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 nearest sounding before it

Peoria Regional, IL (KPIA), launched 12:00Z, 6.3 hours before the alert went out and 137 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: 14 J/kg
Mixed-layer CIN: -743 J/kg
Mixed-layer LCL: 1108 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: -26 m²/s²
0-3 km storm-relative helicity: 35 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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

Local storm report, May 25, 8:25 AM CDT, 4 hours 53 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
825AM CDT THU MAY 25 1989

ADDITIONAL REPORTS FROM STORMS OF THURSDAY MORNING MAY 25 1989

TIME              EVENT

300AM CDT ....COLES COUNTY ESDA REPORTED A CONFIRMED TORNADO 21/2 MILES
              NORTHWEST OF ASHMORE...PICKED UP ROOF OFF OF HOME, BLEW
              OUT WINDOWS, DESTROYED 2 HORSE BARNS, TWISTED AND BLEW
              DOWN TREES. NO REPORTS OF INJURIES.
336AM CDT ....AN UNCONFIRMED REPORT BY PUBLIC RELAYED BY A LOCAL RADIO
              STATION OF A FUNNEL CLOUD IN CLARK COUNTY.

NELLEN

Special weather statement, May 25, 9:41 AM CDT, 3 hours 37 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
940 AM CDT THU MAY 25 1989

...A SEVERE THUNDERSTORMS IN SOUTHWEST ILLINOIS...

AT 935 PM CDT A SEVERE THUNDERSTORM WAS LOCATED NEAR PITTSFIELD
ILLINOIS...65 MILES SOUTHWEST OF SPRINGFIELD ILLINOIS.THIS SEVERE
THUNDERSTORM WAS MOVING EAST AT 45 MPH.

THIS THUNDERSTORM MAY PRODUCE DANGEROUS LIGHTNING..DAMAGING WINDS AND
LARGE HAIL.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 3 PM CDT FOR
MUCH OF CENTRAL AND SOUTHERN ILLINOIS

HILLIARD

Special weather statement, May 25, 10:26 AM CDT, 2 hours 52 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, May 25, 10:50 AM CDT, 2 hours 28 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
1045 AM CDT THU MAY 25 1989

...STRONG THUNDERSTORMS IN SOUTHERN SANGAMON AND NORTHER MACOUPIN
   COUNTIES.

AT 1042 AM CDT MACOUPIN COUNTY EMERGENCY SERVICES REPORTED PEA-SIZE
HAIL AT GIRARD ILLINOIS...25 MILES SOUTHWEST OF SPRINGFIELD. ALSO
VERY STRONG THUNDERSTORMS EXTEND NORTHWARD TO JUST WEST OF SPRINGFIELD
ILLINOIS.

MACOUPIN AND SANGAMON COUNTIES CAN EXPECT VERY HEAVY RAINFRALL...HAIL
...STRONG GUSTY WINDS AND DANGEROUS LIGHTNING.

THE THUNDERSTORMS WAS MOVING EAST AT 45 MPH.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 3PM CDT FOR MUCH
OF CENTRAL AND SOUTHERN ILLINOIS.
HILLIARD

The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 24, 11:20 PM CDT	Severe Thunderstorm Warning	ILX	Warren	35 min
May 25, 1:45 AM CDT	Severe Thunderstorm Warning	ILX	Macon, Sangamon	30 min
May 25, 1:54 AM CDT	Tornado Warning	ILX	Sangamon	36 min
May 25, 2:38 AM CDT	Tornado Warning	ILX	DeWitt, Logan	37 min
May 25, 3:11 AM CDT	Severe Thunderstorm Warning	ILX	Champaign, Douglas, Piatt	34 min
May 25, 11:23 AM CDT	Severe Thunderstorm Warning	ILX	Christian, Macon, Shelby	67 min
May 25, 1:41 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Montgomery, Sangamon	64 min
May 25, 2:12 PM CDT	Severe Thunderstorm Warning	ILX	Shelby	63 min
May 25, 4:44 PM CDT	Severe Thunderstorm Warning	ILX	Coles, Douglas, Edgar	61 min
May 25, 5:45 PM CDT	Severe Thunderstorm Warning	ILX	Edgar	30 min
May 25, 6:04 PM CDT	Tornado Warning	ILX	Sangamon	26 min

Nearby

Severe Thunderstorm Warnings in Illinois, 1989 Every severe thunderstorm warning in 1989

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.