Hail and Damaging Wind in Iowa, October 1, 2002

Name: Hail and Damaging Wind in Iowa, October 1, 2002
Start: 2002-10-01T14:38
End: 2002-10-01T14:40
Location: Iowa

October 1, 2002 · NWS FSD · 3 events in 1 county or zone

2 hail, 1 thunderstorm wind, as filed by the National Weather Service.

Where it happened

Every event with a place to put it. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 3

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Sioux Falls, SD wrote its last area forecast discussion before the first event at Oct 1, 2:35 PM CST, 3 minutes earlier.

Area forecast discussion, Oct 1, 2:35 PM CST, 3 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>

Hazardous weather outlook, Oct 1, 10:30 AM CST, 4 hours 8 minutes before

SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098-IAZ001>003-
012>014-020>022-031-032-NEZ013-014-021200-

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1130 AM CDT TUE OCT 1 2002

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH DAKOTA...
SOUTHWEST MINNESOTA...NORTHWEST IOWA...AND NORTHEAST NEBRASKA.

.DAY ONE...

SCATTERED SHOWERS AND THUNDERSTORMS WILL PREVAIL ACROSS MUCH OF
NORTHWEST IOWA THIS AFTERNOON.  ISOLATED THUNDERSTORMS MAY BECOME
SEVERE MID TO LATE AFTERNOON...GENERALLY ALONG AND SOUTHEAST OF A
LINE FROM STORM LAKE TO HORNICK.  THE GREATEST THREAT WOULD BE HAIL
UP TO QUARTER SIZE...ALONG WITH SPOTTY HEAVY RAINFALL ONE TO TWO
INCHES.

.SPOTTER CALL TO ACTION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED FROM 200 PM THROUGH 700 PM
SOUTHEAST OF A LINE FROM SPENCER TO SIOUX CITY.

.DAYS TWO THROUGH SEVEN...

AN UNSETTLED AND COOL WEATHER PATTERN WILL AFFECT SOUTHEAST SOUTH
DAKOTA...SOUTHWEST MINNESOTA...NORTHWEST IOWA...AND FAR NORTHEAST
NEBRASKA THE REMAINDER OF THE WEEK INTO THE WEEKEND. THERE IS A
CHANCE OF LIGHT RAIN WEDNESDAY ASSOCIATED WITH AN UPPER LEVEL
DISTURBANCE. HOWEVER...A POTENTIALLY STRONG LOW PRESSURE SYSTEM WILL
DEVELOP IN THE ROCKIES BY THURSDAY...AND MOVE OVER THE AREA THURSDAY
NIGHT AND FRIDAY. SIGNFICANT RAINFALL MAY BE ASSOCIATED WITH THIS
SYSTEM...ESPECIALLY IN NORTHWEST IOWA...FAR SOUTHEAST SOUTH
DAKOTA...AND PARTS OF SOUTHWEST MINNESOTA THURSDAY NIGHT INTO FRIDAY.
ANOTHER PROBABLY WEAKER SYSTEM WILL AFFECT THE AREA BY LATE
SATURDAY...WITH A CHANCE OF A COLD RAIN.

In the hours before

Local storm report, Oct 1, 1:09 PM CST, 1 hour 29 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
209 PM CDT TUE OCT 01 2002

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0118 PM    6 N TABOR                 SD   .88 INCH HAIL
10/01/02   BON HOMME                      REPORTED BY PUBLIC.

0125 PM    1 S LESTERVILLE           SD   .88 INCH HAIL
10/01/02   YANKTON                        REPORTED BY STORM
                                          SPOTTER.

0126 PM    3 NE LESTERVILLE          SD   .75 INCH HAIL
10/01/02   YANKTON                        REPORTED BY PUBLIC.

0128 PM    12 SW HURLEY              SD   .75 INCH HAIL
10/01/02   TURNER                         REPORTED BY PUBLIC.

0137 PM    8 NE UTICA                SD   1 INCH HAIL
10/01/02   YANKTON

0150 PM    HURLEY                    SD   1.75 INCH HAIL
10/01/02   TURNER

0150 PM    3 W HURLEY                SD   1.25 INCH HAIL
10/01/02   TURNER

Local storm report, Oct 1, 2:18 PM CST, 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
318 PM CDT TUE OCT 01 2002

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0249 PM    5 W LEBANON               IA   1.5 INCH HAIL
10/01/02   SIOUX                          COVERED GROUND.
                                          REPORTED BY PUBLIC.

0312 PM    SIOUX CENTER              IA   .75 INCH HAIL
10/01/02   SIOUX                          REPORTED BY MEDIA.

Local storm report, Oct 1, 2:22 PM CST, 16 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>

Local storm report, Oct 1, 2:35 PM CST, 3 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 radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

2 hail, 1 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Sioux

When: October 1, 2:38 PM CST
Where: Sioux County, Hospers
Measured: 57 kt (66 mph)
Reported by: TRAINED SPOTTER
Coordinates: 43.067, -95.883

Hail, Sioux

When: October 1, 2:38 PM CST
Where: Sioux County, Hospers
Measured: 0.88 in hail
Reported by: BROADCAST MEDIA
Coordinates: 43.067, -95.883

Hail, Sioux

When: October 1, 2:40 PM CST
Where: Sioux County, Hospers
Measured: 0.88 in hail
Reported by: TRAINED SPOTTER
Coordinates: 43.067, -95.883

What these are

Thunderstorm Wind: Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
Hail: Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Iowa in 2002 Every state in 2002 This day in weather history Warnings in Iowa, October 2002

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 5322961, 5322962, 5322963.