Hail and Damaging Wind in South Dakota, July 9, 2001

Name: Hail and Damaging Wind in South Dakota, July 9, 2001
Start: 2001-07-09T11:05
End: 2001-07-09T11:10
Location: South Dakota

July 9, 2001 · NWS UNR · 2 events in 1 county or zone

1 thunderstorm wind, 1 hail, 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: 2

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 Rapid City, SD wrote its last area forecast discussion before the first event at Jul 9, 8:45 AM MST, 2 hours 20 minutes earlier.

Area forecast discussion, Jul 9, 8:45 AM MST, 2 hours 20 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>

In the hours before

Local storm report, Jul 9, 6:08 AM MST, 4 hours 57 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, Jul 9, 9:33 AM MST, 1 hour 32 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
1033 AM MDT MON JUL 09 2001

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

0530 PM    7 SW CUSTER               SD   WIND DAMAGE
07/08/01   CUSTER                         STRAIGHT-LINE WINDS
                                          DOWNED APPROXIMATELY
                                          2000 TREES ON NATIONAL
                                          FOREST PROPERTY. PEA
                                          SIZE HAIL ACCUMULATED
                                          TO THREE INCHES DEEP.
                                          ALSO, 15 PEOPLE WERE
                                          EVACUATED DUE TO
                                          PROPANE TANKS BEING
                                          LOSE. REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

Bunkers

Special weather statement, Jul 9, 9:55 AM MST, 1 hour 10 minutes before

SDZ026>031-041-042-WYZ055-058-091945-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RAPID CITY SD
1055 AM MDT MON JUL 9 2001

...SLIGHT RISK OF SEVERE THUNDERSTORMS...

THUNDERSTORMS ARE EXPECTED OVER NORTHEASTERN WYOMING AND WESTERN
SOUTH DAKOTA THIS AFTERNOON AND EVENING...WITH A SLIGHT RISK OF
SEVERE THUNDERSTORMS OVER SOUTHWESTERN SOUTH DAKOTA AND NORTHEASTERN
WYOMING. THE MAIN THREAT FROM THE SEVERE THUNDERSTORMS WILL BE HAIL
LARGER THAN 3/4 INCH AND DAMAGING WINDS.

.DISCUSSION...
A WEAK UPPER LEVEL DISTURBANCE PUSHING THROUGH A MOIST AIRMASS IN
PLACE OVER THE REGION WILL TRIGGER SHOWERS AND THUNDERSTORMS.  THE
STORMS WILL DEVELOP IN THE VICINITY OF THE BLACK HILLS EARLY THIS
AFTERNOON AND MOVE EASTWARD ONTO THE PLAINS LATE THIS AFTERNOON AND
INTO THE EVENING HOURS.

COUNTIES INCLUDED IN THIS OUTLOOK ARE SOUTHERN CAMPBELL...WESTON...
CUSTER...PENNINGTON...FALL RIVER AND SHANNON.

uWCJIN-WYNE

T. MURPHY

The radar

The Rapid City radar (KUDX), 53 km away, was scanning. The volume nearest the first event began at 18:06 UTC.

Open the radar archive at this moment

Event by event

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

Thunderstorm Wind, Pennington

When: July 9, 11:05 AM MST
Where: Pennington County, 3 mi N of Sheridan Lake
Measured: 52 kt (60 mph)
Reported by: NWS EMPLOYEE(OFF DUTY)
Coordinates: 44.033, -103.483

Hail, Pennington

When: July 9, 11:10 AM MST
Where: Pennington County, 3 mi N of Sheridan Lake
Measured: 0.75 in hail
Reported by: NWS EMPLOYEE(OFF DUTY)
Coordinates: 44.033, -103.483

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 South Dakota in 2001 Every state in 2001 This day in weather history Warnings in South Dakota, July 2001

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 2026-10-01. Each event’s entry at NCEI: 5260051, 5260052.