South Dakota, 2001

Damaging Wind in South Dakota, July 18, 2001

July 18, 2001 · NWS UNR · 1 event in 1 county or zone

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
1

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 18, 1:30 PM MST, 7 hours 15 minutes earlier.

Area forecast discussion, Jul 18, 1:30 PM MST, 7 hours 15 minutes before
AREA FORECAST DISCUSSION FOR WESTERN SD AND NORTHEASTERN WY
NATIONAL WEATHER SERVICE RAPID CITY SD
230 PM MDT WED JUL 18 2001

LATEST SFC ANALYSIS SHOWS NRLY STNRY LOW OVER CENT SD. A TROF
EXTENDS ACROSS S-CENT SD FM THIS LOW. SATELLITE IMAGES REVEAL TCU
OVER BLK HLS HAS DISSIPATED WHILE ISOLD CU TRYING TO GET GOING OVER
NE WY. KUDX PPINE.

MODELS INITIALIZE WELL AND SHOW PRETTY GOOD AGREEMENT. ETA HAS BEEN
SHOWING BEST RUN TO RUN CONSISTENCY. CAA AND DRYING HAS SUPPRESSED
CONVECTIVE DEVLPMNT OVER WRN SD TDY. TWO S/WVS SEEN IN WV IMAGES ONE
OVER WA AND ANOTHER WEAK ONE OVER NV. MODELS BRING A WEAK WAVE
ACROSS NRN WY TONIGHT. THIS WILL BRING A GOOD PUSH OF THETA-E
ADVECTION ACROSS NE WY AND NW SD. FAIRLY STEEP LAPSE RATES...SO WE
MAY SEE SOME ELEVATED CONVECTION LATE EVE/OVERNIGHT IN WRN AND NRN
ZONES. THE STRONGER WA WAVE WILL PUSH THROUGH TOMORROW COINCIDENT
WITH AFTERNOON HEATING AND MIXING. THIS ENERGY WILL SKIRT WRN AND
NRN ZONES AND LIKELY FORM AN MCS OVER ND THUR EVE. SO WILL
ANTICIPATE SCT AFTERNOON TSTMS W AND N...WITH ISOLATED ACTIVITY
ELSEWHERE. HEADING INTO EXTENDED PERIODS...UPPER LEVEL RIDGE OVER S
CENT U.S. AND LOW OVER SW CANADA WILL KEEP THIS SAME PATTERN GOING.
LITTLE CHANGE IN TEMPS OTHER THAN THE REBOUND THE NEXT FEW DAYS FROM
TODAYS ROBUST CAA.

AVN GUIDANCE TOO COLD AND WET. PREFER THE WARMER AND DRIER NGM FOR
EARLY PERIODS. GUIDANCE COMES INTO BETTER AGREEMENT IN LATER PERIODS
AND LOOKS REASONABLE.

.UNR...NONE.

99

In the hours before

Local storm report, Jul 18, 8:44 PM MST, 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
944 PM MDT WED JUL 18 2001

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

0850 PM    CAMP CROOK                SD   58 MPH TSTM GUST
07/18/01   HARDING

0855 PM    13 WSW LADNER             SD   80 MPH TSTM GUST
07/18/01   HARDING                        WINDOWS BLOWN OUT OF
                                          HOUSE

0900 PM    2 E LADNER                SD   60 MPH TSTM GUST
07/18/01   HARDING

0900 PM    2 E LADNER                SD   .75 INCH HAIL
07/18/01   HARDING

0907 PM    BUFFALO ARPT              SD   75 MPH TSTM GUST
07/18/01   HARDING

The radar

The Rapid City radar (KUDX), 186 km away, was scanning. The volume nearest the first event began at 03:47 UTC.

Open the radar archive at this moment

Event by event

1 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Perkins

When
July 18, 8:45 PM MST
Where
Perkins County, 13 mi W of Lodgepole
Measured
52 kt (60 mph)
Reported by
TRAINED SPOTTER
Coordinates
45.800, -102.933

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.

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

The same day elsewhere

More

Every storm in South Dakota in 2001Every state in 2001This day in weather historyWarnings 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 2026-09-24. Each event’s entry at NCEI: 5260264.