Iowa, 2001

Damaging Wind in Iowa, August 2, 2001

August 2, 2001 · NWS FSD · 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 Sioux Falls, SD wrote its last area forecast discussion before the first event at Aug 2, 2:30 AM CST, 5 hours 55 minutes earlier.

Area forecast discussion, Aug 2, 2:30 AM CST, 5 hours 55 minutes before
AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
330 AM CDT THU AUG 2 2001

SHWRS/TSTMS AFFECTING FAR SERN CWA NEAR STORM LAKE ATTM...AND ALSO
APPROACHING SWRN CWA FM NEB. OBVIOUSLY THE CHANCES OF SHWRS/TSTMS
WILL HAVE TO BE COVERED FOR IN SRN CWA FOR MOST OF TDA INTO TNGT
AS TROPICAL RIDGE RIDERS INTERACT WITH LINGERING LOW LVL BOUNDARY.
THERE IS EVEN A CHANCE OF DVLPMT FURTHER N IN CWA AS TROPICAL
MOISTURE INTERACTS WITH NRN STREAM AND WITH RETURN SELY FLW THRU
850MB BY LATE AFTN INTO TNGT. ONLY PLACE THAT COULD BE PROTECTED
IS SWRN MN AND ADJ NWRN IA THRU TNGT AS LOW LVL RDG HOLDS...BUT
THESE AREAS PROBABLY ALSO HAVE THE BEST CHCS FOR NGTTIME AND EARLY
MRNG FOG. HIGH TEMPS TDA AND MAYBE FRI MAY BE TEMPERED BY CLDS AND
HUMIDITY ESP IN SRN CWA. BEST CHC MIXING TO LWR TO MID 90S WL BE
NWRN CWA NR HON...MHE...AND CHB FRI...OTRW MID TO UPR 80S MAY BE
THE BRULE.

.FSD...NONE
RYRHOLM

In the hours before

Local storm report, Aug 2, 8:08 AM CST, 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
908 AM CDT THU AUG 02 2001

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

0737 AM    (SUX)SIOUX CITY ARPT      IA   61 MPH TSTM GUST
08/02/01   WOODBURY                       RECORDED ON AUTOMATED
                                          EQUIPMENT.

0740 AM    NORTH SIOUX CITY          SD   1.25 INCH HAIL
08/02/01   UNION

0740 AM    NORTH SIOUX CITY          SD   60 MPH TSTM GUST
08/02/01   UNION

0742 AM    NORTH SIOUX CITY          SD   1.25 INCH HAIL
08/02/01   UNION                          REPORTED BY STORM
                                          SPOTTER.

0742 AM    NORTH SIOUX CITY          SD   60 MPH TSTM GUST
08/02/01   UNION                          TREE LIMBS DOWN.
                                          REPORTED BY STORM
                                          SPOTTER.

0745 AM    NORTH SIOUX CITY          SD   1.75 INCH HAIL
08/02/01   UNION

0747 AM    SIOUX CITY                IA   70 MPH TSTM GUST
08/02/01   WOODBURY                       MEASURED BY TV STATION
                                          EQUIPMENT. POWER OUT.
                                          REPORTED BY MEDIA.

0750 AM    SIOUX CITY                IA   WIND DAMAGE
08/02/01   WOODBURY                       TREE DAMAGE. REPORTED
                                          BY EMERGENCY MANAGEMENT.

0750 AM    (SUX)SIOUX CITY ARPT      IA   63 MPH TSTM GUST
08/02/01   WOODBURY                       MEASURED BY AUTOMATED
                                          OBSERVING EQUIPMENT.

0750 AM    SIOUX CITY                IA   1.75 INCH HAIL
08/02/01   WOODBURY

0750 AM    SIOUX CITY                IA   98 MPH TSTM GUST
08/02/01   WOODBURY                       NUMEROUS POWER LINES
                                          DOWN IN SIOUX CITY
                                          METRO AREA. RECORDED BY
                                          STORM SPOTTER WEATHER
                                          STATION.

0750 AM    1 W SIOUX CITY            IA   .88 INCH HAIL
08/02/01   WOODBURY                       REPORTED BY STORM
                                          SPOTTER.

0820 AM    3 NE MOVILLE              IA   60 MPH TSTM GUST
08/02/01   WOODBURY                       LARGE TREE BLOWN DOWN.
                                          REPORTED BY STORM
                                          SPOTTER.

The radar

The Des Moines radar (KDMX), 161 km away, was scanning. The volume nearest the first event began at 14:24 UTC.

Open the radar archive at this moment

Event by event

1 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Buena Vista

When
August 2, 8:25 AM CST
Where
Buena Vista County, Marathon
Measured
52 kt (60 mph)
Reported by
GENERAL PUBLIC
Coordinates
42.850, -94.967

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 Iowa in 2001Every state in 2001This day in weather historyWarnings in Iowa, August 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: 5265271.