Five tornadoes occurred in Webster county during the late evening hours as a lone supercell moved southeast.  They tornadoes remained in rural areas with damage confined to crops.
The aforementioned supercell began hours earlier in eastern South Dakota/SW Minnesota and trekked to the SE along the SB/MUCAPE gradients within a supportive environment for continued maintenance and rotation. Vicinity MUCAPE values were 2000-3000 J/kg, effective bulk shear 35-40+ kts, LCL values under 1000m, effective helicity around 100-200 m2/s2. Additionally, SBCIN values increased to the S/W/SW of the storm, aiding in allowing it to exist largely by its lonesome.

Tornado in WEBSTER, IOWA
From 08-AUG-21 22:00:00 to 08-AUG-21 22:06:00 (CST-6)
Location: MOORLAND NESLER ARPT
Tornado F-scale: EFU
Property damage: 0.00K
Crop damage: 1.00K
Reported by: Other Federal Agency

Weak tornado occurred southeast of Moorland and remained in rural areas.  Path was determined using high resolution satellite data.  No damage indicators were impacted, hence the EFU rating.

Tornado in WEBSTER, IOWA
From 08-AUG-21 22:19:00 to 08-AUG-21 22:25:00 (CST-6)
Location: LINDGREN
Tornado F-scale: EFU
Property damage: 0.00K
Crop damage: 1.00K
Reported by: Other Federal Agency

Weak tornado occurred southwest of Otho and remained in rural areas.  Path was determined using high resolution satellite data.  No damage indicators were impacted, hence the EFU rating.

Tornado in WEBSTER, IOWA
From 08-AUG-21 22:47:00 to 08-AUG-21 22:54:00 (CST-6)
Location: PALM GROVE
Tornado F-scale: EFU
Property damage: 0.00K
Crop damage: 1.00K
Reported by: Other Federal Agency

Weak tornado occurred north of Harcourt and remained in rural areas.  Path was determined using high resolution satellite data.  No damage indicators were impacted, hence the EFU rating.

Tornado in WEBSTER, IOWA
From 08-AUG-21 23:02:00 to 08-AUG-21 23:06:00 (CST-6)
Location: HARCOURT
Tornado F-scale: EFU
Property damage: 0.00K
Crop damage: 1.00K
Reported by: Other Federal Agency

Weak tornado occurred northeast of Harcourt and remained in rural areas.  Path was determined using high resolution satellite data.  No damage indicators were impacted, hence the EFU rating.

Tornado in WEBSTER, IOWA
From 08-AUG-21 23:06:00 to 08-AUG-21 23:07:00 (CST-6)
Location: HARCOURT
Tornado F-scale: EFU
Property damage: 0.00K
Crop damage: 0.20K
Reported by: Other Federal Agency

Weak tornado occurred east of Harcourt and remained in rural areas.  Path was determined using high resolution satellite data.  No damage indicators were impacted, hence the EFU rating.

Funnel Cloud in POCAHONTAS, IOWA
From 08-AUG-21 19:41:00 to 08-AUG-21 19:41:00 (CST-6)
Location: FONDA
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Funnel Cloud in POCAHONTAS, IOWA
From 08-AUG-21 19:49:00 to 08-AUG-21 19:49:00 (CST-6)
Location: FONDA
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Funnel Cloud in POCAHONTAS, IOWA
From 08-AUG-21 19:56:00 to 08-AUG-21 19:56:00 (CST-6)
Location: FONDA
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Location and time estimated by radar.

Funnel Cloud in POCAHONTAS, IOWA
From 08-AUG-21 20:09:00 to 08-AUG-21 20:09:00 (CST-6)
Location: PALMER
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser