Overview
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THIS PAGE IS STILL UNDER CONSTRUCTION AND ALL INFORMATION SHOULD BE CONSIDERED PRELIMINARY
A line of strong to severe thunderstorms developed ahead of a cold front, pushing southeast across southern Indiana and Kentucky during the afternoon and evening hours on July 21st, 2026. Ahead of the cold front, a potent environment was present as high heat and humidity combined with unseasonably strong vertical wind shear to create a favorable environment for severe weather. A mixture of supercell thunderstorms and bowing line segments moved across the region, producing damaging winds, isolated large hail, and a couple tornadoes. While most instances of damage were brief and localized, a few longer swaths of straight-line wind damage and a long-track tornado were observed. |
 Latest Damage Survey Map as of 330 PM EDT 07/22/26 |
Tornadoes
Select a tornado from the table to zoom into the track and view more information. The default table view is limited to 8 tracks, but can be scrolled by a mouse wheel or dynamically expanded. Additionally, the table can fill the entire window by clicking the small circular expanding arrow icon at the very top right of the table and returned to its original size by clicking the button again. The side information panel that opens over the map can be closed using the "X" on the upper right corner of the pop-up. Zoom into the map and click damage points to see detailed information and pictures from the surveys.
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NOTE: times shown below are local to your device's time zone. |
The Enhanced Fujita (EF) Scale classifies tornadoes into the following categories:
| EF0 Weak 65-85 mph |
EF1 Moderate 86-110 mph |
EF2 Significant 111-135 mph |
EF3 Severe 136-165 mph |
EF4 Extreme 166-200 mph |
EF5 Catastrophic 200+ mph |
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| Tornadoes that fail to impact any ratable damage indicators on the EF-Scale are rated EF-Unknown (EF-U) | |||||
Wind & Hail
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Wind
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Hail
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Flooding
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Hydrographs
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Photos & Video
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Radar
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Storm Reports
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Environment
Synoptic Fields
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| 300 mb Heights, Winds, and Divergence, 21 UTC 07/21/26 | 500 mb Heights, Temperatures, and Winds, 21 UTC 07/21/26 | 700 mb Heights, Temperatures, Winds, and Relative Humidity, 21 UTC 07/21/26 |
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| 850 mb Heights, Temperatures, and Winds, 21 UTC 07/21/26 | 925 mb Heights, Temperatures, Winds, and Relative Humidity, 21 UTC 07/21/26 | Surface Temperature, Dewpoint, Pressure, and Winds, 21 UTC 07/21/26 |
Wind Shear and Helicity Parameters
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| Effective Bulk Shear, 18 UTC 07/21/26 | Effective Bulk Shear, 21 UTC 07/21/26 | Effective Bulk Shear, 00 UTC 07/22/26 |
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| Surface to 3 km Shear, 18 UTC 07/21/26 | Surface to 3 km Shear, 21 UTC 07/21/26 | Surface to 3 km Shear, 00 UTC 07/22/26 |
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| 0-1 km Storm Relative Helicity, 18 UTC 07/21/26 | 0-1 km Storm Relative Helicity, 21 UTC 07/21/26 | 0-1 km Storm Relative Helicity, 00 UTC 07/22/26 |
Thermodynamic Parameters
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| Mixed Layer CAPE, 18 UTC 07/21/26 | Mixed Layer CAPE, 21 UTC 07/21/26 | Mixed Layer CAPE, 00 UTC 07/22/26 |
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| Lifting Condensation Level, 18 UTC 07/21/26 | Lifting Condensation Level, 21 UTC 07/21/26 | Lifting Condensation Level, 00 UTC 07/22/26 |
Additional Composite Parameters
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| Significant Tornado Parameter, 18 UTC 07/21/26 | Significant Tornado Parameter, 21 UTC 07/21/26 | Significant Tornado Parameter, 00 UTC 07/22/26 |
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| Precipitable Water, 18 UTC 07/21/26 | Precipitable Water, 21 UTC 07/21/26 | Precipitable Water, 0 UTC 07/22/26 |
Additional Information
The Forecast
| SPC Day 3 Categorical Outlook | SPC Day 3 Probabilistic Outlook | SPC Day 2 Categorical Outlook | SPC Day 2 Probabilistic Outlook |
| SPC Day 1 Categorical Outlook | SPC Day 1 Tornado Outlook | SPC Day 1 Hail Outlook | SPC Day 1 Wind Outlook |
Warning Lead Time
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