A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >
Overview
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Severe thunderstorms developed on the evening of March 13, 2024. These storms produced large hail up to softball size, damaging winds, and two tornadoes. Both of these tornadoes were rated EF-2, the first in rural areas of Wabaunsee County northeast of Alta Vista and the second in Shawnee County just northwest of Rossville. |
 EF-2 tornado near Alta Vista. Image courtesy of Travis Heying of Kansas.com. |
Tornadoes:
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Tornado 1 - Northeast of Alta Vista
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Tornado 2 - Rossville
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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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Photos
Tornadoes
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| Tornado near Alta Vista. (Image courtesy of Sierra Lindsey.) |
Tornado near Alta Vista. (Image courtesy of John Homenuk.) | Tornado near Alta Vista. (Image courtesy of Charles Peak. |
Tornado near Alta Vista. (Image courtesy of Travis Heying.) |
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| Tornado near Alta Vista. (Image courtesy of Scott Currens.) |
Tornado near Alta Vista. (Image courtesy of Nick Gorman.) |
Tornado and wider supercell structure near Alta Vista. (Image courtesy of Chip Redmond.) |
The tornado near Rossville, looking north from I-70. (Image courtesy of AJ Dome.) |
Damage Survey
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| EF-2 tree damage between Alta Vista and Volland. | EF-1 damage to a barn roof northeast of Volland. | EF-2 damage to a home northwest of Rossville. |
Radar
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| Reflectivity (left) and storm-relative velocity (right) from the KTWX radar across western Wabaunsee County. | Zoomed radar view of the tornado near peak strength northeast of Alta Vista, around 7:56 PM CDT. Reflectivity on left and storm relative velocity on right. | Reflectivity (left) and storm-relative velocity (right) from the KTWX radar across northwest Shawnee and southern Jackson County. | Zoomed radar view of the tornado near peak strength northeast of Rossville, around 8:30 PM CDT. Reflectivity on left and storm relative velocity on right. |
Environment
Storm Prediction Center Day 1 Outlook - 1630z
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| Categorical Outlook | Tornado Outlook | Hail Outlook |
Severe weather parameters
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| 00 UTC (7 pm) upper air sounding at Topeka. | Surface based CAPE valid at 7 pm. | Significant Tornado Parameter valid at 7 pm. |
Synoptic Data
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| 500 mb pattern valid at 7 pm | 850 mb pattern valid at 7 pm | Mean sea level pressure and surface winds valid at 7 pm. |
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