Iowa Environmental Mesonet Daily Bulletin for 15 March 2026

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NWS Watch/Warning Summary for 12 AM 14 Mar 2026 - 12 AM 15 Mar 2026 CDT

Summary By WFO Watches
Type USIA ARXDVNDMXOAXFSD US
Tornado 0 0 0 0 0 0 0 0
Svr Tstorm 2 0 0 0 0 0 0 0
Flash Flood 3 0 0 0 0 0 0---

ARX = LaCrosse, WI DVN = Davenport, IA DMX = Des Moines, IA OAX = Omaha, NE FSD = Sioux Falls, SD

IEM Cow Report

SVR+TOR Warnings Issued:   2 Verified:   0 [0.0%]
Polygon Size Versus County Size            [9.4%]
Average Perimeter Ratio                    [0.0%]
Percentage of Warned Area Verified (15km)  [0.0%]
Average Storm Based Warning Size           [632 sq km]
Probability of Detection(higher is better) [0.00]
False Alarm Ratio (lower is better)        [1.00]
Critical Success Index (higher is better)  [0.00]

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