IEM Daily Bulletin for Jul 6 2025

[daryl herzmann]

Iowa Environmental Mesonet Daily Bulletin for 06 July 2025

News

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Daily Feature

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NWS Watch/Warning Summary for 12 AM 5 Jul 2025 - 12 AM 6 Jul 2025 CDT

	Summary		By WFO					Watches
Type	US	IA	ARX	DVN	DMX	OAX	FSD	US
Tornado	0	0	0	0	0	0	0	0
Svr Tstorm	73	2	0	2	0	0	0	2
Flash Flood	28	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:  69 Verified:  24 [34.8%]
Polygon Size Versus County Size            [22.1%]
Average Perimeter Ratio                    [24.0%]
Percentage of Warned Area Verified (15km)  [11.9%]
Average Storm Based Warning Size           [2807 sq km]
Probability of Detection(higher is better) [0.66]
False Alarm Ratio (lower is better)        [0.65]
Critical Success Index (higher is better)  [0.29]