IEM Daily Bulletin for Jul 5 2025

[daryl herzmann]

Iowa Environmental Mesonet Daily Bulletin for 05 July 2025

News

No news is good news

IEM Code Pushes <repo,branch> on Github

Timestamp	Repository	Message	Link
Jul 4 5:51 PM	iem,main	🐛 Fix layout issue	Link

Daily Feature

No feature posted

NWS Watch/Warning Summary for 12 AM 4 Jul 2025 - 12 AM 5 Jul 2025 CDT

	Summary		By WFO					Watches
Type	US	IA	ARX	DVN	DMX	OAX	FSD	US
Tornado	1	0	0	0	0	0	0	0
Svr Tstorm	98	0	1	0	0	0	0	1
Flash Flood	45	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:  99 Verified:  30 [30.3%]
Polygon Size Versus County Size            [21.1%]
Average Perimeter Ratio                    [27.3%]
Percentage of Warned Area Verified (15km)  [8.5%]
Average Storm Based Warning Size           [2561 sq km]
Probability of Detection(higher is better) [0.57]
False Alarm Ratio (lower is better)        [0.70]
Critical Success Index (higher is better)  [0.25]