IEM Daily Bulletin for Oct 12 2025

[daryl herzmann]

Iowa Environmental Mesonet Daily Bulletin for 12 October 2025

News

No news is good news

IEM Code Pushes <repo,branch> on Github

Timestamp	Repository	Message	Link
No code commits found in previous 24 Hours

Daily Feature

No feature posted

NWS Watch/Warning Summary for 12 AM 11 Oct 2025 - 12 AM 12 Oct 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	15	0	0	0	0	0	0	0
Flash Flood	6	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:  13 Verified:   1 [7.7%]
Polygon Size Versus County Size            [4.0%]
Average Perimeter Ratio                    [0.9%]
Percentage of Warned Area Verified (15km)  [4.1%]
Average Storm Based Warning Size           [1121 sq km]
Probability of Detection(higher is better) [1.00]
False Alarm Ratio (lower is better)        [0.92]
Critical Success Index (higher is better)  [0.08]