IEM Daily Bulletin for Jun 15 2025

[daryl herzmann]

Iowa Environmental Mesonet Daily Bulletin for 15 June 2025

News

No news is good news

IEM Code Pushes <repo,branch> on Github

Timestamp	Repository	Message	Link
Jun 14 7:39 AM	iem,main	🔥 Remove legacy VTEC app content Deployed from https://github.com/akrherz/iemvtec now	Link
Jun 14 7:41 AM	iem,main	⬆️ Update eslint	Link
Jun 14 9:45 PM	iem,main	📝 Restore old LSR app	Link

Daily Feature

No feature posted

NWS Watch/Warning Summary for 12 AM 14 Jun 2025 - 12 AM 15 Jun 2025 CDT

	Summary		By WFO					Watches
Type	US	IA	ARX	DVN	DMX	OAX	FSD	US
Tornado	5	0	0	0	0	0	0	0
Svr Tstorm	160	8	0	0	0	2	8	4
Flash Flood	52	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: 158 Verified:  45 [28.5%]
Polygon Size Versus County Size            [21.8%]
Average Perimeter Ratio                    [28.9%]
Percentage of Warned Area Verified (15km)  [12.4%]
Average Storm Based Warning Size           [1379 sq km]
Probability of Detection(higher is better) [0.69]
False Alarm Ratio (lower is better)        [0.72]
Critical Success Index (higher is better)  [0.25]