IEM Daily Bulletin for Jul 13 2025

[daryl herzmann]

Iowa Environmental Mesonet Daily Bulletin for 13 July 2025

News

No news is good news

IEM Code Pushes <repo,branch> on Github

Timestamp	Repository	Message	Link
Jul 12 10:10 PM	iem,main	⬆️ Update pre-commits	Link
Jul 12 10:28 PM	iem,main	✨ Add product signature/fcster filter to WaWa DL https://mesonet.agron.iastate.edu/request/gis/watchwarn.phtml	Link
Jul 12 10:44 PM	iem,main	📝 Cleanup docs	Link

Daily Feature

No feature posted

NWS Watch/Warning Summary for 12 AM 12 Jul 2025 - 12 AM 13 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	99	0	0	0	0	0	0	0
Flash Flood	53	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: 100 Verified:  46 [46.0%]
Polygon Size Versus County Size            [16.8%]
Average Perimeter Ratio                    [19.4%]
Percentage of Warned Area Verified (15km)  [26.7%]
Average Storm Based Warning Size           [870 sq km]
Probability of Detection(higher is better) [0.71]
False Alarm Ratio (lower is better)        [0.54]
Critical Success Index (higher is better)  [0.39]