IEM Daily Bulletin for Jun 14 2026

[daryl herzmann]

Iowa Environmental Mesonet Daily Bulletin for 14 June 2026

News

No news is good news

IEM Code Pushes <repo,branch> on Github

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Daily Feature

No feature posted

NWS Watch/Warning Summary for 12 AM 13 Jun 2026 - 12 AM 14 Jun 2026 CDT

	Summary		By WFO					Watches
Type	US	IA	ARX	DVN	DMX	OAX	FSD	US
Tornado	22	0	0	0	0	0	0	2
Svr Tstorm	233	14	0	2	5	10	1	7
Flash Flood	26	1	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: 241 Verified:  90 [37.3%]
Polygon Size Versus County Size            [32.2%]
Average Perimeter Ratio                    [36.0%]
Percentage of Warned Area Verified (15km)  [20.2%]
Average Storm Based Warning Size           [1776 sq km]
Probability of Detection(higher is better) [0.86]
False Alarm Ratio (lower is better)        [0.63]
Critical Success Index (higher is better)  [0.35]

IEMBot Social Media Posts

IEMBot can be configured to post messages to a number of social media services. More details: IEMBot Homepage.

Posts yesterday per supported service:

• ATMosphere (bluesky only attm): 2,338
• Mastodon / Fediverse: 23
• Slack: 146
• Twitter/X: 10,592
• HTTP Webhooks: 359
• Weather.IM Jabber Chatrooms: 15,703