IEM Daily Bulletin for Jun 8 2026

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daryl herzmann

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Jun 8, 2026, 8:12:26 AMJun 8
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Iowa Environmental Mesonet Daily Bulletin for 08 June 2026

News

No news is good news

IEM Code Pushes <repo,branch> on Github

Timestamp Repository Message Link
Jun 7 11:05 PM iem,main 🎨 Sundry cleanups Link


Daily Feature

No feature posted

NWS Watch/Warning Summary for 12 AM 7 Jun 2026 - 12 AM 8 Jun 2026 CDT

Summary By WFO Watches
Type USIA ARXDVNDMXOAXFSD US
Tornado 20 0 0 1 0 0 0 1
Svr Tstorm 98 0 0 0 0 0 0 1
Flash Flood 37 2 0 4 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: 115 Verified:  41 [35.7%]
Polygon Size Versus County Size            [29.3%]
Average Perimeter Ratio                    [24.6%]
Percentage of Warned Area Verified (15km)  [12.8%]
Average Storm Based Warning Size           [3149 sq km]
Probability of Detection(higher is better) [0.70]
False Alarm Ratio (lower is better)        [0.64]
Critical Success Index (higher is better)  [0.31]

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): 2,333
  • Mastodon / Fediverse: 41
  • Slack: 115
  • Twitter/X: 10,051
  • HTTP Webhooks: 323
  • Weather.IM Jabber Chatrooms: 13,739

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