IEM Daily Bulletin for Jul 2 2025
daryl herzmann
Iowa Environmental Mesonet Daily Bulletin for 02 July 2025
News
No news is good newsIEM Code Pushes <repo,branch> on Github
| Timestamp | Repository | Message | Link |
|---|---|---|---|
| Jul 1 9:41 AM | iem,main | 🔥 Finish Jquery/Jquery-UI removal, whew | Link |
| Jul 1 9:48 AM | iem,main | 💚 Address some deepsource concerns | Link |
| Jul 1 11:51 AM | iem,main | 🐛 Fix iemss submit bug | Link |
| Jul 1 12:11 PM | iem,main | 🐛 Fix vtec search by wfo bug | Link |
| Jul 1 1:18 PM | iem,main | 🐛 Set maxOptions to 1000 for TomSelect | Link |
| Jul 1 1:19 PM | iem,main | 📝 Address some lint | Link |
| Jul 1 1:18 PM | iem,main | 🐛 Set maxOptions to 1000 for TomSelect | Link |
| Jul 1 1:35 PM | iem,main | 📝 Address some deepsource lint | Link |
| Jul 1 10:09 AM | pyiem,main | 🔥 Drop jquery usage in template | Link |
Daily Feature
Cedar Rapids below half inch
Date: 01 Jul 05:30 AM
Votes: Good: 14
Bad: 0 Abstain: 0
Back on May 20th, the Cedar Rapids Airport reported just over an inch of precipitation. Since then, the highest total has only been 0.49 inches making for a streak of over 40 days below a half inch of precipitation. The featured chart looks into such streaks for the site by plotting the maximum consecutive days by day of the year (blue line). The red line plots consecutive days with no measurable precipitation and finally the bottom panel simply reports the daily maximum precipitation amounts. Sitting at a 40 day streak on the 1st of July is getting close to the maximum at 50 days, but the current stretch would have to extend into late August before exceeding this particularly pigeon-holed record statistic. Of course, such streaks are much easier to achieve during the cold season when daily precipitation amounts are much less.
The featured media can be generated on-demand here
.NWS Watch/Warning Summary for 12 AM 1 Jul 2025 - 12 AM 2 Jul 2025 CDT
| Summary | By WFO | Watches | ||||||
|---|---|---|---|---|---|---|---|---|
| Type | US | IA | ARX | DVN | DMX | OAX | FSD | US |
| Tornado | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Svr Tstorm | 142 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| Flash Flood | 46 | 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: 144 Verified: 75 [52.1%] Polygon Size Versus County Size [23.7%] Average Perimeter Ratio [24.0%] Percentage of Warned Area Verified (15km) [22.1%] Average Storm Based Warning Size [1691 sq km] Probability of Detection(higher is better) [0.71] False Alarm Ratio (lower is better) [0.48] Critical Success Index (higher is better) [0.43]