Date: 02 Sep 05:30 AM
Votes: Good: 16 Bad: 0 Abstain: 0
| Timestamp | Repository | Message | Link |
|---|---|---|---|
| Sep 2 2:55 PM | iem,main | ✨ Ingest 0z GEFS to IEMRE database | Link |
| Sep 2 2:59 PM | iem,main | 🚧 Categorize more events and fix extras plotting | Link |
| Sep 2 1:09 PM | iem-database,main | ✨ Add GEFS storage for IEMRE | Link |
| Sep 2 10:46 PM | iem-web-services,main | ⬆️ Update ruff | Link |
| Sep 2 10:46 PM | iem-web-services,main | ✨ Swap CFS with GEFS for drydown tool | Link |
Too Muggy for September
Date: 02 Sep 05:30 AM
Votes: Good: 16
Bad: 0 Abstain: 0
The first day of September felt nothing like fall with near record high temperatures and very humid air. For Sioux City, the maximum reported dew point temperature based on hourly reports was 77°F, which was an unofficial record maximum for the month of September. Yes yes, setting such a record on the first day of the month somewhat diminishes the record as it would not be a record during August. That issue aside, the featured chart presents the hourly maximum dew point reports for the site during the month of September. Dew point readings on Monday were buoyed over northern Iowa thanks to "moisture pooling" along a frontal boundary. Hot and marginally less humid conditions will continue today as summer rolls on!
The featured media can be generated on-demand here
.| Summary | By WFO | Watches | ||||||
|---|---|---|---|---|---|---|---|---|
| Type | US | IA | ARX | DVN | DMX | OAX | FSD | US |
| Tornado | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Svr Tstorm | 176 | 1 | 7 | 0 | 0 | 0 | 0 | 5 |
| Flash Flood | 40 | 0 | 0 | 0 | 0 | 0 | 0 | --- |
ARX = LaCrosse, WI DVN = Davenport, IA DMX = Des Moines, IA OAX = Omaha, NE FSD = Sioux Falls, SD
SVR+TOR Warnings Issued: 193 Verified: 96 [49.7%] Polygon Size Versus County Size [38.2%] Average Perimeter Ratio [31.6%] Percentage of Warned Area Verified (15km) [26.3%] Average Storm Based Warning Size [2586 sq km] Probability of Detection(higher is better) [0.90] False Alarm Ratio (lower is better) [0.50] Critical Success Index (higher is better) [0.47]
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