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Storm Events Database
Event Details
| Event | Hail |
| Magnitude | 1.00 in. |
| State | IOWA |
| County/Area | CLAYTON |
| WFO | ARX |
| Begin Date | 09/04/2012 22:25:00 CST-6 |
| Begin Range | 2 |
| Begin Azimuth | SSW |
| Begin Location | MEDERVILLE |
| Begin Lat/Lon | 42.74/-91.43 |
| End Date | 09/04/2012 22:45:00 CST-6 |
| Deaths Direct/Indirect | 0/0 (fatality details below, when available...) |
| Injuries Direct/Indirect | 0/0 |
| Property Damage | 0.00K |
| Crop Damage | 0.00K |
| Episode Narrative | Two rounds of severe thunderstorms developed ahead of and along a cold front over northeast Iowa. The storms rolled across the area during the evening hours of September 4th into the early morning of the 5th. The severe thunderstorms produced hail up to two inches in diameter near Dorchester (Allamakee County) and blew down trees near Lansing (Allamakee County) and in Decorah (Winneshiek County). |
| Event Narrative | Dime to quarter sized hail fell for around 20 minutes and covered the ground southwest of Mederville. |
All events for this episode:
| Location | County/Zone | St. | Date | Time | T.Z. | Type | Mag | Dth | Inj | PrD | CrD |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Totals: | 0 | 0 | 3.00K | 0.00K | |||||||
| NEW ALBIN | ALLAMAKEE CO. | IA | 09/04/2012 | 16:40 | CST-6 | Hail | 1.75 in. | 0 | 0 | 0.00K | 0.00K |
| MARQUETTE | CLAYTON CO. | IA | 09/04/2012 | 17:31 | CST-6 | Hail | 1.75 in. | 0 | 0 | 0.00K | 0.00K |
| CHESTER | ALLAMAKEE CO. | IA | 09/04/2012 | 17:31 | CST-6 | Hail | 2.00 in. | 0 | 0 | 0.00K | 0.00K |
| LANSING | ALLAMAKEE CO. | IA | 09/04/2012 | 17:55 | CST-6 | Thunderstorm Wind | 50 kts. EG | 0 | 0 | 1.50K | 0.00K |
| CHESTER | ALLAMAKEE CO. | IA | 09/04/2012 | 18:04 | CST-6 | Hail | 0.75 in. | 0 | 0 | 0.00K | 0.00K |
| HARPERS FERRY | ALLAMAKEE CO. | IA | 09/04/2012 | 18:25 | CST-6 | Hail | 1.25 in. | 0 | 0 | 0.00K | 0.00K |
| CLERMONT | FAYETTE CO. | IA | 09/04/2012 | 20:48 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| CALMAR | WINNESHIEK CO. | IA | 09/04/2012 | 21:13 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| CALMAR | WINNESHIEK CO. | IA | 09/04/2012 | 21:37 | CST-6 | Hail | 1.50 in. | 0 | 0 | 0.00K | 0.00K |
| OSSIAN | WINNESHIEK CO. | IA | 09/04/2012 | 21:42 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| OSBORNE | CLAYTON CO. | IA | 09/04/2012 | 22:00 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| MEDERVILLE | CLAYTON CO. | IA | 09/04/2012 | 22:00 | CST-6 | Heavy Rain | 0 | 0 | 0.00K | 0.00K | |
| OSBORNE | CLAYTON CO. | IA | 09/04/2012 | 22:05 | CST-6 | Hail | 1.50 in. | 0 | 0 | 0.00K | 0.00K |
| MEDERVILLE | CLAYTON CO. | IA | 09/04/2012 | 22:25 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| ROCKFORD | FLOYD CO. | IA | 09/04/2012 | 23:15 | CST-6 | Thunderstorm Wind | 52 kts. EG | 0 | 0 | 0.00K | 0.00K |
| DECORAH | WINNESHIEK CO. | IA | 09/05/2012 | 00:24 | CST-6 | Thunderstorm Wind | 50 kts. EG | 0 | 0 | 1.50K | 0.00K |
| Totals: | 0 | 0 | 3.00K | 0.00K |
