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
CHESTER ALLAMAKEE CO. IA 09/04/2012 17:31 CST-6 Hail 2.00 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
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
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 22:00 CST-6 Hail 1.00 in. 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