Storm Events Database

Event Details

Event Excessive Heat
State MINNESOTA
County/Area DODGE
WFO ARX
Begin Date 07/17/2011 11:30:00 CST-6
End Date 07/20/2011 18:30:00 CST-6
Deaths Direct/Indirect 0/0 (fatality details below, when available...)
Injuries Direct/Indirect 0/0
Property Damage 25.00K
Crop Damage 0.00K
Episode Narrative Warm and humid air invaded southeast Minnesota on July 17th and remained in place for the next three days. During this stretch, afternoon heat indices routinely topped out between 110 and 120. Little relief occurred at night, as overnight lows remained in the 70s. Most of the counties across southeast Minnesota opened cooling centers with Winona County reporting a total of 46 people using the cooling center. Several farmers loss some livestock due to the heat and at one feedlot near Harmony (Fillmore County), at least 24 head of cattle were lost. Rochester set known records for highest heat index ever (118) and highest dew point (83 deg F).
Event Narrative For an extended period between the 17th and 20th, afternoon heat indices routinely topped out between 105 and 110 with overnight low temperatures remaining above 75 degrees. The highest recorded heat index was 108 on the 19th and dew points reached a sultry 81.


All events for this episode:

Location County/Zone St. Date Time T.Z. Type Mag Dth Inj PrD CrD
Totals: 0 0 155.50K 0.00K
DODGE (ZONE) DODGE (ZONE) MN 07/17/2011 11:30 CST-6 Excessive Heat 0 0 25.00K 0.00K
MOWER (ZONE) MOWER (ZONE) MN 07/17/2011 12:00 CST-6 Excessive Heat 0 0 35.00K 0.00K
OLMSTED (ZONE) OLMSTED (ZONE) MN 07/17/2011 13:00 CST-6 Excessive Heat 0 0 23.00K 0.00K
WINONA (ZONE) WINONA (ZONE) MN 07/17/2011 13:00 CST-6 Excessive Heat 0 0 10.00K 0.00K
WABASHA (ZONE) WABASHA (ZONE) MN 07/17/2011 13:00 CST-6 Excessive Heat 0 0 6.00K 0.00K
HOUSTON (ZONE) HOUSTON (ZONE) MN 07/17/2011 13:00 CST-6 Excessive Heat 0 0 12.00K 0.00K
FILLMORE (ZONE) FILLMORE (ZONE) MN 07/17/2011 13:30 CST-6 Excessive Heat 0 0 44.50K 0.00K
Totals: 0 0 155.50K 0.00K