Alert archive / Iowa / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 18, NWS Omaha, NE
NWS Omaha, NE issued this severe thunderstorm warning at May 12, 1986, 5:07 PM CDT for Harrison County, Pottawattamie County, Iowa. It was in force for 68 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 12, 1986, 5:07 PM CDT (22:07 UTC)
- Expired
- May 12, 1986, 6:15 PM CDT
- In force
- 68 min
- Issued by
- NWS Omaha, NE
- Area
- Whole counties
Counties Harrison County, IA, Pottawattamie County, IA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 12, 5:30 PM CDT | Hail 1.75 | Pottawattamie, IA |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 4:38 PM CDT | Severe Thunderstorm Warning | OAX | Douglas, Washington | 67 min |
| May 12, 5:26 PM CDT | Tornado Warning | OAX | Sarpy | 34 min |
| May 12, 5:15 PM CDT | Tornado Warning | OAX | Pottawattamie | 30 min |
| May 12, 5:36 PM CDT | Tornado Warning | OAX | Mills | 39 min |
| May 12, 5:50 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 55 min |
| May 12, 6:05 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 55 min |
| May 12, 6:10 PM CDT | Tornado Warning | OAX | Harrison | 35 min |
| May 12, 6:30 PM CDT | Tornado Warning | OAX | Mills | 30 min |
| May 12, 6:45 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 60 min |
| May 12, 6:59 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 61 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 1986Every severe thunderstorm warning in 1986
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data.