Marine Thunderstorm Wind, Sand Is to Bayfield Wi
- When
- May 30, 8:00 AM CST
- Where
- Sand Is to Bayfield Wi forecast zone, Devils Island Lighthouse Station Disw3
- Measured
- 44 kt (51 mph) measured gust
- Reported by
- Buoy
- Coordinates
- 47.080, -90.730
A very moist air mass was in place as an upper-level low moved into the region. Storms were ongoing and moving into the unstable region as they headed over Lake Superior.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS DLH wrote it up.
A very moist air mass was in place as an upper-level low moved into the region. Storms were ongoing and moving into the unstable region as they headed over Lake Superior.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Duluth, MN wrote its last area forecast discussion before the first event at May 29, 5:42 PM CST, 14 hours 18 minutes earlier.
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</html>Hazardous Weather Outlook National Weather Service Duluth MN 219 PM CDT Tue May 29 2018 MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-301030- Koochiching-North St. Louis-Northern Cook/Northern Lake- North Itasca-Central St. Louis-Southern Lake/North Shore- Southern Cook/North Shore-North Cass-South Itasca-South Cass- Crow Wing-Northern Aitkin-South Aitkin-Carlton/South St. Louis- Pine-Douglas-Bayfield-Ashland-Iron-Burnett-Washburn-Sawyer-Price- 219 PM CDT Tue May 29 2018 This Hazardous Weather Outlook is for portions of northeast Minnesota and northwest Wisconsin. .DAY ONE...This afternoon and Tonight Thunderstorms will develop across the Northland this afternoon into this evening. Storms will develop first over central and north central Minnesota and spread east overnight. Some of the storms may be severe, with damaging wind and large hail the main threats. Heavy rain will also be possible as storms track over the same area. The severe threat will be greatest over far northwest Wisconsin into much of northern Minnesota and continue into late evening. .DAYS TWO THROUGH SEVEN...Wednesday through Monday There is a chance of thunderstorms Wednesday through Thursday. .SPOTTER INFORMATION STATEMENT... Skywarn Spotters may be needed this afternoon into this evening. LSZ121-140>148-301030- Bayfield to Oak Point WI-Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- Taconite Harbor to Silver Bay Harbor MN- Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN- Duluth MN to Port Wing WI-Port Wing to Sand Island WI- Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI- 219 PM CDT Tue May 29 2018 This Hazardous Weather Outlook is for portions of the Nearshore waters of western Lake Superior. .DAY ONE...This afternoon and Tonight Thunderstorms are possible over western Lake Superior this evening and overnight. An isolated severe storm is possible. .DAYS TWO THROUGH SEVEN...Wednesday through Monday Periods of thunderstorms are possible Wednesday through Thursday. Strong east to northeast flow will likely develop Friday and Saturday morning. The winds and resulting waves could cause hazardous conditions for small craft. Melde/JTS More information may be obtained at the following web address: http://www.weather.gov/duluth (all lower case)
The Duluth radar (KDLH), 116 km away, was scanning. The volume nearest the first event began at 13:58 UTC.
1 marine thunderstorm wind. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Lake Superior in 2018Every state in 2018This day in weather history
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 757380.