Alert archive / Michigan / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 46, NWS Marquette, MI
NWS Marquette, MI issued this severe thunderstorm warning at Aug 1, 2018, 3:22 PM EDT for Delta County, Michigan. It was in force for 23 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 1, 2018, 3:22 PM EDT (19:22 UTC)
- Expired
- Aug 1, 2018, 3:45 PM EDT
- In force
- 23 min
- Issued by
- NWS Marquette, MI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Delta County, MI
The radar
The Marquette radar (KMQT), 97 km from the middle of the area, began a volume at 19:22 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 7.4 hours before the alert went out and 175 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 359 J/kg
- Mixed-layer CIN
- -91 J/kg
- Mixed-layer LCL
- 1414 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- -26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Marquette, MI wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 1, 3:03 PM EDT, 19 minutes earlier.
Area forecast discussion, Aug 1, 3:03 PM EDT, 19 minutes before
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Hazardous Weather Outlook National Weather Service Marquette MI 545 AM EDT Wed Aug 1 2018 MIZ001>007-009>014-084-085-020945- Keweenaw-Ontonagon-Northern Houghton-Baraga-Marquette-Alger-Luce- Gogebic-Iron-Dickinson-Menominee-Delta-Southern Schoolcraft- Southern Houghton-Northern Schoolcraft- 545 AM EDT Wed Aug 1 2018 /445 AM CDT Wed Aug 1 2018/ This Hazardous Weather Outlook is for portions of western Upper Michigan and central Upper Michigan. .DAY ONE...Today and Tonight There is a chance for thunderstorms today into tonight. There is a high swim risk this afternoon through this evening for Alger and Marquette Counties. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday There is a moderate swim risk this Thursday for Alger and Marquette Counties. There is a chance for thunderstorms Sunday. .SPOTTER INFORMATION STATEMENT... The need for weather spotter reports is not anticipated at this time. LSZ162-240>251-263>267-020945- Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM-Saxon Harbor WI to Black River MI- Black River to Ontonagon MI- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays-Huron Islands to Marquette MI- Marquette to Munising MI-Munising to Grand Marais MI- Grand Marais to Whitefish Point MI- Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park- Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 545 AM EDT Wed Aug 1 2018 /445 AM CDT Wed Aug 1 2018/ This Hazardous Weather Outlook is for portions of Eastern Lake Superior...Central Lake Superior and Western Lake Superior. .DAY ONE...Today and Tonight A few thunderstorms are possible today. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday Additional chances for thunderstorms are possible, especially across western Lake Superior, this weekend. .SPOTTER INFORMATION STATEMENT... The need for weather spotter reports is not anticipated at this time. LMZ221-248-250-020945- Green Bay North of line from Cedar River MI to Rock Island Passage-Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 545 AM EDT Wed Aug 1 2018 This Hazardous Weather Outlook is for portions of Northern Lake Michigan. .DAY ONE...Today and Tonight Thunderstorms are possible this afternoon into tonight. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday Thunderstorms are possible Sunday. .SPOTTER INFORMATION STATEMENT... The need for weather spotter reports is not anticipated at this time. Titus
In the hours before
Special weather statement, Aug 1, 2:06 PM EDT, 1 hour 16 minutes before
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</html>The office that day
Everything else NWS Marquette, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 3:57 AM EDT | Beach Hazards Statement | MQT | Alger, Marquette | 16 hr |
| Aug 1, 9:28 AM EDT | Special Weather Statement | MQT | Houghton | 47 min |
| Aug 1, 1:08 PM EDT | Special Weather Statement | MQT | Dickinson | 52 min |
| Aug 1, 1:14 PM EDT | Special Weather Statement | MQT | Menominee | 31 min |
| Aug 1, 1:26 PM EDT | Special Weather Statement | MQT | Dickinson | 34 min |
| Aug 1, 1:56 PM EDT | Special Weather Statement | MQT | Dickinson | 49 min |
| Aug 1, 2:06 PM EDT | Special Weather Statement | MQT | Dickinson | 39 min |
| Aug 1, 2:14 PM EDT | Special Weather Statement | MQT | Luce | 46 min |
| Aug 1, 2:37 PM EDT | Areal Flood Advisory | MQT | Luce | 3 hr |
| Aug 1, 2:42 PM EDT | Special Weather Statement | MQT | Menominee | 33 min |
| Aug 1, 2:43 PM EDT | Special Weather Statement | MQT | Delta | 62 min |
| Aug 1, 2:47 PM EDT | Severe Thunderstorm Warning | MQT | Dickinson, Menominee | 28 min |
| Aug 1, 3:19 PM EDT | Special Weather Statement | MQT | Delta | 41 min |
| Aug 1, 3:25 PM EDT | Special Weather Statement | MQT | Menominee | 50 min |
| Aug 1, 3:47 PM EDT | Special Weather Statement | MQT | Delta | 28 min |
| Aug 1, 4:08 PM EDT | Special Weather Statement | MQT | Schoolcraft | 52 min |
| Aug 1, 4:41 PM EDT | Severe Thunderstorm Warning | MQT | Schoolcraft | 34 min |
| Aug 1, 4:45 PM EDT | Special Marine Warning | MQT | 30 min | |
| Aug 1, 5:15 PM EDT | Special Weather Statement | MQT | Schoolcraft | 45 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 2018Every severe thunderstorm warning in 2018
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.