Alert archive / Michigan / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 18, NWS Marquette, MI
NWS Marquette, MI issued this severe thunderstorm warning at May 30, 2011, 5:41 PM EDT for 4 counties in Michigan. It was in force for 49 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
- May 30, 2011, 5:41 PM EDT (21:41 UTC)
- Expired
- May 30, 2011, 6:30 PM EDT
- In force
- 49 min
- Issued by
- NWS Marquette, MI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Baraga County, MI, Houghton County, MI, Iron County, MI, Ontonagon County, MI
The radar
The Marquette radar (KMQT), 90 km from the middle of the area, began a volume at 21:45 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, 9.7 hours before the alert went out and 248 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
- 25 J/kg
- Mixed-layer CIN
- -800 J/kg
- Mixed-layer LCL
- 588 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 188 m²/s²
- 0-3 km storm-relative helicity
- 326 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 May 30, 4:10 PM EDT, 1 hour 31 minutes earlier.
Area forecast discussion, May 30, 4:10 PM EDT, 1 hour 31 minutes before
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</html>Hazardous weather outlook, May 30, 4:23 PM EDT, 1 hour 18 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MARQUETTE MI 423 PM EDT MON MAY 30 2011 MIZ001>007-009>014-084-085-312030- KEWEENAW-ONTONAGON-NORTHERN HOUGHTON-BARAGA-MARQUETTE-ALGER-LUCE- GOGEBIC-IRON-DICKINSON-MENOMINEE-DELTA-SOUTHERN SCHOOLCRAFT- SOUTHERN HOUGHTON-NORTHERN SCHOOLCRAFT- 423 PM EDT MON MAY 30 2011 /323 PM CDT MON MAY 30 2011/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN UPPER MICHIGAN AND CENTRAL UPPER MICHIGAN. .DAY ONE...TONIGHT SCATTERED THUNDERSTORMS ARE EXPECTED THIS EVENING OVER WESTERN UPPER MICHIGAN...AS A WARM FRONT LIFTS TOWARD THE AREA. SOME STORMS COULD PRODUCE SMALL HAIL. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY A COLD FRONT WILL MOVE THROUGH ON TUESDAY...BRINGING A CHANCE OF THUNDERSTORMS ACROSS UPPER MICHIGAN. SOME STORMS MAY BECOME SEVERE WITH LARGE HAIL AND DAMAGING WINDS THE PRIMARY HAZARDS. SINCE THERE IS A POSSIBILITY OF SUPERCELL THUNDERSTORMS...THERE IS ALSO A SMALL RISK OF TORNADOES. WEST WINDS BEHIND THE COLD FRONT MAY GUST TO 45 MPH ON THE KEWEENAW PENINSULA AND NORTH CENTRAL UPPER MICHIGAN ON WEDNESDAY. THERE IS A CHANCE OF THUNDERSTORMS FOR ALL AREAS THURSDAY NIGHT INTO EARLY FRIDAY AND AGAIN ON SATURDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER REPORTS OF HEAVY RAIN OR HAIL WOULD BE GREATLY APPRECIATED. LSZ162-240>251-263>267-312030- 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- 423 PM EDT MON MAY 30 2011 /323 PM CDT MON MAY 30 2011/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN LAKE SUPERIOR...CENTRAL LAKE SUPERIOR AND WESTERN LAKE SUPERIOR. .DAY ONE...TONIGHT SCATTERED THUNDERSTORMS ARE EXPECTED THIS EVENING. SOME STORMS MAY PRODUCE SMALL HAIL. AREAS OF DENSE FOG ARE EXPECTED. SEE THE LATEST MARINE WEATHER STATEMENT FOR MORE DETAILS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY A COLD FRONT WILL MOVE THROUGH ON TUESDAY...BRINGING A CHANCE OF THUNDERSTORMS ACROSS LAKE SUPERIOR. SOME STORMS MAY BE SEVERE WITH LARGE HAIL AND DAMAGING WINDS POSSIBLE. GALE FORCE GUSTS TO 35 KNOTS ARE POSSIBLE TUESDAY NIGHT INTO WEDNESDAY OVER WESTERN AND CENTRAL LAKE SUPERIOR. SEE THE LATEST MARINE WEATHER STATEMENT FOR MORE DETAILS. THERE IS A CHANCE OF THUNDERSTORMS THURSDAY NIGHT THROUGH SATURDAY. DENSE FOG IS EXPECTED TUESDAY MORNING. SEE THE LATEST MARINE WEATHER STATEMENT FOR MORE DETAILS. .SPOTTER INFORMATION STATEMENT... THE NEED FOR WEATHER SPOTTER REPORTS IS NOT ANTICIPATED AT THIS TIME. LMZ221-248-250-312030- 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- 423 PM EDT MON MAY 30 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHERN LAKE MICHIGAN. .DAY ONE...TONIGHT AREAS OF DENSE FOG ARE EXPECTED. SEE THE LATEST MARINE WEATHER STATEMENT FOR MORE DETAILS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY A COLD FRONT WILL MOVE THROUGH ON TUESDAY...BRINGING A CHANCE OF THUNDERSTORMS ACROSS NORTHERN LAKE MICHIGAN TUESDAY AFTERNOON. SOME STORMS COULD BECOME SEVERE WITH LARGE HAIL AND DAMAGING WINDS POSSIBLE. AREAS OF DENSE FOG ARE EXPECTED ON TUESDAY MORNING. SEE THE LATEST MARINE WEATHER STATEMENT FOR MORE DETAILS. THERE IS A CHANCE OF THUNDERSTORMS THURSDAY NIGHT THROUGH SATURDAY. .SPOTTER INFORMATION STATEMENT... THE NEED FOR WEATHER SPOTTER REPORTS IS NOT ANTICIPATED AT THIS TIME. SRF
In the hours before
Local storm report, May 30, 4:00 PM EDT, 1 hour 41 minutes before
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</html>Local storm report, May 30, 4:03 PM EDT, 1 hour 38 minutes before
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</html>Local storm report, May 30, 4:05 PM EDT, 1 hour 36 minutes before
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</html>Special weather statement, May 30, 4:15 PM EDT, 1 hour 26 minutes before
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</html>Special weather statement, May 30, 5:15 PM EDT, 26 minutes before
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</html>Local storm report, May 30, 5:18 PM EDT, 23 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 |
|---|---|---|---|---|
| May 29, 10:17 PM EDT | Small Craft Advisory | MQT | 55 hr | |
| May 30, 5:02 AM EDT | Marine Dense Fog Advisory | MQT | 33 hr | |
| May 30, 10:04 AM EDT | Special Marine Warning | MQT | 56 min | |
| May 30, 10:15 AM EDT | Severe Thunderstorm Warning | MQT | Houghton, Keweenaw | 31 min |
| May 30, 12:20 PM EDT | Areal Flood Advisory | MQT | Gogebic, Ontonagon | 4 hr |
| May 30, 3:33 PM EDT | Special Marine Warning | MQT | 57 min | |
| May 30, 4:29 PM EDT | Severe Thunderstorm Warning | MQT | Gogebic, Ontonagon | 46 min |
| May 30, 5:06 PM EDT | Gale Watch | MQT | 18 hr |
Nearby
Severe Thunderstorm Warnings in Michigan, 2011Every severe thunderstorm warning in 2011
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.