Alert archive / Michigan / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 38, NWS Marquette, MI
NWS Marquette, MI issued this severe thunderstorm warning at Aug 21, 2013, 2:20 PM CDT for Gogebic County, Ontonagon County, Michigan. It was in force for 55 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 21, 2013, 2:20 PM CDT (19:20 UTC)
- Expired
- Aug 21, 2013, 3:15 PM CDT
- In force
- 55 min
- Issued by
- NWS Marquette, MI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Gogebic County, MI, Ontonagon County, MI
The radar
The Marquette radar (KMQT), 153 km from the middle of the area, began a volume at 19:20 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, 7.3 hours before the alert went out and 265 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
- 865 J/kg
- Mixed-layer CIN
- -98 J/kg
- Mixed-layer LCL
- 969 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 162 m²/s²
- 0-3 km storm-relative helicity
- 155 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.3
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 21, 12:47 PM CDT, 1 hour 33 minutes earlier.
Area forecast discussion, Aug 21, 12:47 PM CDT, 1 hour 33 minutes before
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</html>Hazardous weather outlook, Aug 21, 2:14 PM CDT, 6 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MARQUETTE MI 314 PM EDT WED AUG 21 2013 MIZ001>007-009>014-084-085-221200- KEWEENAW-ONTONAGON-NORTHERN HOUGHTON-BARAGA-MARQUETTE-ALGER-LUCE- GOGEBIC-IRON-DICKINSON-MENOMINEE-DELTA-SOUTHERN SCHOOLCRAFT- SOUTHERN HOUGHTON-NORTHERN SCHOOLCRAFT- 314 PM EDT WED AUG 21 2013 /214 PM CDT WED AUG 21 2013/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN UPPER MICHIGAN AND CENTRAL UPPER MICHIGAN. .DAY ONE...TONIGHT NUMEROUS THUNDERSTORMS WILL CONTINUE INTO THIS EVENING...ESPECIALLY OVER THE SOUTH HALF OF UPPER MICHIGAN. SOME OF THESE THUNDERSTORMS COULD BECOME SEVERE AND CAUSE DAMAGING WINDS AND LARGE HAIL. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THUNDERSTORMS ARE POSSIBLE SATURDAY AFTERNOON OVER THE WEST HALF OF UPPER MICHIGAN AND FOR ALL OF WESTERN AND CENTRAL UPPER MICHIGAN SATURDAY NIGHT THROUGH TUESDAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO SUBMIT REPORTS TO THE NATIONAL WEATHER SERVICE IN MARQUETTE. THE PUBLIC MAY ALSO SUBMIT REPORTS AT OUR WEBPAGE...FACEBOOK PAGE...OR ON TWITTER. LSZ162-240>251-263>267-221200- 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- 314 PM EDT WED AUG 21 2013 /214 PM CDT WED AUG 21 2013/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN LAKE SUPERIOR...CENTRAL LAKE SUPERIOR AND WESTERN LAKE SUPERIOR. .DAY ONE...TONIGHT EXPECT SCATTERED THUNDERSTORMS THROUGH THIS EVENING. SOME OF THE THUNDERSTORMS MAY BE STRONG AND CAUSE GUSTY WINDS OVER EASTERN LAKE SUPERIOR THIS EVENING. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THUNDERSTORMS ARE POSSIBLE ON SATURDAY OVER THE WEST HALF OF LAKE SUPERIOR AND FOR ALL OF LAKE SUPERIOR SATURDAY NIGHT THROUGH TUESDAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO SUBMIT REPORTS TO THE NATIONAL WEATHER SERVICE IN MARQUETTE. THE PUBLIC MAY ALSO SUBMIT REPORTS AT OUR WEBPAGE...FACEBOOK PAGE...OR ON TWITTER. LMZ221-248-250-221200- 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- 314 PM EDT WED AUG 21 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHERN LAKE MICHIGAN. .DAY ONE...TONIGHT NUMEROUS THUNDERSTORMS WILL OCCUR THIS EVENING. SOME OF THESE STORMS MAY BE SEVERE AND CAUSE DAMAGING WINDS AND LARGE HAIL. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THUNDERSTORMS ARE POSSIBLE SATURDAY NIGHT THROUGH TUESDAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO SUBMIT REPORTS TO THE NATIONAL WEATHER SERVICE IN MARQUETTE. THE PUBLIC MAY ALSO SUBMIT REPORTS AT OUR WEBPAGE...FACEBOOK PAGE...OR ON TWITTER. 07
In the hours before
Special weather statement, Aug 21, 2:02 PM CDT, 18 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MARQUETTE MI 302 PM EDT WED AUG 21 2013 MIZ002-009-212000- GOGEBIC-ONTONAGON- 202 PM CDT WED AUG 21 2013 ...SIGNIFICANT WEATHER ALERT FOR GOGEBIC AND ONTONAGON COUNTIES UNTIL 300 PM CDT/400 PM EDT/... AT 258 PM EDT...DOPPLER RADAR INDICATED THAT THUNDERSTORMS WERE DEVELOPING ALONG A LINE EXTENDING FROM 23 MILES WEST OF SILVER CITY TO 22 MILES WEST OF UPSON WISCONSIN. THESE STORMS WERE MOVING EAST AT 40 MPH. DIME SIZE HAIL AND WINDS UP TO 50 MPH ARE EXPECTED WITH THESE STORMS. PEOPLE IN GOGEBIC AND WESTERN ONTONAGON COUNTIES...INCLUDING THE CITIES OF SILVER CITY...IRONWOOD...BESSEMER...WAKEFIELD AND BERGLAND...SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR POSSIBLE WARNINGS AND BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO THE STORM TO BE STRUCK BY LIGHTNING. SEEK SAFE SHELTER IMMEDIATELY. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS CONCERNING THIS WEATHER SITUATION. JLA
The office that day
Everything else NWS Marquette, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 2:11 PM CDT | Special Marine Warning | MQT | 49 min | |
| Aug 21, 2:47 PM CDT | Special Marine Warning | MQT | 88 min | |
| Aug 21, 3:08 PM CDT | Severe Thunderstorm Warning | MQT | Alger, Marquette | 52 min |
| Aug 21, 3:14 PM CDT | Severe Thunderstorm Warning | MQT | Ontonagon | 46 min |
| Aug 21, 3:20 PM CDT | Severe Thunderstorm Warning | MQT | Gogebic, Iron | 55 min |
| Aug 21, 3:36 PM CDT | Special Marine Warning | MQT | 54 min | |
| Aug 21, 3:46 PM CDT | Severe Thunderstorm Warning | MQT | Alger, Luce | 44 min |
| Aug 21, 3:49 PM CDT | Severe Thunderstorm Warning | MQT | Alger, Schoolcraft | 56 min |
| Aug 21, 3:56 PM CDT | Severe Thunderstorm Warning | MQT | Gogebic | 49 min |
| Aug 21, 3:59 PM CDT | Severe Thunderstorm Warning | MQT | Alger, Marquette | 46 min |
| Aug 21, 4:10 PM CDT | Special Marine Warning | MQT | 95 min | |
| Aug 21, 4:20 PM CDT | Severe Thunderstorm Warning | MQT | Iron | 55 min |
| Aug 21, 4:44 PM CDT | Severe Thunderstorm Warning | MQT | Alger, Delta, Marquette, Schoolcraft | 61 min |
| Aug 21, 4:50 PM CDT | Severe Thunderstorm Warning | MQT | Iron | 55 min |
| Aug 21, 6:11 PM CDT | Special Marine Warning | MQT | 94 min | |
| Aug 21, 6:16 PM CDT | Severe Thunderstorm Warning | MQT | Menominee | 59 min |
| Aug 21, 6:26 PM CDT | Special Marine Warning | MQT | 94 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 2013Every severe thunderstorm warning in 2013
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.