Alert archive / Michigan / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 2, NWS Marquette, MI
NWS Marquette, MI issued this severe thunderstorm warning at May 25, 2021, 6:31 PM EDT for Houghton County, Keweenaw County, Michigan. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 25, 2021, 6:31 PM EDT (22:31 UTC)
- Expired
- May 25, 2021, 7:00 PM EDT
- In force
- 29 min
- Issued by
- NWS Marquette, MI
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Houghton County, MI, Keweenaw County, MI
The radar
The Marquette radar (KMQT), 88 km from the middle of the area, began a volume at 22:31 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 25, 3:53 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.5 hours before the alert went out and 306 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
- 96 J/kg
- Mixed-layer CIN
- -140 J/kg
- Mixed-layer LCL
- 1118 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 125 m²/s²
- 0-3 km storm-relative helicity
- 155 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
212
WUUS53 KMQT 252231
SVRMQT
MIC061-083-252300-
/O.NEW.KMQT.SV.W.0002.210525T2231Z-210525T2300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Marquette MI
631 PM EDT Tue May 25 2021
The National Weather Service in Marquette has issued a
* Severe Thunderstorm Warning for...
Keweenaw County in western Upper Michigan...
Northeastern Houghton County in western Upper Michigan...
* Until 700 PM EDT.
* At 630 PM EDT, a severe thunderstorm was located near Hubbell, or 9
miles southeast of Calumet, moving northeast at 50 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* This severe thunderstorm will be near...
Gay around 645 PM EDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4751 8784 4734 8769 4732 8784 4727 8789
4716 8812 4705 8817 4694 8848 4694 8852
4724 8852
TIME...MOT...LOC 2230Z 245DEG 45KT 4713 8835
HAIL...0.75IN
WIND...60MPH
$$
RJC1 follow-up statement
823
WWUS53 KMQT 252252
SVSMQT
Severe Weather Statement
National Weather Service Marquette MI
652 PM EDT Tue May 25 2021
MIC061-252301-
/O.CAN.KMQT.SV.W.0002.000000T0000Z-210525T2300Z/
Houghton MI-
652 PM EDT Tue May 25 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN HOUGHTON COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1100 PM EDT for
western Upper Michigan.
LAT...LON 4751 8784 4734 8769 4732 8784 4716 8813
4705 8817 4695 8845 4700 8839 4706 8836
4709 8843 4702 8852 4712 8852 4708 8848
4714 8823 4720 8824 4717 8844 4720 8830
4729 8830 4729 8839
TIME...MOT...LOC 2251Z 245DEG 45KT 4724 8799
$$
MIC083-252300-
/O.CON.KMQT.SV.W.0002.000000T0000Z-210525T2300Z/
Keweenaw MI-
652 PM EDT Tue May 25 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR KEWEENAW COUNTY...
At 651 PM EDT, a severe thunderstorm was located 8 miles east of Gay,
or 16 miles south of Copper Harbor, moving northeast at 50 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
This severe thunderstorm will remain over mainly rural areas of
Keweenaw County, including the following locations... Rabbit Bay,
Gratiot Lake, Betsy and Jacobsville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4751 8784 4734 8769 4732 8784 4716 8813
4705 8817 4695 8845 4700 8839 4706 8836
4709 8843 4702 8852 4712 8852 4708 8848
4714 8823 4720 8824 4717 8844 4720 8830
4729 8830 4729 8839
TIME...MOT...LOC 2251Z 245DEG 45KT 4724 8799
HAIL...0.75IN
WIND...60MPH
$$
JVThe office that day
Everything else NWS Marquette, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 9:44 PM EDT | Small Craft Advisory | MQT | 55 hr | |
| May 25, 2:55 PM EDT | Special Marine Warning | MQT | 35 min | |
| May 25, 3:48 PM EDT | Special Weather Statement | MQT | Schoolcraft | 42 min |
| May 25, 4:40 PM EDT | Special Marine Warning | MQT | 19 min | |
| May 25, 6:12 PM EDT | Special Weather Statement | MQT | Gogebic | 33 min |
| May 25, 6:28 PM EDT | Severe Thunderstorm Warning | MQT | Ontonagon | 32 min |
| May 25, 6:34 PM EDT | Special Marine Warning | MQT | 41 min | |
| May 25, 6:55 PM EDT | Severe Thunderstorm Warning | MQT | Baraga, Houghton, Ontonagon | 35 min |
| May 25, 7:12 PM EDT | Special Marine Warning | MQT | 63 min | |
| May 25, 7:30 PM EDT | Severe Thunderstorm Warning | MQT | Baraga, Houghton, Marquette | 30 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 2021Every severe thunderstorm warning in 2021
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.