Alert archive / Michigan / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 45, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at Jun 7, 2011, 5:22 PM EDT for Chippewa County, Mackinac County, Michigan. It was in force for 41 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
- Jun 7, 2011, 5:22 PM EDT (21:22 UTC)
- Expired
- Jun 7, 2011, 6:03 PM EDT
- In force
- 41 min
- Issued by
- NWS Gaylord, MI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Chippewa County, MI, Mackinac County, MI
The radar
The NCL Michigan radar (KAPX), 153 km from the middle of the area, began a volume at 21:23 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
Alpena, MI (KAPX), launched 12:00Z, 9.4 hours before the alert went out and 194 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
- 636 J/kg
- Mixed-layer CIN
- -275 J/kg
- Mixed-layer LCL
- 1492 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- -51 m²/s²
- 0-3 km storm-relative helicity
- 29 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
400
WUUS53 KAPX 072122
SVRAPX
MIC033-097-072230-
/O.NEW.KAPX.SV.W.0045.110607T2122Z-110607T2230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
522 PM EDT TUE JUN 7 2011
THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN CHIPPEWA COUNTY IN EASTERN UPPER MICHIGAN...
CENTRAL MACKINAC COUNTY IN EASTERN UPPER MICHIGAN...
* UNTIL 630 PM EDT
* AT 518 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
EAST LAKE...OR 20 MILES NORTHWEST OF ST. IGNACE...AND MOVING EAST
AT 30 MPH.
* LOCATIONS IMPACTED INCLUDE...
FIBRE...RUDYARD...KINROSS...PICKFORD...DONALDSON...KELDEN...
STALWART...BARBEAU...MUNUSCONG...KINCHELOE AND MCCARRON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.
&&
LAT...LON 4635 8411 4625 8409 4620 8415 4623 8419
4620 8424 4617 8422 4619 8418 4618 8411
4612 8402 4611 8403 4601 8501 4619 8506
4636 8421 4633 8421 4633 8419 4636 8419
4637 8413
TIME...MOT...LOC 2123Z 258DEG 28KT 4612 8490
WIND...HAIL 60MPH 1.00IN
$$2 follow-up statements
934
WWUS34 KAPX 072144
SVSAPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
544 PM EDT TUE JUN 7 2011
MIC033-097-072230-
/O.CON.KAPX.SV.W.0045.000000T0000Z-110607T2230Z/
MACKINAC MI-CHIPPEWA MI-
544 PM EDT TUE JUN 7 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
CHIPPEWA AND CENTRAL MACKINAC COUNTIES UNTIL 630 PM EDT...
AT 541 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
PICKFORD...OR 21 MILES NORTHEAST OF MACKINAC ISLAND...MOVING EAST AT
50 MPH.
LOCATIONS IMPACTED INCLUDE...
PICKFORD...DONALDSON...KELDEN...BARBEAU...STALWART...MUNUSCONG AND
MCCARRON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.
&&
LAT...LON 4635 8411 4625 8409 4620 8415 4623 8419
4620 8424 4617 8422 4619 8418 4618 8411
4612 8402 4611 8403 4601 8501 4619 8506
4636 8421 4633 8421 4633 8419 4636 8419
4637 8413
TIME...MOT...LOC 2145Z 263DEG 43KT 4614 8438
WIND...HAIL 60MPH 1.00IN
$$743
WWUS34 KAPX 072203
SVSAPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
603 PM EDT TUE JUN 7 2011
MIC033-097-072213-
/O.CAN.KAPX.SV.W.0045.000000T0000Z-110607T2230Z/
MACKINAC MI-CHIPPEWA MI-
603 PM EDT TUE JUN 7 2011
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN CHIPPEWA AND CENTRAL
MACKINAC COUNTIES IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA...HOWEVER SMALL HAIL AND GUSTY WINDS ARE STILL POSSIBLE WITH
THIS THUNDERSTORM.
LAT...LON 4635 8411 4625 8409 4620 8415 4623 8419
4620 8424 4617 8422 4619 8418 4618 8411
4612 8402 4611 8403 4601 8501 4619 8506
4636 8421 4633 8421 4633 8419 4636 8419
4637 8413
TIME...MOT...LOC 2203Z 263DEG 43KT 4616 8407
WIND...HAIL <50MPH <.50IN
$$The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 6, 10:09 PM EDT | Special Marine Warning | APX | 93 min | |
| Jun 6, 10:39 PM EDT | Severe Thunderstorm Warning | APX | Alcona, Crawford, Oscoda | 39 min |
| Jun 6, 11:51 PM EDT | Special Marine Warning | APX | 84 min | |
| Jun 7, 5:48 PM EDT | Special Marine Warning | APX | 72 min | |
| Jun 7, 6:01 PM EDT | Severe Thunderstorm Warning | APX | Cheboygan, Presque Isle | 46 min |
| Jun 7, 6:05 PM EDT | Severe Thunderstorm Warning | APX | Chippewa | 42 min |
| Jun 7, 6:09 PM EDT | Special Marine Warning | APX | 66 min | |
| Jun 7, 6:34 PM EDT | Severe Thunderstorm Warning | APX | Alpena, Montmorency, Presque Isle | 56 min |
| Jun 7, 6:50 PM EDT | Severe Thunderstorm Warning | APX | Cheboygan, Montmorency, Otsego | 55 min |
| Jun 7, 7:04 PM EDT | Special Marine Warning | APX | 116 min | |
| Jun 7, 7:27 PM EDT | Severe Thunderstorm Warning | APX | Alcona, Alpena, Montmorency, Presque Isle | 63 min |
| Jun 7, 7:47 PM EDT | Severe Thunderstorm Warning | APX | Montmorency | 18 min |
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.