Alert archive / Michigan / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 47, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at Jun 7, 2011, 6:05 PM EDT for Chippewa County, Michigan. It was in force for 42 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 7, 2011, 6:05 PM EDT (22:05 UTC)
- Expired
- Jun 7, 2011, 6:47 PM EDT
- In force
- 42 min
- Issued by
- NWS Gaylord, MI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Chippewa County, MI
The radar
The NCL Michigan radar (KAPX), 145 km from the middle of the area, began a volume at 22:08 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 7, 6:17 PM EDT | HAIL 0.88 | De Tour Village, MI | TIME ESTIMATED FROM RADAR |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Alpena, MI (KAPX), launched 12:00Z, 10.1 hours before the alert went out and 160 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.
055
WUUS53 KAPX 072205
SVRAPX
MIC033-072300-
/O.NEW.KAPX.SV.W.0047.110607T2205Z-110607T2300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
605 PM EDT TUE JUN 7 2011
THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN CHIPPEWA COUNTY IN EASTERN UPPER MICHIGAN...
* UNTIL 700 PM EDT
* AT 604 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 6 MILES
WEST OF DETOUR VILLAGE...OR 15 MILES WEST OF DRUMMOND ISLAND...AND
MOVING EAST AT 40 MPH.
* LOCATIONS IMPACTED INCLUDE...
DRUMMOND ISLAND AND DETOUR VILLAGE.
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.
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.
&&
LAT...LON 4591 8355 4598 8424 4622 8418 4622 8413
4619 8417 4611 8397 4606 8397 4610 8406
4606 8402 4604 8389 4600 8388 4604 8384
4607 8390 4609 8385 4601 8381 4612 8382
4609 8374 4612 8358 4599 8343
TIME...MOT...LOC 2205Z 278DEG 37KT 4601 8400
WIND...HAIL 60MPH 1.00IN
$$2 follow-up statements
853
WWUS34 KAPX 072220
SVSAPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
620 PM EDT TUE JUN 7 2011
MIC033-072300-
/O.CON.KAPX.SV.W.0047.000000T0000Z-110607T2300Z/
CHIPPEWA MI-
620 PM EDT TUE JUN 7 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
CHIPPEWA COUNTY UNTIL 700 PM EDT...
AT 617 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
DETOUR VILLAGE...OR 6 MILES WEST OF DRUMMOND ISLAND...MOVING EAST AT
45 MPH.
LOCATIONS IMPACTED INCLUDE...
DRUMMOND ISLAND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS IF YOU ARE IN
THE PATH OF THIS STORM. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.
&&
LAT...LON 4591 8355 4598 8424 4622 8418 4622 8413
4619 8417 4611 8397 4606 8397 4610 8406
4606 8402 4604 8389 4600 8388 4604 8384
4607 8390 4609 8385 4601 8381 4612 8382
4609 8374 4612 8358 4599 8343
TIME...MOT...LOC 2221Z 284DEG 39KT 4598 8376
WIND...HAIL 60MPH 1.00IN
$$062
WWUS34 KAPX 072247
SVSAPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
647 PM EDT TUE JUN 7 2011
MIC033-072257-
/O.CAN.KAPX.SV.W.0047.000000T0000Z-110607T2300Z/
CHIPPEWA MI-
647 PM EDT TUE JUN 7 2011
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CHIPPEWA COUNTY
IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
LAT...LON 4591 8355 4598 8424 4622 8418 4622 8413
4619 8417 4611 8397 4606 8397 4610 8406
4606 8402 4604 8389 4600 8388 4604 8384
4607 8390 4609 8385 4601 8381 4612 8382
4609 8374 4612 8358 4599 8343
TIME...MOT...LOC 2247Z 284DEG 39KT 4591 8337
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, 5:22 PM EDT | Severe Thunderstorm Warning | APX | Chippewa, Mackinac | 41 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, 6:09 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.