Alert archive / Michigan / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 2, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at Apr 10, 2011, 4:45 AM EDT for 5 counties in Michigan. It was in force for 32 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
- Apr 10, 2011, 4:45 AM EDT (08:45 UTC)
- Expired
- Apr 10, 2011, 5:17 AM EDT
- In force
- 32 min
- Issued by
- NWS Gaylord, MI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Benzie County, MI, Grand Traverse County, MI, Kalkaska County, MI, Manistee County, MI, Wexford County, MI
The radar
The NCL Michigan radar (KAPX), 66 km from the middle of the area, began a volume at 08:45 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 00:00Z, 8.8 hours before the alert went out and 212 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 581 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 128 m²/s²
- 0-3 km storm-relative helicity
- 114 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
333
WUUS53 KAPX 100845
SVRAPX
MIC019-055-079-101-165-100930-
/O.NEW.KAPX.SV.W.0002.110410T0845Z-110410T0930Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
445 AM EDT SUN APR 10 2011
THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN BENZIE COUNTY IN NORTHERN LOWER MICHIGAN...
GRAND TRAVERSE COUNTY IN NORTHERN LOWER MICHIGAN...
WESTERN KALKASKA COUNTY IN NORTHERN LOWER MICHIGAN...
NORTHEASTERN MANISTEE COUNTY IN NORTHERN LOWER MICHIGAN...
NORTHERN WEXFORD COUNTY IN NORTHERN LOWER MICHIGAN...
* UNTIL 530 AM EDT
* AT 445 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS
STORM WAS LOCATED NEAR COPEMISH...OR 6 MILES SOUTH OF
THOMPSONVILLE...AND MOVING EAST AT 50 MPH.
* LOCATIONS IMPACTED INCLUDE...
KALKASKA...MESICK...SHERMAN...KARLIN...INTERLOCHEN STATE PARK...
BUCKLEY...INTERLOCHEN...GRAWN...HANNAH...KINGSLEY...SPIDER LAKE...
FIFE LAKE...WILLIAMSBURG...SOUTH BOARDMAN...BARKER CREEK...RAPID
CITY...SHARON AND BATES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE
TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.
&&
LAT...LON 4484 8527 4457 8503 4451 8524 4451 8533
4449 8533 4433 8588 4456 8604
TIME...MOT...LOC 0845Z 248DEG 43KT 4448 8584
WIND...HAIL <50MPH 1.00IN
$$2 follow-up statements
495
WWUS34 KAPX 100906
SVSAPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
506 AM EDT SUN APR 10 2011
MIC101-100916-
/O.CAN.KAPX.SV.W.0002.000000T0000Z-110410T0930Z/
MANISTEE MI-
506 AM EDT SUN APR 10 2011
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MANISTEE COUNTY
IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
LAT...LON 4484 8527 4457 8503 4451 8523 4451 8533
4449 8533 4438 8572 4461 8589
TIME...MOT...LOC 0906Z 248DEG 43KT 4450 8554
WIND...HAIL <50MPH <.50IN
$$
MIC019-055-079-165-100930-
/O.CON.KAPX.SV.W.0002.000000T0000Z-110410T0930Z/
GRAND TRAVERSE MI-KALKASKA MI-BENZIE MI-WEXFORD MI-
506 AM EDT SUN APR 10 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
WEXFORD...SOUTHEASTERN BENZIE...WESTERN KALKASKA AND GRAND TRAVERSE
COUNTIES UNTIL 530 AM EDT...
AT 506 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS
STORM WAS LOCATED NEAR BUCKLEY...OR 14 MILES EAST OF THOMPSONVILLE...
MOVING EAST AT 50 MPH.
LOCATIONS IMPACTED INCLUDE...
KALKASKA...KINGSLEY...SPIDER LAKE...FIFE LAKE...WILLIAMSBURG...
SOUTH BOARDMAN...BARKER CREEK...SHARON...RAPID CITY AND BATES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE
TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.
&&
LAT...LON 4484 8527 4457 8503 4451 8523 4451 8533
4449 8533 4438 8572 4461 8589
TIME...MOT...LOC 0906Z 248DEG 43KT 4450 8554
WIND...HAIL <50MPH 1.00IN
$$788
WWUS34 KAPX 100917
SVSAPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
517 AM EDT SUN APR 10 2011
MIC019-055-079-165-100926-
/O.CAN.KAPX.SV.W.0002.000000T0000Z-110410T0930Z/
GRAND TRAVERSE MI-KALKASKA MI-BENZIE MI-WEXFORD MI-
517 AM EDT SUN APR 10 2011
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN WEXFORD...
SOUTHEASTERN BENZIE...WESTERN KALKASKA AND GRAND TRAVERSE COUNTIES IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR
PROPERTY...HOWEVER SMALL HAIL IS STILL POSSIBLE WITH THIS
THUNDERSTORM.
LAT...LON 4484 8527 4457 8503 4451 8523 4451 8533
4449 8533 4438 8572 4461 8589
TIME...MOT...LOC 0916Z 248DEG 43KT 4453 8538
WIND...HAIL <50MPH <.50IN
$$The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 10, 4:23 AM EDT | Severe Thunderstorm Warning | APX | Benzie, Grand Traverse, Leelanau, Manistee, Wexford | 22 min |
| Apr 10, 5:01 AM EDT | Special Marine Warning | APX | 44 min | |
| Apr 10, 5:56 AM EDT | Severe Thunderstorm Warning | APX | Antrim, Benzie, Grand Traverse, Kalkaska, Manistee, Wexford | 49 min |
| Apr 10, 6:20 AM EDT | Severe Thunderstorm Warning | APX | Crawford, Kalkaska, Missaukee, Roscommon, Wexford | 55 min |
| Apr 10, 7:34 AM EDT | Special Marine Warning | APX | 86 min | |
| Apr 10, 3:55 PM EDT | Gale Watch | APX | 11 hr | |
| Apr 10, 5:34 PM EDT | Special Marine Warning | APX | 56 min | |
| Apr 10, 6:24 PM EDT | Severe Thunderstorm Warning | APX | Benzie, Leelanau | 44 min |
| Apr 10, 6:51 PM EDT | Special Marine Warning | APX | 24 min | |
| Apr 10, 6:55 PM EDT | Severe Thunderstorm Warning | APX | Antrim, Charlevoix, Grand Traverse, Leelanau | 22 min |
| Apr 10, 7:15 PM EDT | Severe Thunderstorm Warning | APX | Alcona, Alpena, Montmorency | 60 min |
| Apr 10, 7:27 PM EDT | Severe Thunderstorm Warning | APX | Crawford, Montmorency, Oscoda, Otsego | 36 min |
| Apr 10, 7:54 PM EDT | Severe Thunderstorm Warning | APX | Alcona, Oscoda | 66 min |
| Apr 10, 7:56 PM EDT | Special Marine Warning | APX | 109 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.