Alert archive / Michigan / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 3, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at Apr 10, 2011, 5:56 AM EDT for 6 counties in Michigan. It was in force for 49 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
- Apr 10, 2011, 5:56 AM EDT (09:56 UTC)
- Expired
- Apr 10, 2011, 6:45 AM EDT
- In force
- 49 min
- Issued by
- NWS Gaylord, MI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Antrim County, MI, Benzie County, MI, Grand Traverse County, MI, Kalkaska County, MI, Manistee County, MI, Wexford County, MI
The radar
The NCL Michigan radar (KAPX), 75 km from the middle of the area, began a volume at 09:58 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 |
|---|---|---|---|
| Apr 10, 6:12 AM EDT | HAIL 0.88 | 3 W Kingsley, MI |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 9.9 hours before the alert went out and 198 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.
316
WUUS53 KAPX 100956
SVRAPX
MIC009-019-055-079-101-165-101045-
/O.NEW.KAPX.SV.W.0003.110410T0956Z-110410T1045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
556 AM EDT SUN APR 10 2011
THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHWESTERN ANTRIM COUNTY IN NORTHERN LOWER MICHIGAN...
BENZIE COUNTY IN NORTHERN LOWER MICHIGAN...
GRAND TRAVERSE COUNTY IN NORTHERN LOWER MICHIGAN...
KALKASKA COUNTY IN NORTHERN LOWER MICHIGAN...
NORTHERN MANISTEE COUNTY IN NORTHERN LOWER MICHIGAN...
NORTHERN WEXFORD COUNTY IN NORTHERN LOWER MICHIGAN...
* UNTIL 645 AM EDT
* AT 554 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A SMALL LINE OF THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL. THESE STORMS WERE LOCATED FROM BENDON TO BEAR LAKE...MOVING
EAST AT 60 MPH.
* LOCATIONS IMPACTED INCLUDE...
TRAVERSE CITY...KALKASKA...MANCELONA...GRAWN...HANNAH...KINGSLEY...
TRAVERSE CITY STATE PARK...SPIDER LAKE...FIFE LAKE...
WILLIAMSBURG...SOUTH BOARDMAN...BARKER CREEK...RAPID CITY...
ALDEN...SHARON...SIGMA...DARRAGH...ANTRIM...BEAR LAKE 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 4456 8623 4468 8625 4477 8584 4478 8561
4483 8558 4485 8551 4481 8555 4476 8556
4476 8554 4487 8545 4496 8506 4462 8488
4451 8528 4451 8533 4450 8534 4424 8630
TIME...MOT...LOC 0954Z 250DEG 53KT 4462 8574
WIND...HAIL <50MPH 1.00IN
$$2 follow-up statements
207
WWUS34 KAPX 101005
SVSAPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
605 AM EDT SUN APR 10 2011
MIC009-019-055-079-101-165-101045-
/O.CON.KAPX.SV.W.0003.000000T0000Z-110410T1045Z/
ANTRIM MI-GRAND TRAVERSE MI-KALKASKA MI-BENZIE MI-MANISTEE MI-
WEXFORD MI-
605 AM EDT SUN APR 10 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
WEXFORD...NORTHERN MANISTEE...BENZIE...KALKASKA...GRAND TRAVERSE AND
SOUTHWESTERN ANTRIM COUNTIES UNTIL 645 AM EDT...
AT 602 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM TRAVERSE CITY TO 5 MILES EAST OF
BRETHREN...MOVING EAST AT 50 MPH.
IN ADDITION...AT 555 AM EDT A WIND GUST TO 62 MPH WAS MEASURED AT
THE MANISTEE BLACKER AIRPORT.
LOCATIONS IMPACTED INCLUDE...
KALKASKA...MANCELONA...TRAVERSE CITY STATE PARK...BUCKLEY...
HANNAH...SHERMAN...WILLIAMSBURG...KINGSLEY...SPIDER LAKE...BARKER
CREEK...RAPID CITY...ALDEN...FIFE LAKE...SOUTH BOARDMAN...ANTRIM...
DARRAGH...SIGMA...SHARON...BEAR LAKE AND BATES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.
&&
LAT...LON 4456 8623 4468 8625 4477 8584 4478 8561
4483 8558 4485 8551 4476 8556 4476 8554
4487 8545 4496 8506 4462 8488 4424 8629
TIME...MOT...LOC 1005Z 257DEG 44KT 4474 8559 4432 8587
WIND...HAIL 60MPH 1.00IN
$$
JH390
WWUS34 KAPX 101024
SVSAPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
624 AM EDT SUN APR 10 2011
MIC019-101-101033-
/O.CAN.KAPX.SV.W.0003.000000T0000Z-110410T1045Z/
BENZIE MI-MANISTEE MI-
624 AM EDT SUN APR 10 2011
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN MANISTEE AND BENZIE
COUNTIES IS CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE
WARNED AREA.
LAT...LON 4444 8564 4465 8557 4475 8557 4483 8553
4483 8552 4476 8556 4476 8554 4487 8545
4496 8506 4462 8488
TIME...MOT...LOC 1023Z 256DEG 49KT 4478 8531 4449 8540
WIND...HAIL <50MPH <.50IN
$$
MIC009-055-079-165-101045-
/O.CON.KAPX.SV.W.0003.000000T0000Z-110410T1045Z/
ANTRIM MI-GRAND TRAVERSE MI-KALKASKA MI-WEXFORD MI-
624 AM EDT SUN APR 10 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
WEXFORD...KALKASKA...EASTERN GRAND TRAVERSE AND SOUTHWESTERN ANTRIM
COUNTIES UNTIL 645 AM EDT...
AT 619 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM WILLIAMSBURG TO 6 MILES NORTHWEST
OF MANTON...MOVING EAST AT 55 MPH. AT 612 AM...A TRAINED SPOTTER
REPORTED NICKEL SIZE HAIL NEAR KINGSLEY.
LOCATIONS IMPACTED INCLUDE...
KALKASKA...MANCELONA...RAPID CITY...ALDEN...SOUTH BOARDMAN...
ANTRIM...DARRAGH...SHARON...SIGMA AND BEAR LAKE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.
&&
LAT...LON 4444 8564 4465 8557 4475 8557 4483 8553
4483 8552 4476 8556 4476 8554 4487 8545
4496 8506 4462 8488
TIME...MOT...LOC 1023Z 256DEG 49KT 4478 8531 4449 8540
WIND...HAIL 60MPH 1.00IN
$$
JHThe 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, 4:45 AM EDT | Severe Thunderstorm Warning | APX | Benzie, Grand Traverse, Kalkaska, Manistee, Wexford | 32 min |
| Apr 10, 5:01 AM EDT | Special Marine Warning | APX | 44 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.