Alert archive / Michigan / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 18, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at Jun 18, 2012, 9:43 PM EDT for 5 counties in Michigan. It was in force for 44 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 18, 2012, 9:43 PM EDT (01:43 UTC)
- Expired
- Jun 18, 2012, 10:27 PM EDT
- In force
- 44 min
- Issued by
- NWS Gaylord, MI
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 70.0 mph
Counties Alcona County, MI, Iosco County, MI, Ogemaw County, MI, Oscoda County, MI, Roscommon County, MI
The radar
The NCL Michigan radar (KAPX), 104 km from the middle of the area, began a volume at 01:43 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 |
|---|---|---|---|
| Jun 18, 5:46 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Alpena, MI (KAPX), launched 00:00Z, 1.7 hours before the alert went out and 126 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
- 1266 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 843 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 386 m²/s²
- 0-3 km storm-relative helicity
- 467 m²/s²
- Significant tornado parameter
- 2.5
- Supercell composite
- 9.8
The text
As transmitted, in the capitals the NWS used until 2016.
570
WUUS53 KAPX 190143
SVRAPX
MIC001-069-129-135-143-190245-
/O.NEW.KAPX.SV.W.0018.120619T0143Z-120619T0245Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
943 PM EDT MON JUN 18 2012
THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN ALCONA COUNTY IN NORTHERN LOWER MICHIGAN...
IOSCO COUNTY IN NORTHERN LOWER MICHIGAN...
NORTHERN OGEMAW COUNTY IN NORTHERN LOWER MICHIGAN...
SOUTHERN OSCODA COUNTY IN NORTHERN LOWER MICHIGAN...
NORTHEASTERN ROSCOMMON COUNTY IN NORTHERN LOWER MICHIGAN...
* UNTIL 1045 PM EDT
* AT 938 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS
TO 70 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
LUZERNE TO 6 MILES NORTHWEST OF CLEAR LAKE TO SOUTH HIGGINS LAKE
STATE PARK...AND MOVING EAST AT 50 MPH. PENNY SIZE HAIL MAY ALSO
ACCOMPANY THESE DAMAGING WINDS.
* LOCATIONS IMPACTED INCLUDE...
ST. HELEN...GLENNIE...OSCODA...AU SABLE...TAWAS CITY...EAST
TAWAS...MACK LAKE...ROSE TOWNSHIP...CLEAR LAKE...MCKINLEY...ROSE
CITY...LUPTON...CURTISVILLE...SOUTH BRANCH...LONG LAKE...RIFLE
RIVER STATE PARK...SELKIRK...HALE...MIKADO AND WHITTEMORE.
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.
SQUALL LINES CAN OCCASIONALLY PRODUCE BRIEF TORNADOES IN ADDITION TO
SIGNIFICANT WIND DAMAGE. ALTHOUGH NOT IMMEDIATELY LIKELY...FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME
OR BUSINESS. THIS STORM HAS THE POTENTIAL TO CAUSE SERIOUS INJURY
AND SIGNIFICANT DAMAGE TO PROPERTY.
&&
LAT...LON 4434 8332 4432 8334 4433 8336 4424 8344
4425 8347 4427 8346 4426 8352 4416 8356
4442 8466 4446 8442 4467 8423 4463 8330
TIME...MOT...LOC 0142Z 276DEG 45KT 4463 8413 4445 8429
4442 8453
WIND...HAIL 70MPH 0.75IN
$$3 follow-up statements
389
WWUS34 KAPX 190200
SVSAPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
1000 PM EDT MON JUN 18 2012
MIC143-190209-
/O.CAN.KAPX.SV.W.0018.000000T0000Z-120619T0245Z/
ROSCOMMON MI-
1000 PM EDT MON JUN 18 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ROSCOMMON COUNTY
IS CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE
WARNED AREA.
LAT...LON 4435 8437 4450 8437 4461 8413 4463 8330
4434 8332 4432 8334 4433 8336 4424 8344
4425 8347 4427 8346 4426 8352 4416 8356
TIME...MOT...LOC 0159Z 273DEG 43KT 4459 8409 4441 8434
4434 8433
WIND...HAIL <50MPH <.50IN
$$
MIC001-069-129-135-190245-
/O.CON.KAPX.SV.W.0018.000000T0000Z-120619T0245Z/
ALCONA MI-IOSCO MI-OGEMAW MI-OSCODA MI-
1000 PM EDT MON JUN 18 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
OSCODA...NORTHERN OGEMAW...IOSCO AND SOUTHERN ALCONA COUNTIES UNTIL
1045 PM EDT...
AT 957 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM MACK LAKE TO ST. HELEN...MOVING EAST AT 50 MPH. PENNY SIZE HAIL
MAY ALSO ACCOMPANY THESE DAMAGING WINDS.
LOCATIONS IMPACTED INCLUDE...
GLENNIE...TAWAS CITY...EAST TAWAS...OSCODA...AU SABLE...MACK
LAKE...CLEAR LAKE...ROSE TOWNSHIP...ROSE CITY...CURTISVILLE...
LUPTON...SELKIRK...RIFLE RIVER STATE PARK...SOUTH BRANCH...LONG
LAKE...HALE...WHITTEMORE...NATIONAL CITY...PLAINFIELD TOWNSHIP AND
MIKADO.
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.
SQUALL LINES CAN OCCASIONALLY PRODUCE BRIEF TORNADOES IN ADDITION TO
SIGNIFICANT WIND DAMAGE. ALTHOUGH NOT IMMEDIATELY LIKELY... FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME
OR BUSINESS.
&&
LAT...LON 4435 8437 4450 8437 4461 8413 4463 8330
4434 8332 4432 8334 4433 8336 4424 8344
4425 8347 4427 8346 4426 8352 4416 8356
TIME...MOT...LOC 0159Z 273DEG 43KT 4459 8409 4441 8434
4434 8433
WIND...HAIL 60MPH 0.75IN
$$797
WWUS34 KAPX 190216
SVSAPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
1016 PM EDT MON JUN 18 2012
MIC001-069-129-135-190245-
/O.CON.KAPX.SV.W.0018.000000T0000Z-120619T0245Z/
ALCONA MI-IOSCO MI-OGEMAW MI-OSCODA MI-
1016 PM EDT MON JUN 18 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
OSCODA...NORTHERN OGEMAW...IOSCO AND SOUTHERN ALCONA COUNTIES UNTIL
1045 PM EDT...
AT 1011 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 5 MILES SOUTHWEST OF MCKINLEY TO ROSE CITY TO CLEAR LAKE...
MOVING EAST AT 50 MPH. PENNY SIZE HAIL MAY ALSO ACCOMPANY THESE
DAMAGING WINDS.
LOCATIONS IMPACTED INCLUDE...
GLENNIE...TAWAS CITY...EAST TAWAS...CURTISVILLE...RIFLE RIVER STATE
PARK...SOUTH BRANCH...LONG LAKE...SELKIRK...HALE...WHITTEMORE...
MIKADO...PLAINFIELD TOWNSHIP...WURTSMITH AIRFIELD...NATIONAL
CITY...TAWAS POINT STATE PARK...SID TOWN AND WILBER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.
SQUALL LINES CAN OCCASIONALLY PRODUCE BRIEF TORNADOES IN ADDITION TO
SIGNIFICANT WIND DAMAGE. ALTHOUGH NOT IMMEDIATELY LIKELY... FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME
OR BUSINESS.
&&
LAT...LON 4435 8435 4461 8401 4463 8352 4462 8330
4448 8331 4437 8342 4424 8344 4425 8347
4427 8346 4426 8352 4416 8356
TIME...MOT...LOC 0216Z 273DEG 43KT 4456 8390 4440 8406
4440 8425
WIND...HAIL 60MPH 0.75IN
$$090
WWUS34 KAPX 190227
SVSAPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
1027 PM EDT MON JUN 18 2012
MIC001-069-129-135-190237-
/O.CAN.KAPX.SV.W.0018.000000T0000Z-120619T0245Z/
ALCONA MI-IOSCO MI-OGEMAW MI-OSCODA MI-
1027 PM EDT MON JUN 18 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN OSCODA...NORTHERN
OGEMAW...IOSCO AND SOUTHERN ALCONA COUNTIES IS CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED...AND NO
LONGER APPEAR CAPABLE OF PRODUCING SEVERE WEATHER.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1 AM.
LAT...LON 4435 8435 4461 8401 4463 8352 4462 8330
4448 8331 4437 8342 4424 8344 4425 8347
4427 8346 4426 8352 4416 8356
TIME...MOT...LOC 0227Z 273DEG 43KT 4457 8362 4439 8387
4432 8386
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 18, 8:32 PM EDT | Special Marine Warning | APX | 27 min | |
| Jun 18, 9:25 PM EDT | Special Marine Warning | APX | 66 min | |
| Jun 18, 10:51 PM EDT | Small Craft Advisory | APX | 7 hr | |
| Jun 19, 12:02 AM EDT | Special Marine Warning | APX | 43 min | |
| Jun 19, 9:50 AM EDT | Special Marine Warning | APX | 85 min | |
| Jun 19, 10:24 AM EDT | Special Marine Warning | APX | 79 min | |
| Jun 19, 10:34 AM EDT | Severe Thunderstorm Warning | APX | Antrim, Charlevoix, Leelanau | 56 min |
| Jun 19, 11:36 AM EDT | Special Marine Warning | APX | 84 min | |
| Jun 19, 12:33 PM EDT | Special Marine Warning | APX | 72 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 2012Every severe thunderstorm warning in 2012
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.