Alert archive / Michigan / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 31, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at Sep 5, 2012, 7:30 PM EDT for 4 counties in Michigan. It was in force for 60 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
- Sep 5, 2012, 7:30 PM EDT (23:30 UTC)
- Expired
- Sep 5, 2012, 8:30 PM EDT
- In force
- 60 min
- Issued by
- NWS Gaylord, MI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Arenac County, MI, Gladwin County, MI, Iosco County, MI, Ogemaw County, MI
The radar
The NCL Michigan radar (KAPX), 119 km from the middle of the area, began a volume at 23:31 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
Detroit, MI (KDTX), launched 12:00Z, 11.5 hours before the alert went out and 149 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
- 761 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 636 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
615
WUUS53 KAPX 052330
SVRAPX
MIC011-051-069-129-060030-
/O.NEW.KAPX.SV.W.0031.120905T2330Z-120906T0030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
730 PM EDT WED SEP 5 2012
THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
ARENAC COUNTY IN NORTHERN LOWER MICHIGAN...
NORTHEASTERN GLADWIN COUNTY IN NORTHERN LOWER MICHIGAN...
SOUTHWESTERN IOSCO COUNTY IN NORTHERN LOWER MICHIGAN...
SOUTHEASTERN OGEMAW COUNTY IN NORTHERN LOWER MICHIGAN...
* UNTIL 830 PM EDT
* AT 730 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
ALGER...AND MOVING EAST AT 20 MPH.
* LOCATIONS IMPACTED INCLUDE...
STERLING...STANDISH...AU GRES...TAWAS CITY...SKIDWAY LAKE...MAPLE
RIDGE...OMER...WHITTEMORE...TWINING...TURNER...NATIONAL CITY AND
PRESCOTT.
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.
THIS STORM HAS EXHIBITED SOME WEAK ROTATION. TORNADOES CAN DEVELOP
QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH ONE IS NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.
&&
LAT...LON 4390 8393 4391 8406 4399 8406 4399 8416
4394 8416 4397 8428 4426 8423 4428 8349
4423 8354 4404 8357 4405 8364 4398 8368
4399 8373 4398 8376 4398 8383 4388 8391
TIME...MOT...LOC 2330Z 277DEG 19KT 4407 8412
WIND...HAIL 60MPH 1.00IN
$$3 follow-up statements
309
WWUS34 KAPX 052353
SVSAPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
753 PM EDT WED SEP 5 2012
MIC011-051-069-129-060030-
/O.CON.KAPX.SV.W.0031.000000T0000Z-120906T0030Z/
ARENAC MI-IOSCO MI-GLADWIN MI-OGEMAW MI-
753 PM EDT WED SEP 5 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
OGEMAW...NORTHEASTERN GLADWIN...SOUTHWESTERN IOSCO AND ARENAC
COUNTIES UNTIL 830 PM EDT...
AT 753 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
STERLING...MOVING EAST AT 25 MPH.
LOCATIONS IMPACTED INCLUDE...
AU GRES...TAWAS CITY...WHITTEMORE...OMER...TWINING...TURNER AND
NATIONAL CITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.
THIS STORM HAS EXHIBITED SOME WEAK ROTATION. TORNADOES CAN DEVELOP
QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH ONE IS NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE... SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.
&&
LAT...LON 4398 8383 4390 8393 4391 8406 4399 8406
4399 8416 4394 8416 4400 8426 4426 8423
4428 8349 4423 8354 4404 8357 4405 8364
4398 8368 4399 8373 4398 8376
TIME...MOT...LOC 2353Z 292DEG 22KT 4402 8395
WIND...HAIL 60MPH 1.00IN
$$093
WWUS34 KAPX 060013
SVSAPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
813 PM EDT WED SEP 5 2012
MIC011-051-069-129-060030-
/O.CON.KAPX.SV.W.0031.000000T0000Z-120906T0030Z/
ARENAC MI-IOSCO MI-GLADWIN MI-OGEMAW MI-
813 PM EDT WED SEP 5 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
OGEMAW...NORTHEASTERN GLADWIN...SOUTHWESTERN IOSCO AND ARENAC
COUNTIES UNTIL 830 PM EDT...
AT 809 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
STANDISH...MOVING EAST AT 25 MPH. ADDITIONAL STRONG STORMS ARE
MOVING EAST ACROSS SOUTHERN OGEMAW COUNTY.
LOCATIONS IMPACTED INCLUDE...
AU GRES...TAWAS CITY...TURNER AND NATIONAL CITY.
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.
THIS STORM HAS EXHIBITED SOME WEAK ROTATION. TORNADOES CAN DEVELOP
QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH ONE IS NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE... SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.
&&
LAT...LON 4398 8383 4390 8393 4391 8406 4399 8406
4409 8424 4426 8423 4428 8349 4423 8354
4404 8357 4405 8364 4398 8368 4399 8373
4398 8376
TIME...MOT...LOC 0012Z 292DEG 22KT 4398 8389
WIND...HAIL 60MPH 1.00IN
$$817
WWUS34 KAPX 060025
SVSAPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
825 PM EDT WED SEP 5 2012
MIC011-051-069-129-060036-
/O.EXP.KAPX.SV.W.0031.000000T0000Z-120906T0030Z/
ARENAC MI-IOSCO MI-GLADWIN MI-OGEMAW MI-
825 PM EDT WED SEP 5 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN OGEMAW...
NORTHEASTERN GLADWIN...SOUTHWESTERN IOSCO AND ARENAC COUNTIES WILL
EXPIRE AT 830 PM EDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
LAT...LON 4398 8383 4390 8393 4391 8406 4399 8406
4409 8424 4426 8423 4428 8349 4423 8354
4404 8357 4405 8364 4398 8368 4399 8373
4398 8376
TIME...MOT...LOC 0026Z 292DEG 22KT 4395 8378
WIND...HAIL <50MPH <.50IN
$$The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 5, 3:38 PM EDT | Special Marine Warning | APX | 101 min | |
| Sep 5, 6:31 PM EDT | Severe Thunderstorm Warning | APX | Arenac, Gladwin, Iosco, Ogemaw, Roscommon | 59 min |
| Sep 5, 7:49 PM EDT | Special Marine Warning | APX | 116 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.