Alert archive / Michigan / Tornado Warnings in 2015

Tornado Warning 2, NWS Gaylord, MI

August 19, 2015Alcona County, Oscoda County, Michigan

NWS Gaylord, MI issued this tornado warning at Aug 19, 2015, 3:52 PM EDT for Alcona County, Oscoda County, Michigan. It was in force for 38 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
Aug 19, 2015, 3:52 PM EDT (19:52 UTC)
Expired
Aug 19, 2015, 4:30 PM EDT
In force
38 min
Issued by
NWS Gaylord, MI
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Alcona County, MI, Oscoda County, MI

The radar

The NCL Michigan radar (KAPX), 70 km from the middle of the area, began a volume at 19:55 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

Alpena, MI (KAPX), launched 12:00Z, 7.9 hours before the alert went out and 128 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.

Skew-T log-pSkew-T log-p diagram, Alpena, MI at 12:00Z on 2015-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 254 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Alpena, MI at 12:00Z on 2015-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 185 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
254 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
489 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
185 m²/s²
0-3 km storm-relative helicity
146 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

556 
WFUS53 KAPX 191952
TORAPX
MIC001-135-192030-
/O.NEW.KAPX.TO.W.0002.150819T1952Z-150819T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
352 PM EDT WED AUG 19 2015

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN ALCONA COUNTY IN NORTHERN MICHIGAN...
  EASTERN OSCODA COUNTY IN NORTHERN MICHIGAN...

* UNTIL 430 PM EDT
    
* AT 352 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR MACK LAKE...OR 8 MILES SOUTHEAST OF MIO...
  MOVING NORTHEAST AT 35 MPH.

  HAZARD...TORNADO. 

  SOURCE...RADAR INDICATED ROTATION. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. 
           DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR.  TREE 
           DAMAGE IS LIKELY. 

* THIS DANGEROUS STORM WILL BE NEAR...
  MCKINLEY AND CURTISVILLE AROUND 400 PM EDT.
  FAIRVIEW AROUND 405 PM EDT.
  CURRAN AROUND 415 PM EDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
MITCHELL TOWNSHIP.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4451 8388 4451 8419 4485 8400 4486 8358
TIME...MOT...LOC 1952Z 214DEG 32KT 4457 8401 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

LAWRENCE
3 follow-up statements
760 
WWUS53 KAPX 191959
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
359 PM EDT WED AUG 19 2015

MIC001-135-192030-
/O.CON.KAPX.TO.W.0002.000000T0000Z-150819T2030Z/
ALCONA MI-OSCODA MI-
359 PM EDT WED AUG 19 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM EDT FOR
NORTHWESTERN ALCONA AND NORTHEASTERN OSCODA COUNTIES...
    
AT 358 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 
WAS LOCATED NEAR MCKINLEY...OR 8 MILES EAST OF MIO...MOVING 
NORTHEAST AT 35 MPH.

HAZARD...TORNADO. 

SOURCE...RADAR INDICATED ROTATION. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE 
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR.  TREE DAMAGE IS 
         LIKELY. 

THIS DANGEROUS STORM WILL BE NEAR...
  CURRAN AROUND 415 PM EDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
MITCHELL TOWNSHIP.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4457 8388 4460 8406 4485 8400 4486 8358
TIME...MOT...LOC 1958Z 213DEG 29KT 4462 8397 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

LAWRENCE
631 
WWUS53 KAPX 192009
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
409 PM EDT WED AUG 19 2015

MIC001-135-192030-
/O.CON.KAPX.TO.W.0002.000000T0000Z-150819T2030Z/
ALCONA MI-OSCODA MI-
409 PM EDT WED AUG 19 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM EDT FOR
NORTHWESTERN ALCONA AND NORTHEASTERN OSCODA COUNTIES...
    
AT 408 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR MCKINLEY...OR 11 MILES EAST OF MIO...MOVING
NORTHEAST AT 35 MPH.

HAZARD...TORNADO. 

SOURCE...RADAR INDICATED ROTATION. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE 
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR.  TREE DAMAGE IS 
         LIKELY. 

THIS DANGEROUS STORM WILL BE NEAR...
  CURRAN AROUND 415 PM EDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
MITCHELL TOWNSHIP.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4463 8389 4467 8398 4485 8391 4486 8358
TIME...MOT...LOC 2008Z 212DEG 31KT 4470 8390 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

LAWRENCE
921 
WWUS53 KAPX 192020
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
420 PM EDT WED AUG 19 2015

MIC001-135-192030-
/O.EXP.KAPX.TO.W.0002.000000T0000Z-150819T2030Z/
ALCONA MI-OSCODA MI-
420 PM EDT WED AUG 19 2015

...THE TORNADO WARNING FOR NORTHWESTERN ALCONA AND NORTHEASTERN
OSCODA COUNTIES WILL EXPIRE AT 430 PM EDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.  HOWEVER GUSTY 
WINDS AND SMALL HAIL ARE STILL POSSIBLE WITH THIS THUNDERSTORM 
THROUGH 440 PM.

LAT...LON 4463 8389 4467 8398 4485 8391 4486 8358
TIME...MOT...LOC 2018Z 214DEG 32KT 4470 8390 

$$

LAWRENCE

The office that day

Everything else NWS Gaylord, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 19, 5:07 AM EDTBeach Hazards StatementAPXBenzie, Leelanau, Manistee19 hr
Aug 19, 3:11 PM EDTSpecial Marine WarningAPX49 min
Aug 19, 4:26 PM EDTSpecial Weather StatementAPXAlpena34 min
Aug 19, 4:52 PM EDTSpecial Marine WarningAPX38 min
Aug 19, 5:02 PM EDTSpecial Marine WarningAPX43 min
Aug 19, 5:04 PM EDTSpecial Weather StatementAPXPresque Isle26 min
Aug 19, 5:07 PM EDTSpecial Weather StatementAPX38 min
Aug 19, 5:11 PM EDTSpecial Marine WarningAPX49 min

Nearby

Tornado Warnings in Michigan, 2015Every tornado warning in 2015Tornadoes in 2015

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.