Alert archive / Michigan / Tornado Warnings in 2014

Tornado Warning 6, NWS Gaylord, MI

August 30, 2014Alcona County, Alpena County, Oscoda County, Michigan

NWS Gaylord, MI issued this tornado warning at Aug 30, 2014, 3:56 PM EDT for Alcona County, Alpena County, Oscoda County, Michigan. It was in force for 49 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 30, 2014, 3:56 PM EDT (19:56 UTC)
Expired
Aug 30, 2014, 4:45 PM EDT
In force
49 min
Issued by
NWS Gaylord, MI
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Alcona County, MI, Alpena County, MI, Oscoda County, MI

The radar

The NCL Michigan radar (KAPX), 65 km from the middle of the area, began a volume at 19:56 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 122 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 2014-08-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 368 joules per kilogram.LCLLFCEL10008507005003002001001 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 2014-08-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 147 square meters per square second.193958Sfc1 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
368 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
847 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
147 m²/s²
0-3 km storm-relative helicity
154 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

468 
WFUS53 KAPX 301956
TORAPX
MIC001-007-135-302045-
/O.NEW.KAPX.TO.W.0006.140830T1956Z-140830T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
356 PM EDT SAT AUG 30 2014

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN ALCONA COUNTY IN NORTHERN LOWER MICHIGAN...
  SOUTHWESTERN ALPENA COUNTY IN NORTHERN LOWER MICHIGAN...
  NORTHEASTERN OSCODA COUNTY IN NORTHERN LOWER MICHIGAN...

* UNTIL 445 PM EDT

* AT 353 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR FAIRVIEW...AND MOVING NORTHEAST AT 30 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...
  OSSINEKE TOWNSHIP AROUND 435 PM EDT.
  THE TOWN OF HUBBARD LAKE AROUND 445 PM EDT.

OTHER LOCATIONS IN THE WARNING INCLUDE MITCHELL TOWNSHIP.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4465 8411 4474 8417 4486 8394 4486 8389
      4489 8388 4501 8365 4479 8352
TIME...MOT...LOC 1956Z 240DEG 24KT 4474 8403

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

$$

JZ
3 follow-up statements
391 
WWUS53 KAPX 302009
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
409 PM EDT SAT AUG 30 2014

MIC001-007-135-302045-
/O.CON.KAPX.TO.W.0006.000000T0000Z-140830T2045Z/
ALCONA MI-OSCODA MI-ALPENA MI-
409 PM EDT SAT AUG 30 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN ALPENA...
NORTHEASTERN OSCODA AND NORTHWESTERN ALCONA COUNTIES UNTIL 445 PM
EDT...

AT 408 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 6 MILES NORTHWEST OF CURRAN...AND MOVING EAST AT 30 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.

LOCATIONS IMPACTED INCLUDE...
OSSINEKE TOWNSHIP...HUBBARD LAKE AND MITCHELL TOWNSHIP.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4479 8352 4470 8400 4480 8401 4486 8389
      4497 8362
TIME...MOT...LOC 2009Z 253DEG 25KT 4476 8390

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

$$

JZ
056 
WWUS53 KAPX 302019
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
419 PM EDT SAT AUG 30 2014

MIC135-302029-
/O.CAN.KAPX.TO.W.0006.000000T0000Z-140830T2045Z/
OSCODA MI-
419 PM EDT SAT AUG 30 2014

...THE TORNADO WARNING FOR NORTHEASTERN OSCODA COUNTY IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 4472 8389 4486 8389 4495 8361 4479 8352
TIME...MOT...LOC 2019Z 242DEG 29KT 4480 8379

$$

MIC001-007-302045-
/O.CON.KAPX.TO.W.0006.000000T0000Z-140830T2045Z/
ALCONA MI-ALPENA MI-
419 PM EDT SAT AUG 30 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN ALPENA AND
NORTHWESTERN ALCONA COUNTIES UNTIL 445 PM EDT...

AT 416 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 5 MILES NORTH OF CURRAN...AND 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.

LOCATIONS IMPACTED INCLUDE...
OSSINEKE TOWNSHIP AND HUBBARD LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4472 8389 4486 8389 4495 8361 4479 8352
TIME...MOT...LOC 2019Z 242DEG 29KT 4480 8379

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

$$

JZ
234 
WWUS53 KAPX 302033
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
433 PM EDT SAT AUG 30 2014

MIC001-007-302045-
/O.CON.KAPX.TO.W.0006.000000T0000Z-140830T2045Z/
ALCONA MI-ALPENA MI-
433 PM EDT SAT AUG 30 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL ALPENA AND
NORTH CENTRAL ALCONA COUNTIES UNTIL 445 PM EDT...

AT 432 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR HUBBARD LAKE...AND MOVING NORTHEAST AT 25 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.

LOCATIONS IMPACTED INCLUDE...
HUBBARD LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4477 8372 4488 8376 4492 8359 4479 8352
TIME...MOT...LOC 2033Z 247DEG 22KT 4483 8368

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

$$

JZ

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 30, 3:09 PM EDTSevere Thunderstorm WarningAPXCrawford, Oscoda51 min
Aug 30, 3:19 PM EDTTornado WarningAPXOscoda41 min
Aug 30, 4:39 PM EDTSpecial Marine WarningAPX96 min
Aug 30, 4:43 PM EDTTornado WarningAPXAlcona, Alpena30 min
Aug 30, 5:06 PM EDTSpecial Marine WarningAPX84 min

Nearby

Tornado Warnings in Michigan, 2014Every tornado warning in 2014Tornadoes in 2014

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.