Alert archive / Michigan / Tornado Warnings in 2014

Tornado Warning 10, NWS Gaylord, MI

September 1, 2014Otsego County, Michigan

NWS Gaylord, MI issued this tornado warning at Sep 1, 2014, 2:30 PM EDT for Otsego County, Michigan. It was in force for 30 min. 2 reports 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: Sep 1, 2014, 2:30 PM EDT (18:30 UTC)
Expired: Sep 1, 2014, 3:00 PM EDT
In force: 30 min
Issued by: NWS Gaylord, MI
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Otsego County, MI

The radar

The NCL Michigan radar (KAPX), 20 km from the middle of the area, began a volume at 18:30 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
Sep 1, 2:42 PM EDT	TORNADO	5 Ssw Johannesburg, MI	A NATIONAL WEATHER SERVICE STORM SURVEY CONFIRMED AN EF-1 TORNADO. DAMAGE CONSISTED OF UPROOTED HARDWOOD TREES AND SOFTWOOD TREES WITH A NUMBER OF THESE TREES FALLING ON AND DAMAGING RESIDENCES. THE MAXIMUM WINDS WERE ESTIMATED AT 110 MPH. THE PATH LENGTH WAS
Sep 1, 2:57 PM EDT	TSTM WND DMG	Johannesburg, MI	HOUSE DAMAGED. TREES AND POWER LINES DOWN. RELAYED FROM LAW ENFORCEMENT. POSSIBLE TORNADO.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Sep 1, 1:23 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Alpena, MI (KAPX), launched 12:00Z, 6.5 hours before the alert went out and 163 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 43 J/kg
Mixed-layer CIN: -133 J/kg
Mixed-layer LCL: 955 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 104 m²/s²
0-3 km storm-relative helicity: 96 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

898 
WFUS53 KAPX 011830
TORAPX
MIC137-011900-
/O.NEW.KAPX.TO.W.0010.140901T1830Z-140901T1900Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
230 PM EDT MON SEP 1 2014

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN OTSEGO COUNTY IN NORTHERN LOWER MICHIGAN...

* UNTIL 300 PM EDT

* AT 227 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 5 MILES NORTHEAST OF FREDERIC...AND MOVING
  NORTHEAST AT 40 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...
  CHESTER TOWNSHIP AROUND 240 PM EDT.
  JOHANNESBURG AROUND 250 PM EDT.

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 4491 8437 4486 8452 4486 8469 4507 8447
      4506 8437
TIME...MOT...LOC 1830Z 233DEG 35KT 4485 8462

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

$$

ARNOTT

3 follow-up statements

235 
WWUS53 KAPX 011838
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
238 PM EDT MON SEP 1 2014

MIC137-011900-
/O.CON.KAPX.TO.W.0010.000000T0000Z-140901T1900Z/
OTSEGO MI-
238 PM EDT MON SEP 1 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN OTSEGO COUNTY
UNTIL 300 PM EDT...

AT 235 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR CHESTER TOWNSHIP...AND MOVING NORTHEAST AT 40 MPH.

HAZARD...TORNADO.

SOURCE...RADAR INDICATED ROTATION. AT 228 PM...SPOTTERS REPORTED A   
         FUNNEL CLOUD ALONG WITH TREES DOWN IN THE TOWN OF FREDERIC.

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...
  JOHANNESBURG AROUND 245 PM EDT.

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 4486 8452 4486 8461 4486 8468 4488 8468
      4507 8447 4506 8437 4491 8437
TIME...MOT...LOC 1837Z 233DEG 35KT 4489 8454

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

$$

ARNOTT

593 
WWUS53 KAPX 011844
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
244 PM EDT MON SEP 1 2014

MIC137-011900-
/O.CON.KAPX.TO.W.0010.000000T0000Z-140901T1900Z/
OTSEGO MI-
244 PM EDT MON SEP 1 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN OTSEGO COUNTY
UNTIL 300 PM EDT...

AT 241 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR CHESTER TOWNSHIP...AND MOVING NORTHEAST AT 40 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 STORM HAS A HISTORY OF PRODUCING DAMAGE IN CRAWFORD COUNTY.  

THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF SOUTHEASTERN
OTSEGO COUNTY.

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 4487 8450 4489 8456 4492 8458 4507 8447
      4506 8437 4491 8437
TIME...MOT...LOC 1844Z 233DEG 35KT 4493 8446

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

$$

ARNOTT

958 
WWUS53 KAPX 011857
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
257 PM EDT MON SEP 1 2014

MIC137-011907-
/O.EXP.KAPX.TO.W.0010.000000T0000Z-140901T1900Z/
OTSEGO MI-
257 PM EDT MON SEP 1 2014

...THE TORNADO WARNING FOR SOUTHEASTERN OTSEGO COUNTY WILL EXPIRE AT
300 PM EDT...

THE STORM WHICH PROMPTED THE WARNING IS MOVING OUT OF THE WARNED 
AREA.  

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 6 PM EDT.  

LAT...LON 4487 8450 4489 8456 4492 8458 4507 8447
      4506 8437 4491 8437
TIME...MOT...LOC 1857Z 233DEG 35KT 4500 8431

$$

ARNOTT

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 1, 3:59 AM EDT	Beach Hazards Statement	APX	Benzie, Leelanau, Manistee	19 hr
Sep 1, 12:57 PM EDT	Severe Thunderstorm Warning	APX	Grand Traverse, Kalkaska	48 min
Sep 1, 1:52 PM EDT	Severe Thunderstorm Warning	APX	Antrim, Crawford, Kalkaska, Otsego	53 min
Sep 1, 1:54 PM EDT	Tornado Warning	APX	Antrim, Kalkaska	24 min
Sep 1, 2:11 PM EDT	Tornado Warning	APX	Crawford	34 min
Sep 1, 2:34 PM EDT	Severe Thunderstorm Warning	APX	Cheboygan	43 min
Sep 1, 2:42 PM EDT	Severe Thunderstorm Warning	APX	Montmorency, Oscoda	47 min
Sep 1, 2:49 PM EDT	Severe Thunderstorm Warning	APX	Ogemaw, Roscommon	42 min
Sep 1, 2:53 PM EDT	Tornado Warning Tornado observed	APX	Montmorency	37 min
Sep 1, 2:55 PM EDT	Tornado Warning	APX	Cheboygan	21 min
Sep 1, 3:02 PM EDT	Special Marine Warning	APX		88 min
Sep 1, 3:05 PM EDT	Severe Thunderstorm Warning	APX	Presque Isle	55 min
Sep 1, 3:11 PM EDT	Severe Thunderstorm Warning	APX	Alcona, Alpena	64 min
Sep 1, 3:17 PM EDT	Special Marine Warning	APX		88 min

Nearby

Tornado Warnings in Michigan, 2014 Every tornado warning in 2014 Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.