Alert archive / Michigan / Tornado Warnings in 2007

Tornado Warning 5, NWS Gaylord, MI

October 18, 2007Missaukee County, Roscommon County, Michigan

NWS Gaylord, MI issued this tornado warning at Oct 18, 2007, 4:02 PM EDT for Missaukee County, Roscommon County, Michigan. It was in force for 43 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
Oct 18, 2007, 4:02 PM EDT (20:02 UTC)
Expired
Oct 18, 2007, 4:45 PM EDT
In force
43 min
Issued by
NWS Gaylord, MI
Area
Storm-based polygon

Counties Missaukee County, MI, Roscommon County, MI

The radar

The NCL Michigan radar (KAPX), 71 km from the middle of the area, began a volume at 20:04 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, 8.0 hours before the alert went out and 209 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, Detroit, MI at 12:00Z on 2007-10-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 9 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, Detroit, MI at 12:00Z on 2007-10-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 176 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
9 J/kg
Mixed-layer CIN
-154 J/kg
Mixed-layer LCL
923 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
176 m²/s²
0-3 km storm-relative helicity
199 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.

000 
WFUS53 KAPX 182004
TORAPX
MIC113-143-182045-
/O.NEW.KAPX.TO.W.0005.071018T2002Z-071018T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
402 PM EDT THU OCT 18 2007

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

* TORNADO WARNING FOR...
  MISSAUKEE COUNTY IN NORTHERN LOWER MICHIGAN...
  ROSCOMMON COUNTY IN NORTHERN LOWER MICHIGAN...

* UNTIL 445 PM EDT

* AT 400 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS
  LOCATED NEAR VOGEL CENTER...OR ABOUT 15 MILES SOUTH OF LAKE CITY...
  MOVING NORTHEAST AT 40 MPH.

* THIS STORM WILL BE NEAR...
  VOGEL CENTER...YOUNG STATE PARK AND FALMOUTH AROUND 410 PM EDT...
  MODDERSVILLE AROUND 415 PM EDT...
  HIGGINS LAKE...SOUTH HIGGINS LAKE STATE AND SOUTH HIGGINS LAKE
  STATE PARK AROUND 440 PM EDT...
  NORTH HIGGINS LAKE PARK AROUND 445 PM EDT...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

LAT...LON 4417 8490 4418 8511 4425 8510 4451 8493
      4451 8440 4417 8484
TIME...MOT...LOC 2002Z 218DEG 36KT 4414 8510

$$
2 follow-up statements
000 
WWUS34 KAPX 182018
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
418 PM EDT THU OCT 18 2007

MIC113-143-182045-
/O.CON.KAPX.TO.W.0005.000000T0000Z-071018T2045Z/
MISSAUKEE MI-ROSCOMMON MI-
418 PM EDT THU OCT 18 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM EDT FOR ROSCOMMON
AND MISSAUKEE COUNTIES...

AT 416 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS
STORM WAS LOCATED NEAR MODDERSVILLE...OR ABOUT 11 MILES WEST OF
HOUGHTON LAKE...MOVING NORTHEAST AT 40 MPH.

* THIS STORM WILL BE NEAR...
  MERRITT AROUND 425 PM EDT...
  6 MILES NORTHWEST OF HOUGHTON LAKE AROUND 430 PM EDT...
  7 MILES NORTHWEST OF ROSCOMMON COUNTY AIRPORT AROUND 435 PM EDT...
  HIGGINS LAKE...NORTH HIGGINS LAKE PARK...SOUTH HIGGINS LAKE STATE
  AND SOUTH HIGGINS LAKE STATE PARK AROUND 445 PM EDT...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

LAT...LON 4422 8494 4423 8503 4427 8506 4451 8493
      4451 8440 4424 8484
TIME...MOT...LOC 2018Z 218DEG 36KT 4427 8496

$$
000 
WWUS34 KAPX 182046
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
445 PM EDT THU OCT 18 2007

MIC113-143-182055-
/O.EXP.KAPX.TO.W.0005.000000T0000Z-071018T2045Z/
MISSAUKEE MI-ROSCOMMON MI-
445 PM EDT THU OCT 18 2007

...THE TORNADO WARNING FOR ROSCOMMON AND MISSAUKEE COUNTIES HAS
EXPIRED...

AT 445 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE ROTATION IN THE STORM WHICH PROMPTED THE TORNADO WARNING HAD 
WEAKENED. THE WARNING HAS THEREFORE BEEN ALLOWED TO EXPIRE.

HOWEVER...A SEVERE THUNDERSTORM REMAINS IN AFFECT FOR THE NORTHERN 
PART OF THE COUNTY UNTIL 545 PM.

A TORNADO WATCH REMAINS IN EFFECT FOR THE AREA. THUNDERSTORMS CAN AND
OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.
IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY
IN A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

LAT...LON 4422 8494 4423 8503 4427 8506 4451 8493
      4451 8440 4424 8484
TIME...MOT...LOC 2045Z 218DEG 36KT 4448 8473

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 18, 3:51 PM EDTSevere Thunderstorm WarningAPXAntrim, Kalkaska54 min
Oct 18, 4:37 PM EDTSevere Thunderstorm WarningAPXAntrim, Charlevoix, Otsego37 min
Oct 18, 4:43 PM EDTSevere Thunderstorm WarningAPXCrawford, Roscommon32 min
Oct 18, 4:59 PM EDTSevere Thunderstorm WarningAPXCheboygan61 min
Oct 18, 5:33 PM EDTTornado WarningAPXCheboygan, Presque Isle38 min
Oct 18, 6:28 PM EDTTornado WarningAPXAlpena, Montmorency, Presque Isle26 min
Oct 18, 6:41 PM EDTSpecial Marine WarningAPX41 min
Oct 18, 7:05 PM EDTSevere Thunderstorm WarningAPXLeelanau40 min
Oct 18, 7:18 PM EDTSpecial Marine WarningAPX87 min
Oct 18, 7:19 PM EDTSevere Thunderstorm WarningAPXCrawford, Kalkaska, Missaukee, Roscommon41 min
Oct 18, 7:25 PM EDTSevere Thunderstorm WarningAPXAntrim, Charlevoix, Emmet65 min
Oct 18, 7:26 PM EDTSpecial Marine WarningAPX64 min
Oct 18, 7:30 PM EDTSevere Thunderstorm WarningAPXBenzie, Grand Traverse, Leelanau, Manistee45 min
Oct 18, 7:38 PM EDTSevere Thunderstorm WarningAPXAntrim, Charlevoix, Kalkaska, Otsego52 min
Oct 18, 7:46 PM EDTSevere Thunderstorm WarningAPXCheboygan, Montmorency, Otsego, Presque Isle23 min
Oct 18, 7:49 PM EDTSevere Thunderstorm WarningAPXGrand Traverse, Kalkaska, Manistee, Missaukee, Wexford56 min
Oct 18, 7:49 PM EDTTornado WarningAPXAntrim, Kalkaska41 min
Oct 18, 7:56 PM EDTSevere Thunderstorm WarningAPXCrawford, Oscoda, Roscommon30 min

Nearby

Tornado Warnings in Michigan, 2007Every tornado warning in 2007Tornadoes in 2007

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.