Alert archive / Michigan / Tornado Warnings in 2007

Tornado Warning 6, NWS Gaylord, MI

October 18, 2007Cheboygan County, Presque Isle County, Michigan

NWS Gaylord, MI issued this tornado warning at Oct 18, 2007, 5:33 PM EDT for Cheboygan County, Presque Isle County, Michigan. It was in force for 38 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
Oct 18, 2007, 5:33 PM EDT (21:33 UTC)
Expired
Oct 18, 2007, 6:11 PM EDT
In force
38 min
Issued by
NWS Gaylord, MI
Area
Storm-based polygon

Counties Cheboygan County, MI, Presque Isle County, MI

The radar

The NCL Michigan radar (KAPX), 78 km from the middle of the area, began a volume at 21:33 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

TimeReportWhereRemark
Oct 18, 5:54 PM EDTFUNNEL CLOUDBlack Lake, MIFUNNEL CLOUD OVER BLACK LAKE
Oct 18, 6:00 PM EDTTORNADOBlack Lake, MICONFIRMED TORNADO TOUCHDOWN

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.

IssuedProductOfficeLasted
Oct 18, 4:23 PM EDTTornado WatchSPC8 hr

The nearest sounding before it

Alpena, MI (KAPX), launched 12:00Z, 9.6 hours before the alert went out and 151 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 2007-10-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Alpena, MI at 12:00Z on 2007-10-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 369 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
459 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
369 m²/s²
0-3 km storm-relative helicity
362 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 182133
TORAPX
MIC031-141-182215-
/O.NEW.KAPX.TO.W.0006.071018T2133Z-071018T2215Z/

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

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

* TORNADO WARNING FOR...
  CHEBOYGAN COUNTY IN NORTHERN LOWER MICHIGAN...
  PRESQUE ISLE COUNTY IN NORTHERN LOWER MICHIGAN...

* UNTIL 615 PM EDT

* AT 529 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS
  LOCATED 8 MILES SOUTHWEST OF BLACK LAKE...OR ABOUT 9 MILES
  NORTHWEST OF ONAWAY...MOVING NORTHEAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ONAWAY STATE PARK...
  BLACK LAKE...
  HURON BEACH...
  NINE MILE POINT...

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING
PREVIOUSLY ISSUED FOR THE WARNED AREA.

LAT...LON 4533 8437 4543 8448 4566 8429 4566 8422
      4559 8412 4556 8410 4552 8410 4551 8408
      4550 8407
TIME...MOT...LOC 2133Z 222DEG 34KT 4544 8436

$$
2 follow-up statements
000 
WWUS34 KAPX 182158
SVSAPX

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

MIC031-141-182215-
/O.CON.KAPX.TO.W.0006.000000T0000Z-071018T2215Z/
CHEBOYGAN MI-PRESQUE ISLE MI-
558 PM EDT THU OCT 18 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM EDT FOR PRESQUE
ISLE AND CHEBOYGAN COUNTIES...

AT 554 PM EDT...A SPOTTER REPORTED A SEVERE THUNDERSTORM PRODUCING A 
FUNNEL CLOUD OVER BLACK LAKE AT 554 PM. THIS STORM WAS LOCATED NEAR 
NINE MILE POINT...OR ABOUT 15 MILES EAST OF CHEBOYGAN...MOVING 
NORTHEAST AT 35 MPH.

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 4533 8437 4543 8448 4566 8429 4566 8422
      4559 8412 4556 8410 4552 8410 4551 8408
      4550 8407
TIME...MOT...LOC 2158Z 222DEG 34KT 4561 8413

$$
000 
WWUS34 KAPX 182211
SVSAPX

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

MIC031-141-182221-
/O.CAN.KAPX.TO.W.0006.000000T0000Z-071018T2215Z/
CHEBOYGAN MI-PRESQUE ISLE MI-
611 PM EDT THU OCT 18 2007

...THE TORNADO WARNING FOR PRESQUE ISLE AND CHEBOYGAN COUNTIES IS
CANCELLED...

AT 611 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE STORM WHICH PROMPTED THE TORNADO WARNING HAS WEAKENED AND EXITED
THE AREA. THE WARNING HAS THEREFORE BEEN CANCELLED.

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 4533 8437 4543 8448 4566 8429 4566 8422
      4559 8412 4556 8410 4552 8410 4551 8408
      4550 8407
TIME...MOT...LOC 2211Z 222DEG 34KT 4570 8401

$$

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, 4:02 PM EDTTornado WarningAPXMissaukee, Roscommon43 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, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.