Alert archive / Michigan / Tornado Warnings in 2007

Tornado Warning 8, NWS Gaylord, MI

October 18, 2007Antrim County, Kalkaska County, Michigan

NWS Gaylord, MI issued this tornado warning at Oct 18, 2007, 7:49 PM EDT for Antrim County, Kalkaska County, Michigan. It was in force for 41 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, 7:49 PM EDT (23:49 UTC)
Expired
Oct 18, 2007, 8:30 PM EDT
In force
41 min
Issued by
NWS Gaylord, MI
Area
Storm-based polygon

Counties Antrim County, MI, Kalkaska County, MI

The radar

The NCL Michigan radar (KAPX), 31 km from the middle of the area, began a volume at 23:52 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 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, 11.8 hours before the alert went out and 213 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°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 182351
TORAPX
MIC009-079-190030-
/O.NEW.KAPX.TO.W.0008.071018T2349Z-071019T0030Z/

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

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

* TORNADO WARNING FOR...
  ANTRIM COUNTY IN NORTHERN LOWER MICHIGAN...
  KALKASKA COUNTY IN NORTHERN LOWER MICHIGAN...

* UNTIL 830 PM EDT

* AT 748 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS
  LOCATED NEAR DARRAGH...OR ABOUT 6 MILES NORTHEAST OF KALKASKA...
  MOVING NORTHEAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ANTRIM...
  MANCELONA...

AT 735 PM...THERE WAS AN UNCONFIRMED REPORT OF A TORNADO AT THE 
INTERSECTION OF CROFTON RD AND US-131. 

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 4510 8514 4509 8488 4469 8508 4477 8530
TIME...MOT...LOC 2349Z 207DEG 45KT 4482 8513

$$

AJS
3 follow-up statements
000 
WWUS34 KAPX 190006
SVSAPX

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

MIC009-079-190030-
/O.CON.KAPX.TO.W.0008.000000T0000Z-071019T0030Z/
ANTRIM MI-KALKASKA MI-
804 PM EDT THU OCT 18 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM EDT FOR KALKASKA
AND ANTRIM COUNTIES...

AT 800 PM EDT...LAW ENFORCEMENT REPORTED A SEVERE THUNDERSTORM
PRODUCING A TORNADO. THIS STORM WAS LOCATED NEAR MANCELONA...MOVING
NORTHEAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF THE INDICATED COUNTY...

AT 740 PM...LAW ENFORCEMENT REPORTED DAMAGE TO HOUSES AT THE 
INTERSECTION OF CROFTON ROAD AND US-131 FROM AN UNCONFIRMED TORNADO.

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 4510 8514 4509 8488 4469 8508 4477 8530
TIME...MOT...LOC 0004Z 207DEG 45KT 4499 8501

$$

AJS
000 
WWUS34 KAPX 190009 CCA
SVSAPX

SEVERE WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE GAYLORD MI
804 PM EDT THU OCT 18 2007

MIC009-079-190030-
/O.COR.KAPX.TO.W.0008.000000T0000Z-071019T0030Z/
ANTRIM MI-KALKASKA MI-
804 PM EDT THU OCT 18 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM EDT FOR KALKASKA
AND ANTRIM COUNTIES...

AT 800 PM EDT...RADAR CONTINUED TO INDICATED A SEVERE THUNDERSTORM 
CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS LOCATED NEAR 
MANCELONA...MOVING NORTHEAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF THE INDICATED COUNTY...

AT 740 PM...LAW ENFORCEMENT REPORTED DAMAGE TO HOUSES AT THE 
INTERSECTION OF CROFTON ROAD AND US-131 FROM AN UNCONFIRMED TORNADO.

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 4510 8514 4509 8488 4469 8508 4477 8530
TIME...MOT...LOC 0004Z 207DEG 45KT 4499 8501

$$

AJS
000 
WWUS34 KAPX 190025
SVSAPX

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

MIC009-079-190035-
/O.EXP.KAPX.TO.W.0008.000000T0000Z-071019T0030Z/
ANTRIM MI-KALKASKA MI-
825 PM EDT THU OCT 18 2007

...THE TORNADO WARNING FOR KALKASKA AND ANTRIM COUNTIES HAS
EXPIRED...

AT 825 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE STORM WHICH PROMPTED A POSSIBLE TORNADO HAD WEAKENED AND EXITED 
THE AREA. THE WARNING HAS THEREFORE BEEN ALLOWED TO EXPIRE.

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 4510 8514 4509 8488 4469 8508 4477 8530
TIME...MOT...LOC 0025Z 207DEG 45KT 4522 8484

$$

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, 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, 7:56 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.