Alert archive / Michigan / Tornado Warnings in 2007

Tornado Warning 2, NWS Gaylord, MI

July 9, 2007Gladwin County, Michigan

NWS Gaylord, MI issued this tornado warning at Jul 9, 2007, 3:50 PM EDT for Gladwin County, Michigan. It was in force for 19 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
Jul 9, 2007, 3:50 PM EDT (19:50 UTC)
Expired
Jul 9, 2007, 4:09 PM EDT
In force
19 min
Issued by
NWS Gaylord, MI
Area
Counties, with a storm outline in the text

County Gladwin County, MI

The radar

The NCL Michigan radar (KAPX), 112 km from the middle of the area, began a volume at 19:54 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, 7.8 hours before the alert went out and 153 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 2007-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 677 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 2007-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 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
677 J/kg
Mixed-layer CIN
-151 J/kg
Mixed-layer LCL
1377 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
95 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KAPX 091951
TORAPX
MIC051-092030-
/O.NEW.KAPX.TO.W.0002.070709T1950Z-070709T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
350 PM EDT MON JUL 9 2007

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

* TORNADO WARNING FOR...
  GLADWIN COUNTY IN NORTHERN LOWER MICHIGAN...

* UNTIL 430 PM EDT

* AT 345 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS
  LOCATED NEAR WINEGARS...OR ABOUT 10 MILES SOUTHEAST OF GLADWIN...
  MOVING EAST AT 40 MPH.

* THIS STORM WILL BE NEAR...
  RHODES AROUND 355 PM EDT...

AT 340 PM...LAW ENFORCEMENT REPORTED A BRIEF TORNADO TOUCHDOWN NEAR 
ROSS LAKE.

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 4401 8441 4383 8437 4385 8417 4402 8417

$$
2 follow-up statements
000 
WWUS34 KAPX 091959
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
359 PM EDT MON JUL 9 2007

MIC051-092030-
/O.CON.KAPX.TO.W.0002.000000T0000Z-070709T2030Z/
GLADWIN MI-
359 PM EDT MON JUL 9 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM EDT FOR GLADWIN
COUNTY...

AT 358 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS
STORM WAS LOCATED NEAR RHODES...OR ABOUT 11 MILES SOUTHWEST OF
STERLING...MOVING EAST AT 40 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 4401 8441 4383 8437 4385 8417 4402 8417

$$
000 
WWUS34 KAPX 092009
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
407 PM EDT MON JUL 9 2007

MIC051-092017-
/O.CAN.KAPX.TO.W.0002.000000T0000Z-070709T2030Z/
GLADWIN MI-
407 PM EDT MON JUL 9 2007

...THE TORNADO WARNING FOR GLADWIN COUNTY IS CANCELLED...

AT 407 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE STORM WHICH PROMPTED THE TORNADO WARNING HAS EXITED THE AREA. THE
WARNING HAS THEREFORE BEEN CANCELLED.

AT 340 PM...LAW ENFORCEMENT REPORTED A BRIEF TORNADO TOUCHDOWN NEAR 
ROSS LAKE IN SOUTHERN GLADWIN COUNTY. THIS TORNADO HAS NOT YET BEEN 
CONFIRMED.

STAY TUNED TO NATIONAL WEATHER SERVICE WEATHER RADIO OR YOUR LOCAL 
MEDIA FOR THE LATEST WEATHER INFORMATION.

LAT...LON 4401 8441 4383 8437 4385 8417 4402 8417

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 8:06 PM EDTSevere Thunderstorm WarningAPXCharlevoix54 min
Jul 8, 9:15 PM EDTSpecial Marine WarningAPX60 min
Jul 8, 9:22 PM EDTSevere Thunderstorm WarningAPXCharlevoix, Emmet53 min
Jul 8, 9:46 PM EDTSpecial Marine WarningAPX89 min
Jul 8, 11:18 PM EDTSpecial Marine WarningAPX42 min
Jul 9, 3:27 PM EDTSevere Thunderstorm WarningAPXGladwin53 min
Jul 9, 3:56 PM EDTSevere Thunderstorm WarningAPXArenac64 min
Jul 9, 4:10 PM EDTTornado WarningAPXArenac35 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.