Alert archive / Michigan / Tornado Warnings in 2010

Tornado Warning 2, NWS Gaylord, MI

July 18, 2010Wexford County, Michigan

NWS Gaylord, MI issued this tornado warning at Jul 18, 2010, 6:03 PM EDT for Wexford County, Michigan. It was in force for 42 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
Jul 18, 2010, 6:03 PM EDT (22:03 UTC)
Expired
Jul 18, 2010, 6:45 PM EDT
In force
42 min
Issued by
NWS Gaylord, MI
Area
Storm-based polygon

County Wexford County, MI

The radar

The NCL Michigan radar (KAPX), 98 km from the middle of the area, began a volume at 22:04 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.

What was reported inside it

TimeReportWhereRemark
Jul 18, 6:50 PM EDTTSTM WND DMG3 Ssw Cadillac, MISTEEL ROOF RIPPED OFF OF LUMBER COMPANY BUILDING. POSSIBLE TORNADO. TIME ESTIMATED.
Jul 18, 6:50 PM EDTHAIL 0.752 Se Cadillac, MIRELAY FROM 9 & 10 NEWS

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

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.1 hours before the alert went out and 206 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, Green Bay/Straub, WI at 12:00Z on 2010-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 281 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, Green Bay/Straub, WI at 12:00Z on 2010-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 164 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
281 J/kg
Mixed-layer CIN
-172 J/kg
Mixed-layer LCL
1160 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
164 m²/s²
0-3 km storm-relative helicity
485 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

The text

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

445 
WFUS53 KAPX 182203
TORAPX
MIC165-182245-
/O.NEW.KAPX.TO.W.0002.100718T2203Z-100718T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
603 PM EDT SUN JUL 18 2010

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

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

* UNTIL 645 PM EDT

* AT 556 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR YUMA...OR 17 MILES SOUTHEAST OF
  THOMPSONVILLE...AND MOVING EAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CADILLAC...BOON...MEAUWATAKA AND MITCHELL STATE PARK.

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 4419 8569 4438 8569 4437 8533 4417 8533
      4416 8544
TIME...MOT...LOC 2203Z 279DEG 18KT 4430 8574

$$
3 follow-up statements
698 
WWUS34 KAPX 182222
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
622 PM EDT SUN JUL 18 2010

MIC165-182245-
/O.CON.KAPX.TO.W.0002.000000T0000Z-100718T2245Z/
WEXFORD MI-
622 PM EDT SUN JUL 18 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN WEXFORD
COUNTY UNTIL 645 PM EDT...

AT 613 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR BOON...OR 12 MILES WEST OF CADILLAC...MOVING
EAST AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
  CADILLAC...MEAUWATAKA AND MITCHELL STATE PARK.

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 4419 8569 4438 8569 4437 8533 4417 8533
      4416 8544
TIME...MOT...LOC 2222Z 285DEG 22KT 4425 8558
WIND...HAIL <50MPH <.50IN

$$

MSB/JH
378 
WWUS34 KAPX 182233
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
633 PM EDT SUN JUL 18 2010

MIC165-182245-
/O.CON.KAPX.TO.W.0002.000000T0000Z-100718T2245Z/
WEXFORD MI-
633 PM EDT SUN JUL 18 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN WEXFORD
COUNTY UNTIL 645 PM EDT...

AT 626 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR BOON...OR 7 MILES WEST OF CADILLAC...MOVING
EAST AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
  CADILLAC AND MITCHELL STATE PARK.

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 4418 8556 4431 8556 4431 8533 4417 8533
      4416 8544
TIME...MOT...LOC 2233Z 286DEG 22KT 4423 8550
WIND...HAIL <50MPH <.50IN

$$

MSN/JH
355 
WWUS34 KAPX 182247
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
647 PM EDT SUN JUL 18 2010

MIC165-182256-
/O.EXP.KAPX.TO.W.0002.000000T0000Z-100718T2245Z/
WEXFORD MI-
647 PM EDT SUN JUL 18 2010

...THE TORNADO WARNING FOR SOUTHEASTERN WEXFORD COUNTY HAS EXPIRED...

THE ROTATION IN THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED. 
HOWEVER...THIS STORM IS STILL POTENT. METEOROLOGISTS AT THE NATIONAL 
WEATHER SERVICE CONTINUES TO MONITOR THIS STORM. THIS STORM MAY 
STILL REQUIRE A SEVERE THUNDERSTORM WARNING.

LAT...LON 4418 8556 4431 8556 4431 8533 4417 8533
      4416 8544
TIME...MOT...LOC 2233Z 286DEG 22KT 4423 8550
WIND...HAIL <50MPH <.50IN

$$

MSB/JH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 5:37 PM EDTTornado WarningAPXManistee, Wexford42 min
Jul 18, 7:21 PM EDTTornado WarningAPXRoscommon39 min
Jul 18, 7:24 PM EDTTornado WarningAPXCrawford, Ogemaw, Oscoda, Roscommon51 min

Nearby

Tornado Warnings in Michigan, 2010Every tornado warning in 2010Tornadoes in 2010

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.