Alert archive / Michigan / Red Flag Warnings in 2018

Red Flag Warning 4, NWS Gaylord, MI

July 6, 201822 counties in Michigan

NWS Gaylord, MI issued this red flag warning at Jul 6, 2018, 3:49 AM EDT for 22 counties in Michigan. It took effect at Jul 6, 2018, 8:00 AM EDT. It was in force for 12 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 6, 2018, 3:49 AM EDT (07:49 UTC)
In effect from
Jul 6, 2018, 8:00 AM EDT
Expired
Jul 6, 2018, 8:00 PM EDT
In force
12 hr
Issued by
NWS Gaylord, MI
All 22 counties

Alcona County, MI, Alpena County, MI, Antrim County, MI, Arenac County, MI, Benzie County, MI, Cheboygan County, MI, Crawford County, MI, Emmet County, MI, Gladwin County, MI, Grand Traverse County, MI, Iosco County, MI, Kalkaska County, MI, Leelanau County, MI, Manistee County, MI, Missaukee County, MI, Montmorency County, MI, Ogemaw County, MI, Oscoda County, MI, Otsego County, MI, Presque Isle County, MI, Roscommon County, MI, Wexford County, MI

The radar

The NCL Michigan radar (KAPX), 21 km from the middle of the area, began a volume at 07:54 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

Alpena, MI (KAPX), launched 00:00Z, 7.8 hours before the alert went out and 184 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 00:00Z on 2018-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2018-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
1652 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
50 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

674 
WWUS83 KAPX 060749
RFWAPX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Gaylord MI
349 AM EDT Fri Jul 6 2018

MIZ016>036-041-042-061600-
/O.NEW.KAPX.FW.W.0004.180706T1200Z-180707T0000Z/
Emmet-Cheboygan-Presque Isle-Charlevoix-Leelanau-Antrim-Otsego-
Montmorency-Alpena-Benzie-Grand Traverse-Kalkaska-Crawford-Oscoda-
Alcona-Manistee-Wexford-Missaukee-Roscommon-Ogemaw-Iosco-Gladwin-
Arenac-
349 AM EDT Fri Jul 6 2018

...RED FLAG WARNING IN EFFECT FROM 8 AM THIS MORNING TO 8 PM EDT
THIS EVENING FOR WARM TEMPERATURES AND LOW HUMIDITY ACROSS ALL OF
NORTHERN LOWER MICHIGAN...

The National Weather Service in Gaylord has issued a RED FLAG
WARNING, which is in effect from 8 AM this morning to 8 PM EDT
this evening. 

* AFFECTED AREA...All of northern lower Michigan.

* TEMPERATURES...Highs in the middle to upper 70s.

* HUMIDITY...20 to 30 percent most areas. Lowest humidity inland,
  away from coastlines.

* WINDS...North around 10 mph. Gusts to 20 mph possible early this
  morning. Winds weakening through the day.

* IMPACTS...Any fires that develop will be able to spread 
  rapidly. Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

SMD

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 10:10 PM EDTBeach Hazards StatementAPXAlcona, Alpena, Arenac, Cheboygan, Iosco, Presque Isle14 hr

Nearby

Red Flag Warnings in Michigan, 2018Every red flag warning in 2018

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.