Alert archive / Michigan / Red Flag Warnings in 2012

Red Flag Warning 4, NWS Marquette, MI

April 23, 20124 counties in Michigan

NWS Marquette, MI issued this red flag warning at Apr 23, 2012, 1:35 PM EDT for 4 counties in Michigan. It was in force for 6 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
Apr 23, 2012, 1:35 PM EDT (17:35 UTC)
Expired
Apr 23, 2012, 8:00 PM EDT
In force
6 hr
Issued by
NWS Marquette, MI

Counties Alger County, MI, Delta County, MI, Luce County, MI, Schoolcraft County, MI

The radar

The Marquette radar (KMQT), 106 km from the middle of the area, began a volume at 17:32 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

Green Bay/Straub, WI (KGRB), launched 12:00Z, 5.6 hours before the alert went out and 235 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 2012-04-23Temperature 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, Green Bay/Straub, WI at 12:00Z on 2012-04-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2634 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
64 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.

278 
WWUS83 KMQT 231735
RFWMQT

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MARQUETTE MI
135 PM EDT MON APR 23 2012

...VERY DRY AND BREEZY THIS AFTERNOON INTO EARLY EVENING...

MIZ006>008-013>015-085-240000-
/O.NEW.KMQT.FW.W.0004.120423T1735Z-120424T0000Z/
ALGER-LUCE-CHIPPEWA-DELTA-SOUTHERN SCHOOLCRAFT-MACKINAC-
NORTHERN SCHOOLCRAFT-
135 PM EDT MON APR 23 2012

...RED FLAG WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR
WIND AND LOW RELATIVE HUMIDITY FOR EASTERN UPPER MICHIGAN.

THE NATIONAL WEATHER SERVICE IN MARQUETTE HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT UNTIL
8 PM EDT THIS EVENING.

* AFFECTED AREA...FIRE WEATHER ZONE 006 ALGER...FIRE WEATHER 
  ZONE 007 LUCE...FIRE WEATHER ZONE 008 CHIPPEWA...FIRE WEATHER 
  ZONE 013 DELTA...FIRE WEATHER ZONE 014 SOUTHERN SCHOOLCRAFT...
  FIRE WEATHER ZONE 015 MACKINAC AND FIRE WEATHER ZONE 085 
  NORTHERN SCHOOLCRAFT.

* WINDS...NORTH 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* RELATIVE HUMIDITY...AS LOW AS 15 PERCENT.

* TEMPERATURES...IN THE UPPER 40S TO MID 50S.

* IMPACTS...BURN RESTRICTIONS ARE IN EFFECT. FOR MORE INFORMATION ON
  BURN RESTRICTIONS...VISIT THE MICHIGAN DNR WEBSITE AT
  HTTP://WWW.MICHIGAN.GOV/BURNPERMIT...ALL LOWER CASE...OR BY CALLING
  866-922-2876.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* A RED FLAG WARNING IS ISSUED WHEN CRITICAL FIRE WEATHER 
  CONDITIONS ARE EITHER OCCURRING NOW...OR ARE IMMINENT. A 
  COMBINATION OF STRONG WINDS...VERY LOW RELATIVE HUMIDITY...
  WARM TEMPERATURES AND EXCEPTIONALLY DRY FUELS WILL CREATE 
  DANGEROUS WILDLAND FIRE CONDITIONS. CAMPFIRES...OUTDOOR 
  GRILLS...SMOKING MATERIALS...CHAIN SAWS...AND ALL-TERRAIN 
  VEHICLES ALL HAVE THE POTENTIAL TO THROW A SPARK AND IGNITE A 
  DANGEROUS AND DESTRUCTIVE FIRE.

* PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THE 
  FIELD OF THIS RED FLAG WARNING.

&&

$$

JLB

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 23, 10:03 AM EDTSmall Craft AdvisoryMQT38 hr

Nearby

Red Flag Warnings in Michigan, 2012Every red flag warning in 2012

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.