Alert archive / Michigan / Red Flag Warnings in 2012

Red Flag Warning 5, NWS Gaylord, MI

May 25, 201211 counties in Michigan

NWS Gaylord, MI issued this red flag warning at May 25, 2012, 4:20 PM EDT for 11 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
May 25, 2012, 4:20 PM EDT (20:20 UTC)
Expired
May 25, 2012, 10:00 PM EDT
In force
6 hr
Issued by
NWS Gaylord, MI

Counties Alcona County, MI, Alpena County, MI, Cheboygan County, MI, Crawford County, MI, Iosco County, MI, Montmorency County, MI, Ogemaw County, MI, Oscoda County, MI, Otsego County, MI, Presque Isle County, MI, Roscommon County, MI

The radar

The NCL Michigan radar (KAPX), 51 km from the middle of the area, began a volume at 20:19 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 12:00Z, 8.3 hours before the alert went out and 135 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 2012-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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 2012-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 square meters per square second.1939587897Sfc1 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
2 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
602 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
82 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.

117 
WWUS83 KAPX 252020
RFWAPX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GAYLORD MI
420 PM EDT FRI MAY 25 2012

...HIGH FIRE DANGER THIS EVENING...

.WARM TEMPERATURES...LOW RELATIVE HUMIDITY...AND GUSTY WEST WINDS
WILL RESULT IN ELEVATED FIRE DANGER FOR THE REST OF THIS AFTERNOON
AND INTO EARLY EVENING. CONDITIONS WILL IMPROVE AFTER SUNSET AS
TEMPERATURES COOL AND WINDS SUBSIDE.

MIZ017-018-022>024-028>030-034>036-260200-
/O.NEW.KAPX.FW.W.0005.120525T2020Z-120526T0200Z/
CHEBOYGAN-PRESQUE ISLE-OTSEGO-MONTMORENCY-ALPENA-CRAWFORD-OSCODA-
ALCONA-ROSCOMMON-OGEMAW-IOSCO-
420 PM EDT FRI MAY 25 2012

...RED FLAG WARNING IN EFFECT UNTIL 10 PM EDT THIS EVENING FOR
NORTHEAST LOWER MICHIGAN...

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A RED FLAG
WARNING FOR WARM TEMPERATURES...LOW HUMIDITY...AND GUSTY WINDS...
WHICH IS IN EFFECT UNTIL 10 PM EDT THIS EVENING.

* AFFECTED AREA...FIRE WEATHER ZONE 017 CHEBOYGAN...FIRE WEATHER 
  ZONE 018 PRESQUE ISLE...FIRE WEATHER ZONE 022 OTSEGO...FIRE 
  WEATHER ZONE 023 MONTMORENCY...FIRE WEATHER ZONE 024 ALPENA... 
  FIRE WEATHER ZONE 028 CRAWFORD...FIRE WEATHER ZONE 029 
  OSCODA... FIRE WEATHER ZONE 030 ALCONA...FIRE WEATHER ZONE 034 
  ROSCOMMON... FIRE WEATHER ZONE 035 OGEMAW AND FIRE WEATHER 
  ZONE 036 IOSCO.

* WINDS...WEST WINDS 12 TO 17 MPH WITH GUSTS 25 TO 30 MPH THROUGH
  8 PM...THEN DIMINISHING.

* RELATIVE HUMIDITY...AS LOW AS 20 TO 25 PERCENT.

* TEMPERATURES...MID 70S TO AROUND 80 DEGREES.

* LIGHTNING...NONE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING IS ISSUED WHEN CRITICAL FIRE WEATHER CONDITIONS
ARE OCCURRING NOW. A COMBINATION OF STRONG WINDS...VERY LOW
RELATIVE HUMIDITY...WARM TEMPERATURES...AND DRY FUELS WILL CREATE
DANGEROUS FIRE CONDITIONS. PERSONS ARE URGED TO BE CAREFUL WITH
ANY ACTIVITIES THAT COULD POTENTIALLY LEAD TO A FIRES.
CAMPFIRES...OUTDOOR GRILLS...SMOKING MATERIALS...CHAIN SAWS...AND
ALL-TERRAIN VEHICLES ALL HAVE THE POTENTIAL TO THROW A SPARK AND
IGNITE A DANGEROUS AND POTENTIALLY DESTRUCTIVE FIRE.

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

&&

$$

JPB
1 follow-up statement
836 
WWUS83 KAPX 260202
RFWAPX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GAYLORD MI
1002 PM EDT FRI MAY 25 2012


MIZ017-018-022>024-028>030-034>036-260315-
/O.EXP.KAPX.FW.W.0005.000000T0000Z-120526T0200Z/
CHEBOYGAN-PRESQUE ISLE-OTSEGO-MONTMORENCY-ALPENA-CRAWFORD-OSCODA-
ALCONA-ROSCOMMON-OGEMAW-IOSCO-
1002 PM EDT FRI MAY 25 2012

...RED FLAG WARNING HAS EXPIRED...

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ALLOWED THE RED FLAG
WARNING TO EXPIRE LATE THIS EVENING.

TEMPERATURES HAVE DROPPED INTO THE UPPER 50S AND LOWER 60S...WHILE
WINDS HAVE BECOME LIGHT TO CALM. THEREFORE...THE RED FLAG WARNING
HAS BEEN ALLOWED TO EXPIRE.

$$

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.