Alert archive / Michigan / Red Flag Warnings in 2011

Red Flag Warning 1, NWS Gaylord, MI

June 1, 20115 counties in Michigan

NWS Gaylord, MI issued this red flag warning at Jun 1, 2011, 2:49 PM EDT for 5 counties in Michigan. It took effect at Jun 1, 2011, 4:00 PM EDT. It was in force for 5 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
Jun 1, 2011, 2:49 PM EDT (18:49 UTC)
In effect from
Jun 1, 2011, 4:00 PM EDT
Expired
Jun 1, 2011, 9:00 PM EDT
In force
5 hr
Issued by
NWS Gaylord, MI

Counties Alcona County, MI, Arenac County, MI, Gladwin County, MI, Iosco County, MI, Ogemaw County, MI

The radar

The NCL Michigan radar (KAPX), 100 km from the middle of the area, began a volume at 18:54 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 12:00Z, 6.8 hours before the alert went out and 143 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 2011-06-01Temperature 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 12:00Z on 2011-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 square meters per square second.1939587897117Sfc1 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
1165 m above ground
0-6 km bulk shear
85 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
94 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.

308 
WWUS83 KAPX 011849
RFWAPX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GAYLORD MI
249 PM EDT WED JUN 1 2011

...CRITICAL FIRE WEATHER AROUND THE HURON NATIONAL FOREST...

.STRONG LOW PRESSURE TO THE NORTH ALONG WITH HIGH PRESSURE WORKING
TOWARD THE WESTERN GREAT LAKES...WILL CONTINUE TO RESULT IN A TIGHT
PRESSURE GRADIENT AND RESULTING STRONG AND GUSTY WINDS. WARM
TEMPERATURES AROUND THE HURON NATIONAL FOREST IS RESULTING IN
CRITICAL HUMIDITIES THIS AFTERNOON. THERE WERE MORE ISOLATED
LOCALES IN THE MANISTEE NATIONAL FOREST THAT WERE APPROACHING
CRITICAL FIRE WEATHER. 

MIZ030-035-036-041-042-020100-
/O.NEW.KAPX.FW.W.0001.110601T2000Z-110602T0100Z/
ALCONA-OGEMAW-IOSCO-GLADWIN-ARENAC-
249 PM EDT WED JUN 1 2011

...RED FLAG WARNING IN EFFECT UNTIL 9 PM EDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT UNTIL 9 PM EDT THIS EVENING. 

TEMPERATURES IN THE MIDDLE 70S...HUMIDITIES JUST BELOW 25 PERCENT
AND WINDS AT 20 TO 30 MPH GUSTING 35 TO 40 MPH HAS RESULTED IN
RED FLAG CONDITIONS THIS AFTERNOON. TEMPERATURES AND HUMIDITIES
WILL FALL OUT OF CRITICAL LEVELS JUST PRIOR TO SUNDOWN.

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 WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$


SMD
1 follow-up statement
052 
WWUS83 KAPX 020120
RFWAPX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GAYLORD MI
920 PM EDT WED JUN 1 2011

MIZ030-035-036-041-042-020230-
/O.EXP.KAPX.FW.W.0001.000000T0000Z-110602T0100Z/
ALCONA-OGEMAW-IOSCO-GLADWIN-ARENAC-
920 PM EDT WED JUN 1 2011

...RED FLAG WARNING HAS EXPIRED...

THE RED FLAG WARNING IS NO LONGER IN EFFECT. 

TEMPERATURES HAVE FALLEN INTO THE UPPER 60S...THE RELATIVE
HUMIDITY HAS RISEN ABOVE 25 PERCENT...AND WINDS HAVE DROPPED BELOW
15 MPH. SO THE RED FLAG WARNING HAS BEEN ALLOWED TO EXPRIRE. 

$$

JSL

The office that day

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

IssuedProductOfficeCountiesLasted
May 31, 9:27 PM EDTSpecial Marine WarningAPX33 min

Nearby

Red Flag Warnings in Michigan, 2011Every red flag warning in 2011

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.