Alert archive / Michigan / Red Flag Warnings in 2012

Red Flag Warning 2, NWS Grand Rapids, MI

June 27, 201217 counties in Michigan

NWS Grand Rapids, MI issued this red flag warning at Jun 27, 2012, 9:49 AM EDT for 17 counties in Michigan. It took effect at Jun 27, 2012, 1:00 PM EDT. It was in force for 8 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 27, 2012, 9:49 AM EDT (13:49 UTC)
In effect from
Jun 27, 2012, 1:00 PM EDT
Expired
Jun 27, 2012, 8:39 PM EDT
In force
8 hr
Issued by
NWS Grand Rapids, MI

Counties Allegan County, MI, Clare County, MI, Clinton County, MI, Gratiot County, MI, Ionia County, MI, Isabella County, MI, Kent County, MI, Lake County, MI, Mason County, MI, Mecosta County, MI, Montcalm County, MI, Muskegon County, MI, Newaygo County, MI, Oceana County, MI, Osceola County, MI, Ottawa County, MI, Van Buren County, MI

The radar

The Grand Rapids radar (KGRR), 51 km from the middle of the area, began a volume at 13:50 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

Detroit, MI (KDTX), launched 12:00Z, 1.8 hours before the alert went out and 186 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, Detroit, MI at 12:00Z on 2012-06-27Temperature 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, Detroit, MI at 12:00Z on 2012-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 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
2007 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
174 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.

465 
WWUS83 KGRR 271349
RFWGRR

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
949 AM EDT WED JUN 27 2012

MIZ037>040-043>046-050>052-056>059-064-071-272200-
/O.NEW.KGRR.FW.W.0002.120627T1700Z-120628T0200Z/
MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON-
MONTCALM-GRATIOT-OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-VAN BUREN-
949 AM EDT WED JUN 27 2012

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 PM
EDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A RED
FLAG WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO
10 PM EDT THIS EVENING.

* WINDS...SOUTHWEST INCREASING TO 10 TO 15 MPH WITH FREQUENT GUSTS
  UP TO 25 MPH.

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

* TEMPERATURES...WARMING INTO THE MID 80S TO AROUND 90.

* IMPACTS...BURN RESTRICTIONS ARE LIKELY IN EFFECT. FOR MORE 
  INFORMATION ON BURN RESTRICTIONS...VISIT THE MICHIGAN DNR 
  WEBSITE AT WWW.MICHIGAN.GOV/BURNPERMIT OR CALL 866-922-2876. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING IS ISSUED WHEN 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.

BE CAREFUL WITH ANY ACTIVITIES THAT COULD POTENTIALLY LEAD TO A
WILDFIRE. CAMPING...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. 

&&

$$

NJJ

HTTP://WEATHER.GOV/GRR
2 follow-up statements
111 
WWUS83 KGRR 271930
RFWGRR

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
330 PM EDT WED JUN 27 2012

MIZ037>040-043>046-050>052-056>059-064-071-280200-
/O.CON.KGRR.FW.W.0002.000000T0000Z-120628T0200Z/
MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON-
MONTCALM-GRATIOT-OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-VAN BUREN-
330 PM EDT WED JUN 27 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WINDS...SOUTHWEST 10 TO 15 MPH WITH FREQUENT GUSTS UP TO 25 MPH.

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

* TEMPERATURES...85 TO 90 DEGREES.

* IMPACTS...BURN RESTRICTIONS ARE LIKELY IN EFFECT. FOR MORE 
  INFORMATION ON BURN RESTRICTIONS...VISIT THE MICHIGAN DNR 
  WEBSITE AT WWW.MICHIGAN.GOV/BURNPERMIT OR CALL 866-922-2876. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING IS ISSUED WHEN 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.

BE CAREFUL WITH ANY ACTIVITIES THAT COULD POTENTIALLY LEAD TO A
WILDFIRE. CAMPING...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.

&&

$$

HTTP://WEATHER.GOV/GRR
245 
WWUS83 KGRR 280039
RFWGRR

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
839 PM EDT WED JUN 27 2012

MIZ037>040-043>046-050>052-056>059-064-071-280145-
/O.CAN.KGRR.FW.W.0002.000000T0000Z-120628T0200Z/
MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON-
MONTCALM-GRATIOT-OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-VAN BUREN-
839 PM EDT WED JUN 27 2012

...RED FLAG WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS CANCELLED THE
RED FLAG WARNING.

WINDS CONTINUE TO DIMINISH THIS EVENING AS RELATIVE HUMIDITY
VALUES RISE.

$$

HTTP://WEATHER.GOV/GRR

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 3:20 PM EDTHeat AdvisoryGRRAllegan, Barry, Calhoun, Clare, Clinton, Eaton and 17 more30 hr
Jun 27, 3:33 PM EDTSmall Craft AdvisoryGRR7 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.