Alert archive / Michigan / Red Flag Warnings in 2007

Red Flag Warning 3, NWS Gaylord, MI

May 7, 200722 counties in Michigan

NWS Gaylord, MI issued this red flag warning at May 7, 2007, 8:46 AM EDT for 22 counties in Michigan. It took effect at May 7, 2007, 11:00 AM EDT. It was in force for 10 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 7, 2007, 8:46 AM EDT (12:46 UTC)
In effect from
May 7, 2007, 11:00 AM EDT
Expired
May 7, 2007, 9:00 PM EDT
In force
10 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 12:51 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, 0.8 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 12:00Z on 2007-05-07Temperature 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 2007-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 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
3043 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
54 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.

000 
WWUS83 KAPX 071246
RFWAPX

RED FLAG WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
846 AM EDT MON MAY 7 2007

...RED FLAG WARNING IN EFFECT FROM LATE THIS MORNING THROUGH
EARLY THIS EVENING FOR LOW HUMIDITIES...GUSTY WINDS...AND
TEMPERATURES APPROACHING THE LOW TO MID 70S.

.AN EXTENDED PERIOD OF DRY WEATHER...COMBINED WITH 
WARM TEMPERATURES...GUSTY WINDS AND LOW HUMIDITIES WILL RESULT IN 
DANGEROUSLY ELEVATED WILD FIRE DANGER TODAY. MOISTURE WILL BE ON THE
INCREASE FROM THE WEST THROUGH LATE AFTERNOON AND EVENING...AHEAD OF 
A SLOW MOVING COOL FRONT. THIS MOISTURE WILL ARRIVE BY MID EVENING 
AND HELP TO SUPPRESS THE WILD FIRE THREAT..

MIZ016>036-041-042-080100-
/O.UPG.KAPX.FW.A.0003.000000T0000Z-070508T0000Z/
/O.NEW.KAPX.FW.W.0003.070507T1500Z-070508T0100Z/
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-
INCLUDING THE CITIES OF...PETOSKEY...CHEBOYGAN...ROGERS CITY...
CHARLEVOIX...NORTHPORT...MANCELONA...GAYLORD...ATLANTA...ALPENA...
FRANKFORT...TRAVERSE CITY...KALKASKA...GRAYLING...MIO...
HARRISVILLE...MANISTEE...CADILLAC...LAKE CITY...HOUGHTON LAKE...
WEST BRANCH...TAWAS CITY...GLADWIN...STANDISH
846 AM EDT MON MAY 7 2007

...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. THE
FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

MINIMUM RELATIVE HUMIDITIES OF 15 TO 25 PERCENT COUPLED WITH
PERSISTENTLY DRY CONDITIONS OVER THE PAST SEVERAL DAYS HAVE
RESULTED IN VERY LOW FUEL MOISTURE. HIGH TEMPERATURES WILL
APPROACH THE MID 70S THIS AFTERNOON. THESE CONDITIONS....COMBINED
WITH SOUTH WINDS GUSTING TO 20 TO 25 MPH...WILL GREATLY HEIGHTEN
WILD FIRE POTENTIAL THROUGH EARLY THIS EVENING.

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.

$$
2 follow-up statements
000 
WWUS83 KAPX 072002
RFWAPX

RED FLAG WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
402 PM EDT MON MAY 7 2007

...RED FLAG WARNING CONTINUES THROUGH EARLY THIS EVENING FOR LOW
HUMIDITIES...GUSTY WINDS...AND TEMPERATURES APPROACHING THE LOW TO
MID 70S.

.AN EXTENDED PERIOD OF DRY WEATHER...COMBINED WITH WARM
TEMPERATURES...GUSTY WINDS AND LOW HUMIDITIES HAVE RESULTED IN
DANGEROUSLY ELEVATED WILD FIRE CONDITIONS TODAY. EXPECT THESE
CONDITIONS TO CONTINUE THROUGH EARLY THIS EVENING BEFORE MOISTURE...AHEAD
OF A SLOW MOVING COOL FRONT...SUPPRESSES THE WILD FIRE THREAT..

MIZ016>036-041-042-080100-
/O.CON.KAPX.FW.W.0003.000000T0000Z-070508T0100Z/
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-
INCLUDING THE CITIES OF...PETOSKEY...CHEBOYGAN...ROGERS CITY...
CHARLEVOIX...NORTHPORT...MANCELONA...GAYLORD...ATLANTA...ALPENA...
FRANKFORT...TRAVERSE CITY...KALKASKA...GRAYLING...MIO...
HARRISVILLE...MANISTEE...CADILLAC...LAKE CITY...HOUGHTON LAKE...
WEST BRANCH...TAWAS CITY...GLADWIN...STANDISH
402 PM EDT MON MAY 7 2007

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

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

MINIMUM RELATIVE HUMIDITIES OF 15 TO 25 PERCENT...COUPLED WITH
TEMPERATURES IN THE 70S AND PERSISTENTLY DRY CONDITIONS OVER THE
PAST SEVERAL DAYS...HAVE RESULTED IN VERY LOW FUEL MOISTURE AND A
DANGEROUSLY ELEVATED WILD FIRE THREAT. THESE CONDITIONS WILL
PERSIST INTO EARLY THIS EVENING BEFORE TEMPERATURES BEGIN TO DROP
AND SOME MOISTURE ARRIVES AHEAD OF A COOL FRONT.

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.

$$
000 
WWUS83 KAPX 080104
RFWAPX

RED FLAG WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
904 PM EDT MON MAY 7 2007

...RED FLAG WARNING ALLOWED TO EXPIRE...

.WINDS HAVE DIMINISHED THIS EVENING AND SURFACE DEW POINTS HAVE
INCREASED SLIGHTLY LEADING TO SOMEWHAT HIGHER RELATIVE HUMIDITIES.
THEREFORE...THE RED FLAG WARNING HAS BEEN ALLOWED TO EXPIRE.

MIZ016>036-041-042-080215-
/O.EXP.KAPX.FW.W.0003.000000T0000Z-070508T0100Z/
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-
INCLUDING THE CITIES OF...PETOSKEY...CHEBOYGAN...ROGERS CITY...
CHARLEVOIX...NORTHPORT...MANCELONA...GAYLORD...ATLANTA...ALPENA...
FRANKFORT...TRAVERSE CITY...KALKASKA...GRAYLING...MIO...
HARRISVILLE...MANISTEE...CADILLAC...LAKE CITY...HOUGHTON LAKE...
WEST BRANCH...TAWAS CITY...GLADWIN...STANDISH
904 PM EDT MON MAY 7 2007

...RED FLAG WARNING HAS EXPIRED...

THE RED FLAG WARNING IS NO LONGER IN EFFECT. 

WINDS HAVE DIMINISHED THIS EVENING AND SURFACE DEW POINTS HAVE
INCREASED SLIGHTLY LEADING TO SOMEWHAT HIGHER RELATIVE HUMIDITIES.
THEREFORE...THE RED FLAG WARNING HAS BEEN ALLOWED TO EXPIRE.

$$

AS

Nearby

Red Flag Warnings in Michigan, 2007Every red flag warning in 2007

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.