Alert archive / Michigan / Red Flag Warnings in 2007

Red Flag Warning 5, NWS Gaylord, MI

May 24, 200711 counties in Michigan

NWS Gaylord, MI issued this red flag warning at May 24, 2007, 6:26 AM EDT for 11 counties in Michigan. It took effect at May 24, 2007, 2:00 PM EDT. 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 24, 2007, 6:26 AM EDT (10:26 UTC)
In effect from
May 24, 2007, 2:00 PM EDT
Expired
May 24, 2007, 8:00 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 10:21 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 00:00Z, 10.4 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 00:00Z on 2007-05-24Temperature 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 00:00Z on 2007-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 square meters per square second.1939Sfc1 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
2537 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
142 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 241026
RFWAPX

RED FLAG WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
626 AM EDT THU MAY 24 2007

...RED FLAG WARNING IN EFFECT THIS AFTERNOON AND EARLY EVENING FOR
GUSTY WINDS...WARM TEMPERATURES AND LOW HUMIDITY...

.AFTERNOON RELATIVE HUMIDITY VALUES WILL ONCE AGAIN DROP TO AROUND
25 PERCENT ACROSS INTERIOR SECTIONS OF NORTHERN LOWER MICHIGAN...
WITH THE LOWEST READINGS EXPECTED ACROSS NORTHEAST LOWER MICHIGAN
INCLUDING THE HURON NATIONAL FOREST. MEANWHILE...AHEAD OF A COLD
FRONT IN THE UPPER MIDWEST...SOUTH TO SOUTHWEST WINDS WILL
INCREASE TO AROUND 15 MPH THIS AFTERNOON WITH GUSTS UP TO 25 MPH.
COMBINED WITH TEMPERATURES TOPPING OUT IN THE MID TO UPPER 80S...RED
FLAG CONDITIONS ARE ANTICIPATED ACROSS NORTHEAST LOWER MICHIGAN
THIS AFTERNOON AND EARLY EVENING.

MIZ017-018-022>024-028>030-034>036-250000-
/O.NEW.KAPX.FW.W.0005.070524T1800Z-070525T0000Z/
CHEBOYGAN-PRESQUE ISLE-OTSEGO-MONTMORENCY-ALPENA-CRAWFORD-OSCODA-
ALCONA-ROSCOMMON-OGEMAW-IOSCO-
INCLUDING THE CITIES OF...CHEBOYGAN...ROGERS CITY...GAYLORD...
ATLANTA...ALPENA...GRAYLING...MIO...HARRISVILLE...HOUGHTON LAKE...
WEST BRANCH...TAWAS CITY
626 AM EDT THU MAY 24 2007

...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM
EDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM EDT
THIS EVENING. 

TEMPERATURES WILL QUICKLY WARM INTO THE 80S BY AFTERNOON. COMBINED
WITH SOUTH TO SOUTHWEST WINDS INCREASING TO AROUND 15 MPH WITH GUSTS
UP TO 25 MPH AND HUMIDITY VALUES DECREASING TO AROUND 25 PERCENT...
WILL PRODUCE DANGEROUS FIRE WEATHER CONDITIONS THIS AFTERNOON
THROUGH EARLY 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.

$$

ADAM
2 follow-up statements
000 
WWUS83 KAPX 241529
RFWAPX

RED FLAG WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
1129 AM EDT THU MAY 24 2007

...RED FLAG WARNING IN EFFECT THIS AFTERNOON AND EARLY EVENING
FOR GUSTY WINDS...WARM TEMPERATURES AND LOW HUMIDITY...

.AFTERNOON RELATIVE HUMIDITY VALUES WILL ONCE AGAIN DROP TO
AROUND 25 PERCENT ACROSS INTERIOR SECTIONS OF NORTHERN LOWER
MICHIGAN... WITH THE LOWEST READINGS EXPECTED ACROSS NORTHEAST
LOWER MICHIGAN INCLUDING THE HURON NATIONAL FOREST. MEANWHILE...
AHEAD OF A COLD FRONT IN THE UPPER MIDWEST...SOUTH TO SOUTHWEST
WINDS WILL INCREASE TO AROUND 15 MPH THIS AFTERNOON WITH GUSTS UP
TO 30 MPH. COMBINED WITH TEMPERATURES TOPPING OUT IN THE MID TO
UPPER 80S...RED FLAG CONDITIONS ARE ANTICIPATED ACROSS NORTHEAST
LOWER MICHIGAN THIS AFTERNOON AND EARLY EVENING.

MIZ017-018-022>024-028>030-034>036-250000-
/O.CON.KAPX.FW.W.0005.070524T1800Z-070525T0000Z/
CHEBOYGAN-PRESQUE ISLE-OTSEGO-MONTMORENCY-ALPENA-CRAWFORD-OSCODA-
ALCONA-ROSCOMMON-OGEMAW-IOSCO-
INCLUDING THE CITIES OF...CHEBOYGAN...ROGERS CITY...GAYLORD...
ATLANTA...ALPENA...GRAYLING...MIO...HARRISVILLE...HOUGHTON LAKE...
WEST BRANCH...TAWAS CITY
1129 AM EDT THU MAY 24 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING.

TEMPERATURES WILL QUICKLY WARM INTO THE 80S BY AFTERNOON.
THESE VERY WARM TEMPERATURES...WHEN COMBINED WITH SOUTH TO
SOUTHWEST WINDS INCREASING TO AROUND 15 MPH AND GUSTS UP TO 30
MPH...AND HUMIDITY VALUES DECREASING TO AROUND 25 PERCENT...WILL
PRODUCE DANGEROUS FIRE WEATHER CONDITIONS THIS AFTERNOON THROUGH
EARLY 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.

$$


SMD
000 
WWUS83 KAPX 242013
RFWAPX

RED FLAG WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
413 PM EDT THU MAY 24 2007

...RED FLAG WARNING CONTINUES THROUGH EARLY EVENING FOR GUSTY
WINDS...WARM TEMPERATURES AND LOW RELATIVE HUMIDITY...

.MINIMUM RELATIVE HUMIDITY VALUES WILL REMAIN BETWEEN 20 AND 25
PERCENT ACROSS INTERIOR SECTIONS OF NORTHERN LOWER MICHIGAN
THROUGH EARLY THIS EVENING...WITH THE LOWEST READINGS EXPECTED
ACROSS NORTHEAST LOWER MICHIGAN INCLUDING THE HURON NATIONAL
FOREST. MEANWHILE...SOUTH TO SOUTHWEST WINDS WILL BE AROUND 15 MPH
WITH GUSTS UP TO 30 MPH. COMBINED WITH TEMPERATURES TOPPING OUT IN
THE MIDDLE TO UPPER 80S...RED FLAG CONDITIONS WILL CONTINUE ACROSS
NORTHEAST LOWER MICHIGAN THROUGH EARLY EVENING.

MIZ017-018-022>024-028>030-034>036-250000-
/O.CON.KAPX.FW.W.0005.000000T0000Z-070525T0000Z/
CHEBOYGAN-PRESQUE ISLE-OTSEGO-MONTMORENCY-ALPENA-CRAWFORD-OSCODA-
ALCONA-ROSCOMMON-OGEMAW-IOSCO-
INCLUDING THE CITIES OF...CHEBOYGAN...ROGERS CITY...GAYLORD...
ATLANTA...ALPENA...GRAYLING...MIO...HARRISVILLE...HOUGHTON LAKE...
WEST BRANCH...TAWAS CITY
413 PM EDT THU MAY 24 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING.

TEMPERATURES IN THE MIDDLE AND UPPER 80S...IN COMBINATION WITH
SOUTH TO SOUTHWEST WINDS OF AROUND 15 MPH AND GUSTS UP TO 30
MPH...AND RELATIVE HUMIDITY VALUES OF BETWEEN 20 AND 25
PERCENT...WILL CONTINUE TO PRODUCE DANGEROUS FIRE WEATHER
CONDITIONS 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.

$$

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.