Alert archive / Wisconsin / Red Flag Warnings in 2007

Red Flag Warning 3, NWS Green Bay, WI

May 4, 20079 counties in Wisconsin

NWS Green Bay, WI issued this red flag warning at May 4, 2007, 11:00 AM CDT for 9 counties in Wisconsin. It took effect at May 4, 2007, 12:00 PM CDT. 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
May 4, 2007, 11:00 AM CDT (16:00 UTC)
In effect from
May 4, 2007, 12:00 PM CDT
Expired
May 4, 2007, 8:00 PM CDT
In force
8 hr
Issued by
NWS Green Bay, WI

Counties Florence County, WI, Forest County, WI, Langlade County, WI, Lincoln County, WI, Marinette County, WI, Menominee County, WI, Oconto County, WI, Oneida County, WI, Vilas County, WI

The radar

The Green Bay radar (KGRB), 124 km from the middle of the area, began a volume at 16:00 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

Green Bay/Straub, WI (KGRB), launched 12:00Z, 4.0 hours before the alert went out and 126 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, Green Bay/Straub, WI at 12:00Z on 2007-05-04Temperature 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, Green Bay/Straub, WI at 12:00Z on 2007-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -26 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
1989 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-26 m²/s²
0-3 km storm-relative helicity
43 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 KGRB 041600
RFWGRB

RED FLAG WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
1100 AM CDT FRI MAY 4 2007

...RED FLAG WARNING FOR NORTH-CENTRAL AND NORTHEAST WISCONSIN FOR
EXTREMELY DRY CONDITIONS TODAY...

.VERY DRY AIR COMBINED WITH DRY FUELS WILL CREATE CRITICAL FIRE
WEATHER CONDITIONS THIS AFTERNOON INTO EARLY THIS EVENING.

WIZ005-010>013-018>021-073-074-050000-
/O.NEW.KGRB.FW.W.0003.070504T1700Z-070505T0100Z/
VILAS-ONEIDA-FOREST-FLORENCE-NORTHERN MARINETTE-LINCOLN-LANGLADE-
MENOMINEE-NORTHERN OCONTO-SOUTHERN MARINETTE-SOUTHERN OCONTO-
1100 AM CDT FRI MAY 4 2007

...RED FLAG WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT UNTIL 8 PM CDT THIS EVENING. 

SUNNY SKIES...STRENGTHENING EAST WINDS...AND EXTREMELY LOW
RELATIVE HUMIDITIES ARE EXPECTED TODAY. SINCE THE AREA HAS NOT
RECEIVED SIGNIFICANT RAINFALL RECENTLY...DEAD LEAVES...GRASS...
AND TWIGS REMAINING FROM LAST SUMMER ARE ALSO VERY DRY. THE
COMBINATION OF THESE FACTORS WILL LEAD TO CRITICAL FIRE WEATHER
CONDITIONS.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE IMMINENT. THIS INFORMATION SHOULD BE DISSEMINATED TO ALL FIRE
CONTROL PERSONNEL.

$$
JS
2 follow-up statements
000 
WWUS83 KGRB 042012
RFWGRB

RED FLAG WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
312 PM CDT FRI MAY 4 2007

...HIGH FIRE DANGER TO CONTINUE THROUGH THE UPCOMING WEEKEND...

.VERY DRY AIR COMBINED WITH DRY FUELS WILL CREATE CRITICAL FIRE
WEATHER CONDITIONS INTO THIS EVENING. ALTHOUGH MORE CLOUDS WILL BE
ACROSS THE AREA AND THAT WILL HOLD TEMPERATURES DOWN A FEW DEGREES
SATURDAY...BRISK WINDS...LOW HUMIDITIES...AND DRY FUELS WILL KEEP
THE FIRE DANGER HIGH. EVEN DRIER AIR WILL SURGE BACK ACROSS THE
AREA SUNDAY...LEADING TO MORE SUNSHINE AND ANTHER DAY WITH CRITICAL
FIRE WEATHER CONDITIONS.

WIZ005-010>013-021-073-074-050415-
/O.NEW.KGRB.FW.A.0002.070505T1700Z-070507T0100Z/
/O.CON.KGRB.FW.W.0003.000000T0000Z-070505T0100Z/
VILAS-ONEIDA-FOREST-FLORENCE-NORTHERN MARINETTE-NORTHERN OCONTO-
SOUTHERN MARINETTE-SOUTHERN OCONTO-
312 PM CDT FRI MAY 4 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS
EVENING...
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SUNDAY EVENING...

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A FIRE
WEATHER WATCH...WHICH IS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SUNDAY EVENING. A RED FLAG WARNING REMAINS IN EFFECT
UNTIL 8 PM CDT THIS EVENING. 

DRY FUELS...BRISK WINDS...AND LOW RELATIVE HUMIDITIES WILL
GENERATE CRITICAL OR NEAR-CRITICAL FIRE WEATHER CONDITIONS THE NEXT
FEW DAYS. THE WORST CONDITIONS ARE EXPECTED DURING THE AFTERNOON
AND EARLY EVENING HOURS. BE SURE TO MONITOR LATER FORECASTS AND
STATEMENTS FOR UPDATED INFORMATION ON THE FIRE WEATHER SITUATION.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE OCCURRING. THIS INFORMATION SHOULD BE DISSEMINATED TO ALL
FIRE CONTROL PERSONNEL.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
MAY DEVELOP. THIS INFORMATION SHOULD BE DISSEMINATED TO ALL FIRE
CONTROL PERSONNEL.

$$

WIZ018>020-050100-
/O.CON.KGRB.FW.W.0003.000000T0000Z-070505T0100Z/
LINCOLN-LANGLADE-MENOMINEE-
312 PM CDT FRI MAY 4 2007

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

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

DRY FUELS...BRISK WINDS...AND LOW RELATIVE HUMIDITIES WILL
GENERATE CRITICAL OR NEAR-CRITICAL FIRE WEATHER CONDITIONS THE NEXT
FEW DAYS. THE WORST CONDITIONS ARE EXPECTED DURING THE AFTERNOON
AND EARLY EVENING HOURS. A FIRE WEATHER WATCH IS IN EFFECT FOR
LOCATIONS TO THE NORTH AND EAST FOR SATURDAY AFTERNOON THROUGH
SUNDAY EVENING. IT IS POSSIBLE THAT THIS WATCH WILL BE EXTENDED
ACROSS LINCOLN...LANGLADE...AND MENOMINEE COUNTIES WITH LATER
FORECASTS. BE SURE TO MONITOR LATER FORECASTS AND STATEMENTS FOR
UPDATED INFORMATION ON THE FIRE WEATHER SITUATION.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE IMMINENT. THIS INFORMATION SHOULD BE DISSEMINATED TO ALL FIRE
CONTROL PERSONNEL.

$$
JS/RE
000 
WWUS83 KGRB 050055
RFWGRB

RED FLAG WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
755 PM CDT FRI MAY 4 2007

...HIGH FIRE DANGER TO CONTINUE THROUGH THE UPCOMING WEEKEND...

WIZ005-010>013-021-073-074-050900-
/O.EXP.KGRB.FW.W.0003.000000T0000Z-070505T0100Z/
/O.CON.KGRB.FW.A.0002.070505T1700Z-070507T0100Z/
VILAS-ONEIDA-FOREST-FLORENCE-NORTHERN MARINETTE-NORTHERN OCONTO-
SOUTHERN MARINETTE-SOUTHERN OCONTO-
755 PM CDT FRI MAY 4 2007

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SUNDAY EVENING...
...RED FLAG WARNING WILL EXPIRE AT 8 PM CDT THIS EVENING...

THE RED FLAG WARNING WILL EXPIRE AT 8 PM CDT THIS EVENING. A FIRE
WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SUNDAY EVENING. 

DRY FUELS...BRISK WINDS...AND LOW RELATIVE HUMIDITIES WILL
GENERATE CRITICAL OR NEAR-CRITICAL FIRE WEATHER CONDITIONS THE
NEXT FEW DAYS. THE WORST CONDITIONS ARE EXPECTED DURING THE
AFTERNOON AND EARLY EVENING HOURS. BE SURE TO MONITOR LATER
FORECASTS AND STATEMENTS FOR UPDATED INFORMATION ON THE FIRE
WEATHER SITUATION.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
MAY DEVELOP. THIS INFORMATION SHOULD BE DISSEMINATED TO ALL FIRE
CONTROL PERSONNEL.

$$

WIZ018>020-050200-
/O.EXP.KGRB.FW.W.0003.000000T0000Z-070505T0100Z/
LINCOLN-LANGLADE-MENOMINEE-
755 PM CDT FRI MAY 4 2007

...RED FLAG WARNING WILL EXPIRE AT 8 PM CDT THIS EVENING...

THE RED FLAG WARNING WILL EXPIRE AT 8 PM CDT THIS EVENING. 

CRITICAL OR NEAR CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE
AGAIN ON SUNDAY.

$$
JKL

The office that day

Everything else NWS Green Bay, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 4, 3:12 PM CDTFire Weather WatchGRBFlorence, Forest, Langlade, Lincoln, Marinette, Menominee and 3 more38 hr

Nearby

Red Flag Warnings in Wisconsin, 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.