Alert archive / Wisconsin / Red Flag Warnings in 2007
Red Flag Warning 2, NWS La Crosse, WI
NWS La Crosse, WI issued this red flag warning at Apr 29, 2007, 5:00 AM CDT for 6 counties in Wisconsin. It took effect at Apr 29, 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
- Apr 29, 2007, 5:00 AM CDT (10:00 UTC)
- In effect from
- Apr 29, 2007, 12:00 PM CDT
- Expired
- Apr 29, 2007, 8:00 PM CDT
- In force
- 8 hr
- Issued by
- NWS La Crosse, WI
Counties Adams County, WI, Clark County, WI, Jackson County, WI, Juneau County, WI, Monroe County, WI, Taylor County, WI
The radar
The La Crosse radar (KARX), 86 km from the middle of the area, began a volume at 09:59 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 00:00Z, 10.0 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1956 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS83 KARX 291000 RFWARX RED FLAG WARNING NATIONAL WEATHER SERVICE LA CROSSE WI 500 AM CDT SUN APR 29 2007 ...RED FLAG WARNING FOR PARTS OF CENTRAL AND NORTHERN WISCONSIN FOR THIS AFTERNOON AND EARLY EVENING... .A LOW PRESSURE AREA WILL MOVE ACROSS SOUTHERN ONTARIO TODAY... DRAGGING A COLD FRONT ACROSS MINNESOTA. AHEAD OF THIS FRONT OVER WISCONSIN...MOSTLY SUNNY SKIES WILL PREVAIL...WITH TEMPERATURES WARMING INTO THE UPPER 70S TO LOWER 80S. WITH A VERY DRY LOWER ATMOSPHERE...GUSTY SOUTHWEST WINDS WILL MIX DOWN THE DRY AIR TO THE SURFACE...WITH DEWPOINTS IN THE 30S. THIS WILL SEND HUMIDITIES PLUMMETING DOWN TO 20 TO 25 PERCENT. THIS COMBINATION OF WIND... WARMTH...AND DRYNESS ALL POINT TO DANGEROUS FIRE WEATHER CONDITIONS...ESPECIALLY OVER PARTS OF CENTRAL AND NORTHERN WISCONSIN. THE SANDY SOIL AREAS WILL BE MOST SUSCEPTIBLE...WHERE GREEN UP IS A BIT MORE DELAYED. AS THE FRONT MOVES THROUGH...A FEW ISOLATED SHOWERS OR THUNDERSTORMS WILL BE POSSIBLE...BUT NO WIDESPREAD RAIN IS EXPECTED. THE FRONT WILL MOVE SOUTH OF THE AREA BY TONIGHT. WINDS WILL DIMINISH...AND TEMPERATURES WILL FALL...GREATLY DECREASING THE THREAT. WIZ017-029-291800- /O.UPG.KARX.FW.A.0001.070429T1800Z-070430T0100Z/ /O.NEW.KARX.FW.W.0002.070429T1700Z-070430T0100Z/ TAYLOR-CLARK- INCLUDING THE CITIES OF...MEDFORD...NEILLSVILLE 500 AM CDT SUN APR 29 2007 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 8 PM CDT THIS EVENING. THIS REPLACES THE FIRE WEATHER WATCH...WHICH IS NO LONGER IN EFFECT. TEMPERATURES WILL WARM INTO THE UPPER 70S AND LOWER 80S BY AFTERNOON. BREEZY SOUTHWEST WINDS WILL HELP MIX THE LOWER ATMOSPHERE...KEEPING DEW POINT TEMPERATURES IN THE 30S. THIS WILL SEND THE RELATIVE HUMIDITY DOWN TO 20 TO 25 PERCENT. 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. $$ WIZ034-042>044-291800- /O.NEW.KARX.FW.W.0002.070429T1700Z-070430T0100Z/ JACKSON-MONROE-JUNEAU-ADAMS- INCLUDING THE CITIES OF...BLACK RIVER FALLS...SPARTA/TOMAH... MAUSTON 500 AM CDT SUN APR 29 2007 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 8 PM CDT THIS EVENING. TEMPERATURES WILL WARM INTO THE LOWER TO MIDDLE 80S BY AFTERNOON. BREEZY SOUTHWEST WINDS WILL HELP MIX THE LOWER ATMOSPHERE...KEEPING DEW POINT TEMPERATURES IN THE 30S. THIS WILL SEND THE RELATIVE HUMIDITY DOWN TO 20 TO 25 PERCENT. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$ MW
4 follow-up statements
000 WWUS83 KARX 291555 RFWARX RED FLAG WARNING NATIONAL WEATHER SERVICE LA CROSSE WI 1055 AM CDT SUN APR 29 2007 ...RED FLAG WARNING FOR PARTS OF CENTRAL AND NORTHERN WISCONSIN FOR THIS AFTERNOON AND EARLY EVENING... .A COLD FRONT WILL DROP SOUTHWARD ACROSS THE UPPER MISSISSIPPI RIVER VALLEY THIS AFTERNOON...MOVING OVER NORTHERN IOWA AND SOUTHERN WISCONSIN BY THIS EVENING. THE ATMOSPHERE REMAINS RATHER DRY BOTH AHEAD AND ESPECIALLY BEHIND THE FRONT...AND MUCH OF THIS DRIER AIR WILL BE BROUGHT DOWN TO THE SURFACE THIS AFTERNOON. AS A RESULT...DEW POINTS WILL FALL DROPPING MINIMUM RELATIVE HUMIDITIES TO 20 TO 25 PERCENT. GUSTY SOUTHWEST WINDS WILL SWING TO THE NORTHWEST WITH THE FRONTAL PASSAGE...WHILE TEMPERATURES TOP OUT ABOVE 80 IN MOST LOCATIONS. ADD TO THE MIX DRY FUELS AND THIS COMBINATION OF WIND...WARMTH...AND DRYNESS ALL POINT TO DANGEROUS FIRE WEATHER CONDITIONS...ESPECIALLY OVER PARTS OF CENTRAL AND NORTHERN WISCONSIN. THE SANDY SOIL AREAS WILL BE MOST SUSCEPTIBLE...WHERE GREEN UP IS A BIT MORE DELAYED. WIZ017-029-034-042>044-300000- /O.CON.KARX.FW.W.0002.070429T1700Z-070430T0100Z/ TAYLOR-CLARK-JACKSON-MONROE-JUNEAU-ADAMS- INCLUDING THE CITIES OF...MEDFORD...NEILLSVILLE... BLACK RIVER FALLS...SPARTA/TOMAH...MAUSTON 1055 AM CDT SUN APR 29 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. TEMPERATURES WILL WARM INTO THE LOWER 80S THIS AFTERNOON WHILE DEW POINTS FALL AS DRIER AIR ALOFT IS BROUGHT TO THE SURFACE. MINIMUM RELATIVE HUMIDITIES OF TO 20 TO 25 PERCENT WILL RESULT. IN ADDITION...THE WINDS WILL BE GUSTY FROM THE SOUTHWEST...SWITCHING TO THE NORTHWEST BY LATE AFTERNOON AS A COLD FRONT SINKS ACROSS THE AREA. 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. $$ RIECK
000 WWUS83 KARX 291931 RFWARX RED FLAG WARNING NATIONAL WEATHER SERVICE LA CROSSE WI 231 PM CDT SUN APR 29 2007 ...RED FLAG WARNING FOR PARTS OF CENTRAL AND NORTHERN WISCONSIN FOR THIS AFTERNOON AND EARLY EVENING... .A COLD FRONT CONTINUES TO DROP SOUTHWARD ACROSS THE UPPER MISSISSIPPI RIVER VALLEY...AND WILL SLIDE OVER NORTHERN IOWA AND SOUTHERN WISCONSIN THIS EVENING. THE ATMOSPHERE IS RATHER DRY BOTH AHEAD AND ESPECIALLY BEHIND THE FRONT...LEADING TO MINIMUM RELATIVE HUMIDITIES THIS AFTERNOON OF 20 TO 25 PERCENT ACROSS NORTHERN AND CENTRAL WISCONSIN. THE DRY CONDITIONS WILL WORK WITH GUSTY WEST TO NORTHWEST WINDS AND TEMPERATURES IN THE LOW 80S TO KEEP THE FIRE DANGER HIGH INTO THIS EVENING. WIZ017-029-034-042>044-300100- /O.CON.KARX.FW.W.0002.000000T0000Z-070430T0100Z/ TAYLOR-CLARK-JACKSON-MONROE-JUNEAU-ADAMS- INCLUDING THE CITIES OF...MEDFORD...NEILLSVILLE... BLACK RIVER FALLS...SPARTA/TOMAH...MAUSTON 231 PM CDT SUN APR 29 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING. MINIMUM RELATIVE HUMIDITIES OF 20 TO 25 PERCENT WITH WORK WITH GUSTY WEST TO NORTHWEST WINDS AND TEMPERATURES IN THE LOW 80S TO KEEP THE FIRE DANGER HIGH INTO THIS EVENING. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$ RIECK
000 WWUS83 KARX 292230 RFWARX RED FLAG WARNING NATIONAL WEATHER SERVICE LA CROSSE WI 530 PM CDT SUN APR 29 2007 ...RED FLAG WARNING FOR PARTS OF CENTRAL AND NORTHERN WISCONSIN CONTINUES INTO THE EARLY EVENING... .A COLD FRONT CONTINUES TO DROP SOUTHWARD ACROSS THE UPPER MISSISSIPPI RIVER VALLEY...AND WILL SLIDE OVER NORTHERN IOWA AND SOUTHERN WISCONSIN THIS EVENING. THE ATMOSPHERE IS RATHER DRY BOTH AHEAD AND ESPECIALLY BEHIND THE FRONT...LEADING TO MINIMUM RELATIVE HUMIDITIES THIS AFTERNOON OF 20 TO 25 PERCENT ACROSS NORTHERN AND CENTRAL WISCONSIN. THE DRY CONDITIONS COMBINED WITH GUSTY NORTHWEST WINDS AND TEMPERATURES IN THE UPPER 70S TO LOWER 80S WILL KEEP THE FIRE DANGER HIGH INTO THE EARLY EVENING. WIZ017-029-034-042>044-300100- /O.CON.KARX.FW.W.0002.000000T0000Z-070430T0100Z/ TAYLOR-CLARK-JACKSON-MONROE-JUNEAU-ADAMS- INCLUDING THE CITIES OF...MEDFORD...NEILLSVILLE... BLACK RIVER FALLS...SPARTA/TOMAH...MAUSTON 530 PM CDT SUN APR 29 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. MINIMUM RELATIVE HUMIDITIES OF 20 TO 25 PERCENT COMBINED WITH GUSTY NORTHWEST WINDS OF 25 TO 30 MPH AND TEMPERATURES IN THE UPPER 70S TO LOWER 80S WILL KEEP THE FIRE DANGER HIGH THROUGH THE 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. $$ THOMPSON
000 WWUS83 KARX 300059 RFWARX RED FLAG WARNING NATIONAL WEATHER SERVICE LA CROSSE WI 759 PM CDT SUN APR 29 2007 ...CONDITIONS IMPROVING THIS EVENING... .WINDS WERE DIMINISHING...TEMPERATURES COOLING AND HUMIDITIES RISING. THIS WILL RESULT IN IMPROVING FIRE WEATHER CONDITIONS THIS EVENING ACROSS PARTS OF NORTH CENTRAL AND CENTRAL WISCONSIN. WIZ017-029-034-042>044-300200- /O.EXP.KARX.FW.W.0002.000000T0000Z-070430T0100Z/ TAYLOR-CLARK-JACKSON-MONROE-JUNEAU-ADAMS- INCLUDING THE CITIES OF...MEDFORD...NEILLSVILLE... BLACK RIVER FALLS...SPARTA/TOMAH...MAUSTON 759 PM CDT SUN APR 29 2007 ...RED FLAG WARNING WILL EXPIRE AT 8 PM CDT THIS EVENING... THE RED FLAG WARNING WILL EXPIRE AT 8 PM CDT THIS EVENING. AS TEMPERATURES CONTINUE COOLING...WINDS DIMINISH AND HUMIDITIES RISE...FIRE WEATHER CONDITIONS ARE EXPECTED TO IMPROVE THIS EVENING. $$ THOMPSON
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.