Alert archive / Minnesota / Red Flag Warnings in 2007
Red Flag Warning 1, NWS Twin Cities, MN
NWS Twin Cities, MN issued this red flag warning at Apr 29, 2007, 5:23 AM CDT for 9 counties in Wisconsin; 14 counties in Minnesota. It took effect at Apr 29, 2007, 12:00 PM CDT. It was in force for 7 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, 5:23 AM CDT (10:23 UTC)
- In effect from
- Apr 29, 2007, 12:00 PM CDT
- Expired
- Apr 29, 2007, 7:00 PM CDT
- In force
- 7 hr
- Issued by
- NWS Twin Cities, MN
All 23 counties
Anoka County, MN, Benton County, MN, Chisago County, MN, Hennepin County, MN, Isanti County, MN, Kanabec County, MN, Mille Lacs County, MN, Morrison County, MN, Ramsey County, MN, Sherburne County, MN, Stearns County, MN, Todd County, MN, Washington County, MN, Wright County, MN, Barron County, WI, Chippewa County, WI, Dunn County, WI, Eau Claire County, WI, Pepin County, WI, Pierce County, WI, Polk County, WI, Rusk County, WI, Saint Croix County, WI
The radar
The Minneapolis radar (KMPX), 71 km from the middle of the area, began a volume at 10:24 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
Minneapolis, MN (KMPX), launched 00:00Z, 10.4 hours before the alert went out and 73 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
- 3490 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 88 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 KMPX 291023 RFWMPX RED FLAG WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 523 AM CDT SUN APR 29 2007 ...RED FLAG WARNING IN EFFECT FOR PORTIONS OF CENTRAL MINNESOTA AND ALL OF WEST CENTRAL WISCONSIN FROM NOON TODAY UNTIL 7 PM THIS EVENING FOR VERY DRY CONDITIONS...STRONGER NORTHERLY WINDS...AND WARM TEMPERATURES... .A COLD FRONT WILL MOVE FROM NORTHWEST MINNESOTA ACROSS CENTRAL MINNESOTA AND WESTERN WISCONSIN BY EARLY AFTERNOON. WITH THIS WILL COME A WIND SHIFT FROM SOUTHWESTERLY TO WESTERLY AHEAD OF THE FRONT...AND THEN A SHARP TURN TO NORTHERLY BEHIND THE FRONT. WIND SPEEDS WILL ALSO INCREASE WITH THE FRONTAL PASSAGE...WITH SUSTAINED LOW LEVEL WIND SPEEDS AT TIMES APPROACHING 20 MPH DURING THE AFTERNOON. HIGHER GUSTS ARE ANTICIPATED GIVEN THE ATMOSPHERIC SETUP. TEMPERATURES ACROSS MUCH OF THE WARNING AREA WILL CLIMB INTO THE UPPER 70S TO LOWER 80S AS RELATIVE HUMIDITY DROPS INTO THE 22 TO 28 PERCENT RANGE. THE COMBINATION OF ABUNDANT DRY FUELS AND THE DRY AND WINDY WEATHER CONDITIONS WILL CREATE SEVERE WILDFIRE CONDITIONS. MNZ068>070-291130- /O.CAN.KMPX.FW.A.0001.070429T1800Z-070430T0000Z/ CARVER-SCOTT-DAKOTA- 523 AM CDT SUN APR 29 2007 ...FIRE WEATHER WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES/CHANHASSEN HAS CANCELLED THE FIRE WEATHER WATCH. THE FIRE WEATHER WATCH HAS BEEN CANCELLED FOR THE SOUTHWEST AND SOUTH SIDES OF THE TWIN CITY METRO AREA. HOWEVER...DRY AND OCCASIONALLY BREEZY CONDITIONS ARE EXPECTED DURING THE LATE MORNING AND AFTERNOON. WITH THE DRY FUELS...THIS WILL CREATE CRITICAL FIRE WEATHER CONDITIONS. $$ MNZ042>045-049>053-059>063-WIZ014>016-023>028-291830- /O.UPG.KMPX.FW.A.0001.070429T1800Z-070430T0000Z/ /O.NEW.KMPX.FW.W.0001.070429T1700Z-070430T0000Z/ TODD-MORRISON-MILLE LACS-KANABEC-STEARNS-BENTON-SHERBURNE-ISANTI- CHISAGO-WRIGHT-HENNEPIN-ANOKA-RAMSEY-WASHINGTON-POLK-BARRON-RUSK- ST. CROIX-PIERCE-DUNN-PEPIN-CHIPPEWA-EAU CLAIRE- 523 AM CDT SUN APR 29 2007 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES/CHANHASSEN HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. .A COLD FRONT WILL MOVE FROM NORTHWEST MINNESOTA ACROSS CENTRAL MINNESOTA AND WESTERN WISCONSIN BY EARLY AFTERNOON. WITH THIS WILL COME A WIND SHIFT FROM SOUTHWESTERLY TO WESTERLY AHEAD OF THE FRONT...AND THEN A SHARP TURN TO NORTHERLY BEHIND THE FRONT. WIND SPEEDS WILL ALSO INCREASE WITH THE FRONTAL PASSAGE...WITH SUSTAINED LOW LEVEL WIND SPEEDS AT TIMES APPROACHING 20 MPH DURING THE AFTERNOON. HIGHER GUSTS ARE ANTICIPATED GIVEN THE ATMOSPHERIC SETUP. TEMPERATURES ACROSS MUCH OF THE WARNING AREA WILL CLIMB INTO THE UPPER 70S TO LOWER 80S AS RELATIVE HUMIDITY DROPS INTO THE 22 TO 28 PERCENT RANGE. THE COMBINATION OF ABUNDANT DRY FUELS AND THE DRY AND WINDY WEATHER CONDITIONS WILL CREATE SEVERE WILDFIRE CONDITIONS. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$
1 follow-up statement
000 WWUS83 KMPX 291746 RFWMPX RED FLAG WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1246 PM CDT SUN APR 29 2007 ...RED FLAG WARNING IN EFFECT FOR PORTIONS OF CENTRAL MINNESOTA AND ALL OF WEST CENTRAL WISCONSIN UNTIL 7 PM THIS EVENING FOR VERY DRY CONDITIONS...GUSTY NORTHERLY WINDS...AND WARM TEMPERATURES... .A COLD FRONT EXTENDED FROM HAYWARD WISCONSIN TO NEW ULM MINNESOTA AT NOON. BY 7 PM...IT WILL EXTEND FROM NORTHEASTERN WISCONSIN TO SOUTHWESTERN WISCONSIN. BEHIND THE FRONT ACROSS EAST CENTRAL MINNESOTA...AND WEST CENTRAL WISCONSIN...EXPECT NORTH OR NORTHWEST WINDS CLOSE TO 20 MPH WITH HIGHER GUSTS. TEMPERATURES WILL BE IN THE MIDDLE 70S TO MIDDLE 80S...AND RELATIVE HUMIDITIES WILL RANGE FROM 20 TO 28 PERCENT. THE COMBINATION OF ABUNDANT DRY FUELS AND THE DRY AND WINDY WEATHER CONDITIONS WILL CREATE SEVERE WILDFIRE CONDITIONS. MNZ042>045-049>053-059>063-WIZ014>016-023>028-300000- /O.CON.KMPX.FW.W.0001.000000T0000Z-070430T0000Z/ TODD-MORRISON-MILLE LACS-KANABEC-STEARNS-BENTON-SHERBURNE-ISANTI- CHISAGO-WRIGHT-HENNEPIN-ANOKA-RAMSEY-WASHINGTON-POLK-BARRON-RUSK- ST. CROIX-PIERCE-DUNN-PEPIN-CHIPPEWA-EAU CLAIRE- 1246 PM CDT SUN APR 29 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. .A COLD FRONT EXTENDED FROM HAYWARD WISCONSIN TO NEW ULM MINNESOTA AT NOON. BY 7 PM...IT WILL EXTEND FROM NORTHEASTERN WISCONSIN TO SOUTHWESTERN WISCONSIN. BEHIND THE FRONT ACROSS EAST CENTRAL MINNESOTA...AND WEST CENTRAL WISCONSIN...EXPECT NORTH OR NORTHWEST WINDS CLOSE TO 20 MPH WITH HIGHER GUSTS. TEMPERATURES WILL BE IN THE MIDDLE 70S TO MIDDLE 80S...AND RELATIVE HUMIDITIES WILL RANGE FROM 20 TO 28 PERCENT. THE COMBINATION OF ABUNDANT DRY FUELS AND THE DRY AND WINDY WEATHER CONDITIONS WILL CREATE SEVERE WILDFIRE CONDITIONS. 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. $$ RJN
Nearby
Red Flag Warnings in Minnesota, 2007Red 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.