Alert archive / Minnesota / Red Flag Warnings in 2012
Red Flag Warning 1, NWS Twin Cities, MN
NWS Twin Cities, MN issued this red flag warning at Mar 10, 2012, 4:34 AM CST for 9 counties in Minnesota. It took effect at Mar 10, 2012, 12:00 PM CST. 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
- Mar 10, 2012, 4:34 AM CST (10:34 UTC)
- In effect from
- Mar 10, 2012, 12:00 PM CST
- Expired
- Mar 10, 2012, 6:00 PM CST
- In force
- 6 hr
- Issued by
- NWS Twin Cities, MN
Counties Blue Earth County, MN, Brown County, MN, Faribault County, MN, Freeborn County, MN, Martin County, MN, Redwood County, MN, Steele County, MN, Waseca County, MN, Watonwan County, MN
The radar
The Minneapolis radar (KMPX), 108 km from the middle of the area, began a volume at 10:37 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, 10.6 hours before the alert went out and 107 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
- 2306 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 282 m²/s²
- 0-3 km storm-relative helicity
- 667 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
910 WWUS83 KMPX 101034 RFWMPX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 434 AM CST SAT MAR 10 2012 ...A RED FLAG WARNING IS IN EFFECT THIS AFTERNOON FOR SOUTH CENTRAL MINNESOTA FOR STRONG WINDS AND LOW RELATIVE HUMIDITY VALUES... .STRONG SOUTH TO SOUTHWEST WINDS WERE ALREADY IN PLACE OVER PARTS OF SOUTH CENTRAL MINNESOTA EARLY THIS MORNING. EXPECT WINDS TO INCREASE INTO THE 20 TO 25 MPH RANGE WITH SOME GUSTS TO 35 MPH. IN ADDITION...RELATIVE HUMIDITY VALUES WILL DROP TO NEAR 20 PERCENT THIS AFTERNOON...AND POSSIBLY AS LOW AS 15 PERCENT. WITH ALREADY DRY CONDITIONS IN PLACE...THE COMBINATION OF THE WINDS AND LOW HUMIDITIES COULD CAUSE RAPID FIRE GROWTH IN DRY GRASSES AND BRUSH. THE RED FLAG WARNING COVERS AREAS SOUTH OF A LINE FROM ABOUT REDWOOD FALLS TO WASECA. MNZ073-074-082>085-091>093-101845- /O.NEW.KMPX.FW.W.0001.120310T1800Z-120311T0000Z/ REDWOOD-BROWN-WATONWAN-BLUE EARTH-WASECA-STEELE-MARTIN-FARIBAULT- FREEBORN- INCLUDING THE CITIES OF...REDWOOD FALLS...NEW ULM...ST. JAMES... MANKATO...WASECA...OWATONNA...FAIRMONT...BLUE EARTH...ALBERT LEA 434 AM CST SAT MAR 10 2012 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM CST THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR SOPUTH CENTRAL MINNESOTA. THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM CST THIS EVENING. * AFFECTED AREA...SOUTH CENTRAL MINNESOTA...SOUTH OF A LINE FROM ABOUT REDWOOD FALLS TO WASECA. * WINDS...SOUTHWEST 20 TO 25 MPH WITH GUSTS UP TO 35 MPH. * RELATIVE HUMIDITY...16 TO 20 PERCENT. * IMPACTS...FIRES COULD BECOME FAST MOVING IN A SHORT PERIOD OF TIME DUE TO THE GUSTY WINDS AND LOW HUMIDITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/MPX (ALL LOWER CASE)
2 follow-up statements
531 WWUS83 KMPX 101045 RFWMPX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 445 AM CST SAT MAR 10 2012 ...A RED FLAG WARNING IS IN EFFECT THIS AFTERNOON FOR SOUTH CENTRAL MINNESOTA FOR STRONG WINDS AND LOW RELATIVE HUMIDITY VALUES... .STRONG SOUTH TO SOUTHWEST WINDS WERE ALREADY IN PLACE OVER PARTS OF SOUTH CENTRAL MINNESOTA EARLY THIS MORNING. EXPECT WINDS TO INCREASE INTO THE 20 TO 25 MPH RANGE WITH SOME GUSTS TO 35 MPH. IN ADDITION...RELATIVE HUMIDITY VALUES WILL DROP TO NEAR 20 PERCENT THIS AFTERNOON...AND POSSIBLY AS LOW AS 15 PERCENT. WITH ALREADY DRY CONDITIONS IN PLACE...THE COMBINATION OF THE WINDS AND LOW HUMIDITIES COULD CAUSE RAPID FIRE GROWTH IN DRY GRASSES AND BRUSH. THE RED FLAG WARNING COVERS AREAS SOUTH OF A LINE FROM ABOUT REDWOOD FALLS TO WASECA. MNZ073-074-082>085-091>093-101845- /O.CON.KMPX.FW.W.0001.120310T1800Z-120311T0000Z/ REDWOOD-BROWN-WATONWAN-BLUE EARTH-WASECA-STEELE-MARTIN-FARIBAULT- FREEBORN- INCLUDING THE CITIES OF...REDWOOD FALLS...NEW ULM...ST. JAMES... MANKATO...WASECA...OWATONNA...FAIRMONT...BLUE EARTH...ALBERT LEA 445 AM CST SAT MAR 10 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 6 PM CST THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTH CENTRAL MINNESOTA. A RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 6 PM CST THIS EVENING. * AFFECTED AREA...SOUTH CENTRAL MINNESOTA...SOUTH OF A LINE FROM ABOUT REDWOOD FALLS TO WASECA. * WINDS...SOUTHWEST 20 TO 25 MPH WITH GUSTS UP TO 35 MPH. * RELATIVE HUMIDITY...AS LOW AS 16 TO 20 PERCENT. * IMPACTS...FIRES COULD BECOME FAST MOVING IN A SHORT PERIOD OF TIME DUE TO THE GUSTY WINDS AND LOW HUMIDITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/MPX (ALL LOWER CASE)
595 WWUS83 KMPX 101820 RFWMPX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1220 PM CST SAT MAR 10 2012 ...A RED FLAG WARNING IS IN EFFECT THIS AFTERNOON FOR SOUTH CENTRAL MINNESOTA FOR STRONG WINDS AND LOW RELATIVE HUMIDITY... .STRONG SOUTHWEST WINDS WILL CONTINUE THROUGH MUCH OF THE AFTERNOON ACROSS SOUTH CENTRAL MINNESOTA WHERE THE GROUND IS FREE OF SNOW. SUSTAINED WINDS WILL BE IN THE 20 MPH RANGE WITH GUSTS OVER 30 MPH. DURING THE AFTERNOON RELATIVE HUMIDITY WILL DROP INTO THE 18 TO 25 PERCENT RANGE AS TEMPERATURES RISE INTO THE MID 60S. THE COMBINATION OF THE STRONG WINDS AND LOW HUMIDITY COULD CAUSE RAPID FIRE GROWTH IN DRY GRASSES AND BRUSH. THE RED FLAG WARNING COVERS AREAS SOUTH OF A LINE FROM ABOUT REDWOOD FALLS TO WASECA. MNZ073-074-082>085-091>093-110000- /O.CON.KMPX.FW.W.0001.000000T0000Z-120311T0000Z/ REDWOOD-BROWN-WATONWAN-BLUE EARTH-WASECA-STEELE-MARTIN-FARIBAULT- FREEBORN- INCLUDING THE CITIES OF...REDWOOD FALLS...NEW ULM...ST. JAMES... MANKATO...WASECA...OWATONNA...FAIRMONT...BLUE EARTH...ALBERT LEA 1220 PM CST SAT MAR 10 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTH CENTRAL MINNESOTA. RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING. * AFFECTED AREA...SOUTH CENTRAL MINNESOTA...SOUTH OF A LINE FROM ABOUT REDWOOD FALLS TO WASECA. * WINDS...SOUTHWEST 20 TO 25 MPH WITH GUSTS OF 30 TO 35 MPH. * RELATIVE HUMIDITY...AS LOW AS 18 TO 25 PERCENT. * IMPACTS...FIRES COULD BECOME FAST MOVING IN A SHORT PERIOD OF TIME DUE TO THE GUSTY WINDS AND LOW HUMIDITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS AND LOW RELATIVE HUMIDITY AND DRY FUELS WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/MPX (ALL LOWER CASE)
Nearby
Red Flag Warnings in Minnesota, 2012Every red flag warning in 2012
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.