Alert archive / Minnesota / Red Flag Warnings in 2008
Red Flag Warning 1, NWS Twin Cities, MN
NWS Twin Cities, MN issued this red flag warning at Apr 23, 2008, 1:11 PM CDT for 13 counties in Minnesota. It took effect at Apr 23, 2008, 3:00 PM CDT. It was in force for 4 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 23, 2008, 1:11 PM CDT (18:11 UTC)
- In effect from
- Apr 23, 2008, 3:00 PM CDT
- Expired
- Apr 23, 2008, 7:00 PM CDT
- In force
- 4 hr
- Issued by
- NWS Twin Cities, MN
Counties Blue Earth County, MN, Brown County, MN, Faribault County, MN, Freeborn County, MN, Le Sueur County, MN, Martin County, MN, Nicollet County, MN, Redwood County, MN, Rice County, MN, Steele County, MN, Waseca County, MN, Watonwan County, MN, Yellow Medicine County, MN
The radar
The Minneapolis radar (KMPX), 95 km from the middle of the area, began a volume at 18:13 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 12:00Z, 6.2 hours before the alert went out and 94 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
- 2668 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 127 m²/s²
- 0-3 km storm-relative helicity
- 336 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 231811 RFWMPX RED FLAG WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 111 PM CDT WED APR 23 2008 ...RED FLAG WARNING FOR MUCH OF SOUTHERN MINNESOTA THIS AFTERNOON FOR LOW RELATIVE HUMIDITY AND STRONG SOUTH WINDS... .INCREASING SOUTH WINDS COMBINED WITH VERY DRY AIR WILL CREATE A DANGEROUS WILDFIRE THREAT IN SOUTH CENTRAL INTO SOUTHWEST MINNESOTA THIS AFTERNOON. BY 3 PM CDT MUCH OF THE AREA SHOULD SEE WIND SPEEDS OF 20 MPH WITH STRONGER GUSTS AND RELATIVE HUMIDITY FROM 20 TO 25 PERCENT. A FEW STATIONS MAY RECORD RELATIVE HUMIDITY IN THE TEENS. DURING THE EVENING HOURS WINDS WILL REMAIN GUSTY...BUT RELATIVE HUMIDITY VALUES WILL BEGIN TO RISE AS TEMPERATURES BEGIN TO COOL. THESE GUSTY WINDS AND LOW HUMIDITY VALUES ARE AHEAD OF STRONG LOW PRESSURE SYSTEM MOVING INTO WESTERN SOUTH DAKOTA. MNZ064-073>077-082>085-091>093-240000- /O.NEW.KMPX.FW.W.0001.080423T2000Z-080424T0000Z/ YELLOW MEDICINE-REDWOOD-BROWN-NICOLLET-LE SUEUR-RICE-WATONWAN- BLUE EARTH-WASECA-STEELE-MARTIN-FARIBAULT-FREEBORN- 111 PM CDT WED APR 23 2008 ...RED FLAG WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 3 PM UNTIL 7 PM CDT THIS EVENING. INCREASING SOUTH WINDS COMBINED WITH VERY DRY AIR WILL CREATE A DANGEROUS WILDFIRE THREAT IN SOUTH CENTRAL INTO SOUTHWEST MINNESOTA THIS AFTERNOON. BY 3 PM CDT MUCH OF THE AREA SHOULD SEE WIND SPEEDS OF 20 MPH WITH STRONGER GUSTS AND RELATIVE HUMIDITY FROM 20 TO 25 PERCENT. A FEW STATIONS MAY RECORD RELATIVE HUMIDITY IN THE TEENS. DURING THE EVENING HOURS WINDS WILL REMAIN GUSTY...BUT RELATIVE HUMIDITY VALUES WILL BEGIN TO RISE AS TEMPERATURES BEGIN TO COOL. 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. $$ BAP
Nearby
Red Flag Warnings in Minnesota, 2008Every red flag warning in 2008
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.