Alert archive / Wisconsin / Red Flag Warnings in 2021
Red Flag Warning 1, NWS Milwaukee, WI
NWS Milwaukee, WI issued this red flag warning at May 1, 2021, 10:48 AM CDT for 12 counties in Wisconsin. It took effect at May 1, 2021, 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 1, 2021, 10:48 AM CDT (15:48 UTC)
- In effect from
- May 1, 2021, 12:00 PM CDT
- Expired
- May 1, 2021, 8:00 PM CDT
- In force
- 8 hr
- Issued by
- NWS Milwaukee, WI
Counties Columbia County, WI, Dane County, WI, Dodge County, WI, Green County, WI, Green Lake County, WI, Iowa County, WI, Jefferson County, WI, Lafayette County, WI, Marquette County, WI, Rock County, WI, Sauk County, WI, Walworth County, WI
The radar
The Milwaukee radar (KMKX), 67 km from the middle of the area, began a volume at 15:48 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, 3.8 hours before the alert went out and 179 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
- 2038 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 248 m²/s²
- 0-3 km storm-relative helicity
- 418 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
472 WWUS83 KMKX 011548 RFWMKX URGENT - Fire Weather Message National Weather Service Milwaukee/Sullivan WI 1048 AM CDT Sat May 1 2021 ...RED FLAG WARNING IN EFFECT... .The anticipated very warm and windy conditions, in combination with low relative humidity will lead to critical fire weather conditions today. The Wisconsin DNR strongly advising citizens to avoid burning in the affected areas. Contact your local DNR office for more information. WIZ046-047-056>058-062>064-067>070-020000- /O.NEW.KMKX.FW.W.0001.210501T1700Z-210502T0100Z/ Marquette-Green Lake-Sauk-Columbia-Dodge-Iowa-Dane-Jefferson- Lafayette-Green-Rock-Walworth- 1048 AM CDT Sat May 1 2021 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING FOR CRITICAL FIRE WEATHER CONDITIONS IN SOUTHERN WISCONSIN... The National Weather Service in Milwaukee/Sullivan has issued a Red Flag Warning for critical fire weather, which is in effect until 8 PM CDT this evening. * AFFECTED AREA...Marquette...Green Lake...Sauk...Columbia... Dodge...Iowa...Dane...Jefferson...Lafayette...Green...Rock and Walworth. * WINDS...Southwest 15 to 25 mph with gusts up to 45 mph. * TIMING... * RELATIVE HUMIDITY...As low as 25 percent. * TEMPERATURES...In the low 80s. * IMPACTS...Dry conditions will support efficient fire maintenance and spread. Avoiding burning and the use of equipment that cause sparks is strongly advised. Contact your local DNR office for possible burn bans and other information. 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 can contribute to extreme fire behavior. && $$
1 follow-up statement
210 WWUS83 KMKX 011943 RFWMKX URGENT - Fire Weather Message National Weather Service Milwaukee/Sullivan WI 243 PM CDT Sat May 1 2021 ...RED FLAG WARNING IN EFFECT... .Very warm and windy conditions, in combination with low relative humidity are producing critical fire weather conditions today. The Wisconsin DNR strongly advising citizens to avoid burning in the affected areas. Contact your local DNR office for more information. WIZ046-047-056>058-062>064-067>070-020100- /O.CON.KMKX.FW.W.0001.000000T0000Z-210502T0100Z/ Marquette-Green Lake-Sauk-Columbia-Dodge-Iowa-Dane-Jefferson- Lafayette-Green-Rock-Walworth- 243 PM CDT Sat May 1 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING FOR CRITICAL FIRE WEATHER CONDITIONS IN SOUTHERN WISCONSIN... * AFFECTED AREA...Marquette...Green Lake...Sauk...Columbia... Dodge...Iowa...Dane...Jefferson...Lafayette...Green...Rock and Walworth. * WINDS...Southwest 15 to 25 mph with gusts up to 50 mph. * TIMING... * RELATIVE HUMIDITY...As low as 22 percent. * TEMPERATURES...In the lower 80s. * IMPACTS...Dry conditions will support efficient fire maintenance and spread. Avoiding burning and the use of equipment that cause sparks is strongly advised. Contact your local DNR office for possible burn bans and other information. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$
Nearby
Red Flag Warnings in Wisconsin, 2021Every red flag warning in 2021
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.