Alert archive / Minnesota / Red Flag Warnings in 2023

Red Flag Warning 3, NWS Twin Cities, MN

May 2, 202342 counties in Minnesota

NWS Twin Cities, MN issued this red flag warning at May 2, 2023, 3:25 AM CDT for 42 counties in Minnesota. It took effect at May 2, 2023, 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 2, 2023, 3:25 AM CDT (08:25 UTC)
In effect from
May 2, 2023, 12:00 PM CDT
Expired
May 2, 2023, 8:00 PM CDT
In force
8 hr
Issued by
NWS Twin Cities, MN
All 42 counties

Anoka County, MN, Benton County, MN, Blue Earth County, MN, Brown County, MN, Carver County, MN, Chippewa County, MN, Chisago County, MN, Dakota County, MN, Douglas County, MN, Faribault County, MN, Freeborn County, MN, Goodhue County, MN, Hennepin County, MN, Isanti County, MN, Kanabec County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, Le Sueur County, MN, Martin County, MN, McLeod County, MN, Meeker County, MN, Mille Lacs County, MN, Morrison County, MN, Nicollet County, MN, Pope County, MN, Ramsey County, MN, Redwood County, MN, Renville County, MN, Rice County, MN, Scott County, MN, Sherburne County, MN, Sibley County, MN, Stearns County, MN, Steele County, MN, Stevens County, MN, Swift County, MN, Todd County, MN, Waseca County, MN, Washington County, MN, Watonwan County, MN, Wright County, MN, Yellow Medicine County, MN

The radar

The Minneapolis radar (KMPX), 50 km from the middle of the area, began a volume at 08:31 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, 8.4 hours before the alert went out and 47 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.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 00:00Z on 2023-05-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2023-05-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2246 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
69 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

560 
WWUS83 KMPX 020825
RFWMPX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
325 AM CDT Tue May 2 2023

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM CDT 
THIS EVENING FOR MUCH OF MINNESOTA...

.Steady northwest winds with gusts near 30 mph are expected again
today with humidities dropping to between 15 and 25 percent. Some
humidities in the lower teens are possible. Critical fire weather
conditions are expected and any fires that form will have the 
ability to spread quickly.

MNZ041>045-047>070-073>078-082>085-091>093-022100-
/O.UPG.KMPX.FW.A.0002.230502T1700Z-230503T0100Z/
/O.NEW.KMPX.FW.W.0003.230502T1700Z-230503T0100Z/
Douglas-Todd-Morrison-Mille Lacs-Kanabec-Stevens-Pope-Stearns-
Benton-Sherburne-Isanti-Chisago-Lac Qui Parle-Swift-Chippewa-
Kandiyohi-Meeker-Wright-Hennepin-Anoka-Ramsey-Washington-
Yellow Medicine-Renville-McLeod-Sibley-Carver-Scott-Dakota-
Redwood-Brown-Nicollet-Le Sueur-Rice-Goodhue-Watonwan-Blue Earth-
Waseca-Steele-Martin-Faribault-Freeborn-
325 AM CDT Tue May 2 2023

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM CDT THIS
EVENING FOR GUSTY WINDS AND LOW HUMIDITY...

The National Weather Service in Twin Cities/Chanhassen has issued
a Red Flag Warning, which is in effect from noon today to 8 PM
CDT this evening. The Fire Weather Watch is no longer in effect. 

* AFFECTED AREA...All of central and south central Minnesota.

* WIND...Northwest 20 to 25 mph with gusts near 30 mph.

* HUMIDITY...15 to 25 percent. Even lower humidities are
  possible.

* IMPACTS...Any fires that develop will likely spread rapidly.
  Outdoor burning is not recommended.

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.

&&

$$

jrb
2 follow-up statements
717 
WWUS83 KMPX 021658
RFWMPX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
1158 AM CDT Tue May 2 2023

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM CDT THIS
EVENING FOR MUCH OF MINNESOTA...

.Steady northwest winds with gusts near 30 mph are expected again
today with humidities dropping to between 15 and 25 percent. Some
humidities in the lower teens are possible. Critical fire weather
conditions are expected and any fires that form will have the
ability to spread quickly.

MNZ041>045-047>070-073>078-082>085-091>093-030100-
/O.CON.KMPX.FW.W.0003.230502T1700Z-230503T0100Z/
Douglas-Todd-Morrison-Mille Lacs-Kanabec-Stevens-Pope-Stearns-
Benton-Sherburne-Isanti-Chisago-Lac Qui Parle-Swift-Chippewa-
Kandiyohi-Meeker-Wright-Hennepin-Anoka-Ramsey-Washington-
Yellow Medicine-Renville-McLeod-Sibley-Carver-Scott-Dakota-
Redwood-Brown-Nicollet-Le Sueur-Rice-Goodhue-Watonwan-Blue Earth-
Waseca-Steele-Martin-Faribault-Freeborn-
1158 AM CDT Tue May 2 2023

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY...

* AFFECTED AREA...All of central and south central Minnesota.

* WIND...Northwest 20 to 25 mph with gusts near 30 mph.

* HUMIDITY...15 to 25 percent. Even lower humidities are 
  possible.

* IMPACTS...Any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

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.

&&

$$
301 
WWUS83 KMPX 030052
RFWMPX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
752 PM CDT Tue May 2 2023

MNZ041>045-047>070-073>078-082>085-091>093-030200-
/O.EXP.KMPX.FW.W.0003.000000T0000Z-230503T0100Z/
Douglas-Todd-Morrison-Mille Lacs-Kanabec-Stevens-Pope-Stearns-
Benton-Sherburne-Isanti-Chisago-Lac Qui Parle-Swift-Chippewa-
Kandiyohi-Meeker-Wright-Hennepin-Anoka-Ramsey-Washington-
Yellow Medicine-Renville-McLeod-Sibley-Carver-Scott-Dakota-
Redwood-Brown-Nicollet-Le Sueur-Rice-Goodhue-Watonwan-Blue Earth-
Waseca-Steele-Martin-Faribault-Freeborn-
752 PM CDT Tue May 2 2023

...THE RED FLAG WARNING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY
WILL EXPIRE AT 8 PM FOR MOST OF MINNESOTA...

$$

Nearby

Red Flag Warnings in Minnesota, 2023Every red flag warning in 2023

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.