Alert archive / Minnesota / Red Flag Warnings in 2023

Red Flag Warning 2, NWS Twin Cities, MN

April 13, 202320 counties in Minnesota

NWS Twin Cities, MN issued this red flag warning at Apr 13, 2023, 2:32 AM CDT for 20 counties in Minnesota. It took effect at Apr 13, 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: Apr 13, 2023, 2:32 AM CDT (07:32 UTC)
In effect from: Apr 13, 2023, 12:00 PM CDT
Expired: Apr 13, 2023, 8:00 PM CDT
In force: 8 hr
Issued by: NWS Twin Cities, MN

Counties Anoka County, MN, Blue Earth County, MN, Brown County, MN, Carver County, MN, Dakota County, MN, Faribault County, MN, Freeborn County, MN, Goodhue County, MN, Hennepin County, MN, Le Sueur County, MN, Martin County, MN, Nicollet County, MN, Ramsey County, MN, Rice County, MN, Scott County, MN, Sibley County, MN, Steele County, MN, Waseca County, MN, Washington County, MN, Watonwan County, MN

The radar

The Minneapolis radar (KMPX), 51 km from the middle of the area, began a volume at 07:30 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, 7.5 hours before the alert went out and 51 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 512 J/kg
Mixed-layer CIN: -238 J/kg
Mixed-layer LCL: 2354 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 153 m²/s²
0-3 km storm-relative helicity: 181 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

270 
WWUS83 KMPX 130732
RFWMPX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
232 AM CDT Thu Apr 13 2023

...CRITICAL FIRE WEATHER CONDITIONS POSSIBLE THURSDAY AFTERNOON
FOR SOUTH CENTRAL, EAST CENTRAL, AND SOUTHEAST MINNESOTA...

.Abnormally warm temperatures will allow relative humidity values
to drop to around 20 percent Thursday afternoon. This dry air
combined with dry fuels and winds of 20 to 25 mph will allow for
fires to spread quickly.

MNZ060>063-067>070-074>078-082>085-091>093-131545-
/O.UPG.KMPX.FW.A.0001.230413T1700Z-230414T0100Z/
/O.NEW.KMPX.FW.W.0002.230413T1700Z-230414T0100Z/
Hennepin-Anoka-Ramsey-Washington-Sibley-Carver-Scott-Dakota-Brown-
Nicollet-Le Sueur-Rice-Goodhue-Watonwan-Blue Earth-Waseca-Steele-
Martin-Faribault-Freeborn-
232 AM CDT Thu Apr 13 2023

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM CDT THIS
EVENING FOR THE COMBINATION OF LOW RELATIVE HUMDITIES AND BREEZY 
WINDS ACROSS SOUTHERN AND EAST CENTRAL MINNESOTA...

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. 

* WIND...South to between 15 and 25 mph with gusts of 30 to 35 
  mph. 

* HUMIDITY...Dropping in the afternoon to around 20 percent.

* 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.

&&

$$

2 follow-up statements

338 
WWUS83 KMPX 131909
RFWMPX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
209 PM CDT Thu Apr 13 2023

...CRITICAL FIRE WEATHER CONDITIONS LIKELY THIS AFTERNOON FOR 
SOUTH CENTRAL, EAST CENTRAL, AND SOUTHEAST MINNESOTA...

.Temperatures are already in the 80s with a few hours of prime
heating conditions left this afternoon, with relatively humidity
values already in the upper teens to mid 20s. Winds are gusting 
to 20-30mph and will continue to do so, primarily out of the 
south. Any fires that form will have the ability to quickly 
spread this afternoon and evening.

MNZ060>063-067>070-074>078-082>085-091>093-140100-
/O.CON.KMPX.FW.W.0002.000000T0000Z-230414T0100Z/
Hennepin-Anoka-Ramsey-Washington-Sibley-Carver-Scott-Dakota-Brown-
Nicollet-Le Sueur-Rice-Goodhue-Watonwan-Blue Earth-Waseca-Steele-
Martin-Faribault-Freeborn-
209 PM CDT Thu Apr 13 2023

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING
FOR THE COMBINATION OF LOW RELATIVE HUMDITIES AND BREEZY WINDS
ACROSS SOUTHERN AND EAST CENTRAL MINNESOTA...

* WIND...South to between 15 and 25 mph with gusts of 30 to 35 
  mph. 

* HUMIDITY...Dropping in the afternoon to around 20 percent.

* 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.

&&

$$

060 
WWUS83 KMPX 140112
RFWMPX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
812 PM CDT Thu Apr 13 2023

MNZ060>063-067>070-074>078-082>085-091>093-140215-
/O.EXP.KMPX.FW.W.0002.000000T0000Z-230414T0100Z/
Hennepin-Anoka-Ramsey-Washington-Sibley-Carver-Scott-Dakota-Brown-
Nicollet-Le Sueur-Rice-Goodhue-Watonwan-Blue Earth-Waseca-Steele-
Martin-Faribault-Freeborn-
812 PM CDT Thu Apr 13 2023

...RED FLAG WARNING HAS EXPIRED FOR THE COMBINATION OF LOW 
RELATIVE HUMDITIES AND BREEZY WINDS ACROSS SOUTHERN AND EAST 
CENTRAL MINNESOTA...

$$

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 12, 9:38 PM CDT	River Flood Warning	MPX	Sherburne, Stearns, Wright	21 days
Apr 12, 9:40 PM CDT	River Flood Warning	MPX	Kanabec	10 days
Apr 12, 9:46 PM CDT	River Flood Warning	MPX	Anoka, Hennepin	21 days
Apr 12, 9:47 PM CDT	River Flood Warning	MPX	Anoka, Hennepin	21 days
Apr 12, 10:15 PM CDT	River Flood Warning	MPX	Todd	5 days
Apr 13, 11:11 AM CDT	River Flood Warning	MPX	Chippewa, Renville, Yellow Medicine	23 days
Apr 13, 11:11 AM CDT	River Flood Warning	MPX	Blue Earth, Brown, Nicollet	18 days
Apr 13, 11:11 AM CDT	River Flood Warning	MPX	Hennepin, Wright	17 days
Apr 13, 11:11 AM CDT	River Flood Warning	MPX	Hennepin, Wright	21 days
Apr 13, 11:11 AM CDT	River Flood Warning	MPX	Carver, Dakota, Hennepin, Scott	23 days
Apr 13, 6:18 PM CDT	River Flood Warning	MPX	Stearns	14 days

Nearby

Red Flag Warnings in Minnesota, 2023 Every 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.