Alert archive / Minnesota / Red Flag Warnings in 2023

Red Flag Warning 1, NWS Twin Cities, MN

April 12, 2023Faribault County, Freeborn County, Martin County, Minnesota

NWS Twin Cities, MN issued this red flag warning at Apr 12, 2023, 3:11 AM CDT for Faribault County, Freeborn County, Martin County, Minnesota. It took effect at Apr 12, 2023, 1:00 PM CDT. It was in force for 7 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 12, 2023, 3:11 AM CDT (08:11 UTC)
In effect from
Apr 12, 2023, 1:00 PM CDT
Expired
Apr 12, 2023, 8:00 PM CDT
In force
7 hr
Issued by
NWS Twin Cities, MN

Counties Faribault County, MN, Freeborn County, MN, Martin County, MN

The radar

The Minneapolis radar (KMPX), 134 km from the middle of the area, began a volume at 08:14 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, 8.2 hours before the alert went out and 134 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 2023-04-12Temperature 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 2023-04-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 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
2970 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
162 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

982 
WWUS83 KMPX 120811
RFWMPX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
311 AM CDT Wed Apr 12 2023

...CRITICAL FIRE WEATHER CONDITIONS THIS AFTERNOON AND EVENING
ALONG I-90...

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

MNZ091>093-121615-
/O.NEW.KMPX.FW.W.0001.230412T1800Z-230413T0100Z/
Martin-Faribault-Freeborn-
311 AM CDT Wed Apr 12 2023

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM
CDT THIS EVENING FOR FIRE WEATHER ZONES 091, 092, AND 093...

The National Weather Service in Twin Cities/Chanhassen has issued
a Red Flag Warning, which is in effect from 1 PM this afternoon
to 8 PM CDT this evening. 

* AFFECTED AREA...Fire weather zones 091, 092, and 093.

* WIND...Southwest 20 to 25 mph, gusting to 40 mph.

* HUMIDITY...Dropping to around 25 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
041 
WWUS83 KMPX 121951
RFWMPX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
251 PM CDT Wed Apr 12 2023

...CRITICAL FIRE WEATHER CONDITIONS THIS AFTERNOON AND EVENING
ALONG I-90...

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

.Abnormally warm temperatures have allowed relative humidity 
values to drop to around 25 percent today and they are expected to
fall 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.

MNZ091>093-130400-
/O.NEW.KMPX.FW.A.0001.230413T1700Z-230414T0100Z/
/O.CON.KMPX.FW.W.0001.000000T0000Z-230413T0100Z/
Martin-Faribault-Freeborn-
251 PM CDT Wed Apr 12 2023

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING
FOR THE COMBINATION OF LOW RELATIVE HUMDITIES AND BREEZY WINDS... 
...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH 
THURSDAY EVENING FOR THE COMBINATION OF LOW RELATIVE HUMDITIES AND
BREEZY WINDS...

The National Weather Service in Twin Cities/Chanhassen has issued
a Fire Weather Watch, which is in effect from Thursday afternoon
through Thursday evening. 

* AFFECTED AREA...The Interstate 90 corridor. 

* WIND...Today southwest 20 to 25 mph, gusting to 35 mph. Thursday
  south 20 to 25 mph, gusting to 40 mph.

* HUMIDITY...Today dropping to around 25 percent. Thursday
  afternoon dropping 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.

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.

&&

$$

MNZ060>063-067>070-074>078-082>085-130400-
/O.NEW.KMPX.FW.A.0001.230413T1700Z-230414T0100Z/
Hennepin-Anoka-Ramsey-Washington-Sibley-Carver-Scott-Dakota-Brown-
Nicollet-Le Sueur-Rice-Goodhue-Watonwan-Blue Earth-Waseca-Steele-
251 PM CDT Wed Apr 12 2023

...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING FOR THE COMBINATION OF LOW RELATIVE HUMDITIES AND
BREEZY WINDS...

The National Weather Service in Twin Cities/Chanhassen has issued
a Fire Weather Watch, which is in effect from Thursday afternoon
through Thursday evening. 

* AFFECTED AREA...areas in Minnesota along and southeast of a line
  from New Ulm to Blaine. 

* 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 Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.

&&

$$
298 
WWUS83 KMPX 130116
RFWMPX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
816 PM CDT Wed Apr 12 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.

MNZ091>093-131045-
/O.EXP.KMPX.FW.W.0001.000000T0000Z-230413T0100Z/
/O.CON.KMPX.FW.A.0001.230413T1700Z-230414T0100Z/
Martin-Faribault-Freeborn-
816 PM CDT Wed Apr 12 2023

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH THURSDAY EVENING FOR THE COMBINATION OF LOW RELATIVE
HUMDITIES AND BREEZY WINDS...
...RED FLAG WARNING HAS EXPIRED FOR THE COMBINATION OF LOW 
RELATIVE HUMDITIES AND BREEZY WINDS THIS EVENING...

* AFFECTED AREA...southern Minnesota.

* WIND...South 20 to 25 mph, gusting to 40 mph. 

* HUMIDITY...dropping to around 20 percent Thursday afternoon.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.

&&

$$

MNZ060>063-067>070-074>078-082>085-131045-
/O.CON.KMPX.FW.A.0001.230413T1700Z-230414T0100Z/
Hennepin-Anoka-Ramsey-Washington-Sibley-Carver-Scott-Dakota-Brown-
Nicollet-Le Sueur-Rice-Goodhue-Watonwan-Blue Earth-Waseca-Steele-
816 PM CDT Wed Apr 12 2023

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH THURSDAY EVENING FOR THE COMBINATION OF LOW RELATIVE HUMDITIES AND
BREEZY WINDS ACROSS SOUTHERN AND EAST CENTRAL MINNESOTA...

* AFFECTED AREA...Along and southeast of a line from New Ulm to 
  Blaine. 

* 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 Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.

&&

$$

Borghoff

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 11, 9:40 PM CDTRiver Flood WarningMPXLac qui Parle24 hr
Apr 12, 11:17 AM CDTRiver Flood WarningMPXChippewa, Lac qui Parle, Yellow Medicine35 days
Apr 12, 2:51 PM CDTFire Weather WatchMPXAnoka, Blue Earth, Brown, Carver, Dakota, Faribault and 14 more12 hr

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.