Alert archive / Minnesota / Red Flag Warnings in 2020

Red Flag Warning 3, NWS Twin Cities, MN

October 6, 20208 counties in Minnesota

NWS Twin Cities, MN issued this red flag warning at Oct 6, 2020, 3:26 AM CDT for 8 counties in Minnesota. It took effect at Oct 6, 2020, 12:00 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
Oct 6, 2020, 3:26 AM CDT (08:26 UTC)
In effect from
Oct 6, 2020, 12:00 PM CDT
Expired
Oct 6, 2020, 7:00 PM CDT
In force
7 hr
Issued by
NWS Twin Cities, MN

Counties Blue Earth County, MN, Brown County, MN, Faribault County, MN, Lac qui Parle County, MN, Martin County, MN, Redwood County, MN, Watonwan County, MN, Yellow Medicine County, MN

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 8.4 hours before the alert went out and 125 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 2020-10-06Temperature 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 2020-10-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 201 square meters per square second.19395878Sfc1 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
2142 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
201 m²/s²
0-3 km storm-relative helicity
235 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

342 
WWUS83 KMPX 060826
RFWMPX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
326 AM CDT Tue Oct 6 2020

...Critical Fire Weather Conditions Today Across Southwestern and
Portions of South Central Minnesota...

.Dry and breezy conditions are expected today over southwestern
and far south central Minnesota. Sustained westerly winds of 20 
to 25 mph with gusts to near 40 mph are likely. Relative humidity 
levels will drop as low as 20 to 25 percent. The Red Flag Warning 
is in effect for locations along and south of the Minnesota River 
in southwestern and far south central Minnesota.

MNZ054-064-073-074-082-083-091-092-061700-
/O.NEW.KMPX.FW.W.0003.201006T1700Z-201007T0000Z/
Lac Qui Parle-Yellow Medicine-Redwood-Brown-Watonwan-Blue Earth-
Martin-Faribault-
326 AM CDT Tue Oct 6 2020

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS
EVENING FOR STRONG WINDS AND LOW HUMIDITY FOR SOUTHWESTERN AND FAR
SOUTH CENTRAL MINNESOTA...

The National Weather Service in Twin Cities/Chanhassen has issued
a Red Flag Warning, which is in effect from noon today to 7 PM
CDT this evening. 

* AFFECTED AREA...Lac Qui Parle, Yellow Medicine, Redwood, Brown,
  Watonwan, Blue Earth, Martin and Faribault counties.
 
* WIND...West sustained 20 to 25 mph, with gusts to near 40 mph.

* HUMIDITY...As low as 20 to 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
430 
WWUS83 KMPX 061544
RFWMPX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
1044 AM CDT Tue Oct 6 2020

...Critical Fire Weather Conditions Today Across Southwestern and
Portions of South Central Minnesota...

.Dry and breezy conditions are expected today over southwestern
and far south central Minnesota. Sustained westerly winds of
20 to 25 mph with gusts to near 40 mph are likely. Relative
humidity levels will drop as low as 20 to 25 percent. The Red
Flag Warning is in effect for locations along and south of the
Minnesota River in southwestern and far south central Minnesota.

MNZ054-064-073-074-082-083-091-092-070000-
/O.CON.KMPX.FW.W.0003.201006T1700Z-201007T0000Z/
Lac Qui Parle-Yellow Medicine-Redwood-Brown-Watonwan-Blue Earth-
Martin-Faribault-
1044 AM CDT Tue Oct 6 2020

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING
FOR STRONG WINDS AND LOW HUMIDITY FOR SOUTHWESTERN AND FAR SOUTH
CENTRAL MINNESOTA...

* AFFECTED AREA...Lac Qui Parle, Yellow Medicine, Redwood, 
  Brown,Watonwan, Blue Earth, Martin and Faribault counties. 

* WIND...West sustained 20 to 25 mph, with gusts to near 40 mph.

* HUMIDITY...As low as 20 to 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.

&&

$$
647 
WWUS83 KMPX 062350
RFWMPX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
650 PM CDT Tue Oct 6 2020

MNZ054-064-073-074-082-083-091-092-070100-
/O.EXP.KMPX.FW.W.0003.000000T0000Z-201007T0000Z/
Lac Qui Parle-Yellow Medicine-Redwood-Brown-Watonwan-Blue Earth-
Martin-Faribault-
650 PM CDT Tue Oct 6 2020

...RED FLAG WARNING WILL EXPIRE AT 7 PM CDT THIS EVENING FOR
STRONG WINDS AND LOW HUMIDITY FOR SOUTHWESTERN AND FAR SOUTH
CENTRAL MINNESOTA...

$$

Borghoff

Nearby

Red Flag Warnings in Minnesota, 2020Every red flag warning in 2020

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.