Alert archive / Minnesota / Red Flag Warnings in 2023

Red Flag Warning 5, NWS Twin Cities, MN

May 28, 20238 counties in Minnesota

NWS Twin Cities, MN issued this red flag warning at May 28, 2023, 2:37 AM CDT for 8 counties in Minnesota. It took effect at May 28, 2023, 12:00 PM CDT. It was in force for 9 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 28, 2023, 2:37 AM CDT (07:37 UTC)
In effect from
May 28, 2023, 12:00 PM CDT
Expired
May 28, 2023, 9:00 PM CDT
In force
9 hr
Issued by
NWS Twin Cities, MN

Counties Chippewa County, MN, Douglas County, MN, Lac qui Parle County, MN, Pope County, MN, Stevens County, MN, Swift County, MN, Todd County, MN, Yellow Medicine County, MN

The radar

The Minneapolis radar (KMPX), 174 km from the middle of the area, began a volume at 07:37 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, 7.6 hours before the alert went out and 171 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 2023-05-28Temperature 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 2023-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -19 square meters per square second.1939Sfc1 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
3783 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-19 m²/s²
0-3 km storm-relative helicity
3 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

524 
WWUS83 KMPX 280737
RFWMPX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
237 AM CDT Sun May 28 2023

...RED FLAG WARNING THIS AFTERNOON AND EVENING FOR PORTIONS OF 
WEST-CENTRAL MINNESOTA...

.Winds today will be out of the south at 15 to 20 mph with gusts 
to 25 mph. These winds combined with relative humidity values as 
low as 10 to 15 percent will result in critical fire weather 
conditions this afternoon. Any fires that form will have the 
potential to spread quickly. 

MNZ041-042-047-048-054>056-064-281545-
/O.UPG.KMPX.FW.A.0003.230528T1800Z-230529T0200Z/
/O.NEW.KMPX.FW.W.0005.230528T1700Z-230529T0200Z/
Douglas-Todd-Stevens-Pope-Lac Qui Parle-Swift-Chippewa-
Yellow Medicine-
237 AM CDT Sun May 28 2023

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 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 9 PM
CDT this evening. The Fire Weather Watch is no longer in effect. 

* WIND...South 15 to 20 mph with gusts to 25 mph.

* HUMIDITY...10 to 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.

&&

$$

DPH
2 follow-up statements
956 
WWUS83 KMPX 282059
RFWMPX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
359 PM CDT Sun May 28 2023

...RED FLAG WARNING THIS AFTERNOON AND EVENING FOR PORTIONS OF
WEST-CENTRAL MINNESOTA...

.Winds today will be out of the south at 15 to 20 mph with gusts
to 25 mph. These winds combined with relative humidity values as
low as 10 to 15 percent will result in critical fire weather
conditions this afternoon. Any fires that form will have the
potential to spread quickly.

MNZ041-042-047-048-054>056-064-290200-
/O.CON.KMPX.FW.W.0005.000000T0000Z-230529T0200Z/
Douglas-Todd-Stevens-Pope-Lac Qui Parle-Swift-Chippewa-
Yellow Medicine-
359 PM CDT Sun May 28 2023

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY...

* WIND...South 15 to 20 mph with gusts to 25 mph.

* HUMIDITY...10 to 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.

&&

$$
497 
WWUS83 KMPX 290157
RFWMPX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
857 PM CDT Sun May 28 2023

...RED FLAG WARNING WILL BE ALLOWED TO EXPIRE AT 9 PM...

.Relative humidity values have been rising as temperatures fall
this evening and this will continue into tonight. Winds have also
started to fall some. Conditions could remain near critical for a
few hours after this warning expires, but conditions will continue
to improve tonight.

MNZ041-042-047-048-054>056-064-290300-
/O.EXP.KMPX.FW.W.0005.000000T0000Z-230529T0200Z/
Douglas-Todd-Stevens-Pope-Lac Qui Parle-Swift-Chippewa-
Yellow Medicine-
857 PM CDT Sun May 28 2023

...RED FLAG WARNING WILL EXPIRE AT 9 PM CDT THIS EVENING FOR
GUSTY WINDS AND LOW HUMIDITY...

As winds become lighter and humidity values increase the fire
weather risk will come to an end. There will still be some near
critical fire weather as this expires before that also comes to an
end later tonight.

$$

NDC

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.