Alert archive / Minnesota / Red Flag Warnings in 2023

Red Flag Warning 4, NWS Twin Cities, MN

May 27, 20238 counties in Minnesota

NWS Twin Cities, MN issued this red flag warning at May 27, 2023, 1:33 PM CDT for 8 counties in Minnesota. 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
May 27, 2023, 1:33 PM CDT (18:33 UTC)
Expired
May 27, 2023, 9:00 PM CDT
In force
7 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 18:37 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 12:00Z, 6.6 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 12:00Z on 2023-05-27Temperature 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 12:00Z on 2023-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -28 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
2562 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
-28 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.

171 
WWUS83 KMPX 271833
RFWMPX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
133 PM CDT Sat May 27 2023

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

...FIRE WEATHER WATCH FOR PORTIONS OF WEST-CENTRAL AND WESTERN
MINNESOTA FOR SIMILAR CONDITIONS ON SUNDAY...

.Winds remain steady out of the south at 10-15mph with gusts from
20-25mph at times as humidities have fallen into the upper teens
to lower 20s due to low dew points and warm temperatures. Critical
fire weather conditions are expected and any fires that form will
have the ability spread quickly. Similar conditions are expected
on Sunday in a similar airmass, thus a Fire Weather Watch has been
issued for tomorrow as well.

MNZ041-042-047-048-054>056-064-280200-
/O.NEW.KMPX.FW.W.0004.230527T1833Z-230528T0200Z/
/O.NEW.KMPX.FW.A.0003.230528T1800Z-230529T0200Z/
Douglas-Todd-Stevens-Pope-Lac Qui Parle-Swift-Chippewa-
Yellow Medicine-
133 PM CDT Sat May 27 2023

...RED FLAG WARNING IN EFFECT UNTIL 9 PM CDT THIS EVENING FOR LOW
RELATIVE HUMIDITY AND SUSTAINED WINDS IN WEST-CENTRAL AND WESTERN
MINNESOTA... 
...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH 
SUNDAY EVENING FOR LOW RELATIVE HUMIDITY AND SUSTAINED WINDS IN 
WEST-CENTRAL AND WESTERN MINNESOTA...

The National Weather Service in Twin Cities/Chanhassen has issued
a Red Flag Warning, which is in effect until 9 PM CDT this
evening. a Fire Weather Watch has also been issued. This Fire
Weather Watch is in effect from Sunday afternoon through Sunday
evening. 

* AFFECTED AREA...West-central and western Minnesota.

* WIND...South 10 to 15 mph with gusts 20 to 25 mph.

* HUMIDITY...15 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.

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

&&

$$
1 follow-up statement
576 
WWUS83 KMPX 280226
RFWMPX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
926 PM CDT Sat May 27 2023

...FIRE WEATHER WATCH SUNDAY AFTERNOON AND EVENING FOR PORTIONS 
OF WEST-CENTRAL AND CENTRAL MINNESOTA...

.Winds on Sunday will be out of the south at 15 to 20 mph with 
gusts of 25 mph at times. Humidities are expected to be in the 
upper teens to lower 20s due to very dry air and warm 
temperatures. Critical fire weather conditions are possible and 
any fires that form will have the ability spread quickly. 
Therefore a Fire Weather Watch has been issued for Sunday
afternoon and evening.

MNZ041-042-047-048-054>056-064-281100-
/O.EXP.KMPX.FW.W.0004.000000T0000Z-230528T0200Z/
/O.CON.KMPX.FW.A.0003.230528T1800Z-230529T0200Z/
Douglas-Todd-Stevens-Pope-Lac Qui Parle-Swift-Chippewa-
Yellow Medicine-
926 PM CDT Sat May 27 2023

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON
THROUGH SUNDAY EVENING FOR LOW RELATIVE HUMIDITY AND SUSTAINED
WINDS IN PORTIONS OF WEST-CENTRAL AND CENTRAL MINNESOTA...

* AFFECTED AREA...Portions of west-central and central Minnesota.

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

* HUMIDITY...15 to 25 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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 1:33 PM CDTFire Weather WatchMPXChippewa, Douglas, Lac qui Parle, Pope, Stevens, Swift and 2 more13 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.