Alert archive / Minnesota / Red Flag Warnings in 2024

Red Flag Warning 6, NWS Twin Cities, MN

April 15, 20245 counties in Minnesota

NWS Twin Cities, MN issued this red flag warning at Apr 15, 2024, 3:56 AM CDT for 5 counties in Minnesota. It took effect at Apr 15, 2024, 11:00 AM 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
Apr 15, 2024, 3:56 AM CDT (08:56 UTC)
In effect from
Apr 15, 2024, 11:00 AM CDT
Expired
Apr 15, 2024, 8:00 PM CDT
In force
9 hr
Issued by
NWS Twin Cities, MN

Counties Brown County, MN, Martin County, MN, Redwood County, MN, Watonwan County, MN, Yellow Medicine County, MN

The radar

The Minneapolis radar (KMPX), 135 km from the middle of the area, began a volume at 08:56 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, 8.9 hours before the alert went out and 132 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 2024-04-15Temperature 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 2024-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 square meters per square second.1939587897Sfc1 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
3335 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
76 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

817 
WWUS83 KMPX 150856
RFWMPX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
356 AM CDT Mon Apr 15 2024

...CRITICAL FIRE WEATHER CONDITIONS ACROSS SOUTHERN AND WESTERN
MINNESOTA MONDAY...

.Today will be another day with low humidity as east winds
increase across southwest Minnesota. These winds combined with 
continued dry air could create critical fire weather conditions. A  
Red Flag Warning has been issued from 11 AM to 8 PM today.

MNZ064-073-074-082-091-152000-
/O.UPG.KMPX.FW.A.0005.240415T1600Z-240416T0200Z/
/O.NEW.KMPX.FW.W.0006.240415T1600Z-240416T0100Z/
Yellow Medicine-Redwood-Brown-Watonwan-Martin-
356 AM CDT Mon Apr 15 2024

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT
THIS EVENING FOR BREEZY EASTERLY WINDS AND LOW HUMIDITY FOR FIRE 
WEATHER ZONES 064, 073, 074, 082, AND 091...

The National Weather Service in Twin Cities/Chanhassen has issued
a Red Flag Warning, which is in effect from 11 AM this morning to
8 PM CDT this evening. The Fire Weather Watch is no longer in
effect. 

* WIND... Southeast 15 to 25 mph with gusts up to 30 mph.

* HUMIDITY...Ranging from the upper teens to low 20s.

* 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.

&&

$$

jrb
1 follow-up statement
414 
WWUS83 KMPX 152031
RFWMPX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
331 PM CDT Mon Apr 15 2024

...CRITICAL FIRE WEATHER CONDITIONS ACROSS SOUTHERN AND WESTERN
MINNESOTA MONDAY...

.Relative humidity values have fallen into the low 20s this
afternoon with wind gusts of 20-30 MPH. These conditions will
continue into early this evening.

MNZ064-073-074-082-091-160100-
/O.CON.KMPX.FW.W.0006.000000T0000Z-240416T0100Z/
Yellow Medicine-Redwood-Brown-Watonwan-Martin-
331 PM CDT Mon Apr 15 2024

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING
FOR BREEZY EASTERLY WINDS AND LOW HUMIDITY FOR SOUTHWESTERN
MINNESOTA...

* WIND... Southeast 15 to 25 mph with gusts up to 30 mph.

* HUMIDITY...Ranging from the upper teens to low 20s.

* 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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 15, 3:26 PM CDTWind AdvisoryMPXAnoka, Blue Earth, Brown, Carver, Chippewa, Dakota and 29 more28 hr

Nearby

Red Flag Warnings in Minnesota, 2024Every red flag warning in 2024

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.