Alert archive / Minnesota / Red Flag Warnings in 2017

Red Flag Warning 3, NWS Twin Cities, MN

November 28, 201740 counties in Minnesota

NWS Twin Cities, MN issued this red flag warning at Nov 28, 2017, 12:39 PM CST for 40 counties in Minnesota. It was in force for 4 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
Nov 28, 2017, 12:39 PM CST (18:39 UTC)
Expired
Nov 28, 2017, 5:00 PM CST
In force
4 hr
Issued by
NWS Twin Cities, MN
All 40 counties

Anoka County, MN, Benton County, MN, Blue Earth County, MN, Brown County, MN, Carver County, MN, Chippewa County, MN, Chisago County, MN, Dakota County, MN, Faribault County, MN, Freeborn County, MN, Goodhue County, MN, Hennepin County, MN, Isanti County, MN, Kanabec County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, Le Sueur County, MN, Martin County, MN, McLeod County, MN, Meeker County, MN, Mille Lacs County, MN, Morrison County, MN, Nicollet County, MN, Pope County, MN, Ramsey County, MN, Redwood County, MN, Renville County, MN, Rice County, MN, Scott County, MN, Sherburne County, MN, Sibley County, MN, Stearns County, MN, Steele County, MN, Stevens County, MN, Swift County, MN, Waseca County, MN, Washington County, MN, Watonwan County, MN, Wright County, MN, Yellow Medicine County, MN

The radar

The Minneapolis radar (KMPX), 46 km from the middle of the area, began a volume at 18:42 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, 6.7 hours before the alert went out and 43 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 2017-11-28Temperature 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 12:00Z on 2017-11-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -235 square meters per square second.1939587897117136Sfc1 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
1620 m above ground
0-6 km bulk shear
79 kt
0-1 km storm-relative helicity
-235 m²/s²
0-3 km storm-relative helicity
-96 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

227 
WWUS83 KMPX 281839
RFWMPX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
1239 PM CST Tue Nov 28 2017

...RED FLAG WARNING THIS AFTERNOON FOR WESTERN MINNESOTA...

.A Red Flag Warning has been issued until 5 PM CST for western 
Minnesota. Northwest winds of 20 mph with gusts to around 35 or 
40 mph are expected as humidity levels drop to less than 25
percent this afternoon. 

MNZ043-047>050-054>058-064-065-073-074-082-282300-
/O.NEW.KMPX.FW.W.0003.171128T1839Z-171128T2300Z/
Morrison-Stevens-Pope-Stearns-Benton-Lac Qui Parle-Swift-Chippewa-
Kandiyohi-Meeker-Yellow Medicine-Renville-Redwood-Brown-Watonwan-
1239 PM CST Tue Nov 28 2017

...RED FLAG WARNING IN EFFECT UNTIL 5 PM CST THIS AFTERNOON FOR
FOR FIRE WEATHER ZONES 043, 047, 048, 049, 050, 054, 055, 056, 
057, 058, 064, 065, 073, 074, AND 082...

The National Weather Service in Twin Cities/Chanhassen has issued
a Red Flag Warning, which is in effect until 5 PM CST this
afternoon. 

* AFFECTED AREA...Fire weather zones 043, 047, 048, 049, 050, 
  054, 055, 056, 057, 058, 064, 065, 073, 074, and 082. 

* WIND...northwest 20 mph with gusts of 35 to 40 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.

&&

$$
1 follow-up statement
363 
WWUS83 KMPX 281934
RFWMPX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
134 PM CST Tue Nov 28 2017

...RED FLAG WARNING THIS AFTERNOON FOR MOST OF CENTRAL AND
SOUTHERN MINNESOTA...

.A Red Flag Warning has been expanded eastward to include east
central and south central Minnesota until 5 PM CST. Northwest 
winds of 20 mph with gusts to around 35 or 40 mph are expected as 
humidity levels drop to less than 25 percent this afternoon.

MNZ044-045-051>053-059>063-066>070-075>078-083>085-091>093-282300-
/O.EXA.KMPX.FW.W.0003.000000T0000Z-171128T2300Z/
Mille Lacs-Kanabec-Sherburne-Isanti-Chisago-Wright-Hennepin-Anoka-
Ramsey-Washington-McLeod-Sibley-Carver-Scott-Dakota-Nicollet-
Le Sueur-Rice-Goodhue-Blue Earth-Waseca-Steele-Martin-Faribault-
Freeborn-
134 PM CST Tue Nov 28 2017

...RED FLAG WARNING IN EFFECT UNTIL 5 PM CST THIS AFTERNOON FOR
LOW HUMIDITY AND STRONG WINDS FOR FIRE WEATHER ZONES 044, 045, 
051, 052, 053, 059, 060, 061, 062, 063, 066, 067, 068, 069, 070, 
075, 076, 077, 078, 083, 084, 085, 091, 092, AND 093...

The National Weather Service in Twin Cities/Chanhassen has issued
a Red Flag Warning, which is in effect until 5 PM CST this
afternoon. 

* AFFECTED AREA...Fire weather zones 043, 047, 048, 049, 050, 
  054, 055, 056, 057, 058, 064, 065, 073, 074, and 082. 

* WIND...northwest 20 mph with gusts of 35 to 40 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.

&&

$$

MNZ043-047>050-054>058-064-065-073-074-082-282300-
/O.CON.KMPX.FW.W.0003.000000T0000Z-171128T2300Z/
Morrison-Stevens-Pope-Stearns-Benton-Lac Qui Parle-Swift-Chippewa-
Kandiyohi-Meeker-Yellow Medicine-Renville-Redwood-Brown-Watonwan-
134 PM CST Tue Nov 28 2017

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM CST THIS
AFTERNOON FOR LOW HUMIDITY AND STRONG WINDS FOR FIRE WEATHER 
ZONES 043, 047, 048, 049, 050, 054, 055, 056, 057, 058, 064, 065, 
073, 074, AND 082...

* AFFECTED AREA...Fire weather zones 043, 047, 048, 049, 050, 
  054, 055, 056, 057, 058, 064, 065, 073, 074, and 082. 

* WIND...northwest 20 mph with gusts of 35 to 40 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.

&&

$$

Borghoff

Nearby

Red Flag Warnings in Minnesota, 2017Every red flag warning in 2017

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.