Alert archive / Minnesota / Fire Weather Watches in 2021

Fire Weather Watch 3, NWS Twin Cities, MN

June 17, 202126 counties in Minnesota; 4 counties in Wisconsin

NWS Twin Cities, MN issued this fire weather watch at Jun 17, 2021, 3:54 PM CDT for 26 counties in Minnesota; 4 counties in Wisconsin. It took effect at Jun 18, 2021, 12:00 PM CDT. It was in force for .

The area

The counties it named.

The facts

Issued
Jun 17, 2021, 3:54 PM CDT (20:54 UTC)
In effect from
Jun 18, 2021, 12:00 PM CDT
Expired
Jun 18, 2021, 3:21 AM CDT
In force
Issued by
NWS Twin Cities, MN
All 30 counties

Anoka County, MN, Benton County, MN, Carver County, MN, Chippewa County, MN, Chisago County, MN, Douglas County, MN, Hennepin County, MN, Isanti County, MN, Kanabec County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, McLeod County, MN, Meeker County, MN, Mille Lacs County, MN, Morrison County, MN, Pope County, MN, Ramsey County, MN, Renville County, MN, Sherburne County, MN, Stearns County, MN, Stevens County, MN, Swift County, MN, Todd County, MN, Washington County, MN, Wright County, MN, Yellow Medicine County, MN, Barron County, WI, Polk County, WI, Rusk County, WI, Saint Croix County, WI

The radar

The Minneapolis radar (KMPX), 68 km from the middle of the area, began a volume at 20:58 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, 8.9 hours before the alert went out and 66 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 2021-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 288 joules per kilogram.LCLLFCEL10008507005003002001001 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 2021-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 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
288 J/kg
Mixed-layer CIN
-583 J/kg
Mixed-layer LCL
1902 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
223 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.0

Open this sounding in Storm Lab

The text

As transmitted.

312 
WWUS83 KMPX 172054
RFWMPX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
354 PM CDT Thu Jun 17 2021

...CRITICAL FIRE WEATHER CONDITIONS POSSIBLE FRIDAY AFTERNOON...

.West winds 15 to 20 mph with gusts around 30 mph, afternoon 
humidity around 20 percent, and the ongoing drought will result 
in possible critical fire weather conditions Friday afternoon.

MNZ041>045-047>066-068-180930-
/O.NEW.KMPX.FW.A.0003.210618T1700Z-210619T0000Z/
Douglas-Todd-Morrison-Mille Lacs-Kanabec-Stevens-Pope-Stearns-
Benton-Sherburne-Isanti-Chisago-Lac Qui Parle-Swift-Chippewa-
Kandiyohi-Meeker-Wright-Hennepin-Anoka-Ramsey-Washington-
Yellow Medicine-Renville-McLeod-Carver-
354 PM CDT Thu Jun 17 2021

...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH
FRIDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR CENTRAL
MINNESOTA...

The National Weather Service in Twin Cities/Chanhassen has issued
a Fire Weather Watch, which is in effect from Friday afternoon
through Friday evening. 

* AFFECTED AREA...Central Minnesota. 

* WIND...West 15 to 20 mph with frequent gusts around 30 mph.

* HUMIDITY...Around 20 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.

&&

$$

WIZ014>016-023-180930-
/O.NEW.KMPX.FW.A.0003.210618T1700Z-210619T0000Z/
Polk-Barron-Rusk-St. Croix-
354 PM CDT Thu Jun 17 2021

...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH
FRIDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR NORTHWEST
WISCONSIN...

The National Weather Service in Twin Cities/Chanhassen has issued
a Fire Weather Watch, which is in effect from Friday afternoon
through Friday evening. 

* AFFECTED AREA...Polk, Barron, Rusk, and St Croix counties. 

* WIND...West 15 to 20 mph with frequent gusts around 30 mph.

* HUMIDITY...Around 20 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.

&&

$$

Borghoff
1 follow-up statement
127 
WWUS83 KMPX 180821
RFWMPX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
321 AM CDT Fri Jun 18 2021

...CRITICAL FIRE WEATHER CONDITIONS EXPECTED THIS AFTERNOON AND
EVENING ACROSS MUCH OF CENTRAL MINNESOTA AND WEST CENTRAL
WISCONSIN DUE TO VERY LOW RELATIVE HUMIDITY AND BREEZY WINDS...

.West winds 15 to 20 mph with gusts around 30 mph, afternoon
humidity around 20 percent, and the ongoing drought, will result
in critical fire weather conditions Friday afternoon.

MNZ041>045-047>066-068-181630-
/O.UPG.KMPX.FW.A.0003.210618T1700Z-210619T0000Z/
/O.NEW.KMPX.FW.W.0005.210618T1700Z-210619T0000Z/
Douglas-Todd-Morrison-Mille Lacs-Kanabec-Stevens-Pope-Stearns-
Benton-Sherburne-Isanti-Chisago-Lac Qui Parle-Swift-Chippewa-
Kandiyohi-Meeker-Wright-Hennepin-Anoka-Ramsey-Washington-
Yellow Medicine-Renville-McLeod-Carver-
321 AM CDT Fri Jun 18 2021

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS
EVENING FOR VERY LOW RELATIVE HUMIDITY AND BREEZY WINDS OVER MUCH
OF 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. The Fire Weather Watch is no longer in effect. 


* AFFECTED AREA...Much of central Minnesota.

* WIND...West 15 to 20 mph with frequent gusts around 30 mph.

* HUMIDITY...Around 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.

&&

$$

WIZ014>016-023-181630-
/O.UPG.KMPX.FW.A.0003.210618T1700Z-210619T0000Z/
/O.NEW.KMPX.FW.W.0005.210618T1700Z-210619T0000Z/
Polk-Barron-Rusk-St. Croix-
321 AM CDT Fri Jun 18 2021

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS 
EVENING FOR VERY LOW RELATIVE HUMIDITY AND BREEZY WINDS OVER MUCH 
AND WEST CENTRAL WISCONSIN...

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. The Fire Weather Watch is no longer in effect. 


* AFFECTED AREA...Polk, Barron, Rusk, and St Croix counties.

* WIND...West 15 to 20 mph with frequent gusts around 30 mph.

* HUMIDITY...Around 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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 2:58 AM CDTSpecial Weather StatementMPXFreeborn32 min
Jun 17, 6:38 PM CDTSevere Thunderstorm WarningMPXLe Sueur, Rice, Scott52 min
Jun 17, 3:21 AM CDTSpecial Weather StatementMPXPepin39 min
Jun 17, 4:12 AM CDTSpecial Weather StatementMPXEau Claire33 min
Jun 17, 6:18 PM CDTSevere Thunderstorm WarningMPXDunn, Eau Claire, Pepin27 min
Jun 17, 6:20 PM CDTSevere Thunderstorm WarningMPXChippewa, Eau Claire55 min
Jun 17, 6:40 PM CDTSevere Thunderstorm WarningMPXEau Claire35 min

Nearby

Fire Weather Watches in Minnesota, 2021Fire Weather Watches in Wisconsin, 2021Every fire weather watch in 2021

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.