Alert archive / Minnesota / Red Flag Warnings in 2015

Red Flag Warning 7, NWS Twin Cities, MN

April 11, 20158 counties in Minnesota

NWS Twin Cities, MN issued this red flag warning at Apr 11, 2015, 2:13 AM CDT for 8 counties in Minnesota. It took effect at Apr 11, 2015, 1:00 PM CDT. 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
Apr 11, 2015, 2:13 AM CDT (07:13 UTC)
In effect from
Apr 11, 2015, 1:00 PM CDT
Expired
Apr 11, 2015, 8:00 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, Redwood County, MN, Stevens County, MN, Swift County, MN, Yellow Medicine County, MN

The radar

The Minneapolis radar (KMPX), 170 km from the middle of the area, began a volume at 07:14 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, 7.2 hours before the alert went out and 168 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 2015-04-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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 00:00Z on 2015-04-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 161 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
2 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
1713 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
161 m²/s²
0-3 km storm-relative helicity
216 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

562 
WWUS83 KMPX 110713
RFWMPX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
213 AM CDT SAT APR 11 2015

...RED FLAG CONDITIONS THIS AFTERNOON AND EARLY EVENING
FOR PORTIONS OF WEST CENTRAL AND SOUTHWEST MINNESOTA...

.THE COMBINATION OF STRONG WINDS...WARM TEMPERATURES AND LOW
HUMIDITY LEVELS WILL LEAD TO CRITICAL FIRE WEATHER CONDITIONS
THIS AFTERNOON AND EARLY EVENING.

MNZ047-048-054>056-064-111600-
/O.UPG.KMPX.FW.A.0006.150411T1800Z-150412T0100Z/
/O.NEW.KMPX.FW.W.0007.150411T1800Z-150412T0100Z/
STEVENS-POPE-LAC QUI PARLE-SWIFT-CHIPPEWA-YELLOW MEDICINE-
213 AM CDT SAT APR 11 2015

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM
CDT THIS EVENING FOR LOW HUMIDITY LEVELS AND STRONG WINDS...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A RED FLAG WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON
TO 8 PM CDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN
EFFECT. 

* AFFECTED AREA...FIRE WEATHER ZONES 047...048...054...055... 
  056 AND 064. 

* WIND...20 TO 30 MPH...WITH GUSTS OF 35 TO 40 MPH. 

* HUMIDITY...LOWEST HUMIDITY LEVELS AROUND 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.

&&

$$

MNZ041-073-111600-
/O.NEW.KMPX.FW.W.0007.150411T1800Z-150412T0100Z/
DOUGLAS-REDWOOD-
213 AM CDT SAT APR 11 2015

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM
CDT THIS EVENING FOR LOW HUMIDITY LEVELS AND STRONG WINDS...
 
THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A RED FLAG WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON
TO 8 PM CDT THIS EVENING.

* AFFECTED AREA...FIRE WEATHER ZONES 041 AND 073. 

* WIND...20 TO 30 MPH...WITH GUSTS OF 35 TO 40 MPH. 

* HUMIDITY....LOWEST HUMIDITY LEVELS AROUND 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.

&&

$$

JLT
2 follow-up statements
912 
WWUS83 KMPX 111551
RFWMPX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1051 AM CDT SAT APR 11 2015

...RED FLAG CONDITIONS THIS AFTERNOON AND EARLY EVENING FOR
PORTIONS OF WEST CENTRAL AND SOUTHWEST MINNESOTA...

.THE COMBINATION OF STRONG WINDS...WARM TEMPERATURES AND LOW
HUMIDITY LEVELS WILL LEAD TO CRITICAL FIRE WEATHER CONDITIONS
THIS AFTERNOON AND EARLY EVENING.

MNZ041-047-048-054>056-064-073-120000-
/O.CON.KMPX.FW.W.0007.150411T1800Z-150412T0100Z/
DOUGLAS-STEVENS-POPE-LAC QUI PARLE-SWIFT-CHIPPEWA-YELLOW MEDICINE-
REDWOOD-
1051 AM CDT SAT APR 11 2015

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING
FOR DRY...WINDY CONDITIONS FOR FIRE WEATHER ZONES
041...047...048... 054...055...056...064 AND 073...

* AFFECTED AREA...FIRE WEATHER ZONES 041...047...048...054... 
  055...056...064 AND 073. 

* WIND...20 TO 30 MPH...WITH GUSTS 35 TO 40 MPH.

* HUMIDITY...LOWEST HUMIDITY LEVELS AROUND 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.

&&

$$

JRB
670 
WWUS83 KMPX 120104
RFWMPX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
804 PM CDT SAT APR 11 2015

MNZ041-047-048-054>056-064-073-120215-
/O.EXP.KMPX.FW.W.0007.000000T0000Z-150412T0100Z/
DOUGLAS-STEVENS-POPE-LAC QUI PARLE-SWIFT-CHIPPEWA-YELLOW MEDICINE-
REDWOOD-
804 PM CDT SAT APR 11 2015

...RED FLAG WARNING HAS EXPIRED FOR DRY...WINDY CONDITIONS FOR
FIRE WEATHER ZONES 041...047...048... 054...055...056...064 AND
073...

$$

BORGHOFF

Nearby

Red Flag Warnings in Minnesota, 2015Every red flag warning in 2015

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.