Alert archive / Minnesota / Red Flag Warnings in 2015

Red Flag Warning 3, NWS Twin Cities, MN

March 30, 20155 counties in Minnesota

NWS Twin Cities, MN issued this red flag warning at Mar 30, 2015, 4:22 AM CDT for 5 counties in Minnesota. It took effect at Mar 30, 2015, 12:00 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
Mar 30, 2015, 4:22 AM CDT (09:22 UTC)
In effect from
Mar 30, 2015, 12:00 PM CDT
Expired
Mar 30, 2015, 7:00 PM CDT
In force
7 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 09:27 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, 9.4 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 2015-03-30Temperature 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 2015-03-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1908 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
80 m²/s²
0-3 km storm-relative helicity
75 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.

968 
WWUS83 KMPX 300922
RFWMPX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
422 AM CDT MON MAR 30 2015

...RED FLAG WARNING IN EFFECT THIS AFTERNOON FOR SOUTHWEST
MINNESOTA...

.THE COMBINATION OF LOW HUMIDITY AND STRONG WEST NORTHWEST WINDS
THIS AFTERNOON WILL LEAD TO CRITICAL FIRE WEATHER CONDITIONS. 

MNZ064-073-074-082-091-301730-
/O.NEW.KMPX.FW.W.0003.150330T1700Z-150331T0000Z/
YELLOW MEDICINE-REDWOOD-BROWN-WATONWAN-MARTIN-
422 AM CDT MON MAR 30 2015

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS
EVENING FOR STRONG 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 NOON TODAY TO 7 PM
CDT THIS EVENING. 

* AFFECTED AREA...FIRE WEATHER ZONES 064...073...074...082 AND 
  091. MAINLY SOUTH OF A LINE FROM GRANITE FALLS TO NEW ULM AND 
  THEN WEST OF A LINE FROM NEW ULM TO FAIRMONT. 

* WIND...25 TO 35 MPH OUT OF THE WEST NORTHWEST.

* HUMIDITY...BETWEEN 22 AND 27 PERCENT THIS AFTERNOON.

* 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.

&&

$$
2 follow-up statements
801 
WWUS83 KMPX 301444
RFWMPX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
944 AM CDT MON MAR 30 2015

...RED FLAG WARNING IN EFFECT THIS AFTERNOON FOR SOUTHWEST
MINNESOTA...

.THE COMBINATION OF LOW HUMIDITY AND STRONG WEST NORTHWEST WINDS
THIS AFTERNOON WILL LEAD TO CRITICAL FIRE WEATHER CONDITIONS FOR
PORTIONS OF SOUTHWEST MINNESOTA SOUTH OF THE MINNESOTA RIVER.

MNZ064-073-074-082-091-310000-
/O.CON.KMPX.FW.W.0003.150330T1700Z-150331T0000Z/
YELLOW MEDICINE-REDWOOD-BROWN-WATONWAN-MARTIN-
944 AM CDT MON MAR 30 2015

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING
FOR STRONG WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES
064...073...074... 082 AND 091...

* AFFECTED AREA...FIRE WEATHER ZONES 064...073...074...082 AND 
  091. MAINLY SOUTH OF A LINE FROM GRANITE FALLS TO NEW ULM AND 
  THEN WEST OF A LINE FROM NEW ULM TO FAIRMONT. 

* WIND...WEST NORTHWEST 25 TO 35 MPH.

* HUMIDITY...BETWEEN 22 AND 27 PERCENT THIS AFTERNOON.

* 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.

&&

$$
502 
WWUS83 KMPX 302359
RFWMPX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
659 PM CDT MON MAR 30 2015

...RED FLAG WARNING ALLOWED TO EXPIRE AT 7 PM THIS EVENING...

.DIMINISHING WINDS THIS EVENING ALONG WITH RISING RELATIVE
HUMIDITY WILL LESSEN THE CRITICAL FIRE WEATHER CONDITIONS ACROSS
SOUTHWEST MINNESOTA. HENCE...THE RED FLAG WARNING WILL BE ALLOWED
TO EXPIRE AT 7 PM THIS EVENING.

MNZ064-073-074-082-091-310100-
/O.EXP.KMPX.FW.W.0003.000000T0000Z-150331T0000Z/
YELLOW MEDICINE-REDWOOD-BROWN-WATONWAN-MARTIN-
659 PM CDT MON MAR 30 2015

...RED FLAG WARNING WILL EXPIRE AT 7 PM CDT THIS EVENING FOR SOUTHWEST
MINNESOTA...


$$

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.