Alert archive / Minnesota / Red Flag Warnings in 2010

Red Flag Warning 6, NWS Twin Cities, MN

April 28, 2010Douglas County, Morrison County, Todd County, Minnesota

NWS Twin Cities, MN issued this red flag warning at Apr 28, 2010, 3:27 AM CDT for Douglas County, Morrison County, Todd County, Minnesota. It took effect at Apr 28, 2010, 12:00 PM CDT. It was in force for 8 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 28, 2010, 3:27 AM CDT (08:27 UTC)
In effect from
Apr 28, 2010, 12:00 PM CDT
Expired
Apr 28, 2010, 8:00 PM CDT
In force
8 hr
Issued by
NWS Twin Cities, MN

Counties Douglas County, MN, Morrison County, MN, Todd County, MN

The radar

The Minneapolis radar (KMPX), 164 km from the middle of the area, began a volume at 08:25 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, 8.5 hours before the alert went out and 162 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 2010-04-28Temperature 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 00:00Z on 2010-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 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
3370 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
5 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.

335 
WWUS83 KMPX 280827
RFWMPX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
327 AM CDT WED APR 28 2010

...INCREASING WINDS TODAY AND CONTINUED LOW HUMIDITY ESPECIALLY
ACROSS WESTERN INTO CENTRAL MINNESOTA...

.A RED FLAG WARNING HAS BEEN POSTED FOR A PART OF CENTRAL
MINNESOTA TODAY...AND WILL BE IN EFFECT FROM NOON UNTIL 8 PM.
RED FLAG WARNINGS WILL ALSO BE POSTED FOR MUCH OF NORTHERN
MINNESOTA. SOUTH TO SOUTHEAST WINDS WILL BE ON THE INCREASE TODAY 
WITH CONTINUED LOW HUMIDITY. BY NOON WINDS SHOULD INCREASE TO 20
MPH WITH HIGHER GUSTS AROUND ALEXANDRIA...WITH THESE WINDS
REACHING THE LITTLE FALLS AREA AROUND 3 PM. GRASSES...BRUSH AND
OTHER FUELS REMAIN DRY IN THESE AREAS WITH GREEN-UP LESS ADVANCED
THAN AREAS FURTHER SOUTH. FIRES COULD SPREAD QUICKLY UNDER THESE
CONDITIONS.

MNZ041>043-281630-
/O.UPG.KMPX.FW.A.0003.100428T1700Z-100429T0100Z/
/O.NEW.KMPX.FW.W.0006.100428T1700Z-100429T0100Z/
DOUGLAS-TODD-MORRISON-
327 AM CDT WED APR 28 2010

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM CDT THIS
EVENING...

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

SOUTH TO SOUTHEAST WINDS WILL BE ON THE INCREASE TODAY WITH
CONTINUED LOW HUMIDITY. BY NOON WINDS SHOULD INCREASE TO 20 MPH
WITH HIGHER GUSTS AROUND ALEXANDRIA...WITH THESE WINDS REACHING
THE LITTLE FALLS AREA AROUND 3 PM. GRASSES...BRUSH AND OTHER FUELS
REMAIN DRY IN THESE AREAS WITH GREEN-UP LESS ADVANCED THAN AREAS
FURTHER SOUTH. FIRES COULD SPREAD QUICKLY UNDER THESE CONDITIONS.

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 WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$
1 follow-up statement
688 
WWUS83 KMPX 282029
RFWMPX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
329 PM CDT WED APR 28 2010

...STRONG SOUTHEAST WINDS TO CONTINUE INTO THE EVENING
WITH HUMIDITY SLOW TO RECOVER... 

.A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM THIS EVENING FOR
A PART OF CENTRAL MINNESOTA. RED FLAG WARNINGS ALSO ARE POSTED FOR
MUCH OF NORTHERN MINNESOTA. WINDS WILL ONLY SLOWLY DECREASE
THROUGH THE EVENING...BUT HUMIDITY WILL RISE ABOVE 35% AROUND SUNSET.
GRASSES...BRUSH AND OTHER FUELS REMAIN DRY IN THESE AREAS WITH
GREEN-UP LESS ADVANCED THAN AREAS FURTHER SOUTH. FIRES COULD
SPREAD QUICKLY UNDER THESE CONDITIONS.

MNZ041>043-290100-
/O.CON.KMPX.FW.W.0006.000000T0000Z-100429T0100Z/
DOUGLAS-TODD-MORRISON-
329 PM CDT WED APR 28 2010

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS
EVENING...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING.

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM THIS EVENING FOR
A PART OF CENTRAL MINNESOTA. WINDS WILL ONLY SLOWLY DECREASE
THROUGH THE EVENING...BUT HUMIDITY WILL RISE ABOVE 35% AROUND
SUNSET. GRASSES...BRUSH AND OTHER FUELS REMAIN DRY IN THESE AREAS
WITH GREEN-UP LESS ADVANCED THAN AREAS FURTHER SOUTH. FIRES COULD
SPREAD QUICKLY UNDER THESE CONDITIONS.

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 WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$
BAP

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 9:21 AM CDTWind AdvisoryMPXChippewa, Douglas, Kandiyohi, Lac qui Parle, Pope, Redwood and 4 more11 hr

Nearby

Red Flag Warnings in Minnesota, 2010Every red flag warning in 2010

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.