Alert archive / Minnesota / Blizzard Warnings in 2025

Blizzard Warning 4, NWS Twin Cities, MN

December 18, 202512 counties in Minnesota

NWS Twin Cities, MN issued this blizzard warning at Dec 18, 2025, 4:40 PM CST for 12 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
Dec 18, 2025, 4:40 PM CST (22:40 UTC)
Expired
Dec 18, 2025, 8:58 PM CST
In force
4 hr
Issued by
NWS Twin Cities, MN

Counties Blue Earth County, MN, Brown County, MN, Faribault County, MN, Freeborn County, MN, Le Sueur County, MN, Martin County, MN, Nicollet County, MN, Rice County, MN, Sibley County, MN, Steele County, MN, Waseca County, MN, Watonwan County, MN

The radar

The Minneapolis radar (KMPX), 91 km from the middle of the area, began a volume at 22:39 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, 10.7 hours before the alert went out and 90 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 2025-12-18Temperature 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 2025-12-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -204 square meters per square second.1939587897117Sfc1 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
1041 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
-204 m²/s²
0-3 km storm-relative helicity
58 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

735 
WWUS43 KMPX 182240
WSWMPX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
440 PM CST Thu Dec 18 2025

...BLIZZARD CONDITIONS CONTINUING IN SOUTHERN MN FOR THE REST OF THIS
EVENING...

MNZ067-074-075-082-083-091-092-190400-
/O.UPG.KMPX.WW.Y.0021.000000T0000Z-251219T0000Z/
/O.NEW.KMPX.BZ.W.0004.251218T2240Z-251219T0400Z/
Sibley-Brown-Nicollet-Watonwan-Blue Earth-Martin-Faribault-
Including the cities of St James, Gaylord, Blue Earth, Fairmont,
Mankato, St Peter, and New Ulm
440 PM CST Thu Dec 18 2025

...BLIZZARD WARNING IN EFFECT UNTIL 10 PM CST THIS EVENING...

* WHAT...Blizzard conditions. Additional snow accumulations up to one
  inch. Winds gusting as high as 50 mph.

* WHERE...Sibley, Blue Earth, Brown, Faribault, Martin, Nicollet, and
  Watonwan Counties.

* WHEN...Until 10 PM CST this evening.

* IMPACTS...Roads, and especially bridges and overpasses, will likely
  become slick and hazardous. Visibilities may drop below 1/4 mile
  due to falling and blowing snow. Whiteout conditions are expected
  and will make travel treacherous and potentially life-threatening.
  Plan on slippery road conditions. The hazardous conditions will
  impact the Thursday evening commute. Gusty winds could bring down
  tree branches.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Travel should be restricted to emergencies only. If you must travel,
have a winter survival kit with you. If you get stranded, stay with
your vehicle. Call 5 1 1 or visit 511mn.org for road conditions.

&&

$$

MNZ076-077-084-085-093-190400-
/O.UPG.KMPX.WW.Y.0021.000000T0000Z-251219T0300Z/
/O.NEW.KMPX.BZ.W.0004.251218T2240Z-251219T0400Z/
Le Sueur-Rice-Waseca-Steele-Freeborn-
Including the cities of Owatonna, Albert Lea, Le Sueur, Waseca, and
Faribault
440 PM CST Thu Dec 18 2025

...BLIZZARD WARNING IN EFFECT UNTIL 10 PM CST THIS EVENING...

* WHAT...Blizzard conditions. Additional snow accumulations up to one
  inch. Winds gusting as high as 50 mph.

* WHERE...Freeborn, Le Sueur, Rice, Steele, and Waseca Counties.

* WHEN...Until 10 PM CST this evening.

* IMPACTS...Roads, and especially bridges and overpasses, will likely
  become slick and hazardous. Visibilities may drop below 1/4 mile
  due to falling and blowing snow. Whiteout conditions are expected
  and will make travel treacherous and potentially life-threatening.
  Plan on slippery road conditions. Areas of blowing snow could
  significantly reduce visibility. The hazardous conditions will
  impact the Thursday evening commute. Gusty winds could bring down
  tree branches.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Travel should be restricted to emergencies only. If you must travel,
have a winter survival kit with you. If you get stranded, stay with
your vehicle. Call 5 1 1 or visit 511mn.org for road conditions.

&&

$$

MNZ041-042-047>049-054>058-064>066-073-190000-
/O.CON.KMPX.WW.Y.0021.000000T0000Z-251219T0000Z/
Douglas-Todd-Stevens-Pope-Stearns-Lac Qui Parle-Swift-Chippewa-
Kandiyohi-Meeker-Yellow Medicine-Renville-McLeod-Redwood-
Including the cities of Madison, Glenwood, Hutchinson, Benson,
Morris, St Cloud, Montevideo, Litchfield, Alexandria, Willmar,
Redwood Falls, Long Prairie, Granite Falls, and Olivia
440 PM CST Thu Dec 18 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...

* WHAT...A combination of winds gusting 40 to 50 mph, low visibility
  in falling snow, and flash freeze conditions leading to icy roads
  and surfaces.

* WHERE...Kandiyohi, McLeod, Meeker, Renville, Stearns, Todd,
  Redwood, Chippewa, Douglas, Lac Qui Parle, Pope, Stevens, Swift,
  and Yellow Medicine Counties.

* WHEN...Until 6 PM CST this evening.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions will impact the Thursday evening commute. Strong winds
  could cause extensive damage to trees and power lines.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. Call 5 1 1 or visit
511mn.org for road conditions.

Be prepared for slippery roads. Slow down and use caution while
driving. If you are going outside, watch your first few steps taken
on stairs, sidewalks, and driveways. These surfaces could be icy and
slippery, increasing your risk of a fall and injury.

&&

$$

MNZ043>045-050>053-059>063-068>070-078-190300-
/O.CON.KMPX.WW.Y.0021.000000T0000Z-251219T0300Z/
Morrison-Mille Lacs-Kanabec-Benton-Sherburne-Isanti-Chisago-
Wright-Hennepin-Anoka-Ramsey-Washington-Carver-Scott-Dakota-Goodhue-
Including the cities of Shakopee, Princeton, Stillwater, Mora, Little
Falls, Center City, Red Wing, Chaska, Elk River, Monticello,
Hastings, Cambridge, Sauk Rapids, Blaine, Victoria, St Paul,
Chanhassen, and Minneapolis
440 PM CST Thu Dec 18 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING...

* WHAT...A combination of winds gusting 40 to 50 mph, low visibility
  in falling snow, and flash freeze conditions leading to icy roads
  and surfaces.

* WHERE...Portions of central, east central, and southeast Minnesota.

* WHEN...Until 9 PM CST this evening.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions will impact the Thursday evening commute. Gusty winds
  could bring down tree branches.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. Call 5 1 1 or visit
511mn.org for road conditions.

Be prepared for slippery roads. Slow down and use caution while
driving. If you are going outside, watch your first few steps taken
on stairs, sidewalks, and driveways. These surfaces could be icy and
slippery, increasing your risk of a fall and injury.

&&

$$

WIZ014>016-023>028-190600-
/O.CON.KMPX.WW.Y.0021.000000T0000Z-251219T0600Z/
Polk-Barron-Rusk-St. Croix-Pierce-Dunn-Pepin-Chippewa-Eau Claire-
Including the cities of Rice Lake, Ladysmith, Menomonie, Eau Claire,
Osceola, River Falls, Durand, Chippewa Falls, and Hudson
440 PM CST Thu Dec 18 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

* WHAT...A combination of winds gusting 40 to 50 mph, low visibility
  in falling snow, and flash freeze conditions leading to icy roads
  and surfaces.

* WHERE...Barron, Polk, Rusk, Chippewa, Dunn, Eau Claire, Pepin,
  Pierce, and St. Croix Counties.

* WHEN...Until midnight CST tonight.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions will impact the Thursday evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. Call 5 1 1 or visit
511wi.gov for road conditions.

Be prepared for slippery roads. Slow down and use caution while
driving. If you are going outside, watch your first few steps taken
on stairs, sidewalks, and driveways. These surfaces could be icy and
slippery, increasing your risk of a fall and injury.

&&

$$

Dunleavy
3 follow-up statements
876 
WWUS43 KMPX 182349
WSWMPX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
549 PM CST Thu Dec 18 2025

...BLIZZARD CONDITIONS CONTINUING IN SOUTHERN MINNESOTA FOR THE REST
OF THIS EVENING...

MNZ041-042-047>049-054>058-064>066-073-190100-
/O.EXP.KMPX.WW.Y.0021.000000T0000Z-251219T0000Z/
Douglas-Todd-Stevens-Pope-Stearns-Lac Qui Parle-Swift-Chippewa-
Kandiyohi-Meeker-Yellow Medicine-Renville-McLeod-Redwood-
Including the cities of Granite Falls, Redwood Falls, Hutchinson,
Morris, Alexandria, Montevideo, Olivia, Long Prairie, St Cloud,
Madison, Glenwood, Litchfield, Benson, and Willmar
549 PM CST Thu Dec 18 2025

...WINTER WEATHER ADVISORY WILL EXPIRE AT 6 PM CST THIS EVENING...

With snow fall ending, we've see conditions improve across western
and central Minnesota. However, gusty winds will continue to lead
occasional reductions in visibility due to blowing snow. In addition,
with temperatures heading below zero tonight, patchy icy conditions
can be expected on roads through the rest of the night.

$$

MNZ067-074>077-082>085-091>093-190400-
/O.CON.KMPX.BZ.W.0004.000000T0000Z-251219T0400Z/
Sibley-Brown-Nicollet-Le Sueur-Rice-Watonwan-Blue Earth-Waseca-
Steele-Martin-Faribault-Freeborn-
Including the cities of Faribault, Fairmont, Le Sueur, New Ulm, Blue
Earth, Waseca, Mankato, Owatonna, Gaylord, Albert Lea, St Peter, and
St James
549 PM CST Thu Dec 18 2025

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 10 PM CST THIS EVENING...

* WHAT...Blizzard conditions. Additional snow accumulations up to one
  inch. Winds gusting as high as 50 mph.

* WHERE...Sibley, Blue Earth, Brown, Faribault, Freeborn, Le Sueur,
  Martin, Nicollet, Rice, Steele, Waseca, and Watonwan Counties.

* WHEN...Until 10 PM CST this evening.

* IMPACTS...Roads, and especially bridges and overpasses, will likely
  become slick and hazardous. Visibilities may drop below 1/4 mile
  due to falling and blowing snow. Whiteout conditions are expected
  and will make travel treacherous and potentially life-threatening.
  Plan on slippery road conditions. The hazardous conditions will
  impact the Thursday evening commute. Gusty winds could bring down
  tree branches.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Travel should be restricted to emergencies only. If you must travel,
have a winter survival kit with you. If you get stranded, stay with
your vehicle. Call 5 1 1 or visit 511mn.org for road conditions.

&&

$$

MNZ043>045-050>053-059>063-068>070-078-190300-
/O.CON.KMPX.WW.Y.0021.000000T0000Z-251219T0300Z/
Morrison-Mille Lacs-Kanabec-Benton-Sherburne-Isanti-Chisago-
Wright-Hennepin-Anoka-Ramsey-Washington-Carver-Scott-Dakota-Goodhue-
Including the cities of Hastings, Cambridge, Blaine, Chanhassen,
Chaska, Monticello, St Paul, Stillwater, Minneapolis, Center City,
Red Wing, Mora, Shakopee, Elk River, Little Falls, Sauk Rapids,
Victoria, and Princeton
549 PM CST Thu Dec 18 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING...

* WHAT...A combination of winds gusting 40 to 50 mph, low visibility
  in falling snow, and flash freeze conditions leading to icy roads
  and surfaces.

* WHERE...Portions of central, east central, and southeast Minnesota.

* WHEN...Until 9 PM CST this evening.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions will impact the Thursday evening commute. Gusty winds
  could bring down tree branches.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. Call 5 1 1 or visit
511mn.org for road conditions.

Be prepared for slippery roads. Slow down and use caution while
driving. If you are going outside, watch your first few steps taken
on stairs, sidewalks, and driveways. These surfaces could be icy and
slippery, increasing your risk of a fall and injury.

&&

$$

WIZ014>016-023>028-190600-
/O.CON.KMPX.WW.Y.0021.000000T0000Z-251219T0600Z/
Polk-Barron-Rusk-St. Croix-Pierce-Dunn-Pepin-Chippewa-Eau Claire-
Including the cities of Menomonie, Ladysmith, Durand, Osceola,
Hudson, Rice Lake, Chippewa Falls, River Falls, and Eau Claire
549 PM CST Thu Dec 18 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

* WHAT...A combination of winds gusting 40 to 50 mph, low visibility
  in falling snow, and flash freeze conditions leading to icy roads
  and surfaces.

* WHERE...Barron, Polk, Rusk, Chippewa, Dunn, Eau Claire, Pepin,
  Pierce, and St. Croix Counties.

* WHEN...Until midnight CST tonight.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions will impact the Thursday evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. Call 5 1 1 or visit
511wi.gov for road conditions.

Be prepared for slippery roads. Slow down and use caution while
driving. If you are going outside, watch your first few steps taken
on stairs, sidewalks, and driveways. These surfaces could be icy and
slippery, increasing your risk of a fall and injury.

&&

$$

MPG
821 
WWUS43 KMPX 190205
WSWMPX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
805 PM CST Thu Dec 18 2025

...WEATHER CONDITIONS SLOWLY IMPROVING...

MNZ067-074-082-091-190315-
/O.CAN.KMPX.BZ.W.0004.000000T0000Z-251219T0400Z/
Sibley-Brown-Watonwan-Martin-
Including the cities of New Ulm, Gaylord, Fairmont, and St James
805 PM CST Thu Dec 18 2025

...BLIZZARD WARNING IS CANCELLED...

With the snow ending, visibilities have improved significantly.
However, some blowing and drifting of snow will continue tonight
resulting in patchy areas of icy roads and temporarily reduced
visibilities.

$$

MNZ075>077-083>085-092-093-190400-
/O.CON.KMPX.BZ.W.0004.000000T0000Z-251219T0400Z/
Nicollet-Le Sueur-Rice-Blue Earth-Waseca-Steele-Faribault-
Freeborn-
Including the cities of Waseca, St Peter, Owatonna, Blue Earth,
Mankato, Faribault, Albert Lea, and Le Sueur
805 PM CST Thu Dec 18 2025

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 10 PM CST THIS EVENING...

* WHAT...Blizzard conditions. Additional snow accumulations up to one
  inch. Winds gusting as high as 45 mph.

* WHERE...Blue Earth, Faribault, Freeborn, Le Sueur, Nicollet, Rice,
  Steele, and Waseca Counties.

* WHEN...Until 10 PM CST this evening.

* IMPACTS...Roads, and especially bridges and overpasses, will likely
  become slick and hazardous. Visibilities may drop below 1/4 mile
  due to falling and blowing snow. Whiteout conditions are expected
  and will make travel treacherous and potentially life-threatening.
  Plan on slippery road conditions. Gusty winds could bring down tree
  branches.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Travel should be restricted to emergencies only. If you must travel,
have a winter survival kit with you. If you get stranded, stay with
your vehicle. Call 5 1 1 or visit 511mn.org for road conditions.

&&

$$

MNZ043>045-050>053-059>063-068>070-078-190315-
/O.CON.KMPX.WW.Y.0021.000000T0000Z-251219T0300Z/
Morrison-Mille Lacs-Kanabec-Benton-Sherburne-Isanti-Chisago-
Wright-Hennepin-Anoka-Ramsey-Washington-Carver-Scott-Dakota-Goodhue-
Including the cities of Hastings, Chanhassen, Elk River, Cambridge,
Victoria, Red Wing, Monticello, Little Falls, St Paul, Mora,
Shakopee, Center City, Stillwater, Sauk Rapids, Minneapolis, Chaska,
Blaine, and Princeton
805 PM CST Thu Dec 18 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING...

* WHAT...A combination of winds gusting 40 to 50 mph, low visibility
  in falling snow, and flash freeze conditions leading to icy roads
  and surfaces.

* WHERE...Portions of central, east central, and southeast Minnesota.

* WHEN...Until 9 PM CST this evening.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. Call 5 1 1 or visit
511mn.org for road conditions.

Be prepared for slippery roads. Slow down and use caution while
driving. If you are going outside, watch your first few steps taken
on stairs, sidewalks, and driveways. These surfaces could be icy and
slippery, increasing your risk of a fall and injury.

&&

$$

WIZ014>016-023>028-190600-
/O.CON.KMPX.WW.Y.0021.000000T0000Z-251219T0600Z/
Polk-Barron-Rusk-St. Croix-Pierce-Dunn-Pepin-Chippewa-Eau Claire-
Including the cities of Rice Lake, Osceola, Ladysmith, Hudson, River
Falls, Chippewa Falls, Durand, Menomonie, and Eau Claire
805 PM CST Thu Dec 18 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

* WHAT...A combination of winds gusting 40 to 50 mph, low visibility
  in falling snow, and flash freeze conditions leading to icy roads
  and surfaces.

* WHERE...Barron, Polk, Rusk, Chippewa, Dunn, Eau Claire, Pepin,
  Pierce, and St. Croix Counties.

* WHEN...Until midnight CST tonight.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. Call 5 1 1 or visit
511wi.gov for road conditions.

Be prepared for slippery roads. Slow down and use caution while
driving. If you are going outside, watch your first few steps taken
on stairs, sidewalks, and driveways. These surfaces could be icy and
slippery, increasing your risk of a fall and injury.

&&

$$

MPG
652 
WWUS43 KMPX 190258
WSWMPX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
858 PM CST Thu Dec 18 2025

MNZ075>077-083>085-092-093-190400-
/O.CAN.KMPX.BZ.W.0004.000000T0000Z-251219T0400Z/
Nicollet-Le Sueur-Rice-Blue Earth-Waseca-Steele-Faribault-
Freeborn-
Including the cities of Waseca, St Peter, Owatonna, Blue Earth,
Mankato, Faribault, Albert Lea, and Le Sueur
858 PM CST Thu Dec 18 2025

...BLIZZARD WARNING IS CANCELLED...

Blizzard conditions have ended, though some patchy blowing snow will
continue through the night.

$$

MNZ043>045-050>053-059>063-068>070-078-190400-
/O.EXP.KMPX.WW.Y.0021.000000T0000Z-251219T0300Z/
Morrison-Mille Lacs-Kanabec-Benton-Sherburne-Isanti-Chisago-
Wright-Hennepin-Anoka-Ramsey-Washington-Carver-Scott-Dakota-Goodhue-
Including the cities of Hastings, Chanhassen, Elk River, Cambridge,
Victoria, Red Wing, Monticello, Little Falls, St Paul, Mora,
Shakopee, Center City, Stillwater, Sauk Rapids, Minneapolis, Chaska,
Blaine, and Princeton
858 PM CST Thu Dec 18 2025

...WINTER WEATHER ADVISORY WILL EXPIRE AT 9 PM CST THIS EVENING...

The threat has ended.

$$

WIZ014>016-023>028-190600-
/O.CON.KMPX.WW.Y.0021.000000T0000Z-251219T0600Z/
Polk-Barron-Rusk-St. Croix-Pierce-Dunn-Pepin-Chippewa-Eau Claire-
Including the cities of Rice Lake, Osceola, Ladysmith, Hudson, River
Falls, Chippewa Falls, Durand, Menomonie, and Eau Claire
858 PM CST Thu Dec 18 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

* WHAT...A combination of winds gusting 40 to 50 mph, low visibility
  in falling snow, and flash freeze conditions leading to icy roads
  and surfaces.

* WHERE...Barron, Polk, Rusk, Chippewa, Dunn, Eau Claire, Pepin,
  Pierce, and St. Croix Counties.

* WHEN...Until midnight CST tonight.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. Call 5 1 1 or visit
511wi.gov for road conditions.

Be prepared for slippery roads. Slow down and use caution while
driving. If you are going outside, watch your first few steps taken
on stairs, sidewalks, and driveways. These surfaces could be icy and
slippery, increasing your risk of a fall and injury.

&&

$$

MPG

Nearby

Blizzard Warnings in Minnesota, 2025Every blizzard warning in 2025

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.