Alert archive / Minnesota / Winter Storm Watches in 2013

Winter Storm Watch 2, NWS Grand Forks, ND

January 18, 20135 counties in Minnesota; 5 counties in North Dakota

NWS Grand Forks, ND issued this winter storm watch at Jan 18, 2013, 2:43 PM CST for 5 counties in Minnesota; 5 counties in North Dakota. It took effect at Jan 19, 2013, 6:00 AM CST. It was in force for .

The area

The counties it named.

The facts

Issued: Jan 18, 2013, 2:43 PM CST (20:43 UTC)
In effect from: Jan 19, 2013, 6:00 AM CST
Expired: Jan 19, 2013, 4:50 AM CST
In force
Issued by: NWS Grand Forks, ND

Counties Becker County, MN, Clay County, MN, Grant County, MN, Otter Tail County, MN, Wilkin County, MN, Barnes County, ND, Cass County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 119 km from the middle of the area, began a volume at 20:47 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

Aberdeen, SD (KABR), launched 12:00Z, 8.7 hours before the alert went out and 219 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1801 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: 163 m²/s²
0-3 km storm-relative helicity: 182 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this winter storm watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Grand Forks, ND wrote its last area forecast discussion before this winter storm watch went out at Jan 18, 11:27 AM CST, 3 hours 16 minutes earlier.

Area forecast discussion, Jan 18, 11:27 AM CST, 3 hours 16 minutes before

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Hazardous weather outlook, Jan 18, 6:07 AM CST, 8 hours 36 minutes before

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In the hours before

Local storm report, Jan 18, 10:07 AM CST, 4 hours 36 minutes before

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Local storm report, Jan 18, 10:40 AM CST, 4 hours 3 minutes before

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Local storm report, Jan 18, 11:24 AM CST, 3 hours 19 minutes before

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Local storm report, Jan 18, 11:41 AM CST, 3 hours 2 minutes before

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Local storm report, Jan 18, 1:09 PM CST, 1 hour 34 minutes before

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Local storm report, Jan 18, 1:28 PM CST, 1 hour 15 minutes before

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The office that day

Everything else NWS Grand Forks, ND issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 18, 4:11 AM CST	Blizzard Watch	FGF	Kittson, Mahnomen, Marshall, Norman, Pennington, Polk and 2 more	25 hr
Jan 18, 4:18 AM CST	High Wind Watch	FGF	Clay, Norman, Wilkin	10 hr
Jan 18, 2:43 PM CST	Blizzard Warning	FGF	Kittson, Marshall, Polk	30 hr

Nearby

Winter Storm Watches in Minnesota, 2013 Winter Storm Watches in North Dakota, 2013 Every winter storm watch in 2013

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.