Alert archive / Minnesota / Special Weather Statements in 2012

Special Weather Statement, NWS Grand Forks, ND

July 13, 2012Hubbard County, Minnesota

NWS Grand Forks, ND issued this special weather statement at Jul 13, 2012, 4:59 PM CDT for Hubbard County, Minnesota. It was in force for 61 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 13, 2012, 4:59 PM CDT (21:59 UTC)
Expired: Jul 13, 2012, 6:00 PM CDT
In force: 61 min
Issued by: NWS Grand Forks, ND

County Hubbard County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 189 km from the middle of the area, began a volume at 22:00 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, 10.0 hours before the alert went out and 278 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: 420 J/kg
Mixed-layer CIN: -186 J/kg
Mixed-layer LCL: 1382 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 259 m²/s²
0-3 km storm-relative helicity: 273 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

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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
Jul 12, 7:08 PM CDT	Special Weather Statement	FGF	Norman	67 min
Jul 12, 7:43 PM CDT	Severe Thunderstorm Warning	FGF	Becker, Clay	45 min
Jul 12, 7:47 PM CDT	Severe Thunderstorm Warning	FGF	Becker, Clay, Otter Tail	58 min
Jul 12, 8:16 PM CDT	Severe Thunderstorm Warning	FGF	Grant	59 min
Jul 12, 8:46 PM CDT	Severe Thunderstorm Warning	FGF	Otter Tail	59 min
Jul 13, 9:57 AM CDT	Areal Flood Advisory	FGF	Lake of the Woods	5 hr
Jul 13, 4:48 PM CDT	Special Weather Statement	FGF	Clearwater	57 min

Nearby

Special Weather Statements in Minnesota, 2012 Every special weather statement in 2012

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.