Alert archive / Minnesota / Special Weather Statements in 2009

Special Weather Statement, NWS Twin Cities, MN

July 24, 2009Todd County, Minnesota

NWS Twin Cities, MN issued this special weather statement at Jul 24, 2009, 2:11 AM CDT for Todd County, Minnesota. It was in force for 49 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 24, 2009, 2:11 AM CDT (07:11 UTC)
Expired: Jul 24, 2009, 3:00 AM CDT
In force: 49 min
Issued by: NWS Twin Cities, MN

County Todd County, MN

The radar

The Minneapolis radar (KMPX), 179 km from the middle of the area, began a volume at 07:14 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

International Fa, MN (KINL), launched 00:00Z, 7.2 hours before the alert went out and 272 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: 2 J/kg
Mixed-layer CIN: -136 J/kg
Mixed-layer LCL: 1857 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 212 m²/s²
0-3 km storm-relative helicity: 506 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

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

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What forecasters said that day

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

NWS Twin Cities, MN wrote its last area forecast discussion before this special weather statement went out at Jul 23, 11:16 PM CDT, 2 hours 55 minutes earlier.

Area forecast discussion, Jul 23, 11:16 PM CDT, 2 hours 55 minutes before

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Hazardous weather outlook, Jul 23, 11:20 PM CDT, 2 hours 51 minutes before

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In the hours before

Special weather statement, Jul 24, 2:11 AM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 24, 6:35 AM CDT	Special Weather Statement	MPX	Chisago	40 min
Jul 24, 6:53 AM CDT	Special Weather Statement	MPX	Anoka	52 min
Jul 24, 7:20 AM CDT	Special Weather Statement	MPX	Anoka	25 min
Jul 24, 7:38 AM CDT	Special Weather Statement	MPX	Anoka, Washington	37 min
Jul 24, 7:41 AM CDT	Severe Thunderstorm Warning	MPX	Anoka, Ramsey, Washington	34 min
Jul 24, 8:20 AM CDT	Special Weather Statement	MPX	Ramsey, Washington	25 min
Jul 24, 8:28 AM CDT	Severe Thunderstorm Warning	MPX	Ramsey, Washington	32 min
Jul 24, 9:01 AM CDT	Severe Thunderstorm Warning	MPX	Dakota, Goodhue, Washington	29 min
Jul 24, 9:08 AM CDT	Special Weather Statement	MPX	Goodhue	52 min
Jul 24, 9:15 AM CDT	Severe Thunderstorm Warning	MPX	Dakota, Goodhue, Rice	60 min
Jul 24, 9:28 AM CDT	Severe Thunderstorm Warning	MPX	Dakota, Goodhue	48 min
Jul 24, 9:31 AM CDT	Special Weather Statement	MPX	Rice	29 min
Jul 24, 9:38 AM CDT	Severe Thunderstorm Warning	MPX	Rice, Steele	32 min
Jul 24, 10:18 AM CDT	Special Weather Statement	MPX	Goodhue	42 min
Jul 24, 8:21 AM CDT	Special Weather Statement	MPX	Saint Croix	39 min

Nearby

Special Weather Statements in Minnesota, 2009 Every special weather statement in 2009

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.