Alert archive / Missouri / Special Weather Statements in 2011

Special Weather Statement, NWS Springfield, MO

June 27, 2011Maries County, Missouri

NWS Springfield, MO issued this special weather statement at Jun 27, 2011, 2:01 AM CDT for Maries County, Missouri. It was in force for 29 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: Jun 27, 2011, 2:01 AM CDT (07:01 UTC)
Expired: Jun 27, 2011, 2:30 AM CDT
In force: 29 min
Issued by: NWS Springfield, MO

County Maries County, MO

The radar

The St Louis radar (KLSX), 129 km from the middle of the area, began a volume at 07:05 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

Topeka, KS (KTOP), launched 00:00Z, 7.0 hours before the alert went out and 326 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: 3777 J/kg
Mixed-layer CIN: -96 J/kg
Mixed-layer LCL: 1305 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 104 m²/s²
0-3 km storm-relative helicity: 307 m²/s²
Significant tornado parameter: 2.0
Supercell composite: 17.0

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 Springfield, MO wrote its last area forecast discussion before this special weather statement went out at Jun 27, 12:04 AM CDT, 1 hour 57 minutes earlier.

Area forecast discussion, Jun 27, 12:04 AM CDT, 1 hour 57 minutes before

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Hazardous weather outlook, Jun 26, 7:38 PM CDT, 6 hours 23 minutes before

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In the hours before

Local storm report, Jun 26, 10:18 PM CDT, 3 hours 43 minutes before

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Special weather statement, Jun 27, 2:01 AM CDT, 0 minutes before

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The office that day

Everything else NWS Springfield, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 27, 3:36 AM CDT	Special Weather Statement	SGF	Benton, Morgan	54 min
Jun 27, 3:57 AM CDT	Special Weather Statement	SGF	Camden, Hickory, St. Clair	63 min
Jun 27, 4:28 AM CDT	Special Weather Statement	SGF	Camden, Maries, Miller	62 min

Nearby

Special Weather Statements in Missouri, 2011 Every special weather statement in 2011

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.