Alert archive / Missouri / Freeze Warnings in 2006

Freeze Warning 1, NWS Springfield, MO

October 12, 200624 counties in Missouri

NWS Springfield, MO issued this freeze warning at Oct 12, 2006, 4:00 AM CDT for 24 counties in Missouri. It took effect at Oct 12, 2006, 11:59 AM CDT. It was in force for 19 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: Oct 12, 2006, 4:00 AM CDT (09:00 UTC)
In effect from: Oct 12, 2006, 11:59 AM CDT
Expired: Oct 13, 2006, 7:00 AM CDT
In force: 19 hr
Issued by: NWS Springfield, MO

All 24 counties

Benton County, MO, Camden County, MO, Christian County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Greene County, MO, Hickory County, MO, Howell County, MO, Laclede County, MO, Maries County, MO, Miller County, MO, Morgan County, MO, Oregon County, MO, Ozark County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Shannon County, MO, St. Clair County, MO, Taney County, MO, Texas County, MO, Webster County, MO, Wright County, MO

The radar

The Springfield radar (KSGF), 80 km from the middle of the area, began a volume at 09:04 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, 9.0 hours before the alert went out and 316 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: 1721 m above ground
0-6 km bulk shear: 82 kt
0-1 km storm-relative helicity: 36 m²/s²
0-3 km storm-relative helicity: 129 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 freeze warning 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 freeze warning went out at Oct 12, 3:46 AM CDT, 14 minutes earlier.

Area forecast discussion, Oct 12, 3:46 AM CDT, 14 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
Oct 12, 4:57 PM CDT	Frost Advisory	SGF	Barry, Barton, Cedar, Dade, Jasper, Lawrence and 4 more	14 hr

Nearby

Freeze Warnings in Missouri, 2006 Every freeze warning in 2006

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.