Alert archive / Missouri / Special Weather Statements in 2018

Special Weather Statement, NWS Springfield, MO

October 7, 2018Miller County, Missouri

NWS Springfield, MO issued this special weather statement at Oct 7, 2018, 1:19 PM CDT for Miller County, Missouri. It was in force for 26 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: Oct 7, 2018, 1:19 PM CDT (18:19 UTC)
Expired: Oct 7, 2018, 1:45 PM CDT
In force: 26 min
Issued by: NWS Springfield, MO

County Miller County, MO

The radar

The Springfield radar (KSGF), 146 km from the middle of the area, began a volume at 18:19 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

Springfield, MO (KSGF), launched 12:00Z, 6.3 hours before the alert went out and 197 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: 723 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 857 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 118 m²/s²
0-3 km storm-relative helicity: 102 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.5

Open this sounding in Storm Lab

The text

As transmitted.

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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 Oct 7, 12:05 PM CDT, 1 hour 14 minutes earlier.

Area forecast discussion, Oct 7, 12:05 PM CDT, 1 hour 14 minutes before

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Hazardous weather outlook, Oct 7, 9:08 AM CDT, 4 hours 11 minutes before

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In the hours before

Special weather statement, Oct 7, 1:19 PM 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
Oct 6, 7:25 PM CDT	Flash Flood Warning	SGF	Dent, Shannon, Texas	6 hr
Oct 6, 7:41 PM CDT	Severe Thunderstorm Warning	SGF	Barry, Jasper, Lawrence, Newton	49 min
Oct 6, 8:00 PM CDT	Severe Thunderstorm Warning	SGF	Jasper, Lawrence	45 min
Oct 6, 8:24 PM CDT	Special Weather Statement	SGF	Greene	66 min
Oct 6, 9:20 PM CDT	Special Weather Statement	SGF	Dallas, Polk, Webster	40 min
Oct 6, 9:42 PM CDT	Flash Flood Warning	SGF	McDonald, Newton	6 hr
Oct 7, 1:16 AM CDT	Areal Flood Warning	SGF	Dent, Shannon, Texas	9 hr
Oct 7, 5:30 AM CDT	Dense Fog Advisory	SGF	Dent, Maries, Miller, Phelps, Pulaski	4 hr
Oct 7, 1:40 PM CDT	Flash Flood Warning	SGF	Miller, Morgan	6 hr
Oct 7, 2:26 PM CDT	Severe Thunderstorm Warning	SGF	Newton	31 min
Oct 7, 5:56 PM CDT	Areal Flood Advisory	SGF	Miller, Morgan	6 hr

Nearby

Special Weather Statements in Missouri, 2018 Every special weather statement in 2018

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.