Alert archive / Missouri / Flood Watches in 2011

Flood Watch 1, NWS Springfield, MO

November 7, 20116 counties in Missouri; Bourbon County, Cherokee County, Crawford County, Kansas

NWS Springfield, MO issued this flood watch at Nov 7, 2011, 7:59 PM CST for 6 counties in Missouri; Bourbon County, Cherokee County, Crawford County, Kansas. It was in force for 17 hr.

The area

The counties it named.

The facts

Issued: Nov 7, 2011, 7:59 PM CST (01:59 UTC)
Expired: Nov 8, 2011, 12:40 PM CST
In force: 17 hr
Issued by: NWS Springfield, MO
Flood severity: None

Counties Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Barton County, MO, Cedar County, MO, Dade County, MO, Jasper County, MO, St. Clair County, MO, Vernon County, MO

The radar

The Springfield radar (KSGF), 92 km from the middle of the area, began a volume at 02:00 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

Springfield, MO (KSGF), launched 00:00Z, 2.0 hours before the alert went out and 90 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: 337 J/kg
Mixed-layer CIN: -41 J/kg
Mixed-layer LCL: 664 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 271 m²/s²
0-3 km storm-relative helicity: 282 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flood watch 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 flood watch went out at Nov 7, 5:44 PM CST, 2 hours 15 minutes earlier.

Area forecast discussion, Nov 7, 5:44 PM CST, 2 hours 15 minutes before

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Hazardous weather outlook, Nov 7, 6:08 PM CST, 1 hour 51 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
Nov 7, 11:56 PM CST	Areal Flood Warning	SGF	Barton, Vernon	6 hr
Nov 8, 12:10 AM CST	Special Weather Statement	SGF	Jasper	50 min
Nov 8, 12:49 AM CST	Special Weather Statement	SGF	Barton	26 min
Nov 8, 2:13 AM CST	Areal Flood Warning	SGF	Barton, Benton, Cedar, Hickory, St. Clair, Vernon	5 hr
Nov 8, 3:51 PM CST	Areal Flood Warning	SGF	Barry, Lawrence, McDonald, Newton	11 hr
Nov 7, 11:19 PM CST	Special Weather Statement	SGF	Cherokee, Crawford	41 min

Nearby

Flood Watches in Missouri, 2011 Flood Watches in Kansas, 2011 Every flood watch 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.