Alert archive / Missouri / Flash Flood Watches in 2009

Flash Flood Watch 1, NWS Springfield, MO

February 9, 200934 counties in Missouri; Bourbon County, Cherokee County, Crawford County, Kansas

NWS Springfield, MO issued this flash flood watch at Feb 9, 2009, 3:32 PM CST for 34 counties in Missouri; Bourbon County, Cherokee County, Crawford County, Kansas. It took effect at Feb 10, 2009, 6:00 PM CST. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued: Feb 9, 2009, 3:32 PM CST (21:32 UTC)
In effect from: Feb 10, 2009, 6:00 PM CST
Expired: Feb 11, 2009, 12:00 PM CST
In force: 18 hr
Issued by: NWS Springfield, MO
Flood severity: None

All 37 counties

Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Barry County, MO, Barton County, MO, Benton County, MO, Camden County, MO, Cedar County, MO, Christian County, MO, Dade County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Greene County, MO, Hickory County, MO, Howell County, MO, Jasper County, MO, Laclede County, MO, Lawrence County, MO, Maries County, MO, McDonald County, MO, Miller County, MO, Morgan County, MO, Newton County, MO, Oregon County, MO, Ozark County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Shannon County, MO, St. Clair County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Vernon County, MO, Webster County, MO, Wright County, MO

The radar

The Springfield radar (KSGF), 30 km from the middle of the area, began a volume at 21:36 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, 9.5 hours before the alert went out and 82 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: 17 J/kg
Mixed-layer CIN: -53 J/kg
Mixed-layer LCL: 910 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 280 m²/s²
0-3 km storm-relative helicity: 303 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 flash 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 flash flood watch went out at Feb 9, 3:07 PM CST, 25 minutes earlier.

Area forecast discussion, Feb 9, 3:07 PM CST, 25 minutes before

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Hazardous weather outlook, Feb 9, 12:44 PM CST, 2 hours 48 minutes before

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In the hours before

Local storm report, Feb 9, 10:50 AM CST, 4 hours 42 minutes before

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Local storm report, Feb 9, 11:02 AM CST, 4 hours 30 minutes before

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Local storm report, Feb 9, 11:23 AM CST, 4 hours 9 minutes before

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Local storm report, Feb 9, 11:55 AM CST, 3 hours 37 minutes before

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Local storm report, Feb 9, 12:15 PM CST, 3 hours 17 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
Feb 9, 8:15 AM CST	Severe Thunderstorm Warning	SGF	McDonald, Newton	75 min
Feb 9, 8:22 AM CST	Severe Thunderstorm Warning	SGF	Jasper	68 min
Feb 9, 8:33 AM CST	Severe Thunderstorm Warning	SGF	Barton, Vernon	72 min
Feb 9, 9:01 AM CST	Severe Thunderstorm Warning	SGF	Barry, Lawrence	74 min
Feb 9, 9:10 AM CST	Severe Thunderstorm Warning	SGF	Cedar, Dade, St. Clair	80 min
Feb 9, 7:57 AM CST	Severe Thunderstorm Warning	SGF	Cherokee, Crawford	63 min
Feb 9, 8:31 AM CST	Severe Thunderstorm Warning	SGF	Bourbon	35 min

Nearby

Flash Flood Watches in Missouri, 2009 Flash Flood Watches in Kansas, 2009 Every flash flood watch 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.