Alert archive / Missouri / Flash Flood Watches in 2008

Flash Flood Watch 1, NWS Springfield, MO

February 4, 200828 counties in Missouri

NWS Springfield, MO issued this flash flood watch at Feb 4, 2008, 1:16 AM CST for 28 counties in Missouri. It took effect at Feb 5, 2008, 12:00 AM CST. It was in force for 20 hr.

The area

The counties it named.

The facts

Issued: Feb 4, 2008, 1:16 AM CST (07:16 UTC)
In effect from: Feb 5, 2008, 12:00 AM CST
Expired: Feb 5, 2008, 8:18 PM CST
In force: 20 hr
Issued by: NWS Springfield, MO
Flood severity: None

All 28 counties

Barry County, MO, Camden 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, Newton County, MO, Oregon County, MO, Ozark County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Shannon County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Webster County, MO, Wright County, MO

The radar

The Springfield radar (KSGF), 50 km from the middle of the area, began a volume at 07:21 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

Little Rock, AR (KLZK), launched 00:00Z, 7.3 hours before the alert went out and 378 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: 6 J/kg
Mixed-layer CIN: -227 J/kg
Mixed-layer LCL: 534 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 277 m²/s²
0-3 km storm-relative helicity: 393 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 3, 11:40 PM CST, 1 hour 36 minutes earlier.

Area forecast discussion, Feb 3, 11:40 PM CST, 1 hour 36 minutes before

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Hazardous weather outlook, Feb 3, 9:03 PM CST, 4 hours 13 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 3, 6:15 PM CST	Dense Fog Advisory	SGF	Benton, Camden, Cedar, Christian, Dallas, Dent and 20 more	14 hr

Nearby

Flash Flood Watches in Missouri, 2008 Every flash flood watch in 2008

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.