Alert archive / Missouri / Areal Flood Warnings in 2015

Areal Flood Warning 53, NWS St. Louis, MO

November 17, 2015Audrain County, Monroe County, Missouri

NWS St. Louis, MO issued this areal flood warning at Nov 17, 2015, 10:57 PM CST for Audrain County, Monroe County, Missouri. It was in force for 9 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: Nov 17, 2015, 10:57 PM CST (04:57 UTC)
Expired: Nov 18, 2015, 8:00 AM CST
In force: 9 hr
Issued by: NWS St. Louis, MO
Area: Storm-based polygon
Flood severity: None

Counties Audrain County, MO, Monroe County, MO

The radar

The St Louis radar (KLSX), 130 km from the middle of the area, began a volume at 04:58 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

Lincoln, IL (KILX), launched 00:00Z, 5.0 hours before the alert went out and 297 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: 709 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 545 m²/s²
0-3 km storm-relative helicity: 576 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 areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS St. Louis, MO wrote its last area forecast discussion before this areal flood warning went out at Nov 17, 9:32 PM CST, 1 hour 25 minutes earlier.

Area forecast discussion, Nov 17, 9:32 PM CST, 1 hour 25 minutes before

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Hazardous weather outlook, Nov 17, 8:10 PM CST, 2 hours 47 minutes before

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In the hours before

Local storm report, Nov 17, 6:08 PM CST, 4 hours 49 minutes before

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Local storm report, Nov 17, 6:16 PM CST, 4 hours 41 minutes before

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Local storm report, Nov 17, 6:19 PM CST, 4 hours 38 minutes before

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Local storm report, Nov 17, 6:48 PM CST, 4 hours 9 minutes before

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Local storm report, Nov 17, 9:49 PM CST, 1 hour 8 minutes before

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Local storm report, Nov 17, 9:54 PM CST, 1 hour 3 minutes before

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The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 17, 6:51 PM CST	Areal Flood Warning	LSX	Audrain, Callaway, Lincoln, Monroe, Montgomery, Pike and 2 more	12 hr
Nov 17, 7:59 PM CST	Areal Flood Warning	LSX	Franklin, Iron, Jefferson, Madison, Sainte Genevieve, Saint Francois and 1 more	12 hr
Nov 17, 9:42 PM CST	Areal Flood Warning	LSX	Boone, Callaway, Cole, Crawford, Franklin, Gasconade and 5 more	12 hr
Nov 17, 11:13 PM CST	Areal Flood Warning	LSX	Iron, Reynolds	9 hr
Nov 18, 5:36 AM CST	River Flood Warning	LSX	Osage	28 hr
Nov 18, 10:16 AM CST	River Flood Warning	LSX	Crawford	51 hr

Nearby

Areal Flood Warnings in Missouri, 2015 Every areal flood warning in 2015

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.