Alert archive / Louisiana / Flash Flood Warnings in 2023

Flash Flood Warning 1, NWS Lake Charles, LA

January 3, 2023Avoyelles Parish, Rapides Parish, Louisiana

NWS Lake Charles, LA issued this flash flood warning at Jan 3, 2023, 8:39 AM CST for Avoyelles Parish, Rapides Parish, Louisiana. It was in force for 3 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: Jan 3, 2023, 8:39 AM CST (14:39 UTC)
Expired: Jan 3, 2023, 11:45 AM CST
In force: 3 hr
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon
Flood severity: None

Counties Avoyelles Parish, LA, Rapides Parish, LA

The radar

The Ft Polk radar (KPOE), 67 km from the middle of the area, began a volume at 14:40 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

Jackson, MS (KJAN), launched 12:00Z, 2.7 hours before the alert went out and 245 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: 352 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 710 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 351 m²/s²
0-3 km storm-relative helicity: 423 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 4.4

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Lake Charles, LA wrote its last area forecast discussion before this flash flood warning went out at Jan 2, 5:54 PM CST, 14 hours 45 minutes earlier.

Area forecast discussion, Jan 2, 5:54 PM CST, 14 hours 45 minutes before

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The office that day

Everything else NWS Lake Charles, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 2, 6:55 PM CST	Marine Dense Fog Advisory	LCH		17 hr
Jan 3, 4:56 AM CST	Special Weather Statement	LCH	Beauregard	49 min
Jan 3, 7:21 AM CST	Special Weather Statement	LCH	Allen	24 min
Jan 3, 7:30 AM CST	Severe Thunderstorm Warning	LCH	Allen	21 min
Jan 3, 8:48 AM CST	Special Weather Statement	LCH	Avoyelles	27 min
Jan 3, 9:52 AM CST	Special Weather Statement	LCH	Avoyelles	23 min
Jan 3, 10:49 AM CST	Special Marine Warning	LCH		41 min
Jan 3, 12:35 PM CST	Severe Thunderstorm Warning	LCH	Allen, Beauregard, Rapides, Vernon	40 min
Jan 3, 1:25 PM CST	Special Weather Statement	LCH	Rapides	35 min
Jan 3, 1:29 PM CST	Special Weather Statement	LCH	Rapides	46 min
Jan 3, 2:33 PM CST	Special Weather Statement	LCH	Avoyelles	27 min
Jan 3, 4:09 PM CST	Special Weather Statement	LCH	Allen	21 min
Jan 3, 4:22 PM CST	Severe Thunderstorm Warning	LCH	Allen, Evangeline, Rapides	23 min
Jan 3, 4:46 PM CST	Special Weather Statement	LCH	Rapides	29 min
Jan 3, 5:12 PM CST	Special Weather Statement	LCH	Avoyelles	33 min
Jan 3, 5:42 PM CST	Special Weather Statement	LCH	Lafayette	48 min
Jan 3, 6:10 AM CST	Special Weather Statement	LCH	Tyler	35 min

Nearby

Flash Flood Warnings in Louisiana, 2023 Every flash flood warning in 2023

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.