Alert archive / Louisiana / River Flood Warnings in 2018

River Flood Warning 177, NWS Shreveport, LA

December 27, 2018Caddo Parish, De Soto Parish, Louisiana

NWS Shreveport, LA issued this river flood warning at Dec 27, 2018, 3:05 PM CST for Caddo Parish, De Soto Parish, Louisiana. It took effect at Dec 28, 2018, 8:50 AM CST. It was in force for 13 days.

The area

The counties it named.

The facts

Issued: Dec 27, 2018, 3:05 PM CST (21:05 UTC)
In effect from: Dec 28, 2018, 8:50 AM CST
Expired: Jan 10, 2019, 10:04 AM CST
In force: 13 days
Issued by: NWS Shreveport, LA
Area: Storm-based polygon
Flood severity: Moderate

Counties Caddo Parish, LA, De Soto Parish, LA

The radar

The Shreveport radar (KSHV), 15 km from the middle of the area, began a volume at 21:07 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 river

Written for the forecast point Wallace Lake (WAGL1).

Action stage: 149 ft
Minor stage: 151 ft
Moderate stage: 158.5 ft
Major stage: 160 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 07351550, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

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

NWS Shreveport, LA wrote its last area forecast discussion before this river flood warning went out at Dec 27, 1:50 PM CST, 1 hour 15 minutes earlier.

Area forecast discussion, Dec 27, 1:50 PM CST, 1 hour 15 minutes before

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Hazardous weather outlook, Dec 27, 10:34 AM CST, 4 hours 31 minutes before

Hazardous Weather Outlook
National Weather Service Shreveport LA
1034 AM CST Thu Dec 27 2018

ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-
TXZ096-097-108>112-124>126-136>138-149>153-165>167-281645-
Sevier-Howard-Little River-Hempstead-Nevada-Miller-Lafayette-
Columbia-Union-Caddo-Bossier-Webster-Claiborne-Lincoln-De Soto-
Red River-Bienville-Jackson-Ouachita-Sabine-Natchitoches-Winn-
Grant-Caldwell-La Salle-McCurtain-Bowie-Franklin-Titus-Camp-
Morris-Cass-Wood-Upshur-Marion-Smith-Gregg-Harrison-Cherokee-Rusk-
Panola-Nacogdoches-Shelby-Angelina-San Augustine-
1034 AM CST Thu Dec 27 2018

This Hazardous Weather Outlook is for portions of south central
Arkansas, southwest Arkansas, north central Louisiana, northwest
Louisiana, southeast Oklahoma, east Texas, and northeast Texas.

.DAY ONE...Today and Tonight...

Showers and thunderstorms will east of the region into Mississippi
through late afternoon of this Thursday. No hazardous weather is
expected.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday...

Scattered to numerous showers and isolated thunderstorms return to
the forecast for this weekend through at least New Years Eve. At
this time, strong to severe thunderstorms do not appear likely,
nor does the threat for excessive heavy rainfall, but these
threats will continue to be monitored with future forecasts. No
hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Activation of emergency management personnel, amateur radio
operators, and storm spotters will not be needed through Friday
morning.

In the hours before

Local storm report, Dec 27, 12:14 PM CST, 2 hours 51 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 26, 6:20 PM CST	Special Weather Statement	SHV	Franklin, Wood	55 min
Dec 26, 7:01 PM CST	Special Weather Statement	SHV	Gregg	29 min
Dec 26, 9:54 PM CST	Severe Thunderstorm Warning	SHV	Cherokee, Gregg, Rusk, Smith	23 min
Dec 26, 9:56 PM CST	Severe Thunderstorm Warning	SHV	Angelina, Cherokee, Nacogdoches, Rusk, Shelby	49 min
Dec 26, 10:15 PM CST	Severe Thunderstorm Warning	SHV	Camp, Cass, Gregg, Marion, Morris, Smith and 3 more	29 min
Dec 26, 11:09 PM CST	Tornado Warning	SHV	Camp, Morris, Titus, Upshur, Wood	36 min
Dec 26, 11:10 PM CST	Tornado Warning	SHV	Bowie, Camp, Cass, Morris, Red River, Titus and 1 more	35 min
Dec 26, 11:43 PM CST	Tornado Warning	SHV	Bowie, Cass, Morris	47 min
Dec 27, 12:10 AM CST	Tornado Warning	SHV	Cass, Gregg, Harrison, Marion, Upshur	50 min
Dec 27, 12:24 AM CST	Tornado Warning	SHV	Bowie, Cass	31 min
Dec 27, 12:53 AM CST	Severe Thunderstorm Warning	SHV	Bowie, Cass, Harrison, Marion	52 min
Dec 27, 12:55 AM CST	Tornado Warning	SHV	Harrison, Marion	25 min
Dec 27, 1:23 AM CST	Tornado Warning	SHV	Marion	37 min
Dec 27, 1:30 AM CST	Severe Thunderstorm Warning	SHV	Cass, Harrison, Marion	60 min
Dec 27, 1:37 AM CST	Tornado Warning	SHV	Harrison	38 min
Dec 27, 1:43 AM CST	Tornado Warning	SHV	Nacogdoches, Panola, Rusk, Shelby	32 min
Dec 27, 2:07 AM CST	Tornado Warning	SHV	Panola	27 min
Dec 27, 4:52 AM CST	Special Weather Statement	SHV	Sabine	68 min
Dec 27, 5:09 AM CST	Areal Flood Advisory	SHV	Angelina, Nacogdoches, Sabine, San Augustine, Shelby	4 hr
Dec 27, 5:17 AM CST	Areal Flood Advisory	SHV	Cherokee, Nacogdoches, Rusk	4 hr
Dec 27, 5:22 AM CST	Severe Thunderstorm Warning	SHV	Sabine, Shelby	53 min
Dec 27, 7:10 AM CST	River Flood Warning	SHV	Angelina, Cherokee, Nacogdoches	5 days
Dec 27, 7:11 AM CST	River Flood Warning	SHV	Anderson, Cherokee, Houston	33 days
Dec 27, 7:11 AM CST	River Flood Warning	SHV	Anderson, Cherokee, Houston, Trinity	25 days
Dec 27, 7:12 AM CST	River Flood Warning	SHV	Smith, Wood	24 days
Dec 27, 7:12 AM CST	River Flood Warning	SHV	Gregg, Smith, Upshur, Wood	25 days
Dec 27, 7:12 AM CST	River Flood Warning	SHV	Gregg, Rusk	5 days
Dec 27, 7:12 AM CST	River Flood Warning	SHV	Gregg, Harrison, Panola, Rusk	26 days
Dec 27, 7:12 AM CST	River Flood Warning	SHV	Cherokee, Nacogdoches, Rusk, Smith	3 days
Dec 27, 8:28 AM CST	River Flood Warning	SHV	Bowie, Red River	47 hr
Dec 27, 8:48 AM CST	River Flood Warning	SHV	Wood	4 days
Dec 27, 8:50 AM CST	River Flood Warning	SHV	Cass, Marion	15 days
Dec 27, 8:50 AM CST	River Flood Warning	SHV	Gregg, Harrison, Marion, Upshur	26 hr
Dec 27, 9:03 AM CST	Areal Flood Advisory	SHV	Angelina, Nacogdoches, Sabine, San Augustine, Shelby	4 hr
Dec 27, 9:06 AM CST	Areal Flood Advisory	SHV	Cherokee, Nacogdoches, Rusk	4 hr
Dec 27, 1:54 AM CST	Tornado Warning	SHV	Bossier, Webster	25 min
Dec 27, 6:06 AM CST	Special Weather Statement	SHV	Bienville, Jackson, Lincoln	39 min
Dec 27, 6:14 AM CST	Special Weather Statement	SHV	Natchitoches, Winn	61 min
Dec 27, 6:40 AM CST	Tornado Warning	SHV	Natchitoches, Sabine	50 min
Dec 27, 7:13 AM CST	Special Weather Statement	SHV	Ouachita	32 min
Dec 27, 7:16 AM CST	Special Weather Statement	SHV	Caldwell, Grant, Winn	59 min
Dec 27, 8:22 AM CST	Special Weather Statement	SHV	LaSalle	38 min
Dec 27, 9:24 AM CST	River Flood Warning	SHV	Bienville, Bossier, Red River, Webster	18 days

Nearby

River Flood Warnings in Louisiana, 2018 Every river flood warning in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.