Alert archive / Louisiana / River Flood Warnings in 2015

River Flood Warning 130, NWS Shreveport, LA

May 20, 2015Bossier Parish, Caddo Parish, Red River Parish, Louisiana

NWS Shreveport, LA issued this river flood warning at May 20, 2015, 10:32 AM CDT for Bossier Parish, Caddo Parish, Red River Parish, Louisiana. It took effect at May 23, 2015, 1:00 AM CDT. It was in force for 25 days.

The area

The counties it named.

The facts

Issued: May 20, 2015, 10:32 AM CDT (15:32 UTC)
In effect from: May 23, 2015, 1:00 AM CDT
Expired: Jun 17, 2015, 10:43 AM CDT
In force: 25 days
Issued by: NWS Shreveport, LA
Area: Storm-based polygon
Flood severity: Moderate

Counties Bossier Parish, LA, Caddo Parish, LA, Red River Parish, LA

The radar

The Shreveport radar (KSHV), 22 km from the middle of the area, began a volume at 15:32 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 Red River at Shreveport (SVPL1).

Action stage: 26 ft
Minor stage: 30 ft
Moderate stage: 31.5 ft
Major stage: 33 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 07348500, 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 May 20, 6:59 AM CDT, 3 hours 33 minutes earlier.

Area forecast discussion, May 20, 6:59 AM CDT, 3 hours 33 minutes before

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Hazardous weather outlook, May 20, 4:19 AM CDT, 6 hours 13 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SHREVEPORT LA
419 AM CDT WED MAY 20 2015

ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-
TXZ096-097-108>112-124>126-136>138-149>153-165>167-201700-
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-
419 AM CDT WED MAY 20 2015

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...

SCATTERED THUNDERSTORMS WILL BE POSSIBLE TODAY AND TONIGHT. BRIEF
HEAVY RAINFALL AND LOCALLY GUSTY WINDS WILL BE POSSIBLE IN THE
STRONGER STORMS. LOCALIZED FLOODING IS POSSIBLE ACROSS SOUTHEAST
OKLAHOMA INTO SOUTHWEST ARKANSAS...WHERE THE LARGER RAINFALL
AMOUNTS ARE EXPECTED.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY...

THE CHANCE OF THUNDERSTORMS WILL CONTINUE EACH DAY. HOWEVER...NO
WIDESPREAD HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

ACTIVATION OF EMERGENCY MANAGEMENT PERSONNEL...AMATEUR RADIO
OPERATORS AND STORM SPOTTERS IS NOT ANTICIPATED THROUGH TONIGHT.

The office that day

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

Issued	Product	Office	Counties	Lasted
May 19, 8:08 PM CDT	River Flood Warning	SHV	Angelina, Jasper, Polk, Tyler	16 days
May 20, 4:41 AM CDT	Flash Flood Warning	SHV	Red River	7 hr
May 19, 8:08 PM CDT	River Flood Warning	SHV	Caddo, De Soto	14 days

Nearby

River Flood Warnings in Louisiana, 2015 Every river 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; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.