Alert archive / Louisiana / River Flood Warnings in 2015

River Flood Warning 92, NWS Shreveport, LA

May 8, 2015Webster Parish, Louisiana; Columbia County, Arkansas

NWS Shreveport, LA issued this river flood warning at May 8, 2015, 10:34 AM CDT for Webster Parish, Louisiana; Columbia County, Arkansas. It took effect at May 10, 2015, 7:00 AM CDT. It was in force for 30 days.

The area

The counties it named.

The facts

Issued: May 8, 2015, 10:34 AM CDT (15:34 UTC)
In effect from: May 10, 2015, 7:00 AM CDT
Expired: Jun 9, 2015, 11:43 AM CDT
In force: 30 days
Issued by: NWS Shreveport, LA
Area: Storm-based polygon
Flood severity: Minor

Counties Columbia County, AR, Webster Parish, LA

The radar

The Shreveport radar (KSHV), 77 km from the middle of the area, began a volume at 15:36 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 Bayou Dorcheat near Springhill (SPHL1).

Action stage: 10.5 ft
Minor stage: 11 ft
Moderate stage: 18 ft
Major stage: 21 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 07348700, 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 8, 8:30 AM CDT, 2 hours 4 minutes earlier.

Area forecast discussion, May 8, 8:30 AM CDT, 2 hours 4 minutes before

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Hazardous weather outlook, May 8, 5:10 AM CDT, 5 hours 24 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SHREVEPORT LA
510 AM CDT FRI MAY 8 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>167-091100-
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-
510 AM CDT FRI MAY 8 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 ACROSS THE ENTIRE AREA
TODAY AND INTO EARLY THIS EVENING. A COMPLEX OF THUNDERSTORMS MAY
MOVE INTO THE AREA LATE THIS AFTERNOON AND TONIGHT AS WELL. SOME
OF THESE STORMS COULD BE SEVERE WITH DAMAGING WINDS THE PRIMARY
THREAT. IN ADDITION...HEAVY RAINFALL WILL BE POSSIBLE WHICH COULD
LEAD TO LOCALIZED FLOODING.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY...

A COMPLEX OF THUNDERSTORMS MAY STILL BE MOVING ACROSS THE AREA
EARLY SATURDAY MORNING. AFTER THIS COMPLEX WEAKENS OR EXITS THE
AREA...ISOLATED TO WIDELY SCATTERED THUNDERSTORMS MAY DEVELOP
DURING PEAK AFTERNOON HEATING. ANOTHER COMPLEX OF STRONG TO SEVERE
THUNDERSTORMS MAY AFFECT THE AREA EARLY SATURDAY EVENING AND INTO
THE OVERNIGHT HOURS OF EARLY SUNDAY MORNING. DAMAGING WINDS SHOULD
BE THE PRIMARY THREATS WITH ANY SEVERE STORMS.

A COLD FRONT WILL APPROACH AND MOVE ACROSS THE REGION SUNDAY AND
INTO MONDAY. THIS FRONT WILL PROVIDE AN ENHANCED FOCUS FOR
THUNDERSTORM DEVELOPMENT. MORE STRONG TO SEVERE THUNDERSTORMS WILL
BE POSSIBLE AREAWIDE SUNDAY AND MONDAY. DAMAGING WINDS...LARGE
HAIL...AND ISOLATED TORNADOES WILL BE POSSIBLE. HEAVY RAINFALL
WILL ALSO POSSIBLE. RAINFALL AMOUNTS BETWEEN 2 AND 4 INCHES ARE
POSSIBLE THROUGH MONDAY MORNING. THIS COULD LEAD TO A THREAT FOR
FLASH FLOODING AND A RENEWED THREAT FOR FLOODING ALONG RIVERS AND
LAKES.

THE FRONT IS EXPECTED TO STALL JUST SOUTH OF THE AREA EARLY NEXT
WEEK. THUNDERSTORMS WILL REMAIN IN THE FORECAST THROUGH NEXT
THURSDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NECESSARY THIS EVENING OR TONIGHT.

09

In the hours before

Local storm report, May 8, 6:32 AM CDT, 4 hours 2 minutes before

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Local storm report, May 8, 6:38 AM CDT, 3 hours 56 minutes before

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Special weather statement, May 8, 7:13 AM CDT, 3 hours 21 minutes before

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Local storm report, May 8, 7:32 AM CDT, 3 hours 2 minutes before

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Local storm report, May 8, 7:33 AM CDT, 3 hours 1 minute before

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Local storm report, May 8, 7:43 AM CDT, 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
May 8, 12:20 AM CDT	Special Weather Statement	SHV	Camp, Franklin, Morris, Titus, Upshur, Wood	40 min
May 8, 12:54 AM CDT	Special Weather Statement	SHV	Camp, Morris, Titus, Upshur, Wood	51 min
May 8, 1:45 AM CDT	Special Weather Statement	SHV	Bowie, Cass	45 min
May 8, 5:35 AM CDT	Special Weather Statement	SHV	Harrison	40 min
May 8, 6:06 AM CDT	Flash Flood Warning	SHV	Harrison	3 hr
May 8, 6:26 AM CDT	Special Weather Statement	SHV	Harrison	64 min
May 8, 10:34 AM CDT	River Flood Warning	SHV	Franklin, Morris, Red River, Titus	8 days
May 8, 10:34 AM CDT	River Flood Warning	SHV	Bowie, Cass, Morris	76 days
May 8, 7:13 AM CDT	Special Weather Statement	SHV	Caddo	62 min
May 8, 2:35 AM CDT	Special Weather Statement	SHV	Lafayette, Miller	40 min

Nearby

River Flood Warnings in Louisiana, 2015 River Flood Warnings in Arkansas, 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.