Alert archive / Louisiana / River Flood Warnings in 2015

River Flood Warning 55, NWS Shreveport, LA

March 13, 2015Caddo Parish, De Soto Parish, Louisiana

NWS Shreveport, LA issued this river flood warning at Mar 13, 2015, 6:32 AM CDT for Caddo Parish, De Soto Parish, Louisiana. It was in force for 7 days.

The area

The counties it named.

The facts

Issued: Mar 13, 2015, 6:32 AM CDT (11:32 UTC)
Expired: Mar 20, 2015, 6:32 AM CDT
In force: 7 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 11:35 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 Mar 12, 6:31 PM CDT, 12 hours 1 minute earlier.

Area forecast discussion, Mar 12, 6:31 PM CDT, 12 hours 1 minute before

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Hazardous weather outlook, Mar 12, 12:01 PM CDT, 18 hours 31 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SHREVEPORT LA
1201 PM CDT THU MAR 12 2015

ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-TXZ097-112-
126-138-149>153-165>167-131715-
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-BOWIE-CASS-MARION-HARRISON-CHEROKEE-RUSK-
PANOLA-NACOGDOCHES-SHELBY-ANGELINA-SAN AUGUSTINE-
1201 PM CDT THU MAR 12 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
ARKANSAS...SOUTHWEST ARKANSAS...NORTH CENTRAL LOUISIANA...
NORTHWEST LOUISIANA...TEXAS AND NORTHEAST TEXAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT
...FLASH FLOOD WATCH IN EFFECT THROUGH 7 AM FRIDAY MORNING...
WIDESPREAD SHOWERS AND SCATTERED THUNDERSTORMS WILL PRODUCE
LOCALLY HEAVY RAINFALL AMOUNTS OF TWO TO FOUR INCHES THROUGH
TONIGHT AS A SURFACE LOW AND WARM FRONT ADVANCE NORTH FROM THE
GULF ACROSS OUR REGION...ALONG WITH AN UPPER LEVEL TROUGH SHIFTING
NORTH ACROSS THE REGION. VERY HEAVY RAINFALL OF TWO TO FOUR INCHES
HAS ALREADY FALLEN ACROSS PORTIONS OF THE AREA SINCE THE PREDAWN
HOURS THIS MORNING. RAINFALL MAY PRODUCE SOME MINOR FLOODING OF
LOW LYING AND POOR DRAINAGE AREAS WHERE PREVIOUS RAINS HAVE
ALREADY SATURATED SOILS...WITH MORE SIGNIFICANT FLOODING POSSIBLE
WHERE PROLONGED HEAVY RAINFALL OCCURS...ESPECIALLY IN URBAN AREAS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY
RAIN WILL TAPER OFF FRIDAY...WITH SCATTERED SHOWERS RETURNING
SATURDAY AS A WEAK COLD FRONT MOVES BACK ACROSS THE REGION. SHOWERS
AND THUNDERSTORMS WILL RETURN LATE TUESDAY INTO WEDNESDAY NEXT
WEEK. HOWEVER...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...
DUE TO LOCALIZED NATURE OF ANY POSSIBLE FLOODING...ACTIVATION OF
EMERGENCY MANAGEMENT PERSONNEL...AMATEUR RADIO OPERATORS...AND
STORM SPOTTERS IS NOT ANTICIPATED AT THIS TIME...THROUGH TONIGHT.

OKZ077-TXZ096-108>111-124-125-136-137-131715-
MCCURTAIN-RED RIVER-FRANKLIN-TITUS-CAMP-MORRIS-WOOD-UPSHUR-SMITH-
GREGG-
1201 PM CDT THU MAR 12 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST
OKLAHOMA AND NORTHEAST TEXAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT
...FLASH FLOOD WATCH IN EFFECT THROUGH 7 AM FRIDAY MORNING
WIDESPREAD SHOWERS AND ISOLATED THUNDERSTORMS WILL PRODUCE LOCALLY
HEAVY RAINFALL AMOUNTS OF TWO TO FOUR INCHES THROUGH TONIGHT AS A
SURFACE LOW AND WARM FRONT ADVANCE NORTH FROM THE GULF ACROSS OUR
REGION...ALONG WITH AN UPPER LEVEL TROUGH SHIFTING NORTH ACROSS
THE REGION. RAINFALL MAY PRODUCE SOME MINOR FLOODING OF LOW LYING
AND POOR DRAINAGE AREAS WHERE PREVIOUS RAINS HAVE ALREADY
SATURATED SOILS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY
RAIN MAY BEGIN TO TAPER OFF FRIDAY...HOWEVER...ISOLATED TO
POSSIBLY SCATTERED SHOWERS RETURNING TO THE AREA SATURDAY AS A
WEAK COLD FRONT APPROACHES THE REGION. SHOWERS AND THUNDERSTORMS
WILL RETURN LATE TUESDAY INTO WEDNESDAY NEXT WEEK. HOWEVER...NO
HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...
ACTIVATION OF EMERGENCY MANAGEMENT PERSONNEL...AMATEUR RADIO
OPERATORS...AND STORM SPOTTERS REMAINS A POSSIBILITY IN CERTAIN
FLOOD PRONE AREAS...WHERE CONTINUED HEAVY RAINFALL BECOMES
CONCENTRATED...THROUGH TONIGHT.

VII

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 13, 6:05 AM CDT	River Flood Warning	SHV	Sabine, San Augustine	37 hr
Mar 13, 8:42 AM CDT	River Flood Warning	SHV	Panola, Shelby	7 days
Mar 13, 4:19 AM CDT	Areal Flood Advisory	SHV	Columbia, Hempstead, Lafayette, Nevada	3 hr
Mar 13, 7:16 AM CDT	Areal Flood Advisory	SHV	Columbia, Hempstead, Lafayette, Nevada	4 hr

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.