Alert archive / Louisiana / River Flood Warnings in 2009

River Flood Warning 103, NWS Shreveport, LA

October 12, 20094 parishes in Louisiana

NWS Shreveport, LA issued this river flood warning at Oct 12, 2009, 10:55 AM CDT for 4 parishes in Louisiana. It took effect at Oct 14, 2009, 12:17 PM CDT. It was in force for 30 days.

The area

The counties it named.

The facts

Issued
Oct 12, 2009, 10:55 AM CDT (15:55 UTC)
In effect from
Oct 14, 2009, 12:17 PM CDT
Expired
Nov 13, 2009, 10:02 AM CST
In force
30 days
Issued by
NWS Shreveport, LA
Flood severity
Minor

Counties Bienville Parish, LA, Bossier Parish, LA, Red River Parish, LA, Webster Parish, LA

The radar

The Shreveport radar (KSHV), 48 km from the middle of the area, began a volume at 15:55 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 at Lake Bistineau (LBUL1). The gauge peaked at 17.49 ft at Nov 4, 2009, 8:00 AM CST.

actionminormoderatemajor5010010/1210/1310/1410/1510/1610/1710/1810/1910/2010/2110/2210/2310/2410/2510/2610/2710/2810/2910/3010/3111/0111/0211/0311/0411/0511/0611/0711/0811/0911/1011/1111/1211/1311/14
Action stage
142 ft
Minor stage
142.5 ft
Moderate stage
144 ft
Major stage
145 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 07349250, 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 Oct 12, 10:52 AM CDT, 3 minutes earlier.

Area forecast discussion, Oct 12, 10:52 AM CDT, 3 minutes before
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Hazardous weather outlook, Oct 12, 4:13 AM CDT, 6 hours 42 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SHREVEPORT LA
413 AM CDT MON OCT 12 2009

ARZ050-051-059>061-070>073-OKZ077-TXZ096-097-108>112-121800-
SEVIER-HOWARD-LITTLE RIVER-HEMPSTEAD-NEVADA-MILLER-LAFAYETTE-
COLUMBIA-UNION AR-MCCURTAIN-RED RIVER-BOWIE-FRANKLIN-TITUS-CAMP-
MORRIS-CASS-
413 AM CDT MON OCT 12 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
ARKANSAS...SOUTHWEST ARKANSAS...SOUTHEAST OKLAHOMA AND NORTHEAST
TEXAS.

.DAY ONE...TODAY AND TONIGHT...
PERIODS OF LIGHT TO MODERATE RAIN WILL CONTINUE THROUGH TONIGHT
ACROSS MUCH OF NORTHEAST TEXAS...MCCURTAIN COUNTY IN SOUTHEAST
OKLAHOMA...AS WELL AS SOUTHWEST ARKANSAS. ADDITIONAL RAINFALL
AMOUNTS THROUGH TONIGHT SHOULD NOT EXCEED ONE TO ONE AND ONE HALF
INCHES.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY...
PERIODS OF MODERATE TO HEAVY RAIN WILL BE POSSIBLE DURING THE DAY
TUESDAY ACROSS THE REGION AS A WARM FRONT PULLS UP NEARLY
STATIONARY SOUTH OF THE REGION...TOWARDS THE INTERSTATE 20
CORRIDOR OF NORTHEAST TEXAS INTO NORTHERN LOUISIANA. RAINFALL
AMOUNTS BEGINNING EARLY TUESDAY INTO TUESDAY NIGHT COULD TOTAL TWO
TO FOUR INCHES...ESPECIALLY ALONG AND NORTH OF THE INTERSTATE 30
CORRIDOR. THE GROUND REMAINS VERY SATURATED ACROSS THE REGION AND
ADDITIONAL RAINFALL OF THIS MAGNITUDE COULD CAUSE FLASH FLOODING
PROBLEMS.

.SPOTTER INFORMATION STATEMENT...
SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD NOT BE NEEDED
THROUGH TONIGHT. HOWEVER...IF HEAVY RAIN DEVELOPS ON TUESDAY...
FIRST RESPONDERS MAY BE NEEDED TO HELP ASSIST WITH FLOODING CONCERNS
ACROSS THEIR COUNTY.

LAZ001>006-010>014-017>022-TXZ124>126-136>138-149>153-165>167-
121800-
CADDO-BOSSIER-WEBSTER-CLAIBORNE-LINCOLN-UNION LA-DE SOTO-
RED RIVER-BIENVILLE-JACKSON-OUACHITA-SABINE LA-NATCHITOCHES-WINN-
GRANT-CALDWELL-LA SALLE-WOOD-UPSHUR-MARION-SMITH-GREGG-HARRISON-
CHEROKEE-RUSK-PANOLA-NACOGDOCHES-SHELBY-ANGELINA-SAN AUGUSTINE-
SABINE TX-
413 AM CDT MON OCT 12 2009

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

.DAY ONE...TODAY AND TONIGHT...
SHOWERS AND A FEW THUNDERSTORMS WILL BE POSSIBLE ACROSS THE REGION
TODAY. SOME OF THESE COULD CONTAIN PERIODS OF MODERATE RAINFALL...
ESPECIALLY ALONG AND SOUTH OF THE INTERSTATE 20 CORRIDOR OF
NORTHEAST TEXAS AND NORTHERN LOUISIANA AS A WARM FRONT BEGINS TO
LIFT NORTHWARD FROM THE LOUISIANA AND TEXAS GULF COAST.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY...
SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS WILL CONTINUE TO
PLAGUE THE REGION THROUGH AT LEAST THURSDAY. STORMS DURING THE DAY
THURSDAY COULD BE STRONG TO SEVERE IN NATURE BUT TIMING
DIFFERENCES AND WARM AIR ALOFT MAY PRECLUDE STRONG THUNDERSTORM
DEVELOPMENT. THIS WILL NEED TO BE CLOSELY MONITORED THROUGH THE
WEEK.

.SPOTTER INFORMATION STATEMENT...
ACTIVATION OF STORM SPOTTERS AND EMERGENCE MANAGEMENT PERSONNEL
SHOULD NOT BE NEEDED TODAY OR TONIGHT.

13

In the hours before

Local storm report, Oct 12, 9:17 AM CDT, 1 hour 38 minutes before
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Local storm report, Oct 12, 10:44 AM CDT, 11 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Oct 12, 8:52 AM CDTFlash Flood WarningSHVCass, Harrison, Marion4 hr
Oct 12, 9:24 AM CDTRiver Flood WarningSHVGregg, Smith, Upshur, Wood33 days
Oct 12, 9:24 AM CDTRiver Flood WarningSHVWood6 days
Oct 12, 9:51 AM CDTAreal Flood AdvisorySHVHarrison, Panola114 min
Oct 12, 7:41 AM CDTAreal Flood AdvisorySHVUnion79 min
Oct 12, 1:31 PM CDTAreal Flood AdvisorySHVWinn119 min
Oct 12, 10:36 AM CDTAreal Flood AdvisorySHVUnion114 min

Nearby

River Flood Warnings in Louisiana, 2009Every river flood warning in 2009

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.