Alert archive / Texas / River Flood Warnings in 2009

River Flood Warning 32, NWS Shreveport, LA

May 3, 2009Cass County, Marion County, Texas

NWS Shreveport, LA issued this river flood warning at May 3, 2009, 2:40 AM CDT for Cass County, Marion County, Texas. It took effect at May 4, 2009, 12:27 AM CDT. It was in force for 8 days.

The area

The counties it named.

The facts

Issued: May 3, 2009, 2:40 AM CDT (07:40 UTC)
In effect from: May 4, 2009, 12:27 AM CDT
Expired: May 12, 2009, 10:05 AM CDT
In force: 8 days
Issued by: NWS Shreveport, LA
Flood severity: Minor

Counties Cass County, TX, Marion County, TX

The radar

The Shreveport radar (KSHV), 72 km from the middle of the area, began a volume at 07:43 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 Black Cypress Bayou near Jefferson (JEFT2).

Action stage: 12.5 ft
Minor stage: 13 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 07346045, 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 2, 11:52 PM CDT, 2 hours 48 minutes earlier.

Area forecast discussion, May 2, 11:52 PM CDT, 2 hours 48 minutes before

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Hazardous weather outlook, May 2, 12:00 PM CDT, 14 hours 40 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SHREVEPORT LA
1200 PM CDT SAT MAY 2 2009

ARZ072-LAZ001-002-010-TXZ126-136>138-149>151-031100-
BOSSIER-CADDO-CHEROKEE-COLUMBIA-DE SOTO-GREGG-HARRISON-MARION-PANOLA-
RUSK-SMITH-
1200 PM CDT SAT MAY 2 2009

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

.DAY ONE...THIS AFTERNOON AND TONIGHT...

SHOWERS AND THUNDERSTORMS WILL BE INCREASING DURING THE AFTERNOON
HOURS...AS WARM...MOIST...AND UNSTABLE AIR COMBINE WITH UPPER
DISTURBANCES AND A COLD FRONT WRAPPING SOUTHEAST AROUND A SURFACE LOW
NEAR THE RED RIVER IN NORTHEAST TEXAS...SOUTHWEST ARKANSAS...AND
SOUTHEAST OKLAHOMA. THERE WILL BE A SLIGHT CHANCE FOR STORMS
TO BECOME SEVERE...PRODUCING MAINLY LARGE HAIL AND ISOLATED HIGH
AND DAMAGING WINDS...ALONG WITH LOCALLY HEAVY RAINFALL DURING THE
AFTERNOON...BUT MORE LIKELY OVERNIGHT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY...

A COLD FRONT WILL CONTINUE WRAPPING AROUND A SURFACE LOW PRESSURE
SYSTEM THAT WILL BE MOVING INTO SOUTH CENTRAL ARKANSAS AND
NORTHWEST AND NORTH CENTRAL LOUISIANA SUNDAY. THIS COMBINATION
WILL PROVIDE A FOCUS FOR SHOWERS WITH LOCALLY HEAVY
RAINFALL...AND STRONG TO SEVERE THUNDERSTORMS TO
BECOME WIDESPREAD INTO EARLY MONDAY BEFORE ENDING. DAMAGING
WINDS AND LARGE HAIL WILL BE THE MAIN THREATS...BUT ISOLATED
TORNADOES WILL BE POSSIBLE. FLASH FLOODING WILL BE POSSIBLE WITH
RAINFALL AMOUNTS OF 1 TO 3 INCHES IN A SHORT PERIOD OF TIME
WITH ISOLATED HIGHER AMOUNTS TO 4 INCHES BY EARLY MONDAY.

.SPOTTER INFORMATION STATEMENT...

ACTIVATION OF HAM RADIO OPERATORS...EMERGENCY MANAGERS...AND
STORM SPOTTERS MAY BE NEEDED TONIGHT.

ARZ073-LAZ003>006-011>014-017>022-TXZ152-153-165>167-031100-
ANGELINA-BIENVILLE-CALDWELL-CLAIBORNE-GRANT-JACKSON-LA SALLE-LINCOLN-
NACOGDOCHES-NATCHITOCHES-OUACHITA-RED RIVER LA-SABINE LA-SABINE TX-
SAN AUGUSTINE-SHELBY-UNION AR-UNION LA-WEBSTER-WINN-
1200 PM CDT SAT MAY 2 2009

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

.DAY ONE...THIS AFTERNOON AND TONIGHT...

SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WILL LIKELY DEVELOP
IN THE MOIST AND UNSTABLE ATMOSPHERE THAT IS CURRENTLY IN PLACE.
HOWEVER...WITH NO SURFACE BOUNDARIES TO ENHANCE LIFT...STORMS WILL
LIKELY REMAIN BELOW SEVERE LIMITS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY...

A COLD FRONT WILL CONTINUE WRAPPING AROUND A SURFACE LOW PRESSURE
SYSTEM THAT WILL BE MOVING INTO SOUTH CENTRAL ARKANSAS AND
NORTHWEST AND NORTH CENTRAL LOUISIANA SUNDAY. THIS COMBINATION
WILL PROVIDE A FOCUS FOR SHOWERS WITH LOCALLY HEAVY RAINFALL...
AND STRONG TO SEVERE THUNDERSTORMS TO BECOME WIDESPREAD INTO EARLY
MONDAY BEFORE ENDING. DAMAGING WINDS AND LARGE HAIL WILL BE THE MAIN
THREATS...BUT ISOLATED TORNADOES WILL BE POSSIBLE. FLASH FLOODING
WILL BE POSSIBLE WITH RAINFALL AMOUNTS OF 1 TO 2 INCHES IN A SHORT
PERIOD OF TIME WITH ISOLATED HIGHER AMOUNTS TO 3 TO 4 INCHES BY EARLY
MONDAY.

.SPOTTER INFORMATION STATEMENT...

ACTIVATION OF HAM RADIO OPERATORS...EMERGENCY MANAGERS...AND
STORM SPOTTERS SHOULD NOT BE NEEDED THIS AFTERNOON OR TONIGHT...
BUT MAY BE REQUIRED FOR SUNDAY.

ARZ050-051-059>061-070-071-OKZ077-TXZ096-097-108>112-124-125-031100-
BOWIE-CAMP-CASS-FRANKLIN-HEMPSTEAD-HOWARD-LAFAYETTE-LITTLE RIVER-
MCCURTAIN-MILLER-MORRIS-NEVADA-RED RIVER TX-SEVIER-TITUS-UPSHUR-WOOD-
1200 PM CDT SAT MAY 2 2009

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

.DAY ONE...THIS AFTERNOON AND TONIGHT...

AMPLE MOISTURE AND INSTABILITY WILL LEAD TO SHOWER AND THUNDERSTORM
DEVELOPMENT TODAY AND CARRY OVER THROUGH TONIGHT AS A COLD FRONT
WRAPPING AROUND SURFACE LOW PRESSURE MOVE OVER THE REGION.
SHOWERS PRODUCING LOCALLY HEAVY RAINFALL...TRAINING OVER THE SAME
AREAS...ALONG WITH SCATTERED STRONG TO SEVERE THUNDERSTORMS...
PRODUCING DAMAGING WINDS AND LARGE HAIL...BY LATE IN THE AFTERNOON.
AN ISOLATED TORNADO WILL ALSO BE POSSIBLE OVERNIGHT. RAINFALL TOTALS
THROUGH LATE SUNDAY WILL BE 3 TO 5 INCHES WITH ISOLATED HIGHER
AMOUNTS TO NEAR 6 TO 7 INCHES.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY...

THE SURFACE LOW PRESSURE SYSTEM WILL BE MOVING INTO
SOUTHWEST AND SOUTH CENTRAL ARKANSAS AND NORTHWEST
LOUISIANA BY SUNDAY WITH THE COLD FRONT WRAPPING SOUTHWEST
THROUGH EAST TEXAS. WIDESPREAD SHOWERS AND THUNDERSTORMS WILL BE
OCCURRING ALONG AND NEAR THE SYSTEM AS WELL AS IN WAKE OF BOUNDARY
AND LOW. THIS WILL PROLONG LOCALLY HEAVY RAINFALL AND A THREAT FOR
LARGE HAIL IN THE COLDER AIR. RAINFALL TOTALS INTO MONDAY WILL BE
4 TO 6 INCHES WITH ISOLATED HIGHER AMOUNTS TO JUST OVER 8 INCHES.

.SPOTTER INFORMATION STATEMENT...

ACTIVATION OF HAM RADIO OPERATORS...EMERGENCY MANAGERS...AND
STORM SPOTTERS COULD POSSIBLY BE NEEDED LATER THIS AFTERNOON AND
TONIGHT.

VII

In the hours before

Special weather statement, May 3, 1:19 AM CDT, 1 hour 21 minutes before

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Local storm report, May 3, 1:20 AM CDT, 1 hour 20 minutes before

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Local storm report, May 3, 1:54 AM CDT, 46 minutes before

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Local storm report, May 3, 1:59 AM CDT, 41 minutes before

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Special weather statement, May 3, 2:01 AM CDT, 39 minutes before

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Local storm report, May 3, 2:29 AM CDT, 11 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 2, 7:38 PM CDT	Severe Thunderstorm Warning	SHV	Camp, Franklin, Gregg, Smith, Titus, Upshur and 1 more	52 min
May 2, 8:03 PM CDT	Flash Flood Warning	SHV	Bowie, Red River	7 hr
May 2, 8:21 PM CDT	Flash Flood Warning	SHV	Camp, Franklin, Gregg, Red River, Smith, Titus and 2 more	3 hr
May 2, 8:29 PM CDT	Severe Thunderstorm Warning	SHV	Bowie, Camp, Franklin, Gregg, Morris, Red River and 3 more	61 min
May 2, 8:35 PM CDT	Tornado Warning	SHV	Camp, Franklin, Titus, Upshur, Wood	25 min
May 2, 8:50 PM CDT	Severe Thunderstorm Warning	SHV	Bowie, Camp, Cass, Gregg, Harrison, Marion and 3 more	55 min
May 2, 8:56 PM CDT	Tornado Warning	SHV	Camp, Cass, Marion, Morris, Titus, Upshur	49 min
May 2, 9:08 PM CDT	Flash Flood Warning	SHV	Bowie	12 hr
May 2, 11:14 PM CDT	Flash Flood Warning	SHV	Camp, Franklin, Morris, Red River, Titus, Upshur and 1 more	11 hr
May 2, 11:14 PM CDT	Severe Thunderstorm Warning	SHV	Camp, Franklin, Morris, Red River, Titus, Upshur and 1 more	61 min
May 3, 12:10 AM CDT	Severe Thunderstorm Warning	SHV	Smith, Upshur, Wood	65 min
May 3, 12:23 AM CDT	Severe Thunderstorm Warning	SHV	Bowie, Camp, Cass, Marion, Morris, Titus and 1 more	37 min
May 3, 1:01 AM CDT	Severe Thunderstorm Warning	SHV	Bowie, Cass, Harrison, Marion	59 min
May 3, 1:07 AM CDT	Severe Thunderstorm Warning	SHV	Smith	53 min
May 3, 3:50 AM CDT	River Flood Warning	SHV	Smith, Wood	8 days
May 3, 3:50 AM CDT	River Flood Warning	SHV	Wood	6 days
May 3, 6:13 AM CDT	Severe Thunderstorm Warning	SHV	Angelina, Cherokee, Nacogdoches, Rusk	62 min
May 3, 6:52 AM CDT	Severe Thunderstorm Warning	SHV	Angelina, Nacogdoches, Panola, Rusk, Sabine, San Augustine and 1 more	53 min
May 3, 7:44 AM CDT	Severe Thunderstorm Warning	SHV	Sabine, San Augustine	61 min
May 3, 11:08 AM CDT	River Flood Warning	SHV	Upshur, Wood	58 hr
May 3, 11:13 AM CDT	River Flood Warning	SHV	Gregg, Smith, Upshur, Wood	15 days
May 3, 11:50 AM CDT	River Flood Warning	SHV	Camp, Morris, Titus	5 days
May 3, 11:50 AM CDT	River Flood Warning	SHV	Cass, Harrison, Marion	9 days
May 2, 7:04 PM CDT	Severe Thunderstorm Warning	SHV	Union	26 min
May 2, 7:35 PM CDT	Severe Thunderstorm Warning	SHV	Claiborne, Lincoln, Union	55 min
May 2, 8:22 PM CDT	Severe Thunderstorm Warning	SHV	Lincoln, Ouachita, Union	38 min
May 3, 2:34 AM CDT	River Flood Warning	SHV	Webster	21 days
May 3, 5:38 AM CDT	Severe Thunderstorm Warning	SHV	Caldwell, Jackson, Ouachita, Winn	37 min
May 3, 7:18 AM CDT	Flash Flood Warning	SHV	Bossier, Caddo	4 hr
May 3, 7:36 AM CDT	Tornado Warning	SHV	Bienville, Jackson, Lincoln	39 min
May 3, 7:57 AM CDT	Flash Flood Warning	SHV	Bienville, Claiborne, Lincoln, Red River, Webster	4 hr
May 3, 8:01 AM CDT	Tornado Warning	SHV	Bienville, Jackson	59 min
May 3, 8:43 AM CDT	Severe Thunderstorm Warning	SHV	Caldwell, Grant, LaSalle, Natchitoches, Winn	50 min
May 3, 9:02 AM CDT	Tornado Warning	SHV	Jackson, Ouachita	36 min
May 3, 11:54 AM CDT	River Flood Warning	SHV	Bienville, Bossier, Webster	24 hr
May 3, 4:14 PM CDT	River Flood Warning	SHV	Bossier, Webster	19 hr
May 3, 4:14 PM CDT	River Flood Warning	SHV	Bienville, Bossier, Red River, Webster	42 hr
May 2, 10:16 PM CDT	Flash Flood Warning	SHV	Columbia, Union	8 hr
May 2, 10:23 PM CDT	Flash Flood Warning	SHV	Hempstead, Howard, Nevada, Sevier	4 hr
May 3, 8:42 AM CDT	Flash Flood Warning	SHV	Columbia, Hempstead, Lafayette, Little River, Miller, Nevada	3 hr

Nearby

River Flood Warnings in Texas, 2009 Every 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.