Alert archive / Texas / Flash Flood Warnings in 2021
Flash Flood Warning 5, NWS Shreveport, LA
NWS Shreveport, LA issued this flash flood warning at May 9, 2021, 6:58 PM CDT for 5 counties in Texas; Sabine Parish, Louisiana. It was in force for 10 hr. 11 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 9, 2021, 6:58 PM CDT (23:58 UTC)
- Expired
- May 10, 2021, 5:00 AM CDT
- In force
- 10 hr
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Sabine Parish, LA, Angelina County, TX, Nacogdoches County, TX, Sabine County, TX, San Augustine County, TX, Shelby County, TX
The radar
The Ft Polk radar (KPOE), 107 km from the middle of the area, began a volume at 00:05 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 9, 7:03 PM CDT | FLASH FLOOD | 9 Ne Broaddus, TX | STATE HWY 103 REPORTED FLOODED IN SEVERAL LOCATIONS SOUTH OF SAN AUGUSTINE. |
| May 9, 7:10 PM CDT | FLASH FLOOD | Lufkin, TX | ROADS CLOSED TO FLOODING: KURTH DRIVE TULANE STREET FRANK AVENUE (UNDERPASS SPECIFICALLY AND OTHER ISOLATED AREAS OF FRANK AVENUE) RAGUET STREET ELLIS AVENUE KILN AVENUE BYNUM STREET HILL STREET DOUGLAS STREET SOME VEHICLES STALLED IN WATER IN INTERSECTIONS WI |
| May 9, 7:10 PM CDT | FLASH FLOOD | Lufkin, TX | HIGH WATER REPORTED ON FM 2497, FM 328, FM 1669, SH 103 WEST, FM 1475, FM 706 AT CRAWFORD CREEK AND FM 2109. SH 103 WEST NEAR NEWMAN ROAD, FM 1475 AND US 69 NORTH FOR FLOODED ROADWAYS. SEVERAL ROADS IN LUFKIN ARE REPORTED FLOODED WITH REPORTS OF ENTRAPMENT IN |
| May 9, 7:15 PM CDT | FLASH FLOOD | 7 N Hemphill, TX | STREET FLOODING OCCURRING. |
| May 9, 7:50 PM CDT | FLASH FLOOD | Lufkin, TX | CORRECTS PREVIOUS FLASH FLOOD REPORT FROM LUFKIN. CORRECTS TIME FOR PREVIOUS FLASH FLOOD REPORT FROM LUFKIN. HIGH WATER REPORTED ON FM 2497, FM 328, FM 1669, SH 103 WEST, FM 1475, FM 706 AT CRAWFORD CREEK AND FM 2109. SH 103 WEST NEAR NEWMAN ROAD, FM 1475 AND |
| May 9, 8:00 PM CDT | FLASH FLOOD | Lufkin, TX | CORRECTS PREVIOUS FLASH FLOOD REPORT FROM LUFKIN. REPORTS THAT THE BRIARWOOD SUBDIVISION MULTIPLE STREETS FLOODED AND NUMEROUS CARS STRANDED IN THE AREA. |
| May 9, 8:20 PM CDT | FLASH FLOOD | Lufkin, TX | CITY MANAGEMENT IS ASKING ALL RESIDENTS TO STAY HOME IS POSSIBLE. WATER IS REPORTEDLY UP TO THE HOODS OF SEVERAL VEHICLES STRANDED ON RAGUET STREET AT THE INTERSECTION OF JEFFERSON AVENUE. THE ROAD IS CURRENTLY IMPASSABLE. THERE HAVE BEEN REPORTS OF TWO PEOPLE |
| May 9, 8:45 PM CDT | FLASH FLOOD | 9 Ssw Chireno, TX | NACOGDOCHES COUNTY EMERGENCY MANAGEMENT OFFICE REPORT COUNTY ROADS 460 AND 560 IN THE ETOILE AREA ARE CLOSED DUE TO FLASH FLOODING. |
| May 9, 9:00 PM CDT | FLASH FLOOD | 8 Ese Broaddus, TX | FM 705 JUST NORTH OF HIGHWAY 83 WEST OF THE ANTHONY HARBOR COMMUNITY WAS FLOODED. |
| May 9, 10:00 PM CDT | FLASH FLOOD | 3 Ese Florien, LA | SEVERAL PARISH ROADS ACROSS THE SOUTHERN SECTIONS OF SABINE PARISH WERE FLOODED AND CLOSED. |
| May 9, 10:00 PM CDT | FLASH FLOOD | 4 Nw Hemphill, TX | FM 1592 NORTHWEST OF HEMPHILL WAS FLOODED AND CLOSED. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Shreveport, LA (KSHV), launched 12:00Z, 12.0 hours before the alert went out and 128 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 853 J/kg
- Mixed-layer CIN
- -220 J/kg
- Mixed-layer LCL
- 639 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 288 m²/s²
- 0-3 km storm-relative helicity
- 490 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted.
344
WGUS54 KSHV 092358
FFWSHV
LAC085-TXC005-347-403-405-419-100400-
/O.NEW.KSHV.FF.W.0005.210509T2358Z-210510T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Shreveport LA
658 PM CDT Sun May 9 2021
The National Weather Service in Shreveport has issued a
* Flash Flood Warning for...
Sabine Parish in northwestern Louisiana...
Angelina County in eastern Texas...
Southeastern Nacogdoches County in eastern Texas...
Sabine County in eastern Texas...
San Augustine County in eastern Texas...
Southeastern Shelby County in eastern Texas...
* Until 1100 PM CDT.
* At 658 PM CDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
2 and 4 inches of rain have fallen over already saturated grounds.
Additional thunderstorms continue to develop and will move over
the warned area through much of the evening. Flash flooding is
ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar and automated gauges.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flash flooding include...
Lufkin, Diboll, Milam, Hudson, Many, Huntington, San Augustine,
Zwolle, Hemphill, Pineland, Rosevine, Macune, Bland Lake, Etoile,
Burke, Zavalla, Florien, Fisher, Broaddus and Bronson.
Additional rainfall amounts of 1 to 3 inches are possible in the
warned area through 11 pm.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Please report flooding to your local law enforcement agency when you
can do so safely.
&&
LAT...LON 3144 9472 3140 9429 3162 9417 3165 9360
3171 9335 3152 9334 3152 9324 3136 9324
3136 9339 3128 9344 3128 9354 3117 9358
3116 9391 3103 9447 3115 9486 3123 9486
3126 9490 3129 9488 3137 9496
FLASH FLOOD...RADAR AND GAUGE INDICATED
EXPECTED RAINFALL...1-3 INCHES IN 4 HOURS
$$
154 follow-up statements
565
WGUS74 KSHV 100202
FFSSHV
Flash Flood Statement
National Weather Service Shreveport LA
902 PM CDT Sun May 9 2021
LAC085-TXC005-347-403-405-419-100400-
/O.CON.KSHV.FF.W.0005.000000T0000Z-210510T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sabine LA-Angelina TX-Nacogdoches TX-Sabine TX-San Augustine TX-
Shelby TX-
902 PM CDT Sun May 9 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 11 PM CDT THIS
EVENING FOR ANGELINA, SOUTHEASTERN NACOGDOCHES, SABINE, SAN
AUGUSTINE AND SOUTHEASTERN SHELBY COUNTIES AND SABINE PARISH...
At 902 PM CDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between 3
and 5 inches of rain have fallen across much of the warned area.
Numerous roads are flooded and closed, especially across Angelina
County. Flash flooding is ongoing.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar and automated gauges.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
Some locations that will experience flash flooding include...
Lufkin, Diboll, Milam, Hudson, Many, Huntington, San Augustine,
Zwolle, Hemphill, Pineland, Rosevine, Macune, Bland Lake, Etoile,
Burke, Zavalla, Florien, Fisher, Broaddus and Bronson.
Additional rainfall amounts of 1 to 2 inches are possible in the
warned area through 11 pm.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Please report flooding to your local law enforcement agency when you
can do so safely.
&&
LAT...LON 3144 9472 3140 9429 3162 9417 3165 9360
3171 9335 3152 9334 3152 9324 3136 9324
3136 9339 3128 9344 3128 9354 3117 9358
3116 9391 3103 9447 3115 9486 3123 9486
3126 9490 3129 9488 3137 9496
FLASH FLOOD...RADAR AND GAUGE INDICATED
EXPECTED RAINFALL...1-2.75 INCHES IN 2 HOURS
$$
15279
WGUS54 KSHV 100343
FFWSHV
LAC085-TXC005-347-403-405-419-100700-
/O.EXT.KSHV.FF.W.0005.000000T0000Z-210510T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Shreveport LA
1043 PM CDT Sun May 9 2021
The National Weather Service in Shreveport has extended the
* Flash Flood Warning for...
Sabine Parish in northwestern Louisiana...
Angelina County in eastern Texas...
Southeastern Nacogdoches County in eastern Texas...
Sabine County in eastern Texas...
San Augustine County in eastern Texas...
Southeastern Shelby County in eastern Texas...
* Until 200 AM CDT.
* At 1043 PM CDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
2 and 5 inches of rain have fallen. Flash flooding is ongoing or
expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar and automated gauges.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flash flooding include...
Lufkin, Diboll, Milam, Hudson, Many, Huntington, San Augustine,
Zwolle, Hemphill, Pineland, Rosevine, Macune, Bland Lake, Etoile,
Burke, Zavalla, Florien, Fisher, Broaddus and Bronson.
Additional rainfall amounts of 1 to 2 inches are possible in the
warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Please report flooding to your local law enforcement agency when you
can do so safely.
&&
LAT...LON 3144 9472 3140 9429 3162 9417 3165 9360
3171 9335 3152 9334 3152 9324 3136 9324
3136 9339 3128 9344 3128 9354 3117 9358
3116 9391 3103 9447 3115 9486 3123 9486
3126 9490 3129 9488 3137 9496
FLASH FLOOD...RADAR AND GAUGE INDICATED
$$
13058
WGUS54 KSHV 100625
FFWSHV
LAC085-TXC005-347-403-405-419-100900-
/O.EXT.KSHV.FF.W.0005.000000T0000Z-210510T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Shreveport LA
125 AM CDT Mon May 10 2021
The National Weather Service in Shreveport has extended the
* Flash Flood Warning for...
Sabine Parish in northwestern Louisiana...
Angelina County in eastern Texas...
Southeastern Nacogdoches County in eastern Texas...
Sabine County in eastern Texas...
San Augustine County in eastern Texas...
Southeastern Shelby County in eastern Texas...
* Until 400 AM CDT.
* At 125 AM CDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
3 and 6 inches of rain have fallen. Flash flooding is already
occurring.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar and automated gauges.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flash flooding include...
Lufkin, Diboll, Milam, Hudson, Many, Huntington, San Augustine,
Zwolle, Hemphill, Pineland, Rosevine, Macune, Bland Lake, Etoile,
Burke, Zavalla, Florien, Fisher, Broaddus and Bronson.
Additional rainfall amounts of 1 to 2 inches are possible in the
warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Please report flooding to your local law enforcement agency when you
can do so safely.
&&
LAT...LON 3144 9472 3140 9429 3162 9417 3165 9360
3171 9335 3152 9334 3152 9324 3136 9324
3136 9339 3128 9344 3128 9354 3117 9358
3116 9391 3103 9447 3115 9486 3123 9486
3126 9490 3129 9488 3137 9496
FLASH FLOOD...RADAR AND GAUGE INDICATED
$$
44011
WGUS54 KSHV 100846
FFWSHV
LAC085-TXC005-347-403-405-419-101000-
/O.EXT.KSHV.FF.W.0005.000000T0000Z-210510T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Shreveport LA
346 AM CDT Mon May 10 2021
The National Weather Service in Shreveport has extended the
* Flash Flood Warning for...
Sabine Parish in northwestern Louisiana...
Angelina County in eastern Texas...
Southeastern Nacogdoches County in eastern Texas...
Sabine County in eastern Texas...
San Augustine County in eastern Texas...
Southeastern Shelby County in eastern Texas...
* Until 500 AM CDT.
* At 346 AM CDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
3 and 6 inches of rain have fallen. Flash flooding is already
occurring.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar and automated gauges.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flash flooding include...
Lufkin, Diboll, Milam, Hudson, Many, Huntington, San Augustine,
Zwolle, Hemphill, Pineland, Rosevine, Macune, Bland Lake, Etoile,
Burke, Zavalla, Florien, Fisher, Broaddus and Bronson.
Additional rainfall amounts of 1 to 2 inches are possible in the
warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Please report flooding to your local law enforcement agency when you
can do so safely.
&&
LAT...LON 3144 9472 3140 9429 3162 9417 3165 9360
3171 9335 3152 9334 3152 9324 3136 9324
3136 9339 3128 9344 3128 9354 3117 9358
3116 9391 3103 9447 3115 9486 3123 9486
3126 9490 3129 9488 3137 9496
FLASH FLOOD...RADAR AND GAUGE INDICATED
$$
44The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 3:30 PM CDT | Special Weather Statement | SHV | Nacogdoches | 45 min |
| May 9, 3:56 PM CDT | Severe Thunderstorm Warning | SHV | Cherokee, Nacogdoches | 64 min |
| May 9, 3:59 PM CDT | Severe Thunderstorm Warning | SHV | Cherokee | 42 min |
| May 9, 4:26 PM CDT | Severe Thunderstorm Warning | SHV | Nacogdoches, San Augustine | 64 min |
| May 9, 4:50 PM CDT | Flash Flood Warning | SHV | Angelina, Cherokee, Nacogdoches, San Augustine, Shelby | 12 hr |
| May 9, 5:09 PM CDT | Special Weather Statement | SHV | Wood | 66 min |
| May 9, 5:18 PM CDT | Special Weather Statement | SHV | Angelina | 57 min |
| May 9, 5:28 PM CDT | Severe Thunderstorm Warning | SHV | Angelina, Cherokee, Nacogdoches, Sabine, San Augustine | 62 min |
| May 9, 6:23 PM CDT | Severe Thunderstorm Warning | SHV | Angelina, Sabine, San Augustine | 67 min |
| May 9, 12:30 PM CDT | Special Weather Statement | SHV | Bienville, Jackson | 45 min |
| May 9, 12:56 PM CDT | Severe Thunderstorm Warning | SHV | Jackson, Lincoln, Ouachita | 49 min |
| May 9, 1:24 PM CDT | Special Weather Statement | SHV | Claiborne | 51 min |
| May 9, 6:02 PM CDT | Special Weather Statement | SHV | Jackson | 58 min |
| May 9, 6:31 PM CDT | Special Weather Statement | SHV | Ouachita | 44 min |
Nearby
Flash Flood Warnings in Texas, 2021Flash Flood Warnings in Louisiana, 2021Every flash flood warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.