Alert archive / Texas / Flash Flood Warnings in 2021

Flash Flood Warning 14, NWS Shreveport, LA

June 5, 2021Panola County, Texas

NWS Shreveport, LA issued this flash flood warning at Jun 5, 2021, 8:26 PM CDT for Panola County, Texas. It was in force for 3 hr. 3 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
Jun 5, 2021, 8:26 PM CDT (01:26 UTC)
Expired
Jun 5, 2021, 11:30 PM CDT
In force
3 hr
Issued by
NWS Shreveport, LA
Area
Storm-based polygon
Flood severity
None

County Panola County, TX

The radar

The Shreveport radar (KSHV), 52 km from the middle of the area, began a volume at 01:26 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

TimeReportWhereRemark
Jun 5, 8:31 PM CDTFLASH FLOOD2 Nnw Gary City, TXRUSHING WATER OVER FM 10 IN MULTIPLE LOCATIONS NEAR COUNTY ROAD 119, NEAR GARY CITY.
Jun 5, 9:50 PM CDTFLASH FLOOD12 E Carthage, TXFM 31 NORTH AND SOUTH OF THE INTERSECTION OF FM 2517 IN THE DEADWOOD COMMUNITY HAD HIGH RUSHING WATER OVER THE ROADWAY. TRAVEL IS HIGHLY DISCOURAGED IN THIS AREA.
Jun 5, 9:50 PM CDTFLASH FLOOD3 Sse Carthage, TXHIGHWAY 59 JUST SOUTH OF CARTHAGE WAS COVERED IN HIGH WATER, DIRT, AND DEBRIS OVER THE ROADWAY.

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 00:00Z, 1.4 hours before the alert went out and 61 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.

Skew-T log-pSkew-T log-p diagram, Shreveport, LA at 00:00Z on 2021-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 706 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Shreveport, LA at 00:00Z on 2021-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
706 J/kg
Mixed-layer CIN
-37 J/kg
Mixed-layer LCL
834 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
46 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.5

Open this sounding in Storm Lab

The text

As transmitted.

425 
WGUS54 KSHV 060126
FFWSHV
TXC365-060430-
/O.NEW.KSHV.FF.W.0014.210606T0126Z-210606T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Shreveport LA
826 PM CDT Sat Jun 5 2021

The National Weather Service in Shreveport has issued a

* Flash Flood Warning for...
  Southeastern Panola County in northeastern Texas...

* Until 1130 PM CDT.

* At 826 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 since this afternoon, 
  especially over Southern and Eastern Panola County. 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...
  Carthage, Gary City, Deadwood, Front, Woods and Midyett.

Additional rainfall amounts of 1 to 3 inches are possible in the 
warned area through 1130 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.

&&

LAT...LON 3222 9441 3198 9439 3201 9405 3229 9405

FLASH FLOOD...RADAR AND GAUGE INDICATED
EXPECTED RAINFALL...1-3 INCHES IN 3 HOURS 

$$

15
1 follow-up statement
931 
WGUS74 KSHV 060331
FFSSHV

Flash Flood Statement
National Weather Service Shreveport LA
1031 PM CDT Sat Jun 5 2021

TXC365-060430-
/O.CON.KSHV.FF.W.0014.000000T0000Z-210606T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Panola TX-
1031 PM CDT Sat Jun 5 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT THIS 
EVENING FOR SOUTHEASTERN PANOLA COUNTY...

At 1031 PM CDT, Doppler radar and automated rain gauges indicated 
thunderstorms producing heavy rain across much of the warned area. 
Between 4 and 8 inches of rain have fallen since this afternoon, 
with two day rainfall amounts of 6 to in excess of 12 inches having 
fallen. Flash flooding is already occurring, with multiple roads 
flooded and closed across Southern and Eastern Panola County.

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...
  Carthage, Gary City, Deadwood, Front, Woods and Midyett.

Additional rainfall amounts up to one-half inch are possible in the 
warned area through 1130 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 3222 9441 3198 9439 3201 9405 3229 9405

FLASH FLOOD...RADAR AND GAUGE INDICATED
EXPECTED RAINFALL...0.5 INCHES IN 1 HOUR 

$$

15

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 7:42 PM CDTAreal Flood AdvisorySHVPanola3 hr
Jun 5, 8:33 PM CDTSpecial Weather StatementSHVWood42 min
Jun 5, 9:11 PM CDTAreal Flood AdvisorySHVWood2 hr
Jun 6, 2:52 AM CDTRiver Flood WarningSHVPanola, Shelby6 days
Jun 6, 8:58 AM CDTRiver Flood WarningSHVWood47 hr
Jun 6, 9:05 AM CDTRiver Flood WarningSHVFranklin, Morris, Red River, Titus6 days
Jun 6, 5:24 PM CDTSpecial Weather StatementSHVRusk66 min

Nearby

Flash Flood Warnings in Texas, 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.