Alert archive / Texas / Flash Flood Warnings in 2021

Flash Flood Warning 16, NWS Lubbock, TX

July 15, 20214 counties in Texas

NWS Lubbock, TX issued this flash flood warning at Jul 15, 2021, 9:37 PM CDT for 4 counties in Texas. It was in force for 3 hr. 1 report 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: Jul 15, 2021, 9:37 PM CDT (02:37 UTC)
Expired: Jul 16, 2021, 12:15 AM CDT
In force: 3 hr
Issued by: NWS Lubbock, TX
Area: Storm-based polygon
Flood severity: None

Counties Briscoe County, TX, Floyd County, TX, Hale County, TX, Swisher County, TX

The radar

The Lubbock radar (KLBB), 82 km from the middle of the area, began a volume at 02:39 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
Jul 15, 11:01 PM CDT	HEAVY RAIN 4.72	3 Wsw Aiken, TX	4.72 OF RAIN FELL IN 2 HOURS FROM 9:01 PM UNTIL 11:01 PM. PEAK ONE HOUR RAINFALL DURING THIS TIME PERIOD WAS 3.43 FROM 9:31 PM TO 10:31 PM.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 2.6 hours before the alert went out and 101 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 128 J/kg
Mixed-layer CIN: -152 J/kg
Mixed-layer LCL: 1769 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 91 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted.

862 
WGUS54 KLUB 160237
FFWLUB
TXC045-153-189-437-160430-
/O.NEW.KLUB.FF.W.0016.210716T0237Z-210716T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lubbock TX
937 PM CDT Thu Jul 15 2021

The National Weather Service in Lubbock has issued a

* Flash Flood Warning for...
  Northwestern Floyd County in northwestern Texas...
  Northeastern Hale County in northwestern Texas...
  Southwestern Briscoe County in the panhandle of Texas...
  Southeastern Swisher County in the panhandle of Texas...

* Until 1130 PM CDT.

* At 937 PM CDT, Doppler radar indicated thunderstorms which are 
  nearly stationary producing heavy rain near Lockney. Up to 3 
  inches of rain have fallen. Additional rainfall amounts up to 3 
  inches are possible as additional storms move into the warned 
  area. Flash flooding is ongoing or expected to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Plainview, Lockney, Claytonville, Aiken and South Plains.

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 3453 10167 3453 10147 3442 10147 3442 10129
      3431 10129 3410 10129 3410 10156 3410 10167

FLASH FLOOD...RADAR INDICATED

$$

DWK

5 follow-up statements

232 
WGUS74 KLUB 160307
FFSLUB

Flash Flood Statement
National Weather Service Lubbock TX
1007 PM CDT Thu Jul 15 2021

TXC045-153-189-437-160430-
/O.CON.KLUB.FF.W.0016.000000T0000Z-210716T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Briscoe TX-Floyd TX-Hale TX-Swisher TX-
1007 PM CDT Thu Jul 15 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT THIS 
EVENING FOR NORTHWESTERN FLOYD, NORTHEASTERN HALE, SOUTHWESTERN 
BRISCOE AND SOUTHEASTERN SWISHER COUNTIES...

At 1007 PM CDT, Doppler radar indicated slow-moving thunderstorms 
producing heavy rain near Lockney. Up to 3 inches of rain have 
fallen, with the West Texas Mesonet station at Aiken measuring 2.43 
inches of rain within the past hour. Additional rainfall amounts up 
to 3 inches are possible as additional storms move through the 
warned area. Flash flooding is ongoing or expected to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar.

IMPACT...Flash flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other poor
         drainage and low-lying areas.

Some locations that will experience flash flooding include...
  Plainview, Lockney, Claytonville, Aiken and South Plains.

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 3453 10167 3453 10147 3442 10147 3442 10129
      3431 10129 3410 10129 3410 10156 3410 10167

FLASH FLOOD...RADAR INDICATED

$$

DWK

651 
WGUS74 KLUB 160339
FFSLUB

Flash Flood Statement
National Weather Service Lubbock TX
1039 PM CDT Thu Jul 15 2021

TXC045-153-189-437-160430-
/O.CON.KLUB.FF.W.0016.000000T0000Z-210716T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Briscoe TX-Floyd TX-Hale TX-Swisher TX-
1039 PM CDT Thu Jul 15 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT THIS 
EVENING FOR NORTHWESTERN FLOYD, NORTHEASTERN HALE, SOUTHWESTERN 
BRISCOE AND SOUTHEASTERN SWISHER COUNTIES...

At 1039 PM CDT, Doppler radar indicated slow-moving thunderstorms 
producing heavy rain near Lockney. Up to 5 inches of rain have 
fallen, with the West Texas Mesonet station at Aiken measuring 4.5 
inches of rain within the past 1.5 hours and 3.2 inches within the 
past hour. Additional rainfall amounts up to 3 inches are possible 
as storms continue to move through the warned area. Flash flooding 
is ongoing or expected to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar.

IMPACT...Flash flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other poor
         drainage and low-lying areas.

Some locations that will experience flash flooding include...
  Plainview, Lockney, Claytonville, Aiken and South Plains.

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 3453 10167 3453 10147 3442 10147 3442 10129
      3431 10129 3410 10129 3410 10156 3410 10167

FLASH FLOOD...RADAR INDICATED

$$

DWK

101 
WGUS74 KLUB 160419
FFSLUB

Flash Flood Statement
National Weather Service Lubbock TX
1119 PM CDT Thu Jul 15 2021

TXC045-153-189-437-160430-
/O.CON.KLUB.FF.W.0016.000000T0000Z-210716T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Briscoe TX-Floyd TX-Hale TX-Swisher TX-
1119 PM CDT Thu Jul 15 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT THIS 
EVENING FOR NORTHWESTERN FLOYD, NORTHEASTERN HALE, SOUTHWESTERN 
BRISCOE AND SOUTHEASTERN SWISHER COUNTIES...

At 1119 PM CDT, Doppler radar indicated slow-moving thunderstorms 
producing heavy rain between Plainview and South Plains. Up to 5 
inches of rain have fallen. Additional rainfall amounts up to 1 inch 
are possible as storms continue to move through the warned area. 
Flash flooding is ongoing or expected to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar.

IMPACT...Flash flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other poor
         drainage and low-lying areas.

Some locations that will experience flash flooding include...
  Plainview, Lockney, Aiken, Claytonville and South Plains.

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 3442 10167 3442 10129 3410 10129 3410 10156
      3410 10167

FLASH FLOOD...RADAR INDICATED

$$

DWK

430 
WGUS54 KLUB 160420
FFWLUB
TXC045-153-189-437-160515-
/O.EXT.KLUB.FF.W.0016.000000T0000Z-210716T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lubbock TX
1120 PM CDT Thu Jul 15 2021

The National Weather Service in Lubbock has extended the

* Flash Flood Warning for...
  Northwestern Floyd County in northwestern Texas...
  Northeastern Hale County in northwestern Texas...
  Southwestern Briscoe County in the panhandle of Texas...
  Southeastern Swisher County in the panhandle of Texas...

* Until 1215 AM CDT.

* At 1120 PM CDT, Doppler radar indicated slow-moving thunderstorms 
  producing heavy rain between Plainview and South Plains. Up to 5 
  inches of rain have fallen. Additional rainfall amounts up to 1 
  inch are possible as storms continue to move through the warned 
  area. Flash flooding is ongoing or expected to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar and automated rain gauges.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Plainview, Lockney, Aiken, Claytonville and South Plains.

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 3442 10167 3442 10129 3410 10129 3410 10156
      3410 10167

FLASH FLOOD...RADAR INDICATED

$$

DWK

135 
WGUS74 KLUB 160506
FFSLUB

Flash Flood Statement
National Weather Service Lubbock TX
1206 AM CDT Fri Jul 16 2021

TXC045-153-189-437-160516-
/O.EXP.KLUB.FF.W.0016.000000T0000Z-210716T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Briscoe TX-Floyd TX-Hale TX-Swisher TX-
1206 AM CDT Fri Jul 16 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 1215 AM CDT EARLY THIS MORNING 
FOR NORTHWESTERN FLOYD, NORTHEASTERN HALE, SOUTHWESTERN BRISCOE AND 
SOUTHEASTERN SWISHER COUNTIES...

The heavy rain has ended. Please continue to heed remaining road 
closures.

LAT...LON 3442 10167 3442 10129 3410 10129 3410 10156
      3410 10167

$$

GKendrick

The office that day

Everything else NWS Lubbock, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 15, 7:19 PM CDT	Flash Flood Warning	LUB	Briscoe, Hall, Motley	116 min
Jul 15, 7:52 PM CDT	Areal Flood Advisory	LUB	Briscoe, Swisher	2 hr
Jul 15, 7:52 PM CDT	Severe Thunderstorm Warning	LUB	Briscoe	53 min
Jul 15, 7:54 PM CDT	Special Weather Statement	LUB	Lamb	21 min
Jul 15, 8:00 PM CDT	Areal Flood Advisory	LUB	Hockley, Terry	2 hr
Jul 15, 8:05 PM CDT	Special Weather Statement	LUB	Terry	25 min
Jul 15, 8:10 PM CDT	Severe Thunderstorm Warning	LUB	Briscoe, Swisher	65 min
Jul 15, 8:26 PM CDT	Severe Thunderstorm Warning	LUB	Crosby, Garza, Lubbock, Lynn	45 min
Jul 15, 8:33 PM CDT	Areal Flood Advisory	LUB	Briscoe, Floyd, Hale, Swisher	64 min
Jul 15, 8:51 PM CDT	Severe Thunderstorm Warning	LUB	Briscoe, Floyd, Hale	54 min
Jul 15, 9:31 PM CDT	Areal Flood Advisory	LUB	Castro, Hale, Lamb, Swisher	119 min
Jul 15, 9:52 PM CDT	Special Weather Statement	LUB	Floyd, Hale, Swisher	23 min
Jul 15, 9:55 PM CDT	Flash Flood Warning	LUB	Floyd, Hale	2 hr
Jul 15, 10:15 PM CDT	Severe Thunderstorm Warning	LUB	Floyd, Hale, Motley	60 min
Jul 15, 10:20 PM CDT	Special Weather Statement	LUB	Floyd	25 min
Jul 15, 10:36 PM CDT	Areal Flood Advisory	LUB	Floyd	2 hr
Jul 15, 10:57 PM CDT	Special Weather Statement	LUB	Lubbock	33 min
Jul 15, 10:57 PM CDT	Severe Thunderstorm Warning	LUB	Briscoe, Floyd, Hall, Motley	33 min
Jul 15, 11:54 PM CDT	Areal Flood Advisory	LUB	Childress, Hall	88 min
Jul 16, 12:03 AM CDT	Special Weather Statement	LUB	Lubbock	27 min
Jul 16, 12:21 AM CDT	Areal Flood Advisory	LUB	Lubbock	3 hr
Jul 16, 12:30 AM CDT	Special Weather Statement	LUB	Lubbock	30 min
Jul 16, 1:38 AM CDT	Special Weather Statement	LUB	Lubbock	37 min
Jul 16, 2:11 AM CDT	Special Weather Statement	LUB	Lubbock	34 min

Nearby

Flash Flood Warnings in Texas, 2021 Every 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.