Alert archive / Texas / Flash Flood Warnings in 2021

Flash Flood Warning 15, NWS Lubbock, TX

July 15, 2021Briscoe County, Hall County, Motley County, Texas

NWS Lubbock, TX issued this flash flood warning at Jul 15, 2021, 7:19 PM CDT for Briscoe County, Hall County, Motley County, Texas. It was in force for 116 min. 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, 7:19 PM CDT (00:19 UTC)
Expired
Jul 15, 2021, 9:15 PM CDT
In force
116 min
Issued by
NWS Lubbock, TX
Area
Storm-based polygon
Flood severity
None

Counties Briscoe County, TX, Hall County, TX, Motley County, TX

The radar

The Lubbock radar (KLBB), 107 km from the middle of the area, began a volume at 00:19 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
Jul 15, 7:24 PM CDTFLASH FLOOD3 W Quitaque, TXWATER FLOWING RAPIDLY OVER HIGHWAY 3 MILES WEST OF QUITAQUE.

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, 0.3 hours before the alert went out and 115 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, Amarillo Airport, TX at 00:00Z on 2021-07-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 128 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, Amarillo Airport, TX at 00:00Z on 2021-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 square meters per square second.1939Sfc1 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
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.

342 
WGUS54 KLUB 160019
FFWLUB
TXC045-191-345-160215-
/O.NEW.KLUB.FF.W.0015.210716T0019Z-210716T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

The National Weather Service in Lubbock has issued a

* Flash Flood Warning for...
  Northwestern Motley County in northwestern Texas...
  Southeastern Briscoe County in the panhandle of Texas...
  Southwestern Hall County in the panhandle of Texas...

* Until 915 PM CDT.

* At 719 PM CDT, Emergency management reported flooding of US-86 
  three miles west of Quitaque. This storm is nearly stationary over 
  the town of Quitaque. Up to 2.5 inches of rain have fallen. 
  Additional rainfall amounts up to 2 inches are possible in the 
  warned area. Flash flooding is already occurring.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Emergency management reported.

  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...
  Turkey, Caprock Canyon State Park, Quitaque and Valley Schools.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3441 10119 3446 10117 3446 10105 3443 10088
      3439 10079 3435 10079 3431 10085 3428 10094
      3428 10104 3431 10104 3431 10110 3431 10111
      3435 10117

FLASH FLOOD...OBSERVED

$$

DWK
2 follow-up statements
898 
WGUS74 KLUB 160120
FFSLUB

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

TXC045-191-345-160215-
/O.CON.KLUB.FF.W.0015.000000T0000Z-210716T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Briscoe TX-Hall TX-Motley TX-
820 PM CDT Thu Jul 15 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 PM CDT THIS 
EVENING FOR NORTHWESTERN MOTLEY, SOUTHEASTERN BRISCOE AND 
SOUTHWESTERN HALL COUNTIES...

At 820 PM CDT, Emergency management reported flooding of US-86 three 
miles west of Quitaque. Up to 3 inches of rain have fallen. Flash 
flooding is already occurring.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Emergency management reported.

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...
  Turkey, Caprock Canyon State Park, Quitaque and Valley Schools.

Additional thunderstorms producing heavy rain are located near 
Silverton and are moving slowly eastward. Heavy rain may move into 
the warned area within the next hour leading to additional flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3441 10119 3446 10117 3446 10105 3443 10088
      3439 10079 3435 10079 3431 10085 3428 10094
      3428 10104 3431 10104 3431 10110 3431 10111
      3435 10117

FLASH FLOOD...OBSERVED

$$

DWK
383 
WGUS74 KLUB 160219
FFSLUB

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

TXC045-191-345-160229-
/O.EXP.KLUB.FF.W.0015.000000T0000Z-210716T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Briscoe TX-Hall TX-Motley TX-
919 PM CDT Thu Jul 15 2021

...FLASH FLOOD WARNING HAS EXPIRED FOR NORTHWESTERN MOTLEY, 
SOUTHEASTERN BRISCOE AND SOUTHWESTERN HALL COUNTIES...

The heavy rain has ended, however additional thunderstorms may move 
into the area from the west later this evening, possibly resulting 
in additional flooding. Please continue to heed remaining road 
closures.

LAT...LON 3441 10119 3446 10117 3446 10105 3443 10088
      3439 10079 3435 10079 3431 10085 3428 10094
      3428 10104 3431 10104 3431 10110 3431 10111
      3435 10117

$$

DWK

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 15, 7:52 PM CDTAreal Flood AdvisoryLUBBriscoe, Swisher2 hr
Jul 15, 7:52 PM CDTSevere Thunderstorm WarningLUBBriscoe53 min
Jul 15, 7:54 PM CDTSpecial Weather StatementLUBLamb21 min
Jul 15, 8:00 PM CDTAreal Flood AdvisoryLUBHockley, Terry2 hr
Jul 15, 8:05 PM CDTSpecial Weather StatementLUBTerry25 min
Jul 15, 8:10 PM CDTSevere Thunderstorm WarningLUBBriscoe, Swisher65 min
Jul 15, 8:26 PM CDTSevere Thunderstorm WarningLUBCrosby, Garza, Lubbock, Lynn45 min
Jul 15, 8:33 PM CDTAreal Flood AdvisoryLUBBriscoe, Floyd, Hale, Swisher64 min
Jul 15, 8:51 PM CDTSevere Thunderstorm WarningLUBBriscoe, Floyd, Hale54 min
Jul 15, 9:31 PM CDTAreal Flood AdvisoryLUBCastro, Hale, Lamb, Swisher119 min
Jul 15, 9:37 PM CDTFlash Flood WarningLUBBriscoe, Floyd, Hale, Swisher3 hr
Jul 15, 9:52 PM CDTSpecial Weather StatementLUBFloyd, Hale, Swisher23 min
Jul 15, 9:55 PM CDTFlash Flood WarningLUBFloyd, Hale2 hr
Jul 15, 10:15 PM CDTSevere Thunderstorm WarningLUBFloyd, Hale, Motley60 min
Jul 15, 10:20 PM CDTSpecial Weather StatementLUBFloyd25 min
Jul 15, 10:36 PM CDTAreal Flood AdvisoryLUBFloyd2 hr
Jul 15, 10:57 PM CDTSpecial Weather StatementLUBLubbock33 min
Jul 15, 10:57 PM CDTSevere Thunderstorm WarningLUBBriscoe, Floyd, Hall, Motley33 min
Jul 15, 11:54 PM CDTAreal Flood AdvisoryLUBChildress, Hall88 min
Jul 16, 12:03 AM CDTSpecial Weather StatementLUBLubbock27 min
Jul 16, 12:21 AM CDTAreal Flood AdvisoryLUBLubbock3 hr
Jul 16, 12:30 AM CDTSpecial Weather StatementLUBLubbock30 min
Jul 16, 1:38 AM CDTSpecial Weather StatementLUBLubbock37 min
Jul 16, 2:11 AM CDTSpecial Weather StatementLUBLubbock34 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.