Alert archive / Texas / Flash Flood Warnings in 2021

Flash Flood Warning 17, NWS Lubbock, TX

July 15, 2021Floyd County, Hale County, Texas

NWS Lubbock, TX issued this flash flood warning at Jul 15, 2021, 9:55 PM CDT for Floyd County, Hale County, Texas. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 15, 2021, 9:55 PM CDT (02:55 UTC)
Expired
Jul 16, 2021, 12:00 AM CDT
In force
2 hr
Issued by
NWS Lubbock, TX
Area
Storm-based polygon
Flood severity
None

Counties Floyd County, TX, Hale County, TX

The radar

The Lubbock radar (KLBB), 44 km from the middle of the area, began a volume at 02:59 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 nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 2.9 hours before the alert went out and 136 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.

125 
WGUS54 KLUB 160255
FFWLUB
TXC153-189-160500-
/O.NEW.KLUB.FF.W.0017.210716T0255Z-210716T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

The National Weather Service in Lubbock has issued a

* Flash Flood Warning for...
  Southwestern Floyd County in northwestern Texas...
  Southeastern Hale County in northwestern Texas...

* Until midnight CDT.

* At 955 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain between Hale Center and Floydada. Up to 2.5 inches of 
  rain have fallen. Additional rainfall amounts up to 3 inches are 
  possible as additional thunderstorms 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...
  mainly rural areas of Southwestern Floyd and Southeastern Hale 
  Counties

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 3411 10167 3411 10132 3392 10140 3387 10167
      3392 10175 3402 10167

FLASH FLOOD...RADAR INDICATED

$$

DWK
2 follow-up statements
902 
WGUS74 KLUB 160357
FFSLUB

Flash Flood Statement
National Weather Service Lubbock TX
1057 PM CDT Thu Jul 15 2021

TXC153-189-160500-
/O.CON.KLUB.FF.W.0017.000000T0000Z-210716T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Floyd TX-Hale TX-
1057 PM CDT Thu Jul 15 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT TONIGHT 
FOR SOUTHWESTERN FLOYD AND SOUTHEASTERN HALE COUNTIES...

At 1057 PM CDT, Doppler radar indicated thunderstorms producing 
heavy rain between Hale Center and Floydada. Up to 3 inches of rain 
have fallen. Additional rainfall amounts up to one half inch are 
possible as moderate rain moves 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...
  mainly rural areas of Southwestern Floyd and Southeastern Hale 
  Counties

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 3411 10167 3411 10132 3392 10140 3392 10175
      3402 10167

FLASH FLOOD...RADAR INDICATED

$$

DWK
561 
WGUS74 KLUB 160456
FFSLUB

Flash Flood Statement
National Weather Service Lubbock TX
1156 PM CDT Thu Jul 15 2021

TXC153-189-160506-
/O.EXP.KLUB.FF.W.0017.000000T0000Z-210716T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Floyd TX-Hale TX-
1156 PM CDT Thu Jul 15 2021

...FLASH FLOOD WARNING WILL EXPIRE AT MIDNIGHT CDT TONIGHT FOR 
SOUTHWESTERN FLOYD AND SOUTHEASTERN HALE COUNTIES...

The heavy rain has ended, however light rain will continue and may 
lead to additional minor flooding. Please continue to heed remaining 
road closures.

LAT...LON 3411 10167 3411 10132 3392 10140 3392 10175
      3402 10167

$$

DWK

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 15, 7:19 PM CDTFlash Flood WarningLUBBriscoe, Hall, Motley116 min
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, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.