Alert archive / Texas / Flash Flood Warnings in 2021

Flash Flood Warning 4, NWS Lubbock, TX

May 30, 20216 counties in Texas

NWS Lubbock, TX issued this flash flood warning at May 30, 2021, 9:40 PM CDT for 6 counties in Texas. It was in force for 2 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
May 30, 2021, 9:40 PM CDT (02:40 UTC)
Expired
May 30, 2021, 11:45 PM CDT
In force
2 hr
Issued by
NWS Lubbock, TX
Area
Storm-based polygon
Flood severity
None

Counties Bailey County, TX, Cochran County, TX, Hockley County, TX, Lamb County, TX, Terry County, TX, Yoakum County, TX

The radar

The Lubbock radar (KLBB), 93 km from the middle of the area, began a volume at 02:44 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
May 30, 9:50 PM CDTFLOODSundown, TXEIGHT INCHES OF RUNNING WATER ACROSS HIGHWAY 301

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

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 2.7 hours before the alert went out and 199 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, Midland Regional, TX at 00:00Z on 2021-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 43 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, Midland Regional, TX at 00:00Z on 2021-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -20 square meters per square second.19395878Sfc1 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
43 J/kg
Mixed-layer CIN
-343 J/kg
Mixed-layer LCL
1626 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
-20 m²/s²
0-3 km storm-relative helicity
35 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

912 
WGUS54 KLUB 310240
FFWLUB
TXC017-079-219-279-445-501-310445-
/O.NEW.KLUB.FF.W.0004.210531T0240Z-210531T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lubbock TX
940 PM CDT Sun May 30 2021

The National Weather Service in Lubbock has issued a

* Flash Flood Warning for...
  Southern Bailey County in northwestern Texas...
  Cochran County in northwestern Texas...
  Western Hockley County in northwestern Texas...
  Southwestern Lamb County in northwestern Texas...
  Northwestern Terry County in northwestern Texas...
  Northern Yoakum County in northwestern Texas...

* Until 1145 PM CDT.

* At 940 PM CDT, Doppler radar and automated rain gauges indicated 
  thunderstorms producing very heavy rain across the warned area. 
  Between 1 and 3 inches of rain have fallen. Additional rainfall 
  amounts of 1 to 2 inches are possible in the warned area. Flash 
  flooding is ongoing or expected to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar and automated gauges.

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

* Some locations that will experience flash flooding include...
  Morton, Sundown, Lehman, Enochs, Bledsoe, Maple, Pep, Bula and 
  Whiteface.

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.

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 3383 10305 3403 10252 3335 10242 3326 10306

FLASH FLOOD...RADAR AND GAUGE INDICATED

$$

Lipe
2 follow-up statements
656 
WGUS74 KLUB 310318
FFSLUB

Flash Flood Statement
National Weather Service Lubbock TX
1018 PM CDT Sun May 30 2021

TXC017-079-219-279-445-501-310445-
/O.CON.KLUB.FF.W.0004.000000T0000Z-210531T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bailey TX-Cochran TX-Hockley TX-Lamb TX-Terry TX-Yoakum TX-
1018 PM CDT Sun May 30 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 PM CDT THIS 
EVENING FOR SOUTHERN BAILEY, COCHRAN, WESTERN HOCKLEY, SOUTHWESTERN 
LAMB, NORTHWESTERN TERRY AND NORTHERN YOAKUM COUNTIES...

At 1018 PM CDT, Doppler radar and automated rain gauges indicated 
thunderstorms producing very heavy rain across the warned area. 
Between 1 and 4 inches of rain have fallen, especially in Cochran 
County to the west of Morton and Lehman and near Maple in southern 
Bailey County. Additional rainfall amounts of 1 to 2 inches are 
possible in the warned area. Flash flooding is ongoing or expected 
to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar and automated 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...
  Morton, Sundown, Lehman, Enochs, Bledsoe, Maple, Pep, Bula and 
  Whiteface.

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.

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 3383 10305 3403 10252 3335 10242 3326 10306

FLASH FLOOD...RADAR AND GAUGE INDICATED

$$

Lipe
231 
WGUS74 KLUB 310444
FFSLUB

Flash Flood Statement
National Weather Service Lubbock TX
1144 PM CDT Sun May 30 2021

TXC017-079-219-279-445-501-310454-
/O.EXP.KLUB.FF.W.0004.000000T0000Z-210531T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bailey TX-Cochran TX-Hockley TX-Lamb TX-Terry TX-Yoakum TX-
1144 PM CDT Sun May 30 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 1145 PM CDT THIS EVENING FOR 
SOUTHERN BAILEY, COCHRAN, WESTERN HOCKLEY, SOUTHWESTERN LAMB, 
NORTHWESTERN TERRY AND NORTHERN YOAKUM COUNTIES...

The heavy rain has ended. Flooding should continue to diminish 
overnight. Please continue to heed remaining road closures.

A Flood Watch remains in effect until 700 AM CDT Monday for Portions 
of northwest and the Panhandle of Texas.

LAT...LON 3383 10305 3403 10252 3335 10242 3326 10306

$$

Lipe

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 7:54 PM CDTAreal Flood AdvisoryLUBBailey, Cochran2 hr
May 30, 8:30 PM CDTSevere Thunderstorm WarningLUBBailey, Cochran60 min
May 30, 8:40 PM CDTAreal Flood AdvisoryLUBBailey, Cochran, Lamb80 min
May 30, 9:00 PM CDTAreal Flood AdvisoryLUBCochran, Hockley, Lamb60 min
May 30, 9:20 PM CDTSevere Thunderstorm WarningLUBCochran25 min
May 30, 9:35 PM CDTSevere Thunderstorm WarningLUBHale, Lamb55 min
May 30, 9:53 PM CDTAreal Flood AdvisoryLUBCastro, Hale, Hockley, Lamb, Lubbock, Lynn and 2 more2 hr
May 30, 10:06 PM CDTSevere Thunderstorm WarningLUBGarza, Lynn24 min
May 30, 10:23 PM CDTSevere Thunderstorm WarningLUBHale, Lamb22 min
May 30, 10:29 PM CDTSevere Thunderstorm WarningLUBGarza, Lynn61 min
May 30, 11:06 PM CDTSevere Thunderstorm WarningLUBCrosby, Lubbock, Lynn25 min
May 30, 11:11 PM CDTSevere Thunderstorm WarningLUBHale, Hockley, Lamb, Lubbock49 min
May 30, 11:17 PM CDTAreal Flood AdvisoryLUBGarza, Kent, Lynn2 hr
May 30, 11:24 PM CDTSevere Thunderstorm WarningLUBGarza66 min
May 30, 11:33 PM CDTFlash Flood WarningLUBHale, Hockley, Lamb, Lubbock79 min
May 30, 11:38 PM CDTFlash Flood WarningLUBGarza75 min
May 30, 11:49 PM CDTAreal Flood AdvisoryLUBCochran, Hockley65 min
May 30, 11:58 PM CDTAreal Flood AdvisoryLUBHockley, Lubbock, Lynn, Terry92 min
May 31, 12:06 AM CDTSevere Thunderstorm WarningLUBGarza, Kent54 min
May 31, 12:07 AM CDTAreal Flood AdvisoryLUBCrosby, Dickens, Floyd, Motley104 min
May 31, 12:58 AM CDTSevere Thunderstorm WarningLUBKent62 min
May 31, 1:50 AM CDTAreal Flood AdvisoryLUBCrosby, Dickens, Garza, Kent, King, Stonewall2 hr
May 31, 2:07 AM CDTSpecial Weather StatementLUBKent23 min
May 31, 2:26 AM CDTSevere Thunderstorm WarningLUBKent, Stonewall64 min
May 31, 2:45 AM CDTSpecial Weather StatementLUBHall30 min
May 31, 2:54 AM CDTAreal Flood AdvisoryLUBChildress, Hall2 hr
May 31, 3:26 AM CDTSevere Thunderstorm WarningLUBStonewall34 min
May 31, 8:27 AM CDTAreal Flood AdvisoryLUBGarza3 hr
May 31, 8:33 AM CDTAreal Flood AdvisoryLUBLubbock, Lynn, Terry117 min
May 31, 8:53 AM CDTAreal Flood AdvisoryLUBYoakum67 min
May 31, 12:54 PM CDTAreal Flood AdvisoryLUBHockley2 hr

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.