Alert archive / Texas / Flash Flood Warnings in 2021

Flash Flood Warning 51, NWS Midland/Odessa, TX

July 5, 2021Scurry County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at Jul 5, 2021, 7:57 AM CDT for Scurry County, Texas. It was in force for 4 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 5, 2021, 7:57 AM CDT (12:57 UTC)
Expired: Jul 5, 2021, 12:00 PM CDT
In force: 4 hr
Issued by: NWS Midland/Odessa, TX
Area: Storm-based polygon
Flood severity: None

County Scurry County, TX

The radar

The Lubbock radar (KLBB), 140 km from the middle of the area, began a volume at 13:01 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

Midland Regional, TX (KMAF), launched 12:00Z, 1.0 hours before the alert went out and 147 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: 1324 J/kg
Mixed-layer CIN: -99 J/kg
Mixed-layer LCL: 1097 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 79 m²/s²
0-3 km storm-relative helicity: 134 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.0

Open this sounding in Storm Lab

The text

As transmitted.

629 
WGUS54 KMAF 051257
FFWMAF
TXC415-051700-
/O.NEW.KMAF.FF.W.0051.210705T1257Z-210705T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Midland/Odessa TX
757 AM CDT Mon Jul 5 2021

The National Weather Service in Midland/Odessa has issued a

* Flash Flood Warning for...
  Scurry County in western Texas...

* Until noon CDT.

* At 757 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 2 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.

  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...
  Snyder, Fluvanna, Inadale, Winston Field, Randalls Corner, 
  Hermleigh, Dunn and Ira.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Keep children away from storm drains, culverts, creeks and streams. 
Water levels can rise rapidly and sweep children away.

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

&&

LAT...LON 3253 10102 3276 10117 3296 10117 3296 10071
      3296 10066 3263 10066 3253 10066 3253 10076
      3253 10084 3253 10090 3253 10100

FLASH FLOOD...RADAR INDICATED

$$

David Hennig

1 follow-up statement

532 
WGUS74 KMAF 051520
FFSMAF

Flash Flood Statement
National Weather Service Midland/Odessa TX
1020 AM CDT Mon Jul 5 2021

TXC415-051700-
/O.CON.KMAF.FF.W.0051.000000T0000Z-210705T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Scurry TX-
1020 AM CDT Mon Jul 5 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL NOON CDT TODAY FOR 
SCURRY COUNTY...

At 1020 AM CDT, Doppler radar indicated thunderstorms producing 
heavy rain across the warned area. Between 2 and 4 inches of rain 
have fallen. Additional rainfall amounts up to 1 inch are possible 
in the warned area.

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...
  Snyder, Fluvanna, Inadale, Winston Field, Randalls Corner, 
  Hermleigh, Dunn and Ira.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Keep children away from storm drains, culverts, creeks and streams. 
Water levels can rise rapidly and sweep children away.

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

&&

LAT...LON 3253 10102 3276 10117 3296 10117 3296 10071
      3296 10066 3263 10066 3253 10066 3253 10076
      3253 10084 3253 10090 3253 10100

FLASH FLOOD...RADAR INDICATED

$$

David Hennig

The office that day

Everything else NWS Midland/Odessa, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 5, 4:43 AM CDT	Special Weather Statement	MAF	Andrews, Gaines	47 min
Jul 5, 7:22 AM CDT	Areal Flood Advisory	MAF	Midland	3 hr
Jul 5, 8:48 AM CDT	Flash Flood Warning	MAF	Mitchell	4 hr
Jul 5, 1:31 PM CDT	Areal Flood Advisory	MAF	Reagan	3 hr
Jul 5, 3:24 PM CDT	River Flood Warning	MAF	Scurry	24 hr
Jul 5, 3:24 PM CDT	River Flood Warning	MAF	Mitchell	30 hr
Jul 5, 4:06 PM CDT	Areal Flood Advisory	MAF	Brewster, Pecos, Terrell	3 hr
Jul 5, 4:08 PM CDT	Areal Flood Advisory	MAF	Jeff Davis, Presidio	3 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.