Alert archive / Texas / Flash Flood Watches in 2021

Flash Flood Watch 7, NWS Midland/Odessa, TX

September 1, 20216 counties in Texas; Eddy County, Lea County, New Mexico

NWS Midland/Odessa, TX issued this flash flood watch at Sep 1, 2021, 2:08 PM CDT for 6 counties in Texas; Eddy County, Lea County, New Mexico. It was in force for 35 hr.

The area

The counties it named.

The facts

Issued
Sep 1, 2021, 2:08 PM CDT (19:08 UTC)
Expired
Sep 3, 2021, 1:00 AM CDT
In force
35 hr
Issued by
NWS Midland/Odessa, TX
Flood severity
None

Counties Eddy County, NM, Lea County, NM, Brewster County, TX, Culberson County, TX, Jeff Davis County, TX, Loving County, TX, Presidio County, TX, Reeves County, TX

The radar

The Midland/Odessa radar (KMAF), 176 km from the middle of the area, began a volume at 19:11 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, 7.1 hours before the alert went out and 176 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 12:00Z on 2021-09-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 182 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 12:00Z on 2021-09-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 square meters per square second.193958Sfc1 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
182 J/kg
Mixed-layer CIN
-164 J/kg
Mixed-layer LCL
1784 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
53 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

152 
WGUS64 KMAF 011908
FFAMAF

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Midland/Odessa TX
108 PM MDT Wed Sep 1 2021

NMZ027>029-033-034-TXZ059-270>279-281-021200-
/O.NEW.KMAF.FF.A.0007.210901T1908Z-210902T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Guadalupe Mountains of Eddy County-Eddy County Plains-Northern Lea
County-Central Lea County-Southern Lea County-Loving-Guadalupe
Mountains Above 7000 Feet-Guadalupe and Delaware Mountains-Van Horn
and Highway 54 Corridor-Eastern Culberson County-Reeves County
Plains-Chinati Mountains-Marfa Plateau-Davis Mountains-Davis
Mountains Foothills-Central Brewster County-Presidio Valley-
Including the cities of Van Horn, Eunice, Artesia, Pecos, Pine 
Springs, Guadalupe Mountains NP, Queen, Fort Davis, Carlsbad Caverns 
NP, Panther Junction, Mentone, Big Bend NP, Lovington, Jal, Hobbs, 
Marathon, Marfa, Presidio, Tatum, Carlsbad, and Alpine
108 PM MDT Wed Sep 1 2021 /208 PM CDT Wed Sep 1 2021/

...FLASH FLOOD WATCH IN EFFECT FOR SOUTHEAST NEW MEXICO AND THE 
HIGHER TERRAIN OF WEST TEXAS THROUGH TONIGHT...

The National Weather Service in Midland/Odessa has issued a

* Flash Flood Watch for portions of southeast New Mexico and Texas, 
  including the following areas, in southeast New Mexico, Central 
  Lea County, Eddy County Plains, Guadalupe Mountains of Eddy 
  County, Northern Lea County and Southern Lea County. In Texas, 
  Central Brewster County, Chinati Mountains, Davis Mountains, Davis 
  Mountains Foothills, Eastern Culberson County, Guadalupe Mountains 
  Above 7000 Feet, Guadalupe and Delaware Mountains, Loving, Marfa 
  Plateau, Presidio Valley, Reeves County Plains and Van Horn and 
  Highway 54 Corridor.

* Through late tonight.

* Deep moisture has arrived from the remnants of Tropical Cyclone 
  Nora. This combined with orographic lift will lead to scattered to 
  numerous showers and thunderstorms this afternoon through tonight. 
  These storms are likely to produce locally heavy rainfall with the 
  potential for storms to train repeatedly over some locations.

* The potential exists for flash flooding to develop, especially in 
  rough terrain and urban areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

Rick Hluchan
2 follow-up statements
706 
WGUS64 KMAF 020828
FFAMAF

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Midland/Odessa TX
228 AM MDT Thu Sep 2 2021

NMZ027>029-033-034-TXZ059-270>279-281-030000-
/O.EXT.KMAF.FF.A.0007.000000T0000Z-210903T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Guadalupe Mountains of Eddy County-Eddy County Plains-Northern Lea
County-Central Lea County-Southern Lea County-Loving-Guadalupe
Mountains Above 7000 Feet-Guadalupe and Delaware Mountains-Van Horn
and Highway 54 Corridor-Eastern Culberson County-Reeves County
Plains-Chinati Mountains-Marfa Plateau-Davis Mountains-Davis
Mountains Foothills-Central Brewster County-Presidio Valley-
Including the cities of Van Horn, Eunice, Artesia, Pecos, Pine 
Springs, Guadalupe Mountains NP, Queen, Fort Davis, Carlsbad Caverns 
NP, Panther Junction, Mentone, Big Bend NP, Lovington, Jal, Hobbs, 
Marathon, Marfa, Presidio, Tatum, Carlsbad, and Alpine
228 AM MDT Thu Sep 2 2021 /328 AM CDT Thu Sep 2 2021/

...FLASH FLOOD WATCH NOW IN EFFECT THROUGH THIS AFTERNOON...

The Flash Flood Watch is now in effect for

* Portions of southeast New Mexico and Texas, including the 
  following areas, in southeast New Mexico, Central Lea County, Eddy 
  County Plains, Guadalupe Mountains of Eddy County, Northern Lea 
  County and Southern Lea County. In Texas, Central Brewster County, 
  Chinati Mountains, Davis Mountains, Davis Mountains Foothills, 
  Eastern Culberson County, Guadalupe Mountains Above 7000 Feet, 
  Guadalupe and Delaware Mountains, Loving, Marfa Plateau, Presidio 
  Valley, Reeves County Plains and Van Horn and Highway 54 Corridor.

* Through this afternoon.

* Deep moisture has arrived from the remnants of Tropical Cyclone 
  Nora.  This, combined with daytime heating and orographic lift, 
  resulted in scattered to numerous showers and thunderstorms 
  Wednesday afternoon and night, some of which are ongoing.  These 
  storms produced locally heavy rainfall leading to saturated soils 
  over much of the watch area.  Additional development is expected 
  today, especially this afternoon.

* Flash flooding is possible today, especially over the higher 
  terrain and in urban areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay tuned to the latest forecasts and be prepared to take action if 
Flash Flood Warnings are issued in your area.

&&

$$

James DeBerry
155 
WGUS64 KMAF 021903
FFAMAF

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Midland/Odessa TX
103 PM MDT Thu Sep 2 2021

NMZ027>029-033-034-TXZ059-270>279-281-030600-
/O.EXT.KMAF.FF.A.0007.000000T0000Z-210903T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Guadalupe Mountains of Eddy County-Eddy County Plains-Northern Lea
County-Central Lea County-Southern Lea County-Loving-Guadalupe
Mountains Above 7000 Feet-Guadalupe and Delaware Mountains-Van Horn
and Highway 54 Corridor-Eastern Culberson County-Reeves County
Plains-Chinati Mountains-Marfa Plateau-Davis Mountains-Davis
Mountains Foothills-Central Brewster County-Presidio Valley-
Including the cities of Van Horn, Eunice, Artesia, Pecos, Pine 
Springs, Guadalupe Mountains NP, Queen, Fort Davis, Carlsbad Caverns 
NP, Panther Junction, Mentone, Big Bend NP, Lovington, Jal, Hobbs, 
Marathon, Marfa, Presidio, Tatum, Carlsbad, and Alpine
103 PM MDT Thu Sep 2 2021 /203 PM CDT Thu Sep 2 2021/

...FLASH FLOOD WATCH NOW IN EFFECT UNTIL MIDNIGHT MDT/1 AM CDT/ 
TONIGHT...

The Flash Flood Watch is now in effect for

* Portions of southeast New Mexico and Texas, including the 
  following areas, in southeast New Mexico, Central Lea County, Eddy 
  County Plains, Guadalupe Mountains of Eddy County, Northern Lea 
  County and Southern Lea County. In Texas, Central Brewster County, 
  Chinati Mountains, Davis Mountains, Davis Mountains Foothills, 
  Eastern Culberson County, Guadalupe Mountains Above 7000 Feet, 
  Guadalupe and Delaware Mountains, Loving, Marfa Plateau, Presidio 
  Valley, Reeves County Plains and Van Horn and Highway 54 Corridor.

* Until Midnight MDT/1 AM CDT/ tonight.

* Deep moisture associated with the remnants of Tropical Cyclone 
  Nora combined with daytime heating and orographic lift will result 
  in another round of showers and thunderstorms this afternoon and 
  evening, especially across the higher terrain and adjacent plains. 
  Some of these locations have already received locally heavy 
  rainfall leading to saturated soils over much of the watch area. 
  Flash flooding will remain possible through this evening.

* Flash flooding is possible through this evening, especially over 
  the higher terrain and in urban areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay tuned to the latest forecasts and be prepared to take action if 
Flash Flood Warnings are issued in your area.

&&

$$

JP

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 1, 4:30 PM CDTAreal Flood AdvisoryMAFEddy3 hr
Sep 1, 5:15 PM CDTSpecial Weather StatementMAFEddy30 min
Sep 1, 6:17 PM CDTAreal Flood AdvisoryMAFLea3 hr

Nearby

Flash Flood Watches in Texas, 2021Flash Flood Watches in New Mexico, 2021Every flash flood watch 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.