Alert archive / New Mexico / Flash Flood Warnings in 2021

Flash Flood Warning 65, NWS Midland/Odessa, TX

August 21, 2021Eddy County, New Mexico

NWS Midland/Odessa, TX issued this flash flood warning at Aug 21, 2021, 5:32 PM MDT for Eddy County, New Mexico. 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
Aug 21, 2021, 5:32 PM MDT (23:32 UTC)
Expired
Aug 21, 2021, 7:49 PM MDT
In force
2 hr
Issued by
NWS Midland/Odessa, TX
Area
Storm-based polygon
Flood severity
None

County Eddy County, NM

The radar

The Holloman AFB radar (KHDX), 191 km from the middle of the area, began a volume at 23:33 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, 11.5 hours before the alert went out and 198 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 2021-08-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 200 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 2021-08-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 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
200 J/kg
Mixed-layer CIN
-198 J/kg
Mixed-layer LCL
1271 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
100 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

881 
WGUS54 KMAF 212332
FFWMAF
NMC015-220245-
/O.NEW.KMAF.FF.W.0065.210821T2332Z-210822T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Midland/Odessa TX
532 PM MDT Sat Aug 21 2021

The National Weather Service in Midland/Odessa has issued a

* Flash Flood Warning for...
  Central Eddy County in southeastern New Mexico...

* Until 845 PM MDT.

* At 532 PM MDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Up to 1.5 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...
  Carlsbad, Carlsbad North, Avalon, Otis, Living Desert State Park, 
  Lake Avalon and Cavern City Air Terminal.

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 10435 3255 10405 3233 10403 3230 10430

FLASH FLOOD...RADAR INDICATED

$$

David Hennig
2 follow-up statements
680 
WGUS74 KMAF 212353
FFSMAF

Flash Flood Statement
National Weather Service Midland/Odessa TX
553 PM MDT Sat Aug 21 2021

NMC015-220245-
/O.CON.KMAF.FF.W.0065.000000T0000Z-210822T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Eddy NM-
553 PM MDT Sat Aug 21 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM MDT THIS 
EVENING FOR CENTRAL EDDY COUNTY...

At 553 PM MDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Between 1 and 2 inches of rain have 
fallen. Additional rainfall amounts up to 1 inch 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...
  Carlsbad, Carlsbad North, Avalon, Otis, Living Desert State Park, 
  Lake Avalon and Cavern City Air Terminal.

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 10435 3255 10405 3233 10403 3230 10430

FLASH FLOOD...RADAR INDICATED

$$

David Hennig
316 
WGUS74 KMAF 220149
FFSMAF

Flash Flood Statement
National Weather Service Midland/Odessa TX
749 PM MDT Sat Aug 21 2021

NMC015-220159-
/O.CAN.KMAF.FF.W.0065.000000T0000Z-210822T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Eddy NM-
749 PM MDT Sat Aug 21 2021

...FLASH FLOOD WARNING IS CANCELLED FOR CENTRAL EDDY COUNTY...

The heavy rain has ended. Flooding is no longer expected to pose a 
threat. Please continue to heed any remaining road closures.

LAT...LON 3253 10435 3255 10405 3233 10403 3230 10430

$$

David Hennig

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 21, 1:21 PM MDTAreal Flood AdvisoryMAFLea114 min
Aug 21, 1:26 PM MDTSpecial Weather StatementMAFLea49 min
Aug 21, 2:54 PM MDTAreal Flood AdvisoryMAFLea3 hr
Aug 21, 3:38 PM MDTSpecial Weather StatementMAFLea52 min
Aug 21, 4:07 PM MDTSevere Thunderstorm WarningMAFLea53 min
Aug 21, 4:09 PM MDTFlash Flood WarningMAFLea3 hr
Aug 21, 5:17 PM MDTAreal Flood AdvisoryMAFEddy3 hr
Aug 21, 5:37 PM MDTSpecial Weather StatementMAFEddy23 min
Aug 21, 5:47 PM MDTAreal Flood AdvisoryMAFLea3 hr

Nearby

Flash Flood Warnings in New Mexico, 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.