Alert archive / New Mexico / Flood Watches in 2021

Flood Watch 2, NWS El Paso, TX

August 12, 20216 counties in New Mexico; El Paso County, Hudspeth County, Texas

NWS El Paso, TX issued this flood watch at Aug 12, 2021, 11:41 AM MDT for 6 counties in New Mexico; El Paso County, Hudspeth County, Texas. It took effect at Aug 12, 2021, 12:00 PM MDT. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Aug 12, 2021, 11:41 AM MDT (17:41 UTC)
In effect from
Aug 12, 2021, 12:00 PM MDT
Expired
Aug 12, 2021, 3:14 PM MDT
In force
3 hr
Issued by
NWS El Paso, TX
Flood severity
None

Counties Doña Ana County, NM, Grant County, NM, Hidalgo County, NM, Luna County, NM, Otero County, NM, Sierra County, NM, El Paso County, TX, Hudspeth County, TX

The radar

The El Paso radar (KEPZ), 54 km from the middle of the area, began a volume at 17:41 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

Santa Teresa, NM (KEPZ), launched 12:00Z, 5.7 hours before the alert went out and 54 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, Santa Teresa, NM at 12:00Z on 2021-08-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 794 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, Santa Teresa, NM at 12:00Z on 2021-08-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 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
794 J/kg
Mixed-layer CIN
-55 J/kg
Mixed-layer LCL
896 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
122 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

740 
WGUS64 KEPZ 121741
FFAEPZ

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service El Paso Tx/Santa Teresa NM
1141 AM MDT Thu Aug 12 2021

.Abundant moisture will combine with a weak upper level storm system 
to bring develop numerous thunderstorms across the region this 
afternoon through at least Saturday morning. These thunderstorms 
will be very efficient rain producers and they will be slow moving. 
This combination will lead to heavy rain and flash flooding. The 
best chances for heavy will be east of the Rio Grande this afternoon 
and tonight and then for the whole are for Friday into Saturday 
morning.

NMZ401>417-TXZ418>424-130600-
/O.NEW.KEPZ.FA.A.0002.210812T1800Z-210814T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Upper Gila River Valley-Southern Gila Highlands/Black Range-Southern
Gila Foothills/Mimbres Valley-Southwest Desert/Lower Gila River
Valley-Lowlands of the Bootheel-Uplands of the Bootheel-Southwest
Desert/Mimbres Basin-Eastern Black Range Foothills-Sierra County
Lakes-Northern Dona Ana County-Southern Dona Ana County/Mesilla
Valley-Central Tularosa Basin-Southern Tularosa Basin-West Slopes
Sacramento Mountains Below 7500 Feet-Sacramento Mountains Above
7500 Feet-East Slopes Sacramento Mountains Below 7500 Feet-Otero
Mesa-Western El Paso County-Eastern/Central El Paso County-Northern
Hudspeth Highlands/Hueco Mountains-Salt Basin-Southern Hudspeth
Highlands-Rio Grande Valley of Eastern El Paso/Western Hudspeth
Counties-Rio Grande Valley of Eastern Hudspeth County-
Including the cities of Indian Hot Springs, Spaceport, Winston, 
Cornudas, Gila Hot Springs, Derry, Sierra Blanca, Animas, Antelope 
Wells, Vado, Fort Bayard, Alamogordo, Cloudcroft, Mescalero, Hatch, 
Fabens, Tornillo, Hillsboro, Virden, Cloverdale, Columbus, Salt 
Flat, Mayhill, Lake Roberts, Radium Springs, Sacramento, Timberon, 
Sunspot, Truth Or Consequences, West El Paso, Apache Summit, Pinon, 
Mountain Park, Upper Valley, Cliff, Grant County Airport, East and 
Northeast El Paso, Dell City, Loma Linda, Hurley, Chaparral, 
Tularosa, Fort Bliss, Faywood, White Sands Range Headquarters, 
Buckhorn, Crow Flats, Mimbres, Las Cruces, White Sands National 
Park, Hueco Tanks, Lordsburg, Fort Hancock, Kingston, Deming, Silver 
City, Garfield, Socorro, Mule Creek, Orogrande, Red Rock, Hachita, 
Sunland Park, and Downtown El Paso
1141 AM MDT Thu Aug 12 2021

...FLOOD WATCH IN EFFECT THROUGH SATURDAY MORNING...

The National Weather Service in El Paso Tx/Santa Teresa has issued a

* Flood Watch for portions of New Mexico and southwest Texas, 
  including the following areas, in New Mexico, Central Tularosa 
  Basin, East Slopes Sacramento Mountains Below 7500 Feet, Eastern 
  Black Range Foothills, Lowlands of the Bootheel, Northern Dona Ana 
  County, Otero Mesa, Sacramento Mountains Above 7500 Feet, Sierra 
  County Lakes, Southern Dona Ana County/Mesilla Valley, Southern 
  Gila Foothills/Mimbres Valley, Southern Gila Highlands/Black 
  Range, Southern Tularosa Basin, Southwest Desert/Lower Gila River 
  Valley, Southwest Desert/Mimbres Basin, Uplands of the Bootheel, 
  Upper Gila River Valley and West Slopes Sacramento Mountains Below 
  7500 Feet. In southwest Texas, Eastern/Central El Paso County, 
  Northern Hudspeth Highlands/Hueco Mountains, Rio Grande Valley of 
  Eastern El Paso/Western Hudspeth Counties, Rio Grande Valley of 
  Eastern Hudspeth County, Salt Basin, Southern Hudspeth Highlands 
  and Western El Paso County.

* Through Saturday morning.

* Abundant moisture will help fuel scattered to numerous 
  thunderstorms this afternoon through at Saturday morning. These 
  thunderstorms will be capable of producing very heavy rain in 
  brief amount of time. Wide spread storm totals of 2 to 4 inches 
  with isolated heavier amounts will be possible.

* Flooding of low water crossings will be likely. Flooding of 
  residences and other property near flood prone areas will be 
  possible. Remember, turn around don't drown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood 
Warnings. Those living in areas prone to flooding should be prepared 
to take action should flooding develop.

&&

$$

TSB
1 follow-up statement
737 
WGUS64 KEPZ 122114
FFAEPZ

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service El Paso Tx/Santa Teresa NM
314 PM MDT Thu Aug 12 2021

.Abundant moisture will combine with a weak upper level storm system 
to bring develop numerous thunderstorms across the region this 
afternoon through at least Saturday morning. These thunderstorms 
will be very efficient rain producers and they will be slow moving. 
This combination will lead to heavy rain and flash flooding. The 
best chances for heavy will be east of the Rio Grande this afternoon 
and tonight and then for the whole are for Friday into Saturday 
morning.

NMZ401>417-TXZ418>424-130600-
/O.CAN.KEPZ.FA.A.0002.000000T0000Z-210814T1500Z/
/O.NEW.KEPZ.FF.A.0007.210812T2114Z-210814T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Upper Gila River Valley-Southern Gila Highlands/Black Range-Southern
Gila Foothills/Mimbres Valley-Southwest Desert/Lower Gila River
Valley-Lowlands of the Bootheel-Uplands of the Bootheel-Southwest
Desert/Mimbres Basin-Eastern Black Range Foothills-Sierra County
Lakes-Northern Dona Ana County-Southern Dona Ana County/Mesilla
Valley-Central Tularosa Basin-Southern Tularosa Basin-West Slopes
Sacramento Mountains Below 7500 Feet-Sacramento Mountains Above
7500 Feet-East Slopes Sacramento Mountains Below 7500 Feet-Otero
Mesa-Western El Paso County-Eastern/Central El Paso County-Northern
Hudspeth Highlands/Hueco Mountains-Salt Basin-Southern Hudspeth
Highlands-Rio Grande Valley of Eastern El Paso/Western Hudspeth
Counties-Rio Grande Valley of Eastern Hudspeth County-
Including the cities of Indian Hot Springs, Spaceport, Winston, 
Cornudas, Gila Hot Springs, Derry, Sierra Blanca, Animas, Antelope 
Wells, Vado, Fort Bayard, Alamogordo, Cloudcroft, Mescalero, Hatch, 
Fabens, Tornillo, Hillsboro, Virden, Cloverdale, Columbus, Salt 
Flat, Mayhill, Lake Roberts, Radium Springs, Sacramento, Timberon, 
Sunspot, Truth Or Consequences, West El Paso, Apache Summit, Pinon, 
Mountain Park, Upper Valley, Cliff, Grant County Airport, East and 
Northeast El Paso, Dell City, Loma Linda, Hurley, Chaparral, 
Tularosa, Fort Bliss, Faywood, White Sands Range Headquarters, 
Buckhorn, Crow Flats, Mimbres, Las Cruces, White Sands National 
Park, Hueco Tanks, Lordsburg, Fort Hancock, Kingston, Deming, Silver 
City, Garfield, Socorro, Mule Creek, Orogrande, Red Rock, Hachita, 
Sunland Park, and Downtown El Paso
314 PM MDT Thu Aug 12 2021

...FLASH FLOOD WATCH IN EFFECT THROUGH SATURDAY MORNING...
...FLOOD WATCH IS CANCELLED...

The National Weather Service in El Paso Tx/Santa Teresa has issued a

* Flash Flood Watch for portions of New Mexico and southwest Texas, 
  including the following areas, in New Mexico, Central Tularosa 
  Basin, East Slopes Sacramento Mountains Below 7500 Feet, Eastern 
  Black Range Foothills, Lowlands of the Bootheel, Northern Dona Ana 
  County, Otero Mesa, Sacramento Mountains Above 7500 Feet, Sierra 
  County Lakes, Southern Dona Ana County/Mesilla Valley, Southern 
  Gila Foothills/Mimbres Valley, Southern Gila Highlands/Black 
  Range, Southern Tularosa Basin, Southwest Desert/Lower Gila River 
  Valley, Southwest Desert/Mimbres Basin, Uplands of the Bootheel, 
  Upper Gila River Valley and West Slopes Sacramento Mountains Below 
  7500 Feet. In southwest Texas, Eastern/Central El Paso County, 
  Northern Hudspeth Highlands/Hueco Mountains, Rio Grande Valley of 
  Eastern El Paso/Western Hudspeth Counties, Rio Grande Valley of 
  Eastern Hudspeth County, Salt Basin, Southern Hudspeth Highlands 
  and Western El Paso County.

* Through Saturday morning.

* Abundant moisture will help fuel scattered to numerous 
  thunderstorms this afternoon through at Saturday morning. These 
  thunderstorms will be capable of producing very heavy rain in 
  brief amount of time. Wide spread storm totals of 2 to 4 inches 
  with isolated heavier amounts will be possible.

* Flooding of low water crossings will be likely. Flooding of 
  residences and other property near flood prone areas will be 
  possible. Remember, turn around don't drown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

The Flood Watch was issued by mistake and has been cancelled. The 
Flash flood Watch takes its place.

$$

TSB

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 12, 11:37 AM MDTAreal Flood AdvisoryEPZOtero113 min
Aug 12, 11:49 AM MDTAreal Flood AdvisoryEPZOtero116 min
Aug 12, 12:03 PM MDTAreal Flood AdvisoryEPZOtero3 hr
Aug 12, 12:21 PM MDTAreal Flood AdvisoryEPZOtero3 hr
Aug 12, 2:16 PM MDTAreal Flood AdvisoryEPZGrant119 min
Aug 12, 2:53 PM MDTAreal Flood AdvisoryEPZOtero112 min
Aug 12, 3:08 PM MDTFlash Flood WarningEPZOtero3 hr
Aug 12, 3:14 PM MDTFlash Flood WatchEPZDoña Ana, Grant, Hidalgo, Luna, Otero, Sierra4 days
Aug 12, 3:37 PM MDTAreal Flood AdvisoryEPZLuna3 hr
Aug 12, 4:46 PM MDTAreal Flood AdvisoryEPZOtero119 min
Aug 11, 7:04 PM MDTAreal Flood AdvisoryEPZEl Paso3 hr
Aug 11, 10:11 PM MDTAreal Flood AdvisoryEPZHudspeth2 hr
Aug 11, 10:33 PM MDTAreal Flood AdvisoryEPZHudspeth117 min
Aug 12, 3:26 PM MDTAreal Flood AdvisoryEPZHudspeth2 hr
Aug 12, 5:06 PM MDTSpecial Weather StatementEPZEl Paso24 min
Aug 12, 5:15 PM MDTFlash Flood WarningEPZHudspeth3 hr
Aug 12, 5:33 PM MDTSpecial Weather StatementEPZEl Paso27 min
Aug 12, 5:50 PM MDTAreal Flood AdvisoryEPZEl Paso, Hudspeth115 min
Aug 12, 5:56 PM MDTSpecial Weather StatementEPZEl Paso34 min

Nearby

Flood Watches in New Mexico, 2021Flood Watches in Texas, 2021Every 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.