Borderland heavy area rainfall before our Labor Day Weekend

Weather Talk

POSTED: Tuesday, August 26, 2014 - 11:46am

UPDATED: Tuesday, August 26, 2014 - 3:12pm

Today thru Wednesday's Weather Formula: Plenty of tropical moisture + upper wave= potential heavy rainfall/flooding

There is an abundant amount of moisture streaming up from Mexico again today. I am writing this at around noon Wednesday, August 26th and an area of showers and storms are pushing our way from Mexico from the south and west. A long line of upper level low pressure, called a trough or wave, is pulling in all this sub-tropical, humid air. A little of this moisture may have come from Hurricane Marie, currently tracking northwest well past the Mexican Baja. This tropical moisture combined with this upper level wave will produce numerous area showers and thunderstorms tonight through early Wednesday. Most of El Paso, Las Cruces and the Borderland will have a good chance of receiving moderate to heavy rain fall. Some areas may receive between 1” to 3” of total rainfall!

That is why there is a Flash Flood Watch in effect from noon today through 6 A.M.. Wednesday morning for the entire Borderland. Most of the rain will come in the form of steady to moderate tropical rainfall with a couple embedded storms producing some gusty outflow winds and maybe some small hail. No severe weather is expected except the possibility of some localized street and arroyo flooding.

The area cloud cover and off and on showers and storms will keep afternoon high temperatures for El Paso and Las Cruces in the below average upper 80’s today and Wednesday.

The upper wave, the one is bringing in this extra moisture will track through, pulling in a cool front from the east. High pressure will then build over our region and slightly drier air will mix in. This will dramatically reduce the number of area showers and storms. We should go back to a pattern of mainly mountain thunderstorms and just a few isolated thunderstorms over the lowlands.

Here is a day by day break down of the next 7 days including Labor Day Weekend:

Flash Flood Watch for the entire Borderland from noon Tuesday, 26th through
6 A.M.. Wednesday, August 27th

Tuesday-Mostly cloudy, with a 50% of a late day showers & storms, potential flooding High: 89º

Tuesday Night-Mostly cloudy with a 50% chance of overnight storms, possible heavy rain/ flooding Low: 67º

Wednesday –Mostly cloudy both early & late Storms, a 40% scattered storm chance High: 89º

Wednesday Night –Partly cloudy, with a 40% chance of isolated storms Low: 68º

Thursday -Partly cloudy, breezy with a 20% isolated storm chance High: 92º

Thursday Night – Mostly clear, breezy with a 10% chance of a stray storm Low: 69º

Friday-–Mostly sunny, a slight 10% late day rainfall chance, High: 94º

Friday Night – Partly cloudy skies, breezy early, 30% chance of scattered storms Low: 70º

Saturday-Mostly sunny skies, breezy with a 10% storm chance High: 96º

Saturday Night-Mostly clear, a slight 10% rain chance Low: 69º'

Sunday- Mostly clear, breezy with a 10% chance of an isolated storms, a hot High: 97º!

Sunday Night-Partly Cloudy, breezy with a 10% chance of an isolated storms Low: 70º

Monday- *Labor Day*- Mostly sunny, breezy, nice cookout weather! High: 96º

Monday Night-Mostly clear, lighter winds with a mild Low: 71º

Tuesday-Mostly sunny, breezy with a hot High: 94º

Tuesday Night-Partly cloudy with a 10% chance of evening storms Low: 68º


Enjoy! Have a safe Holiday weekend!

Chuck DeBroder, Chief Meteorologist
KTSM, NewsChannel 9, NBC, El Paso, TX
915-532-5421 ext. 267

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