Alert archive / Nevada / Flash Flood Watches in 2014

Flash Flood Watch 8, NWS Las Vegas, NV

September 5, 2014Clark County, Lincoln County, Nye County, Nevada; Mohave County, Arizona; Inyo County, San Bernardino County, California

NWS Las Vegas, NV issued this flash flood watch at Sep 5, 2014, 2:43 PM PDT for Clark County, Lincoln County, Nye County, Nevada; Mohave County, Arizona; Inyo County, San Bernardino County, California. It took effect at Sep 7, 2014, 10:00 AM PDT. It was in force for 52 hr.

The area

The counties it named.

The facts

Issued
Sep 5, 2014, 2:43 PM PDT (21:43 UTC)
In effect from
Sep 7, 2014, 10:00 AM PDT
Expired
Sep 9, 2014, 2:24 PM PDT
In force
52 hr
Issued by
NWS Las Vegas, NV
Flood severity
None

Counties Mohave County, AZ, Inyo County, CA, San Bernardino County, CA, Clark County, NV, Lincoln County, NV, Nye County, NV

The radar

The Las Vegas radar (KESX), 110 km from the middle of the area, began a volume at 21:43 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

Las Vegas, NV (KVEF), launched 12:00Z, 9.7 hours before the alert went out and 15 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, Las Vegas, NV at 12:00Z on 2014-09-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Las Vegas, NV at 12:00Z on 2014-09-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3169 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
36 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

507 
WGUS65 KVEF 052143
FFAVEF

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE LAS VEGAS NV
243 PM PDT FRI SEP 5 2014

...MOISTURE FROM THE REMNANTS OF NORBERT WILL IMPACT THE MOJAVE
DESERT AND PARTS OF THE SOUTHERN GREAT BASIN SUNDAY INTO EARLY NEXT
WEEK...

.TROPICAL MOISTURE FROM THE REMNANTS OF NORBERT ARE FORECAST TO
SURGE NORTH INTO THE MOJAVE DESERT AND SOUTHERN GREAT BASIN SUNDAY
AND LINGER ACROSS THE AREA THROUGH EARLY NEXT WEEK. EXCESSIVE
RAINFALL RATES ARE POSSIBLE WHICH COULD TRIGGER LOCALIZED FLASH
FLOODING ESPECIALLY ON RECENT BURN SCARS. NONE OF THE LARGE WASHES OR
RIVERS LIKE THE VIRGIN...MUDDY OR BIG SANDY ARE AT RISK OF
FLOODING. HOWEVER...THOSE WITH INTERESTS SHOULD STAY ALERT AS ABOVE
NORMAL FLOWS ARE EXPECTED.

AZZ001>003-036-CAZ522>527-NVZ016>022-061100-
/O.NEW.KVEF.FF.A.0008.140907T1700Z-140909T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NORTHWEST PLATEAU-LAKE HAVASU AND FORT MOHAVE-NORTHWEST DESERTS-
LAKE MEAD NATIONAL RECREATION AREA-DEATH VALLEY NATIONAL PARK-
WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-MORONGO BASIN-
CADIZ BASIN-SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY-
SHEEP RANGE-SPRING MOUNTAINS-RED ROCK CANYON-LAS VEGAS VALLEY-
SOUTHERN CLARK COUNTY-
243 PM PDT FRI SEP 5 2014 /243 PM MST FRI SEP 5 2014/

...FLASH FLOOD WATCH IN EFFECT FROM SUNDAY MORNING THROUGH LATE
MONDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A

* FLASH FLOOD WATCH FOR PORTIONS OF NORTHWEST ARIZONA... 
  CALIFORNIA AND SOUTHERN NEVADA...INCLUDING THE FOLLOWING 
  AREAS...IN NORTHWEST ARIZONA...LAKE HAVASU AND FORT MOHAVE... 
  LAKE MEAD NATIONAL RECREATION AREA...NORTHWEST DESERTS AND 
  NORTHWEST PLATEAU. IN CALIFORNIA...CADIZ BASIN...DEATH VALLEY 
  NATIONAL PARK...EASTERN MOJAVE DESERT...MORONGO BASIN...SAN 
  BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY AND WESTERN 
  MOJAVE DESERT. IN SOUTHERN NEVADA...LAKE MEAD NATIONAL 
  RECREATION AREA...LAS VEGAS VALLEY...NORTHEAST CLARK COUNTY... 
  SHEEP RANGE...SOUTHERN CLARK COUNTY...SPRING MOUNTAINS-RED 
  ROCK CANYON AND WESTERN CLARK AND SOUTHERN NYE COUNTY. 

* FROM SUNDAY MORNING THROUGH LATE MONDAY NIGHT

* TROPICAL MOISTURE FROM THE REMNANTS OF NORBERT WILL SPREAD INTO
  THE MOJAVE DESERT AND SOUTHERN GREAT BASIN SUNDAY AND REMAIN INTO
  EARLY NEXT WEEK. FLASH FLOODING IS A RISK ESPECIALLY ON RECENT
  BURN SCARS DUE TO THE POTENTIAL OF RAINFALL RATES OF AT LEAST AN
  INCH AN HOUR. LOCALLY HIGHER RAINFALL RATES WOULD OCCUR WITH
  STRONG THUNDERSTORMS AND IN AREA OF OROGRAPHIC LIFT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION
AND PERSONS IN AND NEAR THE WATCH AREA SHOULD BE ALERT TO THE
POTENTIAL FOR HEAVY RAINFALL.

&&

$$
11 follow-up statements
899 
WGUS65 KVEF 061028
FFAVEF

FLOOD WATCH
NATIONAL WEATHER SERVICE LAS VEGAS NV
328 AM PDT SAT SEP 6 2014

.TROPICAL MOISTURE FROM THE REMNANTS OF NORBERT ARE FORECAST TO
SURGE NORTH INTO THE MOJAVE DESERT AND SOUTHERN GREAT BASIN
SUNDAY AND LINGER ACROSS THE AREA THROUGH EARLY NEXT WEEK.
EXCESSIVE RAINFALL RATES ARE POSSIBLE WHICH COULD TRIGGER
LOCALIZED FLASH FLOODING ESPECIALLY ON RECENT BURN SCARS. 

AZZ001>003-036-CAZ522>527-NVZ016>022-062300-
/O.CON.KVEF.FF.A.0008.140907T1700Z-140909T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NORTHWEST PLATEAU-LAKE HAVASU AND FORT MOHAVE-NORTHWEST DESERTS-
LAKE MEAD NATIONAL RECREATION AREA-DEATH VALLEY NATIONAL PARK-
WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-MORONGO BASIN-
CADIZ BASIN-SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY-
SHEEP RANGE-SPRING MOUNTAINS-RED ROCK CANYON-LAS VEGAS VALLEY-
SOUTHERN CLARK COUNTY-
328 AM PDT SAT SEP 6 2014 /328 AM MST SAT SEP 6 2014/

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM SUNDAY MORNING
THROUGH LATE MONDAY NIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF NORTHWEST ARIZONA...CALIFORNIA AND SOUTHERN 
  NEVADA...INCLUDING THE FOLLOWING AREAS...IN NORTHWEST 
  ARIZONA...LAKE HAVASU AND FORT MOHAVE...LAKE MEAD NATIONAL 
  RECREATION AREA...NORTHWEST DESERTS AND NORTHWEST PLATEAU. IN 
  CALIFORNIA...CADIZ BASIN...DEATH VALLEY NATIONAL PARK... 
  EASTERN MOJAVE DESERT...MORONGO BASIN...SAN BERNARDINO COUNTY- 
  UPPER COLORADO RIVER VALLEY AND WESTERN MOJAVE DESERT. IN 
  SOUTHERN NEVADA...LAKE MEAD NATIONAL RECREATION AREA...LAS 
  VEGAS VALLEY...NORTHEAST CLARK COUNTY...SHEEP RANGE...SOUTHERN 
  CLARK COUNTY...SPRING MOUNTAINS-RED ROCK CANYON AND WESTERN 
  CLARK AND SOUTHERN NYE COUNTY. 

* FROM SUNDAY MORNING THROUGH LATE MONDAY NIGHT

* TROPICAL MOISTURE FROM THE REMNANTS OF NORBERT WILL SPREAD INTO
  THE MOJAVE DESERT AND SOUTHERN GREAT BASIN SUNDAY AND REMAIN INTO
  EARLY NEXT WEEK. FLASH FLOODING IS A RISK ESPECIALLY ON RECENT
  BURN SCARS DUE TO THE POTENTIAL OF RAINFALL RATES OF AT LEAST AN
  INCH AN HOUR. LOCALLY HIGHER RAINFALL RATES WOULD OCCUR WITH
  STRONG THUNDERSTORMS AND IN AREA OF OROGRAPHIC LIFT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION
AND PERSONS IN AND NEAR THE WATCH AREA SHOULD BE ALERT TO THE
POTENTIAL FOR HEAVY RAINFALL.

&&

$$
812 
WGUS65 KVEF 062207
FFAVEF

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE LAS VEGAS NV
307 PM PDT SAT SEP 6 2014

.TROPICAL MOISTURE FROM THE REMNANTS OF NORBERT ARE FORECAST TO
SURGE NORTH INTO THE MOJAVE DESERT AND SOUTHERN GREAT BASIN
SUNDAY AND LINGER ACROSS THE AREA THROUGH EARLY NEXT WEEK.
EXCESSIVE RAINFALL RATES ARE POSSIBLE WHICH COULD TRIGGER
LOCALIZED FLASH FLOODING ESPECIALLY ON RECENT BURN SCARS.

NVZ015-071100-
/O.EXB.KVEF.FF.A.0008.140908T0000Z-140909T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LINCOLN COUNTY-
307 PM PDT SAT SEP 6 2014

...FLASH FLOOD WATCH IN EFFECT FROM LATE SUNDAY AFTERNOON THROUGH
LATE MONDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS EXPANDED THE

* FLASH FLOOD WATCH TO INCLUDE A PORTION OF SOUTH CENTRAL 
  NEVADA...INCLUDING THE FOLLOWING AREA...LINCOLN COUNTY. 

* FROM LATE SUNDAY AFTERNOON THROUGH LATE MONDAY NIGHT

* TROPICAL MOISTURE FROM THE REMNANTS OF NORBERT WILL SPREAD
  NORTHWARD INTO LINCOLN COUNTY SUNDAY NIGHT AND LINGER INTO EARLY
  NEXT WEEK. FLASH FLOODING IS A RISK ESPECIALLY ON RECENT BURN
  SCARS DUE TO THE POTENTIAL OF RAINFALL RATES OF AT LEAST AN INCH
  AN HOUR. LOCALLY HIGHER RAINFALL RATES WOULD OCCUR WITH STRONG
  THUNDERSTORMS AND BE ENHANCED IN THE MOUNTAINS BY OROGRAPHIC LIFT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION
AND PERSONS IN AND NEAR THE WATCH AREA SHOULD BE ALERT TO THE
POTENTIAL FOR HEAVY RAINFALL.

&&

$$

AZZ001>003-036-CAZ522>527-NVZ016>022-071100-
/O.CON.KVEF.FF.A.0008.140907T1700Z-140909T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NORTHWEST PLATEAU-LAKE HAVASU AND FORT MOHAVE-NORTHWEST DESERTS-
LAKE MEAD NATIONAL RECREATION AREA-DEATH VALLEY NATIONAL PARK-
WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-MORONGO BASIN-
CADIZ BASIN-SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY-
SHEEP RANGE-SPRING MOUNTAINS-RED ROCK CANYON-LAS VEGAS VALLEY-
SOUTHERN CLARK COUNTY-
307 PM PDT SAT SEP 6 2014 /307 PM MST SAT SEP 6 2014/

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM SUNDAY MORNING
THROUGH LATE MONDAY NIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF NORTHWEST ARIZONA...CALIFORNIA AND SOUTHERN 
  NEVADA...INCLUDING THE FOLLOWING AREAS...IN NORTHWEST 
  ARIZONA...LAKE HAVASU AND FORT MOHAVE...LAKE MEAD NATIONAL 
  RECREATION AREA...NORTHWEST DESERTS AND NORTHWEST PLATEAU. IN 
  CALIFORNIA...CADIZ BASIN...DEATH VALLEY NATIONAL PARK... 
  EASTERN MOJAVE DESERT...MORONGO BASIN...SAN BERNARDINO COUNTY- 
  UPPER COLORADO RIVER VALLEY AND WESTERN MOJAVE DESERT. IN 
  SOUTHERN NEVADA...LAKE MEAD NATIONAL RECREATION AREA...LAS 
  VEGAS VALLEY...NORTHEAST CLARK COUNTY...SHEEP RANGE...SOUTHERN 
  CLARK COUNTY...SPRING MOUNTAINS-RED ROCK CANYON AND WESTERN 
  CLARK AND SOUTHERN NYE COUNTY. 

* FROM SUNDAY MORNING THROUGH LATE MONDAY NIGHT

* TROPICAL MOISTURE FROM THE REMNANTS OF NORBERT WILL SPREAD INTO
  THE MOJAVE DESERT AND SOUTHERN GREAT BASIN SUNDAY AND REMAIN INTO
  EARLY NEXT WEEK. FLASH FLOODING IS A RISK ESPECIALLY ON RECENT
  BURN SCARS DUE TO THE POTENTIAL OF RAINFALL RATES OF AT LEAST AN
  INCH AN HOUR. LOCALLY HIGHER RAINFALL RATES WOULD OCCUR WITH
  STRONG THUNDERSTORMS AND BE ENHANCED IN THE MOUNTAINS BY
  OROGRAPHIC LIFT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION
AND PERSONS IN AND NEAR THE WATCH AREA SHOULD BE ALERT TO THE
POTENTIAL FOR HEAVY RAINFALL.

&&

$$
672 
WGUS65 KVEF 071012
FFAVEF

FLOOD WATCH
NATIONAL WEATHER SERVICE LAS VEGAS NV
312 AM PDT SUN SEP 7 2014

.TROPICAL MOISTURE FROM THE REMNANTS OF NORBERT WILL SURGE NORTH
INTO THE MOJAVE DESERT AND SOUTHERN GREAT BASIN TODAY AND LINGER
THROUGH EARLY NEXT WEEK. EXCESSIVE RAINFALL RATES ARE POSSIBLE
WHICH COULD TRIGGER LOCALIZED FLASH FLOODING ESPECIALLY ON RECENT
BURN SCARS.

AZZ001>003-036-CAZ522>527-NVZ016>022-071730-
/O.CON.KVEF.FF.A.0008.140907T1700Z-140909T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NORTHWEST PLATEAU-LAKE HAVASU AND FORT MOHAVE-NORTHWEST DESERTS-
LAKE MEAD NATIONAL RECREATION AREA-DEATH VALLEY NATIONAL PARK-
WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-MORONGO BASIN-
CADIZ BASIN-SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY-
SHEEP RANGE-SPRING MOUNTAINS-RED ROCK CANYON-LAS VEGAS VALLEY-
SOUTHERN CLARK COUNTY-
312 AM PDT SUN SEP 7 2014 /312 AM MST SUN SEP 7 2014/

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 10 AM PDT /10 AM MST/
THIS MORNING THROUGH LATE MONDAY NIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF NORTHWEST ARIZONA...CALIFORNIA AND SOUTHERN 
  NEVADA...INCLUDING THE FOLLOWING AREAS...IN NORTHWEST 
  ARIZONA...LAKE HAVASU AND FORT MOHAVE...LAKE MEAD NATIONAL 
  RECREATION AREA...NORTHWEST DESERTS AND NORTHWEST PLATEAU. IN 
  CALIFORNIA...CADIZ BASIN...DEATH VALLEY NATIONAL PARK... 
  EASTERN MOJAVE DESERT...MORONGO BASIN...SAN BERNARDINO COUNTY- 
  UPPER COLORADO RIVER VALLEY AND WESTERN MOJAVE DESERT. IN 
  SOUTHERN NEVADA...LAKE MEAD NATIONAL RECREATION AREA...LAS 
  VEGAS VALLEY...NORTHEAST CLARK COUNTY...SHEEP RANGE...SOUTHERN 
  CLARK COUNTY...SPRING MOUNTAINS-RED ROCK CANYON AND WESTERN 
  CLARK AND SOUTHERN NYE COUNTY. 

* FROM 10 AM THIS MORNING THROUGH LATE MONDAY NIGHT

* TROPICAL MOISTURE FROM THE REMNANTS OF NORBERT WILL SPREAD INTO
  THE MOJAVE DESERT TODAY...THE SOUTHERN GREAT BASIN TONIGHT...AND
  REMAIN INTO EARLY NEXT WEEK. FLASH FLOODING IS A RISK ESPECIALLY
  ON RECENT BURN SCARS. THE GREATEST RISK TODAY WILL BE SOUTH OF
  INTERSTATE 15...SPREADING FARTHER NORTH AND WEST TONIGHT AND
  MONDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY BECOME FAVORABLE FOR
FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION AND
PERSONS IN AND NEAR THE WATCH AREA SHOULD BE ALERT TO THE POTENTIAL
FOR HEAVY RAINFALL.

&&

$$

NVZ015-071730-
/O.CON.KVEF.FF.A.0008.140908T0000Z-140909T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LINCOLN COUNTY-
312 AM PDT SUN SEP 7 2014

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM THIS AFTERNOON
THROUGH LATE MONDAY NIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF SOUTH CENTRAL NEVADA...INCLUDING THE FOLLOWING 
  AREA...LINCOLN COUNTY. 

* FROM THIS AFTERNOON THROUGH LATE MONDAY NIGHT

* TROPICAL MOISTURE FROM THE REMNANTS OF NORBERT WILL SPREAD
  NORTHWARD INTO LINCOLN COUNTY TONIGHT AND LINGER INTO EARLY NEXT
  WEEK. FLASH FLOODING IS A RISK ESPECIALLY ON RECENT BURN SCARS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY BECOME FAVORABLE FOR
FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION AND
PERSONS IN AND NEAR THE WATCH AREA SHOULD BE ALERT TO THE POTENTIAL
FOR HEAVY RAINFALL.

&&

$$

MORGAN
438 
WGUS65 KVEF 071827
FFAVEF

FLOOD WATCH
NATIONAL WEATHER SERVICE LAS VEGAS NV
1127 AM PDT SUN SEP 7 2014

.TROPICAL MOISTURE FROM THE REMNANTS OF NORBERT WILL SURGE NORTH
INTO THE MOJAVE DESERT AND SOUTHERN GREAT BASIN TODAY AND LINGER
THROUGH EARLY NEXT WEEK. EXCESSIVE RAINFALL RATES ARE POSSIBLE
WHICH COULD TRIGGER LOCALIZED FLASH FLOODING ESPECIALLY ON RECENT
BURN SCARS.

AZZ001>003-036-CAZ522>527-NVZ016>022-081130-
/O.CON.KVEF.FF.A.0008.000000T0000Z-140909T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NORTHWEST PLATEAU-LAKE HAVASU AND FORT MOHAVE-NORTHWEST DESERTS-
LAKE MEAD NATIONAL RECREATION AREA-DEATH VALLEY NATIONAL PARK-
WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-MORONGO BASIN-
CADIZ BASIN-SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY-
SHEEP RANGE-SPRING MOUNTAINS-RED ROCK CANYON-LAS VEGAS VALLEY-
SOUTHERN CLARK COUNTY-
1127 AM PDT SUN SEP 7 2014 /1127 AM MST SUN SEP 7 2014/

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE MONDAY
NIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF NORTHWEST ARIZONA...CALIFORNIA AND SOUTHERN 
  NEVADA...INCLUDING THE FOLLOWING AREAS...IN NORTHWEST 
  ARIZONA...LAKE HAVASU AND FORT MOHAVE...LAKE MEAD NATIONAL 
  RECREATION AREA...NORTHWEST DESERTS AND NORTHWEST PLATEAU. IN 
  CALIFORNIA...CADIZ BASIN...DEATH VALLEY NATIONAL PARK... 
  EASTERN MOJAVE DESERT...MORONGO BASIN...SAN BERNARDINO COUNTY- 
  UPPER COLORADO RIVER VALLEY AND WESTERN MOJAVE DESERT. IN 
  SOUTHERN NEVADA...LAKE MEAD NATIONAL RECREATION AREA...LAS 
  VEGAS VALLEY...NORTHEAST CLARK COUNTY...SHEEP RANGE...SOUTHERN 
  CLARK COUNTY...SPRING MOUNTAINS-RED ROCK CANYON AND WESTERN 
  CLARK AND SOUTHERN NYE COUNTY. 

* THROUGH LATE MONDAY NIGHT

* TROPICAL MOISTURE FROM THE REMNANTS OF NORBERT WILL SPREAD INTO
  THE MOJAVE DESERT TODAY...THE SOUTHERN GREAT BASIN TONIGHT...AND
  REMAIN INTO EARLY NEXT WEEK. FLASH FLOODING IS A RISK ESPECIALLY
  ON RECENT BURN SCARS. THE GREATEST RISK TODAY WILL BE SOUTH OF
  INTERSTATE 15...SPREADING FARTHER NORTH AND WEST TONIGHT AND
  MONDAY.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY BECOME FAVORABLE
FOR FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION
AND PERSONS IN AND NEAR THE WATCH AREA SHOULD BE ALERT TO THE
POTENTIAL FOR HEAVY RAINFALL.

&&

$$

NVZ015-081130-
/O.CON.KVEF.FF.A.0008.140908T0000Z-140909T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LINCOLN COUNTY-
1127 AM PDT SUN SEP 7 2014

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 5 PM PDT THIS
AFTERNOON THROUGH LATE MONDAY NIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF SOUTH CENTRAL NEVADA...INCLUDING THE FOLLOWING 
  AREA...LINCOLN COUNTY. 

* FROM 5 PM PDT THIS AFTERNOON THROUGH LATE MONDAY NIGHT

* TROPICAL MOISTURE FROM THE REMNANTS OF NORBERT WILL SPREAD
  NORTHWARD INTO LINCOLN COUNTY TONIGHT AND LINGER INTO EARLY NEXT
  WEEK. FLASH FLOODING IS A RISK ESPECIALLY ON RECENT BURN SCARS.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY BECOME FAVORABLE
FOR FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION
AND PERSONS IN AND NEAR THE WATCH AREA SHOULD BE ALERT TO THE
POTENTIAL FOR HEAVY RAINFALL.

&&

$$
731 
WGUS65 KVEF 072338
FFAVEF

FLOOD WATCH
NATIONAL WEATHER SERVICE LAS VEGAS NV
438 PM PDT SUN SEP 7 2014

.TROPICAL MOISTURE FROM THE REMNANTS OF NORBERT HAS SURGED NORTH INTO
THE MOJAVE DESERT AND SOUTHERN GREAT BASIN. THIS MOISTURE WILL LINGER
FOR A FEW DAYS. EXCESSIVE RAINFALL RATES ARE POSSIBLE WHICH COULD
TRIGGER LOCALIZED FLASH FLOODING ESPECIALLY ON RECENT BURN SCARS.

AZZ001>003-036-CAZ522>527-NVZ016>022-081115-
/O.CON.KVEF.FF.A.0008.000000T0000Z-140909T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NORTHWEST PLATEAU-LAKE HAVASU AND FORT MOHAVE-NORTHWEST DESERTS-
LAKE MEAD NATIONAL RECREATION AREA-DEATH VALLEY NATIONAL PARK-
WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-MORONGO BASIN-
CADIZ BASIN-SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY-
SHEEP RANGE-SPRING MOUNTAINS-RED ROCK CANYON-LAS VEGAS VALLEY-
SOUTHERN CLARK COUNTY-
438 PM PDT SUN SEP 7 2014 /438 PM MST SUN SEP 7 2014/

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE MONDAY
NIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF NORTHWEST ARIZONA...CALIFORNIA AND SOUTHERN 
  NEVADA...INCLUDING THE FOLLOWING AREAS...IN NORTHWEST 
  ARIZONA...LAKE HAVASU AND FORT MOHAVE...LAKE MEAD NATIONAL 
  RECREATION AREA...NORTHWEST DESERTS AND NORTHWEST PLATEAU. IN 
  CALIFORNIA...CADIZ BASIN...DEATH VALLEY NATIONAL PARK... 
  EASTERN MOJAVE DESERT...MORONGO BASIN...SAN BERNARDINO COUNTY- 
  UPPER COLORADO RIVER VALLEY AND WESTERN MOJAVE DESERT. IN 
  SOUTHERN NEVADA...LAKE MEAD NATIONAL RECREATION AREA...LAS 
  VEGAS VALLEY...NORTHEAST CLARK COUNTY...SHEEP RANGE...SOUTHERN 
  CLARK COUNTY...SPRING MOUNTAINS-RED ROCK CANYON AND WESTERN 
  CLARK AND SOUTHERN NYE COUNTY. 

* THROUGH LATE MONDAY NIGHT

* TROPICAL MOISTURE FROM THE REMNANTS OF NORBERT HAS SPREAD INTO THE
  MOJAVE DESERT AND SOUTHERN GREAT BASIN...AND WILL REMAIN FOR THE
  NEXT COUPLE DAYS. FLASH FLOODING IS A RISK ESPECIALLY ON RECENT
  BURN SCARS.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY BECOME FAVORABLE
FOR FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION
AND PERSONS IN AND NEAR THE WATCH AREA SHOULD BE ALERT TO THE
POTENTIAL FOR HEAVY RAINFALL.

&&

$$

NVZ015-081115-
/O.CON.KVEF.FF.A.0008.140908T0000Z-140909T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LINCOLN COUNTY-
438 PM PDT SUN SEP 7 2014

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE MONDAY
NIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF SOUTH CENTRAL NEVADA...INCLUDING THE FOLLOWING 
  AREA...LINCOLN COUNTY. 

* THROUGH LATE MONDAY NIGHT

* TROPICAL MOISTURE FROM THE REMNANTS OF NORBERT WILL SPREAD NORTHWARD
  INTO LINCOLN COUNTY TONIGHT AND LINGER INTO EARLY NEXT WEEK. FLASH
  FLOODING IS A RISK ESPECIALLY ON RECENT BURN SCARS.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY BECOME FAVORABLE
FOR FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION
AND PERSONS IN AND NEAR THE WATCH AREA SHOULD BE ALERT TO THE
POTENTIAL FOR HEAVY RAINFALL.

&&

$$
134 
WGUS65 KVEF 081022
FFAVEF

FLOOD WATCH
NATIONAL WEATHER SERVICE LAS VEGAS NV
322 AM PDT MON SEP 8 2014

.TROPICAL MOISTURE FROM THE REMNANTS OF NORBERT HAS SURGED NORTH
INTO THE MOJAVE DESERT AND SOUTHERN GREAT BASIN. EXCESSIVE RAIN
REMAINS POSSIBLE THROUGH TONIGHT...WHICH COULD TRIGGER LOCALIZED
FLASH FLOODING ESPECIALLY ON RECENT BURN SCARS.

AZZ001>003-036-CAZ522>527-NVZ016>022-081830-
/O.CON.KVEF.FF.A.0008.000000T0000Z-140909T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NORTHWEST PLATEAU-LAKE HAVASU AND FORT MOHAVE-NORTHWEST DESERTS-
LAKE MEAD NATIONAL RECREATION AREA-DEATH VALLEY NATIONAL PARK-
WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-MORONGO BASIN-
CADIZ BASIN-SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY-
SHEEP RANGE-SPRING MOUNTAINS-RED ROCK CANYON-LAS VEGAS VALLEY-
SOUTHERN CLARK COUNTY-
322 AM PDT MON SEP 8 2014 /322 AM MST MON SEP 8 2014/

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF NORTHWEST ARIZONA...CALIFORNIA AND SOUTHERN 
  NEVADA...INCLUDING THE FOLLOWING AREAS...IN NORTHWEST 
  ARIZONA...LAKE HAVASU AND FORT MOHAVE...LAKE MEAD NATIONAL 
  RECREATION AREA...NORTHWEST DESERTS AND NORTHWEST PLATEAU. IN 
  CALIFORNIA...CADIZ BASIN...DEATH VALLEY NATIONAL PARK... 
  EASTERN MOJAVE DESERT...MORONGO BASIN...SAN BERNARDINO COUNTY- 
  UPPER COLORADO RIVER VALLEY AND WESTERN MOJAVE DESERT. IN 
  SOUTHERN NEVADA...LAKE MEAD NATIONAL RECREATION AREA...LAS 
  VEGAS VALLEY...NORTHEAST CLARK COUNTY...SHEEP RANGE...SOUTHERN 
  CLARK COUNTY...SPRING MOUNTAINS-RED ROCK CANYON AND WESTERN 
  CLARK AND SOUTHERN NYE COUNTY. 

* THROUGH LATE TONIGHT

* TROPICAL MOISTURE FROM THE REMNANTS OF NORBERT HAS SPREAD INTO THE
  MOJAVE DESERT AND SOUTHERN GREAT BASIN. FLASH FLOODING IS A RISK
  ESPECIALLY ON RECENT BURN SCARS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY BECOME FAVORABLE
FOR FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION
AND PERSONS IN AND NEAR THE WATCH AREA SHOULD BE ALERT TO THE
POTENTIAL FOR HEAVY RAINFALL.

&&

$$

NVZ015-081830-
/O.CON.KVEF.FF.A.0008.000000T0000Z-140909T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LINCOLN COUNTY-
322 AM PDT MON SEP 8 2014

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF SOUTH CENTRAL NEVADA...INCLUDING THE FOLLOWING 
  AREA...LINCOLN COUNTY. 

* THROUGH LATE TONIGHT

* TROPICAL MOISTURE FROM THE REMNANTS OF NORBERT HAS SPREAD INTO
  LINCOLN COUNTY. FLASH FLOODING IS A RISK ESPECIALLY ON RECENT
  BURN SCARS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY BECOME FAVORABLE
FOR FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION
AND PERSONS IN AND NEAR THE WATCH AREA SHOULD BE ALERT TO THE
POTENTIAL FOR HEAVY RAINFALL.

&&

$$

MORGAN
409 
WGUS65 KVEF 081803
FFAVEF

FLOOD WATCH
NATIONAL WEATHER SERVICE LAS VEGAS NV
1103 AM PDT MON SEP 8 2014

.TROPICAL MOISTURE FROM THE REMNANTS OF NORBERT HAS SURGED NORTH
INTO THE MOJAVE DESERT AND SOUTHERN GREAT BASIN. EXCESSIVE RAIN
REMAINS POSSIBLE THROUGH TONIGHT...WHICH COULD TRIGGER LOCALIZED
FLASH FLOODING ESPECIALLY ON RECENT BURN SCARS.

AZZ001>003-036-CAZ522>527-NVZ016>022-091200-
/O.CON.KVEF.FF.A.0008.000000T0000Z-140909T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NORTHWEST PLATEAU-LAKE HAVASU AND FORT MOHAVE-NORTHWEST DESERTS-
LAKE MEAD NATIONAL RECREATION AREA-DEATH VALLEY NATIONAL PARK-
WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-MORONGO BASIN-
CADIZ BASIN-SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY-
SHEEP RANGE-SPRING MOUNTAINS-RED ROCK CANYON-LAS VEGAS VALLEY-
SOUTHERN CLARK COUNTY-
1103 AM PDT MON SEP 8 2014 /1103 AM MST MON SEP 8 2014/

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF NORTHWEST ARIZONA...CALIFORNIA AND SOUTHERN 
  NEVADA...INCLUDING THE FOLLOWING AREAS...IN NORTHWEST 
  ARIZONA...LAKE HAVASU AND FORT MOHAVE...LAKE MEAD NATIONAL 
  RECREATION AREA...NORTHWEST DESERTS AND NORTHWEST PLATEAU. IN 
  CALIFORNIA...CADIZ BASIN...DEATH VALLEY NATIONAL PARK... 
  EASTERN MOJAVE DESERT...MORONGO BASIN...SAN BERNARDINO COUNTY- 
  UPPER COLORADO RIVER VALLEY AND WESTERN MOJAVE DESERT. IN 
  SOUTHERN NEVADA...LAKE MEAD NATIONAL RECREATION AREA...LAS 
  VEGAS VALLEY...NORTHEAST CLARK COUNTY...SHEEP RANGE...SOUTHERN 
  CLARK COUNTY...SPRING MOUNTAINS-RED ROCK CANYON AND WESTERN 
  CLARK AND SOUTHERN NYE COUNTY. 

* THROUGH LATE TONIGHT

* TROPICAL MOISTURE FROM THE REMNANTS OF NORBERT HAS SPREAD INTO 
  THE MOJAVE DESERT AND SOUTHERN GREAT BASIN. FLASH FLOODING IS 
  A RISK ESPECIALLY ON RECENT BURN SCARS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY BECOME FAVORABLE
FOR FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION
AND PERSONS IN AND NEAR THE WATCH AREA SHOULD BE ALERT TO THE
POTENTIAL FOR HEAVY RAINFALL.

&&

$$

NVZ015-091200-
/O.CON.KVEF.FF.A.0008.000000T0000Z-140909T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LINCOLN COUNTY-
1103 AM PDT MON SEP 8 2014

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF SOUTH CENTRAL NEVADA...INCLUDING THE FOLLOWING 
  AREA...LINCOLN COUNTY. 

* THROUGH LATE TONIGHT

* TROPICAL MOISTURE FROM THE REMNANTS OF NORBERT HAS SPREAD INTO
  LINCOLN COUNTY. FLASH FLOODING IS A RISK ESPECIALLY ON RECENT BURN
  SCARS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY BECOME FAVORABLE
FOR FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION
AND PERSONS IN AND NEAR THE WATCH AREA SHOULD BE ALERT TO THE
POTENTIAL FOR HEAVY RAINFALL.

&&

$$
034 
WGUS65 KVEF 090937
FFAVEF

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE LAS VEGAS NV
237 AM PDT TUE SEP 9 2014

.DRIER AIR WAS PUSHING IN FROM THE WEST THIS MORNING. THERE WILL
STILL BE A RISK OF FLASH FLOODING FOR MUCH OF MOHAVE COUNTY THROUGH
THIS EVENING...BUT THE RISK WILL DROP OFF CONSIDERABLY FOR THE
REMAINDER OF THE AREA THIS MORNING.

AZZ003-091200-
/O.EXT.KVEF.FF.A.0008.000000T0000Z-140910T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NORTHWEST DESERTS-
237 AM MST TUE SEP 9 2014

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

THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR

* A PORTION OF NORTHWEST ARIZONA...INCLUDING THE FOLLOWING 
  AREA...NORTHWEST DESERTS. 

* THROUGH THIS EVENING

* TROPICAL MOISTURE WILL LINGER IN MOHAVE COUNTY THROUGH THIS
  EVENING. FLASH FLOODING IS A RISK ESPECIALLY ON RECENT BURN
  SCARS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY BECOME FAVORABLE
FOR FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION
AND PERSONS IN AND NEAR THE WATCH AREA SHOULD BE ALERT TO THE
POTENTIAL FOR HEAVY RAINFALL.

&&

$$

AZZ001-002-036-CAZ522>527-NVZ016>022-091200-
/O.CON.KVEF.FF.A.0008.000000T0000Z-140909T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NORTHWEST PLATEAU-LAKE HAVASU AND FORT MOHAVE-
LAKE MEAD NATIONAL RECREATION AREA-DEATH VALLEY NATIONAL PARK-
WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-MORONGO BASIN-
CADIZ BASIN-SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY-
SHEEP RANGE-SPRING MOUNTAINS-RED ROCK CANYON-LAS VEGAS VALLEY-
SOUTHERN CLARK COUNTY-
237 AM PDT TUE SEP 9 2014 /237 AM MST TUE SEP 9 2014/

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 5 AM PDT /5 AM MST/
EARLY THIS MORNING...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF NORTHWEST ARIZONA...CALIFORNIA AND SOUTHERN 
  NEVADA...INCLUDING THE FOLLOWING AREAS...IN NORTHWEST 
  ARIZONA...LAKE HAVASU AND FORT MOHAVE...LAKE MEAD NATIONAL 
  RECREATION AREA AND NORTHWEST PLATEAU. IN CALIFORNIA...CADIZ 
  BASIN...DEATH VALLEY NATIONAL PARK...EASTERN MOJAVE DESERT... 
  MORONGO BASIN...SAN BERNARDINO COUNTY-UPPER COLORADO RIVER 
  VALLEY AND WESTERN MOJAVE DESERT. IN SOUTHERN NEVADA...LAKE 
  MEAD NATIONAL RECREATION AREA...LAS VEGAS VALLEY...NORTHEAST 
  CLARK COUNTY...SHEEP RANGE...SOUTHERN CLARK COUNTY...SPRING 
  MOUNTAINS-RED ROCK CANYON AND WESTERN CLARK AND SOUTHERN NYE 
  COUNTY. 

* UNTIL 5 AM PDT /5 AM MST/ EARLY THIS MORNING

* TROPICAL MOISTURE WILL SLOWLY BE PUSHED TO THE EAST THIS MORNING
  AS DRIER AIR WORKS IN. THE THREAT OF FLASH FLOODING WILL CONTINUE
  TO DECREASE THIS MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY BECOME FAVORABLE
FOR FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION
AND PERSONS IN AND NEAR THE WATCH AREA SHOULD BE ALERT TO THE
POTENTIAL FOR HEAVY RAINFALL.

&&

$$

NVZ015-091200-
/O.CON.KVEF.FF.A.0008.000000T0000Z-140909T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LINCOLN COUNTY-
237 AM PDT TUE SEP 9 2014

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 5 AM PDT EARLY THIS
MORNING...

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF SOUTH CENTRAL NEVADA...INCLUDING THE FOLLOWING 
  AREA...LINCOLN COUNTY. 

* UNTIL 5 AM PDT EARLY THIS MORNING

* TROPICAL MOISTURE WILL SLOWLY BE PUSHED TO THE EAST THIS MORNING
  AS DRIER AIR WORKS IN. THE THREAT OF FLASH FLOODING WILL CONTINUE
  TO DECREASE THIS MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY BECOME FAVORABLE
FOR FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION
AND PERSONS IN AND NEAR THE WATCH AREA SHOULD BE ALERT TO THE
POTENTIAL FOR HEAVY RAINFALL.

&&

$$

MORGAN
837 
WGUS65 KVEF 091134
FFAVEF

FLOOD WATCH
NATIONAL WEATHER SERVICE LAS VEGAS NV
434 AM PDT TUE SEP 9 2014

.DRIER AIR WAS PUSHING IN FROM THE WEST THIS MORNING...AND THE RISK
OF FLASH FLOODING HAS DECREASED EVERYWHERE EXCEPT MOHAVE COUNTY
WHERE DEEPER MOISTURE REMAINS IN PLACE.

AZZ001-002-036-CAZ522>527-NVZ016>022-091245-
/O.EXP.KVEF.FF.A.0008.000000T0000Z-140909T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NORTHWEST PLATEAU-LAKE HAVASU AND FORT MOHAVE-
LAKE MEAD NATIONAL RECREATION AREA-DEATH VALLEY NATIONAL PARK-
WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-MORONGO BASIN-
CADIZ BASIN-SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY-
SHEEP RANGE-SPRING MOUNTAINS-RED ROCK CANYON-LAS VEGAS VALLEY-
SOUTHERN CLARK COUNTY-
434 AM PDT TUE SEP 9 2014 /434 AM MST TUE SEP 9 2014/

...FLASH FLOOD WATCH WILL EXPIRE AT 5 AM PDT /5 AM MST/ EARLY
THIS MORNING...

THE FLASH FLOOD WATCH FOR PORTIONS OF NORTHWEST ARIZONA...
CALIFORNIA AND SOUTHERN NEVADA WILL EXPIRE AT 5 AM PDT /5 AM MST/
EARLY THIS MORNING.

ALTHOUGH ISOLATED THUNDERSTORMS ARE POSSIBLE THIS MORNING...THE
THREAT FOR FLASH FLOODING HAS DECREASED SIGNIFICANTLY. THE FLASH
FLOOD WATCH WILL BE ALLOWED TO EXPIRE.

$$

NVZ015-091245-
/O.EXP.KVEF.FF.A.0008.000000T0000Z-140909T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LINCOLN COUNTY-
434 AM PDT TUE SEP 9 2014

...FLASH FLOOD WATCH WILL EXPIRE AT 5 AM PDT EARLY THIS MORNING...

THE FLASH FLOOD WATCH FOR A PORTION OF SOUTH CENTRAL NEVADA WILL
EXPIRE AT 5 AM PDT EARLY THIS MORNING.

ALTHOUGH SCATTERED THUNDERSTORMS WILL BE POSSIBLE THROUGH THE
DAY...THE THREAT FOR WIDESPREAD FLASH FLOODING HAS DECREASED
SIGNIFICANTLY. THE FLASH FLOOD WATCH WILL BE ALLOWED TO EXPIRE.

$$

AZZ003-091930-
/O.CON.KVEF.FF.A.0008.000000T0000Z-140910T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NORTHWEST DESERTS-
434 AM MST TUE SEP 9 2014

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING...

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF NORTHWEST ARIZONA...INCLUDING THE FOLLOWING 
  AREA...NORTHWEST DESERTS. 

* THROUGH THIS EVENING

* TROPICAL MOISTURE WILL LINGER IN MOHAVE COUNTY THROUGH THIS 
  EVENING. FLASH FLOODING IS A RISK ESPECIALLY ON RECENT BURN 
  SCARS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY BECOME FAVORABLE
FOR FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION
AND PERSONS IN AND NEAR THE WATCH AREA SHOULD BE ALERT TO THE
POTENTIAL FOR HEAVY RAINFALL.

&&

$$

MORGAN
496 
WGUS65 KVEF 091812
FFAVEF

FLOOD WATCH
NATIONAL WEATHER SERVICE LAS VEGAS NV
1112 AM PDT TUE SEP 9 2014

.DRIER AIR CONTINUES TO PUSH IN FROM THE WEST TODAY. THE RISK OF
FLASH FLOODING HAS DECREASED EVERYWHERE EXCEPT SOUTHERN MOHAVE
COUNTY WHERE DEEPER MOISTURE REMAINS IN PLACE.

AZZ003-100300-
/O.CON.KVEF.FF.A.0008.000000T0000Z-140910T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NORTHWEST DESERTS-
1112 AM MST TUE SEP 9 2014

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF NORTHWEST ARIZONA...INCLUDING THE FOLLOWING 
  AREA...NORTHWEST DESERTS. 

* UNTIL 8 PM MST THIS EVENING

* TROPICAL MOISTURE WILL LINGER IN MOHAVE COUNTY THROUGH THIS 
  EVENING. FLASH FLOODING IS A RISK ESPECIALLY ON RECENT BURN 
  SCARS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY BECOME FAVORABLE
FOR FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION
AND PERSONS IN AND NEAR THE WATCH AREA SHOULD BE ALERT TO THE
POTENTIAL FOR HEAVY RAINFALL.

&&

$$
421 
WGUS65 KVEF 092124
FFAVEF

FLOOD WATCH
NATIONAL WEATHER SERVICE LAS VEGAS NV
224 PM PDT TUE SEP 9 2014

AZZ003-092230-
/O.CAN.KVEF.FF.A.0008.000000T0000Z-140910T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NORTHWEST DESERTS-
224 PM MST TUE SEP 9 2014

...FLASH FLOOD WATCH IS CANCELLED...

THE FLASH FLOOD WATCH FOR THE NORTHWEST DESERTS OF ARIZONA HAS BEEN
CANCELLED. DRIER AND MORE STABLE AIR HAS MOVED IN A LITTLE FASTER
THAN EXPECTED. ISOLATED THUNDERSTORMS ARE STILL POSSIBLE THROUGH
EARLY THIS EVENING BUT THE THREAT OF WIDESPREAD FLASH FLOODING HAS
DIMINISHED SIGNIFICANTLY. 

$$

What forecasters said that day

The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Las Vegas, NV wrote its last area forecast discussion before this flash flood watch went out at Sep 5, 9:55 AM PDT, 4 hours 48 minutes earlier.

Area forecast discussion, Sep 5, 9:55 AM PDT, 4 hours 48 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAS VEGAS NV
955 AM PDT FRI SEP 5 2014

.SYNOPSIS...A FEW SHOWERS AND THUNDERSTORMS ARE POSSIBLE ACROSS
MAINLY THE HIGHER TERRAIN OF NORTHWEST ARIZONA...FAR SOUTHEAST
NEVADA AND EASTERN CALIFORNIA TODAY AND SATURDAY. OTHERWISE THE REST
OF THE AREA SHOULD SEE DRY CONDITIONS UNDER SOUTHWEST FLOW. MOISTURE
IS FORECAST TO INCREASE EVEN MORE SUNDAY INTO MONDAY RESULTING IN A
BETTER CHANCE OF SHOWERS AND THUNDERSTORMS ACROSS MUCH OF THE AREA.
&&

.UPDATE...LOW LEVEL MOISTURE STREAMING UP THE COLORADO RIVER VALLEY
AND SOUTHEAST CALIFORNIA DEPICTED BY CUMULUS STREETS AS FAR NORTH AS
LAKE MEAD AND WEST AS THE MORONGO BASIN. SURFACE DEWPOINTS IN THE
LOW-MID 60S AS FAR NORTH AS LAS VEGAS WITH LOW 70S IN EASTERN
RIVERSIDE AND IMPERIAL COUNTIES. WOULD EXPECT SOME OF THIS MOISTURE
TO MIX OUT BUT DECIDED TO INCREASE POPS FOR THE HIGHER TERRAIN OF
CLARK COUNTY AND EASTERN SAN BERNARDINO COUNTIES THIS AFTERNOON AND
EVENING. CONCERN STILL CENTERS AROUND SUNDAY INTO MONDAY AS TROPICAL
MOISTURE SPREADS FURTHER NORTH INTO THE REGION.
&&

.PREV DISCUSSION
328 AM PDT FRI SEP 5 2014

.SHORT TERM /THROUGH SUNDAY NIGHT/...
THE SYNOPTIC PATTERN THIS MORNING FEATURES AN ELONGATED AREA OF HIGH
PRESSURE ALOFT FROM TEXAS TO THE SOUTHEAST CONUS...A POSITIVELY
TILTED TROUGH STRETCHING FROM NORTHERN CALIFORNIA TO NORTH
DAKOTA...AND OF COURSE HURRICANE NORBERT WEST-SOUTHWEST OF THE TIP
OF BAJA CALIFORNIA. THROUGH THE SHORT TERM PERIOD...NORBERT WILL
REMAIN OFFSHORE OF THE PENINSULA AND PARALLEL THE COAST AS IT TRACKS
NORTH-NORTHWEST. AS THIS TROPICAL SYSTEM CONTINUES NORTHWARD...WE
WILL SEE SURGES OF MOISTURE FROM THE SOUTH. WE ARE ALREADY
EXPERIENCING ONE THIS MORNING. MANY LOCATIONS SOUTH OF OUR FORECAST
AREA HAVE HAD DEWPOINTS RAPIDLY INCREASE INTO THE 70S. DEWPOINTS IN
OUR AREA ALONG THE COLORADO RIVER HAVE INCREASED INTO THE 50S AND
60S. EXPECT MORE SURGES TO CONTINUE SATURDAY AND ESPECIALLY SUNDAY
AS THE TROPICAL SYSTEM GETS CLOSER.

THERE WILL NOT BE MUCH OF A FORCING MECHANISM TODAY OTHER THAN
DIURNAL HEATING. HOWEVER...COMBINE THIS WITH THE INCREASING LOW
LEVEL MOISTURE WE SEE THIS MORNING...AND WE COULD HAVE A FEW
ISOLATED SHOWERS OR STORMS ON A FEW RIDGETOPS IN EASTERN SAN
BERNARDINO AND SOUTHERN CLARK COUNTIES THIS AFTERNOON. HAVE ADDED A
SLIGHT CHANCE TO THESE AREAS. THE HIGHER TERRAIN OF MOHAVE COUNTY
AND PORTIONS OF LINCOLN CAN SEE SOME DEVELOPMENT AS WELL...WHICH WAS
IN THE PREVIOUS FORECAST. TEMPERATURES WILL TREND COOLER BUT AT THE
EXPENSE OF INCREASING HUMIDITY.

FOR THE WEEKEND...HAVE INCREASED POPS ACROSS EASTERN SAN
BERNARDINO...SOUTHERN CLARK...AND MOHAVE COUNTY FOR SATURDAY
AFTERNOON AND EVENING. HIGH RESOLUTION MODELS INDICATE ISOLATED TO
SCATTERED COVERAGE OF CONVECTION WITH THE HIGH TERRAIN AREAS HAVING
THE BEST CHANCE DURING DIURNAL HEATING. MODELS ARE POINTING TOWARD
ANOTHER SURGE AND PRECIPITATION LATE SATURDAY NIGHT...MAINLY ACROSS
OUR SOUTH. THIS IS FORECAST TO SHIFT NORTH THROUGH THE DAY
SUNDAY...WITH ALL GUIDANCE INDICATING AN INCREASE IN SHOWER AND
STORM COVERAGE BY SUNDAY AFTERNOON AND EVENING. HAVE EXTENDED POPS
FARTHER WEST AND INCREASED POPS TO NUMEROUS COVERAGE ACROSS PORTIONS
OF SOUTHERN CLARK...EASTERN SAN BERNARDINO...AND MOHAVE COUNTIES.
WITH THE MOISTURE ADVECTION TODAY THROUGH SUNDAY...SHOWERS AND
STORMS LATER IN THE DAY SATURDAY THROUGH AT LEAST SUNDAY WILL BE
CAPABLE OF PRODUCING VERY HEAVY RAIN...AND AT LEAST A LOCALIZED
FLASH FLOOD THREAT.

.LONG TERM...MONDAY AND TUESDAY...NORBERT WILL LIKELY BE A REMNANT
LOW OR HAVE COMPLETELY DISSIPATED BY MONDAY. MODELS CONTINUE TO SHOW
SIGNS OF AT LEAST A WEAK LEFT OVER CIRCULATION NEAR THE WESTERN
COAST OF NORTHERN BAJA MONDAY MORNING AND HAVE IT INTERACTING WITH A
TROUGH MOVING OFF THE PACIFIC INTO NORTH/CENTRAL CALIFORNIA.
INITIALLY ON MONDAY, TROPICAL MOISTURE CONTINUES TO GET PUMPED NORTH
INTO THE AREA BUT THEN ENCOUNTERS DRIER MID LEVEL AIR ASSOCIATED
WITH THE TROUGH AS IT MOVES INLAND AND BEGINS SWEEPING THE MOISTURE
EAST. MODEL MOISTURE PARAMETERS FORECAST DEEP TROPICAL MOISTURE OVER
MUCH OF THE SOUTHERN AND EASTERN FORECAST AREA MONDAY AND HEAVY RAIN
PRODUCING SHOWERS AND THUNDERSTORMS ARE A DISTINCT POSSIBILITY AND
FLASH FLOODING WILL AGAIN BE A CONCERN. AS THE TROUGH MOVES INLAND
LATE MONDAY, A SHARP MOISTURE GRADIENT SETS UP TUESDAY ESSENTIALLY
SEPARATING THE WESTERN AND EASTERN HALVES OF THE CWA. WHERE THE
BOUNDARY SETS UP COULD VERY WELL ACT AS A FOCUSING POINT FOR STORM
DEVELOPMENT, ESPECIALLY IF SUFFICIENT CLEARING OCCURS IN THE DRIER
AIR, INCREASING THE THERMAL GRADIENT ACROSS THE BOUNDARY. DUE TO THE
TROPICAL NATURE OF THE AIRMASS, THERE IS POTENTIAL FOR ABUNDANT
CLOUD COVER LIMITING THE CONTRIBUTION OF DAYTIME HEATING IN AIDING
THUNDERSTORM DEVELOPMENT TO SOME DEGREE. HOWEVER, THIS LIMITATION
SHOULD BE OVERCOME BY DYNAMIC SUPPORT IN THE FORM OF A STRONG JET
JUST NORTH OF THE AREA ASSOCIATED WITH THE PACIFIC TROUGH AND ANY
LEFT OVER CIRCULATION/ENERGY PROVIDED BY NORBERT'S REMNANTS.
OVERALL, IT SHOULD BE AN INTERESTING COUPLE OF DAYS AND IT IS
ENCOURAGED FOR EVERYONE TO STAY INFORMED AND UP TO DATE ON THE
LATEST FORECAST INFORMATION.

WEDNESDAY AND THURSDAY...BASED ON THE LATEST MODEL INFORMATION, BOTH
OF THESE DAYS SHOULD BE MAINLY DRY WITH SUNNY CONDITIONS RESULTING
IN WARMER TEMPERATURES. HOWEVER, ANY LINGERING MOISTURE COULD USE
THAT STRONGER DAYTIME HEATING TO FIRE OFF A STORM OR TWO PRIMARILY
IN THE AFTERNOON.
&&

.AVIATION...FOR MCCARRAN...SOUTH-SOUTHEAST WINDS WITH SPEEDS
AROUND 10 KTS WILL CONTINUE INTO EARLY AFTERNOON. WINDS
SHOULD SHIFT MORE SOUTH-SOUTHWESTERLY AFTER 03Z THIS EVENING. EXPECT
VFR CIGS AND VSBY THROUGH THE TAF PERIOD.

FOR THE REST OF SOUTHERN NEVADA...NORTHWEST ARIZONA...AND SOUTHEAST
CALIFORNIA...SLIGHT CHANCE OF A FEW SHOWERS AND THUNDERSTORMS THIS
AFTERNOON AND EVENING OVER MAINLY NORTHWEST ARIZONA AND THE HIGHER
TERRAIN OF EASTERN CALIFORNIA. WINDS SHOULD FOLLOW TYPICAL DIURNAL
TRENDS THROUGH THE TAF PERIOD. GUSTS OF 15-25 KTS ARE EXPECTED IN
THE AFTERNOON AND EVENING FROM THE SOUTH AND SOUTHWEST. EXPECT VFR
CIGS AND VSBY.
&&

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED THROUGH SATURDAY. SPOTTER
ACTIVATION MAY BE NEEDED FOR CLARK, MOHAVE AND SAN BERNARDINO
COUNTIES OF THE FORECAST AREA SUNDAY THROUGH TUESDAY.
&&

UPDATE...PIERCE
SHORT TERM/AVIATION...PADDOCK
LONG TERM...SALMEN

FOR MORE FORECAST INFORMATION...SEE US ON OUR WEBPAGE:

HTTP://WEATHER.GOV/LASVEGAS OR FOLLOW US ON FACEBOOK AND TWITTER

Nearby

Flash Flood Watches in Nevada, 2014Flash Flood Watches in California, 2014Flash Flood Watches in Arizona, 2014Every flash flood watch in 2014

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.