Alert archive / Nevada / Flash Flood Watches in 2014
Flash Flood Watch 8, NWS Las Vegas, NV
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.
- 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
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
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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.