Alert archive / Arizona / Flash Flood Warnings in 2011
Flash Flood Warning 22, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Jul 5, 2011, 6:23 PM MST for Mohave County, Arizona. It was in force for 82 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 5, 2011, 6:23 PM MST (01:23 UTC)
- Expired
- Jul 5, 2011, 7:45 PM MST
- In force
- 82 min
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Flood severity
- None
County Mohave County, AZ
The radar
The Las Vegas radar (KESX), 75 km from the middle of the area, began a volume at 01:23 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 00:00Z, 1.4 hours before the alert went out and 146 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
- 2968 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -12 m²/s²
- 0-3 km storm-relative helicity
- 7 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
547
WGUS55 KVEF 060123
FFWVEF
AZC015-060245-
/O.NEW.KVEF.FF.W.0022.110706T0123Z-110706T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
623 PM MST TUE JUL 5 2011
THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CENTRAL MOHAVE COUNTY IN NORTHWEST ARIZONA...
* UNTIL 745 PM MST.
* AT 613 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
FLASH FLOODING FROM A THUNDERSTORM 11 MILES NORTHEAST OF PACKSADDLE
CAMPGROUND...OR 25 MILES NORTH OF KINGMAN. THE STORM PRODUCING
VERY HEAVY RAINFALL IS MOVING TO THE NORTH AROUND 20 MPH.
* LOCATIONS IMPACTED INCLUDE...DOLAN SPRINGS...MEADVIEW...GRAND
CANYON RANCH...PACKSADDLE CAMPGROUND...PIERCE FERRY AND ANTARES
ROADS AND WINDY POINT CAMPGROUND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON
AREA ROADWAYS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. TO ESCAPE
RISING WATER...MOVE TO HIGHER GROUND. NEVER TRY TO CROSS A FLOODED
ROADWAY OR WALK THROUGH FLOODWATERS. TURN AROUND...DONT DROWN!
REPORT FLOODING BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL
WEATHER SERVICE FACEBOOK PAGE OR TWITTER #NWSVEGAS.
&&
LAT...LON 3586 11445 3593 11427 3607 11397 3589 11370
3565 11354 3538 11413
$$
JENSEN2 follow-up statements
592
WGUS75 KVEF 060204
FFSVEF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
704 PM MST TUE JUL 5 2011
AZC015-060245-
/O.CON.KVEF.FF.W.0022.000000T0000Z-110706T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOHAVE AZ-
704 PM MST TUE JUL 5 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 PM MST FOR
CENTRAL MOHAVE COUNTY...
AT 651 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE THUNDERSTORMS WHICH WERE LOCATED 10 MILES SOUTH OF PIERCE
FERRY AND ANTARES ROADS...OR 31 MILES NORTH OF KINGMAN...MOVING
NORTH AT 20 MPH.
THESE THUNDERSTORMS WERE PRODUCING HEAVY RAINFALL WHICH CONTINUES TO
ADD TO THE RAIN WHICH HAS FALLEN EARLIER.
LOCATIONS IMPACTED INCLUDE...DOLAN SPRINGS...MEADVIEW...GRAND CANYON
RANCH...PACKSADDLE CAMPGROUND...PIERCE FERRY AND ANTARES ROADS AND
WINDY POINT CAMPGROUND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON
AREA ROADWAYS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. TO ESCAPE
RISING WATER...MOVE TO HIGHER GROUND. NEVER TRY TO CROSS A FLOODED
ROADWAY OR WALK THROUGH FLOODWATERS. TURN AROUND...DONT DROWN!
REPORT FLOODING BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL
WEATHER SERVICE FACEBOOK PAGE OR TWITTER #NWSVEGAS.
&&
LAT...LON 3586 11445 3593 11427 3607 11397 3589 11370
3565 11354 3538 11413
$$
JENSEN069
WGUS75 KVEF 060240
FFSVEF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
740 PM MST TUE JUL 5 2011
AZC015-060249-
/O.EXP.KVEF.FF.W.0022.000000T0000Z-110706T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOHAVE AZ-
740 PM MST TUE JUL 5 2011
...THE FLASH FLOOD WARNING WILL EXPIRE AT 745 PM MST FOR CENTRAL
MOHAVE COUNTY...
THUNDERSTORMS HAVE DECREASED ACROSS THE AREA...HOWEVER THE PREVIOUS
HEAVY RAINFALL WILL LIKELY BE FLOWING THROUGH THE NORMALLY DRY
WASHES AND ACROSS LOW WATER CROSSINGS INTO THE EVENING. TRAVELERS
AND OTHERS ENGAGED IN OUTDOOR ACTIVITY SHOULD BE ESPECIALLY CAUTIOUS
THIS EVENING AS WATER MAY STILL BE ENCOUNTERED. REMEMBER THAT WATER
IS ESPECIALLY HARD TO SEE AFTER DARK.
LAT...LON 3586 11445 3593 11427 3607 11397 3589 11370
3565 11354 3538 11413
$$
JENSENThe office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 6:18 PM MST | Flash Flood Warning | VEF | Mohave | 50 min |
| Jul 5, 11:19 PM MST | Areal Flood Advisory | VEF | Mohave | 76 min |
| Jul 5, 11:49 PM MST | Flash Flood Warning | VEF | Mohave | 116 min |
| Jul 6, 12:04 AM MST | Severe Thunderstorm Warning | VEF | Mohave | 41 min |
| Jul 6, 12:15 AM MST | Flash Flood Warning | VEF | Mohave | 2 hr |
| Jul 6, 4:40 AM MST | Flash Flood Watch | VEF | Mohave | 17 hr |
| Jul 6, 1:39 PM MST | Flash Flood Warning | VEF | Mohave | 39 min |
Nearby
Flash Flood Warnings in Arizona, 2011Every flash flood warning in 2011
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.