Alert archive / Arizona / Flash Flood Warnings in 2011
Flash Flood Warning 65, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Jul 30, 2011, 2:28 PM MST for Mohave County, Arizona. It was in force for 3 hr. 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 30, 2011, 2:28 PM MST (21:28 UTC)
- Expired
- Jul 30, 2011, 5:30 PM MST
- In force
- 3 hr
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Flood severity
- None
County Mohave County, AZ
The radar
The Las Vegas radar (KESX), 158 km from the middle of the area, began a volume at 21:31 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
Flgstf/Belemont, AZ (KFGZ), launched 12:00Z, 9.5 hours before the alert went out and 169 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
- 21 J/kg
- Mixed-layer CIN
- -135 J/kg
- Mixed-layer LCL
- 1803 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- -14 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.
221
WGUS55 KVEF 302128
FFWVEF
AZC015-310030-
/O.NEW.KVEF.FF.W.0065.110730T2128Z-110731T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
228 PM MST SAT JUL 30 2011
THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHEASTERN MOHAVE COUNTY IN NORTHWEST ARIZONA...
* UNTIL 530 PM MST.
* AT 222 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN FROM THUNDERSTORMS ALONG A LINE EXTENDING FROM 32
MILES NORTHWEST OF MT. TRUMBULL TO 10 MILES SOUTH OF DIAMOND CREEK
CAMPGROUND...OR ALONG A LINE EXTENDING FROM 27 MILES EAST OF
MESQUITE TO 47 MILES NORTHEAST OF KINGMAN. THE STORMS PRODUCING
VERY HEAVY RAIN WERE SLOWLY MOVING TO THE NORTH.
* LOCATIONS IMPACTED INCLUDE...MT. TRUMBULL...TUWEEP...BAR TEN
RANCH...DIAMOND CREEK CAMPGROUND AND TOROWEAP 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 3625 11290 3623 11302 3616 11313 3615 11319
3608 11323 3610 11329 3605 11334 3589 11329
3555 11333 3553 11353 3651 11399 3688 11368
3691 11307 3644 11284
$$
JENSEN2 follow-up statements
276
WGUS75 KVEF 302249
FFSVEF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
349 PM MST SAT JUL 30 2011
AZC015-310030-
/O.CON.KVEF.FF.W.0065.000000T0000Z-110731T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOHAVE AZ-
349 PM MST SAT JUL 30 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 PM MST FOR
NORTHEASTERN MOHAVE COUNTY...
AT 338 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE THUNDERSTORMS PRODUCING VERY HEAVY RAIN. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 27 MILES WEST OF BAR TEN RANCH TO
15 MILES SOUTH OF DIAMOND CREEK CAMPGROUND...OR ALONG A LINE
EXTENDING FROM 45 MILES SOUTHEAST OF MESQUITE TO 41 MILES NORTHEAST
OF KINGMAN. THE THUNDERSTORMS WITH EXCESSIVE RAIN WERE SLOWLY MOVING
TO THE NORTHWEST.
LOCATIONS IMPACTED INCLUDE...MT. TRUMBULL...TUWEEP...BAR TEN RANCH...
DIAMOND CREEK CAMPGROUND AND TOROWEAP CAMPGROUND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON
AREA ROADWAYS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. TO ESCAPE
RISING WATER...MOVE TO HIGHER GROUND. NEVER TRY TO CROSS A FLOODED
ROADWAY OR WALK THROUGH FLOODWATERS. TURN AROUND...DONT DROWN!
CAMPERS AND HIKERS SHOULD BE ALERT TO THE POSSIBILITY OF RAPIDLY
RISING WATER AND BE PREPARED TO MOVE QUICKLY TO HIGHER GROUND IF
FLASH FLOODING IS OBSERVED.
REPORT FLOODING BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL
WEATHER SERVICE FACEBOOK PAGE OR TWITTER #NWSVEGAS.
&&
LAT...LON 3625 11290 3623 11302 3616 11313 3615 11319
3608 11323 3610 11329 3605 11334 3589 11329
3555 11333 3553 11353 3651 11399 3688 11368
3691 11307 3644 11284
$$
JENSEN587
WGUS75 KVEF 310028
FFSVEF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
528 PM MST SAT JUL 30 2011
AZC015-310033-
/O.EXP.KVEF.FF.W.0065.000000T0000Z-110731T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOHAVE AZ-
528 PM MST SAT JUL 30 2011
...THE FLASH FLOOD WARNING WILL EXPIRE AT 530 PM MST FOR NORTHEASTERN
MOHAVE COUNTY...
SHOWERS AND ISOLATED THUNDERSTORMS WILL CONTINUE OVER NORTHERN
MOHAVE COUNTY INTO THE EVENING. HOWEVER HEAVY RAINFALL PRODUCING
FLASH FLOODING IS NOT EXPECTED AT THIS TIME.
OUTDOOR ENTHUSIASTS SHOULD CONTINUE TO EXERCISE EXTREME CAUTION
THROUGH THE EVENING HOURS HOWEVER AS FLOWING WATER IS LIKELY IN THE
NORMALLY DRY WASHES AND ACROSS LOW WATER CROSSINGS ON THE AREA
ROADS. THOSE TRAVELING AROUND...MT. TRUMBULL...TUWEEP...BAR TEN
RANCH...DIAMOND CREEK CAMPGROUND AND TOROWEAP CAMPGROUND SHOULD BE
ESPECIALLY CAUTIOUS AND REMEMBER THAT WATER IS HARD TO SEE AT NIGHT.
LAT...LON 3625 11290 3623 11302 3616 11313 3615 11319
3608 11323 3610 11329 3605 11334 3589 11329
3555 11333 3553 11353 3651 11399 3688 11368
3691 11307 3644 11284
$$
JENSENNearby
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.