Alert archive / Arizona / Flash Flood Warnings in 2012
Flash Flood Warning 3, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Jul 13, 2012, 2:24 PM MST for Mohave County, Arizona. It was in force for 111 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 13, 2012, 2:24 PM MST (21:24 UTC)
- Expired
- Jul 13, 2012, 4:15 PM MST
- In force
- 111 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), 121 km from the middle of the area, began a volume at 21:24 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 13, 2:55 PM MST | FLASH FLOOD | 4 Nnw Hualapai Mountain, AZ | DRIVEWAY DAMAGED. ROCKS AND MUD WASHED ACROSS DRIVEWAY AND ROAD. |
| Jul 13, 2:55 PM MST | HEAVY RAIN 1.25 | 4 Ene Hualapai Mountain, AZ | LOTS OF RUNOFF WHICH FILLED HIS LAKE TO SIX FEET DEEP. THE LAKE WAS EMPTY BEFORE THE STORM. RAINFALL MEASURED AT 1.25 INCHES WITH THE THUNDERSTORM. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Flgstf/Belemont, AZ (KFGZ), launched 12:00Z, 9.4 hours before the alert went out and 185 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
- 197 J/kg
- Mixed-layer CIN
- -82 J/kg
- Mixed-layer LCL
- 1428 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 32 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.
423
WGUS55 KVEF 132124
FFWVEF
AZC015-132315-
/O.NEW.KVEF.FF.W.0003.120713T2124Z-120713T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
224 PM MST FRI JUL 13 2012
THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CENTRAL MOHAVE COUNTY IN NORTHWEST ARIZONA...
* UNTIL 415 PM MST.
* AT 210 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN FROM THUNDERSTORMS NEAR INTERSTATE 40 AND HUALAPAI
MOUNTAIN OR ABOUT 15 MILES SOUTHEAST OF KINGMAN. THE STORMS PRODUCING
VERY HEAVY RAIN WERE MOVING VERY SLOWLY TO THE NORTH.
* LOCATIONS IMPACTED INCLUDE...
WILD COW CAMPGROUND...HUALAPAI MOUNTAIN PARK AND BLAKE RANCH RV
PARK.
THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 58 AND 76.
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 BY USING THE TWITTER HASHTAG...
NWSVEGAS.
&&
LAT...LON 3527 11394 3525 11362 3477 11360 3479 11385
3494 11397
$$
JH2 follow-up statements
475
WGUS75 KVEF 132210
FFSVEF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
310 PM MST FRI JUL 13 2012
AZC015-132315-
/O.CON.KVEF.FF.W.0003.000000T0000Z-120713T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOHAVE AZ-
310 PM MST FRI JUL 13 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 415 PM MST FOR
CENTRAL MOHAVE COUNTY...
AT 303 PM MST...TRAINED WEATHER SPOTTERS REPORTED HEAVY RAIN
PRODUCING FLASH FLOODING. THE STORMS WHICH PRODUCED HEAVY RAIN WERE
WEAKENING BUT WERE STILL LOCATED ON EITHER SIDE OF INTERSTATE 40
BETWEEN MILE MARKERS 58 AND 76. ALTHOUGH RAINFALL WAS DECREASING
ADDITIONAL RUNOFF IS STILL EXPECTED.
LOCATIONS IMPACTED INCLUDE...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON
AREA ROADWAYS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. TO ESCAPE
RISING WATER...MOVE TO HIGHER GROUND. NEVER TRY TO CROSS A FLOODED
ROADWAY OR WALK THROUGH FLOODWATERS. TURN AROUND...DONT DROWN!
REPORT FLOODING BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL
WEATHER SERVICE FACEBOOK PAGE...OR BY USING THE TWITTER HASHTAG...
NWSVEGAS.
&&
LAT...LON 3527 11394 3525 11362 3477 11360 3479 11385
3494 11397
$$
HARRISON517
WGUS75 KVEF 132308
FFSVEF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
408 PM MST FRI JUL 13 2012
AZC015-132316-
/O.EXP.KVEF.FF.W.0003.000000T0000Z-120713T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOHAVE AZ-
408 PM MST FRI JUL 13 2012
...THE FLASH FLOOD WARNING WILL EXPIRE AT 415 PM MST FOR CENTRAL
MOHAVE COUNTY...
RAINFALL MOVED OUT OF THE WARNING AREA AND THERE HAVE BEEN NO
ADDITIONAL REPORTS OF FLOODING. A FLASH FLOOD WATCH REMAINS IN
EFFECT THROUGH SATURDAY EVENING SO MORE THUNDERSTORMS COULD FORM IN
THE AREA. THE IMMEDIATE THREAT OF FLASH FLOODING HAS ENDED.
LAT...LON 3527 11394 3525 11362 3477 11360 3479 11385
3494 11397
$$
JHThe office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 7:03 AM MST | Areal Flood Advisory | VEF | Mohave | 117 min |
| Jul 13, 11:12 AM MST | Areal Flood Advisory | VEF | Mohave | 2 hr |
| Jul 13, 4:25 PM MST | Flash Flood Warning | VEF | Mohave | 89 min |
Nearby
Flash Flood Warnings in Arizona, 2012Every flash flood warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.