Alert archive / California / Flash Flood Warnings in 2012
Flash Flood Warning 40, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Jul 15, 2012, 11:59 AM PDT for Inyo County, California. It was in force for 2 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 15, 2012, 11:59 AM PDT (18:59 UTC)
- Expired
- Jul 15, 2012, 2:00 PM PDT
- In force
- 2 hr
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Flood severity
- None
County Inyo County, CA
The radar
The Las Vegas radar (KESX), 98 km from the middle of the area, began a volume at 19:01 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, 7.0 hours before the alert went out and 60 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
- 335 J/kg
- Mixed-layer CIN
- -212 J/kg
- Mixed-layer LCL
- 1353 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 8 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
565
WGUS55 KVEF 151859
FFWVEF
CAC027-152100-
/O.NEW.KVEF.FF.W.0040.120715T1859Z-120715T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
1159 AM PDT SUN JUL 15 2012
THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EXTREME SOUTHEASTERN INYO COUNTY IN EASTERN CALIFORNIA...
* UNTIL 200 PM PDT.
* AT 1155 AM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN FROM A THUNDERSTORM OVER EXTREME SOUTHEASTERN INYO
COUNTY...OR 20 MILES EAST OF SHOSHONE NEAR OLD SPANISH TRAIL. THE
STORM PRODUCING VERY HEAVY RAIN WAS NEARLY STATIONARY.
* LOCATIONS IMPACTED INCLUDE...
OLD SPANISH TRAIL BETWEEN THE CALIFORNIA NEVADA STATE LINE AND
TECOPA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FLASH FLOODING IS EXPECTED ON AREA ROADWAYS...AROUND UNDERPASSES...
AND IN NORMALLY DRY WASHES AND LOW LYING AREAS. FLASH FLOODING IS
NATURES NUMBER ONE KILLER. 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 3601 11602 3602 11593 3594 11582 3583 11583
3584 11602
$$
STACHELSKI2 follow-up statements
120
WGUS75 KVEF 152008
FFSVEF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
108 PM PDT SUN JUL 15 2012
CAC027-152100-
/O.CON.KVEF.FF.W.0040.000000T0000Z-120715T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
INYO CA-
108 PM PDT SUN JUL 15 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 200 PM PDT FOR
EXTREME SOUTHEASTERN INYO COUNTY...
AT 1258 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE THUNDERSTORMS PRODUCING VERY HEAVY RAIN. THIS STORM WAS
LOCATED OVER EXTREME SOUTHEASTERN INYO COUNTY...OR 20 MILES SOUTH OF
PAHRUMP. THE THUNDERSTORMS WITH EXCESSIVE RAIN WAS NEARLY STATIONARY
AND WAS LOCATED NEAR OLD SPANISH TRAIL JUST WEST OF THE CALIFORNIA
NEVADA STATE LINE.
LOCATIONS IMPACTED INCLUDE...
OLD SPANISH TRAIL HIGHWAY FROM THE CALIFORNIA NEVADA STATE LINE TO
TECOPA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON
AREA ROADWAYS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. TO ESCAPE
RISING WATER...MOVE TO HIGHER GROUND. NEVER TRY TO CROSS A FLOODED
ROADWAY OR WALK THROUGH FLOODWATERS. TURN AROUND...DONT DROWN!
REPORT FLOODING BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL
WEATHER SERVICE FACEBOOK PAGE...OR BY USING THE TWITTER HASHTAG...
NWSVEGAS.
&&
LAT...LON 3601 11602 3602 11593 3594 11582 3583 11583
3584 11602
$$
STACHELSKI907
WGUS75 KVEF 152055
FFSVEF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
155 PM PDT SUN JUL 15 2012
CAC027-152103-
/O.EXP.KVEF.FF.W.0040.000000T0000Z-120715T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
INYO CA-
155 PM PDT SUN JUL 15 2012
...THE FLASH FLOOD WARNING WILL EXPIRE AT 200 PM PDT FOR EXTREME
SOUTHEASTERN INYO COUNTY...
THERE HAS BEEN NO SIGNIFICANT RAINFALL IN THE AREA SINCE ABOUT 120
PM AND THERE HAVE BEEN NO REPORTS OF FLOODING.
LAT...LON 3601 11602 3602 11593 3594 11582 3583 11583
3584 11602
$$
JHThe office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 7:25 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 14, 8:50 PM PDT | Areal Flood Advisory | VEF | San Bernardino | 27 min |
| Jul 14, 9:16 PM PDT | Flash Flood Warning | VEF | San Bernardino | 119 min |
| Jul 14, 11:35 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 40 min |
| Jul 15, 12:29 AM PDT | Flash Flood Warning | VEF | San Bernardino | 2 hr |
| Jul 15, 10:14 AM PDT | Flash Flood Watch | VEF | San Bernardino | 11 hr |
| Jul 15, 11:52 AM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 15, 2:20 PM PDT | Areal Flood Advisory | VEF | San Bernardino | 115 min |
| Jul 15, 3:07 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 38 min |
| Jul 15, 4:52 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 38 min |
Nearby
Flash Flood Warnings in California, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.