Alert archive / California / Flash Flood Warnings in 2012
Flash Flood Warning 20, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Jul 14, 2012, 12:19 AM PDT for Inyo County, California. It was in force for 86 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 14, 2012, 12:19 AM PDT (07:19 UTC)
- Expired
- Jul 14, 2012, 1:45 AM PDT
- In force
- 86 min
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Flood severity
- None
County Inyo County, CA
The radar
The Las Vegas radar (KESX), 117 km from the middle of the area, began a volume at 07:22 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, 7.3 hours before the alert went out and 66 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
- 90 J/kg
- Mixed-layer CIN
- -76 J/kg
- Mixed-layer LCL
- 1887 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 104 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
340 WGUS55 KVEF 140719 FFWVEF CAC027-140845- /O.NEW.KVEF.FF.W.0020.120714T0719Z-120714T0845Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 1219 AM PDT SAT JUL 14 2012 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHEASTERN INYO COUNTY IN EASTERN CALIFORNIA... * UNTIL 145 AM PDT. * AT 1209 AM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM A THUNDERSTORM OVER EXTREME SOUTHEASTERN INYO COUNTY...OR 10 MILES NORTHEAST OF SHOSHONE. THE STORM PRODUCING VERY HEAVY RAIN WAS NEARLY STATIONARY. * LOCATIONS IMPACTED INCLUDE... PORTIONS OF STATE ROUTE 178 EAST OF SHOSHONE AND THE OLD SPANISH TRAIL ROAD. 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 3618 11614 3605 11597 3583 11614 3590 11625 $$ JENSEN
2 follow-up statements
457 WGUS75 KVEF 140802 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 102 AM PDT SAT JUL 14 2012 CAC027-140845- /O.CON.KVEF.FF.W.0020.000000T0000Z-120714T0845Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ INYO CA- 102 AM PDT SAT JUL 14 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 AM PDT FOR SOUTHEASTERN INYO COUNTY... AT 1253 AM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR IS SHOWING THAT THUNDERSTORMS ARE SLOWLY MOVING OUT OF THE AREA AND OR DISSIPATING. HOWEVER...MODERATE TO LOCALLY HEAVY RAINFALL IS STILL BEING INDICATED. THIS ADDITIONAL RAINFALL WILL CONTINUE TO ADD TO THE RUNOFF WHICH IS LIKELY OCCURRING IN THE REGION. IF TRAVELING IN THE AREA...USE EXTREME CAUTION AS FLOWING OR PONDED WATER IS MUCH MORE DIFFICULT TO SEE AT NIGHT. LOCATIONS IMPACTED INCLUDE... PORTIONS OF STATE ROUTE 178 EAST OF SHOSHONE AND THE OLD SPANISH TRAIL ROAD. PRECAUTIONARY/PREPAREDNESS ACTIONS... FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON AREA ROADWAYS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. TO ESCAPE RISING WATER...MOVE TO HIGHER GROUND. NEVER TRY TO CROSS A FLOODED ROADWAY OR WALK THROUGH FLOODWATERS. TURN AROUND...DONT DROWN! REPORT FLOODING BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL WEATHER SERVICE FACEBOOK PAGE...OR BY USING THE TWITTER HASHTAG... NWSVEGAS. && LAT...LON 3618 11614 3605 11597 3583 11614 3590 11625 $$ JENSEN
018 WGUS75 KVEF 140839 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 139 AM PDT SAT JUL 14 2012 CAC027-140846- /O.EXP.KVEF.FF.W.0020.000000T0000Z-120714T0845Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ INYO CA- 139 AM PDT SAT JUL 14 2012 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 145 AM PDT FOR SOUTHEASTERN INYO COUNTY... THUNDERSTORMS HAVE MOVED OUT OF THE WARNED AREA WITH LOCALLY HEAVY RAINFALL NO LONGER EXPECTED THIS MORNING. HOWEVER TRAVELERS THROUGH THE SOUTHEAST CORNER OF INYO COUNTY...ESPECIALLY ON STATE ROUTE 178 AND THE OLD SPANISH TRAIL ROAD SHOULD BE AWARE THAT FLOWING WATER MAY BE ENCOUNTERED IN NORMALLY DRY WASHES OR LOW WATER CROSSING WHILE PONDED WATER MAY BE SEEN IN LOW LYING AREAS. USE EXTREME CAUTION THROUGH THE MORNING HOURS AS IT MAY TAKE SEVERAL HOURS FOR THE WATER TO CLEAR THE AREA. LAT...LON 3618 11614 3605 11597 3583 11614 3590 11625 $$ JENSEN
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 5:35 PM PDT | Flash Flood Warning | VEF | San Bernardino | 115 min |
| Jul 13, 5:55 PM PDT | Flash Flood Warning | VEF | Inyo | 2 hr |
| Jul 13, 6:00 PM PDT | Flash Flood Warning | VEF | San Bernardino | 2 hr |
| Jul 13, 7:20 PM PDT | Flash Flood Warning | VEF | San Bernardino | 115 min |
| Jul 13, 8:00 PM PDT | Flash Flood Warning | VEF | San Bernardino | 61 min |
| Jul 13, 8:50 PM PDT | Flash Flood Warning | VEF | San Bernardino | 115 min |
| Jul 13, 9:39 PM PDT | Flash Flood Warning | VEF | San Bernardino | 81 min |
| Jul 13, 11:46 PM PDT | Flash Flood Warning | VEF | San Bernardino | 97 min |
| Jul 14, 1:09 PM PDT | Areal Flood Advisory | VEF | San Bernardino | 35 min |
| Jul 14, 1:19 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 min |
| Jul 14, 1:34 PM PDT | Areal Flood Advisory | VEF | San Bernardino | 3 hr |
| Jul 14, 1:36 PM PDT | Flash Flood Warning | VEF | San Bernardino | 114 min |
| Jul 14, 1:42 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 21 min |
| Jul 14, 4:22 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 38 min |
| Jul 14, 4:29 PM PDT | Areal Flood Advisory | VEF | San Bernardino | 2 hr |
| Jul 14, 4:33 PM PDT | Flash Flood Warning | VEF | San Bernardino | 117 min |
| Jul 14, 4:38 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
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.