Alert archive / California / Flash Flood Warnings in 2006

Flash Flood Warning 13, NWS Las Vegas, NV

July 7, 2006San Bernardino County, California

NWS Las Vegas, NV issued this flash flood warning at Jul 7, 2006, 3:59 PM PDT for San Bernardino County, California. It was in force for 2 hr. 1 report 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 7, 2006, 3:59 PM PDT (22:59 UTC)
Expired
Jul 7, 2006, 6:00 PM PDT
In force
2 hr
Issued by
NWS Las Vegas, NV
Area
Counties, with a storm outline in the text

County San Bernardino County, CA

What was reported inside it

TimeReportWhereRemark
Jul 7, 4:06 PM PDTFLASH FLOOD6 Ne Daggett, CACALIFORNIA HIGHWAY PATROL REPORTED 14 INCHES OF WATER OVER GHOSTTOWN ROAD AT YERMO.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Edwards AFB, CA (KEDW), launched 12:00Z, 11.0 hours before the alert went out and 84 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.

Skew-T log-pSkew-T log-p diagram, Edwards AFB, CA at 12:00Z on 2006-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Edwards AFB, CA at 12:00Z on 2006-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3259 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
-18 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS55 KVEF 072301
FFWVEF
CAC071-080100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
359 PM PDT FRI JUL 7 2006

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL SAN BERNARDINO COUNTY IN SOUTHEAST CALIFORNIA...

* UNTIL 600 PM PDT.

* AT 352 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA.

* LOCATIONS IMPACTED INCLUDE...INTERSTATE 15 EAST OF BARSTOW BETWEEN 
  MILE MARKERS 78 AND 90...FORT IRWIN ROAD...AND YERMO.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROADWAY.
THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY.
TURN AROUND...DONT DROWN.

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. SEVERAL INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE. TURN
AROUND...DONT DROWN.

LAT...LON 3496 11700 3478 11693 3488 11666 3505 11680

$$
2 follow-up statements
000
WGUS75 KVEF 080007
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
504 PM PDT FRI JUL 7 2006

CAC071-080100-
SAN BERNARDINO CA-
504 PM PDT FRI JUL 7 2006

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 600 PM PDT FOR
CENTRAL SAN BERNARDINO COUNTY...

RAINFALL HAS DIMINISHED SOMEWHAT BUT THUNDERSTORMS WERE PERSISTING 
IN THE AREA AS OF 500 PM. CHP REPORTED 14 INCHES OF WATER FLOWING 
OVER GHOST TOWN ROAD NEAR YERMO. RUNOFF FROM HEAVY RAIN MAY CONTINUE 
THROUGH 600 PM AND THE POSSIBILITY OF ADDITIONAL HEAVY RAIN STILL 
EXISTS. 

THE GENERAL AREA AROUND BARSTOW AND DAGGETT IS INCLUDED IN THIS 
WARNING. 

LAT...LON 3496 11700 3478 11693 3488 11666 3505 11680

$$
000
WGUS75 KVEF 080105
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
604 PM PDT FRI JUL 7 2006

CAC071-080115-
SAN BERNARDINO CA-
604 PM PDT FRI JUL 7 2006

...THE FLASH FLOOD WARNING FOR CENTRAL SAN BERNARDINO COUNTY HAS 
EXPIRED... 

RAINFALL HAS DIMINISHED SIGNIFICANTLY OR ENDED IN THE WARNING AREA. 
NO ADDITIONAL REPORTS OF FLOODING HAVE BEEN RECEIVED. THEREFORE THE 
FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE. 

LAT...LON 3496 11700 3478 11693 3488 11666 3505 11680

$$

Nearby

Flash Flood Warnings in California, 2006Every flash flood warning in 2006

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.