Alert archive / California / Flash Flood Warnings in 2007

Flash Flood Warning 45, NWS Las Vegas, NV

September 1, 2007San Bernardino County, California

NWS Las Vegas, NV issued this flash flood warning at Sep 1, 2007, 2:11 PM PDT for San Bernardino County, California. It was in force for 3 hr. 4 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Sep 1, 2007, 2:11 PM PDT (21:11 UTC)
Expired: Sep 1, 2007, 5:15 PM PDT
In force: 3 hr
Issued by: NWS Las Vegas, NV
Area: Whole counties

County San Bernardino County, CA

What was reported inside it

Time	Report	Where	Remark
Sep 1, 2:20 PM PDT	FLASH FLOOD	Wrightwood, CA	FLASH FLOOD IN PROGRESS AT LONE PINE AND SHEEP CREEK WASH
Sep 1, 3:05 PM PDT	FLASH FLOOD	Yucca Valley, CA	AT LEAST ONE AND THREE TENTHS OF RAINFALL FROM 145 PM THROUGH 305 PM. NORTH-SOUTH STREETS WITH ONE TO ONE AND A HALF FEET OF FLOOD WATER RUNNING DOWN THEM.
Sep 1, 3:45 PM PDT	FLASH FLOOD	Yucca Valley, CA	STORM TOTAL OF 1.94 INCHES IN THE PAST THREE HOURS. WIDESPREAD FLOODING IN THE AREA.
Sep 1, 4:00 PM PDT	FLASH FLOOD	Yucca Valley, CA	FLOOD WATER AND FILLED WITH DEBRIS CROSSING STATE ROUTE 62 IN SEVERAL PLACES.

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

The text

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

000 
WGUS55 KVEF 012114
FFWVEF
CAC071-020015-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
211 PM PDT SAT SEP 1 2007

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A

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

* UNTIL 515 PM PDT.

* AT 209 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR 
THUNDERSTORMS CAPABLE OF PRODUCING FLASH FLOODING OVER JOSHUA 
TREE...MORONGO VALLEY...YUCCA VALLEY...PIONEERTOWN...AND PORTIONS OF 
ROUTE 62. THESE STORMS ARE NEARLY STATIONARY. TRAINED WEATHER 
SPOTTERS HAVE REPORTED WASHES BEGINNING TO FILL UP AND MINOR 
FLOODING OF ROADWAYS. 

* LOCATIONS IMPACTED INCLUDE...JOSHUA TREE...MORONGO VALLEY...YUCCA 
VALLEY...PIONEERTOWN...AND PORTIONS OF ROUTE 62.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF WASHES...
DRAINAGE AREAS...HIGHWAYS...STREETS AND LOW WATER CROSSINGS. WHEN YOU
APPROACH FLOOD WATERS...TURN AROUND...DONT DROWN.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. 
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. DO 
NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN 
DEPTH BY FOOT OR BY AUTOMOBILE. TURN AROUND...DONT DROWN.

LAT...LON 3409 11643 3415 11625 3426 11627 3425 11642
      3415 11645 3410 11660 3404 11660 3404 11648

$$
KENNEDY

2 follow-up statements

000
WGUS75 KVEF 012203
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
300 PM PDT SAT SEP 1 2007

CAC071-020015-
SAN BERNARDINO CA-
300 PM PDT SAT SEP 1 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 PM PDT FOR SOUTH
CENTRAL SAN BERNARDINO COUNTY...

AT 300 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
SHOW THUNDERSTORMS CAPABLE OF PRODUCING FLASH FLOODING OVER JOSHUA 
TREE...MORONGO VALLEY...YUCCA VALLEY...PIONEERTOWN...AND PORTIONS OF 
ROUTE 62. SKYWARN REPORTED PIPES CANYON WASH FLOODING ACROSS ROUTE 
247...EXPECTED TO BECOME IMPASSABLE. ADDITIONAL STORMS MOVING IN 
FROM THE WEST WILL RESULT IN CONTINUED FLOODING OF WASHES... 
ROADS...AND UNDERPASSES.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

LAT...LON 3408 11644 3408 11628 3415 11625 3426 11625
      3426 11644 3420 11644 3414 11647 3410 11660
      3404 11661 3404 11648

$$

KENNEDY

000
WGUS75 KVEF 012312
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
410 PM PDT SAT SEP 1 2007

CAC071-020015-
SAN BERNARDINO CA-
410 PM PDT SAT SEP 1 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 PM PDT FOR SOUTH
CENTRAL SAN BERNARDINO COUNTY...

AT 410 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
SHOW THUNDERSTORMS CAPABLE OF PRODUCING FLASH FLOODING NEAR JOSHUA 
TREE...MORONGO VALLEY...YUCCA VALLEY...PIONEERTOWN...AND PORTIONS OF 
ROUTE 62. RURAL AREAS IN THE COUNTY SOUTH OF INTERSTATE 40 AND WEST 
OF 29 PALMS HAVE ALSO BEEN INCLUDED IN THE WARNING WITH MULTIPLE 
THUNDERSTORMS PRODUCING HEAVY RAIN MOVING OVER THE AREA. CAMPERS AND 
HIKERS IN THE WARNED RURAL AREAS SHOULD TAKE IMMEDIATELY ACTION TO 
ENSURE THEIR SAFETY. 

TRAINED SPOTTERS HAVE REPORTED CONTINUED FLOODING...WITH AT LEAST 
1 FOOT OF WATER RUNNING DOWN NORTH SOUTH STREETS IN YUCCA 
VALLEY...AND PRECIPITATION TOTALS AROUND 2 INCHES.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY 
AUTOMOBILE.

LAT...LON 3408 11644 3409 11628 3426 11625 3441 11612
      3456 11606 3472 11628 3470 11647 3449 11640
      3436 11639 3433 11645 3420 11644 3414 11647
      3410 11660 3404 11661 3404 11648

$$

KENNEDY

The office that day

Everything else NWS Las Vegas, NV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 1, 3:27 AM PDT	Excessive Heat Warning	VEF	Inyo, San Bernardino	16 hr

Nearby

Flash Flood Warnings in California, 2007 Every flash flood warning in 2007

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.