San Francisco Weather

Severe Weather

Current Watches and Warnings

More Maps

Hawaii, Kona

Flash Flood Watch

Statement as of 4:54 AM HST on July 23, 2016


... Flash Flood Watch remains in effect through Sunday afternoon...

The Flash Flood Watch continues for

* Kahoolawe... Lanai... Maui... Molokai and The Big Island.

* Through Sunday afternoon

* the center of Tropical Storm Darby is forecast to move over...
or very close to... The Big Island today... and the islands of
Maui County late tonight into Sunday morning. Excessive
rainfall is expected to become widespread on The Big Island
today... and over Maui County this afternoon into tonight.

* In addition to flood prone areas... heavy rain events of this
size may cause flooding in areas outside designated flood
zones. Storm total rainfall amounts are forecast to be between
10 and 15 inches... with locally higher amounts possible. Low
spots in roads can become dangerous and impassable due to
severe runoff. High amounts of debris in streams and gulches
may clog bridges and culverts resulting in dangerous flooding
which could occur outside the normal channels... and could also
lead to significant property damage.

Precautionary/preparedness actions...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is very dangerous.

You should monitor later forecasts and get prepared for flash
flooding this weekend. Never drive into areas where water covers
the Road. Turn around... Don/T drown.



Jacobson



Tropical Storm Warning

Statement as of 12:03 AM HST on July 23, 2016

Expires 2:15 PM EDT on July 23, 2016


... Tropical Storm Warning remains in effect...

... Precautionary/preparedness actions...
precautionary/preparedness actions...

Secure outdoor objects which can be blown around and cause
additional damage. Tropical storms can bring very heavy rain
leading to flash flooding. People near streams... rivers... and low-
lying flood prone areas are urged to be especially alert to flash
flooding.


... Winds...
based on the latest forecast track... tropical storm force winds
over 39 mph are expected to begin overspreading the area early
this morning. In some areas... winds will be as high as 40 to 50
mph with gusts to 65 mph. Even higher gusts will be possible over
mountainous terrain... through passes... and where winds blow
downslope.

Some loose outdoor items will be tossed around. Many power lines
may be knocked down... possibly resulting in extended power
outages in some areas. Many weaker trees such as albizia will be
snapped or uprooted. Some large branches of healthy trees will be
snapped. Most newly planted trees and shrubs will be damaged or
uprooted.

Poorly constructed homes may sustain minor wall damage and
partial roof removal. Other homes may have minor roof and siding
damage.

... Inland flooding...
rain will start to overspread the windward side of The Big Island
early this morning... becoming heavy at times with heavier squalls
and embedded thunderstorms. Heavy rain at times will then continue
today and tonight. Storm total rainfall amounts of 10 to 15
inches could lead to significant flash flooding. Refer to the
Flash Flood Watch for more details.

... Storm surge and storm tide...
on east facing shores... surf of 15 to 25 feet is expected to continue.
This may cause significant wave runup and damage on some windward
coastal roads. Refer to the high surf warning for more details.

... Probability of tropical storm/hurricane conditions...
the chance for damaging tropical storm conditions at Hilo is 88
percent... 81 percent at Bradshaw Field... 51 percent at South
Point... and 67 percent at Kailua-Kona.




Weather Severe Map
Alabama - Heat Advisory
Alaska - Areal Flood Advisory , Special Statement , Record Report
Arizona - Excessive Heat Warning , Record Report
Arkansas - Heat Advisory , Record Report , Public Information Statement
California - Wind Advisory , Excessive Heat Warning, Wind Advisory , Heat Advisory , Excessive Heat Warning , Fire Weather Warning , Record Report
Colorado - Record Report , Public Information Statement
Connecticut - Public Information Statement
Delaware - Heat Advisory, Excessive Heat Watch , Excessive Heat Warning , Air Quality Alert
District of Columbia - Heat Advisory , Public Information Statement
Hawaii - Tropical Storm Watch , Tropical Storm Warning , Flash Flood Watch , Flash Flood Watch, High Surf Warning , Flash Flood Watch, High Surf Advisory , High Surf Advisory
Illinois - Heat Advisory , Excessive Heat Warning , Air Quality Alert
Indiana - Heat Advisory , Air Quality Alert
Iowa - Excessive Heat Warning , Record Report
Kansas - Heat Advisory , Excessive Heat Warning , Record Report , Public Information Statement
Kentucky - Heat Advisory , Excessive Heat Warning
Louisiana - Heat Advisory , Record Report , Public Information Statement
Maryland - Heat Advisory , Heat Advisory, Excessive Heat Watch , Air Quality Alert , Public Information Statement
Massachusetts - Public Information Statement
Michigan - Heat Advisory , Air Quality Alert , Record Report , Public Information Statement
Minnesota - Severe Thunderstorm Warning , Severe Thunderstorm Warning , Flash Flood Watch , Special Statement , Record Report
Mississippi - Flash Flood Warning , Heat Advisory , Special Statement , Public Information Statement
Missouri - Excessive Heat Warning , Heat Advisory
Montana - Lake Wind Advisory , Fire Weather Warning , Record Report
Nebraska - Heat Advisory , Excessive Heat Warning , Public Information Statement
Nevada - Record Report
New Jersey - Excessive Heat Watch , Heat Advisory, Excessive Heat Watch , Excessive Heat Warning , Heat Advisory , Air Quality Alert
New York - Heat Advisory
North Carolina - Areal Flood Advisory , Air Quality Alert
North Dakota - Severe Thunderstorm Warning , Flash Flood Watch
Ohio - Heat Advisory , Excessive Heat Warning
Oklahoma - Heat Advisory , Record Report
Pennsylvania - Excessive Heat Watch , Excessive Heat Warning , Air Quality Alert
Rhode Island - Public Information Statement
South Dakota - Excessive Heat Warning , Fire Weather Warning
Tennessee - Flash Flood Warning , Heat Advisory , Air Quality Alert
Texas - Heat Advisory , Special Statement , Record Report , Public Information Statement
Utah - Record Report
Virginia - Heat Advisory , Air Quality Alert , Public Information Statement
Washington - Record Report
West Virginia - Heat Advisory , Public Information Statement
Wisconsin - Flash Flood Watch , Heat Advisory , Record Report
Wyoming - Fire Weather Warning , Record Report

More From CBS San Francisco

Get The New CBS SF Bay Area Local App
Got Our Weather App?

Listen Live