Alert archive / California / Flood Watches in 2021
Flood Watch 3, NWS San Diego, CA
NWS San Diego, CA issued this flood watch at Dec 28, 2021, 11:07 AM PST for 4 counties in California. It took effect at Dec 29, 2021, 10:00 AM PST. It was in force for 25 hr.
The area
The counties it named.
The facts
- Issued
- Dec 28, 2021, 11:07 AM PST (19:07 UTC)
- In effect from
- Dec 29, 2021, 10:00 AM PST
- Expired
- Dec 30, 2021, 11:27 AM PST
- In force
- 25 hr
- Issued by
- NWS San Diego, CA
- Flood severity
- None
Counties Orange County, CA, Riverside County, CA, San Bernardino County, CA, San Diego County, CA
The radar
The Santa Ana Mts radar (KSOX), 88 km from the middle of the area, began a volume at 19:10 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
San Diego, CA (KNKX), launched 12:00Z, 7.1 hours before the alert went out and 124 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
- 28 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 646 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 14 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
186
WGUS66 KSGX 281907
FFASGX
URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service San Diego CA
1107 AM PST Tue Dec 28 2021
CAZ043-048-050-055>058-065-552-554-290615-
/O.NEW.KSGX.FA.A.0003.211229T1800Z-211231T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Diego County Coastal Areas-San Bernardino and Riverside County
Valleys-The Inland Empire-San Diego County Valleys-San Bernardino
County Mountains-Riverside County Mountains-Santa Ana Mountains and
Foothills-San Diego County Mountains-San Gorgonio Pass Near Banning-
Orange County Coastal Areas-Orange County Inland Areas-
Including the cities of Vista, Ontario, Santee, Idyllwild-Pine Cove,
Fontana, Garden Grove, Fullerton, Orange, Banning, Santa Ana,
National City, Riverside, Poway, Big Bear Lake, Oceanside, Big Bear
City, Desert Hot Springs, San Diego, Lake Arrowhead, Irvine, El
Cajon, Newport Beach, Escondido, Chula Vista, Crestline, San
Clemente, Wrightwood, Corona, Anaheim, Huntington Beach, San
Bernardino, Moreno Valley, Mission Viejo, Laguna Beach, Julian, Pine
Valley, Costa Mesa, La Mesa, Encinitas, Running Springs, San Marcos,
Carlsbad, and Rancho Cucamonga
1107 AM PST Tue Dec 28 2021
...FLOOD WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY
AFTERNOON...
* WHAT...Flooding caused by excessive rainfall is possible.
* WHERE...A portion of Southern California, including the following
areas, Orange County Coastal Areas, Orange County Inland Areas,
Riverside County Mountains below 5000 feet, San Bernardino County
Mountains below 5000 feet, San Bernardino and Riverside County
Valleys-The Inland Empire, San Diego County Coastal Areas, San
Diego County Mountains below 5000 feet, San Diego County Valleys,
San Gorgonio Pass Near Banning and Santa Ana Mountains and
Foothills. Including the Apple, El Dorado, and Bond burn scars.
* WHEN...From Wednesday morning through Thursday afternoon.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas.
* ADDITIONAL DETAILS...
- A winter storm will bring widespread heavy rainfall to
locations below 5000 feet in elevation. Total rainfall
amounts of 1 to 2.5 inches are forecast for the coast and
valleys and 3 to 6 inches below 5000 feet in the mountains.
Hourly rainfall amounts of 0.60 to 0.70 inches are
anticipated. Flash flooding is possible including dangerous
debris flows in and around the Bond, Apple and El Dorado burn
scars.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.
&&
$$
CO9 follow-up statements
246
WGUS66 KSGX 281925
FFASGX
URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service San Diego CA
1125 AM PST Tue Dec 28 2021
CAZ060>062-290330-
/O.EXA.KSGX.FA.A.0003.211229T1800Z-211231T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Apple and Lucerne Valleys-Coachella Valley-San Diego County Deserts-
Including the cities of Palm Desert, Indio, Victorville, Palm Desert
Country, Palm Springs, Lucerne Valley, Borrego Springs, Apple
Valley, Hesperia, Coachella, La Quinta, and Cathedral City
1125 AM PST Tue Dec 28 2021
...FLOOD WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY
AFTERNOON...
* WHAT...Flooding caused by excessive rainfall is possible.
* WHERE...A portion of Southern California, including the following
areas, Apple and Lucerne Valleys, Coachella Valley and San Diego
County Deserts.
* WHEN...From Wednesday morning through Thursday afternoon.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas.
* ADDITIONAL DETAILS...
- A winter storm will bring periods of rain to the deserts
Wednesday morning through Thursday afternoon. Maximum
Rainfall totals of 0.25 to 0.75 inches an hour expected.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.
&&
$$
CAZ043-048-050-055>058-065-552-554-290330-
/O.CON.KSGX.FA.A.0003.211229T1800Z-211231T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Diego County Coastal Areas-San Bernardino and Riverside County
Valleys-The Inland Empire-San Diego County Valleys-San Bernardino
County Mountains-Riverside County Mountains-Santa Ana Mountains and
Foothills-San Diego County Mountains-San Gorgonio Pass Near Banning-
Orange County Coastal Areas-Orange County Inland Areas-
Including the cities of Vista, Ontario, Santee, Idyllwild-Pine Cove,
Fontana, Garden Grove, Fullerton, Orange, Banning, Santa Ana,
National City, Riverside, Poway, Big Bear Lake, Oceanside, Big Bear
City, Desert Hot Springs, San Diego, Lake Arrowhead, Irvine, El
Cajon, Newport Beach, Escondido, Chula Vista, Crestline, San
Clemente, Wrightwood, Corona, Anaheim, Huntington Beach, San
Bernardino, Moreno Valley, Mission Viejo, Laguna Beach, Julian, Pine
Valley, Costa Mesa, La Mesa, Encinitas, Running Springs, San Marcos,
Carlsbad, and Rancho Cucamonga
1125 AM PST Tue Dec 28 2021
...FLOOD WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY AFTERNOON...
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of Southern California, including the following
areas, Orange County Coastal Areas, Orange County Inland Areas,
Riverside County Mountains below 5000 feet, San Bernardino County
Mountains below 5000 feet, San Bernardino and Riverside County
Valleys-The Inland Empire, San Diego County Coastal Areas, San
Diego County Mountains below 5000 feet, San Diego County Valleys,
San Gorgonio Pass Near Banning and Santa Ana Mountains and
Foothills. Including the Apple, El Dorado, and Bond burn scars.
* WHEN...From Wednesday morning through Thursday afternoon.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Flash
flooding and debris flows are possible, especially near recent
burn scars.
* ADDITIONAL DETAILS...
- A winter storm will bring widespread heavy rainfall to
locations below 5000 feet in elevation. Total rainfall
amounts of 1 to 2.5 inches are forecast for the coast and
valleys and 3 to 6 inches below 5000 feet in the mountains.
Hourly rainfall amounts of 0.60 to 0.70 inches are
anticipated. Flash flooding is possible including dangerous
debris flows in and around the Bond, Apple and El Dorado burn
scars.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.
&&
$$
CO005
WGUS66 KSGX 282054
FFASGX
Flood Watch
National Weather Service San Diego CA
1254 PM PST Tue Dec 28 2021
CAZ043-048-050-055>058-065-552-554-290615-
/O.CON.KSGX.FA.A.0003.211229T1800Z-211231T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Diego County Coastal Areas-San Bernardino and Riverside County
Valleys-The Inland Empire-San Diego County Valleys-San Bernardino
County Mountains-Riverside County Mountains-Santa Ana Mountains and
Foothills-San Diego County Mountains-San Gorgonio Pass Near Banning-
Orange County Coastal Areas-Orange County Inland Areas-
Including the cities of Vista, Ontario, Santee, Idyllwild-Pine Cove,
Fontana, Garden Grove, Fullerton, Orange, Banning, Santa Ana,
National City, Riverside, Poway, Big Bear Lake, Oceanside, Big Bear
City, Desert Hot Springs, San Diego, Lake Arrowhead, Irvine, El
Cajon, Newport Beach, Escondido, Chula Vista, Crestline, San
Clemente, Wrightwood, Corona, Anaheim, Huntington Beach, San
Bernardino, Moreno Valley, Mission Viejo, Laguna Beach, Julian, Pine
Valley, Costa Mesa, La Mesa, Encinitas, Running Springs, San Marcos,
Carlsbad, and Rancho Cucamonga
1254 PM PST Tue Dec 28 2021
...FLOOD WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY AFTERNOON...
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of Southern California, including the following
areas, Orange County Coastal Areas, Orange County Inland Areas,
Riverside County Mountains below 5000 feet, San Bernardino County
Mountains below 5000 feet, San Bernardino and Riverside County
Valleys-The Inland Empire, San Diego County Coastal Areas, San
Diego County Mountains below 5000 feet, San Diego County Valleys,
San Gorgonio Pass Near Banning and Santa Ana Mountains and
Foothills. Including the Apple, El Dorado, and Bond burn scars.
* WHEN...From Wednesday morning through Thursday afternoon.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Flash
flooding and debris flows are possible, especially near recent
burn scars.
* ADDITIONAL DETAILS...
- A winter storm will bring widespread heavy rainfall to
locations below 5000 feet in elevation. Total rainfall
amounts of 1 to 2.5 inches are forecast for the coast and
valleys and 3 to 6 inches below 5000 feet in the mountains.
Hourly rainfall amounts of 0.60 to 0.70 inches are
anticipated. Flash flooding is possible including dangerous
debris flows in and around the Bond, Apple and El Dorado burn
scars.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.
&&
$$
CAZ060>062-290615-
/O.CON.KSGX.FA.A.0003.211229T1800Z-211231T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Apple and Lucerne Valleys-Coachella Valley-San Diego County Deserts-
Including the cities of Palm Desert, Indio, Victorville, Palm Desert
Country, Palm Springs, Lucerne Valley, Borrego Springs, Apple
Valley, Hesperia, Coachella, La Quinta, and Cathedral City
1254 PM PST Tue Dec 28 2021
...FLOOD WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY AFTERNOON...
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of Southern California, including the following
areas, Apple and Lucerne Valleys, Coachella Valley and San Diego
County Deserts.
* WHEN...From Wednesday morning through Thursday afternoon.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas.
* ADDITIONAL DETAILS...
- A winter storm will bring periods of rain to the deserts
Wednesday morning through Thursday afternoon. Rainfall totals
of 0.25 to 0.75 inches expected.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.
&&
$$
CO273
WGUS66 KSGX 290544
FFASGX
Flood Watch
National Weather Service San Diego CA
944 PM PST Tue Dec 28 2021
CAZ043-048-050-055>058-065-552-554-291400-
/O.CON.KSGX.FA.A.0003.211229T1800Z-211231T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Diego County Coastal Areas-San Bernardino and Riverside County
Valleys-The Inland Empire-San Diego County Valleys-San Bernardino
County Mountains-Riverside County Mountains-Santa Ana Mountains and
Foothills-San Diego County Mountains-San Gorgonio Pass Near Banning-
Orange County Coastal Areas-Orange County Inland Areas-
Including the cities of Vista, Ontario, Santee, Idyllwild-Pine Cove,
Fontana, Garden Grove, Fullerton, Orange, Banning, Santa Ana,
National City, Riverside, Poway, Big Bear Lake, Oceanside, Big Bear
City, Desert Hot Springs, San Diego, Lake Arrowhead, Irvine, El
Cajon, Newport Beach, Escondido, Chula Vista, Crestline, San
Clemente, Wrightwood, Corona, Anaheim, Huntington Beach, San
Bernardino, Moreno Valley, Mission Viejo, Laguna Beach, Julian, Pine
Valley, Costa Mesa, La Mesa, Encinitas, Running Springs, San Marcos,
Carlsbad, and Rancho Cucamonga
944 PM PST Tue Dec 28 2021
...FLOOD WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY AFTERNOON...
* WHAT...Flooding caused by excessive rainfall possible.
* WHERE...A portion of Southern California, including the following
areas, Orange County Coastal Areas, Orange County Inland Areas,
Riverside County Mountains, San Bernardino County Mountains, San
Bernardino and Riverside County Valleys-The Inland Empire, San
Diego County Coastal Areas, San Diego County Mountains, San Diego
County Valleys, San Gorgonio Pass Near Banning and Santa Ana
Mountains and Foothills.
* WHEN...From Wednesday morning through Thursday afternoon.
* IMPACTS...Excessive runoff may result in flooding of small creeks,
streams, and low-lying and flood-prone locations. Flooding may
occur in poor drainage and urban areas. Flash flooding and debris
flows are possible, especially near the recent burn scars.
* ADDITIONAL DETAILS...
- A winter storm will bring widespread heavy rainfall to areas
below 5000 feet elevation. Total rainfall amounts of 1.25 to
2.5 inches are forecast for most areas below 5000 ft, expect
along the south slopes of the San Bernardino Mountains where
3 to 7 inches of rain is possible. Hourly rainfall amounts of
0.60 to 0.80 inches are anticipated. Flash flooding is
possible including dangerous debris flows in and around the
Bond, Apple, and El Dorado burn scars.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.
&&
$$
CAZ060>062-291400-
/O.CON.KSGX.FA.A.0003.211229T1800Z-211231T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Apple and Lucerne Valleys-Coachella Valley-San Diego County Deserts-
Including the cities of Palm Desert, Indio, Victorville, Palm Desert
Country, Palm Springs, Lucerne Valley, Borrego Springs, Apple
Valley, Hesperia, Coachella, La Quinta, and Cathedral City
944 PM PST Tue Dec 28 2021
...FLOOD WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY AFTERNOON...
* WHAT...Flooding caused by excessive rainfall possible.
* WHERE...A portion of Southern California, including the following
areas, Apple and Lucerne Valleys, Coachella Valley and San Diego
County Deserts.
* WHEN...From Wednesday morning through Thursday afternoon.
* IMPACTS...Excessive runoff may result in flooding of normally low
or dry washes, creeks, and canals, and other low-lying and
flood-prone locations. Flooding may occur in poor drainage and
urban areas.
* ADDITIONAL DETAILS...
- A winter storm will bring periods of rain to the deserts
Wednesday morning through Thursday afternoon. Rainfall totals
of 0.25 to 0.75 inches expected.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.
&&
$$
SS164
WGUS66 KSGX 291222
FFASGX
Flood Watch
National Weather Service San Diego CA
422 AM PST Wed Dec 29 2021
CAZ043-048-050-055>058-065-552-554-292300-
/O.CON.KSGX.FA.A.0003.211229T1800Z-211231T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Diego County Coastal Areas-San Bernardino and Riverside County
Valleys-The Inland Empire-San Diego County Valleys-San Bernardino
County Mountains-Riverside County Mountains-Santa Ana Mountains and
Foothills-San Diego County Mountains-San Gorgonio Pass Near Banning-
Orange County Coastal Areas-Orange County Inland Areas-
Including the cities of Vista, Ontario, Santee, Idyllwild-Pine Cove,
Fontana, Garden Grove, Fullerton, Orange, Banning, Santa Ana,
National City, Riverside, Poway, Big Bear Lake, Oceanside, Big Bear
City, Desert Hot Springs, San Diego, Lake Arrowhead, Irvine, El
Cajon, Newport Beach, Escondido, Chula Vista, Crestline, San
Clemente, Wrightwood, Corona, Anaheim, Huntington Beach, San
Bernardino, Moreno Valley, Mission Viejo, Laguna Beach, Julian, Pine
Valley, Costa Mesa, La Mesa, Encinitas, Running Springs, San Marcos,
Carlsbad, and Rancho Cucamonga
422 AM PST Wed Dec 29 2021
...FLOOD WATCH REMAINS IN EFFECT FROM 10 AM PST THIS MORNING THROUGH
THURSDAY AFTERNOON...
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of Southern California, including the following
areas, Orange County Coastal Areas, Orange County Inland Areas,
Riverside County Mountains, San Bernardino County Mountains, San
Bernardino and Riverside County Valleys-The Inland Empire, San
Diego County Coastal Areas, San Diego County Mountains, San Diego
County Valleys, San Gorgonio Pass Near Banning and Santa Ana
Mountains and Foothills.
* WHEN...From 10 AM PST this morning through Thursday afternoon.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas.
* ADDITIONAL DETAILS...
- The most likely time for locally heavy rainfall is for
tonight into early Thursday with the most likely area
somewhere from the coast to the mountains for Orange and
southwestern San Bernardino Counties westward. There is the
potential for a portion of this area or areas nearby to
receive several hours of locally heavy rainfall for tonight
into early Thursday. In the mountains, snow melt could add to
the runoff below 5500 to 6000 feet. Rainfall for Orange,
southwestern San
Bernardino Counties is expected to range from around 2 inches
at
the coast to 5 to 7 inches in the mountains with locally
greater
amounts. This will transition to 1 to 1.5 inch at the coast
to 1.5
to 2 inches in the mountains for the southern half of San
Diego
County.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.
&&
$$
CAZ060>062-292300-
/O.CON.KSGX.FA.A.0003.211229T1800Z-211231T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Apple and Lucerne Valleys-Coachella Valley-San Diego County Deserts-
Including the cities of Palm Desert, Indio, Victorville, Palm Desert
Country, Palm Springs, Lucerne Valley, Borrego Springs, Apple
Valley, Hesperia, Coachella, La Quinta, and Cathedral City
422 AM PST Wed Dec 29 2021
...FLOOD WATCH REMAINS IN EFFECT FROM 10 AM PST THIS MORNING THROUGH
THURSDAY AFTERNOON...
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of Southern California, including the following
areas, Apple and Lucerne Valleys, Coachella Valley and San Diego
County Deserts.
* WHEN...From 10 AM PST this morning through Thursday afternoon.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas.
* ADDITIONAL DETAILS...
- A winter storm will bring periods of rain to the deserts for
this morning through Thursday afternoon. Rainfall totals of
one-half to one inch are expected in the high desert and one-
quarter to one-half inch in the lower deserts with much of
that rainfall for tonight into Thursday.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.
&&
$$
17896
WGUS66 KSGX 292054
FFASGX
Flood Watch
National Weather Service San Diego CA
1254 PM PST Wed Dec 29 2021
CAZ043-048-050-055>058-065-552-554-300630-
/O.CON.KSGX.FA.A.0003.000000T0000Z-211231T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Diego County Coastal Areas-San Bernardino and Riverside County
Valleys-The Inland Empire-San Diego County Valleys-San Bernardino
County Mountains-Riverside County Mountains-Santa Ana Mountains and
Foothills-San Diego County Mountains-San Gorgonio Pass Near Banning-
Orange County Coastal Areas-Orange County Inland Areas-
Including the cities of Vista, Ontario, Santee, Idyllwild-Pine Cove,
Fontana, Garden Grove, Fullerton, Orange, Banning, Santa Ana,
National City, Riverside, Poway, Big Bear Lake, Oceanside, Big Bear
City, Desert Hot Springs, San Diego, Lake Arrowhead, Irvine, El
Cajon, Newport Beach, Escondido, Chula Vista, Crestline, San
Clemente, Wrightwood, Corona, Anaheim, Huntington Beach, San
Bernardino, Moreno Valley, Mission Viejo, Laguna Beach, Julian, Pine
Valley, Costa Mesa, La Mesa, Encinitas, Running Springs, San Marcos,
Carlsbad, and Rancho Cucamonga
1254 PM PST Wed Dec 29 2021
...FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY AFTERNOON...
* WHAT...Flooding caused by excessive rainfall possible.
* WHERE...A portion of Southern California, including the following
areas, Orange County Coastal Areas, Orange County Inland Areas,
Riverside County Mountains, San Bernardino County Mountains, San
Bernardino and Riverside County Valleys-The Inland Empire, San
Diego County Coastal Areas, San Diego County Mountains, San Diego
County Valleys, San Gorgonio Pass Near Banning and Santa Ana
Mountains and Foothills.
* WHEN...Through Thursday afternoon.
* IMPACTS...Excessive runoff may result in flooding of small creeks,
streams, and low-lying and flood-prone locations. Flooding may
occur in poor drainage and urban areas. Flash flooding and debris
flows are possible, especially near the recent burn scars.
* ADDITIONAL DETAILS...
- The most likely time for locally heavy rainfall is tonight
into early Thursday with the most likely area somewhere from
the coast to the mountains for Orange and southwestern San
Bernardino Counties westward. There is the potential for a
portion of this area or areas nearby to receive several hours
of locally heavy rainfall for tonight into early Thursday. In
the mountains, snow melt could add to the runoff below 5500
to 6000 feet. Rainfall for Orange, southwestern San
Bernardino Counties is expected to range from around 2 inches
at
the coast to 5 to 7 inches in the mountains with locally
greater
amounts. This will transition to 1 to 2 inch at the coast to
1.5
to 2 inches in the mountains for the southern half of San
Diego
County.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.
&&
$$
CAZ060>062-300630-
/O.CON.KSGX.FA.A.0003.000000T0000Z-211231T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Apple and Lucerne Valleys-Coachella Valley-San Diego County Deserts-
Including the cities of Palm Desert, Indio, Victorville, Palm Desert
Country, Palm Springs, Lucerne Valley, Borrego Springs, Apple
Valley, Hesperia, Coachella, La Quinta, and Cathedral City
1254 PM PST Wed Dec 29 2021
...FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY AFTERNOON...
* WHAT...Flooding caused by excessive rainfall possible.
* WHERE...A portion of Southern California, including the following
areas, Apple and Lucerne Valleys, Coachella Valley and San Diego
County Deserts.
* WHEN...Through Thursday afternoon.
* IMPACTS...Excessive runoff may result in flooding of normally low
or dry washes, creeks, and canals, and other low-lying and
flood-prone locations. Flooding may occur in poor drainage and
urban areas.
* ADDITIONAL DETAILS...
- A winter storm will bring periods of rain to the deserts
through Thursday afternoon. Rainfall totals of one-half to
one inch are expected in the high desert and one-quarter to
one-half inch in the lower deserts with much of that rainfall
for tonight into Thursday.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.
&&
$$
CO654
WGUS66 KSGX 300441
FFASGX
Flood Watch
National Weather Service San Diego CA
841 PM PST Wed Dec 29 2021
CAZ061-062-300545-
/O.CAN.KSGX.FA.A.0003.000000T0000Z-211231T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Coachella Valley-San Diego County Deserts-
Including the cities of Palm Desert, Indio, La Quinta, Palm Desert
Country, Palm Springs, Coachella, Borrego Springs, and Cathedral City
841 PM PST Wed Dec 29 2021
...FLOOD WATCH IS CANCELLED FOR THE LOWER DESERTS...
The Flood Watch is cancelled for the Coachella Valley and San Diego
County Deserts.
The chance of flooding rainfall in the lower deserts is very low.
Therefore, the Flood Watch is being cancelled.
$$
CAZ043-048-050-055>058-065-552-554-301245-
/O.CON.KSGX.FA.A.0003.000000T0000Z-211231T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Diego County Coastal Areas-San Bernardino and Riverside County
Valleys-The Inland Empire-San Diego County Valleys-San Bernardino
County Mountains-Riverside County Mountains-Santa Ana Mountains and
Foothills-San Diego County Mountains-San Gorgonio Pass Near Banning-
Orange County Coastal Areas-Orange County Inland Areas-
Including the cities of Vista, Ontario, Santee, Idyllwild-Pine Cove,
Fontana, Garden Grove, Fullerton, Orange, Banning, Santa Ana,
National City, Riverside, Poway, Big Bear Lake, Oceanside, Big Bear
City, Desert Hot Springs, San Diego, Lake Arrowhead, Irvine, El
Cajon, Newport Beach, Escondido, Chula Vista, Crestline, San
Clemente, Wrightwood, Corona, Anaheim, Huntington Beach, San
Bernardino, Moreno Valley, Mission Viejo, Laguna Beach, Julian, Pine
Valley, Costa Mesa, La Mesa, Encinitas, Running Springs, San Marcos,
Carlsbad, and Rancho Cucamonga
841 PM PST Wed Dec 29 2021
...FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY AFTERNOON...
* WHAT...Flooding caused by excessive rainfall.
* WHERE...Orange County Coastal Areas, Orange County Inland Areas,
Riverside County Mountains, San Bernardino County Mountains, San
Bernardino and Riverside County Valleys-The Inland Empire, San
Diego County Coastal Areas, San Diego County Mountains, San Diego
County Valleys, San Gorgonio Pass Near Banning and Santa Ana
Mountains and Foothills.
* WHEN...Through Thursday afternoon.
* IMPACTS...Excessive runoff may result in flooding of small creeks,
streams, and low-lying and flood-prone locations. Flooding may
occur in poor drainage and urban areas. Flash flooding and debris
flows are possible, especially near the recent burn scars.
* ADDITIONAL DETAILS...
- The most likely time for locally heavy rainfall is tonight
and early Thursday. The most likely areas are in Orange and
southwestern San Bernardino Counties where the potential for
several hours of locally heavy rainfall is highest. In the
mountains, snow melt could add to the runoff below 5500 to
6000 feet. Rainfall in Orange, southwestern San Bernardino
Counties is for 2 inches at the coast to 5 to 7 inches in the
mountains. This will transition to 1 to 2 inch at the coast
to 1.5 to 2 inches in the mountains for the southern half of
San Diego County.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor later forecasts and be alert for possible Flood Warnings.
Those living in areas prone to flooding should be prepared to take
action should flooding develop.
&&
$$
CAZ060-301245-
/O.CON.KSGX.FA.A.0003.000000T0000Z-211231T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Apple and Lucerne Valleys-
Including the cities of Apple Valley, Victorville, Lucerne Valley,
and Hesperia
841 PM PST Wed Dec 29 2021
...FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY AFTERNOON...
* WHAT...Flooding caused by excessive rainfall possible.
* WHERE...Apple and Lucerne Valleys.
* WHEN...Through Thursday afternoon.
* IMPACTS...Excessive runoff may result in flooding of normally low
or dry washes, creeks, and canals, and other low-lying and
flood-prone locations.
* ADDITIONAL DETAILS...
- Rainfall totals through Thursday will range from one-half to
one inch in the high deserts.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor later forecasts and be alert for possible Flood Warnings.
Those living in areas prone to flooding should be prepared to take
action should flooding develop.
&&
$$
Moede184
WGUS66 KSGX 300842
FFASGX
Flood Watch
National Weather Service San Diego CA
1242 AM PST Thu Dec 30 2021
CAZ043-050-056-058-060-065-300945-
/O.CAN.KSGX.FA.A.0003.000000T0000Z-211231T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Diego County Coastal Areas-San Diego County Valleys-Riverside
County Mountains-San Diego County Mountains-Apple and Lucerne
Valleys-San Gorgonio Pass Near Banning-
Including the cities of Vista, Santee, Idyllwild-Pine Cove, Apple
Valley, Banning, Hesperia, National City, Poway, Victorville,
Oceanside, Desert Hot Springs, San Diego, Lucerne Valley, El Cajon,
Escondido, Chula Vista, Julian, Pine Valley, La Mesa, Encinitas, San
Marcos, and Carlsbad
1242 AM PST Thu Dec 30 2021
...FLOOD WATCH IS CANCELLED...
The Flood Watch is cancelled for a portion of Southern California,
including the following areas, Apple and Lucerne Valleys, Riverside
County Mountains, San Diego County Coastal Areas, San Diego County
Mountains, San Diego County Valleys and San Gorgonio Pass Near
Banning.
The flooding threat has ended. Therefore, the Flood Watch is being
cancelled.
$$
CAZ048-055-057-552-554-301645-
/O.CON.KSGX.FA.A.0003.000000T0000Z-211231T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Bernardino and Riverside County Valleys-The Inland Empire-San
Bernardino County Mountains-Santa Ana Mountains and Foothills-Orange
County Coastal Areas-Orange County Inland Areas-
Including the cities of Ontario, Fontana, Garden Grove, Fullerton,
Orange, Santa Ana, Riverside, San Clemente, Big Bear Lake, Big Bear
City, Irvine, Newport Beach, Crestline, Wrightwood, Corona, Anaheim,
San Bernardino, Moreno Valley, Mission Viejo, Laguna Beach, Costa
Mesa, Lake Arrowhead, Running Springs, Huntington Beach, and Rancho
Cucamonga
1242 AM PST Thu Dec 30 2021
...FLOOD WATCH REMAINS IN EFFECT THROUGH THIS AFTERNOON...
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of Southern California, including the following
areas, Orange County Coastal Areas, Orange County Inland Areas,
San Bernardino County Mountains, San Bernardino and Riverside
County Valleys-The Inland Empire and Santa Ana Mountains and
Foothills.
* WHEN...Through this afternoon.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas.
* ADDITIONAL DETAILS...
- Additional rainfall through this afternoon could range from 1
to 1.5 inch near the coast to 2 to 4 inches in the mountains
with the greatest amounts for areas bordering Los Angeles
County.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.
&&
$$
17926
WGUS66 KSGX 301055
FFASGX
Flood Watch
National Weather Service San Diego CA
255 AM PST Thu Dec 30 2021
CAZ048-055-057-552-554-310000-
/O.CON.KSGX.FA.A.0003.000000T0000Z-211231T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Bernardino and Riverside County Valleys-The Inland Empire-San
Bernardino County Mountains-Santa Ana Mountains and Foothills-Orange
County Coastal Areas-Orange County Inland Areas-
Including the cities of Ontario, Fontana, Garden Grove, Fullerton,
Orange, Santa Ana, Riverside, San Clemente, Big Bear Lake, Big Bear
City, Irvine, Newport Beach, Crestline, Wrightwood, Corona, Anaheim,
San Bernardino, Moreno Valley, Mission Viejo, Laguna Beach, Costa
Mesa, Lake Arrowhead, Running Springs, Huntington Beach, and Rancho
Cucamonga
255 AM PST Thu Dec 30 2021
...FLOOD WATCH REMAINS IN EFFECT THROUGH THIS AFTERNOON...
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of Southern California, including the following
areas, Orange County Coastal Areas, Orange County Inland Areas,
San Bernardino County Mountains, San Bernardino and Riverside
County Valleys-The Inland Empire and Santa Ana Mountains and
Foothills.
* WHEN...Through this afternoon.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas.
* ADDITIONAL DETAILS...
- Additional rainfall through this afternoon ranging from
around 1 inch near the coast to 1.5 to 2.5 inches in the
mountains with the greatest amounts for areas bordering Los
Angeles County.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.
&&
$$
17821 WGUS66 KSGX 301927 FFASGX Flood Watch National Weather Service San Diego CA 1127 AM PST Thu Dec 30 2021 CAZ048-055-057-552-554-302030- /O.CAN.KSGX.FA.A.0003.000000T0000Z-211231T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ San Bernardino and Riverside County Valleys-The Inland Empire-San Bernardino County Mountains-Santa Ana Mountains and Foothills-Orange County Coastal Areas-Orange County Inland Areas- Including the cities of Ontario, Fontana, Garden Grove, Fullerton, Orange, Santa Ana, Riverside, San Clemente, Big Bear Lake, Big Bear City, Irvine, Newport Beach, Crestline, Wrightwood, Corona, Anaheim, San Bernardino, Moreno Valley, Mission Viejo, Laguna Beach, Costa Mesa, Lake Arrowhead, Running Springs, Huntington Beach, and Rancho Cucamonga 1127 AM PST Thu Dec 30 2021 ...FLOOD WATCH IS CANCELLED... The Flood Watch is cancelled for a portion of Southern California, including the following areas, Orange County Coastal Areas, Orange County Inland Areas, San Bernardino County Mountains, San Bernardino and Riverside County Valleys-The Inland Empire and Santa Ana Mountains and Foothills. Flooding is no longer expected to pose a threat. Please continue to heed remaining road closures. $$ 10
The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 27, 7:39 PM PST | Wind Advisory | SGX | Riverside, San Bernardino, San Diego | 7 hr |
| Dec 27, 8:03 PM PST | Small Craft Advisory | SGX | 13 hr | |
| Dec 28, 3:00 AM PST | Winter Storm Watch | SGX | Riverside, San Bernardino, San Diego | 10 hr |
| Dec 28, 1:26 PM PST | Winter Storm Warning | SGX | Riverside, San Bernardino, San Diego | 55 hr |
Nearby
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.