1 flood, as filed by the National Weather Service.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS San Diego, CA wrote its last area forecast discussion before the first event at Jan 26, 2:45 AM PST, 4 hours 30 minutes earlier.
EXTREME SOUTHWESTERN CALIFORNIA AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN DIEGO CA
245 AM PST FRI JAN 26 2001
...SYNOPSIS...
A STORM MOVING DOWN THE COAST WILL BRING RAIN AND MOUNTAIN SNOW
TODAY INTO SATURDAY. PERIODS OF HEAVY RAIN AND SNOW ARE POSSIBLE
THIS AFTERNOON AND EVENING. DRY NEXT WEEK AS STORMS MOVE PAST TO
THE NORTH. LOCALLY BREEZY TOWARD THE MIDDLE OF NEXT WEEK AS
OFFSHORE FLOW DEVELOPS.
...DISCUSSION...
COLD FRONT NEAR OXR AT 200 AM...MOVING SE AT 18KTS...AND SLOWING
DOWN...AND ALSO LOSING SOME PUNCH...AS IT LOSES A SUPPORTING JET
STREAK. PRECIP SHOULD BEGIN IN ORANGE COUNTY BY 7AM...AND DOWNTOWN
SAN DIEGO BY 11 AM. HEAVIEST RAIN WILL BE DURING THE AFTERNOON OVER
THE WHOLE AREA. THIS DUE TO THE BRIEF BUT PERFECT TIMING OF A NEW
WESTERLY 100 KT CYCLONIC JET MAX LEFT FRONT QUAD OVERHEAD...GIVING
US +8 VVEL AT 700 MB. THIS OCCURS AT THE SAME TIME THE COLD 543 UPPER
LOW IS MOVING IN FROM THE NW...GIVING US UNSTABLE CONDITIONS...AND
WHILE THE 1010 MB SFC LOW IS MOVING INTO THE MOJAVE...GIVING US GOOD
SW SFC FLOW AND OROGRAPHICS. THUS HEAVY RAIN AND THUNDERSTORMS
LOOK GOOD FOR THIS PM. NEXT SHIFT MIGHT CONSIDER UPGRADING THE SNOW
ADVISORY FOR THE MOUNTAINS TO A WINTER WEATHER ADVISORY TO
INCLUDE THE COMBINATION OF GUSTY WINDS WITH FALLING SNOW THIS
AFTERNOON. SNOW LEVEL LOWERS FROM 5000 FT THIS AM TO 3500 FT THIS PM
AND EVE. MODEL QPF INDICATES ONLY ABOUT TO 1.0 INCH OF PRECIP FOR
THE FLAT LANDS FRI-AM SAT PERIOD. QUITE COLD TODAY WITH THE INLAND
EMPIRE BARELY MAKING IT TO 50 DEGREES.
THE JET DYNAMICS MOVE WAY SOUTH TONIGHT. SO RAIN TURNS TO SHOWERS
THIS EVE. THE COLDEST AIR ALOFT IS OVER US WITH THE 540 LOW THIS
WKND...AND LI IS -1...SO CHANCE OF SCATTERED TSTRMS...WITH AND
EXTRA .1 T0 .3 INCH IN SOME AREAS EACH DAY.
CLEARING MON UNDER WEAK 567 S/W RIDGE...FOLLOWED BY A WEAK 564 S/W
TUE. THAT S/W WILL JUST BRING SOME CLOUDS...AND PERHAPS A SLIGHT
CHANCE OF SHOWERS TO SBD MTS AND APPLE VALLEY TUE AM.
576 RIDGE BUILDS UP THE COAST...GIVING US 570 N FLOW ALOFT...WHILE
1037 MB HIGH MOVES INTO NEVADA...GIVING US 10-12 MB OFFSHORE FLOW
GRADIENTS. SO POSSIBLE MODERATE COOL SANTA ANA AM WED. OFFSHORE
FLOW TO CONTINUE THRU NEXT WEEKEND...WITH A WARM MODERATE SANTA
ANA FRI AND SAT.
HIGH TEMPS WEST OF MTS IN THE 40S TODAY...50S ON THE WEEKEND...60S
MUCH OF NEXT WEEKs...70S NEXT WEEKEND.
SAN 886
.SAN...SPECIAL WEATHER STATEMENT...SEE LAXSPSSAN.
...SNOW ADVISORY...SEE LAXWSWSAN.
MACKECHNIECAZ042-043-048-050-055>058-060>062-270000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN DIEGO CA 400 AM FRI JAN 26 2001 ...UNSETTLED WEATHER ON TAP FOR SOUTHWESTERN CALIFORNIA TODAY AND SATURDAY... A COLD PACIFIC STORM WILL BRING PERIODS OF RAIN TO SOUTHWESTERN CALIFORNIA ALONG WITH SNOW AT THE HIGHER ELEVATIONS TODAY INTO SATURDAY. RAIN AND SNOW WILL BE HEAVY AT TIMES THIS AFTERNOON AND EVENING...TURNING TO SHOWERS TONIGHT AND SATURDAY. RAINFALL TOTALS FROM THIS STORM WILL RANGE FROM ABOUT A HALF TO ONE INCH WEST OF THE MOUNTAINS WITH LOCAL LARGER AMOUNTS NEAR THE FOOTHILLS. HOWEVER...RAINFALL TOTALS WILL BE QUITE VARIABLE DUE TO THE SHOWERY NATURE OF THE PRECIPITATION. SNOW AT THE HIGHER ELEVATIONS OF THE MOUNTAINS COULD TOTAL 6 TO 14 INCHES. THE POTENTIALLY HEAVY RAIN THIS AFTERNOON AND TONIGHT WILL LIKELY CAUSE LOCAL MINOR FLOODING...ESPECIALLY OF POORLY DRAINED AREAS. MUDSLIDES WILL BE POSSIBLE...ESPECIALLY IN THE RECENTLY BURNED AREAS. THE COLD UNSTABLE AIR ASSOCIATED WITH THIS STORM COULD ALSO CAUSE SOME SMALL HAIL...THUNDERSTORMS...FUNNEL CLOUDS AND WATERSPOUTS. THUNDERSTORMS HAVE DEADLY LIGHTNING AND MAY HAVE BRIEF HEAVY RAIN...STRONG GUSTY WINDS AND LARGE HAIL. THE RAIN AND SNOW WILL CAUSE SLICK ROADS. AVOID TRAVEL...CAMPING AND HIKING IN THE MOUNTAINS DURING THIS STORM. PEOPLE SHOULD STAY INFORMED ON THIS STORMY WEATHER PATTERN. MACKECHNIE
CAZ042-043-048-050-055>058-060>062-270000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN DIEGO CA 400 AM FRI JAN 26 2001 ...UNSETTLED WEATHER ON TAP FOR SOUTHWESTERN CALIFORNIA TODAY AND SATURDAY... A COLD PACIFIC STORM WILL BRING PERIODS OF RAIN TO SOUTHWESTERN CALIFORNIA ALONG WITH SNOW AT THE HIGHER ELEVATIONS TODAY INTO SATURDAY. RAIN AND SNOW WILL BE HEAVY AT TIMES THIS AFTERNOON AND EVENING...TURNING TO SHOWERS TONIGHT AND SATURDAY. RAINFALL TOTALS FROM THIS STORM WILL RANGE FROM ABOUT A HALF TO ONE INCH WEST OF THE MOUNTAINS WITH LOCAL LARGER AMOUNTS NEAR THE FOOTHILLS. HOWEVER...RAINFALL TOTALS WILL BE QUITE VARIABLE DUE TO THE SHOWERY NATURE OF THE PRECIPITATION. SNOW AT THE HIGHER ELEVATIONS OF THE MOUNTAINS COULD TOTAL 6 TO 14 INCHES. THE POTENTIALLY HEAVY RAIN THIS AFTERNOON AND TONIGHT WILL LIKELY CAUSE LOCAL MINOR FLOODING...ESPECIALLY OF POORLY DRAINED AREAS. MUDSLIDES WILL BE POSSIBLE...ESPECIALLY IN THE RECENTLY BURNED AREAS. THE COLD UNSTABLE AIR ASSOCIATED WITH THIS STORM COULD ALSO CAUSE SOME SMALL HAIL...THUNDERSTORMS...FUNNEL CLOUDS AND WATERSPOUTS. THUNDERSTORMS HAVE DEADLY LIGHTNING AND MAY HAVE BRIEF HEAVY RAIN...STRONG GUSTY WINDS AND LARGE HAIL. THE RAIN AND SNOW WILL CAUSE SLICK ROADS. AVOID TRAVEL...CAMPING AND HIKING IN THE MOUNTAINS DURING THIS STORM. PEOPLE SHOULD STAY INFORMED ON THIS STORMY WEATHER PATTERN. MACKECHNIE
The national radar mosaic for the moment the first event began.
1 flood. Local standard time, as filed.
Thunderstorms dropped brief heavy rain and small hail, causing roads to flood and indirectly contributed to 300 vehicle accidents.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in California in 2001Every state in 2001This day in weather historyWarnings in California, January 2001
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5229192.