351
WGUS86 KSTO 220327
FLSSTO
FLOOD ADVISORY
NATIONAL WEATHER SERVICE SACRAMENTO CA
827 PM PDT TUE APR 21 2026
CAC021-103-220800-
/O.NEW.KSTO.FA.Y.0009.260422T0327Z-260422T0800Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GLENN CA-TEHAMA CA-
827 PM PDT TUE APR 21 2026
..FLOOD ADVISORY IN EFFECT UNTIL 1 AM PDT WEDNESDAY
* WHAT...URBAN AND SMALL STREAM FLOODING CAUSED BY HEAVY RAIN AND
THUNDERSTORMS IS EXPECTED.
* WHERE...A PORTION OF NORTHERN CALIFORNIA, INCLUDING THE FOLLOWING
COUNTIES, GLENN AND TEHAMA.
* WHEN...UNTIL 100 AM PDT.
* IMPACTS...MINOR FLOODING IN LOW-LYING AND POOR DRAINAGE AREAS.
WATER OVER ROADWAYS. OVERFLOWING POOR DRAINAGE AREAS.
* ADDITIONAL DETAILS...
- AT 823 PM PDT, DOPPLER RADAR INDICATED HEAVY RAIN DUE TO
TRAINING THUNDERSTORMS. THIS WILL CAUSE URBAN AND SMALL
STREAM FLOODING. BETWEEN 1 AND 1.5 INCHES OF RAIN HAVE
FALLEN.
- ADDITIONAL RAINFALL AMOUNTS OF 0.5 TO 1.5 INCHES ARE EXPECTED
OVER THE AREA. THIS ADDITIONAL RAIN WILL RESULT IN MINOR
FLOODING.
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CORNING, ORLAND, RICHFIELD, LOS MOLINOS, BLACK BUTTE DAM,
BLACK BUTTE LAKE AND BLACK BUTTE SUMMIT.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
LAT...LON 4000 12218 4000 12205 3994 12206 3979 12208
3968 12226 3967 12239 3982 12237
JS
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