Alert archive / California / Flash Flood Warnings in 2001
Flash Flood Warning 3, NWS Hanford, CA
NWS Hanford, CA issued this flash flood warning at Jul 7, 2001, 3:26 PM PDT for Kern County, California. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- Jul 7, 2001, 3:26 PM PDT (22:26 UTC)
- Expired
- Jul 7, 2001, 5:30 PM PDT
- In force
- 2 hr
- Issued by
- NWS Hanford, CA
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Kern County, CA
The nearest sounding before it
Mercury/Desert R, NV (KDRA), launched 12:00Z, 10.4 hours before the alert went out and 223 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
- 139 J/kg
- Mixed-layer CIN
- -69 J/kg
- Mixed-layer LCL
- 950 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 38 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS56 KHNX 072228 FFWFAT CAC029-080030- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY CA 326 PM PDT SAT JUL 7 2001 THE NATIONAL WEATHER SERVICE IN HANFORD CA HAS ISSUED A * FLASH FLOOD WARNING FOR... EAST CENTRAL KERN COUNTY IN CENTRAL CALIFORNIA * UNTIL 530 PM PDT * AT 319 PM PDT...WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAIN FROM CALIFORNIA CITY NORTH TO THE INYOKERN AREA. * OTHER LOCATIONS IN THE WARNING INCLUDE RED ROCK CANYON STATE PARK. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF CREEKS AND STREAMS...ROADS AND ROADSIDE CULVERTS. THE HEAVY RAINS COULD ALSO TRIGGER ROCK AND MUDSLIDES IN STEEP TERRAIN. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. 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. IF YOUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND. TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN HANFORD CA. LAT...LON 3513 11810 3512 11769 3569 11773 3569 11800
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Hanford, CA wrote its last area forecast discussion before this flash flood warning went out at Jul 7, 3:00 PM PDT, 26 minutes earlier.
Area forecast discussion, Jul 7, 3:00 PM PDT, 26 minutes before
INTERIOR CENTRAL CALIFORNIA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
300 PM PDT SAT JUL 7 2001
CONVECTION QUITE ACTIVE OVER ALL HIGH TERRAIN AND THE DESERT PORTIONS
OF INTERIOR CENTRAL CALIFORNIA CWFA. BEST CONVECTION APPEARS TO BE
CENTERED JUST SOUTH OF KERN COUNTY LINE IN THE LOS PADRES AND IN THE
ANTELOPE VALLEY. SPOTTER REPORTS INDICATE THAT LOCALLY HEAVY RAIN
OCCURRING VICINITY OF ROSAMOND WITH A LOT OF STANDING WATER.
PRECIPITABLE WATER IN EXCESS OF 1.5 INCHES IN MOIST SOUTHERLY PLUME
AIDED BY WEAK UPPER AIR DYNAMICS AND DE-STABILIZATION WITH DAYTIME
HEATING. EXPECT CONVECTION TO DIMINISH BY LATE EVENING BEFORE STARTING
THE CYCLE ALL OVER AGAIN ON SUNDAY. VERY SLOW DRYING TREND FROM THE
SOUTH SO EXPECT CONVECTION ON SUNDAY TO HAVE SLIGHTLY LESS AREAL
COVERAGE THAN TODAY.
TRENDS IN MODELS GENERALLY FAVORING A SLOW TURN TO SOUTHWEST OVER THE
NEXT 72 HOURS. HUMIDITIES AT THE UPPER LEVELS WILL DROP QUICKER THAN
LOW LEVELS BUT STILL EXPECT AFTERNOON CONVECTION TO FIRE OFF OVER THE
MOUNTAINS THROUGH TUESDAY. CONVECTION ENDING IN THE DESERT BY MONDAY.
WITH DRYING EXPECT MAXIMUM TEMPERATURES TO CREEP UP SLIGHTLY WHILE
MINIMUMS LOWER THROUGH THE FIRST 72 HOURS. WEAK SYNOPTIC COOLING AT
MIDWEEK TO ALLOW MAX TEMPS TO DIP BEFORE SOME CLIMBING TOWARD THE END OF
THE WEEK. POPS FAT 0000 BFL 1110 YNP 6554
.HNX...FLASH FLOOD WATCH FROM UNTIL 9:00 PM THIS EVENING FOR
ZONES 95>99.
GUDGELNearby
Flash Flood Warnings in California, 2001Every flash flood warning in 2001
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.