Alert archive / California / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 13, NWS Hanford, CA
NWS Hanford, CA issued this severe thunderstorm warning at Sep 4, 1997, 5:58 PM PDT for Kern County, California. It was in force for 62 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 4, 1997, 5:58 PM PDT (00:58 UTC)
- Expired
- Sep 4, 1997, 7:00 PM PDT
- In force
- 62 min
- Issued by
- NWS Hanford, CA
- Area
- Whole counties
County Kern County, CA
The nearest sounding before it
China Lake (Naf), CA (KNID), launched 00:00Z, 1.0 hours before the alert went out and 109 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
- 402 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 2653 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFAT 050100 RRA SVRFAT CAC029-050200- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HANFORD CA 558 PM PDT THU SEP 4 1997 THE NATIONAL WEATHER SERVICE IN HANFORD HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 700 PM PDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CALIFORNIA ...CENTRAL KERN COUNTY AT 550 PM...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER THE PIUTE MOUNTAINS...ABOUT 35 MILES EAST OF BAKERSFIELD. THIS STORM WAS MOVING NORTHEAST VERY SLOWLY AND IS PRODUCING HEAVY RAIN AND HAIL AS LARGE AS AN INCH. ALSO...THERE EXISTS A THREAT OF FLASH FLOODING FROM THIS STORM ALTHOUGH IT IS CURRENTLY OVER A RELATIVELY UNINHABITED AREA. THE MAIN CONCERN OF FLASH FLOODING WILL BE CALIENTE CREEK NEAR PIUTE...TO THE WEST...AND KELSO VALLEY...TO THE EAST...OF THIS STORM. SEVERE THUNDERSTORMS CAN PRODUCE DAMAGING HAIL...LIGHTNING...AND HEAVY RAIN...WITH LITTLE OR NO ADVANCE WARNING. IF YOU SEE AN APPROACHING STORM...TAKE COVER IMMEDIATELY.
What forecasters said that day
The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Sep 4, 2:30 PM PDT, 3 hours 28 minutes earlier.
Area forecast discussion, Sep 4, 2:30 PM PDT, 3 hours 28 minutes before
INTERIOR CENTRAL CALIFORNIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA 230 PM PDT THU SEP 04 1997 ALL MDLS IN GNRL AGRMNT. CU CRNTLY BLDG OVR SIERNEV AND TEHACHAPI MTNS AND XPCT SOME TSTM ACTVTY THRU THE EVNG HRS. THE LAST REMNANTS OF MONSOONAL MSTR OVR ERN KERN CNTY SHLD BE ADVCTD TO THE NE TNGT AS H7-H5 FLOW SHFTS TO MORE SW WITH INCRS SPDS. THIS WILL SHFT THE CRNT H7 THETA-E RIDGE OVR ERN KERN CO TO THE EAST TNGT ALSO. XPC ANY TSTM ACTVTY THRU THIS EVNG OVR SRN MTNS AND DESERT TO CLR TNGT. GLF AK TROF MOVG ONSHR PACNW BY 00Z SAT WL LWR SFC PRES OVR NRN NV AND SHFT THE TRML TROF NR THE CST FARTHER INLAND. THIS WL INCRS ONSHR GRADS ACRS THE CWA BY TMRW AFTN. OTHRW FAIR WX TO PRST NOW THRU THE WKEND AS DRY SW FLOW DOMINATES AND THE AIR MASS BCMS MORE STBL. STILL ENOUGH MSTR FOR FEW AFTN CU SIERNEV FRI AND WILL INDCT SLGT CHC OF TSTMS FOR KERN DESERTS AND MTNS IN COORDINATION WITH OXR. TMPS XPCTD TO CHG LTL BUT LKLY DN A FEW DEGREES NXT SVRL DAYS AS HGTS DCRS SLGTLY AND INCRSG ONSHR GRADS DVLP. MARINE LYR RMG SHLW ENOUGH TO INHIBIT ANY MAJOR INTRUSION..THOUGH..INTO THE VLY. MRF KEEPS WK TROF OFF THE W CST WITH DRY FLOW THRU THE XTND PD. THIS WL MAINTAIN NEAR NRML TMPS UNDER MSTLY CLR SKIES. FAT BFL 0000 YNP 1000 .HNX...NONE. FAT UU 068/096 066/094 065 83000 BFL UU 069/097 068/095 066 83000 YNP UU 056/084 054/083 052 83100 GREISS
In the hours before
Local storm report, Sep 4, 1:19 PM PDT, 4 hours 39 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
115 PM PST THU SEP 4 1997
TIME(PDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0632 PM NEAR CANTIL CA FLASH FLOOD
09/03/97 KERN HEAVY RAIN AND RUNOFF
STRANDED MOTORISTS AT
632 PM PDT ON HWY 14
WITH 8 FOOT SURGE AT
710 PM OVER HWY 14 AND
12 FOOT SURGE DOWNSTEAM
OVER REDROCK RD AT 717 PM.
JUST DOWNSTREAM OF HWY 14.
UNKNOWN NUMBER OF CARS
WASHED OFF ROAD...NO FATAL
AT THIS POINT...NUMEROUS
MINOR INJURIES. SEARCH AND
RESCUE STILL UNDERWAY.
4.50 INCHES RAIN OVERNIGHT
0800 PM ONYX CA FLASH FLOOD
09/03/97 KERN 1 FOOT FLOW FROM SCODIE CR
ACROSS HWY 178 EAST OF
LAKE ISABELLA DUE TO
HEAVY THUNDERSTORM RAINS.
HAIL 1/2 INCH WITH RAIN.
0804 PM MOJAVE CA FLASH FLOOD
09/03/97 KERN SHEET FLOW AND FLASH FLOOD
INTO WEST / NORTH PORTIONS
OF MOJAVE. 4 FOOT DEEP
WATER...CARS FLOATED. NO
INJURIES OR FATALITIES.
0745 AM NEAR TEHACHAPI CA LIGHTNING
09/02/97 KERN DAMAGE TO WATER WELL AND
POWER TRANSFORMER
0330 PM ROSAMOND CA 0.75 INCH HAIL
09/02/97 KERN NO DAMAGE REPORTED
0600 PM NEAR KERNVILLE CA HAIL
09/02/97 KERN HILLS 3 NE KERNVILLE WHITE
WITH HAIL COVER. SIZE
UNKNOWN BUT VERY LARGE BY
WSR-88D ALGORITHMS.
0830 PM RIDGECREST CA FLOODING
09/02/97 KERN LOCALLY HEAVY RAIN WITH
THUNDERSTORMS BROUGHT
1.11 INCHES IN 30 MINS.
NUMEROUS INTERSECTIONS
FLOODED WITH 2-6" MUD.
HAIL 1/2 INCH WITH RAIN.
IN MOUNTAINS WEST OF AREA
0.90 INCH FELL IN 8 MINS.
DAN GUDGEL...WCM
NWSO SAN JOAQUIN VALLEYLocal storm report, Sep 4, 2:15 PM PDT, 3 hours 43 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
115 PM PST THU SEP 4 1997
TIME(PDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0632 PM NEAR CANTIL CA FLASH FLOOD
09/03/97 KERN HEAVY RAIN AND RUNOFF
STRANDED MOTORISTS AT
632 PM PDT ON HWY 14
WITH 8 FOOT SURGE AT
710 PM OVER HWY 14 AND
12 FOOT SURGE DOWNSTEAM
OVER REDROCK RD AT 717 PM.
JUST DOWNSTREAM OF HWY 14.
UNKNOWN NUMBER OF CARS
WASHED OFF ROAD...NO FATAL
AT THIS POINT...NUMEROUS
MINOR INJURIES. SEARCH AND
RESCUE STILL UNDERWAY.
4.50 INCHES RAIN OVERNIGHT
0800 PM ONYX CA FLASH FLOOD
09/03/97 KERN 1 FOOT FLOW FROM SCODIE CR
ACROSS HWY 178 EAST OF
LAKE ISABELLA DUE TO
HEAVY THUNDERSTORM RAINS.
HAIL 1/2 INCH WITH RAIN.
0804 PM MOJAVE CA FLASH FLOOD
09/03/97 KERN SHEET FLOW AND FLASH FLOOD
INTO WEST / NORTH PORTIONS
OF MOJAVE. 4 FOOT DEEP
WATER...CARS FLOATED. NO
INJURIES OR FATALITIES.
0745 AM NEAR TEHACHAPI CA LIGHTNING
09/02/97 KERN DAMAGE TO WATER WELL AND
POWER TRANSFORMER
0330 PM ROSAMOND CA 0.75 INCH HAIL
09/02/97 KERN NO DAMAGE REPORTED
0600 PM NEAR KERNVILLE CA HAIL
09/02/97 KERN HILLS 3 NE KERNVILLE WHITE
WITH HAIL COVER. SIZE
UNKNOWN BUT VERY LARGE BY
WSR-88D ALGORITHMS.
0830 PM RIDGECREST CA FLOODING
09/02/97 KERN LOCALLY HEAVY RAIN WITH
THUNDERSTORMS BROUGHT
1.11 INCHES IN 30 MINS.
NUMEROUS INTERSECTIONS
FLOODED WITH 2-6 MUD.
HAIL 1/2 INCH WITH RAIN.
IN MOUNTAINS WEST OF AREA
0.90 INCH FELL IN 8 MINS.
DAN GUDGEL...WCM
NWSO SAN JOAQUIN VALLEYNearby
Severe Thunderstorm Warnings in California, 1997Every severe thunderstorm warning in 1997
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.