Alert archive / California / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 13, NWS Hanford, CA
NWS Hanford, CA issued this severe thunderstorm warning at May 4, 1998, 5:54 PM PDT for Kings County, California. It was in force for 31 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
- May 4, 1998, 5:54 PM PDT (00:54 UTC)
- Expired
- May 4, 1998, 6:25 PM PDT
- In force
- 31 min
- Issued by
- NWS Hanford, CA
- Area
- Whole counties
County Kings County, CA
The radar
The San Joaquin Valley radar (KHNX), 31 km from the middle of the area, began a volume at 00:55 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
Vandenberg AFB, CA (KVBG), launched 00:00Z, 0.9 hours before the alert went out and 162 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
- 119 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 952 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 19 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 050054 RRA SVRFAT CAC031-050125- BULLETIN-EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA 554 PM PDT MON MAY 4 1998 THE NATIONAL WEATHER SERVICE IN HANFORD HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN AND WESTERN KINGS COUNTY IN CENTRAL CALIFORNIA * UNTIL 625 PM PDT * AT 550 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 15 SW OF CORCORAN...MOVING NORTHEAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... CORCORAN AT 610 PM PDT THIS IS A DANGEROUS STORM! STAY INDOORS AWAY FROM WINDOWS. KRUZDLO
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 May 4, 2:30 PM PDT, 3 hours 24 minutes earlier.
Area forecast discussion, May 4, 2:30 PM PDT, 3 hours 24 minutes before
INTERIOR CENTRAL CALIFORNIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA 230 PM PDT MON MAY 04 1998 HNX 88-D SHOWS SHWRS AND TSTMS DVLPG W SD SJV OVR NWRN FAT COUNTY AND WRN MCE COUNTY. MODIFIED SOUNDINGS GAVE AFTN LI/S OF -7 TO -9 AND HI CAPES SO POTNL FOR MDT TSTMS THRU EVE HRS. AVN HS COLD POOL WTH TEMPS COLDR THAN -21 C OVR CNTRL CA THRU 18Z WED AND STGST 850 MB RH/OMEGA FIELDS TUE AFTN. 15Z MESO HS 850 MB CAPES OF 700-800 OVR CNTRL CA TUE AFTN AND MODIFIED FCST FAT SNDG FOR 00Z WED GIVES CAPE OF 1500. THUS XPC CONTD CHC AFTN/EVE TSTMS TUE WTH SOM MDT/STG CELLS. UPSLOPE CLDS FORMG S SLOPES TSP MTNS AND CUD SEE SOM SPILL-OVR INTO FAR S END SJV ESPCLY VCNTY TAFT/MARICOPA. SAT PIX SHO WK VORT APRCHG CA CST NR SBA COUNTY. CIRCLN ARND VORT TRIGRG MTN CLDS AND AS VORT MOVS INLND WL SEE SOM SHWRS THS EVE THRU OVRNGT HRS TSP MTNS. SN LVLS WL RNG FM 6.5K FT NR YNP TO 7K FT TSP MTNS WTH LTL CHG THRU FCST PD. SAT LOOP SHOWS UPR LO NR 33N/131W SLOLY MOVG ESEWD TWD CA CST S VBG. NXT SYS...CURR NR 56N/170W...WL BE KICKER TO SPEED 1ST LO ACRS CA TUE/WED. UNSETTLED WX TO CONT INTO WED WTH LTST MRF SHWG UPR LOW OVR CA. DCRSG CHC OF SHWRS THU AS LO SHFTS E. TEMPS TO RMN MILD THRU MIDWK. POPS FAT BFL 8865 YNP 9987. SANGER .HNX...NONE. FAT WE 057/072 053/075 054 90886 BFL WE 056/073 054/076 053 90886 YNP WW 045/053 044/056 043 90998
In the hours before
Local storm report, May 4, 2:27 PM PDT, 3 hours 27 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
0230 PM PST MON MAY 04 1998
TIME(PST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0600 PM 3 NE BAKERSFIELD CA FLOODING
05/02/98 KERN RUNOFF FROM HEAVY RAIN
FLOODED STREETS AND SOME
HOMES IN NE BAKERSFIELD.
1.5" RAIN IN 1 HOUR WITH
HIGHER AMOUNTS LIKELY BASED
ON RADAR ESTIMATES. TRAFFIC
t ACCIDENTS DUE TO HYDROPLANING
HIGHWAY 178 CLOSED.
DAN GUDGEL...WARNING COORDINATION METEOROLOGIST
NWSO SAN JOAQUIN VALLEY CALocal storm report, May 4, 3:30 PM PDT, 2 hours 24 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
0230 PM PST MON MAY 04 1998
TIME(PST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0600 PM 3 NE BAKERSFIELD CA FLOODING
05/02/98 KERN RUNOFF FROM HEAVY RAIN
FLOODED STREETS AND SOME
HOMES IN NE BAKERSFIELD.
1.5 RAIN IN 1 HOUR WITH
HIGHER AMOUNTS LIKELY BASED
ON RADAR ESTIMATES. TRAFFIC
ACCIDENTS DUE TO HYDROPLANING
HIGHWAY 178 CLOSED.
DAN GUDGEL...WARNING COORDINATION METEOROLOGIST
NWSO SAN JOAQUIN VALLEY CAThe office that day
Everything else NWS Hanford, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 6:38 PM PDT | Severe Thunderstorm Warning | HNX | Kings | 37 min |
| May 5, 2:11 PM PDT | Severe Thunderstorm Warning | HNX | Kern | 54 min |
| May 5, 2:23 PM PDT | Severe Thunderstorm Warning | HNX | Fresno, Kings | 57 min |
| May 5, 3:27 PM PDT | Flash Flood Warning | HNX | Kern | 118 min |
| May 5, 4:38 PM PDT | Severe Thunderstorm Warning | HNX | Merced | 47 min |
Nearby
Severe Thunderstorm Warnings in California, 1998Every severe thunderstorm warning in 1998
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.