Alert archive / California / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 2, NWS Hanford, CA
NWS Hanford, CA issued this severe thunderstorm warning at Jul 31, 2003, 4:00 PM PDT for Kern County, California. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 31, 2003, 4:00 PM PDT (23:00 UTC)
- Expired
- Jul 31, 2003, 4:30 PM PDT
- In force
- 30 min
- Issued by
- NWS Hanford, CA
- Area
- Counties, with a storm outline in the text
County Kern County, CA
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The text
As transmitted, in the capitals the NWS used until 2016.
165 WUUS56 KHNX 312300 SVRHNX CAC029-312330- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY CA 359 PM PDT THU JUL 31 2003 THE NATIONAL WEATHER SERVICE IN HANFORD CA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN KERN COUNTY IN CENTRAL CALIFORNIA * UNTIL 430 PM PDT * AT 352 PM PDT...DOPPLER RADAR SHOWED A SEVERE THUNDERSTORM OVER EDWARDS AFB...MOVING NORTHWEST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE... RURAL SOUTHEASTERN KERN COUNTY IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER AWAY FROM CREEK BEDS AND OTHER FLOOD-PRONE AREAS. REMEMBER...A SEVERE THUNDERSTORM CAN PRODUCE LARGE DAMAGING HAIL...DAMAGING WINDS IN EXCESS OF 55 MPH...DEADLY LIGHTNING...AND VERY HEAVY RAIN. REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN HANFORD CA. LAT...LON 3494 11801 3481 11785 3505 11752 3521 11771
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 Jul 31, 2:50 PM PDT, 1 hour 10 minutes earlier.
Area forecast discussion, Jul 31, 2:50 PM PDT, 1 hour 10 minutes before
INTERIOR CENTRAL CALIFORNIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE HANFORD CA 250 PM PDT THU JUL 31 2003 SIGNIFICANT VARIATION IN TEMPERATURE ACROSS THE CWFA WHERE PERSISTENT CLOUD COVER IS INHIBITING TEMPERATURE RISES ... PRIMARILY OVER THE CENTRAL SAN JOAQUIN VALLEY AND ADJACENT MOUNTAIN AREAS. SOUTH VALLEY...KERN MOUNTAINS...AND KERN DESERTS RECEIVING MORE HEATING AND CURRENT SHORT-TERM CONCERN IS DEVELOPING CONVECTIVE ACTIVITY THOSE AREAS. INTERESTING TO NOTE FRESNO IS IN CATCH-UP RACE TO REACH 100 DEG DAY DUE TO LINGERING CLOUDINESS. PER PREVIOUS DISCUSSION MOIST MONSOONAL MOISTURE IN SOUTHEAST WIND FLOW ALOFT PERSISTING THROUGH MID-DAY SATURDAY. HIGH PRESSURE PROGGED TO MOVE EASTWARD AS A TROF DEVELOPS IN THE EAST PACIFIC ON TUESDAY. VEERING OF THE WIND FLOW NOT TO BE FAST BUT DOES PICKUP SOME WESTERLY COMPONENT LATE SUNDAY. DRYING WILL BE SLOW. EXPECT MOUNTAINS AND DESERTS TO BE THE SLOWEST TO DRY THUS KEEPING THREAT OF AFTERNOON CONVECTION THOSE AREAS FRIDAY AND SATURDAY AND EVEN THE NORTH PORTION OF CA ZN96...YOSEMITE AREA...ON SUNDAY. LOW PRESSURE WILL SET UP NEAR N40/W130 BY MONDAY MORNING. ESTABLISHED SOUTHWEST FLOW ALOFT TO FINALLY BRING DRYING MONDAY FOR ENTIRE CWFA. INSTABILITY INDICES STILL CONTINUE THREAT FOR SEVERE WEATHER IN KERN DESERTS PER DISCUSSION THIS MORNING. SATELLITE IMAGERY AT POST TIME SHOWS CELLS FAR SOUTHEAST CORNER OF KERN COUNTY MOVING NORTHWEST WITH MORE TYPICAL DEVELOPMENT OF CONVECTION OVER KERN MOUNTAINS AND SOUTHERN SIERRA NEVADA. SLIGHT CHANCE OF THUNDERSTORMS OVER SJ VALLEY LOCATIONS DUE TO UPPER FLOW MOVING CELLS OFF HIGHER TERRAIN AND OVER VALLEY. GUDGEL FOR THE EXTENDED FORECAST PERIOD MONDAY THROUGH THURSDAY...H5 LOW PROGGED TO REMAIN NEAR 40N/130W WITH RIDGE OF HIGH PRESSURE ALONG AZ/NM BORDER THROUGH THE PERIOD. WILL CONTINUE DRY CONDITIONS FROM PREVIOUS FCST AS GENERAL PATTERN OF SOUTHWEST FLOW ALOFT REMAINS IN PLACE ACROSS CWFA. EXPECT TEMPERATURES TO START NEAR SEASONAL NORMALS. GFS BRINGS WEAK SHORT WAVE AROUND THE LOW INTO EXTREME NORCAL MONDAY NIGHT... BRINGING A PUSH OF MARINE AIR INTO THE SAN JOAQUIN VALLEY. ANOTHER WAVE IS TIMED FOR WEDNESDAY NIGHT...BUT IS PROGGED TO MOVE ACROSS CENTRAL CA. THIS WILL RESULT IN FALLING HEIGHTS/THICKNESSES ACROSS ENTIRE CWFA FOR GOOD SYNOPTIC COOLING ALL AREAS. MENDENHALL .HNX...NONE.
Hazardous weather outlook, Jul 31, 5:30 AM PDT, 10 hours 30 minutes before
CAZ089>099-011230- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA 530 AM PDT THU JUL 31 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE CENTRAL CALIFORNIA INTERIOR. .DAY ONE...TODAY THERE IS A CHANCE OF THUNDERSTORMS OVER PORTIONS OF THE SOUTHERN SIERRA NEVADA...THE KERN COUNTY DESERTS...AND THE CENTRAL AND SOUTHERN SAN JOAQUIN VALLEY. ANY OF THESE THUNDERSTORMS MAY CONTAIN GUSTY WINDS...DANGEROUS LIGHTNING...AND BRIEF HEAVY RAINFALL. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS TO THEIR LOCAL NATIONAL WEATHER SERVICE OFFICE.
In the hours before
Local storm report, Jul 31, 10:04 AM PDT, 5 hours 56 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY CA
1004 AM PDT THU JUL 31 2003
TIME(PDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0245 PM EDWARDS AFB CA DOWNBURST
07/30/03 KERN WIND GUST TO 78 MPH CAUSED
MINOR DAMAGE
GUDGELNearby
Severe Thunderstorm Warnings in California, 2003Every severe thunderstorm warning in 2003
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.