38 inch of rain (from the 15th through the 16th) to Lodgepole in Sequoia National Park. |A strong thunderstorm developed over northwestern San Bernardino County during the|afternoon of July 15th.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS HNX wrote it up.
In the Southern Sierra Nevada, showers and thunderstorms brought a 2-day total of 0.38 inch of rain (from the 15th through the 16th) to Lodgepole in Sequoia National Park. 0.04 inch of rain fell at Mountain Mesa on the south shore of Lake Isabella on July 15th, and hail was reported covering the ground near Florence Lake on the 16th.|A strong thunderstorm developed over northwestern San Bernardino County during the|afternoon of July 15th. As the thunderstorm collapsed, outflow winds as high as 60 mph roared through the southeastern Kern County desert, affecting Edwards AFB, Boron and Rosamond. Power lines were knocked down, and roof damage was reported at the Base. Outflow winds generated secondary showers and thunderstorms over the Kern County deserts during the evening of the 15th. The National Test Pilots School in Mojave reported 0.70 inch of rain in only a 6-hour period. Edwards AFB and Randsburg reported storm totals around two-tenths of an inch of rain.|Afternoon thunderstorms continued over the Southern Sierra Nevada daily through July 18th. One thunderstorm moved over the Ansel Adams Wilderness Area in eastern Madera and Mariposa Counties during the evening of July 17th. Although National Weather Service Doppler Radar estimated the rain rate at up to 4 inches per hour, no flash flooding was reported.
The local office's own words before the first event, 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 the first event at Jul 15, 1:41 PM PST, 2 hours 49 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA 241 PM PDT THU JUL 15 2010 .SYNOPSIS... HIGH PRESSURE RIDGING ALOFT WILL DOMINATE THROUGH THE WEEKEND. TRIPLE DIGIT HEAT IS EXPECTED IN THE SAN JOAQUIN VALLEY...LOWER FOOTHILLS AND THE KERN COUNTY DESERT. ISOLATED AFTERNOON AND EARLY EVENING THUNDERSTORMS ARE POSSIBLE NEAR THE SIERRA CREST EACH DAY THROUGH AT LEAST SATURDAY. && .DISCUSSION...THE RIDGE OF HIGH PRESSURE OVER THE FOUR CORNERS REGION WILL CONTINUE TO BUILD WESTWARD INTO CALIFORNIA THROUGH SATURDAY. THE FLOW AROUND THE HIGH IS BRINGING SOME MID LEVEL SUBTROPICAL MOISTURE INTO THE REGION THIS AFTERNOON RESULTING IN ISOLATED THUNDERSTORMS DEVELOPING OVER THE MOUNTAINS. THERE IS STILL A SLIGHT CHANCE OF THUNDERSTORMS IN THE KERN COUNTY DESERT THIS AFTERNOON AND EVENING AS WELL. THE MOISTURE WILL REMAIN OVER THE REGION FRIDAY TO CONTINUE THE CHANCE OF THUNDERSTORMS OVER THE MOUNTAINS AND POSSIBLY BRINGING A FEW MID LEVEL CLOUDS OVER THE SAN JOAQUIN VALLEY. TEMPERATURES SO FAR TODAY ARE RUNNING UP 2-5 DEGREES ABOVE 24 HRS AGO IN THE SAN JOAQUIN VALLEY..WHICH WILL PUT MOST PLACES INTO THE TRIPLE DIGITS. TEMPERATURES WILL WARM A FEW MORE DEGREES FRIDAY AND SATURDAY...WITH TEMPERATURES 104-108 ACROSS MUCH OF THE VALLEY...LOWER FOOTHILLS AND DESERT AREAS BY SATURDAY. HOWEVER TEMPERATURES ARE NOT EXPECTED TO REACH RECORD LEVELS. HEAT INDICES ARE EXPECTED TO BE NEAR OR SLIGHTLY BELOW THE TEMPERATURES FRIDAY AND SATURDAY. TEMPERATURES WILL REMAIN QUITE HOT ON SUNDAY...BUT DRIER AIR WILL BEGIN TO WORK ITS WAY IN...LOWERING HUMIDITIES AND HEAT INDICES. A LOW PRESSURE TROUGH BEGINS TO DIG INTO THE REGION FROM THE PACIFIC NORTHWEST MONDAY...SHUNTING THE REMAINING MOISTURE EASTWARD AND BRINGING SOME RELIEF FROM THE HOT TEMPERATURES. MAX TEMPERATURES IN THE SAN JOAQUIN VALLEY WILL DROP BELOW 100 BY TUESDAY...THEN REMAIN NEAR NORMAL THROUGH THURSDAY. && .AVIATION... INCREASING MOISTURE WILL RESULT IN ISOLATED THUNDERSTORMS DEVELOPING EACH AFTERNOON OVER THE MOUNTAINS AND HIGH DESERT. OTHERWISE...VFR CONDITIONS WILL PREVAIL ACROSS THE CENTRAL CALIFORNIA INTERIOR THROUGH 00Z SATURDAY. && .AIR QUALITY ISSUES... ON THURSDAY JULY 15 2010... UNHEALTHY FOR SENSITIVE GROUPS IN FRESNO... KERN AND TULARE COUNTIES. FURTHER INFORMATION IS AVAILABLE AT VALLEYAIR.ORG && .HNX WATCHES/WARNINGS/ADVISORIES... NONE. && PUBLIC...BEAN AVN/FW...MV SYNOPSIS...PJ WEATHER.GOV/HANFORD
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA 501 AM PDT THU JUL 15 2010 CAZ096-097-161200- SIERRA NEVADA FROM YOSEMITE TO KINGS CANYON- TULARE COUNTY MOUNTAINS- 501 AM PDT THU JUL 15 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE HIGHER ELEVATIONS OF THE SOUTHERN SIERRA NEVADA. .DAY ONE...TODAY AND TONIGHT ISOLATED AFTERNOON AND EVENING THUNDERSTORMS ARE POSSIBLE. NO SEVERE THUNDERSTORMS ARE EXPECTED. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY ISOLATED AFTERNOON AND EVENING THUNDERSTORMS ARE POSSIBLE AGAIN FRIDAY AND SATURDAY. NO SEVERE THUNDERSTORMS ARE EXPECTED. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTER ACTIVATION WILL NOT BE NEEDED. WEATHER SPOTTERS ARE ENCOURAGED TO REPORT ANY SIGNIFICANT OR UNUSUAL CONDITIONS TO THE NATIONAL WEATHER SERVICE. WEATHER.GOV/HANFORD CAZ095-098-099-161200- KERN COUNTY MOUNTAINS-INDIAN WELLS VALLEY- SOUTHEASTERN KERN COUNTY DESERT- 501 AM PDT THU JUL 15 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE KERN COUNTY MOUNTAINS AND DESERTS. .DAY ONE...TODAY AND TONIGHT ISOLATED AFTERNOON AND EVENING THUNDERSTORMS ARE POSSIBLE. NO SEVERE THUNDERSTORMS ARE EXPECTED. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY ISOLATED AFTERNOON AND EVENING THUNDERSTORMS ARE POSSIBLE AGAIN FRIDAY. NO SEVERE THUNDERSTORMS ARE EXPECTED. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTER ACTIVATION WILL NOT BE NEEDED. WEATHER SPOTTERS ARE ENCOURAGED TO REPORT ANY SIGNIFICANT OR UNUSUAL CONDITIONS TO THE NATIONAL WEATHER SERVICE. WEATHER.GOV/HANFORD
The national radar mosaic for the moment the first event began.
1 thunderstorm wind. Local standard time, as filed.
Officials reported wind damage from thunderstorm winds estimated at 60 mph. Power interruptions and damages occurred to rooftop HVAC and roof membrane materials. Damages were estimated at 10,000 dollars by military officials.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in California in 2010Every state in 2010This day in weather historyWarnings in California, July 2010
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 254578.