1 flood, as filed by the National Weather Service.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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 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 May 11, 8:43 PM PST, 4 hours 17 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA 943 PM PDT THU MAY 11 2006 .UPDATE...UPPER VORT MOVING THROUGH THE REGION TONIGHT WILL ALLOW FOR MORE OF A ZONAL FLOW ACROSS THE REGION THROUGH THE SHORT TERM. GRADUAL HEIGHT RISES EXPECTED BY SUNDAY WITH SW FLOW ALOFT AND CROSS SECTIONS INDICATING HIGH AND MID LEVEL CLOUDS ACROSS THE AREA FRIDAY EVENING INTO MIDDAY SATURDAY. GFS IS MORE AGGRESSIVE WITH CLOUD COVER THAN THE NAM. HAVE MADE SOME MINOR ADJUSTMENTS TO THE FRI PM MIN TEMPS UPWARD. GUIDANCE IS COOLING THE VALLEY FLOOR OFF A FEW DEGREES ON SATURDAY BASED ON UPPER VORT MAX MOVING THROUGH. ISSUED FLS TO COVER WARNING AT POHONO BRIDGE AND HIGH LEVELS AT OUR OTHER FORECAST POINT ON THE MERCED RIVER AT STEVINSON. ALSO THE SAN JOAQUIN RIVER AT NEWMAN IS RUNNING HIGH. CURRENT FORECAST IS FOR THE POHONO BRIDGE TO FLOOD FRIDAY NIGHT INTO SATURDAY MORNING. && .PREV DISCUSSION... (ISSUED 235 PM PDT THU MAY 11 2006) SHORT TERM...MAIN CONCERN FOR THE SHORT TERM PERIOD IS SNOW MELT RUN OFF IN THE MERCED RIVER AS IT IS EXPECTED TO REACH FLOOD STAGE AT POHONO BRIDGE TONIGHT. FLOOD WARNING ISSUED EARLIER TODAY COVERS THIS. OTHERWISE...DRY UPPER RIDGING STILL HOLDING STRONG OVER CA TODAY. WV LOOP INDICATING SOME UPPER SUB TROPICAL MOISTURE STREAMING INTO CENTRAL CA WHICH HAS MAINLY BEEN THIN CIRRUS. TEMPS HAVE BEEN RUNNING 3 TO 5 DEG F ABOVE YDAY AT MOST LOCATIONS...RESULTING IN OUR WARMEST AFTERNOON OF 2006 SO FAR. 12Z MODELS SUGGEST THE RIDGE SHIFTS EASTWARD A BIT ON FRIDAY AS SHORTWAVE ENERGY STREAMS INTO THE PAC NW. HEIGHTS AND DIURNAL THICKNESSES REMAIN STATUS QUO UNTIL FRIDAY NIGHT AND SATURDAY WHEN AN UPPER TROUGH DEEPENS OFFSHORE. THIS WILL RESULT IN A FEW DEGREES OF SYNOPTIC COOLING ACROSS OUR AREA IN ADDITION TO SOME MARINE INFLUENCED COOLING MAINLY IN THE SAN JOAQUIN VALLEY AS SURFACE P-GRADS TURN ONSHORE AND STRENGTHEN... ALLOWING FOR SOME LOW LEVEL MARINE INTRUSION INTO THE VALLEY FRIDAY NIGHT. 12Z GFS/NAM INDICATING THE RIDGE AMPLIFYING ON SATURDAY NIGHT AND SUNDAY...RESULTING IN A SLIGHT WARMUP AGAIN BY SUNDAY AS HEIGHTS AND THICKNESSES REBOUND. LONG TERM...FOR SUNDAY NIGHT THROUGH THURSDAY...MODELS GENERALLY MAINTAIN THE DRY AND WARM PATTERN OVER THE REGION THROUGH THE EXTENDED PERIOD. UPPER RIDGE WILL REMAIN OVER THE WESTERN US THROUGHOUT THE EXTENDED PERIOD...WITH A FEW POSSIBLE FLUCTUATIONS. GFS SUGGESTS A WEAK SHORTWAVE RIDING OVER THE RIDGE MAY BRING A SLIGHT COOLDOWN MONDAY...MAINLY OVER NORTHERN PORTIONS OF THE DISTRICT...WITH TEMPERATURES THEN RECOVERING THROUGH MIDWEEK. BY THE END OF THE EXTENDED PERIOD...THERE IS A SUGGESTION THAT THE WESTERN US RIDGE MAY BEGIN TO SHIFT EASTWARD AS THE EAST PACIFIC TROUGH SWINGS TOWARD THE COAST...BUT THERE IS A MODERATE AMOUNT OF UNCERTAINTY WITH THIS SOLUTION. FOR NOW...THE FORECAST JUST SHOWS A DEGREE OR SO OF COOLING FOR THURSDAY. BOTTOM LINE IS...CONTINUED WARM AND DRY THROUGH THE PERIOD WITH TEMPERATURES REMAINING WELL ABOVE SEASONAL AVERAGES. THE WARM TEMPERATURES WILL CONTINUE TO PRODUCE INCREASED RUNOFF FROM SNOWMELT...AND AREA RIVERS AND STREAMS WILL CONTINUE TO RUN HIGH...FAST AND COLD. AVIATION...VFR CONDITIONS CAN BE EXPECTED THROUGH 00Z SATURDAY. FOR SPECIFIC DETAILS...PLEASE REFER TO TAFS FOR KMCE...KFAT AND KBFL. && .HNX WATCHES/WARNINGS/ADVISORIES...FLOOD WARNING FOR THE MERCED RIVER AT POHONO (SEE SFOFLSUSJ FOR DETAILS)... && JDB
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA 310 PM PDT THU MAY 11 2006 CAZ096-121200- SIERRA NEVADA FROM YOSEMITE TO KINGS CANYON- 310 PM PDT THU MAY 11 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE SOUTHERN SIERRA NEVADA FROM YOSEMITE TO KINGS CANYON. .DAY ONE...TODAY A FLOOD WARNING IS IN EFFECT UNTIL 10 AM FRIDAY MORNING FOR THE MERCED RIVER AT POHONO BRIDGE IN YOSEMITE NATIONAL PARK. PLEASE REFER TO THE LATEST FLOOD WARNING /SFOFLWUSJ...WGUS46/ FOR MORE INFORMATION. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY THE FLOOD WARNING WILL REMAIN IN EFFECT THROUGH FRIDAY MORNING. HOWEVER...THE WARNING MAY BE EXTENDED DUE TO CONTINUED HIGH RIVER FLOWS. OTHERWISE NO HAZARDOUS WEATHER IS EXPECTED THROUGH THE PERIOD. SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS TO THE SAN JOAQUIN VALLEY NATIONAL WEATHER SERVICE OFFICE. CAZ089>095-097>099-121200- WEST CENTRAL SAN JOAQUIN VALLEY-EAST CENTRAL SAN JOAQUIN VALLEY- SOUTHWESTERN SAN JOAQUIN VALLEY-SOUTHEASTERN SAN JOAQUIN VALLEY- MARIPOSA MADERA AND FRESNO COUNTY FOOTHILLS-TULARE COUNTY FOOTHILLS- KERN COUNTY MOUNTAINS-TULARE COUNTY MOUNTAINS-INDIAN WELLS VALLEY- SOUTHEASTERN KERN COUNTY DESERT- 310 PM PDT THU MAY 11 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE CENTRAL AND SOUTHERN SAN JOAQUIN VALLEY...THE SIERRA NEVADA FOOTHILLS...THE TULARE COUNTY MOUNTAINS...AND THE KERN COUNTY MOUNTAINS AND DESERT. .DAY ONE...TODAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .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 THE SAN JOAQUIN VALLEY NATIONAL WEATHER SERVICE OFFICE. JWM
The national radar mosaic for the moment the first event began.
1 flood. Local standard time, as filed.
A brief spike close to the 10.0 Stage Height for the Pohono River Gage occurred very early on the morning of the 12th marking the start of the diurnal flooding on the Yosemite Valley Floor for the Spring 2006 snowmelt season.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in California in 2006Every state in 2006This day in weather historyWarnings in California, May 2006
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: 5509838.