Alert archive / California / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 10, NWS Hanford, CA
NWS Hanford, CA issued this severe thunderstorm warning at Apr 27, 2016, 4:20 PM PDT for Kern County, California. It was in force for 27 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
- Apr 27, 2016, 4:20 PM PDT (23:20 UTC)
- Expired
- Apr 27, 2016, 4:47 PM PDT
- In force
- 27 min
- Issued by
- NWS Hanford, CA
- Area
- Storm-based polygon
County Kern County, CA
The radar
The Edwards AFB radar (KEYX), 110 km from the middle of the area, began a volume at 23:21 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 12:00Z, 11.3 hours before the alert went out and 175 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1289 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- -62 m²/s²
- 0-3 km storm-relative helicity
- 22 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Apr 27, 1:28 PM PDT, 2 hours 52 minutes earlier.
Area forecast discussion, Apr 27, 1:28 PM PDT, 2 hours 52 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA 128 PM PDT WED APR 27 2016 .SYNOPSIS... RAINSHOWERS AND THUNDERSTORMS WILL MOVE THROUGH CENTRAL CALIFORNIA THIS AFTERNOON AND INTO THE EVENING. HEAVY RAIN...LIGHTNING...GUDTYWINDS AND HAIL IS POSSIBLE WITH THE THNDERSTORMS. WHEN THUNDER ROARS, GO INDOORS. SKIES WILL CLEAR BY THURSDAY AS WEAK HIGH PRESSURE MOVES IN OVER THE REGION. && .DISCUSSION...SATELLITE IMAGERY SHOWS THE CENTER OF THE INCOMING LOW PRESSURE SYSTEM MOVING SOUTHEAST ACROSS WINE COUNTRY AND RADAR INDICATES THE LEADING EDGE OF SHOWERS AND THUNDERSTORMS NOW APPROACHING MERCED COUNTY FROM THE NORTHWEST. BASED ON TRAJECTORY OF CURRENT ECHOES COMBINED WITH THE HIGH RESOLUTION RAPID REFRESH MODEL'S HOURLY FORECASTS, THIS BAND OF PRECIPITATION WILL MOVE SOUTHEAST ACROSS THE SAN JOAQUIN VALLEY PORTION OF THE FORECAST AREA THIS AFTERNOON AND REACH KERN COUNTY BY LATE IN THE AFTERNOON. MEANWHILE OVER THE SIERRA, AFTERNOON INSTABILITY IS ON THE INCREASE DUE TO HEATING AND THE ADDED LIFT OF THE APPROACHING SYSTEM. WINDS ARE BLOWING THROUGH THE TEHACHAPI PASS AND THE ADJACENT MOJAVE AREA AND WILL CONTINUE THROUGH THE AFTERNOON AND EVENING SO THE WIND ADVISORY WILL REMAIN IN PLACE. EXPECT SCATTERED THUNDERSTORMS THROUGH THE EVENING AS THE ENERGY OF THE INCOMING LOW CONTINUES. OVER KERN COUNTY THE BEST CHANCES OF SHOWERS AND THUNDERSTORMS WILL BE IN THE EVENING AND THEN LINGERING SHOWERS AND HIGH ELEVATION SNOW SHOWERS WILL PERSIST THROUGH THE NIGHT. FORECAST MODELS THEN MOVE THE LOW TO THE EAST ON THURSDAY HOWEVER SOME WRAP AROUND FLOW WILL KEEP A THREAT OF SHOWERS IN THE SIERRA AND KERN COUNTY MOUNTAINS. FOR FRIDAY, A RELATIVELY COOL AND DRY NORTHERLY FLOW IS PROGGED BEFORE THE NEXT SYSTEM DROPS SOUTHWARD INTO THE GREAT BASIN AS AN "INSIDE SLIDER" ON SATURDAY. THIS WILL BRING ADDITIONAL SHOWERS TO THE SIERRA AND POSSIBLY THE EASTERN PORTIONS OF THE KERN COUNTY DESERT IN WRAP AROUND MOISTURE ON SUNDAY. FOR NEXT WEEK, WEAK RIDGING IS PROGGED FOR EARLY IN THE WEEK FOR DRY WEATHER WITH WITH ANOTHER TROUGH OF LOW PRESSURE AND SOME PRECIPITATION CHANCES FOR LATE IN THE WEEK. && .AVIATION... INCREASING CLOUDINESS AND PRECIPITATION CHANCES THIS AFTERNOON WITH IFR CONDITIONS POSSIBLE OVER THE SIERRA NEVADA DUE TO MOUNTAIN OBSCURATIONS. MVFR CONDITIONS....WITH LOCAL IFR....DUE TO CIGS/VSBY ARE POSSIBLE OVER THE SAN JOAQUIN VALLEY AND THE REMAINDER OF THE CENTRAL CALIFORNIA INTERIOR IN SHOWERS AND ISOLATED THUNDERSTORMS FROM THRU 06Z THUR. GUSTY WINDS BELOW THE PASSES OF THE KERN COUNTY MOUNTAINS AND DESERT UNTIL 06Z THU. OTHERWISE...VFR CONDITIONS WILL PREVAIL OVER THE CENTRAL CALIFORNIA INTERIOR DURING THE NEXT 24 HOURS. && .AIR QUALITY ISSUES... NONE. && .CERTAINTY... THE LEVEL OF CERTAINTY FOR DAYS 1 AND 2 IS HIGH. THE LEVEL OF CERTAINTY FOR DAYS 3 THROUGH 7 IS MEDIUM. CERTAINTY LEVELS INCLUDE LOW...MEDIUM...AND HIGH. PLEASE VISIT WWW.WEATHER.GOV/HNX/CERTAINTY.PHP FOR ADDITIONAL INFORMATION AN/OR TO PROVIDE FEEDBACK. && .HNX WATCHES/WARNINGS/ADVISORIES... WIND ADVISORY UNTIL 10 PM PDT THIS EVENING CAZ095-098-099. && PUBLIC...DUDLEY AVN/FW...MV SYNOPSIS...WP WEATHER.GOV/HANFORD
In the hours before
Special weather statement, Apr 27, 3:29 PM PDT, 51 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY CA 329 PM PDT WED APR 27 2016 CAZ089-091-272315- WEST-CENTRAL SAN JOAQUIN VALLEY CA- SOUTHWESTERN SAN JOAQUIN VALLEY CA- 329 PM PDT WED APR 27 2016 THE NATIONAL WEATHER SERVICE IN HANFORD CA HAS ISSUED A SIGNIFICANT WEATHER ADVISORY FOR... NORTH CENTRAL KINGS AND CENTRAL FRESNO COUNTIES UNTIL 415 PM PDT AT 328 PM PDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR LANARE...OR 20 MILES NORTHWEST OF HANFORD...MOVING SOUTHEAST AT 20 MPH. NICKEL SIZE HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... LEMOORE...LANARE...ARMONA...RIVERDALE...LATON...LEMOORE NAS AND CARUTHERS. PRECAUTIONARY/PREPAREDNESS ACTIONS... FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE SHELTER INSIDE A BUILDING OR VEHICLE. && LAT...LON 3640 12010 3657 12002 3649 11963 3618 11978 TIME...MOT...LOC 2228Z 290DEG 16KT 3647 11998 SROWE
Special weather statement, Apr 27, 3:32 PM PDT, 48 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY CA
332 PM PDT WED APR 27 2016
CAZ091-095-272315-
KERN COUNTY MOUNTAINS CA-SOUTHWESTERN SAN JOAQUIN VALLEY CA-
332 PM PDT WED APR 27 2016
THE NATIONAL WEATHER SERVICE IN HANFORD CA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY FOR...
WEST CENTRAL KERN COUNTY
UNTIL 415 PM PDT
AT 331 PM PDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 11
MILES WEST OF DERBY ACRES...OR 41 MILES NORTHEAST OF SANTA MARIA...
MOVING EAST AT 20 MPH.
NICKEL SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.
LOCATIONS IMPACTED INCLUDE...
TAFT...FORD CITY...DERBY ACRES...MCKITTRICK...TAFT HEIGHTS...SOUTH TAFT
AND VALLEY ACRES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.
THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.
&&
LAT...LON 3507 11949 3509 11950 3509 11956 3518 11956
3518 11967 3526 11967 3526 11980 3533 11981
3529 11940 3507 11947
TIME...MOT...LOC 2231Z 290DEG 16KT 3523 11980
SROWESpecial weather statement, Apr 27, 3:37 PM PDT, 43 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY CA 337 PM PDT WED APR 27 2016 CAZ089>091-272315- WEST-CENTRAL SAN JOAQUIN VALLEY CA- SOUTHWESTERN SAN JOAQUIN VALLEY CA-EAST- CENTRAL SAN JOAQUIN VALLEY CA- 337 PM PDT WED APR 27 2016 THE NATIONAL WEATHER SERVICE IN HANFORD CA HAS ISSUED A SIGNIFICANT WEATHER ADVISORY FOR... CENTRAL KINGS...SOUTHWESTERN FRESNO AND SOUTHWESTERN MADERA COUNTIES UNTIL 415 PM PDT AT 337 PM PDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR CANTUA CREEK...OR 39 MILES SOUTHWEST OF FRESNO...MOVING EAST AT 20 MPH. WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... MADERA...KERMAN...MENDOTA...FIREBAUGH...PARKWOOD...TRANQUILLITY...CANTUA CREEK...BIOLA...PARKSDALE...HURON...SAN JOAQUIN...PANOCHE ROAD...FIVE POINTS AND TRANQUILITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE SHELTER INSIDE A BUILDING OR VEHICLE. && LAT...LON 3621 12047 3684 12053 3695 11999 3612 11996 TIME...MOT...LOC 2237Z 280DEG 19KT 3643 12035 SROWE
Special weather statement, Apr 27, 3:55 PM PDT, 25 minutes before
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</html>Local storm report, Apr 27, 4:08 PM PDT, 12 minutes before
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</html>The office that day
Everything else NWS Hanford, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 3:33 AM PDT | Wind Advisory | HNX | 18 hr | |
| Apr 27, 1:00 PM PDT | Special Weather Statement | HNX | Merced | 45 min |
| Apr 27, 1:22 PM PDT | Special Weather Statement | HNX | Merced | 38 min |
| Apr 27, 2:06 PM PDT | Special Weather Statement | HNX | Fresno | 39 min |
| Apr 27, 2:45 PM PDT | Special Weather Statement | HNX | Kings | 45 min |
| Apr 27, 3:04 PM PDT | Severe Thunderstorm Warning | HNX | Fresno | 26 min |
| Apr 27, 3:29 PM PDT | Special Weather Statement | HNX | Kings | 46 min |
| Apr 27, 3:32 PM PDT | Special Weather Statement | HNX | 43 min | |
| Apr 27, 3:37 PM PDT | Special Weather Statement | HNX | 38 min | |
| Apr 27, 3:43 PM PDT | Severe Thunderstorm Warning | HNX | Kern, Kings | 47 min |
| Apr 27, 3:55 PM PDT | Special Weather Statement | HNX | Kings | 50 min |
| Apr 27, 4:08 PM PDT | Special Weather Statement | HNX | Kings | 37 min |
| Apr 27, 4:27 PM PDT | Special Weather Statement | HNX | Fresno | 48 min |
| Apr 27, 4:32 PM PDT | Special Weather Statement | HNX | Merced | 43 min |
| Apr 27, 4:40 PM PDT | Special Weather Statement | HNX | Tulare | 50 min |
| Apr 27, 4:45 PM PDT | Special Weather Statement | HNX | Kern | 45 min |
Nearby
Severe Thunderstorm Warnings in California, 2016Every severe thunderstorm warning in 2016
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.