Alert archive / California / Flash Flood Warnings in 1996

Flash Flood Warning 2, NWS Hanford, CA

May 16, 1996Fresno County, California

NWS Hanford, CA issued this flash flood warning at May 16, 1996, 12:20 PM PDT for Fresno County, California. It was in force for 6 hr. 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 16, 1996, 12:20 PM PDT (19:20 UTC)
Expired
May 16, 1996, 6:00 PM PDT
In force
6 hr
Issued by
NWS Hanford, CA
Area
Whole counties

County Fresno County, CA

The radar

The San Joaquin Valley radar (KHNX), 49 km from the middle of the area, began a volume at 19:24 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, 7.3 hours before the alert went out and 238 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.

Skew-T log-pSkew-T log-p diagram, Vandenberg AFB, CA at 12:00Z on 1996-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 263 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Vandenberg AFB, CA at 12:00Z on 1996-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
263 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
561 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
96 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KFAT 161922
FFWFAT
CAC019-170100-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HANFORD CA
1220 PM PDT THU MAY 16 1996
 
THE NATIONAL WEATHER SERVICE IN HANFORD HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  600 PM PDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN  CALIFORNIA
 
   ...EASTERN FRESNO COUNTY
 
AT NOON...KINGS CANYON NATIONAL PARK OFFICIALS REPORT THAT THE KINGS
RIVER AT CEDAR GROVE WAS RISING. THEY WERE ASKING CAMPERS TO BE AWARE OF
THE RISING WATER ALONG HIGHWAY 180. THE UNOFFICIAL STAGE OF THE KINGS
RIVER AT CEDAR GROVE WAS 8 FEET. THEY BEGIN EVACUATIONS OF CAMPGROUNDS
WHEN THE RIVER STAGE REACHES 9 FEET.
 
SCATTERED SHOWERS WILL CONTINUE INTO THE EVENING AND MAY CAUSE THE KINGS
RIVER TO RISE HIGHER.
 
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT.  IT'S
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR
CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS.  CAMPERS SHOULD>
AVOID CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS.
 
BINGHAM
 
&

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, May 16, 6:42 AM PDT, 5 hours 38 minutes before
CAZ005-010-013-019-170100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
640 AM PDT THU MAY 16 1996

...OUTLOOK FOR SEVERE WEATHER FOR THE CENTRAL CALIFORNIA 7-COUNTY
    FORECAST AREA...

A BROAD TROF OVER THE WEST COAST WILL KEEP UNSETTLED WEATHER OVER
CENTRAL CALIFORNIA TODAY. RAIN SHOWER ACTIVITY WILL CONTINUE TODAY IN
THE SOUTHERN SIERRA NEVADA AND TEHACHAPI MOUNTAINS AND TO A LESSER
EXTENT OVER THE CENTRAL AND SOUTHERN SAN JOAQUIN VALLEY. IN THE KERN
COUNTY DESERTS ISOLATED RAIN SHOWERS WILL ALSO OCCUR.

A NARROW DRY SLOT AS DEPICTED BY SATELLITE IMAGERY WITH AN AXIS OF
INSTABILITY WILL PASS OVER THE FORECAST AREA ABOUT MIDDAY.  WITH COOLER
AIR ALOFT ASSOCIATED WITH THE TROF THUNDERSTORMS ARE LIKELY TODAY.
THE AMOUNT OF CLOUDINESS OVER THE AREA IS EXPECTED TO SUPPRESS
DEVELOPMENT OF SEVERE THUNDERSTORMS BY DENYING THE ADDITIONAL KEY
ELEMENT OF LARGE AREAS OF SURFACE HEATING.
 .
THIS PROGNOSIS OF LESS THAN SEVERE THUNDERSTORMS IS FAR FROM CONFIDENT
SO EMERGENCY MANAGERS ARE ASKED TO KEEP ABREAST OF THE LATEST STATEMENTS
AND BULLETINS FROM THE NATIONAL WEATHER SERVICE. SHOULD LESS CLOUDINESS
OCCUR BY THE LATTER PART OF THE MORNING ISOLATED THUNDERSTORM ACTIVITY
WILL QUICKLY DEVELOP INTO WIDESPREAD CONVECTIVE ACTIVITY AND APPROACH
SEVERE THUNDERSTORM LEVELS.

REMEMBER THAT SEVERE THUNDERSTORMS HAVE WIND IN EXCESS OF 58 MPH...
HAIL AT OR LARGER THAN 3/4 INCH DIAMETER...HEAVY PRECIPITATION INCLUDING
REDUCED VISIBILITY...AND/OR TORNADOES.

STAY TUNED TO NOAA WEATHER RADIO FOR UPDATED WEATHER INFORMATION ON
THIS POTENTIALLY SEVERE WEATHER SITUATION.
 GUDGEL

The office that day

Everything else NWS Hanford, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 16, 12:05 PM PDTFlash Flood WarningHNXMariposa18 hr

Nearby

Flash Flood Warnings in California, 1996Every flash flood warning in 1996

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.