Alert archive / California / Flash Flood Warnings in 1996
Flash Flood Warning 1, NWS San Diego, CA
NWS San Diego, CA issued this flash flood warning at May 24, 1996, 12:04 PM PDT for San Diego County, California. It was in force for 116 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
- May 24, 1996, 12:04 PM PDT (19:04 UTC)
- Expired
- May 24, 1996, 2:00 PM PDT
- In force
- 116 min
- Issued by
- NWS San Diego, CA
- Area
- Whole counties
County San Diego County, CA
The radar
The San Diego radar (KNKX), 28 km from the middle of the area, began a volume at 19:04 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
San Diego, CA (KNKX), launched 12:00Z, 7.1 hours before the alert went out and 47 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
- 754 m above ground
- 0-6 km bulk shear
- 87 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- -26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAN 241909 FFWSAN CAC073-242100- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM AND FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SAN DIEGO CA 1204 PM PDT FRI MAY 24 1996 THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A SEVERE THUNDERSTORM AND FLASH FLOOD WARNING EFFECTIVE UNTIL 200 PM PDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHWEST CALIFORNIA ...NORTHWESTERN SAN DIEGO COUNTY FALLBROOK FIRE DEPARTMENT REPORTED 1 INCH HAIL WITHIN THE LAST HALF HOUR ALONG WITH BRIEF HEAVY RAIN. HAIL HAS ACCUMULATED TO 3 INCHES DEEP ON THGROUND. SAN DIEGO DOPPLER WEATHER RADAR AND SATELLITE INDICATES SEVERE THUNDERSTORMS WILL CONTINUE IN NORTHWEST SAN DIEGO COUNTY FOR THE NEXT 2 HOURS. SEVERE THUNDERSTORMS CAN PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR STONG WINDS...LARGE HAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIzDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS. SMALL/ATKIN
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 24, 9:43 AM PDT, 2 hours 21 minutes before
CAZ011-012-013-018-020-501-242245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN DIEGO CA 939 AM PDT FRI MAY 24 1996 ...SHOWERS MOVING INTO SAN DIEGO COUNTY... AT 930 AM SAN DIEGO DOPPLER RADAR AND SPOTTERS INDICATED SCATTERED SHOWERS IN NORTHERN SAN DIEGO COUNTY. RAIN WAS REPORTED NEAR FALLBROOK...VALLEY CENTER...RANCHO BERNARDO AND OCEANSIDE. RAINFALL TOTALS WERE LIGHT WITH ONLY A FEW HUNDREDTHS OF AN INCH REPORTED. A COLD STORM APPROACHING FROM THE NORTH WILL CONTINUE SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS IN SAN DIEGO COUNTY TODAY. SOME THUNDERSTORMS MAY HAVE BRIEF HEAVY RAIN...STRONG GUSTY WINDS AND SMALL HAIL. IF THREATENING WEATHER APPROACHES...SEEK SHELTER INDOORS. COLD UNSTABLE AIR WILL CONTINUE TO MOVE OVER SAN DIEGO TODAY. THIS WILL MAINTAIN SCATTERED SHOWERS OR ISOLATED THUNDERSTORMS. THE STORM WILL MOVE SLOWLY NORTHEAST SATURDAY WITH SOME LINGERING SHOWERS...MAINLY IN THE MOUNTAINS AND DESERTS. FAIR AND WARMER FOR THE REMAINDER OF THE MEMORIAL DAY WEEKEND EXCEPT FOR SOME NIGHT AND MORNING COASTAL LOW CLOUDS. ATKIN
Special weather statement, May 24, 10:27 AM PDT, 1 hour 37 minutes before
CAZ011-012-013-018-020-501-242245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN DIEGO CA 1030 AM PDT FRI MAY 24 1996 ...THUNDERSTORMS IN NORTHERN SAN DIEGO COUNTY... AT 1015 AM SAN DIEGO DOPPLER RADAR AND SPOTTERS INDICATED STRONG THUNDERSTORMS OVER MOST OF NORTHERN SAN DIEGO COUNTY. HAIL HAS BEEN REPORTED IN NUMEROUS LOCATIONS...AND IS LOCALLY PILING UP ON THE GROUND LIKE SNOW. RAINFALL AMOUNTS ARE EXPECTED TO BE HIGHLY VARIABLE DUE TO THE WIDESPREAD NATURE OF THE THUNDERSTORMS...HOWEVER AMOUNTS TOTALING AN INCH OR MORE ARE POSSIBLE BY LATE THIS AFTERNOON. A COLD STORM APPROACHING FROM THE NORTH WILL CONTINUE SCATTERED SHOWERS AND THUNDERSTORMS WITH SMALL HAIL IN SAN DIEGO COUNTY THROUGH SATURDAY. SOME THUNDERSTORMS MAY HAVE BRIEF HEAVY RAIN AND STRONG GUSTY WINDS. MOTORISTS TRAVELLING IN THESE AREAS SHOULD REDUCE SPEEDS ON RAIN AND HAIL SLICK ROADS. IF THREATENING WEATHER APPROACHES...SEEK SHELTER INDOORS. SM ALL
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.