Alert archive / California / Flash Flood Warnings in 1996

Flash Flood Warning 2, NWS Medford, OR

July 14, 1996Modoc County, California

NWS Medford, OR issued this flash flood warning at Jul 14, 1996, 2:20 PM PDT for Modoc County, California. It was in force for 65 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
Jul 14, 1996, 2:20 PM PDT (21:20 UTC)
Expired
Jul 14, 1996, 3:25 PM PDT
In force
65 min
Issued by
NWS Medford, OR
Area
Whole counties

County Modoc County, CA

The nearest sounding before it

Medford/Jackson, OR (KMFR), launched 12:00Z, 9.3 hours before the alert went out and 192 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, Medford/Jackson, OR at 12:00Z on 1996-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Medford/Jackson, OR at 12:00Z on 1996-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -10 square meters per square second.1939Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2583 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-10 m²/s²
0-3 km storm-relative helicity
57 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 KMFR 142126
FFWMFR
CAC049-142225-

BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MEDFORD OR
220 PM PDT SUN JUL 14 1996

THE NATIONAL WEATHER SERVICE IN MEDFORD OR HAS ISSUED A FLASH FLOOD
WARNING EFFECTIVE UNTIL 325 PM PDT FOR PEOPLE IN THE FOLLOWING
LOCATIONS...

IN NORTHEAST CALIFORNIA

  ...SOUTHEASTERN MODOC COUNTY

AT 210 PM A WEATHER SPOTTER REPORTED HEAVY RAIN AND FLOODING 
THAT CAUSED A ROCKSLIDE NEAR EAGLEVILLE. THIS FLOODING WAS CAUSED BY
A SLOW MOVING THUNDERSTORM IN THE AREA. THIS THUNDERSTORM WILL MOVE
SLOWLY TO THE NORTHEAST OVER THE NEXT HOUR.

The office that day

Everything else NWS Medford, OR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 13, 5:01 PM PDTSevere Thunderstorm WarningMFRSiskiyou49 min
Jul 13, 5:25 PM PDTFlash Flood WarningMFRSiskiyou2 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.