Alert archive / Oregon / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 9, NWS Medford, OR

July 29, 1996Jackson County, Oregon

NWS Medford, OR issued this severe thunderstorm warning at Jul 29, 1996, 7:58 PM PDT for Jackson County, Oregon. It was in force for 62 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 29, 1996, 7:58 PM PDT (02:58 UTC)
Expired
Jul 29, 1996, 9:00 PM PDT
In force
62 min
Issued by
NWS Medford, OR
Area
Whole counties

County Jackson County, OR

The radar

The Medford radar (KMAX), 39 km from the middle of the area, began a volume at 02:59 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

Medford/Jackson, OR (KMFR), launched 00:00Z, 3.0 hours before the alert went out and 9 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 00:00Z on 1996-07-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1168 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, Medford/Jackson, OR at 00:00Z on 1996-07-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 square meters per square second.193958Sfc1 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
1168 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
2788 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
84 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 300302
SVRMFR
ORC029-300400-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEDFORD OR
758 PM PDT MON JUL 29 1996

THE NATIONAL WEATHER SERVICE IN MEDFORD OR HAS ISSUED A SEVERE
THUNDERSTORM WARNING EFFECTIVE UNTIL 900 PM PDT FOR PEOPLE IN THE
FOLLOWING LOCATIONS...

IN SOUTHWEST OREGON

  ...CENTRAL AND NORTHERN JACKSON COUNTY

MEDFORD DOPPLER RADAR AND SPOTTER REPORTS INDICATE THAT SEVERE
THUNDERSTORMS CONTINUE ACROSS CENTRAL AND NORTHERN JACKSON COUNTY.
THE STRONGEST STORM WAS 2 MILES EAST OF GOLD HILL AND MOVING TO THE
EAST-NORTHEAST AT 10 MPH. 

WIND DAMAGE HAS BEEN REPORTED WITH THIS STORM IN THE GOLD HILL
VICINITY. RESIDENTS AND MOTORISTS ALONG HIGHWAY 234 BETWEEN GOLD HILL
AND SAMS VALLEY SHOULD TAKE SHELTER FROM THIS STORM IMMEDIATELY. 

SEEK SHELTER IN A STRONG BUILDING...BUT STAY AWAY FROM WINDOWS.

IF THREATENING WEATHER DEVELOPS OR APPROACHES YOUR LOCATION ...BE
PREPARED TO MOVE TO SAFETY QUICKLY.

CRAWFORD

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 8:32 PM PDTSevere Thunderstorm WarningMFRJackson63 min

Nearby

Severe Thunderstorm Warnings in Oregon, 1996Every severe thunderstorm 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.