Alert archive / Oregon / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 13, NWS Medford, OR

August 26, 1996Jackson County, Oregon

NWS Medford, OR issued this severe thunderstorm warning at Aug 26, 1996, 6:37 PM PDT for Jackson County, Oregon. It was in force for 33 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: Aug 26, 1996, 6:37 PM PDT (01:37 UTC)
Expired: Aug 26, 1996, 7:10 PM PDT
In force: 33 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 01:40 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, 1.6 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3844 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 6 m²/s²
0-3 km storm-relative helicity: 67 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 270139
SVRMFR
ORC029-270210-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEDFORD OR
637 PM PDT MON AUG 26 1996

THE NATIONAL WEATHER SERVICE IN MEDFORD OR HAS ISSUED A SEVERE
THUNDERSTORM WARNING EFFECTIVE UNTIL 710 PM PDT FOR PEOPLE IN THE
FOLLOWING LOCATIONS...

IN SOUTHWEST OREGON

  ...NORTH CENTRAL JACKSON COUNTY

WEATHER SERVICE RADAR DETECTED A SEVERED THUNDERSTORM 5 MILES NORTH
OF MEDFORD IN THE VICTINITY OF TOUVILLE PARK.  THIS STORM IS MOVING TO
THE NORTHWEST AT 15 MILES AN HOUR AND WILL BE IN THE VICINITY GOLD
HILL BY 645 PM.  LARGE HAIL HAS BEEN REPORTED WITH THIS STORM.  HEAVY
RAIN AND GUSTY MAY ALSO ACCOMPANY THE STORM

GETTMAN

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 Medford, OR wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 26, 1:33 PM PDT, 5 hours 4 minutes earlier.

Area forecast discussion, Aug 26, 1:33 PM PDT, 5 hours 4 minutes before

SOUTHWEST OREGON/NORTHEAST CALIFORNIA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MEDFORD OR
130 PM PDT MON AUG 26 1996

BND OF TS CONTS TO MV NWWD OVR THE E SIDE IN THE DIFFLUENT MOIST AREA
TO THE NW OF THE UPR LO. THESE TS SHUD BE MSTLY TO THE N OF CWA BY
TNGT..BUT LINGERING INSTBY MSTR..ALG WITH CLOSE PROXIMITY TO THE LO
WL MNTN THE RISK OF SH/FEW TS ACRS SW/S CNTL ORE THRU TMRW MRNG. AS
IT PASSES TO THE E MARINE..LYR WL DPN AND COOL ALL AREAS INLD BY TUE
AFTN. KRBG SHUD STAY IN THE 70S WITH MR SC CLD CVR. HIPRES BLDS INTO
AREA TUE NGT/WED..SQUASHING THE MARINE LYR AND ALLOWING A LTL WRMG FM
THE CST TO THE E SIDE. UPR RDG BLDS SMWHT THU AHD OF THE E PAC
TROF..THEN TMPS WILL DROP BACK TO NR NML INLD WITH DECENT ONSHR FLOW
AND LWRG THKNS/HGTS WITH SWLY UPR WNDS. CHC OF PCPN WL BE MINIMAL TO
NONE FRI/SAT..AS TROF MINORS OUT. HGTS WL BE TOO HI AND AMS STL TOO
DRY.  BURBACK

.KMAX...VCP21...OPERATIONAL.

.MFR...NONE.

...SEE PDXCCFPDX FOR CODED CITIES FORECAST.

MFR BU 059/089 056/093 057 092200
LMT WU 049/082 048/086 050 0932-0
RBG BU 057/079 053/085 055 092100
4BK EB 054/063 052/067 052 091100
OTH EB 052/066 050/067 051 091-00

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 26, 7:50 PM PDT	Severe Thunderstorm Warning	MFR	Klamath	35 min

Nearby

Severe Thunderstorm Warnings in Oregon, 1996 Every 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.