Alert archive / Oregon / Flash Flood Warnings in 1996

Flash Flood Warning 7, NWS Medford, OR

December 7, 1996Jackson County, Oregon

NWS Medford, OR issued this flash flood warning at Dec 7, 1996, 6:15 PM PST for Jackson County, Oregon. It was in force for 13 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: Dec 7, 1996, 6:15 PM PST (02:15 UTC)
Expired: Dec 8, 1996, 7:00 AM PST
In force: 13 hr
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 02:17 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, 2.3 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: 571 m above ground
0-6 km bulk shear: 84 kt
0-1 km storm-relative helicity: 255 m²/s²
0-3 km storm-relative helicity: 422 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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.

NWS Medford, OR wrote its last area forecast discussion before this flash flood warning went out at Dec 7, 3:32 PM PST, 2 hours 43 minutes earlier.

Area forecast discussion, Dec 7, 3:32 PM PST, 2 hours 43 minutes before

SOUTHWEST OREGON/NORTHEAST CALIFORNIA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MEDFORD OR.
230 PM PST SAT DEC 07 1996

RAMSDIS CONTINUES TO SHOW BAROCLINIC BAND BACKING WITH TIME IN
AGREEMENT WITH PROGS TODAY AND BACK EDGE TO RAIN AREA JUST OFF COAST
AS WARM FRONT APPROACHES. FOCUS OF MAIN RAIN AREA TO SHIFT MORE TO
CNTRL CST AND NRTHWRD UNTIL SUN EVE WHEN NEXT SURGE OF RAIN TAKES AIM
AT SW OREGON. WINDS HAVE DECREASED S CST THIS AFTN BUT WILL LIKELY
INCREASE LATER TONIGHT THRU SUN AM AS ANOTHER WV APPROACHES. FRZNG
LVLS REMAIN FAIRLY HIGH THRU MON...NR 7K MON AFTN.   HOLTZ

.KMAX...VCP 21...OPERATING

.MFR...FLOOD WATCH SW ORE ZONES 3..7..8.
       THROUGH SUNDAY.
    ...HIGH WIND WARNING CAPE BLANCO SOUTH LATE TONIGHT AND SUNDAY
       MORNING.

...SEE PDXCCFPDX FOR CODED CITIES FORECAST.

MFR CR 042/054 042/050 040 056589
LMT CR 035/048 038/046 033 055356
RBG RR 045/057 043/050 044 056699
4BK RR 050/059 049/054 043z 057799
OTH RR 049/057 047/054 044 058899
YKA ER 034/056 033/053 032 055268
MHS ER 035/053 036/050 033 055268
S11 BR 030/052 033/050 029 053267

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 7, 7:15 PM PST	Flash Flood Warning	MFR	Jackson	12 hr
Dec 7, 7:55 PM PST	Flash Flood Warning	MFR	Josephine	11 hr
Dec 8, 11:26 AM PST	Flash Flood Warning	MFR	Coos, Curry, Douglas, Jackson, Josephine	4 min

Nearby

Flash Flood Warnings in Oregon, 1996 Every 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.