Alert archive / Washington / Freeze Warnings in 2016

Freeze Warning 3, NWS Pendleton, OR

March 18, 2016Umatilla County, Oregon; Columbia County, Walla Walla County, Washington

NWS Pendleton, OR issued this freeze warning at Mar 18, 2016, 8:47 AM PDT for Umatilla County, Oregon; Columbia County, Walla Walla County, Washington. It took effect at Mar 19, 2016, 1:00 AM PDT. It was in force for 8 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: Mar 18, 2016, 8:47 AM PDT (15:47 UTC)
In effect from: Mar 19, 2016, 1:00 AM PDT
Expired: Mar 19, 2016, 9:00 AM PDT
In force: 8 hr
Issued by: NWS Pendleton, OR

Counties Umatilla County, OR, Columbia County, WA, Walla Walla County, WA

The radar

The Pendleton radar (KPDT), 54 km from the middle of the area, began a volume at 15:50 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.

What forecasters said that day

The local office's own words before this freeze warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Pendleton, OR wrote its last area forecast discussion before this freeze warning went out at Mar 17, 2:30 PM PDT, 18 hours 17 minutes earlier.

Area forecast discussion, Mar 17, 2:30 PM PDT, 18 hours 17 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PENDLETON OR
230 PM PDT THU MAR 17 2016

.SHORT TERM...TONIGHT THROUGH SUNDAY NIGHT...RIDGE OF HIGH PRESSURE
OFF THE COAST WILL MOVE INLAND AND OVER THE PACIFIC NORTHWEST ON
FRIDAY AND SATURDAY. THIS WILL BRING SOME WARMER TEMPERATURES TO THE
FORECAST AREA. HOWEVER...TONIGHT TEMPERATURES WILL DROP BELOW
FREEZING SO WILL ISSUE A FREEZE WARNING FOR PORTIONS OF THE BLUE
MOUNTAIN FOOTHILLS AND THE COLUMBIA GORGE. THE RIDGE WILL BEGIN TO
SHIFT TO THE EAST ON SUNDAY ALLOWING A WEATHER SYSTEM TO BRING
MOISTURE AND PRECIPITATION BACK INTO THE FORECAST AREA.

.LONG TERM...A LARGE SCALE TROUGH WILL MOVE INTO THE AREA ON MONDAY
WITH COOL...BREEZY AND SLIGHTLY UNSTABLE CONDITIONS LEADING TO
SHOWERS THROUGH TUESDAY. THE TROUGH WILL BE MOVING EAST OF THE AREA
ON BY LATE TUESDAY AS A RIDGE APPROACHES FROM THE WEST WITH
NORTHERLY FLOW AND SOME SHOWERS OVER THE MOUNTAINS THROUGH THURSDAY.
TEMPERATURES WILL BE NEAR SEASONAL LEVELS. 93

&&

.AVIATION...00Z TAFS...VFR CONDITIONS WILL PREVAIL OVER THE NEXT 24
HOURS. MOSTLY CLEAR SKIES AND LIGHT WINDS AS A RIDGE OF HIGH
PRESSURE REMAINS OVER THE AREA. 93

&&

.PRELIMINARY POINT TEMPS/POPS...
PDT  27  56  32  59 /   0   0   0   0
ALW  30  58  37  61 /   0   0   0   0
PSC  28  59  33  60 /   0   0   0   0
YKM  28  59  33  62 /   0   0   0   0
HRI  27  58  31  59 /   0   0   0   0
ELN  27  55  32  59 /   0   0   0   0
RDM  22  57  29  61 /   0   0   0   0
LGD  23  53  31  57 /   0   0   0   0
GCD  26  56  31  61 /   0   0   0   0
DLS  31  60  37  61 /   0   0   0   0

&&

.PDT WATCHES/WARNINGS/ADVISORIES...
OR...FREEZE WARNING FROM 11 PM THIS EVENING TO 9 AM PDT FRIDAY FOR
     ORZ041-507.

WA...FREEZE WARNING FROM 11 PM THIS EVENING TO 9 AM PDT FRIDAY FOR
     WAZ024-029.

&&

FOR ADDITIONAL WEATHER INFORMATION, CHECK OUR WEB SITE AT...
WWW.WEATHER.GOV/PENDLETON

91/93/93

Nearby

Freeze Warnings in Washington, 2016 Freeze Warnings in Oregon, 2016 Every freeze warning in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.