Wednesday, July 29, 2009

All-Time Record High Temperature in Seattle
Historic Northwest Heat Again Hits Record Levels

For previous record temperature posts, see:
Record Heat
Record Cold


August 1 Update: The National Climatic Data Center report for July may not yet be complete, but it shows a total of 4 new all-time record high temperatures being set and 11 tied in July, for a total of 15. The number of all-time record lows: zero, zilch, nada, bupkis. For July monthly records,
High temperature: 27 new, 38 tied, 65 total
Low temperature: 9 new, 11 tied, 20 total

9 pm PDT Update: The record reports are rolling in from the National Weather Service for the historic heat of July 29 in Washington, Oregon, and Alaska:
 * INDICATES BROKE OR TIED ALL-TIME RECORD  

DAILY ALL-TIME
NEW RECORD OLD RECORD RECORD

SEA-TAC 103* 95 1971 100 7/20 1994

OLYMPIA 104* 96 2003 104 8/09 1981

BELLINGHAM 96* 92 1960 94 7/11 2007
(+2 OTHER DATES)

SEATTLE WFO (SANDPOINT) 105* 95 1998 96 7/20 1994

RECORD WARMEST MINIMUMS FOR WEDNESDAY JULY 29TH 2009

DAILY ALL-TIME
OLD RECORD RECORD

SEA-TAC 71* 63 2003 69 9/02 1974
69 7/28 2009

SEATTLE WFO (SANDPOINT) 71* 63 1996 68 7/22 2006

OLYMPIA 64 58 1982

BELLINGHAM 63 62 1958

THE FOLLOWING ARE PRELIMINARY HIGH TEMPERATURES AS OF 5 PM PDT
07/29/2009.

LOCATION NEW RECORD OLD RECORD ALL-TIME RECORD
================================================================
VANCOUVER 107 97 (2003) 107 (07/29/2009)
PORTLAND AIRPORT 106 100 (2003) 107 (08/10/1981)
PORTLAND DOWNTOWN 105 99 (2003) 106 (08/10/1981)
TROUTDALE 104 104 (1998) 108 (08/18/1977)
SALEM 106 101 (2003) 108 (08/09/1981)
EUGENE 105 101 (2003) 108 (08/09/1981)
HILLSBORO 106 98 (1990) 108 (07/19/1956)
MCMINNVILLE 105 100 (2003) 110 (07/10/1926)
HOOD RIVER 107 103 (2003) 108 (08/18/1977)

A RECORD HIGH TEMPERATURE OF 109 DEGREES WAS SET AT MEDFORD OR
TODAY. THIS BREAKS THE OLD RECORD OF 108 SET IN 2003.

A RECORD HIGH TEMPERATURE OF 104 DEGREES WAS SET AT MONTAGUE CA
TODAY. THIS TIES THE OLD RECORD OF 104 SET IN 2003.

A RECORD HIGH TEMPERATURE OF 106 DEGREES WAS SET AT ROSEBURG OR
TODAY. THIS BREAKS THE OLD RECORD OF 105 SET IN 2003.

A RECORD HIGH TEMPERATURE OF 96 DEGREES WAS SET AT KLAMATH FALLS OR
TODAY. THIS TIES THE OLD RECORD OF 96 SET IN 2003.

A RECORD HIGH MINIMUM TEMPERATURE OF 70 DEGREES WAS SET AT MEDFORD
OR YESTERDAY. THIS TIES THE OLD RECORD OF 70 SET IN 1939.

LOCATION NEW RECORD OLD RECORD YEAR SET

JUNEAU AIRPORT 82 80 1976
WRANGLE (TIED)79 79 1920
ANNETTE 88 84 1976

ON JULY 28 THE HIGH TEMPERATURE REACHED 70 DEGREES AT BARROW...THIS
TIES THE OLD RECORD OF 70 THAT WAS SET BACK IN 1928.

5 pm PDT Update: Seattle high as of 8:00 is 103°. Here are some other Washington and Oregon triple-digit highs:
PORTLAND     106
MCCHORD AFB 104
EVERETT 100
BOEING FIELD 103
RENTON 105
BREMERTON 102
FORT LEWIS 103
SHELTON 104
OLYMPIA 104
KELSO 106
SCAPPOOSE 107
VANCOUVER 107
THE DALLES 104
4 pm PDT Update: Seattle added another degree at 4:00, to 102°

3 pm PDT Update: At 3 pm today, Seattle unofficially reported an all-time record high temperature of 101°, exceeding the record set in 1941 and tied in 1994. Here is the raw data report from station KSEA showing a temperature of 38.3°C:
KSEA 292153Z 29008KT 10SM FEW060 38/14 A2979 RMK AO2 SLP089 CB DSNT SE T03830139 $ 
The Seattle PI is reporting online that 102° was reached earlier.

Original post:
A review of western Washington and Oregon temperature reports at 1 pm PDT shows them several degrees warmer than yesterday at the same time, with some locations, including Portland, already in triple digits. The 100° reading at Portland ties the daily record for July 29.
SEATTLE, TACOMA, EVERETT, AND VICINITY  

CITY SKY/WX TMP DP RH WIND PRES REMARKS
SEATAC AIRPORT MOSUNNY 96 61 31 W8 29.81F HX 96
MCCHORD AFB MOSUNNY 98 60 28 VRB3 29.80F HX 98
EVERETT SUNNY 96 62 32 NW5 29.83F HX 97
BOEING FIELD SUNNY 96 60 30 NW7 29.78F HX 96
RENTON SUNNY 99 59 26 NW7 29.77F HX 99
PUYALLUP FAIR 100 63 28 MISG 29.84F HX 102
BREMERTON SUNNY 97 57 26 N8 29.83F HX 95
FORT LEWIS SUNNY 96 62 32 VRB3 29.80F HX 97
SHELTON SUNNY 98 59 27 CALM 29.78F HX 98
TACOMA NARROWS MOSUNNY 95 56 26 NE5 29.80F HX 93

SOUTHWEST INTERIOR

CITY SKY/WX TMP DP RH WIND PRES REMARKS
OLYMPIA SUNNY 95 61 32 NE6 29.80F HX 95
CHEHALIS N/A 97 64 34 N3 29.79F HX 99
TOLEDO NOT AVBL
KELSO SUNNY 97 64 34 SW3 29.77F HX 99
SCAPPOOSE, OR SUNNY 100 60 26 CALM 29.75F HX 100
VANCOUVER SUNNY 99 63 30 NW6 29.75F HX 101
PORTLAND, OR SUNNY 100 61 27 E7 29.75F HX 101

CASCADE MOUNTAINS AND COLUMBIA GORGE

CITY SKY/WX TMP DP RH WIND PRES REMARKS
STAMPEDE PASS MOSUNNY 79 54 41 VRB6 30.11F
TROUTDALE, OR SUNNY 99 60 27 E14G24 29.74F HX 99
THE DALLES, OR SUNNY 99 54 22 E14G21 29.84F HX 97

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