Alert archive / Oregon / Flash Flood Warnings in 2005
Flash Flood Warning 1, NWS Portland, OR
NWS Portland, OR issued this flash flood warning at Aug 29, 2005, 3:25 PM PDT for Multnomah County, Oregon; Clark County, Washington. It was in force for 80 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 29, 2005, 3:25 PM PDT (22:25 UTC)
- Expired
- Aug 29, 2005, 4:45 PM PDT
- In force
- 80 min
- Issued by
- NWS Portland, OR
- Area
- Counties, with a storm outline in the text
Counties Multnomah County, OR, Clark County, WA
The radar
The Portland,OR radar (KRTX), 40 km from the middle of the area, began a volume at 22:26 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 flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Portland, OR wrote its last area forecast discussion before this flash flood warning went out at Aug 29, 3:00 PM PDT, 25 minutes earlier.
Area forecast discussion, Aug 29, 3:00 PM PDT, 25 minutes before
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</html>Hazardous weather outlook, Aug 29, 5:41 AM PDT, 9 hours 44 minutes before
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Special weather statement, Aug 29, 10:29 AM PDT, 4 hours 56 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PORTLAND OR 1029 AM PDT MON AUG 29 2005 WAZ019-040-301730- SOUTH WASHINGTON CASCADES-SOUTH WASHINGTON CASCADE FOOTHILLS- INCLUDING THE CITIES OF...COLDWATER RIDGE VISITORS CENTER... MOUNT ST. HELENS...TOUTLE...ARIEL...COUGAR 1029 AM PDT MON AUG 29 2005 ...WIND FORECAST FOR MOUNT ST HELENS FOR PLANNING PURPOSES... .SYNOPSIS...COLD UPPER TROUGH WILL BE OVER AREA TODAY. MODERATE TO STRONG WEST FLOW WILL CONTINUE TODAY. HIGH PRESSURE BUILDS INTO AREA TUESDAY. WEST FLOW ON TUESDAY MORNING BECOMES NORTHWEST IN THE AFTERNOON. NORTH TO NORTHWEST FLOW CONTINUES WEDNESDAY AND THURSDAY. ===================================================================== = KEY TO DECODING THE WIND DATA... = = FORMAT... 168025 WHERE FIRST THREE DIGITS ARE THE WIND DIRECTION = = AND THE LAST THREE DIGITS ARE THE WIND SPEED. = = IN THIS EXAMPLE, WIND IS FROM 168 (SOUTH) AT 25 MPH. = = ***** ALL WIND DATA ARE IN MILES PER HOUR ***** = ===================================================================== SALEM BALLOON SOUNDING WIND 08/29 (12Z) 200 FT 170006 (MPH) 400 FT 185008 (MPH) 1000 FT 240017 (MPH) 2000 FT 255018 (MPH) 2500 FT 255018 (MPH) 3000 FT 255018 (MPH) 4000 FT 260016 (MPH) 4800 FT 260014 (MPH) 5000 FT 260013 (MPH) 6000 FT 260010 (MPH) 7000 FT 270009 (MPH) 8000 FT 290014 (MPH) 9000 FT 290017 (MPH) 9900 FT 285018 (MPH) 12000 FT 270024 (MPH) 14000 FT 250032 (MPH) 16000 FT 240037 (MPH) 18400 FT 230043 (MPH) 20000 FT 230045 (MPH) 22000 FT 225053 (MPH) 23700 FT 220070 (MPH) 25000 FT 215089 (MPH) 28000 FT 210128 (MPH) 30000 FT 215122 (MPH) 30300 FT 215121 (MPH) 34400 FT 220122 (MPH) 35000 FT 220122 (MPH) 39300 FT 225089 (MPH) 44000 FT 225067 (MPH) 45500 FT 220084 (MPH) 47000 FT 225083 (MPH) 50000 FT 230064 (MPH) 54000 FT 230038 (MPH) 54100 FT 230038 (MPH) AVN MODEL WINDS ALOFT VALID 200508291200 ELEV. 08/29 0500PDT 08/29 1700PDT 08/30 0500PDT 08/30 1700PDT 3000 266016 264010 296007 320014 6000 274021 281013 313015 342014 9000 270022 277014 323017 325016 12000 274024 291016 330023 302024 15000 268026 299019 334038 299026 18000 254024 305021 332046 305028 21000 237023 309022 330050 302029 24000 213039 312026 324054 298038 27000 205069 330037 320061 291044 30000 207093 338050 316065 288044 33000 212095 329046 316067 291045 36000 216084 311040 311064 288046 39000 221071 293034 303058 278048 42000 221068 283032 297050 276051 45000 222063 274030 292042 273054 48000 228053 265030 286038 266046 51000 233042 256030 279034 259037
Special weather statement, Aug 29, 11:36 AM PDT, 3 hours 49 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PORTLAND OR 1136 AM PDT MON AUG 29 2005 ORZ001-003>012-WAZ019>023-039-040-292030- CASCADE FOOTHILLS IN LANE COUNTY-LOWER COLUMBIA- GREATER VANCOUVER AREA-SOUTH WILLAMETTE VALLEY- NORTHERN OREGON CASCADES-NORTHERN OREGON CASCADE FOOTHILLS- CENTRAL COAST RANGE OF WESTERN OREGON-GREATER PORTLAND METRO AREA- CENTRAL WILLAMETTE VALLEY-WESTERN COLUMBIA RIVER GORGE- NORTH OREGON COAST-COAST RANGE OF NORTHWEST OREGON- SOUTH WASHINGTON COAST-LOWER COLUMBIA AND I - 5 CORRIDOR IN COWLITZ COUNTY-WILLAPA HILLS-SOUTH WASHINGTON CASCADES- SOUTH WASHINGTON CASCADE FOOTHILLS- 1136 AM PDT MON AUG 29 2005 ...FUNNEL CLOUD REPORTED NEAR INDEPENDENCE... AT 1124 AM PDT...A CITIZEN IN POLK COUNTY REPORTED A FUNNEL CLOUD NEAR INDEPENDENCE MOVING EAST. THE FUNNEL CLOUD DID NOT TOUCH THE GROUND AND HAS SINCE DISSIPATED. NUMEROUS OTHER HEAVY SHOWERS AND THUNDERSTORMS ARE CONTINUING TO DEVELOP ACROSS THE REGION...AND COULD PRODUCE BRIEF COLD CORE FUNNEL CLOUDS THROUGH THIS AFTERNOON. WHILE THESE FUNNEL CLOUDS...WHILE REMAINING OFF THE SURFACE...ARE NOT A THREAT TO LIFE OR PROPERTY...THE PUBLIC IS URGED TO REPORT FUNNEL CLOUD SIGHTINGS TO THE NATIONAL WEATHER SERVICE OR YOUR LOCAL LAW ENFORCEMENT OFFICIALS. WEATHER.GOV/PORTLAND
Local storm report, Aug 29, 1:25 PM PDT, 2 hours before
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</html>The office that day
Everything else NWS Portland, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 3:50 PM PDT | Flash Flood Warning | PQR | Clackamas | 55 min |
Nearby
Flash Flood Warnings in Oregon, 2005Flash Flood Warnings in Washington, 2005Every flash flood warning in 2005
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.