Alert archive / Oregon / Special Weather Statements in 2017
Special Weather Statement, NWS Medford, OR
NWS Medford, OR issued this special weather statement at Aug 9, 2017, 9:58 PM PDT for Jackson County, Oregon. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 9, 2017, 9:58 PM PDT (04:58 UTC)
- Expired
- Aug 9, 2017, 10:30 PM PDT
- In force
- 32 min
- Issued by
- NWS Medford, OR
County Jackson County, OR
The radar
The Medford radar (KMAX), 25 km from the middle of the area, began a volume at 04:57 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, 5.0 hours before the alert went out and 11 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.
- Mixed-layer CAPE
- 715 J/kg
- Mixed-layer CIN
- -142 J/kg
- Mixed-layer LCL
- 2870 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- 28 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Aug 9, 8:47 PM PDT, 1 hour 11 minutes earlier.
Area forecast discussion, Aug 9, 8:47 PM PDT, 1 hour 11 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>In the hours before
Special weather statement, Aug 9, 5:35 PM PDT, 4 hours 23 minutes before
Special Weather Statement
National Weather Service Medford OR
535 PM PDT WED AUG 9 2017
CAZ081-100100-
Central Siskiyou County CA-
535 PM PDT WED AUG 9 2017
...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL SISKIYOU COUNTY
UNTIL 600 PM PDT...
At 535 PM PDT, Doppler radar was tracking a strong thunderstorm over
Hornbrook, or 11 miles north of Yreka, moving northwest at 15 mph.
Nickel size hail and wind gusts up to 50 mph will be possible with
this storm.
Locations impacted include...
Hornbrook.
* This includes...
Highway 96 in California near mile marker 105.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 4182 12247 4182 12255 4190 12270 4198 12279
4198 12256
TIME...MOT...LOC 0035Z 146DEG 13KT 4188 12256
MASSpecial weather statement, Aug 9, 6:27 PM PDT, 3 hours 31 minutes before
Special Weather Statement National Weather Service Medford OR 627 PM PDT WED AUG 9 2017 CAZ084-100200- Northeast Siskiyou and Northwest Modoc Counties CA- 627 PM PDT WED AUG 9 2017 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN SISKIYOU COUNTY UNTIL 700 PM PDT... At 627 PM PDT, Doppler radar was tracking a strong thunderstorm 8 miles south of Lower Klamath Wildlife Refuge, or 23 miles south of Klamath Falls, moving northwest at 5 mph. Nickel size hail and wind gusts up to 50 mph will be possible with this storm. This storm will remain over mainly rural areas of northeastern Siskiyou County. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is also occurring with this storm, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service. && LAT...LON 4183 12169 4175 12185 4185 12196 4195 12170 TIME...MOT...LOC 0127Z 149DEG 5KT 4187 12178 MAS
Special weather statement, Aug 9, 6:30 PM PDT, 3 hours 28 minutes before
Special Weather Statement National Weather Service Medford OR 630 PM PDT WED AUG 9 2017 ORZ026-028-100200- Siskiyou Mountains and Southern Oregon Cascades-Jackson County- 630 PM PDT WED AUG 9 2017 ...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN JACKSON COUNTY... At 629 PM PDT, a strong thunderstorm was located near Prospect, or 17 miles southwest of Crater Lake, moving west at 15 mph. Winds in excess of 30 mph and dime size hail are possible with this storm. This storm will remain over mainly rural areas of northeastern Siskiyou Mountains and Southern Oregon Cascades and northeastern Jackson County Counties. * This includes... Highway 62 in Oregon between mile markers 47 and 48. Torrential rainfall is also occurring with this storm, and may cause localized flooding. Do not drive your vehicle through flooded roadways. LAT...LON 4279 12232 4266 12232 4265 12248 4281 12249 TIME...MOT...LOC 0129Z 088DEG 12KT 4273 12238 CZS
Special weather statement, Aug 9, 7:02 PM PDT, 2 hours 56 minutes before
Special Weather Statement National Weather Service Medford OR 702 PM PDT WED AUG 9 2017 ORZ026-028-100230- Siskiyou Mountains and Southern Oregon Cascades OR-Jackson County OR- 702 PM PDT WED AUG 9 2017 ...SIGNIFICANT WEATHER ADVISORY FOR EAST CENTRAL JACKSON COUNTY UNTIL 730 PM PDT... At 701 PM PDT, Doppler radar was tracking a strong thunderstorm near Prospect State Scenic Viewpoint, or 24 miles southwest of Crater Lake, moving southwest at 15 mph. Nickel size hail and winds in excess of 40 mph will be possible with this storm. Locations impacted include... Joseph Stewart State Park and Prospect State Scenic Viewpoint. * This includes... Highway 62 in Oregon between mile markers 34 and 40. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is also occurring with this storm, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service. && LAT...LON 4272 12248 4263 12242 4255 12256 4272 12265 TIME...MOT...LOC 0201Z 057DEG 11KT 4265 12249 MAS
Special weather statement, Aug 9, 9:25 PM PDT, 33 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Special weather statement, Aug 9, 9:58 PM PDT, 0 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>The office that day
Everything else NWS Medford, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 5:03 PM PDT | Special Weather Statement | MFR | 27 min | |
| Aug 9, 5:21 PM PDT | Special Weather Statement | MFR | 24 min | |
| Aug 9, 5:27 PM PDT | Special Weather Statement | MFR | 33 min | |
| Aug 9, 6:27 PM PDT | Special Weather Statement | MFR | 33 min | |
| Aug 9, 6:30 PM PDT | Special Weather Statement | MFR | Jackson | 30 min |
| Aug 9, 7:02 PM PDT | Special Weather Statement | MFR | Jackson | 28 min |
| Aug 9, 7:12 PM PDT | Severe Thunderstorm Warning | MFR | Jackson | 18 min |
| Aug 9, 9:25 PM PDT | Special Weather Statement | MFR | Jackson | 35 min |
| Aug 9, 10:06 PM PDT | Special Weather Statement | MFR | Jackson | 24 min |
| Aug 10, 3:08 PM PDT | Special Weather Statement | MFR | 37 min | |
| Aug 10, 3:45 PM PDT | Special Weather Statement | MFR | Douglas | 30 min |
| Aug 10, 3:56 PM PDT | Special Weather Statement | MFR | 34 min | |
| Aug 10, 4:02 PM PDT | Special Weather Statement | MFR | 28 min | |
| Aug 10, 4:14 PM PDT | Special Weather Statement | MFR | Jackson | 31 min |
| Aug 10, 4:50 PM PDT | Special Weather Statement | MFR | Jackson | 25 min |
| Aug 9, 5:08 PM PDT | Severe Thunderstorm Warning | MFR | Siskiyou | 37 min |
| Aug 9, 5:35 PM PDT | Special Weather Statement | MFR | Siskiyou | 25 min |
Nearby
Special Weather Statements in Oregon, 2017Every special weather statement in 2017
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.