Alert archive / Pennsylvania / Special Weather Statements in 2017

Special Weather Statement, NWS State College, PA

March 1, 2017Warren County, Pennsylvania

NWS State College, PA issued this special weather statement at Mar 1, 2017, 7:13 AM EST for Warren County, Pennsylvania. 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
Mar 1, 2017, 7:13 AM EST (12:13 UTC)
Expired
Mar 1, 2017, 7:45 AM EST
In force
32 min
Issued by
NWS State College, PA

County Warren County, PA

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 0.2 hours before the alert went out and 126 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-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 12:00Z on 2017-03-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 57 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 12:00Z on 2017-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 184 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
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
57 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
984 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
184 m²/s²
0-3 km storm-relative helicity
279 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

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 State College, PA wrote its last area forecast discussion before this special weather statement went out at Mar 1, 6:26 AM EST, 47 minutes earlier.

Area forecast discussion, Mar 1, 6:26 AM EST, 47 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>
Hazardous weather outlook, Mar 1, 5:40 AM EST, 1 hour 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>

In the hours before

Special weather statement, Mar 1, 3:51 AM EST, 3 hours 22 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, Mar 1, 5:18 AM EST, 1 hour 55 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, Mar 1, 6:15 AM EST, 58 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, Mar 1, 6:21 AM EST, 52 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, Mar 1, 6:55 AM EST, 18 minutes before
Special Weather Statement
National Weather Service State College PA
655 AM EST WED MAR 1 2017

PAZ024-025-033-034-011230-
Bedford PA-Somerset PA-Blair PA-Cambria PA-
655 AM EST WED MAR 1 2017

...SPECIAL WEATHER STATEMENT...

At 653 AM EST, Doppler radar indicated thunderstorms with very heavy
rain along a line extending from Lakemont to near Ogletown. Movement
was east at 55 mph.

Expect poor visibility and ponding of water roadways.

Locations impacted include...
Hollidaysburg, Blue Knob State Park, Martinsburg, Queen, Ogletown,
Roaring Spring, Ski Gap, Lakemont, Canoe Creek State Park,
Duncansville, Williamsburg, Claysburg, Royer, Woodbury, Saxton, East
Freedom, Newry, Peoples Natural Gas Field, Blue Knob Ski Resort and
Altoona-Blair County Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 4049 7839 4052 7815 4049 7815 4050 7814
      4049 7813 4047 7813 4030 7826 4023 7824
      4020 7819 4020 7830 4017 7887
TIME...MOT...LOC 1153Z 262DEG 49KT 4046 7840 4023 7874

Tyburski
Special weather statement, Mar 1, 7:13 AM EST, 0 minutes before
Special Weather Statement
National Weather Service State College PA
713 AM EST WED MAR 1 2017

PAZ004-005-011245-
McKean PA-Warren PA-
713 AM EST WED MAR 1 2017

...STRONG THUNDERSTORMS WILL AFFECT PARTS OF MCKEAN AND WARREN
COUNTIES UNTIL 745 AM EST...

At 711 AM EST, Doppler radar indicated strong thunderstorms along a
line extending from near Lake Erie State Park to 10 miles north of
Grove City. Movement is east at 45 mph.

Winds in excess of 40 mph are possible.

Locations impacted include...
Warren, Scandia, Lottsville, Youngsville, Ludlow, Grand Valley,
Russell, Enterprise, Sheffield, Spring Creek, Columbus, Warren South,
Garland, Kinzua Dam, Chapman State Park, Tidioute, Clarendon,
Starbrick, Sugar Grove and Bear Lake.

LAT...LON 4200 7877 4162 7898 4162 7961 4200 7961
TIME...MOT...LOC 1211Z 316DEG 19KT 4237 7946 4131 8014

Martin

The office that day

Everything else NWS State College, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 1, 3:51 AM ESTSpecial Weather StatementCTPWarren39 min
Mar 1, 5:18 AM ESTSpecial Weather StatementCTPSomerset27 min
Mar 1, 6:15 AM ESTSpecial Weather StatementCTPBedford30 min
Mar 1, 6:21 AM ESTSpecial Weather StatementCTPSomerset24 min
Mar 1, 6:55 AM ESTSpecial Weather StatementCTPBlair35 min
Mar 1, 7:00 AM ESTAreal Flood AdvisoryCTPCambria, Somerset3 hr
Mar 1, 7:19 AM ESTSpecial Weather StatementCTPHuntingdon26 min
Mar 1, 7:41 AM ESTAreal Flood AdvisoryCTPBedford, Blair, Huntingdon3 hr
Mar 1, 7:59 AM ESTSpecial Weather StatementCTPJuniata31 min
Mar 1, 8:09 AM ESTSpecial Weather StatementCTPLebanon21 min
Mar 1, 10:58 AM ESTSpecial Weather StatementCTPBedford, Somerset77 min
Mar 1, 12:06 PM ESTSevere Thunderstorm WarningCTPBedford, Fulton, Huntingdon24 min
Mar 1, 12:33 PM ESTSpecial Weather StatementCTPPerry42 min
Mar 1, 12:58 PM ESTSpecial Weather StatementCTPAdams, Franklin47 min
Mar 1, 1:35 PM ESTSevere Thunderstorm WarningCTPAdams, Lancaster, York70 min
Mar 1, 1:56 PM ESTSpecial Weather StatementCTPLebanon34 min
Mar 1, 3:43 PM ESTWind AdvisoryCTPAdams, Bedford, Blair, Cambria, Cameron, Centre and 27 more17 hr
Mar 1, 5:25 PM ESTSpecial Weather StatementCTPMcKean, Warren65 min
Mar 1, 6:25 PM ESTSpecial Weather StatementCTPMcKean35 min
Mar 1, 6:30 PM ESTSpecial Weather StatementCTPMcKean30 min

Nearby

Special Weather Statements in Pennsylvania, 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.