Alert archive / Virginia / Wind Chill Advisories in 2007
Wind Chill Advisory 1, NWS Blacksburg, VA
NWS Blacksburg, VA issued this wind chill advisory at Jan 25, 2007, 3:05 AM EST for 9 counties in Virginia; Ashe County, Watauga County, North Carolina; Mercer County, Monroe County, Summers County, West Virginia. It took effect at Jan 25, 2007, 3:58 PM EST. It was in force for 17 hr.
The area
The counties it named.
The facts
- Issued
- Jan 25, 2007, 3:05 AM EST (08:05 UTC)
- In effect from
- Jan 25, 2007, 3:58 PM EST
- Expired
- Jan 26, 2007, 9:00 AM EST
- In force
- 17 hr
- Issued by
- NWS Blacksburg, VA
Counties Ashe County, NC, Watauga County, NC, Alleghany County, VA, Bath County, VA, Bland County, VA, City of Covington, VA, Craig County, VA, Giles County, VA, Grayson County, VA, Smyth County, VA, Tazewell County, VA, Mercer County, WV, Monroe County, WV, Summers County, WV
The radar
The Roanoke radar (KFCX), 56 km from the middle of the area, began a volume at 08:07 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
Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 8.1 hours before the alert went out and 155 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1700 m above ground
- 0-6 km bulk shear
- 78 kt
- 0-1 km storm-relative helicity
- -35 m²/s²
- 0-3 km storm-relative helicity
- 28 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this wind chill advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Blacksburg, VA wrote its last area forecast discussion before this wind chill advisory went out at Jan 25, 12:45 AM EST, 2 hours 20 minutes earlier.
Area forecast discussion, Jan 25, 12:45 AM EST, 2 hours 20 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, Jan 24, 4:18 PM EST, 10 hours 47 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE BLACKSBURG VA 418 PM EST WED JAN 24 2007 WVZ045-251015- GREENBRIER- 418 PM EST WED JAN 24 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST WEST VIRGINIA. .DAY ONE...TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY ARCTIC AIR WILL SURGE INTO THE REGION THURSDAY AND PERSIST INTO FRIDAY. ALONG WITH STRONG NORTHWEST WINDS...SNOW ACCUMULATIONS OF 1 TO 5 INCHES ARE EXPECTED...WITH LOCALLY HIGHER TOTALS ACROSS THE HIGHER WESTERN MOUNTAINS. THESE WINDS MAY ALSO PRODUCE PERIODS OF BLOWING SNOW INCLUDING WIND CHILLS AS COLD AS 10 BELOW ZERO BY EARLY FRIDAY MORNING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED BUT SNOWFALL REPORTS ARE REQUESTED. VAZ007-009-010-020-WVZ042-043-251015- TAZEWELL-SMYTH-BLAND-BATH-MERCER-SUMMERS- 418 PM EST WED JAN 24 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST VIRGINIA...WEST CENTRAL VIRGINIA AND SOUTHEAST WEST VIRGINIA. .DAY ONE...TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY ARCTIC AIR WILL SURGE ACROSS THE MOUNTAINS THURSDAY AND PERSIST INTO FRIDAY. THIS WILL PRODUCE SNOW SHOWERS ACROSS THE REGION ALONG WITH STRONG NORTHWEST WINDS LATER THURSDAY INTO THURSDAY NIGHT. SNOWFALL ACCUMULATIONS OF 1 TO 3 INCHES ARE EXPECTED ALONG WITH WIND GUSTS TO 40 MPH OR STRONGER. THESE WINDS MAY ALSO CAUSE SOME BLOWING SNOW AS WELL AS WIND CHILLS NEAR 5 BELOW ZERO BY EARLY FRIDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED BUT SNOWFALL REPORTS ARE REQUESTED. NCZ002-VAZ011>014-016>019-WVZ044-251015- ALLEGHANY NC-GILES-WYTHE-PULASKI-MONTGOMERY-CARROLL-FLOYD-CRAIG- ALLEGHANY VA-MONROE- 418 PM EST WED JAN 24 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST NORTH CAROLINA...SOUTHWEST VIRGINIA...WEST CENTRAL VIRGINIA AND SOUTHEAST WEST VIRGINIA. .DAY ONE...TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY MORE ARCTIC AIR WILL MOVE INTO THE REGION THURSDAY AND PERSIST INTO FRIDAY. SCATTERED SNOW SHOWERS ARE EXPECTED LATER THURSDAY INTO THURSDAY NIGHT ALONG WITH STRONG NORTHWEST WINDS. SNOWFALL TOTALS OF UP TO AN INCH MAY OCCUR ON THE RIDGES ALONG WITH GUSTS TO 45 MPH OR STRONGER ESPECIALLY THURSDAY NIGHT. IN ADDITION THE WINDS WILL COMBINE WITH THE COLD TEMPERATURES TO PUSH WIND CHILL VALUES TO NEAR 5 BELOW ZERO BY EARLY FRIDAY MORNING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. NCZ003>006-019-020-VAZ022>024-032>035-043>047-058-059-251015- SURRY-STOKES-ROCKINGHAM-CASWELL-WILKES-YADKIN-ROANOKE-BOTETOURT- ROCKBRIDGE-PATRICK-FRANKLIN-BEDFORD-AMHERST-HENRY-PITTSYLVANIA- CAMPBELL-APPOMATTOX-BUCKINGHAM-HALIFAX-CHARLOTTE- 418 PM EST WED JAN 24 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL NORTH CAROLINA...NORTHWEST NORTH CAROLINA...CENTRAL VIRGINIA... SOUTH CENTRAL VIRGINIA...SOUTHWEST VIRGINIA AND WEST CENTRAL VIRGINIA. .DAY ONE...TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY MUCH COLDER AIR WILL SLIDE INTO THE REGION LATER THURSDAY AND CONTINUE INTO FRIDAY. THIS IN COMBINATION WITH GUSTY NORTHWEST WINDS MAY RESULT IN WIND CHILLS BETWEEN ZERO AND 10 ABOVE BY EARLY FRIDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. NCZ001-018-VAZ015-251015- ASHE-WATAUGA-GRAYSON- 418 PM EST WED JAN 24 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST NORTH CAROLINA AND SOUTHWEST VIRGINIA. .DAY ONE...TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY ANOTHER SHOT OF ARCTIC AIR WILL PUSH INTO THE REGION THURSDAY AND PERSIST INTO FRIDAY. ALONG WITH THE STRONG NORTHWEST WINDS...SNOWFALL ACCUMULATIONS OF 1 TO 4 INCHES ARE EXPECTED...MAINLY ALONG THE WESTERN SLOPES BY LATE THURSDAY NIGHT. NORTHWEST WINDS AT 20 TO 30 MPH INCLUDING GUSTS TO 50 MPH WILL ALSO MAKE FOR BLOWING SNOW ACROSS THE RIDGES AS WELL AS WIND CHILLS NEAR 5 BELOW ZERO BY EARLY FRIDAY MORNING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED BUT SNOWFALL REPORTS ARE REQUESTED.
The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 25, 3:05 AM EST | Winter Weather Advisory | RNK | Bland, Grayson, Smyth, Tazewell | 30 hr |
| Jan 25, 3:48 AM EST | Wind Advisory | RNK | Grayson | 24 hr |
Nearby
Wind Chill Advisories in Virginia, 2007Wind Chill Advisories in West Virginia, 2007Wind Chill Advisories in North Carolina, 2007Every wind chill advisory in 2007
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.