Alert archive / Virginia / Special Weather Statements in 2017
Special Weather Statement, NWS Blacksburg, VA
NWS Blacksburg, VA issued this special weather statement at Jul 5, 2017, 6:47 PM EDT for Montgomery County, Virginia. It was in force for 28 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
- Jul 5, 2017, 6:47 PM EDT (22:47 UTC)
- Expired
- Jul 5, 2017, 7:15 PM EDT
- In force
- 28 min
- Issued by
- NWS Blacksburg, VA
County Montgomery County, VA
The radar
The Roanoke radar (KFCX), 27 km from the middle of the area, began a volume at 22:47 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 12:00Z, 10.8 hours before the alert went out and 134 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
- 130 J/kg
- Mixed-layer CIN
- -80 J/kg
- Mixed-layer LCL
- 793 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</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 Blacksburg, VA wrote its last area forecast discussion before this special weather statement went out at Jul 5, 3:05 PM EDT, 3 hours 42 minutes earlier.
Area forecast discussion, Jul 5, 3:05 PM EDT, 3 hours 42 minutes before
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</html>Hazardous weather outlook, Jul 5, 3:31 PM EDT, 3 hours 16 minutes before
Hazardous Weather Outlook National Weather Service Blacksburg VA 331 PM EDT Wed Jul 5 2017 VAZ020-024-035-046-047-061200- Bath-Rockbridge-Amherst-Appomattox-Buckingham- 331 PM EDT Wed Jul 5 2017 This Hazardous Weather Outlook is for central Virginia and west central Virginia. .DAY ONE...This afternoon and tonight. Very heavy rainfall from slow moving storms could result in localized flooding this afternoon and evening. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. A few strong to isolated severe thunderstorms will be possible Thursday. Very heavy rainfall could also result in localized flooding. Otherwise, the probability for widespread hazardous weather is low Friday through Tuesday. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. VAZ019-023-034-045-058-059-061200- Alleghany VA-Botetourt-Bedford-Campbell-Halifax-Charlotte- 331 PM EDT Wed Jul 5 2017 This Hazardous Weather Outlook is for central Virginia, south central Virginia and west central Virginia. .DAY ONE...This afternoon and tonight. A few strong to isolated severe thunderstorms containing damaging winds will be possible this afternoon and evening. Very heavy rainfall could also result in localized flooding. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. A few strong to isolated severe thunderstorms will be possible again Thursday. Very heavy rainfall could also result in localized flooding. Otherwise, the probability for widespread hazardous weather is low Friday through Tuesday. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. VAZ007-WVZ042>044-507-508-061200- Tazewell-Mercer-Summers-Monroe-Eastern Greenbrier-Western Greenbrier- 331 PM EDT Wed Jul 5 2017 This Hazardous Weather Outlook is for southwest Virginia and southeast West Virginia. .DAY ONE...This afternoon and tonight. A few strong to isolated severe thunderstorms containing damaging winds will be possible this afternoon and evening. Very heavy rainfall could also result in localized flooding. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. A few strong to isolated severe thunderstorms will be possible again Thursday. Very heavy rainfall from slow moving storms could result in localized flooding on Thursday or Friday. Otherwise, the probability for widespread hazardous weather is low Saturday through Tuesday. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. NCZ001>006-018>020-VAZ009>018-022-032-033-043-044-061200- Ashe-Alleghany NC-Surry-Stokes-Rockingham-Caswell-Watauga-Wilkes- Yadkin-Smyth-Bland-Giles-Wythe-Pulaski-Montgomery-Grayson-Carroll- Floyd-Craig-Roanoke-Patrick-Franklin-Henry-Pittsylvania- 331 PM EDT Wed Jul 5 2017 This Hazardous Weather Outlook is for north central North Carolina, northwest North Carolina, south central Virginia, southwest Virginia and west central Virginia. .DAY ONE...This afternoon and tonight. A few strong to isolated severe thunderstorms containing damaging winds will be possible this afternoon and evening. Very heavy rainfall could also result in localized flooding. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. A few strong to isolated severe thunderstorms will be possible again Thursday. Very heavy rainfall could also result in localized flooding. Otherwise, the probability for widespread hazardous weather is low Friday through Tuesday. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
In the hours before
Special weather statement, Jul 5, 5:47 PM EDT, 1 hour before
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</html>Special weather statement, Jul 5, 6:41 PM EDT, 6 minutes before
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</html>Special weather statement, Jul 5, 6:47 PM EDT, 0 minutes before
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</html>The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 8:28 PM EDT | Special Weather Statement | RNK | City of Lynchburg | 62 min |
| Jul 5, 2:15 PM EDT | Special Weather Statement | RNK | Charlotte | 60 min |
| Jul 5, 4:10 PM EDT | Special Weather Statement | RNK | Buckingham | 50 min |
| Jul 5, 4:57 PM EDT | Special Weather Statement | RNK | Buckingham | 48 min |
| Jul 5, 6:22 PM EDT | Special Weather Statement | RNK | City of Radford | 23 min |
| Jul 5, 6:27 PM EDT | Special Weather Statement | RNK | Patrick | 33 min |
| Jul 5, 6:35 PM EDT | Special Weather Statement | RNK | Floyd | 25 min |
| Jul 5, 6:41 PM EDT | Special Weather Statement | RNK | Giles | 34 min |
| Jul 5, 7:15 PM EDT | Special Weather Statement | RNK | Franklin | 30 min |
| Jul 5, 7:27 PM EDT | Special Weather Statement | RNK | Craig, Roanoke, City of Roanoke, City of Salem | 48 min |
| Jul 5, 7:50 PM EDT | Special Weather Statement | RNK | City of Martinsville | 25 min |
| Jul 5, 7:55 PM EDT | Special Weather Statement | RNK | Patrick | 35 min |
| Jul 4, 8:37 PM EDT | Special Weather Statement | RNK | Caswell | 53 min |
| Jul 5, 5:47 PM EDT | Special Weather Statement | RNK | Ashe, Watauga | 58 min |
| Jul 5, 6:52 PM EDT | Special Weather Statement | RNK | Stokes | 23 min |
| Jul 5, 7:29 PM EDT | Special Weather Statement | RNK | Caswell, Rockingham | 61 min |
| Jul 5, 7:39 PM EDT | Special Weather Statement | RNK | Greenbrier | 36 min |
Nearby
Special Weather Statements in Virginia, 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.