Alert archive / Virginia / Special Weather Statements in 2018
Special Weather Statement, NWS Blacksburg, VA
NWS Blacksburg, VA issued this special weather statement at Jan 12, 2018, 7:49 PM EST for Alleghany County, Bath County, City of Covington, Virginia. It was in force for 56 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
- Jan 12, 2018, 7:49 PM EST (00:49 UTC)
- Expired
- Jan 12, 2018, 8:45 PM EST
- In force
- 56 min
- Issued by
- NWS Blacksburg, VA
Counties Alleghany County, VA, Bath County, VA, City of Covington, VA
The radar
The Roanoke radar (KFCX), 111 km from the middle of the area, began a volume at 00:50 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
Roanoke, VA (KRNK), launched 00:00Z, 0.8 hours before the alert went out and 93 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
- 16 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 598 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 293 m²/s²
- 0-3 km storm-relative helicity
- 356 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
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 Jan 12, 7:33 PM EST, 16 minutes earlier.
Area forecast discussion, Jan 12, 7:33 PM EST, 16 minutes before
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</html>Hazardous weather outlook, Jan 12, 4:30 PM EST, 3 hours 19 minutes before
Hazardous Weather Outlook National Weather Service Blacksburg VA 430 PM EST Fri Jan 12 2018 NCZ001-018-VAZ007-009-015-WVZ042-043-508-131100- Ashe-Watauga-Tazewell-Smyth-Grayson-Mercer-Summers- Western Greenbrier- 430 PM EST Fri Jan 12 2018 ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM EST SATURDAY... This Hazardous Weather Outlook is for northwest North Carolina, southwest Virginia and southeast West Virginia. .DAY ONE...Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Winter Weather Advisory. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Winter Weather Advisory. Wind chills of zero to -5 are possible on Tuesday night and again Wednesday night. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. NCZ002-VAZ010>014-016>020-WVZ044-507-131100- Alleghany NC-Bland-Giles-Wythe-Pulaski-Montgomery-Carroll-Floyd- Craig-Alleghany VA-Bath-Monroe-Eastern Greenbrier- 430 PM EST Fri Jan 12 2018 ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM EST SATURDAY... This Hazardous Weather Outlook is for northwest North Carolina, southwest Virginia, west central Virginia and southeast West Virginia. .DAY ONE...Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Winter Weather Advisory. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Winter Weather Advisory. Wind chills of zero to -5 are possible on Tuesday night and again Wednesday night. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. NCZ003>006-019-020-VAZ022>024-032>035-043>047-058-059-131100- Surry-Stokes-Rockingham-Caswell-Wilkes-Yadkin-Roanoke-Botetourt- Rockbridge-Patrick-Franklin-Bedford-Amherst-Henry-Pittsylvania- Campbell-Appomattox-Buckingham-Halifax-Charlotte- 430 PM EST Fri Jan 12 2018 This Hazardous Weather Outlook is for 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...Saturday through Thursday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
In the hours before
Special weather statement, Jan 12, 6:46 PM EST, 1 hour 3 minutes before
Special Weather Statement
National Weather Service BLACKSBURG VA
646 PM EST FRI JAN 12 2018
NCZ004>006-VAZ043-044-130045-
Stokes-Rockingham-Caswell-Henry-Pittsylvania-
646 PM EST FRI JAN 12 2018
...SHOWERS WITH LOCALLY HEAVY RAIN AND GUSTY WIND WILL AFFECT
EASTERN STOKES...ROCKINGHAM...WESTERN CASWELL...WESTERN PITTSYLVANIA
AND SOUTHEASTERN HENRY COUNTIES...THE CITY OF DANVILLE AND THE
SOUTHEASTERN CITY OF MARTINSVILLE...
Until 745 PM EST
At 643 PM EST, showers with heavy downpours and possibly a rumble of
thunder extended from Ayersville...through Kernersville...to near
Badin Lake. Movement was northeast at 35 mph.
Winds gusts up to 40 mph are possible, along with excessive ponding
of water on roadways.
Locations impacted include...
Danville...
Eden...
Reidsville...
Martinsville...
and Wentworth.
LAT...LON 3626 8005 3654 8005 3707 7933 3625 7934
3624 7963
TIME...MOT...LOC 2343Z 231DEG 32KT 3649 8004 3608 8004 3559 8003
MBSSpecial weather statement, Jan 12, 7:04 PM EST, 45 minutes before
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Special Weather Statement
National Weather Service BLACKSBURG VA
746 PM EST FRI JAN 12 2018
VAZ014-017-018-022-023-033-034-WVZ044-130145-
Botetourt-Franklin-Floyd-Montgomery-Craig-Roanoke-Bedford-Monroe-
746 PM EST FRI JAN 12 2018
...SHOWERS WITH LOCALLY HEAVY RAIN AND GUSTY WIND WILL AFFECT
ROANOKE...CRAIG...NORTHEASTERN FLOYD...BOTETOURT...NORTHWESTERN
BEDFORD...NORTHERN FRANKLIN...EASTERN MONTGOMERY AND NORTHEASTERN
MONROE COUNTIES...THE CITY OF SALEM AND THE CITY OF ROANOKE...
Until 845 PM EST
At 745 PM EST, showers with heavy downpours and possibly a rumble of
thunder extended from Glace...to near Terrys Fork. Movement was
northeast at 40 mph.
Winds in excess of 40 mph are possible with these storms, along with excessive ponding
of water on roadways.
Locations impacted include...
Roanoke...
Blacksburg...
Salem...
Christiansburg...
and Vinton.
LAT...LON 3776 7967 3772 7969 3769 7967 3766 7968
3757 7956 3754 7949 3720 7947 3696 8038
3770 8042 3772 8040 3769 8038 3771 8035
3769 8033 3769 8029 3764 8026 3760 8015
3766 8003 3765 8002 3770 7992 3780 7982
TIME...MOT...LOC 0045Z 246DEG 35KT 3769 8034 3707 8030
MBSSpecial weather statement, Jan 12, 7:49 PM EST, 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 |
|---|---|---|---|---|
| Jan 12, 7:04 PM EST | Special Weather Statement | RNK | Carroll, Craig, Giles, Montgomery, Pulaski, City of Galax and 1 more | 41 min |
| Jan 12, 7:32 PM EST | Special Weather Statement | RNK | Franklin | 13 min |
| Jan 12, 7:46 PM EST | Special Weather Statement | RNK | Bedford, Botetourt, Craig, Montgomery, Roanoke, City of Roanoke and 1 more | 59 min |
| Jan 12, 7:51 PM EST | Special Weather Statement | RNK | Campbell, Halifax, Pittsylvania, City of Danville, City of Lynchburg | 54 min |
| Jan 12, 8:40 PM EST | Special Weather Statement | RNK | Charlotte | 65 min |
| Jan 12, 7:06 PM EST | Special Weather Statement | RNK | Greenbrier | 39 min |
| Jan 13, 9:53 AM EST | Wind Chill Advisory | RNK | Greenbrier | 24 hr |
Nearby
Special Weather Statements in Virginia, 2018Every special weather statement in 2018
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.