Alert archive / Virginia / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 123, NWS Blacksburg, VA
NWS Blacksburg, VA issued this severe thunderstorm warning at Jul 17, 2013, 3:05 PM EDT for Bedford County, Botetourt County, Rockbridge County, Virginia. It was in force for 55 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 17, 2013, 3:05 PM EDT (19:05 UTC)
- Expired
- Jul 17, 2013, 4:00 PM EDT
- In force
- 55 min
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
Counties Bedford County, VA, Botetourt County, VA, Rockbridge County, VA
The radar
The Roanoke radar (KFCX), 85 km from the middle of the area, began a volume at 19:07 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
Roanoke, VA (KRNK), launched 12:00Z, 7.1 hours before the alert went out and 41 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
- 1223 J/kg
- Mixed-layer CIN
- -58 J/kg
- Mixed-layer LCL
- 946 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 35 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jul 17, 12:59 PM EDT, 2 hours 6 minutes earlier.
Area forecast discussion, Jul 17, 12:59 PM EDT, 2 hours 6 minutes before
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</html>Hazardous weather outlook, Jul 17, 3:38 AM EDT, 11 hours 27 minutes before
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Special weather statement, Jul 17, 1:38 PM EDT, 1 hour 27 minutes before
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</html>Special weather statement, Jul 17, 2:02 PM EDT, 1 hour 3 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
202 PM EDT WED JUL 17 2013
NCZ020-171845-
YADKIN NC-
202 PM EDT WED JUL 17 2013
THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A
* SPECIAL WEATHER STATEMENT FOR...
YADKIN COUNTY IN NORTHWEST NORTH CAROLINA...
* UNTIL 245 PM EDT
* AT 158 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A STRONG THUNDERSTORM NEAR NEBO...MOVING TO THE SOUTHWEST AT 20
MPH.
* PEA SIZE HAIL AND WIND GUSTS UP TO 30 MPH ARE EXPECTED WITH THIS
STORM. VERY HEAVY RAIN IS FALLING...AND WILL CAUSE WATER TO POND ON
ROADWAYS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.
EXPECT FREQUENT CLOUD TO GROUND LIGHTNING WITH THIS STORM.
* LOCATIONS IMPACTED INCLUDE...
YADKINVILLE...
BOONVILLE...
EAST BEND...
LONE HICKORY...
AND JONESVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT STAY IN THE OPEN OR SHELTER UNDER TREES WHEN LIGHTNING
THREATENS. SEEK SHELTER INSIDE A STURDY BUILDING OR IN A VEHICLE.
&&
LAT...LON 3606 8088 3623 8087 3627 8068 3625 8067
3625 8065 3626 8065 3628 8062 3627 8059
3628 8056 3620 8048 3605 8070
TIME...MOT...LOC 1758Z 57DEG 17KT 3624 8062
ASLocal storm report, Jul 17, 2:17 PM EDT, 48 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
217 PM EDT WED JUL 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0130 PM TSTM WND DMG MOUNT AIRY 36.50N 80.61W
07/17/2013 SURRY NC NEWSPAPER
MULTIPLE TREES DOWN AND SOME STREET FLOODING.
&&
MSPORERSpecial weather statement, Jul 17, 2:30 PM EDT, 35 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BLACKSBURG VA 230 PM EDT WED JUL 17 2013 VAZ024-034-035-045-171930- BEDFORD VA-AMHERST VA-ROCKBRIDGE VA-CAMPBELL VA- 230 PM EDT WED JUL 17 2013 THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A * SPECIAL WEATHER STATEMENT FOR... CENTRAL BEDFORD COUNTY IN SOUTH CENTRAL VIRGINIA... CENTRAL AMHERST COUNTY IN CENTRAL VIRGINIA... SOUTHEASTERN ROCKBRIDGE COUNTY IN WEST CENTRAL VIRGINIA... NORTHWESTERN CAMPBELL COUNTY IN CENTRAL VIRGINIA... * UNTIL 330 PM EDT * AT 228 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR PLEASANT VIEW...MOVING TO THE SOUTH AT 25 MPH. * PEA SIZE HAIL AND WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM. VERY HEAVY RAIN IS FALLING...AND WILL CAUSE WATER TO POND ON ROADWAYS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS. * LOCATIONS IMPACTED INCLUDE... EVINGTON... FOREST... BEDFORD CITY... FORKS OF BUFFALO... AND BIG ISLAND. PRECAUTIONARY/PREPAREDNESS ACTIONS... PROLONGED HEAVY RAINFALL MAY CAUSE WATER TO FLOW OVER THE ROADWAY. DO NOT DRIVE YOUR VEHICLE WHERE THE ROAD HAS BECOME FLOODED. && LAT...LON 3778 7909 3721 7920 3730 7964 3786 7928 TIME...MOT...LOC 1828Z 21DEG 21KT 3766 7929 KK
Special weather statement, Jul 17, 2:48 PM EDT, 17 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
248 PM EDT WED JUL 17 2013
VAZ011-WVZ042>044-171945-
GILES VA-SUMMERS WV-MONROE WV-MERCER WV-
248 PM EDT WED JUL 17 2013
THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A
* SPECIAL WEATHER STATEMENT FOR...
NORTHWESTERN GILES COUNTY IN SOUTHWEST VIRGINIA...
SOUTHERN SUMMERS COUNTY IN SOUTHEAST WEST VIRGINIA...
NORTHWESTERN MONROE COUNTY IN SOUTHEAST WEST VIRGINIA...
NORTHEASTERN MERCER COUNTY IN SOUTHEAST WEST VIRGINIA...
* UNTIL 345 PM EDT
* AT 245 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A STRONG THUNDERSTORM NEAR WOLFCREEK...MOVING TO THE SOUTHWEST AT
20 MPH.
* PEA SIZE HAIL AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS
STORM. VERY HEAVY RAIN IS FALLING...AND WILL CAUSE WATER TO POND ON
ROADWAYS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.
* LOCATIONS IMPACTED INCLUDE...
NARROWS...
PIPESTEM...
PETERSTOWN...
BUCK...
AND BALLENGEE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PROLONGED HEAVY RAINFALL MAY CAUSE WATER TO FLOW OVER THE ROADWAY. DO
NOT DRIVE YOUR VEHICLE WHERE THE ROAD HAS BECOME FLOODED.
&&
LAT...LON 3773 8067 3773 8065 3770 8054 3769 8048
3767 8045 3729 8082 3750 8110 3776 8067
TIME...MOT...LOC 1845Z 47DEG 19KT 3769 8060
KKLocal storm report, Jul 17, 2:57 PM EDT, 8 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
257 PM EDT WED JUL 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0254 PM HEAVY RAIN MOUNT AIRY 36.50N 80.61W
07/17/2013 M4.50 INCH SURRY NC PUBLIC
RAIN FELL IN 90 MINUTES
&&
EVENT NUMBER RNK1301446
MBSThe office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 8:05 PM EDT | Special Weather Statement | RNK | Giles | 55 min |
| Jul 16, 8:59 PM EDT | Special Weather Statement | RNK | Carroll | 46 min |
| Jul 16, 9:10 PM EDT | Special Weather Statement | RNK | Buckingham | 35 min |
| Jul 17, 3:06 AM EDT | Special Weather Statement | RNK | Campbell, City of Lynchburg | 39 min |
| Jul 17, 3:25 AM EDT | Special Weather Statement | RNK | City of Lynchburg | 35 min |
| Jul 17, 3:26 AM EDT | Special Weather Statement | RNK | Pittsylvania | 34 min |
| Jul 17, 3:46 AM EDT | Special Weather Statement | RNK | City of Lynchburg | 29 min |
| Jul 17, 3:50 AM EDT | Special Weather Statement | RNK | Pittsylvania | 25 min |
| Jul 17, 4:16 AM EDT | Special Weather Statement | RNK | City of Lynchburg | 29 min |
| Jul 17, 4:50 AM EDT | Special Weather Statement | RNK | Campbell | 25 min |
| Jul 17, 12:35 PM EDT | Special Weather Statement | RNK | Bedford | 55 min |
| Jul 17, 1:24 PM EDT | Special Weather Statement | RNK | Carroll | 66 min |
| Jul 17, 1:30 PM EDT | Special Weather Statement | RNK | Bath | 60 min |
| Jul 17, 1:38 PM EDT | Special Weather Statement | RNK | Rockbridge, City of Buena Vista, City of Lexington | 67 min |
| Jul 17, 2:30 PM EDT | Special Weather Statement | RNK | Amherst, Bedford, City of Buena Vista, City of Lynchburg | 60 min |
| Jul 17, 3:23 PM EDT | Special Weather Statement | RNK | Giles | 67 min |
| Jul 17, 3:52 PM EDT | Special Weather Statement | RNK | Bedford | 53 min |
| Jul 17, 4:17 PM EDT | Special Weather Statement | RNK | Bland, Pulaski, City of Radford | 58 min |
| Jul 17, 4:46 PM EDT | Special Weather Statement | RNK | Pulaski, City of Radford | 59 min |
| Jul 17, 4:47 PM EDT | Special Weather Statement | RNK | Tazewell | 58 min |
| Jul 17, 5:07 PM EDT | Special Weather Statement | RNK | Franklin, Pittsylvania | 68 min |
| Jul 17, 5:29 PM EDT | Severe Thunderstorm Warning | RNK | Carroll, Grayson, Wythe, City of Galax | 61 min |
| Jul 17, 5:56 PM EDT | Severe Thunderstorm Warning | RNK | Tazewell | 64 min |
| Jul 17, 6:20 PM EDT | Special Weather Statement | RNK | City of Martinsville | 55 min |
| Jul 17, 6:37 PM EDT | Special Weather Statement | RNK | Carroll, Grayson, City of Galax | 53 min |
| Jul 17, 7:02 PM EDT | Special Weather Statement | RNK | Buckingham | 58 min |
| Jul 16, 9:49 PM EDT | Special Weather Statement | RNK | Surry | 26 min |
| Jul 17, 2:02 PM EDT | Special Weather Statement | RNK | Yadkin | 43 min |
| Jul 17, 2:07 PM EDT | Areal Flood Advisory | RNK | Surry | 4 hr |
| Jul 17, 3:37 PM EDT | Severe Thunderstorm Warning | RNK | Watauga, Wilkes | 53 min |
| Jul 17, 5:04 PM EDT | Special Weather Statement | RNK | Watauga | 56 min |
| Jul 17, 7:21 PM EDT | Severe Thunderstorm Warning | RNK | Alleghany, Ashe, Wilkes | 54 min |
| Jul 17, 7:46 PM EDT | Flash Flood Warning | RNK | Alleghany, Ashe, Surry, Watauga, Wilkes | 6 hr |
| Jul 17, 7:57 PM EDT | Severe Thunderstorm Warning | RNK | Ashe, Watauga, Wilkes | 63 min |
| Jul 17, 2:48 PM EDT | Special Weather Statement | RNK | Summers | 57 min |
| Jul 17, 5:16 PM EDT | Special Weather Statement | RNK | Summers | 59 min |
| Jul 17, 7:38 PM EDT | Special Weather Statement | RNK | Summers | 67 min |
Nearby
Severe Thunderstorm Warnings in Virginia, 2013Every severe thunderstorm warning in 2013
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.