Alert archive / Virginia / Flash Flood Warnings in 2012
Flash Flood Warning 37, NWS Blacksburg, VA
NWS Blacksburg, VA issued this flash flood warning at Jul 18, 2012, 5:33 PM EDT for Buckingham County, Virginia. It was in force for 3 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 18, 2012, 5:33 PM EDT (21:33 UTC)
- Expired
- Jul 18, 2012, 8:30 PM EDT
- In force
- 3 hr
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
- Flood severity
- None
County Buckingham County, VA
The radar
The Norfolk radar (KAKQ), 159 km from the middle of the area, began a volume at 21:35 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 18, 6:00 PM EDT | FLASH FLOOD | 5 Se Wingina, VA | WATER UP TO THE CAR FENDERS...12 INCHES DEEP...IN SEVERAL PLACES ALONG HIGHWAY 56 BETWEEN BUCKINGHAM AND WINGINA...WATER FLOWING ACROSS HIGHWAY. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Roanoke, VA (KRNK), launched 12:00Z, 9.6 hours before the alert went out and 89 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
- 804 J/kg
- Mixed-layer CIN
- -89 J/kg
- Mixed-layer LCL
- 1062 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
663
WGUS51 KRNK 182133
FFWRNK
VAC029-190030-
/O.NEW.KRNK.FF.W.0037.120718T2133Z-120719T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
533 PM EDT WED JUL 18 2012
THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CENTRAL BUCKINGHAM COUNTY IN CENTRAL VIRGINIA
* UNTIL 830 PM EDT.
* AT 530 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN FROM A NEARLY STATIONARY THUNDERSTORM JUST WEST OF
BUCKINGHAM IN BUCKINGHAM COUNTY VIRGINIA.
* LOCATIONS IN THE WARNING INCLUDE RURAL BUCKINGHAM COUNTY BETWEEN
WINGINA AND BUCKINGHAM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
PLEASE RELAY ANY REPORTS OF FLOODING INCLUDING MUDSLIDES...OR ROAD
CLOSURES TO THE NATIONAL WEATHER SERVICE IN BLACKSBURG BY CALLING
TOLL FREE...1...8 6 6...2 1 5...4 3 2 4. DELAYED REPORTS ARE WELCOME.
&&
LAT...LON 3762 7873 3764 7872 3764 7864 3769 7837
3759 7841 3751 7856 3752 7872 3755 7875
$$3 follow-up statements
518
WGUS71 KRNK 182202
FFSRNK
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
602 PM EDT WED JUL 18 2012
VAC029-190030-
/O.CON.KRNK.FF.W.0037.000000T0000Z-120719T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BUCKINGHAM VA-
602 PM EDT WED JUL 18 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 PM EDT FOR
CENTRAL BUCKINGHAM COUNTY...
AT 552 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A THUNDERSTORM PRODUCING VERY HEAVY RAIN OVER RURAL
BUCKINGHAM COUNTY BETWEEN BUCKINGHAM AND WINGINA ALONG HIGHWAY
56...AND BETWEEN BUCKINGHAM AND TOWER HILL ALONG HIGHWAY 60.
RADAR ESTIMATES THAT BETWEEN 3 AND 4 INCHES OF RAIN HAS FALLEN OVER
WEST CENTRAL BUCKINGHAM COUNTY. THE THUNDERSTORM PRODUCING THE VERY
HEAVY RAIN IS NEARLY STATIONARY. AS A RESULT...AN ADDITIONAL 1 TO 2
INCHES OF RAIN IS POSSIBLE BETWEEN 600 AND 700 PM. THIS WILL LIKELY
RESULT IN FLASH FLOODING ALONG CREEKS AND STREAMS...INCLUDING FORSIP
AND RIPLEY CREEKS...AND ALONG OTHER STREAMS AND CREEKS THAT FEED
INTO THE HEADWATERS OF THE NORTH RIVER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
&&
LAT...LON 3762 7873 3764 7872 3764 7864 3769 7837
3759 7841 3751 7856 3752 7872 3755 7875
$$435
WGUS71 KRNK 182305
FFSRNK
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
705 PM EDT WED JUL 18 2012
VAC029-190030-
/O.CON.KRNK.FF.W.0037.000000T0000Z-120719T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BUCKINGHAM VA-
705 PM EDT WED JUL 18 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 PM EDT FOR
CENTRAL BUCKINGHAM COUNTY...
AT 650 PM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT RUNOFF
FROM HEAVY RAIN HAD RESULTED IN WATER CROSSING THE HIGHWAYS IN
SEVERAL LOCATIONS OVER WEST CENTRAL BUCKINGHAM COUNTY. A DEPUTY
REPORTED WATER ALONG HIGHWAY 56 THAT WAS UP TO THE FENDERS OF THE
CAR. THERE WERE ALSO SEVERAL DOWNED TREES ALONG HIGHWAY 60 THAT WERE
RESULTING IN ROAD CLOSURES. THESE TREES WERE IN THE PROCESS OF
BEING CLEARED. THERE WERE ALSO REPORTS OF POWER OUTAGES IN THE
AREA.
THE THUNDERSTORM WHICH PRODUCED THE HEAVY RAIN HAS
DISSIPATED...HOWEVER...RUNOFF WILL CONTINUE TO RESULT IN FLOODING OF
LOW LYING AREAS.
LOCATIONS IN THE WARNING INCLUDE RURAL AREAS OF BUCKINGHAM COUNTY
BETWEEN BUCKINGHAM AND WINGINA ALONG HIGHWAY 56...AND BETWEEN
BUCKINGHAM AND HIGH TOWERS ALONG HIGHWAY 60. STREAMS AND CREEKS
THAT WILL LIKELY EXPERIENCE FLOODING INCLUDE...THOSE HEADWATER
STREAMS FEEDING INTO THE NORTH RIVER...ESPECIALLY FORSIP
CREEK...RIPLEY CREEK...AND DOLITTLE CREEK. BETWEEN 4 AND 6 INCHES OF
RAIN FELL WITHIN THESE SMALL STREAM BASINS...ANYONE LIVING WITHIN
THESE WATERSHEDS AT RISK OF FLOODING IF YOU LIVE IN PROXIMITY TO
THESE STREAMS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.
TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
BLACKSBURG. DO NOT DRIVE THROUGH FLOWING WATER! THE WATER MAY BE
MUCH DEEPER THAN YOU THINK. MOST FLOOD DEATHS OCCUR IN VEHICLES
WHERE PEOPLE TRY TO DRIVE THROUGH FLOODED AREAS.
&&
LAT...LON 3762 7873 3764 7872 3764 7864 3769 7837
3759 7841 3751 7856 3752 7872 3755 7875
$$782
WGUS71 KRNK 190030
FFSRNK
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
830 PM EDT WED JUL 18 2012
VAC029-190040-
/O.EXP.KRNK.FF.W.0037.000000T0000Z-120719T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BUCKINGHAM VA-
830 PM EDT WED JUL 18 2012
...THE FLASH FLOOD WARNING HAS EXPIRED FOR CENTRAL BUCKINGHAM
COUNTY...
CREEKS AND STREAMS SHOULD BE RECEDING THUS THE FLASH FLOOD WARNING
WILL BE ALLOWED TO EXPIRE.
LAT...LON 3762 7873 3764 7872 3764 7864 3769 7837
3759 7841 3751 7856 3752 7872 3755 7875
$$The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 12:27 PM EDT | Special Weather Statement | RNK | Grayson | 33 min |
| Jul 18, 12:35 PM EDT | Special Weather Statement | RNK | Grayson | 40 min |
| Jul 18, 1:13 PM EDT | Special Weather Statement | RNK | Tazewell | 62 min |
| Jul 18, 1:57 PM EDT | Special Weather Statement | RNK | Alleghany | 48 min |
| Jul 18, 2:23 PM EDT | Severe Thunderstorm Warning | RNK | Alleghany, Bath, City of Covington | 62 min |
| Jul 18, 2:30 PM EDT | Severe Thunderstorm Warning | RNK | Alleghany, Amherst, Bath, Botetourt, Rockbridge, City of Buena Vista and 1 more | 75 min |
| Jul 18, 2:35 PM EDT | Special Weather Statement | RNK | Patrick | 25 min |
| Jul 18, 2:56 PM EDT | Special Weather Statement | RNK | Buckingham | 34 min |
| Jul 18, 3:05 PM EDT | Special Weather Statement | RNK | Bland | 40 min |
| Jul 18, 3:18 PM EDT | Severe Thunderstorm Warning | RNK | Alleghany, Botetourt, Craig | 57 min |
| Jul 18, 3:23 PM EDT | Severe Thunderstorm Warning | RNK | Bland, Giles, Pulaski, Wythe | 28 min |
| Jul 18, 3:39 PM EDT | Severe Thunderstorm Warning | RNK | Patrick | 17 min |
| Jul 18, 4:00 PM EDT | Special Weather Statement | RNK | Floyd | 30 min |
| Jul 18, 4:08 PM EDT | Special Weather Statement | RNK | Franklin | 37 min |
| Jul 18, 4:18 PM EDT | Severe Thunderstorm Warning | RNK | Floyd, Franklin, Patrick | 44 min |
| Jul 18, 4:19 PM EDT | Special Weather Statement | RNK | Botetourt | 26 min |
| Jul 18, 4:25 PM EDT | Severe Thunderstorm Warning | RNK | Botetourt, Craig, Roanoke, City of Roanoke, City of Salem | 54 min |
| Jul 18, 4:38 PM EDT | Severe Thunderstorm Warning | RNK | Buckingham | 67 min |
| Jul 18, 4:43 PM EDT | Severe Thunderstorm Warning | RNK | Roanoke, City of Roanoke, City of Salem | 49 min |
| Jul 18, 5:43 PM EDT | Severe Thunderstorm Warning | RNK | Amherst, Appomattox, Buckingham | 62 min |
Nearby
Flash Flood Warnings in Virginia, 2012Every flash flood warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.