Alert archive / Virginia / Flash Flood Warnings in 2004
Flash Flood Warning 28, NWS Blacksburg, VA
NWS Blacksburg, VA issued this flash flood warning at Jul 3, 2004, 10:38 PM EDT for Amherst County, Virginia. It was in force for 3 hr. 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 3, 2004, 10:38 PM EDT (02:38 UTC)
- Expired
- Jul 4, 2004, 1:30 AM EDT
- In force
- 3 hr
- Issued by
- NWS Blacksburg, VA
- Area
- Counties, with a storm outline in the text
County Amherst County, VA
The radar
The Roanoke radar (KFCX), 128 km from the middle of the area, began a volume at 02:41 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, 2.6 hours before the alert went out and 70 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
- 818 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 813 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 57 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS51 KRNK 040238
FFWRNK
VAC009-040530-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
1038 PM EDT SAT JUL 3 2004
THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHERN AMHERST COUNTY IN CENTRAL VIRGINIA
* UNTIL 130 AM EDT
* AT 1036 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN FROM A THUNDERSTORM 5 MILES NORTHWEST OF
LOWESVILLE...OR ABOUT 7 MILES NORTHEAST OF FORKS OF BUFFALO...
MOVING NORTHWEST AT 5 MPH.
* LOCATIONS IMPACTED INCLUDE...
LOWESVILLE...
FORKS OF BUFFALO...
ALTO...
THIS WILL LIKELY CAUSE FLASH FLOODING ALONG THE PEDLAR RIVER AS WELL
AS THE PINEY RIVER IN NORTHERN AMHERST COUNTY. ADDITIONAL RAINFALL
AMOUNTS OF 1 TO 2 INCHES COULD OCCUR IN THE WARNED AREA AS THE
STORMS PERSIST OVER THE NEXT COUPLE OF HOURS.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
PLEASE RELAY REPORTS OF FLOODING TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1...8 6 6...2 1 5...4 3 2 4.
LAT...LON 3778 7920 3780 7918 3779 7909 3777 7907
3774 7908 3772 7907 3771 7905 3768 7920
3779 7926 3780 7926 3781 7923
$$
JH2 follow-up statements
000
WGUS71 KRNK 040357
FFSRNK
VAC009-040530-
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1156 PM EDT SAT JUL 3 2004
...A FLASH FLOOD WARNING CONTINUES UNTIL 130 AM EDT FOR NORTHERN
AMHERST COUNTY...
AT 1153 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR ESTIMATES
THAT IN THE PAST 4 HOURS...THREE TO ALMOST FIVE INCHES OF RAIN HAVE
HAVE FALLEN ACROSS THE WARNED AREA...WITH OVER HALF OF THIS AMOUNT
FALLING IN THE PAST TWO HOURS. MOST OF THE HEAVY RAIN HAS EXITED THE
COUNTY. HOWEVER...THERE STILL REMAINS THE POSSIBILITY OF
REDEVELOPMENT OVER THE WARNED AREA...AND RUN OFF FROM THE EARLIER
HEAVY RAIN MAY NOT HAVE REACHED ITS ACCUMULATIVE POTENTIAL IN LOW
LYING AREAS...VALLEYS AND CREEKS.
FLASH FLOODING WILL OCCUR IN AND AROUND...ALTO...LOWESVILLE AND
FORKS OF BUFFALO. ALSO POINTS ALONG THE THRASHERS AND STATONS
CREEKS...AND THE BUFFALO AND PINEY RIVERS ARE EXPECTED TO EXPERIENCE
FLASH FLOODING.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLOODING IS OBSERVED...ACT
QUICKLY. MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN
AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
BLACKSBURG.
LAT...LON 3778 7920 3780 7918 3779 7909 3777 7907
3774 7908 3772 7907 3771 7905 3768 7920
3779 7926 3780 7926 3781 7923
$$000
WGUS71 KRNK 040528
FFSRNK
VAC009-040530-
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
126 AM EDT SUN JUL 4 2004
...THE FLASH FLOOD WARNING FOR NORTHERN AMHERST COUNTY WILL BE
ALLOWED TO EXPIRE AT 130 AM...
AT 125 AM EDT...NO REPORTS OF FLOODING HAVE BEEN RECEIVED FROM THE
WARNED AREA...AND ONLY ISOLATED SHOWERS ARE STILL IN THE AREA. AS
SUCH...THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE.
LAT...LON 3778 7920 3780 7918 3779 7909 3777 7907
3774 7908 3772 7907 3771 7905 3768 7920
3779 7926 3780 7926 3781 7923
$$The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 3:09 PM EDT | Severe Thunderstorm Warning | RNK | Montgomery, City of Radford | 51 min |
| Jul 4, 4:20 PM EDT | Severe Thunderstorm Warning | RNK | Botetourt, Roanoke, City of Roanoke | 55 min |
Nearby
Flash Flood Warnings in Virginia, 2004Every flash flood warning in 2004
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.