Alert archive / Virginia / River Flood Warnings in 2015

River Flood Warning 6, NWS Blacksburg, VA

April 20, 2015Pittsylvania County, City of Danville, Virginia; Caswell County, North Carolina

NWS Blacksburg, VA issued this river flood warning at Apr 20, 2015, 11:42 PM EDT for Pittsylvania County, City of Danville, Virginia; Caswell County, North Carolina. It was in force for 23 hr.

The area

The outline as issued.

The facts

Issued
Apr 20, 2015, 11:42 PM EDT (03:42 UTC)
Expired
Apr 21, 2015, 11:00 PM EDT
In force
23 hr
Issued by
NWS Blacksburg, VA
Area
Storm-based polygon
Flood severity
Minor

Counties Caswell County, NC, City of Danville, VA, Pittsylvania County, VA

The radar

The Roanoke radar (KFCX), 89 km from the middle of the area, began a volume at 03:43 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 river

Written for the forecast point Dan River at STP near Danville (DVLV2). The gauge peaked at 17.46 ft at Apr 21, 2015, 7:00 AM EDT.

actionminormoderate102004/2104/2204/23
Action stage
18 ft
Minor stage
21 ft
Moderate stage
26 ft
Major stage
32 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 02075045, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The text

As transmitted, in the capitals the NWS used until 2016.

555 
WGUS41 KRNK 210343
FLWRNK
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING 
NATIONAL WEATHER SERVICE BLACKSBURG VA  
1143 PM EDT MON APR 20 2015

...The National Weather Service Blacksburg Va has issued
a Flood Warning for the following rivers in North Carolina...
Virginia...

  Dan River Near Danville affecting Caswell...City of Danville and 
  Pittsylvania Counties


Runoff from earlier heavy rainfall will cause the Dan River at 
Danville to rise above flood stage over the the next few hours.
However only minor flooding is expected.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive through flooded areas...the water may be much deeper 
than you think.

Listen to noaa weather radio or your favorite media outlet for later 
statements or warnings.

&&

NCC033-VAC143-590-211543-
/O.NEW.KRNK.FL.W.0006.150421T0342Z-150422T0300Z/
/DVLV2.1.ER.150421T0342Z.150421T0600Z.150421T1500Z.NO/
1143 PM EDT MON APR 20 2015

The National Weather Service in Blacksburg Va has issued a 

* Flood Warning for 
  the Dan River Near Danville.
* from this evening until Tuesday evening.
* at 11PM Monday the stage was...16.9 feet.
* Minor flooding is forecast.
* Flood Stage is 17.0 feet. 
* This crest compares to a previous crest of 17.5 feet on Jan 12 2014.

&&

LAT...LON 3649 7966 3660 7963 3664 7941 3663 7920
          3648 7923 3650 7949         

$$
4 follow-up statements
125 
WGUS81 KRNK 210825
FLSRNK
 
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE BLACKSBURG VA 
425 AM EDT TUE APR 21 2015

...The Flood Warning continues for the following rivers in 
Virginia...North Carolina...
 
  Roanoke River At Randolph affecting Charlotte and Halifax Counties 
  Dan River Near Danville affecting Caswell...City of Danville and 
  Pittsylvania Counties 
  Dan River At South Boston affecting Halifax County 

 Runoff the heavy rain from Sunday and Monday had reached the Dan and Roanoke Rivers. Minor flooding is expected on the Dan River at Danville this morning. Minor flooding is expected in the Dan River at South Boston through late this evening. Minor Flooding is expected on the Roanoke River at Randolph through Wednesday morning. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive through flooded areas...the water may be much deeper 
than you think.

 Graphical forecast information is available on the internet at 
http://www.erh.noaa.gov/rnk (lower case). Click on 'rivers & lakes 
ahps'.

The next scheduled statement will be issued by noon. 

&&

VAC037-083-211625-
/O.EXT.KRNK.FL.W.0004.150421T1023Z-150422T2254Z/
/RNDV2.1.ER.150421T1023Z.150421T1800Z.150422T1054Z.NO/
425 AM EDT TUE APR 21 2015

The Flood Warning continues for
  the Roanoke River At Randolph.
* From this morning until Wednesday morning
* At 04AM Tuesday the stage was 19.7 feet.

* Flood stage is 21.0 feet.
* Forecast to rise above flood stage by 8AM and continue to 
  rise to near 22.8 feet by this afternoon. The river will fall below
  flood stage by tomorrow morning.
* At 22.0 feet...River Road (Route 607) in Charlotte County and 
  Black Walnut Road in Halifax County are closed by flooding.
* This crest compares to a previous crest of 22.5 feet on Feb 1 2013.

&&

LAT...LON 3695 7885 3703 7882 3702 7872 3690 7866
          3680 7863 3680 7870        

$$

NCC033-VAC143-590-211624-
/O.EXT.KRNK.FL.W.0006.000000T0000Z-150422T0148Z/
/DVLV2.1.ER.150421T0338Z.150421T0745Z.150421T1348Z.NO/
425 AM EDT TUE APR 21 2015

The Flood Warning continues for
  the Dan River Near Danville.
* until this evening. 
* At 04AM Tuesday the stage was 17.4 feet.

* Flood stage is 17.0 feet.
* The river was cresting and will fall to below flood stage by late this 
  morning.
* This crest compares to a previous crest of 17.5 feet on Jan 12 2014.

&&

LAT...LON 3649 7966 3660 7963 3664 7941 3663 7920
          3648 7923 3650 7949         

$$

VAC083-211624-
/O.EXT.KRNK.FL.W.0005.150421T0812Z-150423T1541Z/
/SBNV2.1.ER.150421T0737Z.150422T1200Z.150423T0341Z.NO/
425 AM EDT TUE APR 21 2015

The Flood Warning continues for
  the Dan River At South Boston.
* From early this morning until Thursday morning
* At 04AM Tuesday the stage was 19.1 feet.

* Flood stage is 19.0 feet.
* Forecast to rise to near 22.6 feet by tomorrow morning. The river 
  will fall below flood stage by late tomorrow evening.
* This crest compares to a previous crest of 22.1 feet on May 16 2014.

&&

LAT...LON 3660 7898 3672 7902 3675 7884 3668 7879
                                      

$$
826 
WGUS81 KRNK 211118
FLSRNK
 
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE BLACKSBURG VA 
718 AM EDT TUE APR 21 2015

...The flood warning continues for the following rivers in 
Virginia...North Carolina..
  Roanoke River At Randolph affecting Charlotte and Halifax Counties
  
  Dan River Near Danville affecting Caswell...City of Danville and 
  Pittsylvania Counties 
  Dan River At South Boston affecting Halifax County 


 runoff the heavy rain from Sunday and Monday had reached the Dan and
 Roanoke Rivers. Minor flooding is occurring on the Dan River at Danville
 this morning. Minor flooding is expected in the Dan River at South Boston
 through late this evening. Minor Flooding is expected on the Roanoke
 River at Randolph through Wednesday morning. 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive through flooded areas...the water may be much deeper 
than you think.

 Graphical forecast information is available on the internet at 
http://www.erh.noaa.gov/rnk (lower case). Click on 'rivers & lakes 
ahps'.
 
The next scheduled statement will be issued by noon.

&&

VAC037-083-211918-
/O.CON.KRNK.FL.W.0004.000000T0000Z-150422T2254Z/
/RNDV2.1.ER.150421T1120Z.150421T1800Z.150422T1054Z.NO/
718 AM EDT TUE APR 21 2015

the Flood Warning continues for
  the Roanoke River At Randolph.
* From this morning until Wednesday evening
* At 07AM Tuesday the stage was 20.3 feet.

* Flood stage is 21.0 feet.
* Forecast to rise above flood stage around 9AM this morning and continue
  to rise to near 22.8 feet by this afternoon. The river will fall below
  flood stage by tomorrow morning.
* At 22.0 feet...River Road (Route 607) in Charlotte County and 
  Black Walnut Road in Halifax County are closed by flooding.
* This crest compares to a previous crest of 22.5 feet on Feb 1 2013.

&&

LAT...LON 3695 7885 3703 7882 3702 7872 3690 7866
          3680 7863 3680 7870        

$$

NCC033-VAC143-590-211918-
/O.CON.KRNK.FL.W.0006.000000T0000Z-150422T0148Z/
/DVLV2.1.ER.150421T0338Z.150421T1046Z.150421T1348Z.NO/
718 AM EDT TUE APR 21 2015

the Flood Warning continues for
  the Dan River Near Danville.
* until this evening. 
* At 07AM Tuesday the stage was 17.5 feet.

* Flood stage is 17.0 feet.
* The river was cresting and will continue to fall to below flood stage 
  around noon.
* This crest compares to a previous crest of 17.5 feet on Jan 12 2014.

&&

LAT...LON 3649 7966 3660 7963 3664 7941 3663 7920
          3648 7923 3650 7949         

$$

VAC083-211918-
/O.CON.KRNK.FL.W.0005.000000T0000Z-150423T1541Z/
/SBNV2.1.ER.150421T0730Z.150422T1200Z.150423T0341Z.NO/
718 AM EDT TUE APR 21 2015

the Flood Warning continues for
  the Dan River At South Boston.
* until Thursday morning. 
* At 07AM Tuesday the stage was 19.7 feet.

* Flood stage is 19.0 feet.
* The river will continue rising to near 22.6 feet by tomorrow 
  morning. The river will fall below flood stage tomorrow late 
  evening.
* This crest compares to a previous crest of 22.1 feet on May 16 2014.

&&

LAT...LON 3660 7898 3672 7902 3675 7884 3668 7879
                                      

$$
201 
WGUS81 KRNK 211418
FLSRNK
 
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE BLACKSBURG VA 
1018 AM EDT TUE APR 21 2015

...The Flood Warning continues for the following rivers in 
Virginia...North Carolina...
 
  Roanoke River At Randolph affecting Charlotte and Halifax Counties 
  Dan River Near Danville affecting Caswell...City of Danville and 
  Pittsylvania Counties 
  Dan River At South Boston affecting Halifax County 


Runoff from the past 2 days of rain will continue to keep portions
of the Roanoke and Dan River basins in flood today. Only minor
flooding is expected, and the Dan River at Danville has actually
crested and is falling, so it should be below flood stage
shortly after noon today.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive through flooded areas...the water may be much deeper 
than you think.

 Graphical forecast information is available on the internet at 
http://www.erh.noaa.gov/rnk (lower case). Click on 'rivers & lakes 
ahps'.

 
 
The next scheduled statement will be issued when the Dan River
drops below flood stage at Danville, or by late afternoon.

&&

VAC037-083-212218-
/O.EXT.KRNK.FL.W.0004.000000T0000Z-150422T0600Z/
/RNDV2.1.ER.150421T1800Z.150421T1800Z.150421T1800Z.NO/
1018 AM EDT TUE APR 21 2015

The Flood Warning continues for
  the Roanoke River At Randolph.
* From this afternoon until late tonight
* At 09AM Tuesday the stage was 20.5 feet.

* Flood stage is 21.0 feet and rising.
* Forecast to rise to flood stage of 21.0 feet by this afternoon. The river will fall 
  below flood stage by dusk.
* At 21.0 feet...Water approaches River Road (Route 607) south of 
  Randolph.
* This crest compares to a previous crest of 21.1 feet on Jan 18 2013.

&&

LAT...LON 3695 7885 3703 7882 3702 7872 3690 7866
          3680 7863 3680 7870        

$$

NCC033-VAC143-590-212218-
/O.EXT.KRNK.FL.W.0006.000000T0000Z-150422T0321Z/
/DVLV2.1.ER.150421T0338Z.150421T1216Z.150421T1521Z.NO/
1018 AM EDT TUE APR 21 2015

The Flood Warning continues for
  the Dan River Near Danville.
* until this evening. 
* At 09AM Tuesday the stage was 17.3 feet and falling. The
  river crested at 17.5 feet at at 745 am today.
* Flood stage is 17.0 feet.
* The river will continue to fall to below flood stage by early
  this afternoon.
* This crest compares to a previous crest of 17.5 feet on Jan 12 2014.

&&

LAT...LON 3649 7966 3660 7963 3664 7941 3663 7920
          3648 7923 3650 7949         

$$

VAC083-212218-
/O.EXT.KRNK.FL.W.0005.000000T0000Z-150423T0408Z/
/SBNV2.1.ER.150421T0730Z.150422T0600Z.150422T1608Z.NO/
1018 AM EDT TUE APR 21 2015

The Flood Warning continues for
  the Dan River At South Boston.
* until late Wednesday night. 
* At 09AM Tuesday the stage was 20.4 feet and rising.
* Flood stage is 19.0 feet.
* The river will continue rising to near 22.0 feet by early Wednesday
  morning. The river will fall below flood stage by early Wednesday
  afternoon.
* This crest compares to a previous crest of 22.1 feet on May 16 2014.

&&

LAT...LON 3660 7898 3672 7902 3675 7884 3668 7879
                                      

$$
695 
WGUS81 KRNK 211607
FLSRNK
 
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE BLACKSBURG VA 
1207 PM EDT TUE APR 21 2015

...The Flood Warning is cancelled for the following rivers
in North Carolina...Virginia...
 
  Dan River Near Danville affecting Caswell...City of Danville and 
  Pittsylvania Counties
 
...The flood warning continues for the following rivers in Virginia..
  Roanoke River At Randolph affecting Charlotte and Halifax Counties
  
  Dan River At South Boston affecting Halifax County 


The Dan River at Danville has fallen below flood stage and will
continue to fall. Minor flooding will continue this afternoon
for Randolph along the Roanoke River, and through Wednesdy
afternoon for the Dan River at South Boston.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive through flooded areas...the water may be much deeper 
than you think.

 Graphical forecast information is available on the internet at 
http://www.erh.noaa.gov/rnk (lower case). Click on 'rivers & lakes 
ahps'.

 
 
The next scheduled statement will be issued by 8 pm this evening
or when the Roanoke River at Randolph falls below flood stage.

&&

VAC037-083-220007-
/O.CON.KRNK.FL.W.0004.000000T0000Z-150422T0600Z/
/RNDV2.1.ER.150421T1800Z.150421T1800Z.150421T1800Z.NO/
1207 PM EDT TUE APR 21 2015

the Flood Warninig continues for
  the Roanoke River At Randolph.
* From this afternoon until late tonight
* At 10AM Tuesday the stage was 20.5 feet and slowly rising.
* Flood stage is 21.0 feet.
* Forecast to rise to near 21.0 feet by this afternoon. The river will fall 
  below flood stage by dusk.
* At 21.0 feet...Water approaches River Road (Route 607) south of 
  Randolph.
* This crest compares to a previous crest of 21.1 feet on Jan 18 2013.

&&

LAT...LON 3695 7885 3703 7882 3702 7872 3690 7866
          3680 7863 3680 7870        

$$

NCC033-VAC143-590-211637-
/O.CAN.KRNK.FL.W.0006.000000T0000Z-150422T0321Z/
/DVLV2.1.ER.150421T0338Z.150421T1216Z.150421T1452Z.NO/
1207 PM EDT TUE APR 21 2015

the Flood Warning is cancelled for
  the Dan River Near Danville.
* until this evening. 
* At 11AM Tuesday the stage was 16.7 feet and falling.
  The river crested at 17.5 feet at 745 am today.
* Flood stage is 17.0 feet.
* This crest compares to a previous crest of 17.5 feet on Jan 12 2014.

&&

LAT...LON 3649 7966 3660 7963 3664 7941 3663 7920
          3648 7923 3650 7949         

$$

VAC083-220007-
/O.CON.KRNK.FL.W.0005.000000T0000Z-150423T0408Z/
/SBNV2.1.ER.150421T0730Z.150422T0600Z.150422T1608Z.NO/
1207 PM EDT TUE APR 21 2015

the Flood Warninig continues for
  the Dan River At South Boston.
* until late Wednesday night. 
* At 11AM Tuesday the stage was 20.7 feet and rising.
* Flood stage is 19.0 feet.
* The river will continue rising to near 22.0 feet by early Wednesday
  morning. The river will fall below flood stage early Wednesday 
  afternoon.
* This crest compares to a previous crest of 22.1 feet on May 16 2014.

&&

LAT...LON 3660 7898 3672 7902 3675 7884 3668 7879
                                      

$$

What forecasters said that day

The local office's own words before this river flood 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 river flood warning went out at Apr 20, 9:46 PM EDT, 1 hour 56 minutes earlier.

Area forecast discussion, Apr 20, 9:46 PM EDT, 1 hour 56 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BLACKSBURG VA
946 PM EDT MON APR 20 2015

.SYNOPSIS...
A COLD FRONT WILL CONTINUE TO MOVE EAST THROUGH THE REGION TONIGHT
BRINGING AN END TO MOST OF THE SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT. IN THE WAKE OF THE FRONT...A COOLER...BREEZY...AND
SOMEWHAT UNSETTLED PATTERN EXPECTED THROUGH THE MIDDLE OF THE WORK
WEEK...WITH THE BEST CHANCE OF MORE SHOWERS AND THUNDERSTORMS
ARRIVING WITH ANOTHER FRONT ON WEDNESDAY.

&&

.NEAR TERM /THROUGH TUESDAY/...
AS OF 935 PM EDT MONDAY...

WILL BE ALLOWING SEVERE WATCH 89 TO EXPIRE AT 10 PM. LATEST RADAR
TRENDS SHOW MUCH OF THE DEEPER CONVECTION IN A WEAKENED STATE WITH
LOSS OF HEATING. HOWEVER A FEW CLUSTERS RIGHT ALONG THE COLD
FRONT OVER THE WESTERN MOUNTAINS MAY CONTINUE TO PRODUCE BRIEF
STRONGER WIND GUSTS OVER THE NEXT HOUR OR SO. OTHERWISE WILL KEEP
THE GOING DRIER SCENARIO ESPCLY AFTER MIDNIGHT WITH MUCH DRIER AIR
SURGING IN BEHIND THE FRONT THAT SHOULD BE EAST OF THE REGION
DURING THE EARLY MORNING HOURS. MODELS STILL SHOW A BIT OF UPSLOPE
DRIVEN SHOWERS REDEVELOPING WEST LATE SO KEPT IN SOME LOW POPS FOR
SCATTERED COVERAGE WHILE DRYING OUT AREAS FROM THE BLUE RIDGE EAST
AFTER MIDNIGHT WITH SOME CLEARING AS WELL. QUICK INCREASE IN 85H
WINDS ALONG WITH A BRIEF SHOT OF COOL ADVECTION AND DECENT
PRESSURE RISES SUPPORT SOME STRONGER POST FRONTAL GUSTS TO 35-40
MPH ON THE RIDGES TOWARD DAYBREAK SO BUMPED UP GUSTS. NOT A LOT OF
CHANGE WITH LOWS GIVEN CLOUDS WEST AND MIXING MOST SPOTS THAT
COULD HOLD LOCATIONS FROM THE BLUE RIDGE EAST IN THE 50S OVERNIGHT
WITH MOSTLY 40S OUT WEST.

PREVIOUS DISCUSSION AS OF 310 PM EDT MONDAY...

SEVERE THUNDERSTORM WATCH 89 IS IN EFFECT UNTIL 10 PM THIS EVENING.

SHOWERS AND THUNDERSTORMS...SOME STRONG TO SEVERE WILL DEVELOP THIS
AFTERNOON INTO TONIGHT AHEAD AND ALONG A COLD FRONT.  THE MAIN
THREATS ARE FOR THUNDERSTORMS WITH DAMAGING WINDS AND LARGE
HAIL...ALONG WITH LOCALLY HEAVY RAIN. THE 18Z RNK SOUNDING SHOWED A
CAP AROUND 700 MB THAT WILL BREAK QUICKLY THIS AFTERNOON WITH
HEATING AND EXPECTED CAPE ABOVE 1000 J/KG. DEEP LAYER SHEAR OVER 40
KTS AND STRONG UPDRAFTS ARE POSSIBLE LATER THIS AFTERNOON INTO THIS
EVENING.

REGIONAL WSR88D IMAGE SHOWED STRONG TO SEVERE CONVECTION OVER
WESTERN NORTH CAROLINA EXPANDING NORTHEAST INTO OUR AREA.

THE COLD FRONT WILL PUSH EAST OF OUR AREA THIS EVENING INTO
TONIGHT. STRONG 6H PRESSURE RISES BEHIND THE FRONT WILL BRING
BREEZY AND GUSTY WESTERLY WINDS TO THE AREA THIS EVENING INTO
TONIGHT. LOW TEMPERATURES TONIGHT WILL DROP INTO THE UPPER 30S IN
THE MOUNTAINS TO THE LOWER 50S IN THE PIEDMONT. HIGH PRESSURE
WILL BUILD SOUTHEAST INTO OUR AREA TUESDAY. HIGHS TEMPERATURES ON
TUESDAY WILL WARM INTO THE LOWER 50S IN THE NORTHWEST MOUNTAINS
TO THE LOWER 70S.

&&

.SHORT TERM /TUESDAY NIGHT THROUGH THURSDAY/...
AS OF 214 PM EDT MONDAY...

UPPER TROUGH WILL BE SITUATED RIGHT OVER THE AREA TUESDAY NIGHT WITH
NEXT SFC FRONT WORKING ACROSS BY WEDNESDAY...THOUGH WITH MORE WNW
FLOW ALOFT AND LACK OF SOUTHERLY INFLOW AHEAD OF THIS
SYSTEM...MOISTURE WILL BE LIMITED. AS SUCH HAVE LIMITED CHANCE POPS
OVER THE MOUNTAINS WITH SOME CHANCE INTO THE NE PIEDMONT OF
VA...WITH LESS COVERAGE INTO THE NC PIEDMONT...AS WE SHOULD SEE SOME
DOWNSLOPE DRYING AND SHEARING OF THE VERTICAL DEVELOPMENT. JUST
ENOUGH INSTABILITY WITH COLDER AIR ALOFT TO MENTION THUNDER IN THE
AFTERNOON WEDNESDAY. SHOULD BE A BREEZY DAY WITH HIGHS FROM THE
UPPER 50S OVER SE WV TO LOWER 70S SOUTHEAST.

WEDNESDAY NIGHT THROUGH THURSDAY WILL BE MAINLY DRY WITH CONTINUED
UPPER TROUGH SLIDING ACROSS THE AREA...BUT AXIS SHIFTING MORE OVER
THE COAST. NW FLOW MAY KEEP SHOWERS GOING INTO THE MOUNTAINS WED
EVENING.  UPPER RIDGING ARRIVES OVER THE LOWER MS VALLEY WITH SFC
HIGH IN THE TN VALLEY.

&&

.LONG TERM /THURSDAY NIGHT THROUGH MONDAY/...
AS OF 130 PM EDT MONDAY...

NOT MUCH CHANGE TO THIS FORECAST. HIGH PRESSURE AT THE SFC BUILDS
SOUTHEAST FROM THE OHIO VALLEY INTO FRIDAY. A SOUTHERN STREAM LOW
ARRIVES OVER THE AR/OK BORDER BY SATURDAY MORNING WITH OVERRUNNING
CLOUDS WORKING INTO THE AREA FRIDAY AHEAD OF A WARM FRONT. BY
SATURDAY ENOUGH MOISTURE TO ALLOW FOR SHOWERS TO FORM BY SATURDAY
MORNING WITH BEST FORCING ACROSS THE CAROLINAS. THIS SYSTEM EXITS BY
SAT NIGHT WITH SUNDAY BEING A DRY AND COOL/MILD DAY WITH HIGHS IN
THE 50S MOUNTAINS TO 60S EAST. HIGH PRESSURE TO ASSUME POSITION OVER
THE OHIO VALLEY INTO THE SRN APPALACHIANS MONDAY TO KEEP THINGS DRY.
NEXT SOUTHERN STREAM SYSTEM MAY WORK SOME SHOWERS OUR WAY BY TUESDAY.

&&

.AVIATION /02Z TUESDAY THROUGH SATURDAY/...
AS OF 651 PM EDT MONDAY...

BROKEN BANDS OF CONVECTION ACROSS THE REGION WILL LIKELY LINGER
INTO EARLY THIS EVENING BEFORE FADING WITH LOSS OF HEATING AS A
COLD FRONT WORKS THROUGH THE REGION BY MIDNIGHT. THIS SHOULD
CONTINUE TO PRODUCE BRIEF PERIODS OF MVFR IN ISOLATED SHRA/TSRA
WITH LOCAL IFR POSSIBLE IF A HEAVIER CLUSTER MOVES RIGHT ACROSS A
TAF SITE. FOR NOW WILL KEEP THINGS MOSTLY VFR WITH INCLUSION OF A
TEMPO OR VICINITY MENTION TO COVER SHORT TERM COVERAGE OVER THE
NEXT FEW HOURS WITH MOST CELLS LIKELY BELOW SEVERE LIMITS FOR THE
MOST PART.

PRESSURE RISES BEHIND THE FRONT WILL BRING BREEZY AND GUSTY
WESTERLY WINDS TO THE AREA LATER THIS EVENING INTO THE OVERNIGHT.
ALSO THIS EVENING INTO TONIGHT BEHIND THE FRONT...SOME MVFR
CEILINGS ARE POSSIBLE IN THE MOUNTAINS. UNCERTAINTY ON HOW LOW
CLOUD BASES WILL GET ONCE THE SHOWERS CLEAR OUT TONIGHT. ANOTHER
ISSUE IS THAT ANY LOCATION THAT RECEIVED OVER AN INCH OF RAIN MAY
SEE FOG DEVELOPING OVERNIGHT INTO TUESDAY. VFR CONDITIONS SHOULD
RETURN LATER TONIGHT AND TUESDAY WITH HIGH PRESSURE BUILDING IN
BEHIND THE FRONT WITH A DRIER AIRMASS AND CONTINUED GUSTY NW
WINDS.

EXTENDED AVIATION...

THEN THE NEXT CHANCE OF MVFR CONDITIONS AND PRECIPITATION WILL BE
IN THE MOUNTAINS ON WEDNESDAY AND THURSDAY. HIGH PRESSURE
AT THE SURFACE BUILDS SOUTHEAST FROM THE OHIO VALLEY THURSDAY
NIGHT INTO FRIDAY. OVERRUNNING CLOUDS WORKING INTO THE AREA
FRIDAY AHEAD OF A WARM FRONT. BY SATURDAY...ENOUGH MOISTURE TO
ALLOW FOR SHOWERS TO FORM BY SATURDAY MORNING WITH BEST FORCING
ACROSS THE CAROLINAS.

&&

.HYDROLOGY...
AS OF 940 PM EDT MONDAY...

AFTER THE IMPRESSIVE RAINFALL SINCE YESTERDAY MORNING...WHICH SAW
OVER 6 INCHES AT A FEW GAGES IN ALLEGHANY COUNTY NC...RIVERS AND
LARGE CREEKS IN THE NEW RIVER AND UPPER ROANOKE VALLEYS HAVE
MOSTLY CRESTED AND ARE FALLING EARLY TONIGHT. STAGES ALONG THE
MAINSTEM NEW WILL CONTINUE TO RISE DOWNSTREAM FROM RADFORD
OVERNIGHT WITH GLEN LYN EXPECTED TO JUST TOP THE 15 FOOT FLOOD
STAGE JUST AFTER MIDNIGHT. RADFORD FLOODING WILL CONTINUE INTO
TONIGHT AS WATER FROM ABOVE CLAYTOR LAKE IS PASSED THROUGH.
ADDED RIVER FLOOD WARNINGS NOW ISSUED FOR THE LOWER ROANOKE RIVER
AT RANDOLPH AND AT SOUTH BOSTON ON THE DAN FOR MINOR FLOODING.
LOCATIONS AROUND DANVILLE WILL ALSO BE CLOSE TO FLOOD OVERNIGHT AS
WELL AS PACES LATE TUESDAY.

&&

.RNK WATCHES/WARNINGS/ADVISORIES...
VA...NONE.
NC...NONE.
WV...NONE.

&&

SYNOPSIS...JH/KK
NEAR TERM...JH/KK
SHORT TERM...WP
LONG TERM...WP
AVIATION...AMS/JH/KK
HYDROLOGY...JH/PC
Hazardous weather outlook, Apr 20, 10:01 PM EDT, 1 hour 41 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE BLACKSBURG VA
1001 PM EDT MON APR 20 2015

NCZ001>006-018>020-VAZ007-009>020-022>024-032>035-043>047-058-059-
WVZ042>044-507-508-220215-
ASHE-ALLEGHANY NC-SURRY-STOKES-ROCKINGHAM-CASWELL-WATAUGA-WILKES-
YADKIN-TAZEWELL-SMYTH-BLAND-GILES-WYTHE-PULASKI-MONTGOMERY-GRAYSON-
CARROLL-FLOYD-CRAIG-ALLEGHANY VA-BATH-ROANOKE-BOTETOURT-ROCKBRIDGE-
PATRICK-FRANKLIN-BEDFORD-AMHERST-HENRY-PITTSYLVANIA-CAMPBELL-
APPOMATTOX-BUCKINGHAM-HALIFAX-CHARLOTTE-MERCER-SUMMERS-MONROE-
EASTERN GREENBRIER-WESTERN GREENBRIER-
1001 PM EDT MON APR 20 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL NORTH
CAROLINA...NORTHWEST NORTH CAROLINA...CENTRAL VIRGINIA...SOUTH
CENTRAL VIRGINIA...SOUTHWEST VIRGINIA...WEST CENTRAL VIRGINIA AND
SOUTHEAST WEST VIRGINIA.

.DAY ONE...TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Local storm report, Apr 20, 7:22 PM EDT, 4 hours 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
722 PM EDT MON APR 20 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0515 PM     HAIL             2 NE VIRGILINA          36.57N 78.76W
04/20/2015  E1.00 INCH       HALIFAX            VA   TRAINED SPOTTER

&&

JDR
Local storm report, Apr 20, 7:32 PM EDT, 4 hours 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
732 PM EDT MON APR 20 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0730 PM     HAIL             3 ENE IVANHOE           36.85N 80.91W
04/20/2015  E0.25 INCH       WYTHE              VA   TRAINED SPOTTER

&&

JDR
Special weather statement, Apr 20, 7:35 PM EDT, 4 hours 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
735 PM EDT MON APR 20 2015

NCZ002-003-019-210000-
SURRY NC-ALLEGHANY NC-WILKES NC-
735 PM EDT MON APR 20 2015

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* SPECIAL WEATHER STATEMENT FOR...
  NORTHWESTERN SURRY COUNTY IN NORTH CENTRAL NORTH CAROLINA...
  SOUTHEASTERN ALLEGHANY COUNTY IN NORTHWESTERN NORTH CAROLINA...
  NORTHERN WILKES COUNTY IN NORTHWESTERN NORTH CAROLINA...

* UNTIL 800 PM EDT

* AT 735 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
  STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM NEAR LOW GAP TO
  NEAR MAPLE SPRINGS...MOVING TO THE EAST AT 30 MPH.

* 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 LINE OF STORMS.

* LOCATIONS IMPACTED INCLUDE...
  MOUNT AIRY...
  MOUNTAIN PARK...
  TRAPHILL...
  BOTTOM...
  AND HALLS MILLS.

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.

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 3652 8055 3622 8112 3620 8141 3650 8089
TIME...MOT...LOC 2333Z 257DEG 25KT 3646 8086 3622 8134

DS
Local storm report, Apr 20, 8:00 PM EDT, 3 hours 42 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
800 PM EDT MON APR 20 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0753 PM     HAIL             1 NNE PEMBROKE          37.34N 80.63W
04/20/2015  M0.50 INCH       GILES              VA   TRAINED SPOTTER

&&

WHP
Special weather statement, Apr 20, 9:29 PM EDT, 2 hours 13 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
929 PM EDT MON APR 20 2015

VAZ010-011-WVZ042>044-507-210200-
BLAND VA-GILES VA-MERCER WV-SUMMERS WV-EASTERN GREENBRIER WV-
MONROE WV-
929 PM EDT MON APR 20 2015

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* SPECIAL WEATHER STATEMENT FOR...
  NORTHEASTERN BLAND COUNTY IN SOUTHWESTERN VIRGINIA...
  GILES COUNTY IN SOUTHWESTERN VIRGINIA...
  EASTERN MERCER COUNTY IN SOUTHEASTERN WEST VIRGINIA...
  SOUTHERN SUMMERS COUNTY IN SOUTHEASTERN WEST VIRGINIA...
  THE EASTERN GREENBRIER IN SOUTHEASTERN WEST VIRGINIA...
  WESTERN MONROE COUNTY IN SOUTHEASTERN WEST VIRGINIA...

* UNTIL 1000 PM EDT

* AT 928 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
  STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM NEAR ELLISON TO
  NEAR ROCKY GAP...MOVING TO THE EAST AT 55 MPH.

* WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THESE STORMS. VERY HEAVY
  RAIN IS FALLING...AND WILL CAUSE WATER TO POND ON ROADWAYS AND
  QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.

* LOCATIONS IMPACTED INCLUDE...
  ROCKY GAP...
  PEARISBURG...
  NARROWS...
  MOUNTAIN LAKE...
  AND PIPESTEM.

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 3776 8048 3726 8056 3724 8062 3722 8112
      3763 8106
TIME...MOT...LOC 0127Z 260DEG 47KT 3761 8101 3726 8107

DS
Local storm report, Apr 20, 10:48 PM EDT, 54 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE BLACKSBURG VA
1048 PM EDT MON APR 20 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0319 PM     HAIL             BRADSHAW                37.30N 80.23W
04/20/2015  E0.25 INCH       ROANOKE            VA   PUBLIC

0324 PM     HAIL             5 SW BETHANY            36.26N 79.92W
04/20/2015  E0.50 INCH       ROCKINGHAM         NC   911 CALL CENTER

0333 PM     HAIL             ENNICE                  36.55N 81.00W
04/20/2015  E0.25 INCH       ALLEGHANY          NC   PUBLIC

0335 PM     HAIL             6 WSW EDEN              36.48N 79.84W
04/20/2015  E0.50 INCH       ROCKINGHAM         NC   TRAINED SPOTTER

0337 PM     HAIL             EDEN                    36.51N 79.74W
04/20/2015  E1.00 INCH       ROCKINGHAM         NC   TRAINED SPOTTER

            VARIOUS SIZES BUT SOME WERE QUARTER SIZE

0344 PM     HAIL             1 S EDEN                36.50N 79.74W
04/20/2015  E1.00 INCH       ROCKINGHAM         NC   PUBLIC

0345 PM     HAIL             5 SSW REIDSVILLE        36.29N 79.71W
04/20/2015  E1.00 INCH       ROCKINGHAM         NC   TRAINED SPOTTER

0348 PM     HAIL             5 SSW REIDSVILLE        36.29N 79.71W
04/20/2015  E1.00 INCH       ROCKINGHAM         NC   PUBLIC

0400 PM     HAIL             1 SE AXTON              36.66N 79.71W
04/20/2015  E0.25 INCH       HENRY              VA   PUBLIC

0402 PM     HAIL             E SEVEN DEVILS          36.15N 81.81W
04/20/2015  E0.88 INCH       WATAUGA            NC   COCORAHS

0405 PM     HAIL             4 ESE QUICK             36.37N 79.44W
04/20/2015  M1.00 INCH       CASWELL            NC   TRAINED SPOTTER

0415 PM     HAIL             4 NE QUICK              36.44N 79.45W
04/20/2015  E1.00 INCH       CASWELL            NC   TRAINED SPOTTER

            NICKLE AND QUARTER SIZED HAIL

0417 PM     HAIL             YANCEYVILLE             36.41N 79.34W
04/20/2015  E1.75 INCH       CASWELL            NC   PUBLIC

0419 PM     HAIL             8 E HILLSVILLE          36.77N 80.59W
04/20/2015  E0.50 INCH       CARROLL            VA   TRAINED SPOTTER

0429 PM     HAIL             1 S BOONE               36.19N 81.67W
04/20/2015  E0.50 INCH       WATAUGA            NC   TRAINED SPOTTER

            ENOUGH HAIL TO COVER THE GROUND COMPLETELY

0436 PM     HAIL             5 S BLACKSBURG          37.17N 80.43W
04/20/2015  E0.25 INCH       MONTGOMERY         VA   NWS EMPLOYEE

0437 PM     HAIL             6 SE INDIAN VALLEY      36.86N 80.48W
04/20/2015  E0.50 INCH       FLOYD              VA   TRAINED SPOTTER

0445 PM     HAIL             5 NNW JEFFERSON         36.49N 81.50W
04/20/2015  E1.00 INCH       ASHE               NC   TRAINED SPOTTER

0500 PM     HAIL             1 SSE WYTHEVILLE        36.94N 81.08W
04/20/2015  E1.25 INCH       WYTHE              VA   PUBLIC

0506 PM     HAIL             4 WSW MAX MEADOWS       36.94N 81.00W
04/20/2015  E0.75 INCH       WYTHE              VA   TRAINED SPOTTER

0508 PM     HAIL             3 W VIRGILINA           36.55N 78.84W
04/20/2015  M1.00 INCH       HALIFAX            VA   TRAINED SPOTTER

            COVERED THE GROUND AND STRIPPED THE LEAVES OFF THE TREES.

0510 PM     HAIL             5 NNW INDEPENDENCE      36.68N 81.20W
04/20/2015  E0.25 INCH       GRAYSON            VA   TRAINED SPOTTER

0514 PM     HAIL             4 WSW MAX MEADOWS       36.94N 81.00W
04/20/2015  E0.88 INCH       WYTHE              VA   TRAINED SPOTTER

            COVERING THE GROUND

0515 PM     HAIL             2 NE VIRGILINA          36.57N 78.76W
04/20/2015  E1.00 INCH       HALIFAX            VA   TRAINED SPOTTER

0525 PM     HAIL             4 W ROANOKE             37.29N 80.04W
04/20/2015  E0.75 INCH       CITY OF SALEM      VA   TRAINED SPOTTER

0544 PM     HAIL             4 S GRASSY CREEK        36.50N 81.39W
04/20/2015  E0.50 INCH       ASHE               NC   PUBLIC

0550 PM     HAIL             3 NNW BLACKSBURG        37.28N 80.43W
04/20/2015  E0.25 INCH       MONTGOMERY         VA   TRAINED SPOTTER

0550 PM     HAIL             PEMBROKE                37.33N 80.63W
04/20/2015  E0.75 INCH       GILES              VA   TRAINED SPOTTER

0550 PM     HAIL             4 SSW MOUNTAIN LAKE     37.30N 80.58W
04/20/2015  E0.50 INCH       GILES              VA   TRAINED SPOTTER

0600 PM     FLASH FLOOD      1 WNW MAX MEADOWS       36.97N 80.94W
04/20/2015                   WYTHE              VA   911 CALL CENTER

            MILLER CREEK OF ITS BANKS FLOODING A PORTION OF RAMSEY
            MOUNTAIN ROAD.

0605 PM     HAIL             1 NNE PEMBROKE          37.34N 80.63W
04/20/2015  E0.50 INCH       GILES              VA   TRAINED SPOTTER

0605 PM     HAIL             4 W MOUNTAIN LAKE       37.34N 80.63W
04/20/2015  E0.50 INCH       GILES              VA   COCORAHS

0612 PM     FLASH FLOOD      1 WSW MAX MEADOWS       36.96N 80.95W
04/20/2015                   WYTHE              VA   911 CALL CENTER

            1-2 FEET OF WATER FLOWING OVER HAGERS SPRING ROAD.

0615 PM     HAIL             WEST JEFFERSON          36.40N 81.50W
04/20/2015  E0.50 INCH       ASHE               NC   PUBLIC

0625 PM     HAIL             3 S EGGLESTON           37.24N 80.63W
04/20/2015  E0.25 INCH       GILES              VA   TRAINED SPOTTER

0630 PM     HAIL             GAP MILLS               37.57N 80.42W
04/20/2015  E0.25 INCH       MONROE             WV   TRAINED SPOTTER

0730 PM     HAIL             3 ENE IVANHOE           36.85N 80.91W
04/20/2015  E0.25 INCH       WYTHE              VA   TRAINED SPOTTER

0753 PM     HAIL             1 NNE PEMBROKE          37.34N 80.63W
04/20/2015  M0.50 INCH       GILES              VA   TRAINED SPOTTER

&&

The office that day

Everything else NWS Blacksburg, VA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 20, 8:34 PM EDTAreal Flood WarningRNKPulaski, Wythe6 hr
Apr 20, 9:21 PM EDTRiver Flood WarningRNKCharlotte, Halifax54 hr
Apr 20, 9:21 PM EDTRiver Flood WarningRNKHalifax64 hr
Apr 20, 9:29 PM EDTSpecial Weather StatementRNKGiles31 min

Nearby

River Flood Warnings in Virginia, 2015River Flood Warnings in North Carolina, 2015Every river flood warning in 2015

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.