Alert archive / Virginia / Areal Flood Warnings in 2017

Areal Flood Warning 13, NWS Blacksburg, VA

May 25, 20177 counties in Virginia

NWS Blacksburg, VA issued this areal flood warning at May 25, 2017, 2:56 AM EDT for 7 counties in Virginia. It was in force for 9 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 25, 2017, 2:56 AM EDT (06:56 UTC)
Expired: May 25, 2017, 11:45 AM EDT
In force: 9 hr
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Flood severity: None

Counties Alleghany County, VA, Bath County, VA, Botetourt County, VA, City of Buena Vista, VA, City of Covington, VA, Craig County, VA, Rockbridge County, VA

The radar

The Roanoke radar (KFCX), 91 km from the middle of the area, began a volume at 06:59 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

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 6.9 hours before the alert went out and 186 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 24 J/kg
Mixed-layer CIN: -98 J/kg
Mixed-layer LCL: 880 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 190 m²/s²
0-3 km storm-relative helicity: 278 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal 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 areal flood warning went out at May 25, 1:03 AM EDT, 1 hour 53 minutes earlier.

Area forecast discussion, May 25, 1:03 AM EDT, 1 hour 53 minutes before

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Hazardous weather outlook, May 24, 10:29 PM EDT, 4 hours 27 minutes before

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In the hours before

Local storm report, May 24, 10:39 PM EDT, 4 hours 17 minutes before

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Local storm report, May 24, 10:42 PM EDT, 4 hours 14 minutes before

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Local storm report, May 24, 10:45 PM EDT, 4 hours 11 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE BLACKSBURG VA
1045 PM EDT WED MAY 24 2017

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

0244 PM     TSTM WND DMG     2 ENE BROADFORD         36.92N 81.63W
05/24/2017                   SMYTH              VA   TRAINED SPOTTER

            NUMEROUS LARGE LIMBS DOWN AND POWER OUT. TIME FROM RADAR.

0255 PM     TSTM WND DMG     4 N HUNGRY MOTHER STATE 36.94N 81.53W
05/24/2017                   SMYTH              VA   LAW ENFORCEMENT

            ONE TREE DOWN NEAR THE INTERSECTION OF ROUTE 16 AND ROUTE
            610

0300 PM     TSTM WND DMG     2 NNW TAZEWELL          37.14N 81.53W
05/24/2017                   TAZEWELL           VA   911 CALL CENTER

            ONE TREE DOWN THAT TOOK DOWN POWER LINES ON BLACKHORSE
            ROAD

0421 PM     TORNADO          5 SE YADKINVILLE        36.07N 80.60W
05/24/2017                   YADKIN             NC   EMERGENCY MNGR

            SEVERAL OBSERVED SIGHTINGS OF A TORNADO...COURTNEY
            ELEMENTARY SCHOOL GYMNASIUM DESTROYED...SEVERAL VEHICLES
            FLIPPED...AND PEOPLE TRAPPED INSIDE HOMES

0433 PM     TSTM WND DMG     2 SE BROOKS CROSSROADS  36.10N 80.77W
05/24/2017                   YADKIN             NC   TRAINED SPOTTER

            1800 BLOCK OF HAMPTONVILLE ROAD FOUR TREES WERE BLOWN
            DOWN...TREES WERE BLOCKING THE ROAD.

0454 PM     TSTM WND DMG     4 W KING                36.29N 80.42W
05/24/2017                   STOKES             NC   TRAINED SPOTTER

            SEVERAL TREES DOWN NEAR THE INTERSECTION OF TRINITY
            CHURCH ROAD AND NAUVOO RIDGE DRIVE

0500 PM     TSTM WND DMG     4 WNW KING              36.30N 80.42W
05/24/2017                   STOKES             NC   AMATEUR RADIO

            TREES SNAPPED OFF AND DEBRIS ON BOTH SIDES OF HIGHWAY 52
            JUST SOUTH OF PILOT MOUNTAIN STATE PARK. POSSIBLE TORNADO
            BASED ON RADAR SIGNATURES.

0510 PM     TSTM WND DMG     3 W CAPELLA             36.36N 80.36W
05/24/2017                   STOKES             NC   COUNTY OFFICIAL

            SOME DAMAGE TO MOBILE HOMES IN TRAILER PARK ALONG YMCA
            CAMP RD. POSSIBLE TORNADO ACCORDING TO RADAR SIGNATURES.

0511 PM     TSTM WND DMG     1 NNW CAPELLA           36.39N 80.33W
05/24/2017                   STOKES             NC   PUBLIC

            NUMEROUS TREES WERE BLOWN DOWN WITHIN A 300 YARD WIDE
            AREA NEAR INTERSECTION OF TAYLER ROAD AND ROUTE 66. IN
            THE SAME AREA...A ROOF WAS DAMAGED AND A BARN WAS BLOWN
            DOWN.

0515 PM     FLOOD            1 SE PRINCETON          37.36N 81.09W
05/24/2017                   MERCER             WV   BROADCAST MEDIA

            STANDING WATER IN AND NEAR BEE STREET.

0551 PM     TSTM WND DMG     4 WNW FAIRY STONE STATE 36.81N 80.14W
05/24/2017                   PATRICK            VA   911 CALL CENTER

            ONE TREE DOWN ON HEIDELBACH SCHOOL ROAD

0604 PM     TSTM WND DMG     3 NNW SANVILLE          36.75N 80.09W
05/24/2017                   PATRICK            VA   911 CALL CENTER

            ONE TREE DOWN NEAR THE INTERSECTION OF SADDLERIDGE ROAD
            AND MICROFILM ROAD

0622 PM     TSTM WND DMG     5 ENE BASSETT           36.80N 79.90W
05/24/2017                   HENRY              VA   911 CALL CENTER

            ONE TREE DOWN NEAR THE INTERSECTION OF OLD QUARRY ROAD
            AND DANIELS CREEK ROAD

0625 PM     TSTM WND DMG     2 NNW OAK LEVEL         36.84N 79.94W
05/24/2017                   FRANKLIN           VA   911 CALL CENTER

            ONE TREE DOWN NEAR THE INTERSECTION OF HENRY ROAD AND
            PROVIDENCE CHURCH ROAD

0633 PM     TSTM WND DMG     1 ENE ROCKY MOUNT       37.01N 79.87W
05/24/2017                   FRANKLIN           VA   911 CALL CENTER

            ONE TREE DOWN ON MUSE FIELD ROAD CLOSE TO ROUTE 220

0649 PM     TSTM WND DMG     4 NE WESTERN SMITH MOUN 37.09N 79.69W
05/24/2017                   FRANKLIN           VA   911 CALL CENTER

            ONE TREE DOWN ON LOVELY VALLEY ROAD CLOSE TO THE
            INTERSECTION WITH SCRUGGS ROAD

0703 PM     TSTM WND DMG     3 WNW NORTHWEST SMITH M 37.18N 79.78W
05/24/2017                   FRANKLIN           VA   911 CALL CENTER

            ONE TREE DOWN NEAR THE INTERSECTION OF ETON ROAD AND DEEP
            WOODS ROAD

0800 PM     FLOOD            4 ESE ROCKY MOUNT       36.97N 79.82W
05/24/2017                   FRANKLIN           VA   911 CALL CENTER

            DOE RUN FLOODED OVER A LOW WATER CROSSING ON ASHPONE ROAD
            CAUSING THE ROAD TO BE CLOSED

0850 PM     FLOOD            5 E MAX MEADOWS         36.98N 80.84W
05/24/2017                   WYTHE              VA   FIRE DEPT/RESCUE

            SOUTH-BOUND I-81 CLOSED DUE TO FLOODING OF LITTLE PINE
            RUN

0953 PM     HEAVY RAIN       PULASKI                 37.05N 80.80W
05/24/2017  E0.00 INCH       PULASKI            VA   TRAINED SPOTTER

            PERSISTENT HEAVY RAINFALL HAS CAUSED NUMEROUS ROADS TO BE
            INUNDATED BY STANDING WATER WITHIN THE COUNTY OF PULASKI.
            OUTDOOR HIGHWAY, ROUTE 999, AND COMMERCE STREET ALL HAVE
            SIGNIFICANT STANDING WATER. RUNNING CREEK WATER WAS ALSO
            REPORTED TO BE APPROACHING THE BASE BRIDGE ON BROOKMONT
            ROAD.

1013 PM     HEAVY RAIN       FRIES                   36.72N 80.97W
05/24/2017  E0.00 INCH       CARROLL            VA   TRAINED SPOTTER

            PERSISTENT HEAVY RAINFALL IN FRIES AREA IS CAUSING LOCAL
            CREEKS AND CULVERTS TO SWELL. PORTIONS OF STEPHENS CREEK
            HAS ESCAPED ITS BANKS FLOODING LOCAL FARMLAND.

1035 PM     HEAVY RAIN       PULASKI                 37.05N 80.80W
05/24/2017  U0.00 INCH       PULASKI            VA   EMERGENCY MNGR

            PERSISTENT HEAVY RAINFALL HAS RESULTED IN SIGNIFICANT
            STANDING WATER IN THE TOWN OF PULASKI. PEAK CREEK HAS
            ALSO BEEN REPORTED OUT OF ITS BANKS, BEGINNING TO FLOOD
            PARKING LOTS WITHIN THE CITY LIMITS.

&&
A NWS STORM SURVEY WILL BE CONDUCTED TOMORROW ON MAY 25 TO ASSESS THE
DAMAGE IN YADKIN AND STOKES COUNTIES OF NORTH CAROLINA.

PW

Local storm report, May 24, 11:31 PM EDT, 3 hours 25 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1131 PM EDT WED MAY 24 2017

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

1129 PM     HEAVY RAIN       6 NNW RADFORD           37.21N 80.62W
05/24/2017  M2.93 INCH       PULASKI            VA   TRAINED SPOTTER

            RAINFALL MEASURED SINCE MIDNIGHT WEDNESDAY MORNING.

&&

JMORROW

Local storm report, May 25, 12:57 AM EDT, 1 hour 59 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1257 AM EDT THU MAY 25 2017

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

1256 AM     HEAVY RAIN       GLASGOW                 37.63N 79.45W
05/25/2017  M2.18 INCH       ROCKBRIDGE         VA   CO-OP OBSERVER

            MEASURED RAINFALL SINCE 7AM THIS MORNING. RAIN STILL
            COMING DOWN STEADILY.

&&

JMORROW

Special weather statement, May 25, 1:59 AM EDT, 57 minutes before

Special Weather Statement
National Weather Service BLACKSBURG VA
159 AM EDT THU MAY 25 2017

NCZ006-VAZ044-250630-
Caswell-Pittsylvania-
159 AM EDT THU MAY 25 2017

...AN AREA OF HEAVY SHOWERS WITH EMBEDED THUNDER WILL AFFECT CENTRAL
CASWELL AND SOUTH CENTRAL PITTSYLVANIA COUNTIES INCLUDING THE CITY
OF DANVILLE...

At 157 AM EDT, heavy showers with embeded thunder were clustered
near Yanceyville, moving north at 40 mph.

Winds in excess of 30 mph are possible with this storm.

Locations impacted include...
Danville...
Yanceyville...
Bethel...
Providence...
and Milton.

Torrential rainfall is occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

LAT...LON 3633 7950 3667 7942 3663 7920 3654 7922
      3654 7917 3630 7933
TIME...MOT...LOC 0557Z 201DEG 35KT 3637 7940

JJM

The office that day

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

Issued	Product	Office	Counties	Lasted
May 24, 8:57 PM EDT	River Flood Warning	RNK	Pittsylvania, City of Danville	44 hr
May 24, 9:34 PM EDT	Areal Flood Advisory	RNK	Carroll, Giles, Grayson, Pulaski, Wythe, City of Galax	6 hr
May 24, 11:03 PM EDT	Areal Flood Warning	RNK	Carroll, Giles, Grayson, Pulaski, Wythe, City of Galax	12 hr
May 25, 12:20 AM EDT	Areal Flood Warning	RNK	Henry, City of Martinsville	6 hr
May 25, 1:59 AM EDT	Special Weather Statement	RNK	City of Danville	31 min
May 25, 3:30 AM EDT	Special Weather Statement	RNK	Charlotte	30 min
May 25, 4:44 AM EDT	River Flood Warning	RNK	Montgomery, Pulaski, City of Radford	17 hr
May 25, 8:59 AM EDT	Special Weather Statement	RNK	City of Martinsville	46 min
May 25, 9:52 AM EDT	Special Weather Statement	RNK	Pittsylvania, City of Martinsville	38 min
May 25, 10:13 AM EDT	River Flood Warning	RNK	Campbell, Pittsylvania	17 hr
May 25, 10:13 AM EDT	River Flood Warning	RNK	Campbell, Charlotte, Halifax	39 hr
May 25, 11:04 AM EDT	Areal Flood Advisory	RNK	Giles	4 hr
May 25, 11:50 AM EDT	Areal Flood Advisory	RNK	Alleghany, Bath, Botetourt, Craig, Rockbridge, City of Buena Vista and 2 more	8 hr
May 25, 12:01 PM EDT	Special Weather Statement	RNK	Charlotte, Halifax	44 min
May 25, 12:56 PM EDT	Special Weather Statement	RNK	Buckingham	34 min
May 25, 1:08 PM EDT	Wind Advisory	RNK	Alleghany, Amherst, Bath, Bedford, Bland, Botetourt and 21 more	23 hr
May 25, 2:55 PM EDT	Special Weather Statement	RNK	City of Danville	35 min
May 25, 2:57 PM EDT	Special Weather Statement	RNK	City of Martinsville	33 min
May 25, 3:11 PM EDT	River Flood Warning	RNK	Botetourt	16 hr
May 25, 3:18 PM EDT	Special Weather Statement	RNK	City of Danville	27 min
May 25, 3:47 PM EDT	Special Weather Statement	RNK	City of Danville	43 min
May 25, 3:57 PM EDT	Special Weather Statement	RNK	Halifax	18 min
May 25, 4:23 PM EDT	Special Weather Statement	RNK	Halifax	37 min
May 25, 4:25 PM EDT	Special Weather Statement	RNK	Halifax	35 min
May 24, 10:47 PM EDT	Areal Flood Advisory	RNK	Ashe, Watauga	6 hr
May 25, 7:19 AM EDT	Special Weather Statement	RNK	Stokes	56 min
May 25, 3:19 AM EDT	Areal Flood Warning	RNK	Greenbrier, Monroe	6 hr
May 25, 9:13 AM EDT	Areal Flood Warning	RNK	Greenbrier	3 hr
May 25, 12:08 PM EDT	Areal Flood Advisory	RNK	Greenbrier	3 hr
May 25, 7:13 PM EDT	Areal Flood Advisory	RNK	Summers	6 hr

Nearby

Areal Flood Warnings in Virginia, 2017 Every areal flood warning in 2017

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.