Alert archive / West Virginia / Flash Flood Warnings in 2016

Flash Flood Warning 5, NWS Blacksburg, VA

May 31, 2016Mercer County, Monroe County, Summers County, West Virginia

NWS Blacksburg, VA issued this flash flood warning at May 31, 2016, 9:07 PM EDT for Mercer County, Monroe County, Summers County, West Virginia. It was in force for 113 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 31, 2016, 9:07 PM EDT (01:07 UTC)
Expired
May 31, 2016, 11:00 PM EDT
In force
113 min
Issued by
NWS Blacksburg, VA
Area
Storm-based polygon
Flood severity
None

Counties Mercer County, WV, Monroe County, WV, Summers County, WV

The radar

The Roanoke radar (KFCX), 68 km from the middle of the area, began a volume at 01:10 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, 1.1 hours before the alert went out and 122 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-pSkew-T log-p diagram, Roanoke, VA at 00:00Z on 2016-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 341 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Roanoke, VA at 00:00Z on 2016-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
341 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
1330 m above ground
0-6 km bulk shear
3 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
-17 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

642 
WGUS51 KRNK 010107
FFWRNK
WVC055-063-089-010300-
/O.NEW.KRNK.FF.W.0005.160601T0107Z-160601T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
907 PM EDT TUE MAY 31 2016

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTH CENTRAL SUMMERS COUNTY IN WEST VIRGINIA...
  EXTREME EAST CENTRAL MERCER COUNTY IN WEST VIRGINIA...
  SOUTHWESTERN MONROE COUNTY IN WEST VIRGINIA...

* UNTIL 1100 PM EDT
    
* AT 905 PM EDT...DOPPLER RADAR INDICATED A CLUSTER OF THUNDERSTORMS
  PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN
  HAS ALREADY FALLEN. FLASH FLOODING IS LIKELY IN THE WARNED AREA.

* SOME LOCATIONS THAT MAY EXPERIENCE FLOODING INCLUDE...
  PETERSTOWN...
  LICK CREEK...
  AND BOZOO. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

WHEN IT IS SAFE TO DO SO...PLEASE SEND YOUR REPORTS OF FLOODING...
INCLUDING MUDSLIDES OR ROAD CLOSURES...TO THE NATIONAL WEATHER
SERVICE BY CALLING TOLL FREE AT 1...8 6 6...2 1 5...4 3 2 4. REPORTS
AND PICTURES CAN ALSO BE SHARED ON THE NATIONAL WEATHER SERVICE
BLACKSBURG FACEBOOK PAGE AND ON TWITTER.

&&

LAT...LON 3739 8076 3741 8082 3742 8083 3743 8086
      3741 8086 3738 8088 3744 8097 3752 8094
      3752 8078

$$

RAB
2 follow-up statements
794 
WGUS71 KRNK 010145
FFSRNK

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
945 PM EDT TUE MAY 31 2016

WVC055-063-089-010300-
/O.CON.KRNK.FF.W.0005.000000T0000Z-160601T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SUMMERS WV-MERCER WV-MONROE WV-
945 PM EDT TUE MAY 31 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT FOR 
EXTREME SOUTH CENTRAL SUMMERS...EXTREME EAST CENTRAL MERCER AND 
EXTREME SOUTHWESTERN MONROE COUNTIES...

AT 942 PM EDT...DOPPLER RADAR INDICATED A CLUSTER OF THUNDERSTORMS 
PERSISTED NEAR THE MONROE...SUMMERS...MERCER COUNTY BORDERS BETWEEN
LICK CREEK...BOZOO...AND ALGOOD.  THE HEAVIEST RAIN HAS BEEN IN 
EXTREME SOUTHERN SUMMERS COUNTY...JUST WEST OF BOZOO...WHERE NEARLY
3 INCHES OF RAIN HAS FALLEN DURING THE PAST HOUR. FLASH FLOODING IS
LIKELY IN THIS AREA.

SOME LOCATIONS THAT MAY EXPERIENCE FLOODING INCLUDE...
PETERSTOWN...
LICK CREEK...
AND BOZOO. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

WHEN IT IS SAFE TO DO SO...PLEASE SEND YOUR REPORTS OF FLOODING...
INCLUDING MUDSLIDES OR ROAD CLOSURES...TO THE NATIONAL WEATHER
SERVICE BY CALLING TOLL FREE AT 1...8 6 6...2 1 5...4 3 2 4. REPORTS
AND PICTURES CAN ALSO BE SHARED ON THE NATIONAL WEATHER SERVICE
BLACKSBURG FACEBOOK PAGE AND ON TWITTER.

&&

LAT...LON 3739 8076 3741 8082 3742 8083 3743 8086
      3741 8086 3738 8088 3744 8097 3752 8094
      3752 8078

$$

RAB
233 
WGUS71 KRNK 010301
FFSRNK

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1101 PM EDT TUE MAY 31 2016

WVC055-063-089-010307-
/O.EXP.KRNK.FF.W.0005.000000T0000Z-160601T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SUMMERS WV-MERCER WV-MONROE WV-
1101 PM EDT TUE MAY 31 2016

...THE FLASH FLOOD WARNING FOR EXTREME SOUTH CENTRAL SUMMERS...
EXTREME EAST CENTRAL MERCER...AND EXTREME SOUTHWESTERN MONROE
COUNTIES WILL EXPIRE AT 1100 PM EDT...

RAINFALL HAS DIMINISHED IN THE WARNED AREA. DOPPLER RADAR INDICATES
THAT RAINFALL OF 2.5 TO 3 INCHES WAS COMMON ACROSS MUCH OF THE WARNED
AREA...ESPECIALLY BETWEEN BOZOO...LICK CREEK...AND ELGOOD. HOWEVER...
ADDITIONAL RAINFALL IS EXPECTED TO BE LESS THAN 1/2 INCH OVER THE NEXT
HOUR. SOME CREEKS...STREAMS...AND NORMALLY FLOOD PRONE...POOR DRAINAGE
AREAS WITHIN THE WARNED AREA MAY BE FLOODED FOR A WHILE LONGER...BUT 
FLASH FLOODING IS NO LONGER ANTICIPATED.

WHEN IT IS SAFE TO DO SO...PLEASE SEND YOUR REPORTS OF FLOODING...
INCLUDING MUDSLIDES OR ROAD CLOSURES...TO THE NATIONAL WEATHER
SERVICE BY CALLING TOLL FREE AT 1...8 6 6...2 1 5...4 3 2 4. REPORTS
AND PICTURES CAN ALSO BE SHARED ON THE NATIONAL WEATHER SERVICE
BLACKSBURG FACEBOOK PAGE AND ON TWITTER.

LAT...LON 3739 8076 3741 8082 3742 8083 3743 8086
      3741 8086 3738 8088 3744 8097 3752 8094
      3752 8078

$$

RAB

The office that day

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

IssuedProductOfficeCountiesLasted
May 31, 10:16 PM EDTSpecial Weather StatementRNKMercer59 min

Nearby

Flash Flood Warnings in West Virginia, 2016Every flash flood warning in 2016

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.