Alert archive / Virginia / Flash Flood Warnings in 2002

Flash Flood Warning 35, NWS Blacksburg, VA

September 18, 2002Pulaski County, Virginia

NWS Blacksburg, VA issued this flash flood warning at Sep 18, 2002, 7:01 PM EDT for Pulaski 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 counties it named.

The facts

Issued
Sep 18, 2002, 7:01 PM EDT (23:01 UTC)
Expired
Sep 18, 2002, 10:00 PM EDT
In force
3 hr
Issued by
NWS Blacksburg, VA
Area
Whole counties

County Pulaski County, VA

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 11.0 hours before the alert went out and 109 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 12:00Z on 2002-09-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 707 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 12:00Z on 2002-09-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 square meters per square second.19395878Sfc1 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
707 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
541 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
69 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
WGUS51 KRNK 182301 RRA
FFWRNK
VAC155-190200-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
657 PM EDT WED SEP 18 2002

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN PULASKI COUNTY IN SOUTHWEST VIRGINIA

* UNTIL 1000 PM EDT

* AT 657 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A NEARLY 
STATIONARY THUNDERSTORM NORTH OF DUBLIN.  THIS STORM HAS A HISTORY 
OF PRODUCING RAINFALL AMOUNTS OF TWO INCHES IN AN HOUR.

* OTHER LOCATIONS THREATENED BY HEAVY RAIN INCLUDE...FAIRLAWN AND
  PARROTT...

<<CALL TO ACTION>>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. VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY. MOVE TO HIGHER GROUND.

RELAY REPORTS OF FLOODING TO THE NATIONAL WEATHER SERVICE IN
BLACKSBURG BY CALLING TOLL FREE...1...8 6 6...2 1 5...4 3 2 4.

$$

LAT...LON 3723 8063 3715 8057 3709 8077 3716 8081

12
2 follow-up statements
000 
WGUS71 KRNK 190003
FFSRNK

190200-
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
800 PM EDT WED SEP 18 2002


A FLASH FLOOD WARNING REMAINS IN EFFECT FOR PULASKI COUNTY VIRGINIA 
UNTIL 10:00 PM EDT.

A FLASH FLOOD WARNING REMAINS IN EFFECT FOR MONROE COUNTY WEST 
VIRGINIA UNTIL 9:00 PM EDT.


AT 8:00 PM...THUNDERSTORMS WITH HEAVY RAIN CONTINUED ACROSS NORTHERN 
PULASKI COUNTY VIRGINIA.   RADAR ESTIMATES THAT BETWEEN 3.5 AND 4.0 
INCHES OF RAIN HAS FALLEN JUST NORTH OF DUBLIN VIRGINIA...ALONG BACK 
AND NECK CREEKS.  FLASH FLOODING IS LIKELY ALONG THESE STREAMS AND 
THEIR TRIBUTARIES...WHICH MAY EFFECT PARTS OF NECK CREEK 
ROAD...HIGHLAND ROAD...KENT FARM ROAD...AND STATE ROUTE 100.

IN WEST VIRGINIA...THE HEAVY RAIN HAS ENDED IN NORTHERN MONROE 
COUNTY.  HOWEVER...RUNOFF WILL CONTINUE.  RADAR ESTIMATES THAT 
NEARLY 4.0 INCHES OF RAIN FELL BETWEEN WOLFCREEK AND JOHNSON 
CROSSROADS.  FLASH FLOODING MAY BE ONGOING...ALONG 
WOLFCREEK...EFFECTING PARTS OF COUNTY ROAD 10 AND STATE ROUTE 3.  

FOR YOUR SAFETY...BE VERY CAUTIOUS OF WATER THAT COVERS THE ROAD AT 
NIGHT...THE WATER DEPTH COULD BE GREATER THAN YOU THINK...AND 
BRIDGES WASHED OUT.

PLEASE RELAY ANY REPORTS OF FLOODING TO THE NATIONAL WEATHER SERVICE 
IN BLACKSBURG BY CALLING TOLL FREE...1...8 6 6...2 1 5...4 3 2 4.
$$
000 
WGUS71 KRNK 190209
FFSRNK
VAC155-190300-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
957 PM EDT WED SEP 18 2002

THE FLASH FLOOD WARNING FOR PULASKI COUNTY HAS EXPIRED.

NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE HEAVY RAIN HAS 
ENDED ACROSS PULASKI COUNTY...AND THE FLOOD THREAT WAS DIMINISHING. 
RADAR ESTIMATED THAT BETWEEN 4.0 AND 5.0 INCHES OF RAIN HAS FALLEN 
BETWEEN 6:30 AND 9:00 PM JUST NORTH OF DUBLIN VIRGINIA.  SOME MINOR 
FLOODING MAY CONTINUE...BUT THE THREAT OF SERIOUS FLOODING IS 
ENDING. THUS...THE FLASH FLOOD WARNING IS BEING ALLOWED TO EXPIRE.

RELAY YOUR REPORTS OF FLOODING TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1...8 6 6...2 1 5...4 3 2 4.



$$

07

Nearby

Flash Flood Warnings in Virginia, 2002Every flash flood warning in 2002

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.