Alert archive / Virginia / Flash Flood Warnings in 2002

Flash Flood Warning 27, NWS Blacksburg, VA

July 3, 2002Giles County, Virginia

NWS Blacksburg, VA issued this flash flood warning at Jul 3, 2002, 6:28 PM EDT for Giles County, Virginia. It was in force for 2 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: Jul 3, 2002, 6:28 PM EDT (22:28 UTC)
Expired: Jul 3, 2002, 8:30 PM EDT
In force: 2 hr
Issued by: NWS Blacksburg, VA
Area: Whole counties

County Giles County, VA

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 10.5 hours before the alert went out and 107 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: 1126 J/kg
Mixed-layer CIN: -89 J/kg
Mixed-layer LCL: 894 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 31 m²/s²
0-3 km storm-relative helicity: 53 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WGUS51 KRNK 032228
FFWRNK
VAC071-040030-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
627 PM EDT WED JUL 3 2002

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  GILES COUNTY IN SOUTHWEST VIRGINIA

* UNTIL 830 PM EDT

* AT 627 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A CLUSTER 
  OF STRONG THUNDERSTORMS OVER CENTRAL GILES COUNTY...MOVING WEST    
  AROUND 10 MPH. RADAR INDICATED THAT OVER 2 INCHES OF RAIN HAD      
  FALLEN OVER PARTS OF THE COUNTY SINCE 5:00 PM. ADDITIONAL HEAVY    
  DOWNPOURS WILL LIKELY CAUSE FLASH FLOODING OF SMALL                
  STREAMS...MAINLY WEST OF PEARISBURG EARLY THIS EVENING.

* OTHER LOCATIONS THREATENED BY HEAVY RAIN INCLUDE...PEMBROKE...
  BANE...CHAPEL...EGGLESTON...KIMBALLTON AND THESSALIA...

<<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 IN
BLACKSBURG BY CALLING TOLL FREE...1...8 6 6...2 1 5...4 3 2 4.

$$

10

LAT...LON 3726 8061 3738 8069 3729 8097 3720 8087

1 follow-up statement

000 
WGUS71 KRNK 032352
FFSRNK
VAC071-040000-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
751 PM EDT WED JUL 3 2002

...FLASH FLOOD WARNING CANCELLED FOR GILES COUNTY...

AT 750 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED THE 
RAINFALL HAS ENDED ACROSS THE WARNED AREA...AND THE FLOOD THREAT 
WAS DIMINISHING. SOME MINOR FLOODING MAY CONTINUE...BUT THE THREAT 
OF SERIOUS FLOODING IS ENDING. THUS...THE FLASH FLOOD WARNING IS 
BEING CANCELED.

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.

SK

$$

LAT...LON 3733 8051 3744 8056 3730 8092 3719 8086

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 2, 8:04 PM EDT	Severe Thunderstorm Warning	RNK	Pittsylvania	26 min
Jul 3, 1:48 PM EDT	Severe Thunderstorm Warning	RNK	Carroll	27 min
Jul 3, 2:17 PM EDT	Severe Thunderstorm Warning	RNK	Carroll	28 min
Jul 3, 2:38 PM EDT	Severe Thunderstorm Warning	RNK	Appomattox, Campbell	37 min
Jul 3, 2:47 PM EDT	Severe Thunderstorm Warning	RNK	Amherst	28 min
Jul 3, 2:55 PM EDT	Severe Thunderstorm Warning	RNK	Carroll, City of Galax	50 min
Jul 3, 2:59 PM EDT	Severe Thunderstorm Warning	RNK	Bedford	31 min
Jul 3, 3:11 PM EDT	Severe Thunderstorm Warning	RNK	Pittsylvania	34 min
Jul 3, 3:15 PM EDT	Severe Thunderstorm Warning	RNK	Appomattox	30 min
Jul 3, 3:17 PM EDT	Severe Thunderstorm Warning	RNK	Franklin	43 min
Jul 3, 3:18 PM EDT	Severe Thunderstorm Warning	RNK	Franklin	42 min
Jul 3, 3:34 PM EDT	Severe Thunderstorm Warning	RNK	Alleghany, City of Covington	26 min
Jul 3, 3:38 PM EDT	Severe Thunderstorm Warning	RNK	Henry, Pittsylvania, City of Danville, City of Martinsville	52 min
Jul 3, 3:44 PM EDT	Severe Thunderstorm Warning	RNK	Carroll	31 min
Jul 3, 3:45 PM EDT	Severe Thunderstorm Warning	RNK	Henry, Pittsylvania, City of Danville, City of Martinsville	45 min
Jul 3, 3:53 PM EDT	Severe Thunderstorm Warning	RNK	Botetourt	52 min
Jul 3, 4:01 PM EDT	Severe Thunderstorm Warning	RNK	Wythe	29 min
Jul 3, 4:41 PM EDT	Severe Thunderstorm Warning	RNK	Floyd	34 min
Jul 3, 4:45 PM EDT	Severe Thunderstorm Warning	RNK	Craig	30 min
Jul 3, 4:57 PM EDT	Severe Thunderstorm Warning	RNK	Roanoke, Wythe, City of Roanoke, City of Salem	33 min
Jul 3, 5:04 PM EDT	Severe Thunderstorm Warning	RNK	Patrick	26 min
Jul 3, 5:07 PM EDT	Severe Thunderstorm Warning	RNK	Montgomery	38 min
Jul 3, 5:16 PM EDT	Severe Thunderstorm Warning	RNK	Craig	29 min
Jul 3, 5:22 PM EDT	Severe Thunderstorm Warning	RNK	Pulaski, City of Radford	23 min
Jul 3, 5:26 PM EDT	Severe Thunderstorm Warning	RNK	Roanoke, City of Roanoke, City of Salem	34 min
Jul 3, 5:35 PM EDT	Severe Thunderstorm Warning	RNK	Tazewell	25 min
Jul 3, 5:38 PM EDT	Severe Thunderstorm Warning	RNK	Giles, Pulaski	22 min
Jul 3, 5:41 PM EDT	Flash Flood Warning	RNK	Montgomery	2 hr
Jul 3, 5:42 PM EDT	Severe Thunderstorm Warning	RNK	Montgomery	48 min
Jul 3, 5:50 PM EDT	Flash Flood Warning	RNK	Tazewell	115 min
Jul 3, 6:01 PM EDT	Severe Thunderstorm Warning	RNK	Pulaski, Tazewell	29 min

Nearby

Flash Flood Warnings in Virginia, 2002 Every 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.