Alert archive / Virginia / Flash Flood Warnings in 2002

Flash Flood Warning 28, NWS Blacksburg, VA

July 4, 2002Rockbridge County, City of Lexington, Virginia

NWS Blacksburg, VA issued this flash flood warning at Jul 4, 2002, 11:28 PM EDT for Rockbridge County, City of Lexington, 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: Jul 4, 2002, 11:28 PM EDT (03:28 UTC)
Expired: Jul 5, 2002, 2:30 AM EDT
In force: 3 hr
Issued by: NWS Blacksburg, VA
Area: Whole counties

Counties City of Lexington, VA, Rockbridge County, VA

The nearest sounding before it

Roanoke, VA (KRNK), launched 00:00Z, 3.5 hours before the alert went out and 66 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: 670 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 1822 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 4 m²/s²
0-3 km storm-relative helicity: 18 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 050328
FFWRNK
VAC163-678-050630-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
1123 PM EDT THU JUL 4 2002

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  LEXINGTON IN WEST CENTRAL VIRGINIA
  ROCKBRIDGE COUNTY IN WEST CENTRAL VIRGINIA

* UNTIL 230 AM EDT

* AT 1123 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED
  THUNDERSTORMS WITH HEAVY RAINS IN NORTH CENTRAL ROCKBRIDGE COUNTY
  DRIFTING SOUTHWEST AT 5 MPH.  RAINFALL UP TO 3 INCHES PER HOUR IS 
  POSSIBLE WITH THESE STORMS.

* OTHER LOCATIONS THREATENED BY HEAVY RAIN INCLUDE...BROWNSBURG...  
FAIRFIELD AND LEXINGTON...

<<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 3801 7921 3754 7952 3774 7967 3792 7961

07

1 follow-up statement

000 
WGUS71 KRNK 050511
FFSRNK
VAC163-678-050615-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
109 AM EDT FRI JUL 5 2002

...FLASH FLOOD WARNING CANCELLED FOR ROCKBRIDGE COUNTY...

AT 109 AM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED THE 
RAINFALL HAS ENDED ACROSS THE WARNED AREA...AND THE FLOOD THREAT WAS 
HAS ENDED. 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.

$$

LAT...LON 3781 7935 3790 7954 3767 7970 3756 7950

07

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 5, 3:12 PM EDT	Severe Thunderstorm Warning	RNK	Franklin	48 min
Jul 5, 3:31 PM EDT	Severe Thunderstorm Warning	RNK	Roanoke, City of Roanoke	29 min
Jul 5, 3:57 PM EDT	Severe Thunderstorm Warning	RNK	Bedford, Franklin	48 min
Jul 5, 4:41 PM EDT	Severe Thunderstorm Warning	RNK	Campbell, City of Lynchburg	34 min
Jul 5, 5:10 PM EDT	Severe Thunderstorm Warning	RNK	Halifax	50 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.