Alert archive / Virginia / River Flood Warnings in 2012

River Flood Warning 21, NWS Baltimore/Washington

October 30, 2012Shenandoah County, Warren County, Virginia

NWS Baltimore/Washington issued this river flood warning at Oct 30, 2012, 9:40 AM EDT for Shenandoah County, Warren County, Virginia. It took effect at Oct 30, 2012, 1:00 PM EDT. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Oct 30, 2012, 9:40 AM EDT (13:40 UTC)
In effect from
Oct 30, 2012, 1:00 PM EDT
Expired
Oct 30, 2012, 3:05 PM EDT
In force
2 hr
Issued by
NWS Baltimore/Washington
Flood severity
Minor

Counties Shenandoah County, VA, Warren County, VA

The radar

The Sterling radar (KLWX), 79 km from the middle of the area, began a volume at 13:39 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 river

Written for the forecast point North Fork Shenandoah River near Strasburg (STGV2). The gauge peaked at 15.62 ft at Oct 30, 2012, 10:00 AM EDT.

actionminormoderate510152010/3010/31
Action stage
10 ft
Minor stage
17 ft
Moderate stage
20 ft
Major stage
25 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01634000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The text

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

101 
WGUS41 KLWX 301340
FLWLWX
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
940 AM EDT TUE OCT 30 2012

...THE NATIONAL WEATHER SERVICE IN STERLING VA HAS ISSUED A FLOOD 
WARNING FOR THE FOLLOWING RIVERS IN VIRGINIA... 

  NORTH FORK SHENANDOAH NEAR STRASBURG AFFECTING SHENANDOAH AND 
  WARREN COUNTIES

PRECAUTIONARY/PREPAREDNESS ACTIONS...

NEVER ATTEMPT TO DRIVE THROUGH A FLOODED ROADWAY...THIS IS HOW MOST 
FLOOD DEATHS RESULT.  

STAY TUNED TO DEVELOPMENTS BY LISTENING TO NOAA WEATHER RADIO...YOUR 
LOCAL RADIO OR TELEVISION STATIONS...OR YOUR CABLE TELEVISION OUTLET.

&&

VAC171-187-302140-
/O.NEW.KLWX.FL.W.0021.121030T1700Z-121031T0830Z/
/STGV2.1.ER.121030T1700Z.121031T0000Z.121031T0230Z.NO/
940 AM EDT TUE OCT 30 2012

THE NATIONAL WEATHER SERVICE IN STERLING VA HAS ISSUED A
* FLOOD WARNING FOR 
  THE NORTH FORK SHENANDOAH NEAR STRASBURG.
* FROM THIS AFTERNOON UNTIL LATE TONIGHT.
* AT 9 AM TUESDAY THE STAGE WAS 15.5 FEET AND RISING.
* FLOOD STAGE IS 17.0 FEET.  
* MINOR FLOODING IS FORECAST. 
* FORECAST...RISE ABOVE FLOOD STAGE BY EARLY THIS AFTERNOON AND CREST
  NEAR 17.5 FEET BY EARLY THIS EVENING. THE RIVER WILL FALL BELOW 
  FLOOD STAGE BY LATE THIS EVENING.
* IMPACT...AT 17.0 FEET...SIGNIFICANT FLOODING OF FIELDS IS 
  OCCURRING. THE STRASBURG RIVER WALK IS FLOODED.
* FLOOD HISTORY...THIS CREST COMPARES TO A PREVIOUS CREST OF 18.3 FEET
  ON APR 17 2011.  

&& 

RIVER        FLOOD    OBSERVED     2PM  8PM  2AM  8AM        CREST
LOCATION     STAGE  STG DAY TIME   TUE  TUE  WED  WED   STG DAY TIME

NORTH FORK SHENANDOAH RIVER
STRASBURG     17.0 15.5 TUE 9 AM  17.0 17.5 16.3 14.5  17.5 TUE 8 PM 

$$

JE
1 follow-up statement
653 
WGUS81 KLWX 301905
FLSLWX
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
305 PM EDT TUE OCT 30 2012

...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVERS IN 
VIRGINIA...
 
  NORTH FORK SHENANDOAH NEAR STRASBURG AFFECTING SHENANDOAH AND 
  WARREN COUNTIES
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

NEVER ATTEMPT TO DRIVE THROUGH A FLOODED ROADWAY...THIS IS HOW MOST 
FLOOD DEATHS RESULT.  

STAY TUNED TO DEVELOPMENTS BY LISTENING TO NOAA WEATHER RADIO...YOUR 
LOCAL RADIO OR TELEVISION STATIONS...OR YOUR CABLE TELEVISION OUTLET.

&&

VAC171-187-301935-
/O.CAN.KLWX.FL.W.0021.000000T0000Z-121031T0830Z/
/STGV2.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
305 PM EDT TUE OCT 30 2012

THE FLOOD WARNING IS CANCELLED FOR
  THE NORTH FORK SHENANDOAH NEAR STRASBURG.
* AT 3 PM TUESDAY THE STAGE WAS 12.5 FEET AND FALLING.
* FLOOD STAGE IS 17.0 FEET.
* NO FLOODING IS CURRENTLY FORECAST.

&& 

RIVER        FLOOD    OBSERVED          8PM  2AM  8AM        CREST
LOCATION     STAGE  STG DAY TIME        TUE  WED  WED   STG DAY TIME

NORTH FORK SHENANDOAH RIVER
STRASBURG     17.0 12.5 TUE 3 PM       12.7 13.2 11.9     CRESTED

$$

JE

The office that day

Everything else NWS Baltimore/Washington issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 30, 2:36 AM EDTGale WarningLWX11 hr
Oct 30, 2:36 AM EDTStorm WarningLWX8 hr
Oct 30, 4:13 AM EDTWind AdvisoryLWXArlington, Clarke, Fairfax, Fauquier, Frederick, Greene and 16 more6 hr
Oct 30, 6:23 AM EDTAreal Flood WarningLWXFauquier, King George, Prince William, Stafford, City of Fredericksburg, City of Manassas and 1 more12 hr
Oct 30, 1:29 PM EDTSmall Craft AdvisoryLWX24 hr

Nearby

River Flood Warnings in Virginia, 2012Every river flood warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.