Alert archive / Virginia / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 21, NWS Baltimore/Washington

May 14, 2005Fauquier County, Rappahannock County, Virginia

NWS Baltimore/Washington issued this severe thunderstorm warning at May 14, 2005, 4:38 PM EDT for Fauquier County, Rappahannock County, Virginia. It was in force for 40 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 14, 2005, 4:38 PM EDT (20:38 UTC)
Expired
May 14, 2005, 5:18 PM EDT
In force
40 min
Issued by
NWS Baltimore/Washington
Area
Counties, with a storm outline in the text

Counties Fauquier County, VA, Rappahannock County, VA

The radar

The Sterling radar (KLWX), 42 km from the middle of the area, began a volume at 20:28 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

Washington/Dulle, VA (KIAD), launched 12:00Z, 8.6 hours before the alert went out and 48 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, Washington/Dulle, VA at 12:00Z on 2005-05-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 12:00Z on 2005-05-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
969 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
93 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 
WUUS51 KLWX 142038
SVRLWX
VAC061-157-142115-
/O.NEW.KLWX.SV.W.0021.050514T2038Z-050514T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
438 PM EDT SAT MAY 14 2005

THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  FAUQUIER COUNTY IN NORTHERN VIRGINIA
  RAPPAHANNOCK COUNTY IN NORTHWEST VIRGINIA

* UNTIL 515 PM EDT

* AT 436 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 4 MILES SOUTH OF HUME...MOVING EAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  DELAPLANE...
  THE PLAINS...

HAIL TO THE SIZE OF PENNIES AND WIND GUSTS TO 60 MPH CAN BE EXPECTED
IN THE WARNED AREA. STAY INDOORS AND AWAY FROM WINDOWS UNTIL THE
STORM HAS PASSED.

LAT...LON 3885 7812 3867 7810 3873 7772 3892 7769
      3899 7788

$$

JB/CS
2 follow-up statements
000 
WWUS51 KLWX 142053
SVSLWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
452 PM EDT SAT MAY 14 2005

VAC061-157-142115-
/O.CON.KLWX.SV.W.0021.000000T0000Z-050514T2115Z/
RAPPAHANNOCK VA-FAUQUIER VA-
452 PM EDT SAT MAY 14 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 515 PM EDT FOR
FAUQUIER AND RAPPAHANNOCK COUNTIES...

AT 412 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...
AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
FLINT HILL...OR ABOUT 12 MILES SOUTH OF FRONT ROYAL...MOVING EAST AT
15 MPH.

LAT...LON 3885 7812 3867 7810 3873 7772 3892 7769
      3899 7788

$$
STRONG
000 
WWUS51 KLWX 142118
SVSLWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
516 PM EDT SAT MAY 14 2005

VAC061-157-142127-
/O.EXP.KLWX.SV.W.0021.000000T0000Z-050514T2115Z/
RAPPAHANNOCK VA-FAUQUIER VA-
516 PM EDT SAT MAY 14 2005

...THE SEVERE THUNDERSTORM WARNING FOR FAUQUIER AND RAPPAHANNOCK
COUNTIES EXPIRES AT 515 PM EDT...

A STRONG THUNDERSTORM WILL MOVE THROUGH EASTERN FAUQUIER COUNTY 
THROUGH 535 PM EDT...BUT IS EXPECTED TO REMAIN BELOW SEVERE LIMITS.

LAT...LON 3885 7812 3867 7810 3873 7772 3892 7769
      3899 7788

$$

JB

The office that day

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

IssuedProductOfficeCountiesLasted
May 14, 3:06 PM EDTSevere Thunderstorm WarningLWXWarren19 min
May 14, 3:50 PM EDTSevere Thunderstorm WarningLWXFauquier42 min
May 14, 3:52 PM EDTSevere Thunderstorm WarningLWXLoudoun39 min
May 14, 4:39 PM EDTSevere Thunderstorm WarningLWXLoudoun25 min
May 14, 4:44 PM EDTSevere Thunderstorm WarningLWXFairfax47 min
May 14, 5:12 PM EDTSpecial Marine WarningLWX63 min
May 14, 5:49 PM EDTSevere Thunderstorm WarningLWXAugusta, Nelson, City of Waynesboro33 min
May 14, 5:58 PM EDTSpecial Marine WarningLWX92 min
May 14, 6:01 PM EDTSevere Thunderstorm WarningLWXFauquier59 min
May 14, 6:13 PM EDTSevere Thunderstorm WarningLWXArlington, City of Alexandria, City of Falls Church30 min
May 14, 6:15 PM EDTSpecial Marine WarningLWX60 min
May 14, 6:45 PM EDTSevere Thunderstorm WarningLWXRappahannock23 min
May 14, 6:59 PM EDTSevere Thunderstorm WarningLWXFauquier18 min
May 14, 7:01 PM EDTSevere Thunderstorm WarningLWXFairfax, Loudoun, Prince William59 min
May 14, 7:57 PM EDTSevere Thunderstorm WarningLWXArlington33 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2005Every severe thunderstorm warning in 2005

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.