Alert archive / Virginia / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 26, NWS Baltimore/Washington

May 10, 2000City of Winchester, Virginia

NWS Baltimore/Washington issued this severe thunderstorm warning at May 10, 2000, 1:56 PM EDT for City of Winchester, Virginia. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 10, 2000, 1:56 PM EDT (17:56 UTC)
Expired
May 10, 2000, 2:45 PM EDT
In force
49 min
Issued by
NWS Baltimore/Washington
Area
Whole counties; the outline is the Mesonet’s reconstruction

County City of Winchester, VA

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 5.9 hours before the alert went out and 71 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 2000-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 825 joules per kilogram.LCLLFCEL10008507005003002001001 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 2000-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 square meters per square second.193958Sfc1 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
825 J/kg
Mixed-layer CIN
-122 J/kg
Mixed-layer LCL
1518 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
69 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.5

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Baltimore/Washington wrote its last area forecast discussion before this severe thunderstorm warning went out at May 10, 10:10 AM EDT, 3 hours 46 minutes earlier.

Area forecast discussion, May 10, 10:10 AM EDT, 3 hours 46 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 10, 1:09 PM EDTSevere Thunderstorm WarningLWXFrederick51 min
May 10, 1:56 PM EDTSevere Thunderstorm WarningLWXFrederick49 min
May 10, 3:12 PM EDTSevere Thunderstorm WarningLWXFrederick, City of Winchester48 min
May 10, 3:35 PM EDTSevere Thunderstorm WarningLWXClarke40 min
May 10, 3:37 PM EDTSevere Thunderstorm WarningLWXWarren53 min
May 10, 4:00 PM EDTSevere Thunderstorm WarningLWXLoudoun45 min
May 10, 4:15 PM EDTSevere Thunderstorm WarningLWXFauquier, Prince William45 min
May 10, 4:53 PM EDTSevere Thunderstorm WarningLWXCulpeper, Madison, Orange52 min
May 10, 4:58 PM EDTSevere Thunderstorm WarningLWXFairfax, Prince William, City of Fairfax, City of Falls Church47 min
May 10, 4:58 PM EDTSevere Thunderstorm WarningLWXCity of Manassas, City of Manassas Park47 min
May 10, 5:15 PM EDTSevere Thunderstorm WarningLWXFauquier, Stafford45 min
May 10, 5:35 PM EDTSevere Thunderstorm WarningLWXSpotsylvania40 min
May 10, 5:43 PM EDTSevere Thunderstorm WarningLWXArlington, Fairfax, Prince William, City of Alexandria47 min
May 10, 6:22 PM EDTSevere Thunderstorm WarningLWXKing George38 min
May 10, 11:05 AM EDTSevere Thunderstorm WarningLWXAnne Arundel, Prince George's55 min
May 10, 2:40 PM EDTSevere Thunderstorm WarningLWXFrederick50 min
May 10, 3:20 PM EDTSevere Thunderstorm WarningLWXCarroll40 min
May 10, 3:54 PM EDTSevere Thunderstorm WarningLWXBaltimore, Carroll51 min
May 10, 4:11 PM EDTSevere Thunderstorm WarningLWXFrederick, Montgomery49 min
May 10, 4:31 PM EDTSevere Thunderstorm WarningLWXHoward44 min
May 10, 4:43 PM EDTSevere Thunderstorm WarningLWXBaltimore, Howard, Montgomery47 min
May 10, 4:43 PM EDTSevere Thunderstorm WarningLWXCity of Baltimore47 min
May 10, 5:06 PM EDTTornado WarningLWXBaltimore24 min
May 10, 5:59 PM EDTSevere Thunderstorm WarningLWXPrince George's46 min
May 10, 6:11 PM EDTSevere Thunderstorm WarningLWXCharles49 min
May 10, 6:33 PM EDTSevere Thunderstorm WarningLWXCalvert42 min
May 10, 6:51 PM EDTSevere Thunderstorm WarningLWXCharles, Saint Mary's39 min
May 10, 3:02 PM EDTSevere Thunderstorm WarningLWXBerkeley, Jefferson43 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2000Every severe thunderstorm warning in 2000

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.