Alert archive / Virginia / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 13, NWS Baltimore/Washington

May 10, 1995Frederick County, Virginia

NWS Baltimore/Washington issued this severe thunderstorm warning at May 10, 1995, 7:06 PM EDT for Frederick County, Virginia. It was in force for 69 min.

The area

The counties it named.

The facts

Issued: May 10, 1995, 7:06 PM EDT (23:06 UTC)
Expired: May 10, 1995, 8:15 PM EDT
In force: 69 min
Issued by: NWS Baltimore/Washington
Area: Whole counties

County Frederick County, VA

The radar

The Sterling radar (KLWX), 72 km from the middle of the area, began a volume at 23:07 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, 11.1 hours before the alert went out and 80 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 600 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 92 m²/s²
0-3 km storm-relative helicity: 87 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 
TTAA00 KWBC 102306
SVRWBC
VAC069-840-110015-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WASHINGTON DC
706 PM EDT WED MAY 10 1995
 
THE NATIONAL WEATHER SERVICE IN WASHINGTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  815 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST VIRGINIA
 
   ...FREDERICK COUNTY
 
  AND THE INDEPENDENT CITY OF
 
   ...WINCHESTER
 
AT 700PM DOPPLER WEATHER RADAR INDICATED A SEVERE THUNDERSTORM ALONG THE
FREDERICK COUNTY/HAMPSHIRE COUNTY LINE. THE STORM IS MOVING
EAST-NORTHEAST AT 20 MPH AND WILL BE MOVING THROUGH FREDERICK COUNTY
INCLUDING THE CITIES OF MIDDLETOWN...STEPHENS CITY AND WINCHESTER DURING
THE 30 MINUTES.
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
 
 
WALSTON

The office that day

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

Issued	Product	Office	Counties	Lasted
May 10, 4:38 PM EDT	Severe Thunderstorm Warning	LWX	Rappahannock	67 min
May 10, 5:23 PM EDT	Severe Thunderstorm Warning	LWX	Shenandoah	67 min
May 10, 6:00 PM EDT	Severe Thunderstorm Warning	LWX	Culpeper, Fauquier	60 min
May 10, 6:14 PM EDT	Tornado Warning	LWX	Culpeper, Spotsylvania	31 min
May 10, 6:14 PM EDT	Tornado Warning	LWX	Orange	16 min
May 10, 6:47 PM EDT	Severe Thunderstorm Warning	LWX	Shenandoah	58 min
May 10, 7:01 PM EDT	Tornado Warning	LWX	Stafford	29 min
May 10, 7:20 PM EDT	Severe Thunderstorm Warning	LWX	Page	40 min

Nearby

Severe Thunderstorm Warnings in Virginia, 1995 Every severe thunderstorm warning in 1995

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.