Alert archive / Maryland / Tornado Warnings in 1997

Tornado Warning 5, NWS Baltimore/Washington

June 18, 1997Washington County, Maryland

NWS Baltimore/Washington issued this tornado warning at Jun 18, 1997, 5:29 PM EDT for Washington County, Maryland. It was in force for 31 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 18, 1997, 5:29 PM EDT (21:29 UTC)
Expired
Jun 18, 1997, 6:00 PM EDT
In force
31 min
Issued by
NWS Baltimore/Washington
Area
Whole counties

County Washington County, MD

The radar

The Sterling radar (KLWX), 75 km from the middle of the area, began a volume at 21:29 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.

What was reported inside it

TimeReportWhereRemark
Jun 18, 5:29 PM EDTTornado F0Hancock, MD

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 9.5 hours before the alert went out and 81 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 1997-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 392 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 1997-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 156 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
392 J/kg
Mixed-layer CIN
-95 J/kg
Mixed-layer LCL
671 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
156 m²/s²
0-3 km storm-relative helicity
219 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.4

Open this sounding in Storm Lab

The text

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

938 
WFUS1 KWBC 182132 RRA
TORWBC
MDC043-182200-

BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WASHINGTON DC
529 PM EDT WED JUN 18 1997

THE NATIONAL WEATHER SERVICE IN WASHINGTON HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  600 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN WEST CENTRAL MARYLAND

   ...WESTERN WASHINGTON COUNTY

DOPPLER RADAR AT 530 PM INDICATES A TORNADO JUST EAST OF HANCOCK MOVING
EAST AT 25 MPH. IT SHOULD BE NEAR INTERSTATE 70.

PEOPLE IN WASHINGTON COUNTY WITHIN 5 MILES OF THE PENNSYLVANIA BORDER
SUCH AS CLEAR SPRING AND INDIAN SPRINGS WILL BE AFFECTED.
THE STORM PATH WOULD BE NEAR OR JUST NORTH OF HAGERSTOWN IF IT
HOLDS TOGETHER.

IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.

RDH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 1:29 PM EDTTornado WarningLWXWashington31 min
Jun 18, 4:01 PM EDTFlash Flood WarningLWXAllegany44 min
Jun 18, 4:01 PM EDTSevere Thunderstorm WarningLWXAllegany44 min
Jun 18, 6:02 PM EDTSevere Thunderstorm WarningLWXMontgomery33 min
Jun 18, 6:34 PM EDTSevere Thunderstorm WarningLWXMontgomery31 min
Jun 18, 6:52 PM EDTSevere Thunderstorm WarningLWXPrince George's48 min
Jun 18, 7:15 PM EDTSevere Thunderstorm WarningLWXAnne Arundel30 min
Jun 18, 7:31 PM EDTSevere Thunderstorm WarningLWXCharles59 min

Nearby

Tornado Warnings in Maryland, 1997Every tornado warning in 1997Tornadoes in 1997

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.