Alert archive / Maryland / Tornado Warnings in 1998

Tornado Warning 3, NWS Baltimore/Washington

June 2, 1998Allegany County, Maryland

NWS Baltimore/Washington issued this tornado warning at Jun 2, 1998, 7:29 PM EDT for Allegany County, Maryland. It was in force for 61 min. 5 reports 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 2, 1998, 7:29 PM EDT (23:29 UTC)
Expired
Jun 2, 1998, 8:30 PM EDT
In force
61 min
Issued by
NWS Baltimore/Washington
Area
Whole counties

County Allegany County, MD

The radar

The Sterling radar (KLWX), 127 km from the middle of the area, began a volume at 23:33 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 2, 7:56 PM EDTTornado F1Mt Savage Jct, MD
Jun 2, 8:03 PM EDTHail 0.75Cumberland, MD
Jun 2, 8:20 PM EDTHail 1Oldtown, MD
Jun 2, 8:20 PM EDTThunderstorm WindOldtown, MD
Jun 2, 8:21 PM EDTTornado F0Cumberland, 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 2, 4:15 PM EDTTornado WatchSPC6 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 11.5 hours before the alert went out and 134 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 1998-06-02Temperature 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 1998-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 159 square meters per square second.1939587897Sfc1 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
1525 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
159 m²/s²
0-3 km storm-relative helicity
193 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 022329 RRA
TORWBC
MDC001-030030-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON
729 PM EDT TUE JUN 2 1998

THE NATIONAL WEATHER SERVICE IN STERLING VA HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN ALLEGANY COUNTY MD

* UNTIL 830 PM EDT

* AT 726 PM EDT... A TORNADO WAS INDICATED DOPPLER RADAR
  OVER SOUTHWESTERN SOMERSET COUNTY...
  MOVING SOUTHEAST 20 MPH.

* DOPPLER RADAR INDICATED A TORNADO OVER SOUTHWESTERN SOMERSET
  COUNTY PA. THE STORM WILL MOVE INTO NORTHWESTERN ALLEGANY COUNTY
  MD   BETWEEN 740 AND 755PM. THIS IS A DANGEROUS STORM.

IF YOU ARE IN THE PATH OF THIS TORNADO MOVE TO A BASEMENT. IF YOU
DON'T HAVE A BASEMENT...GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR OF YOUR HOME OR BUILDING. AVOID WINDOWS...DOORS AND OUTSIDE
WALLS. ABANDON MOBILE HOMES AND VEHICLES FOR A BUILDING.

STAY TUNED TO TV...RADIO AND NOAA WEATHER RADIO FOR UPDATES AND
WARNINGS.

ADS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 2, 6:41 PM EDTSevere Thunderstorm WarningLWXCarroll49 min
Jun 2, 6:59 PM EDTSevere Thunderstorm WarningLWXBaltimore61 min
Jun 2, 7:11 PM EDTSevere Thunderstorm WarningLWXMontgomery49 min
Jun 2, 7:31 PM EDTSevere Thunderstorm WarningLWXCity of Baltimore34 min
Jun 2, 7:37 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Howard, Prince George's63 min

Nearby

Tornado Warnings in Maryland, 1998Every tornado warning in 1998Tornadoes in 1998

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.