Alert archive / Maryland / Tornado Warnings in 1989

Tornado Warning 2, NWS Baltimore/Washington

June 14, 1989Somerset County, Worcester County, Maryland

NWS Baltimore/Washington issued this tornado warning at Jun 14, 1989, 7:51 PM EDT for Somerset County, Worcester County, Maryland. It was in force for 69 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 14, 1989, 7:51 PM EDT (23:51 UTC)
Expired: Jun 14, 1989, 9:00 PM EDT
In force: 69 min
Issued by: NWS Baltimore/Washington
Area: Whole counties

Counties Somerset County, MD, Worcester County, MD

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

Time	Report	Where	Remark
Jun 14, 8:26 PM EDT	Thunderstorm Wind 0	Somerset, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 11.9 hours before the alert went out and 29 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: 9 J/kg
Mixed-layer CIN: -60 J/kg
Mixed-layer LCL: 947 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 11 m²/s²
0-3 km storm-relative helicity: 91 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 KBWI 142351
TORBWI
MDC039-047-150100-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO AND SPECIAL MARINE WARNING 
NATIONAL WEATHER SERVICE BALTIMORE MD
751 PM EDT WED JUN 14 1989

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO AND SPECIAL 
MARINE WARNING EFFECTIVE UNTIL 900 PM EDT FOR PEOPLE IN THE 
FOLLOWING COUNTIES

   IN THE STATE OF MARYLAND
      EASTERN SOMERSET...WORCESTER

...THIS WARNING ALSO INCLUDES THE ADJACENT COASTAL WATERS FOR THE
COUNTIES JUST MENTIONED

WEATHER RADAR AT 745 PM INDICATED A POSSIBLE TORNADO ABOUT 5 MILES
SOUTHEAST OF PRINCESS ANNE IN SOMERSET COUNTY MOVING EAST AT 30 TO 35
MPH.

IF YOU ARE IN THE PATH OF A TORNADO..GO TO A BASEMENT SHELTER
OR A CENTRAL INTERIOR ROOM ON THE LOWEST FLOOR. ABANDON CARS AND
MOBILE HOMES FOR REINFORCED BUILDINGS.

PLEASE REPORT ALL SEVERE WEATHER TO LAW ENFORCEMENT OFFICIALS AND
ASK THERM TO RELAY THE REPORT ALONG TO A WEATHER SERVICE OFFICE.

DAVIS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 14, 3:54 PM EDT	Severe Thunderstorm Warning	LWX	Montgomery	66 min
Jun 14, 4:30 PM EDT	Severe Thunderstorm Warning	LWX	Prince George's	60 min
Jun 14, 4:38 PM EDT	Severe Thunderstorm Warning	LWX	Carroll, Howard	67 min
Jun 14, 4:38 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel	67 min
Jun 14, 5:35 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Carroll, Howard	55 min
Jun 14, 5:39 PM EDT	Severe Thunderstorm Warning	LWX	Caroline, Dorchester, Talbot	51 min
Jun 14, 6:59 PM EDT	Tornado Warning	LWX	Wicomico, Worcester	61 min

Nearby

Tornado Warnings in Maryland, 1989 Every tornado warning in 1989 Tornadoes in 1989

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.