Alert archive / Maryland / Tornado Warnings in 2021

Tornado Warning 14, NWS Baltimore/Washington

June 3, 2021Harford County, Maryland

NWS Baltimore/Washington issued this tornado warning at Jun 3, 2021, 6:53 PM EDT for Harford County, Maryland. It was in force for 10 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 3, 2021, 6:53 PM EDT (22:53 UTC)
Expired
Jun 3, 2021, 7:03 PM EDT
In force
10 min
Issued by
NWS Baltimore/Washington
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Harford County, MD

The radar

The Dover AFB radar (KDOX), 106 km from the middle of the area, began a volume at 22:56 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 3, 6:54 PM EDTTSTM WND DMG2 Ese Bel Air, MDA COUPLE TREES BLEW DOWN ON PATTERSON MILL ROAD.
Jun 3, 6:57 PM EDTTSTM WND DMG2 Ene Bel Air, MDA FEW TREES BLEW DOWN ON CHEROKEE LANE.
Jun 3, 7:03 PM EDTTSTM WND DMG3 Wsw Churchville, MDSTRUCTURAL DAMAGE TO A GARAGE AND FIVE TREES DOWN IN THE 2000 BLOCK OF CHURCHVILLE ROAD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 3, 2:48 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 10.9 hours before the alert went out and 116 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 2021-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 73 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 12:00Z on 2021-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 116 square meters per square second.19395878Sfc1 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
73 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
511 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
116 m²/s²
0-3 km storm-relative helicity
118 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

385 
WFUS51 KLWX 032253
TORLWX
MDC025-032330-
/O.NEW.KLWX.TO.W.0014.210603T2253Z-210603T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Baltimore MD/Washington DC
653 PM EDT Thu Jun 3 2021

The National Weather Service in Sterling Virginia has issued a

* Tornado Warning for...
  Central Harford County in northern Maryland...

* Until 730 PM EDT.
    
* At 653 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Bel Air South, or 8 miles west of Aberdeen, moving
  northeast at 20 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...For those in the direct path of a tornado touchdown, 
           flying debris will be dangerous to those caught without 
           shelter. Damage to roofs, siding, and windows may occur. 
           Mobile homes may be damaged or destroyed. Tree damage is 
           likely.

* This dangerous storm will be near...
  Aberdeen around 715 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Carsins and Churchville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3948 7634 3952 7637 3961 7620 3953 7613
TIME...MOT...LOC 2253Z 243DEG 19KT 3950 7634 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

CJL
1 follow-up statement
106 
WWUS51 KLWX 032303
SVSLWX

Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
703 PM EDT Thu Jun 3 2021

MDC025-032313-
/O.CAN.KLWX.TO.W.0014.000000T0000Z-210603T2330Z/
Harford MD-
703 PM EDT Thu Jun 3 2021

...THE TORNADO WARNING FOR CENTRAL HARFORD COUNTY IS CANCELLED...
    
The tornado threat has diminished and the Tornado Warning has been 
cancelled. However, damaging winds remain likely and a Severe 
Thunderstorm Warning remains in effect for the area. 

A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
northern Maryland.

LAT...LON 3948 7634 3952 7637 3961 7620 3953 7613
TIME...MOT...LOC 2300Z 243DEG 19KT 3953 7628 

$$

CJL

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 3, 8:56 AM EDTFlash Flood WatchLWXBaltimore, Carroll, Cecil, Frederick, Harford, Howard and 2 more13 hr
Jun 3, 3:14 PM EDTSevere Thunderstorm WarningLWXFrederick, Montgomery46 min
Jun 3, 3:47 PM EDTSevere Thunderstorm WarningLWXCarroll, Frederick, Howard, Montgomery43 min
Jun 3, 3:50 PM EDTSevere Thunderstorm WarningLWXFrederick, Washington40 min
Jun 3, 4:12 PM EDTSevere Thunderstorm WarningLWXBaltimore33 min
Jun 3, 4:20 PM EDTSevere Thunderstorm WarningLWXBaltimore, Carroll, Howard, City of Baltimore40 min
Jun 3, 4:43 PM EDTSevere Thunderstorm WarningLWXBaltimore, Cecil, Harford, City of Baltimore47 min
Jun 3, 4:51 PM EDTTornado WarningLWXBaltimore, Harford9 min
Jun 3, 4:54 PM EDTSevere Thunderstorm WarningLWXFrederick, Montgomery36 min
Jun 3, 4:58 PM EDTAreal Flood WarningLWXBaltimore, Harford6 hr
Jun 3, 4:59 PM EDTTornado WarningLWXBaltimore, Harford16 min
Jun 3, 5:26 PM EDTSevere Thunderstorm WarningLWXBaltimore, Cecil, Harford49 min
Jun 3, 5:27 PM EDTSevere Thunderstorm WarningLWXHoward, Montgomery33 min
Jun 3, 5:55 PM EDTAreal Flood WarningLWXBaltimore, Harford34 min
Jun 3, 6:03 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Howard, Montgomery, Prince George's28 min
Jun 3, 6:14 PM EDTSevere Thunderstorm WarningLWXCecil, Harford34 min
Jun 3, 6:29 PM EDTFlash Flood Warning Considerable damage threatLWXBaltimore, Harford3 hr
Jun 3, 6:36 PM EDTSevere Thunderstorm WarningLWXBaltimore, Harford39 min
Jun 3, 6:46 PM EDTAreal Flood WarningLWXCecil4 hr

Nearby

Tornado Warnings in Maryland, 2021Every tornado warning in 2021Tornadoes in 2021

Sources

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