Alert archive / Maryland / Tornado Warnings in 2021

Tornado Warning 20, NWS Wakefield, VA

July 9, 2021Worcester County, Maryland

NWS Wakefield, VA issued this tornado warning at Jul 9, 2021, 12:04 AM EDT for Worcester County, Maryland. It was in force for 26 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 9, 2021, 12:04 AM EDT (04:04 UTC)
Expired: Jul 9, 2021, 12:30 AM EDT
In force: 26 min
Issued by: NWS Wakefield, VA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

County Worcester County, MD

The radar

The Dover AFB radar (KDOX), 63 km from the middle of the area, began a volume at 04:07 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 watch it was issued in

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

Issued	Product	Office	Lasted
Jul 8, 1:50 PM EDT	Tornado Watch	SPC	11 hr

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 00:00Z, 4.1 hours before the alert went out and 53 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: 440 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 675 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 151 m²/s²
0-3 km storm-relative helicity: 336 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 3.3

Open this sounding in Storm Lab

The text

As transmitted.

713 
WFUS51 KAKQ 090404
TORAKQ
MDC047-090430-
/O.NEW.KAKQ.TO.W.0020.210709T0404Z-210709T0430Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Wakefield VA
1204 AM EDT Fri Jul 9 2021

The National Weather Service in Wakefield has issued a

* Tornado Warning for...
  Northeastern Worcester County in southeastern Maryland...

* Until 1230 AM EDT.
    
* At 1204 AM EDT, a severe thunderstorm capable of producing a
  tornado was located 8 miles south of Ocean City, moving north at 45
  mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Ocean City and Cape Isle Of Wight around 1215 AM EDT.
  Ocean Pines around 1220 AM EDT.

Other locations impacted by this tornadic thunderstorm include West
Ocean City.

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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

Please report severe weather by calling 757-899-2415, posting to the
NWS Wakefield Facebook page, or using Twitter @NWSWAKEFIELDVA.

&&

LAT...LON 3827 7505 3822 7508 3845 7518 3845 7505
TIME...MOT...LOC 0404Z 168DEG 41KT 3823 7503 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

Butner

2 follow-up statements

087 
WWUS51 KAKQ 090415
SVSAKQ

Severe Weather Statement
National Weather Service Wakefield VA
1215 AM EDT Fri Jul 9 2021

MDC047-090430-
/O.CON.KAKQ.TO.W.0020.000000T0000Z-210709T0430Z/
Worcester MD-
1215 AM EDT Fri Jul 9 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 AM EDT FOR
NORTHEASTERN WORCESTER COUNTY...
    
At 1215 AM EDT, a severe thunderstorm capable of producing a tornado
was located over Ocean City, moving northwest at 60 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornadic thunderstorm will remain over mainly rural areas of
northeastern Worcester County, including the following locations...
West Ocean City.

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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3834 7505 3833 7508 3833 7513 3845 7518
      3845 7505
TIME...MOT...LOC 0415Z 157DEG 51KT 3837 7508 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

Butner

091 
WWUS51 KAKQ 090429
SVSAKQ

Severe Weather Statement
National Weather Service Wakefield VA
1229 AM EDT Fri Jul 9 2021

MDC047-090439-
/O.EXP.KAKQ.TO.W.0020.000000T0000Z-210709T0430Z/
Worcester MD-
1229 AM EDT Fri Jul 9 2021

...THE TORNADO WARNING FOR NORTHEASTERN WORCESTER COUNTY WILL EXPIRE
AT 1230 AM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 200 AM EDT for southeastern
Maryland.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Wakefield.

LAT...LON 3834 7505 3833 7508 3833 7513 3845 7518
      3845 7505
TIME...MOT...LOC 0429Z 168DEG 41KT 3852 7512 

$$

Butner

The office that day

Everything else NWS Wakefield, VA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 8, 11:37 PM EDT	Areal Flood Advisory	AKQ	Dorchester, Somerset, Wicomico	3 hr
Jul 8, 11:48 PM EDT	Tornado Warning	AKQ	Wicomico, Worcester	27 min
Jul 9, 12:02 AM EDT	Areal Flood Advisory	AKQ	Dorchester, Somerset, Wicomico, Worcester	3 hr
Jul 9, 12:05 AM EDT	Tornado Warning	AKQ	Wicomico	25 min
Jul 9, 12:25 AM EDT	Flash Flood Warning	AKQ	Dorchester	3 hr
Jul 9, 6:25 PM EDT	Special Weather Statement	AKQ	Dorchester	50 min
Jul 9, 7:07 PM EDT	Special Weather Statement	AKQ	Dorchester	38 min

Nearby

Tornado Warnings in Maryland, 2021 Every tornado warning in 2021 Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.