Alert archive / Maryland / Tornado Warnings in 2021

Tornado Warning 21, NWS Wakefield, VA

July 9, 2021Wicomico County, Maryland

NWS Wakefield, VA issued this tornado warning at Jul 9, 2021, 12:05 AM EDT for Wicomico County, Maryland. It was in force for 25 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, 12:05 AM EDT (04:05 UTC)
Expired: Jul 9, 2021, 12:30 AM EDT
In force: 25 min
Issued by: NWS Wakefield, VA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Wicomico County, MD

The radar

The Dover AFB radar (KDOX), 50 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 50 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.

810 
WFUS51 KAKQ 090405
TORAKQ
MDC045-090430-
/O.NEW.KAKQ.TO.W.0021.210709T0405Z-210709T0430Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Wakefield VA
1205 AM EDT Fri Jul 9 2021

The National Weather Service in Wakefield has issued a

* Tornado Warning for...
  East central Wicomico County in southeastern Maryland...

* Until 1230 AM EDT.
    
* At 1204 AM EDT, a severe thunderstorm capable of producing a
  tornado was located near Newark, or 13 miles east of Salisbury,
  moving northwest at 35 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
  east central Wicomico County, including the following locations...
  Willards, Melson and Pittsville.

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.

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

&&

LAT...LON 3832 7534 3832 7536 3845 7554 3845 7534
      3841 7532 3840 7532 3838 7533 3837 7532
      3835 7531
TIME...MOT...LOC 0404Z 149DEG 31KT 3835 7534 

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

$$

44

1 follow-up statement

891 
WWUS51 KAKQ 090425
SVSAKQ

Severe Weather Statement
National Weather Service Wakefield VA
1225 AM EDT Fri Jul 9 2021

MDC045-090434-
/O.EXP.KAKQ.TO.W.0021.000000T0000Z-210709T0430Z/
Wicomico MD-
1225 AM EDT Fri Jul 9 2021

...THE TORNADO WARNING FOR EAST CENTRAL WICOMICO COUNTY WILL EXPIRE
AT 1230 AM EDT...
    
The tornadic thunderstorm which prompted the warning has moved into 
Delaware. Therefore, the warning will be allowed to expire.

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

LAT...LON 3832 7534 3832 7536 3845 7554 3845 7534
      3841 7532 3840 7532 3838 7533 3837 7532
      3835 7531
TIME...MOT...LOC 0424Z 149DEG 31KT 3849 7545 

$$

44

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, 12:04 AM EDT	Tornado Warning	AKQ	Worcester	26 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.