Alert archive / Maryland / Tornado Warnings in 2016

Tornado Warning 47, NWS Wakefield, VA

July 28, 2016Somerset County, Maryland; Accomack County, Virginia

NWS Wakefield, VA issued this tornado warning at Jul 28, 2016, 8:05 PM EDT for Somerset County, Maryland; Accomack County, Virginia. 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 28, 2016, 8:05 PM EDT (00:05 UTC)
Expired: Jul 28, 2016, 8:30 PM EDT
In force: 25 min
Issued by: NWS Wakefield, VA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Somerset County, MD, Accomack County, VA

The radar

The Dover AFB radar (KDOX), 107 km from the middle of the area, began a volume at 00:07 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 nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 00:00Z, 0.1 hours before the alert went out and 39 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: 962 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 860 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 178 m²/s²
0-3 km storm-relative helicity: 237 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 2.8

Open this sounding in Storm Lab

The text

As transmitted.

151 
WFUS51 KAKQ 290005
TORAKQ
MDC039-VAC001-290030-
/O.NEW.KAKQ.TO.W.0047.160729T0005Z-160729T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WAKEFIELD VA
805 PM EDT THU JUL 28 2016

THE NATIONAL WEATHER SERVICE IN WAKEFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN SOMERSET COUNTY IN SOUTHEASTERN MARYLAND...
  NORTH CENTRAL ACCOMACK COUNTY IN SOUTHEASTERN VIRGINIA...

* UNTIL 830 PM EDT
    
* AT 805 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED OVER LAWSONIA...OR 18 MILES SOUTHWEST OF
  POCOMOKE CITY... MOVING EAST AT 15 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
  SOUTHWESTERN SOMERSET AND NORTH CENTRAL ACCOMACK COUNTIES...
  INCLUDING THE FOLLOWING LOCATIONS: BYRDTOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING ISSUED
FOR THE SAME AREA.

PLEASE SEND YOUR REPORTS OF HAIL AND OR WIND DAMAGE...INCLUDING
TREES OR LARGE LIMBS DOWNED...BY CALLING NOAA'S NATIONAL WEATHER
SERVICE IN WAKEFIELD AT
...7 5 7...8 9 9...2 4 1 5.
&&

LAT...LON 3786 7577 3788 7580 3790 7580 3789 7585
      3791 7590 3792 7589 3792 7590 3796 7589
      3795 7589 3795 7587 3796 7586 3796 7573
TIME...MOT...LOC 0005Z 283DEG 12KT 3794 7586 

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

$$

DEROSA

1 follow-up statement

773 
WWUS51 KAKQ 290030
SVSAKQ

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
830 PM EDT THU JUL 28 2016

MDC039-VAC001-290040-
/O.EXP.KAKQ.TO.W.0047.000000T0000Z-160729T0030Z/
SOMERSET MD-ACCOMACK VA-
830 PM EDT THU JUL 28 2016

...THE TORNADO WARNING FOR SOUTHWESTERN SOMERSET AND NORTH CENTRAL
ACCOMACK COUNTIES HAS EXPIRED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO.
THEREFORE THE WARNING HAS BEEN ALLOWED TO EXPIRE.  

HOWEVER...GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS
THUNDERSTORM.

LAT...LON 3786 7577 3788 7580 3790 7580 3789 7585
      3791 7590 3792 7589 3792 7590 3796 7589
      3795 7589 3795 7587 3796 7586 3796 7573
TIME...MOT...LOC 0028Z 283DEG 12KT 3794 7586 

$$

DEROSA

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 28, 8:29 PM EDT	Severe Thunderstorm Warning	AKQ	Somerset	34 min
Jul 28, 8:04 PM EDT	Special Marine Warning	AKQ		56 min
Jul 28, 8:17 PM EDT	Special Marine Warning	AKQ		58 min
Jul 28, 8:21 PM EDT	Special Weather Statement	AKQ	Accomack	39 min
Jul 28, 8:39 PM EDT	Special Weather Statement	AKQ	Caroline, Essex, Louisa, Westmoreland	66 min
Jul 28, 9:43 PM EDT	Severe Thunderstorm Warning	AKQ	Caroline, Essex, King and Queen, King William, Richmond, Westmoreland	47 min
Jul 28, 9:50 PM EDT	Tornado Warning	AKQ	Essex, King and Queen, Richmond, Westmoreland	40 min
Jul 28, 10:07 PM EDT	Special Weather Statement	AKQ	Hanover, Henrico, King William, City of Richmond	38 min
Jul 28, 10:22 PM EDT	Tornado Warning	AKQ	Essex, Lancaster, Middlesex, Northumberland, Richmond, Westmoreland	53 min
Jul 28, 10:23 PM EDT	Special Marine Warning	AKQ		67 min
Jul 28, 10:29 PM EDT	Special Weather Statement	AKQ	Henrico, New Kent	46 min
Jul 28, 10:31 PM EDT	Special Weather Statement	AKQ	Hanover, Powhatan, City of Richmond	44 min
Jul 28, 10:40 PM EDT	Severe Thunderstorm Warning	AKQ	Gloucester, James City, King and Queen, King William, Middlesex, New Kent	50 min
Jul 28, 10:59 PM EDT	Special Weather Statement	AKQ	Essex, King and Queen, King William	46 min
Jul 28, 11:18 PM EDT	Special Marine Warning	AKQ		72 min
Jul 28, 11:23 PM EDT	Special Weather Statement	AKQ	Lancaster, Northumberland	37 min
Jul 28, 11:27 PM EDT	Severe Thunderstorm Warning	AKQ	Gloucester, King and Queen, Lancaster, Mathews, Middlesex	48 min
Jul 28, 11:56 PM EDT	Special Weather Statement	AKQ	Amelia, Nottoway, Prince Edward	49 min
Jul 29, 12:05 AM EDT	Special Weather Statement	AKQ	Accomack	40 min
Jul 29, 12:07 AM EDT	Special Weather Statement	AKQ	King and Queen, Lancaster, Northumberland	38 min
Jul 29, 12:14 AM EDT	Special Weather Statement	AKQ	Cumberland, Goochland, Powhatan	31 min
Jul 29, 12:18 AM EDT	Severe Thunderstorm Warning	AKQ	Accomack	42 min
Jul 29, 12:30 AM EDT	Special Marine Warning	AKQ		60 min

Nearby

Tornado Warnings in Maryland, 2016 Tornado Warnings in Virginia, 2016 Every tornado warning in 2016 Tornadoes in 2016

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.