Alert archive / Maryland / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 39, NWS Philadelphia/Mount Holly

May 23, 2016Talbot County, Maryland

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 23, 2016, 4:24 PM EDT for Talbot County, Maryland. It was in force for 66 min. 1 report 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
May 23, 2016, 4:24 PM EDT (20:24 UTC)
Expired
May 23, 2016, 5:30 PM EDT
In force
66 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

County Talbot County, MD

The radar

The Dover AFB radar (KDOX), 66 km from the middle of the area, began a volume at 20:27 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
May 23, 4:35 PM EDTHAIL 0.25Easton, MD

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

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 8.4 hours before the alert went out and 107 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 2016-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 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 2016-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 square meters per square second.193958Sfc1 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
6 J/kg
Mixed-layer CIN
-85 J/kg
Mixed-layer LCL
1106 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
80 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

181 
WUUS51 KPHI 232024
SVRPHI
MDC041-232130-
/O.NEW.KPHI.SV.W.0039.160523T2024Z-160523T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
424 PM EDT MON MAY 23 2016

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  TALBOT COUNTY IN EASTERN MARYLAND...

* UNTIL 530 PM EDT

* AT 424 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER CORDOVA...OR
  NEAR EASTON...MOVING SOUTHWEST AT 25 MPH.

  HAZARD...QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

* LOCATIONS IMPACTED INCLUDE...
  EASTON...TALBOT...ST. MICHAELS...OXFORD...TILGHMAN ISLAND...MATTHEWS...
  CORDOVA AND HAMBLETON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3875 7634 3884 7626 3878 7620 3885 7613
      3886 7615 3891 7595 3880 7591 3875 7600
      3871 7600 3865 7614 3871 7623 3876 7622
      3875 7625 3873 7627 3878 7628 3876 7632
      3868 7633 3869 7633
TIME...MOT...LOC 2024Z 064DEG 22KT 3884 7601 

HAIL...1.00IN
WIND...<50MPH
 
$$
1 follow-up statement
533 
WWUS51 KPHI 232114
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
514 PM EDT MON MAY 23 2016

MDC041-232130-
/O.CON.KPHI.SV.W.0039.000000T0000Z-160523T2130Z/
TALBOT MD-
514 PM EDT MON MAY 23 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR NORTHWESTERN TALBOT COUNTY...

AT 514 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR TILGHMAN
ISLAND...OR 9 MILES EAST OF CHESAPEAKE BEACH...MOVING SOUTHWEST AT 25
MPH.

HAZARD...QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

LOCATIONS IMPACTED INCLUDE...
TILGHMAN ISLAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3875 7634 3882 7626 3876 7621 3871 7620
      3871 7623 3876 7622 3875 7625 3873 7627
      3878 7628 3876 7632 3868 7633 3869 7633
TIME...MOT...LOC 2114Z 064DEG 22KT 3871 7636 

HAIL...1.00IN
WIND...<50MPH
 
$$

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 23, 3:59 PM EDTSpecial Weather StatementPHICaroline, Talbot61 min
May 23, 5:03 PM EDTSpecial Weather StatementPHIQueen Anne's72 min
May 23, 5:06 PM EDTSevere Thunderstorm WarningPHIQueen Anne's, Talbot47 min
May 23, 6:29 PM EDTSpecial Weather StatementPHICecil31 min

Nearby

Severe Thunderstorm Warnings in Maryland, 2016Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.