Alert archive / Maryland / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 40, NWS Philadelphia/Mount Holly

May 23, 2016Queen Anne's County, Talbot County, Maryland

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 23, 2016, 5:06 PM EDT for Queen Anne's County, Talbot County, Maryland. It was in force for 47 min. 2 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
May 23, 2016, 5:06 PM EDT (21:06 UTC)
Expired
May 23, 2016, 5:53 PM EDT
In force
47 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
1.25 in
Wind
50.0 mph

Counties Queen Anne's County, MD, Talbot County, MD

The radar

The Dover AFB radar (KDOX), 65 km from the middle of the area, began a volume at 21:06 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, 5:17 PM EDTHAIL 0.25Centreville, MD
May 23, 5:21 PM EDTHAIL 0.75Centreville, 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, 9.1 hours before the alert went out and 106 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.

500 
WUUS51 KPHI 232106
SVRPHI
MDC035-041-232215-
/O.NEW.KPHI.SV.W.0040.160523T2106Z-160523T2215Z/

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

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN TALBOT COUNTY IN EASTERN MARYLAND...
  CENTRAL QUEEN ANNE'S COUNTY IN NORTHEASTERN MARYLAND...

* UNTIL 615 PM EDT

* AT 506 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER HOPE...OR NEAR
  CENTERVILLE...MOVING SOUTHWEST AT 10 MPH.

  HAZARD...HALF DOLLAR SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

* LOCATIONS IMPACTED INCLUDE...
  EASTON...CENTERVILLE...CENTREVILLE...CHURCH HILL...QUEEN ANNE...STARR...
  SKIPTON...WYE MILLS...CARVILLE...HOPE...STARKEY CORNER...GRASONVILLE...
  CORDOVA...QUEENSTOWN...HILLSBORO AND DOMINION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3892 7635 3898 7625 3897 7622 3900 7617
      3901 7618 3903 7619 3915 7600 3909 7585
      3898 7594 3886 7594 3876 7598 3886 7621
      3893 7620 3897 7625 3891 7624 3890 7625
      3894 7627 3893 7630 3889 7629 3893 7631
TIME...MOT...LOC 2106Z 027DEG 9KT 3907 7598 

HAIL...1.25IN
WIND...<50MPH
 
$$
2 follow-up statements
725 
WWUS51 KPHI 232139
SVSPHI

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

MDC035-041-232215-
/O.CON.KPHI.SV.W.0040.000000T0000Z-160523T2215Z/
TALBOT MD-QUEEN ANNE'S MD-
539 PM EDT MON MAY 23 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR NORTHERN TALBOT AND CENTRAL QUEEN ANNE'S COUNTIES...

AT 539 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER STARR...OR NEAR
CENTERVILLE...MOVING SOUTHWEST AT 10 MPH.

HAZARD...QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

LOCATIONS IMPACTED INCLUDE...
EASTON...CENTERVILLE...CENTREVILLE...CHURCH HILL...STARR...CARVILLE...HOPE...
STARKEY CORNER...GRASONVILLE...SKIPTON...WYE MILLS...QUEENSTOWN AND
DOMINION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3892 7635 3898 7625 3897 7622 3900 7617
      3901 7618 3903 7619 3915 7600 3909 7589
      3898 7594 3886 7603 3880 7608 3886 7621
      3893 7620 3897 7625 3891 7624 3890 7625
      3894 7627 3893 7630 3889 7629 3893 7631
TIME...MOT...LOC 2139Z 027DEG 9KT 3900 7603 

HAIL...1.00IN
WIND...<50MPH
 
$$
043 
WWUS51 KPHI 232153
SVSPHI

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

MDC035-041-232202-
/O.CAN.KPHI.SV.W.0040.000000T0000Z-160523T2215Z/
TALBOT MD-QUEEN ANNE'S MD-
553 PM EDT MON MAY 23 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN TALBOT AND CENTRAL
QUEEN ANNE'S COUNTIES IS CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS WEAKENED.
THEREFORE THE WARNING HAS BEEN CANCELLED.  HOWEVER, HEAVY RAIN AND
SMALL HAIL ARE STILL POSSIBLE.

LAT...LON 3892 7635 3898 7625 3897 7622 3900 7617
      3901 7618 3903 7619 3915 7600 3909 7589
      3898 7594 3886 7603 3880 7608 3886 7621
      3893 7620 3897 7625 3891 7624 3890 7625
      3894 7627 3893 7630 3889 7629 3893 7631
TIME...MOT...LOC 2150Z 027DEG 9KT 3897 7605 

$$

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, 4:24 PM EDTSevere Thunderstorm WarningPHITalbot66 min
May 23, 5:03 PM EDTSpecial Weather StatementPHIQueen Anne's72 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.