Alert archive / Maryland / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 35, NWS Philadelphia/Mount Holly

May 2, 2016Caroline County, Queen Anne's County, Talbot County, Maryland

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 2, 2016, 8:37 PM EDT for Caroline County, Queen Anne's County, Talbot County, Maryland. It was in force for 68 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 2, 2016, 8:37 PM EDT (00:37 UTC)
Expired
May 2, 2016, 9:45 PM EDT
In force
68 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
1.75 in
Wind
60.0 mph

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

The radar

The Dover AFB radar (KDOX), 66 km from the middle of the area, began a volume at 00:38 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 2, 9:20 PM EDTTSTM WND DMGDoncaster, MDLARGE TREE DOWN NEAR INTERSECTION OF ST MICHAELS RD AND DONCASTER RD

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

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 00:00Z, 0.6 hours before the alert went out and 119 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, Wallops Is Stn, VA at 00:00Z on 2016-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 851 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, Wallops Is Stn, VA at 00:00Z on 2016-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 square meters per square second.19395878Sfc1 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
851 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
1134 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
114 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

744 
WUUS51 KPHI 030037
SVRPHI
MDC011-035-041-030145-
/O.NEW.KPHI.SV.W.0035.160503T0037Z-160503T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
837 PM EDT MON MAY 2 2016

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

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

* UNTIL 945 PM EDT

* AT 835 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR CHESAPEAKE
  BEACH...MOVING EAST AT 20 MPH.

  HAZARD...GOLF BALL SIZE HAIL AND 60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  EASTON...TALBOT...DENTON...FEDERALSBURG...GREENSBORO...OAKLAND...RIDGELY...
  TRAPPE...ST. MICHAELS...PRESTON...OXFORD...GOLDSBORO...QUEEN ANNE...
  CHOPTANK...STARR...HARMONY...AGNER...WINDYHILL...CORDOVA AND JUMPTOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 3883 7630 3884 7637 3892 7636 3893 7632
      3878 7621 3894 7621 3893 7631 3904 7575
      3865 7571 3870 7590 3857 7604 3868 7621
      3876 7622 3872 7630 3878 7629 3867 7634
      3876 7638
TIME...MOT...LOC 0035Z 254DEG 17KT 3869 7646 

HAIL...1.75IN
WIND...60MPH
 
$$

NIERENBERG
2 follow-up statements
712 
WWUS51 KPHI 030121
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
921 PM EDT MON MAY 2 2016

MDC011-035-041-030145-
/O.CON.KPHI.SV.W.0035.000000T0000Z-160503T0145Z/
TALBOT MD-QUEEN ANNE'S MD-CAROLINE MD-
921 PM EDT MON MAY 2 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM EDT
FOR TALBOT...SOUTH CENTRAL QUEEN ANNE'S AND CAROLINE COUNTIES...

AT 920 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR ST. MICHAELS...
OR 7 MILES WEST OF EASTON...MOVING EAST AT 20 MPH.

HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
EASTON...TALBOT...DENTON...FEDERALSBURG...GREENSBORO...OAKLAND...RIDGELY...
TRAPPE...ST. MICHAELS...PRESTON...OXFORD...GOLDSBORO...QUEEN ANNE...
CHOPTANK...STARR...HARMONY...AGNER...WINDYHILL...CORDOVA AND JUMPTOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 3883 7630 3886 7628 3887 7627 3878 7621
      3894 7621 3904 7575 3868 7571 3870 7590
      3864 7605 3868 7621 3876 7622 3874 7628
      3878 7629 3874 7632 3878 7635
TIME...MOT...LOC 0120Z 254DEG 17KT 3875 7620 

HAIL...1.25IN
WIND...60MPH
 
$$

NIERENBERG
274 
WWUS51 KPHI 030138
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
938 PM EDT MON MAY 2 2016

MDC011-035-041-030148-
/O.EXP.KPHI.SV.W.0035.000000T0000Z-160503T0145Z/
TALBOT MD-QUEEN ANNE'S MD-CAROLINE MD-
938 PM EDT MON MAY 2 2016

...THE SEVERE THUNDERSTORM WARNING FOR TALBOT...SOUTH CENTRAL QUEEN
ANNE'S AND CAROLINE COUNTIES WILL EXPIRE AT 945 PM EDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.  HOWEVER SMALL HAIL
AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 3883 7630 3886 7628 3887 7627 3878 7621
      3894 7621 3904 7575 3868 7571 3870 7590
      3864 7605 3868 7621 3876 7622 3874 7628
      3878 7629 3874 7632 3878 7635
TIME...MOT...LOC 0136Z 254DEG 17KT 3875 7620 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 2, 9:43 PM EDTSpecial Weather StatementPHICaroline, Queen Anne's77 min
May 2, 9:47 PM EDTAreal Flood AdvisoryPHIQueen Anne's, Talbot4 hr
May 2, 10:15 PM EDTSevere Thunderstorm WarningPHICaroline60 min
May 2, 10:22 PM EDTAreal Flood AdvisoryPHICaroline, Talbot4 hr
May 2, 10:45 PM EDTFlash Flood WarningPHICaroline, Queen Anne's, Talbot6 hr

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.