Alert archive / Maryland / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 163, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 30, 2016, 9:07 PM EDT for 4 counties in Maryland. It was in force for 38 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 30, 2016, 9:07 PM EDT (01:07 UTC)
- Expired
- Jul 30, 2016, 9:45 PM EDT
- In force
- 38 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Cecil County, MD, Kent County, MD, Queen Anne's County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 71 km from the middle of the area, began a volume at 01:09 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, 1.1 hours before the alert went out and 144 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.
- Mixed-layer CAPE
- 83 J/kg
- Mixed-layer CIN
- -153 J/kg
- Mixed-layer LCL
- 1003 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 62 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted.
865
WUUS51 KPHI 310107
SVRPHI
MDC015-029-035-041-310145-
/O.NEW.KPHI.SV.W.0163.160731T0107Z-160731T0145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
907 PM EDT SAT JUL 30 2016
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
KENT COUNTY IN NORTHEASTERN MARYLAND...
SOUTH CENTRAL CECIL COUNTY IN NORTHEASTERN MARYLAND...
QUEEN ANNE'S COUNTY IN NORTHEASTERN MARYLAND...
NORTHERN TALBOT COUNTY IN EASTERN MARYLAND...
* UNTIL 945 PM EDT
* AT 907 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM DUNDALK TO SILLERY BAY TO NEAR PAROLE...MOVING EAST
AT 30 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES.
* LOCATIONS IMPACTED INCLUDE...
CENTERVILLE...CHESTERTOWN...CENTREVILLE...ROCK HALL...
CHURCH HILL...BETTERTON...OLD TOWN...KENNEDYVILLE...STEVENSVILLE...
WYE MILLS...CHESTER...NEWTOWN...CARVILLE...OVERTON...LANGFORD...
HOPE...STARKEY CORNER...GRASONVILLE...MORGNEC AND QUEENSTOWN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
A BUILDING.
IN ADDITION TO DAMAGING WINDS...OCCASIONAL 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.
&&
LAT...LON 3904 7631 3898 7628 3897 7622 3900 7617
3903 7624 3909 7623 3917 7628 3929 7617
3932 7618 3937 7610 3939 7600 3913 7588
3890 7609 3887 7620 3896 7625 3892 7625
3894 7628 3891 7629 3896 7631 3888 7637
TIME...MOT...LOC 0107Z 261DEG 28KT 3927 7650 3908 7645 3897 7659
HAIL...<.75IN
WIND...60MPH
$$
ROBERTSON2 follow-up statements
112
WWUS51 KPHI 310128
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
928 PM EDT SAT JUL 30 2016
MDC015-029-035-041-310145-
/O.CON.KPHI.SV.W.0163.000000T0000Z-160731T0145Z/
KENT MD-CECIL MD-QUEEN ANNE'S MD-TALBOT MD-
928 PM EDT SAT JUL 30 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM EDT
FOR KENT...SOUTH CENTRAL CECIL...QUEEN ANNE'S AND NORTHERN TALBOT
COUNTIES...
AT 928 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR BOWLEYS QUARTERS TO NEAR ROCK HALL TO RHODE
RIVER...MOVING EAST AT 30 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES.
LOCATIONS IMPACTED INCLUDE...
CENTERVILLE...CHESTERTOWN...CENTREVILLE...ROCK HALL...CHURCH HILL...
BETTERTON...OLD TOWN...KENNEDYVILLE...STEVENSVILLE...WYE MILLS...
CHESTER...NEWTOWN...CARVILLE...OVERTON...LANGFORD...HOPE...
STARKEY CORNER...GRASONVILLE...MORGNEC AND QUEENSTOWN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3904 7631 3898 7628 3897 7622 3900 7617
3903 7624 3909 7623 3917 7628 3929 7617
3932 7618 3937 7610 3939 7600 3913 7588
3890 7609 3887 7620 3896 7625 3892 7625
3894 7628 3891 7629 3896 7631 3888 7637
TIME...MOT...LOC 0128Z 258DEG 25KT 3930 7635 3911 7630 3888 7654
HAIL...<.75IN
WIND...60MPH
$$
ROBERTSON685
WWUS51 KPHI 310136
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
936 PM EDT SAT JUL 30 2016
MDC015-029-035-041-310145-
/O.EXP.KPHI.SV.W.0163.000000T0000Z-160731T0145Z/
KENT MD-CECIL MD-QUEEN ANNE'S MD-TALBOT MD-
936 PM EDT SAT JUL 30 2016
...THE SEVERE THUNDERSTORM WARNING FOR KENT...SOUTH CENTRAL CECIL...
QUEEN ANNE'S AND NORTHERN TALBOT COUNTIES WILL EXPIRE AT 945 PM
EDT...
THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE. HOWEVER GUSTY WINDS
AND HEAVY RAIN ARE STILL POSSIBLE WITH THESE THUNDERSTORMS.
LAT...LON 3904 7631 3898 7628 3897 7622 3900 7617
3903 7624 3909 7623 3917 7628 3929 7617
3932 7618 3937 7610 3939 7600 3913 7588
3890 7609 3887 7620 3896 7625 3892 7625
3894 7628 3891 7629 3896 7631 3888 7637
TIME...MOT...LOC 0134Z 261DEG 28KT 3930 7635 3911 7630 3888 7654
$$
ROBERTSONThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 9:46 PM EDT | Special Weather Statement | PHI | Kent, Queen Anne's, Talbot | 44 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.