Alert archive / Maryland / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 58, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 21, 2016, 1:52 PM EDT for New Castle County, Delaware; Cecil County, Kent County, Queen Anne's County, Maryland. It was in force for 53 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
- Jun 21, 2016, 1:52 PM EDT (17:52 UTC)
- Expired
- Jun 21, 2016, 2:45 PM EDT
- In force
- 53 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties New Castle County, DE, Cecil County, MD, Kent County, MD, Queen Anne's County, MD
The radar
The Dover AFB radar (KDOX), 77 km from the middle of the area, began a volume at 17:56 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 21, 2:30 PM EDT | TSTM WND DMG | Still Pond, MD | MULTIPLE TREES DOWN ACROSS THE ROADWAY. TIME ESTIMATED FROM RADAR |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 21, 1:06 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 5.9 hours before the alert went out and 15 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
- 1292 J/kg
- Mixed-layer CIN
- -69 J/kg
- Mixed-layer LCL
- 1267 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 150 m²/s²
- 0-3 km storm-relative helicity
- 191 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.2
The text
As transmitted.
696
WUUS51 KPHI 211752
SVRPHI
DEC003-MDC015-029-035-211845-
/O.NEW.KPHI.SV.W.0058.160621T1752Z-160621T1845Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
152 PM EDT TUE JUN 21 2016
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHWESTERN NEW CASTLE COUNTY IN NORTHERN DELAWARE...
NORTHERN KENT COUNTY IN NORTHEASTERN MARYLAND...
CECIL COUNTY IN NORTHEASTERN MARYLAND...
NORTHEASTERN QUEEN ANNE'S COUNTY IN NORTHEASTERN MARYLAND...
* UNTIL 245 PM EDT
* AT 151 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR HOLLYWOOD BEACH TO NEAR BETTERTON TO 7 MILES
SOUTHEAST OF BOWLEYS QUARTERS...MOVING EAST AT 15 MPH.
HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE
TO ROOFS...SIDING...AND TREES.
* LOCATIONS IMPACTED INCLUDE...
MIDDLETOWN...ELKTON...CHESTERTOWN...NORTH EAST...DELAWARE CITY...
CHARLESTOWN...CHURCH HILL...CECILTON...MILLINGTON...BETTERTON...
OLD TOWN...CAYOTS...KENNEDYVILLE...BOHEMIAS MILLS...
DELANEY CORNER...PORT PENN...WARWICK...HOLLYWOOD BEACH...
MASSEY AND MORGNEC.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3926 7622 3929 7617 3932 7618 3934 7616
3933 7614 3937 7611 3937 7606 3942 7600
3946 7601 3952 7598 3954 7602 3960 7601
3956 7552 3930 7573 3929 7576 3925 7577
3912 7598 3916 7628
TIME...MOT...LOC 1751Z 284DEG 14KT 3952 7594 3935 7612 3925 7628
HAIL...1.00IN
WIND...60MPH
$$
ROBERTSON1 follow-up statement
148
WWUS51 KPHI 211821
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
221 PM EDT TUE JUN 21 2016
DEC003-MDC015-029-035-211845-
/O.CON.KPHI.SV.W.0058.000000T0000Z-160621T1845Z/
NEW CASTLE DE-KENT MD-CECIL MD-QUEEN ANNE'S MD-
221 PM EDT TUE JUN 21 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT
FOR SOUTHWESTERN NEW CASTLE...NORTHERN KENT...SOUTHEASTERN CECIL AND
NORTHEASTERN QUEEN ANNE'S COUNTIES...
AT 220 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR BOHEMIAS MILLS TO KENNEDYVILLE TO NEAR
LANGFORD... MOVING EAST AT 15 MPH.
HAZARD...PING PONG BALL SIZE HAIL AND 60 MPH WIND GUSTS.
SOURCE...LAW ENFORCEMENT.
IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL
DAMAGE TO ROOFS...SIDING...WINDOWS...AND VEHICLES. EXPECT
WIND DAMAGE TO ROOFS...SIDING...AND TREES.
LOCATIONS IMPACTED INCLUDE...
MIDDLETOWN...CHESTERTOWN...CHURCH HILL...CECILTON...MILLINGTON...
BETTERTON...OLD TOWN...SASSAFRAS...MOUNT PLEASANT...KENNEDYVILLE...
BOHEMIAS MILLS...NEWTOWN...DELANEY CORNER...CRUMPTON...PORT PENN...
LANGFORD...WARWICK...MASSEY...MORGNEC AND TOWNSEND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.
&&
LAT...LON 3926 7622 3929 7617 3932 7618 3934 7616
3933 7614 3937 7611 3937 7606 3945 7596
3956 7552 3930 7573 3929 7576 3925 7577
3912 7598 3916 7628
TIME...MOT...LOC 1820Z 284DEG 14KT 3949 7580 3932 7598 3922 7614
HAIL...1.50IN
WIND...60MPH
$$
LR/LFThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 3:37 AM EDT | Special Weather Statement | PHI | Kent, Sussex | 83 min |
| Jun 21, 2:17 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 58 min |
| Jun 21, 2:51 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 54 min |
| Jun 21, 2:55 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 65 min |
| Jun 21, 3:36 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 54 min |
| Jun 21, 3:52 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 53 min |
| Jun 21, 4:28 PM EDT | Special Weather Statement | PHI | Sussex | 62 min |
| Jun 21, 6:36 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle, Sussex | 54 min |
| Jun 21, 7:20 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 40 min |
| Jun 21, 2:08 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's, Talbot | 67 min |
| Jun 21, 2:32 PM EDT | Tornado Warning | PHI | Kent, Queen Anne's, Talbot | 28 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 2016Severe Thunderstorm Warnings in Delaware, 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.