Alert archive / Maryland / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 64, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 21, 2016, 3:36 PM EDT for Caroline County, Talbot County, Maryland; Kent County, Sussex County, Delaware; Cape May County, Cumberland County, New Jersey. It was in force for 54 min. 15 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
- Jun 21, 2016, 3:36 PM EDT (19:36 UTC)
- Expired
- Jun 21, 2016, 4:30 PM EDT
- In force
- 54 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 70.0 mph
Counties Kent County, DE, Sussex County, DE, Caroline County, MD, Talbot County, MD, Cape May County, NJ, Cumberland County, NJ
The radar
The Dover AFB radar (KDOX), 14 km from the middle of the area, began a volume at 19:37 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, 3:36 PM EDT | MARINE TSTM WIND 65 | 19 Sse Port Norris, NJ | |
| Jun 21, 3:36 PM EDT | NON-TSTM WND GST 65 | 19 Sse Port Norris, NJ | |
| Jun 21, 3:40 PM EDT | TSTM WND DMG | Green Creek, NJ | MULTIPLE TREES DOWN IN GREEN CREEK AND IN SHADY LANE |
| Jun 21, 3:40 PM EDT | TSTM WND DMG | Villas, NJ | HOUSE WITH WINDOWS BLOWN OUT. AND LARGE BRANCHES DOWN |
| Jun 21, 3:40 PM EDT | TSTM WND GST 48 | West Cape May, NJ | |
| Jun 21, 3:40 PM EDT | MARINE TSTM WIND 48 | Lewes, DE | |
| Jun 21, 3:42 PM EDT | MARINE TSTM WIND 45 | Lewes Nos Buoy, DE | |
| Jun 21, 3:45 PM EDT | TSTM WND DMG | Green Creek, NJ | LARGE BRANCHES DOWN |
| Jun 21, 3:45 PM EDT | TSTM WND DMG | Villas, NJ | TWO POWER POLES SNAPPED IN HALF ON THE EAST DELAWARE PARKWAY...AND ROOF DAMAGE TO A HOUSE NEAR PACIFIC AVE |
| Jun 21, 3:45 PM EDT | TSTM WND GST 61 | Cape May Point, NJ | |
| Jun 21, 3:50 PM EDT | TSTM WND DMG | Whitesboro, NJ | TREE FELL ON A HOUSE IN WHITESBORO |
| Jun 21, 4:00 PM EDT | TSTM WND DMG | Georgetown, DE | TREES AND POWER LINES DOWN |
| Jun 21, 4:07 PM EDT | TSTM WND DMG | Lower Twp, NJ | POWER OUTAGE AND NUMEROUS TREES DOWN...POWER OUT IS MIDDLE TWP AS WELL... |
| Jun 21, 4:08 PM EDT | TSTM WND DMG | Rio Grande, NJ | SOUTHBOUND ROUTE 9 AT ROUTE 47 TREE DOWN IMPACTING TRAFFIC |
| Jun 21, 4:10 PM EDT | MARINE TSTM WIND 51 | Dewey Beach, DE |
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, 7.6 hours before the alert went out and 90 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.
557
WUUS51 KPHI 211936
SVRPHI
DEC001-005-MDC011-041-NJC009-011-212030-
/O.NEW.KPHI.SV.W.0064.160621T1936Z-160621T2030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
336 PM EDT TUE JUN 21 2016
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
KENT COUNTY IN CENTRAL DELAWARE...
SUSSEX COUNTY IN SOUTHERN DELAWARE...
SOUTHEASTERN TALBOT COUNTY IN EASTERN MARYLAND...
SOUTHEASTERN CAROLINE COUNTY IN EASTERN MARYLAND...
CAPE MAY COUNTY IN SOUTHERN NEW JERSEY...
SOUTH CENTRAL CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 430 PM EDT
* AT 334 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM HAZLETTVILLE TO NEAR HARRINGTON TO HURLOCK...MOVING
EAST AT 50 MPH.
ANOTHER SEVERE THUNDERSTORM IS MOVING INTO SOUTHERN NEW JERSEY AS
WELL IN ADDITION TO THE STORM IN SOUTHERN DELAWARE.
HAZARD...70 MPH WIND GUSTS AND QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT CONSIDERABLE
TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO MOBILE HOMES...
ROOFS...AND OUTBUILDINGS.
* LOCATIONS IMPACTED INCLUDE...
DOVER...GEORGETOWN...CAPE MAY...MILFORD...SEAFORD...
NORTH WILDWOOD...MILLSBORO...LAUREL...HARRINGTON...CAMDEN...
WILDWOOD CREST...LEWES...FEDERALSBURG...MILTON...WOODBINE...
SELBYVILLE...SEA ISLE CITY...BRIDGEVILLE...DELMAR AND CHESWOLD.
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.
&&
LAT...LON 3846 7569 3864 7571 3871 7584 3858 7603
3890 7575 3927 7572 3925 7537 3898 7532
3916 7517 3924 7528 3924 7527 3920 7466
3891 7486 3893 7500 3915 7492 3919 7508
3899 7531 3881 7514 3881 7506 3845 7505
TIME...MOT...LOC 1934Z 286DEG 43KT 3914 7565 3886 7555 3864 7584
HAIL...1.00IN
WIND...70MPH
$$
ROBERTSON1 follow-up statement
527
WWUS51 KPHI 212000
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
400 PM EDT TUE JUN 21 2016
MDC041-NJC011-212010-
/O.CAN.KPHI.SV.W.0064.000000T0000Z-160621T2030Z/
TALBOT MD-CUMBERLAND NJ-
400 PM EDT TUE JUN 21 2016
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN TALBOT AND SOUTH
CENTRAL CUMBERLAND COUNTIES IS CANCELLED...
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT FOR
SOUTHERN AND CENTRAL DELAWARE...EASTERN MARYLAND...AND SOUTHERN NEW
JERSEY.
LAT...LON 3846 7569 3865 7571 3871 7584 3868 7594
3892 7575 3916 7514 3907 7536 3903 7536
3881 7514 3881 7508 3913 7492 3918 7504
3917 7492 3922 7487 3920 7466 3891 7486
3892 7499 3882 7507 3845 7505
TIME...MOT...LOC 2000Z 284DEG 50KT 3905 7519 3877 7509 3855 7538
$$
DEC001-005-MDC011-NJC009-212030-
/O.CON.KPHI.SV.W.0064.000000T0000Z-160621T2030Z/
KENT DE-SUSSEX DE-CAROLINE MD-CAPE MAY NJ-
400 PM EDT TUE JUN 21 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR SOUTHERN KENT...SUSSEX...SOUTHEASTERN CAROLINE AND SOUTHWESTERN
CAPE MAY COUNTIES...
AT 400 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 8 MILES NORTHEAST OF BIG STONE BEACH TO NEAR CAPE
HENLOPEN STATE PARK TO NEAR GUMBORO...MOVING EAST AT 60 MPH.
HAZARD...70 MPH WIND GUSTS AND QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT CONSIDERABLE
TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO MOBILE HOMES...
ROOFS...AND OUTBUILDINGS.
LOCATIONS IMPACTED INCLUDE...
GEORGETOWN...CAPE MAY...MILFORD...SEAFORD...NORTH WILDWOOD...
MILLSBORO...LAUREL...HARRINGTON...WILDWOOD CREST...LEWES...
FEDERALSBURG...MILTON...WOODBINE...SELBYVILLE...SEA ISLE CITY...
BRIDGEVILLE...DELMAR...AVALON...WEST CAPE MAY AND STONE HARBOR.
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.
&&
LAT...LON 3846 7569 3865 7571 3871 7584 3868 7594
3892 7575 3916 7514 3907 7536 3903 7536
3881 7514 3881 7508 3913 7492 3918 7504
3917 7492 3922 7487 3920 7466 3891 7486
3892 7499 3882 7507 3845 7505
TIME...MOT...LOC 2000Z 284DEG 50KT 3905 7519 3877 7509 3855 7538
HAIL...1.00IN
WIND...70MPH
$$
ROBERTSONThe 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 | Caroline | 83 min |
| Jun 21, 1:52 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent, Queen Anne's | 53 min |
| Jun 21, 2:08 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's, Talbot | 67 min |
| Jun 21, 2:17 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's | 58 min |
| Jun 21, 2:32 PM EDT | Tornado Warning | PHI | Kent, Queen Anne's, Talbot | 28 min |
| Jun 21, 2:51 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's | 54 min |
| Jun 21, 2:55 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's, Talbot | 65 min |
| Jun 21, 3:52 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's, Talbot | 53 min |
| Jun 21, 6:36 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 54 min |
| Jun 21, 7:20 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's | 40 min |
| Jun 21, 4:28 PM EDT | Special Weather Statement | PHI | Sussex | 62 min |
| Jun 21, 3:58 AM EDT | Special Weather Statement | PHI | Warren | 47 min |
| Jun 21, 4:57 AM EDT | Special Weather Statement | PHI | Hunterdon | 63 min |
| Jun 21, 6:16 AM EDT | Special Weather Statement | PHI | Burlington, Mercer, Middlesex, Monmouth, Ocean | 59 min |
| Jun 21, 6:18 AM EDT | Severe Thunderstorm Warning | PHI | Mercer, Middlesex, Monmouth, Ocean | 46 min |
| Jun 21, 6:48 AM EDT | Small Craft Advisory | PHI | 9 hr | |
| Jun 21, 2:20 PM EDT | Special Marine Warning | PHI | 55 min | |
| Jun 21, 2:55 PM EDT | Severe Thunderstorm Warning | PHI | Ocean | 35 min |
| Jun 21, 2:58 PM EDT | Special Marine Warning | PHI | 62 min | |
| Jun 21, 3:05 PM EDT | Special Marine Warning | PHI | 85 min | |
| Jun 21, 3:40 PM EDT | Tornado Warning | PHI | Cape May | 24 min |
| Jun 21, 3:46 PM EDT | Special Marine Warning | PHI | 89 min | |
| Jun 21, 3:52 PM EDT | Special Marine Warning | PHI | 83 min | |
| Jun 21, 3:56 PM EDT | Small Craft Advisory for Hazardous Seas | PHI | 17 hr | |
| Jun 21, 4:06 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 39 min |
| Jun 21, 4:11 PM EDT | Special Marine Warning | PHI | 64 min | |
| Jun 21, 4:18 PM EDT | Special Marine Warning | PHI | 87 min | |
| Jun 21, 4:39 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 30 min |
| Jun 21, 5:29 PM EDT | Special Weather Statement | PHI | Monmouth | 46 min |
| Jun 21, 7:09 PM EDT | Special Weather Statement | PHI | Mercer | 51 min |
| Jun 21, 7:20 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer | 40 min |
| Jun 21, 7:27 PM EDT | Special Marine Warning | PHI | 48 min | |
| Jun 21, 7:37 PM EDT | Areal Flood Advisory | PHI | Mercer, Middlesex, Monmouth | 4 hr |
| Jun 21, 7:51 PM EDT | Severe Thunderstorm Warning | PHI | Cape May | 39 min |
| Jun 21, 7:57 PM EDT | Special Marine Warning | PHI | 63 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 2016Severe Thunderstorm Warnings in Delaware, 2016Severe Thunderstorm Warnings in New Jersey, 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.