Alert archive / Maryland / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 60, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 21, 2016, 2:17 PM EDT for Caroline County, Kent County, Queen Anne's County, Maryland; Kent County, New Castle County, Delaware; Cumberland County, New Jersey. It was in force for 58 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
- Jun 21, 2016, 2:17 PM EDT (18:17 UTC)
- Expired
- Jun 21, 2016, 3:15 PM EDT
- In force
- 58 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 60.0 mph
Counties Kent County, DE, New Castle County, DE, Caroline County, MD, Kent County, MD, Queen Anne's County, MD, Cumberland County, NJ
The radar
The Dover AFB radar (KDOX), 57 km from the middle of the area, began a volume at 18:20 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 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, 6.3 hours before the alert went out and 56 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.
160
WUUS51 KPHI 211817
SVRPHI
DEC001-003-MDC011-029-035-NJC011-211915-
/O.NEW.KPHI.SV.W.0060.160621T1817Z-160621T1915Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
217 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...
KENT COUNTY IN CENTRAL DELAWARE...
NORTHEASTERN QUEEN ANNE'S COUNTY IN NORTHEASTERN MARYLAND...
NORTHEASTERN CAROLINE COUNTY IN EASTERN MARYLAND...
NORTHEASTERN KENT COUNTY IN NORTHEASTERN MARYLAND...
SOUTHWESTERN CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 315 PM EDT
* AT 215 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR HOPE CREEK TO NEAR MASSEY TO CHESTERTOWN...
MOVING EAST AT 35 MPH.
HAZARD...UP TO PING PONG BALL SIZE HAIL AND 60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED AND LAW ENFORCEMENT REPORTED LARGE HAIL.
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.
* SEVERE THUNDERSTORMS WILL BE NEAR...
MIDDLETOWN AROUND 220 PM EDT.
DELANEY CORNER AROUND 230 PM EDT.
GREEN SPRING AND WOODLAND BEACH AROUND 235 PM EDT.
SMYRNA AND CLAYTON AROUND 240 PM EDT.
CHESWOLD AND GREENWICH AROUND 245 PM EDT.
DOVER AND HARTLY AROUND 250 PM EDT.
HAZLETTVILLE...FAIRTON...DOVER SPEEDWAY AND SANDTOWN AROUND 255 PM
EDT.
MILLVILLE AND CEDARVILLE AROUND 300 PM EDT.
OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
LITTLE
CREEK...MAGNOLIA...TOWNSEND...KENTON...HENDERSON...CHAMBERSVILLE...
WYOMING... KINGSTOWN...MARYDEL AND LEIPSIC.
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 3948 7562 3945 7548 3943 7545 3943 7546
3939 7543 3940 7541 3942 7542 3943 7541
3934 7502 3920 7521 3939 7549 3927 7537
3910 7537 3895 7570 3917 7611
TIME...MOT...LOC 1815Z 286DEG 29KT 3945 7562 3931 7588 3922 7604
HAIL...1.50IN
WIND...60MPH
$$
ROBERTSON1 follow-up statement
273
WWUS51 KPHI 211844
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
244 PM EDT TUE JUN 21 2016
DEC001-003-MDC011-029-035-NJC011-211915-
/O.CON.KPHI.SV.W.0060.000000T0000Z-160621T1915Z/
NEW CASTLE DE-KENT DE-QUEEN ANNE'S MD-CAROLINE MD-KENT MD-
CUMBERLAND NJ-
244 PM EDT TUE JUN 21 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR SOUTHWESTERN NEW CASTLE...KENT...NORTHEASTERN QUEEN ANNE'S...
NORTHEASTERN CAROLINE...NORTHEASTERN KENT AND SOUTHWESTERN CUMBERLAND
COUNTIES...
AT 244 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM GREENWICH TO NEAR CHESWOLD TO NEAR HARTLY...MOVING
EAST AT 35 MPH.
HAZARD...PING PONG BALL SIZE HAIL AND 60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL
DAMAGE TO ROOFS...SIDING...WINDOWS...AND VEHICLES. EXPECT
WIND DAMAGE TO ROOFS...SIDING...AND TREES.
THESE SEVERE STORMS WILL BE NEAR...
DOVER AND GREENWICH AROUND 250 PM EDT.
FAIRTON AND WOODLAND BEACH AROUND 255 PM EDT.
MILLVILLE AND CEDARVILLE AROUND 300 PM EDT.
WOODSIDE...VIOLA...NEWPORT AND FORTESQUE AROUND 305 PM EDT.
RISING SUN...RISING SUN-LEBANON AND DOVER BASE HOUSING AROUND 310
PM EDT.
LAUREL LAKE AROUND 315 PM EDT.
OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
LITTLE
CREEK...MAGNOLIA...TOWNSEND...KENTON...HENDERSON...CHAMBERSVILLE...WY
OMING... KINGSTOWN...MARYDEL AND LEIPSIC.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3948 7562 3945 7548 3943 7545 3943 7546
3939 7543 3940 7541 3942 7542 3943 7541
3934 7502 3920 7521 3939 7549 3927 7537
3910 7537 3895 7570 3917 7611
TIME...MOT...LOC 1844Z 286DEG 29KT 3939 7534 3925 7560 3916 7576
HAIL...1.50IN
WIND...60MPH
$$
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 | 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, 2:32 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, 3:36 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Talbot | 54 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.