Alert archive / Maryland / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 59, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 28, 2019, 5:14 PM EDT for Cecil County, Maryland; New Castle County, Delaware. It was in force for 46 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
- May 28, 2019, 5:14 PM EDT (21:14 UTC)
- Expired
- May 28, 2019, 6:00 PM EDT
- In force
- 46 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
The radar
The Dover AFB radar (KDOX), 89 km from the middle of the area, began a volume at 21:17 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 |
|---|---|---|---|
| May 28, 1:48 PM EDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 9.2 hours before the alert went out and 168 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
- 35 J/kg
- Mixed-layer CIN
- -149 J/kg
- Mixed-layer LCL
- 1167 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 293 m²/s²
- 0-3 km storm-relative helicity
- 414 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
100
WUUS51 KPHI 282114
SVRPHI
DEC003-MDC015-282200-
/O.NEW.KPHI.SV.W.0059.190528T2114Z-190528T2200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
514 PM EDT Tue May 28 2019
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northwestern New Castle County in northern Delaware...
Northeastern Cecil County in northeastern Maryland...
* Until 600 PM EDT.
* At 513 PM EDT, a severe thunderstorm was located over Bay View, or
7 miles northeast of Havre De Grace, moving east at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to
roofs, siding, trees, and power lines is possible.
* Locations impacted include...
Wilmington, Newark, Elkton, Elsmere, New Castle, North East,
Delaware City, Charlestown, Newport, Barksdale, Stanton, Glasgow,
Bear, Port Penn, Brantwood, Wilmington Manor, Bay View, Saint
Georges, Mount Pleasant and Woodlawn.
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 3976 7555 3967 7556 3964 7560 3963 7556
3961 7556 3960 7561 3959 7556 3958 7556
3959 7557 3952 7557 3947 7560 3955 7604
3964 7610
TIME...MOT...LOC 2113Z 279DEG 21KT 3961 7600
HAIL...1.00IN
WIND...60MPH
$$
Gorse1 follow-up statement
489
WWUS51 KPHI 282133
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
533 PM EDT Tue May 28 2019
DEC003-MDC015-282200-
/O.CON.KPHI.SV.W.0059.000000T0000Z-190528T2200Z/
New Castle DE-Cecil MD-
533 PM EDT Tue May 28 2019
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR WEST CENTRAL NEW CASTLE AND EAST CENTRAL CECIL COUNTIES...
At 532 PM EDT, a severe thunderstorm was located near Hollywood
Beach, or near Elkton, moving southeast at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to roofs,
siding, trees, and power lines is possible.
Locations impacted include...
Elkton, North East, Delaware City, Saint Georges, Port Penn,
Brantwood, Mount Pleasant, Glasgow, Bear and Chesapeake City.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3960 7561 3959 7556 3958 7556 3959 7557
3952 7557 3947 7560 3953 7595 3962 7594
TIME...MOT...LOC 2132Z 295DEG 20KT 3955 7588
HAIL...1.00IN
WIND...60MPH
$$
IovinoThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 7:50 AM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 40 min |
| May 28, 8:28 AM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's, Talbot | 47 min |
| May 28, 5:09 PM EDT | Special Weather Statement | PHI | Cecil | 51 min |
| May 28, 6:11 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 64 min |
| May 28, 6:14 PM EDT | Areal Flood Advisory | PHI | Cecil | 4 hr |
| May 28, 9:13 AM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 47 min |
| May 28, 6:04 PM EDT | Special Weather Statement | PHI | New Castle | 41 min |
| May 28, 6:24 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 48 min |
| May 28, 6:52 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 38 min |
| May 28, 7:00 PM EDT | Areal Flood Advisory | PHI | New Castle | 3 hr |
| May 28, 7:20 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 40 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 2019Severe Thunderstorm Warnings in Delaware, 2019Every severe thunderstorm warning in 2019
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.