Alert archive / Maryland / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 178, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 29, 2019, 4:55 PM EDT for Caroline County, Queen Anne's County, Maryland; Kent County, Delaware. It was in force for 50 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 29, 2019, 4:55 PM EDT (20:55 UTC)
- Expired
- Jun 29, 2019, 5:45 PM EDT
- In force
- 50 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Kent County, DE, Caroline County, MD, Queen Anne's County, MD
The radar
The Dover AFB radar (KDOX), 60 km from the middle of the area, began a volume at 20:57 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 29, 2:04 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 8.9 hours before the alert went out and 126 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
- 927 J/kg
- Mixed-layer CIN
- -115 J/kg
- Mixed-layer LCL
- 1390 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- 2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
122
WUUS51 KPHI 292055
SVRPHI
DEC001-MDC011-035-292145-
/O.NEW.KPHI.SV.W.0178.190629T2055Z-190629T2145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
455 PM EDT Sat Jun 29 2019
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
West central Kent County in central Delaware...
Northeastern Queen Anne's County in northeastern Maryland...
Northeastern Caroline County in eastern Maryland...
* Until 545 PM EDT.
* At 455 PM EDT, a severe thunderstorm was located over Church Hill,
or 9 miles northeast of Centerville, 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...
Chestertown, Greensboro, Church Hill, Millington, Sudlersville,
Goldsboro, Starkey Corner, Crumpton, Henderson, Marydel,
Templeville, Barclay and Kingstown.
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.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3914 7607 3915 7609 3917 7604 3918 7607
3921 7606 3924 7601 3924 7594 3926 7587
3924 7580 3925 7573 3892 7573 3912 7611
TIME...MOT...LOC 2055Z 293DEG 21KT 3916 7598
HAIL...1.00IN
WIND...60MPH
$$
Staarmann1 follow-up statement
478
WWUS51 KPHI 292113
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
513 PM EDT Sat Jun 29 2019
DEC001-MDC011-035-292145-
/O.CON.KPHI.SV.W.0178.000000T0000Z-190629T2145Z/
Kent DE-Queen Anne's MD-Caroline MD-
513 PM EDT Sat Jun 29 2019
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR WEST CENTRAL KENT...NORTHEASTERN QUEEN ANNE'S AND NORTHEASTERN
CAROLINE COUNTIES...
At 513 PM EDT, a severe thunderstorm was located near Hope, or 8
miles east of Centerville, moving southeast at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to roofs,
siding, trees, and power lines is possible.
Locations impacted include...
Greensboro, Goldsboro, Henderson, Marydel, Templeville and Barclay.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3906 7600 3917 7591 3920 7573 3892 7573
TIME...MOT...LOC 2113Z 304DEG 21KT 3906 7590
HAIL...1.00IN
WIND...60MPH
$$
StaarmannThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 1:19 PM EDT | Special Weather Statement | PHI | Cecil | 26 min |
| Jun 29, 1:26 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent | 49 min |
| Jun 29, 2:08 PM EDT | Areal Flood Advisory | PHI | Cecil | 3 hr |
| Jun 29, 2:12 PM EDT | Special Weather Statement | PHI | Cecil | 33 min |
| Jun 29, 2:44 PM EDT | Special Weather Statement | PHI | Cecil | 31 min |
| Jun 29, 2:47 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 28 min |
| Jun 29, 3:27 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 53 min |
| Jun 29, 3:39 PM EDT | Special Weather Statement | PHI | Cecil | 51 min |
| Jun 29, 3:59 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent | 46 min |
| Jun 29, 4:14 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's | 46 min |
| Jun 29, 4:38 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent | 52 min |
| Jun 29, 4:58 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's, Talbot | 47 min |
| Jun 29, 5:26 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 79 min |
| Jun 29, 5:38 PM EDT | Areal Flood Advisory | PHI | Caroline, Queen Anne's | 109 min |
| Jun 29, 2:33 PM EDT | Special Weather Statement | PHI | Kent | 27 min |
| Jun 29, 2:57 PM EDT | Special Weather Statement | PHI | Kent | 33 min |
| Jun 29, 3:06 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 39 min |
| Jun 29, 3:13 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 8 min |
| Jun 29, 3:24 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 36 min |
| Jun 29, 4:00 PM EDT | Flash Flood Warning | PHI | New Castle | 3 hr |
| Jun 29, 4:24 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 36 min |
| Jun 29, 4:52 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 38 min |
| Jun 29, 6:38 PM EDT | Special Weather Statement | PHI | Sussex | 52 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.