Alert archive / Maryland / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 88, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 14, 2021, 10:23 PM EDT for Kent County, Queen Anne's County, Maryland. It was in force for 67 min. 3 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 14, 2021, 10:23 PM EDT (02:23 UTC)
- Expired
- Jun 14, 2021, 11:30 PM EDT
- In force
- 67 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 60.0 mph
Counties Kent County, MD, Queen Anne's County, MD
The radar
The Dover AFB radar (KDOX), 74 km from the middle of the area, began a volume at 02:26 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 14, 10:49 PM EDT | TSTM WND DMG | 1 W Rock Hall, MD | DOWNED LIMBS ON STATE HIGHWAY 20 AT ROCK HALL AVENUE. TIME ESTIMATED FROM RADAR. |
| Jun 14, 11:13 PM EDT | TSTM WND DMG | 1 Ssw Worton, MD | SEVERAL REPORTS OF POWER LINES DOWN AND WIDESPREAD POWER OUTAGES IN THE WORTON AREA. TIME ESTIMATED FROM RADAR. |
| Jun 14, 11:13 PM EDT | TSTM WND DMG | 1 W Old Town, MD | DOWNED TREE LIMBS ON STATE HIGHWAY 289 NEAR JOHNSONTOWN ROAD. 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 14, 7:29 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 2.4 hours before the alert went out and 108 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
- 763 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 1915 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 130 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.4
The text
As transmitted.
697
WUUS51 KPHI 150223
SVRPHI
MDC029-035-150330-
/O.NEW.KPHI.SV.W.0088.210615T0223Z-210615T0330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
1023 PM EDT Mon Jun 14 2021
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Central Queen Anne's County in northeastern Maryland...
Western Kent County in northeastern Maryland...
* Until 1130 PM EDT.
* At 1023 PM EDT, a severe thunderstorm was located over Millers
Island, moving east at 20 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. Wind
damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Chestertown, Rock Hall, Newtown, Overton, Morgnec, Old Town,
Kennedyville, Langford and Kingstown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows!
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3926 7622 3928 7620 3929 7617 3931 7617
3932 7595 3898 7611 3900 7617 3901 7619
3902 7624 3909 7623 3913 7625 3915 7628
TIME...MOT...LOC 0223Z 281DEG 19KT 3923 7640
HAIL...1.50IN
WIND...60MPH
$$
Staarmann2 follow-up statements
006
WWUS51 KPHI 150255
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
1055 PM EDT Mon Jun 14 2021
MDC029-035-150330-
/O.CON.KPHI.SV.W.0088.000000T0000Z-210615T0330Z/
Queen Anne's MD-Kent MD-
1055 PM EDT Mon Jun 14 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM EDT
FOR CENTRAL QUEEN ANNE'S AND WESTERN KENT COUNTIES...
At 1055 PM EDT, a severe thunderstorm was located over Rock Hall, or
10 miles southeast of Millers Island, moving east at 20 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Wind damage
to roofs, siding, trees, and power lines is possible.
Locations impacted include...
Chestertown, Rock Hall, Newtown, Overton, Morgnec, Old Town,
Kennedyville, Langford and Kingstown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3926 7622 3928 7620 3929 7617 3931 7617
3932 7595 3898 7611 3900 7617 3901 7619
3902 7624 3909 7623 3913 7625 3915 7628
TIME...MOT...LOC 0255Z 286DEG 17KT 3917 7624
HAIL...1.50IN
WIND...60MPH
$$
Staarmann021
WWUS51 KPHI 150315
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
1115 PM EDT Mon Jun 14 2021
MDC029-035-150330-
/O.CON.KPHI.SV.W.0088.000000T0000Z-210615T0330Z/
Queen Anne's MD-Kent MD-
1115 PM EDT Mon Jun 14 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM EDT
FOR CENTRAL QUEEN ANNE'S AND WESTERN KENT COUNTIES...
At 1115 PM EDT, a severe thunderstorm was located over Old Town, or
near Centerville, moving east at 20 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. Wind damage
to roofs, siding, trees, and power lines is possible.
Locations impacted include...
Chestertown, Overton, Morgnec, Old Town, Kennedyville, Langford and
Kingstown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.
Frequent 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 3909 7623 3914 7621 3923 7614 3931 7613
3932 7595 3898 7611 3903 7624
TIME...MOT...LOC 0315Z 286DEG 18KT 3913 7611
HAIL...1.50IN
WIND...60MPH
$$
StaarmannThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 10:55 PM EDT | Areal Flood Advisory | PHI | Kent, Queen Anne's | 2 hr |
| Jun 14, 11:03 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 57 min |
| Jun 14, 11:12 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's | 63 min |
| Jun 14, 11:39 PM EDT | Areal Flood Advisory | PHI | Caroline, Kent, Queen Anne's | 85 min |
| Jun 14, 11:42 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 63 min |
| Jun 14, 11:51 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 54 min |
| Jun 14, 11:54 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's, Talbot | 66 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 2021Every severe thunderstorm warning in 2021
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.