Alert archive / Maryland / Tornado Warnings in 2020
Tornado Warning 15, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this tornado warning at Aug 4, 2020, 8:13 AM EDT for Kent County, Queen Anne's County, Talbot County, Maryland. It was in force for 26 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
- Aug 4, 2020, 8:13 AM EDT (12:13 UTC)
- Expired
- Aug 4, 2020, 8:39 AM EDT
- In force
- 26 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
Counties Kent County, MD, Queen Anne's County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 66 km from the middle of the area, began a volume at 12:15 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 |
|---|---|---|---|
| Aug 4, 8:18 AM EDT | TORNADO | 4 W Wye Mills, MD | AN EF0 TORNADO WITH WINDS TO 70 MPH BRIEFLY TOUCHED DOWN ALONG STAGWELL ROAD IN QUEENSTOWN. A NARROW DAMAGE PATH WAS CLEARLY EVIDENT IN A CORN FIELD WITH A CIRCULAR PATTERN PARALLEL TO THE ROAD. THERE WAS ALSO SPORADIC TREE DAMAGE ALONG THE ROAD ACROSS FROM TH |
| Aug 4, 8:21 AM EDT | TORNADO | Queenstown, MD | MULTIPLE EYE WITNESS REPORTS OF A TORNADO IN QUEENSTOWN. A VEHICLE WAS OVERTURNED. TIME ESTIMATED FROM RADAR. |
| Aug 4, 8:21 AM EDT | TORNADO | Queenstown, MD | MULTIPLE EYE WITNESS REPORTS OF A TORNADO IN QUEENSTOWN. A VEHICLE WAS OVERTURNED. 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 |
|---|---|---|---|
| Aug 4, 2:26 AM EDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 12:00Z, 0.2 hours before the alert went out and 140 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
- 472 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 648 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 254 m²/s²
- 0-3 km storm-relative helicity
- 273 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 2.9
The text
As transmitted.
651
WFUS51 KPHI 041213
TORPHI
MDC029-035-041-041300-
/O.NEW.KPHI.TO.W.0015.200804T1213Z-200804T1300Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mount Holly NJ
813 AM EDT Tue Aug 4 2020
The National Weather Service in Mount Holly NJ has issued a
* Tornado Warning for...
North central Talbot County in eastern Maryland...
Central Queen Anne's County in northeastern Maryland...
Southwestern Kent County in northeastern Maryland...
* Until 900 AM EDT.
* At 813 AM EDT, a severe thunderstorm capable of producing a tornado
was located over Skipton, or 9 miles south of Centerville, moving
north at 30 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* Locations impacted include...
Centerville, Chestertown, Centreville, Church Hill, Starkey Corner,
Wye Mills, Old Town, Skipton, Langford, Queenstown and Kingstown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Protecting yourself from immediate threats to life and safety shall
take priority. Whenever possible, as long as it does not cause
greater harm, all COVID-19 protective action guidance should be
followed.
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3921 7622 3921 7597 3885 7607 3885 7616
3899 7618 3900 7617 3901 7619
TIME...MOT...LOC 1213Z 179DEG 24KT 3891 7610
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
SFJ3 follow-up statements
355
WWUS51 KPHI 041222
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
822 AM EDT Tue Aug 4 2020
MDC041-041231-
/O.CAN.KPHI.TO.W.0015.000000T0000Z-200804T1300Z/
Talbot MD-
822 AM EDT Tue Aug 4 2020
...THE TORNADO WARNING FOR NORTH CENTRAL TALBOT COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until noon EDT for northeastern
Maryland.
LAT...LON 3916 7621 3915 7606 3894 7611 3894 7617
3899 7618 3900 7617 3901 7619
TIME...MOT...LOC 1221Z 162DEG 28KT 3898 7616
$$
MDC029-035-041300-
/O.CON.KPHI.TO.W.0015.000000T0000Z-200804T1300Z/
Queen Anne's MD-Kent MD-
822 AM EDT Tue Aug 4 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 AM EDT FOR CENTRAL
QUEEN ANNE'S AND SOUTHWESTERN KENT COUNTIES...
At 821 AM EDT, a severe thunderstorm capable of producing a tornado
was located near Grasonville, or near Centerville, moving north at 30
mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Old Town and Queenstown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Protecting yourself from immediate threats to life and safety shall
take priority. Whenever possible, as long as it does not cause
greater harm, all COVID-19 protective action guidance should be
followed.
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3916 7621 3915 7606 3894 7611 3894 7617
3899 7618 3900 7617 3901 7619
TIME...MOT...LOC 1221Z 162DEG 28KT 3898 7616
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
SFJ335
WWUS51 KPHI 041232
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
832 AM EDT Tue Aug 4 2020
MDC029-035-041300-
/O.CON.KPHI.TO.W.0015.000000T0000Z-200804T1300Z/
Queen Anne's MD-Kent MD-
832 AM EDT Tue Aug 4 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 AM EDT FOR CENTRAL
QUEEN ANNE'S AND SOUTHWESTERN KENT COUNTIES...
At 832 AM EDT, a confirmed tornado was located over Overton, or near
Centerville, moving north at 30 mph.
HAZARD...Damaging tornado.
SOURCE...Emergency management confirmed tornado.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Old Town and Queenstown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Protecting yourself from immediate threats to life and safety shall
take priority. Whenever possible, as long as it does not cause
greater harm, all COVID-19 protective action guidance should be
followed.
To repeat, a tornado has been confirmed. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 3916 7621 3915 7606 3899 7610 3899 7618
3900 7617 3901 7619
TIME...MOT...LOC 1232Z 171DEG 25KT 3906 7619
TORNADO...OBSERVED
HAIL...0.00IN
$$
SFJ788
WWUS51 KPHI 041239
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
839 AM EDT Tue Aug 4 2020
MDC029-035-041249-
/O.CAN.KPHI.TO.W.0015.000000T0000Z-200804T1300Z/
Queen Anne's MD-Kent MD-
839 AM EDT Tue Aug 4 2020
...THE TORNADO WARNING FOR CENTRAL QUEEN ANNE'S AND SOUTHWESTERN KENT
COUNTIES IS CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until noon EDT for northeastern
Maryland.
LAT...LON 3916 7621 3915 7606 3899 7610 3899 7618
3900 7617 3901 7619
TIME...MOT...LOC 1237Z 179DEG 24KT 3911 7619
$$
SFJThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 1:33 AM EDT | Areal Flood Advisory | PHI | Caroline, Kent, Queen Anne's, Talbot | 4 hr |
| Aug 4, 2:10 AM EDT | Flash Flood Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 4 hr |
| Aug 4, 5:17 AM EDT | Areal Flood Advisory | PHI | Cecil, Kent | 4 hr |
| Aug 4, 6:55 AM EDT | Tornado Warning | PHI | Kent, Queen Anne's | 35 min |
| Aug 4, 7:22 AM EDT | Tornado Warning | PHI | Kent, Queen Anne's | 23 min |
| Aug 4, 7:50 AM EDT | Flash Flood Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 4 hr |
| Aug 4, 8:27 AM EDT | Tornado Warning | PHI | Caroline, Cecil, Kent, Queen Anne's | 33 min |
| Aug 4, 8:50 AM EDT | Flash Flood Warning | PHI | Caroline, Cecil, Kent, Queen Anne's | 4 hr |
| Aug 4, 8:56 AM EDT | Tornado Warning | PHI | Cecil | 34 min |
| Aug 4, 9:23 AM EDT | Flash Flood Warning | PHI | Cecil | 4 hr |
| Aug 4, 9:23 AM EDT | Tornado Warning | PHI | Cecil | 22 min |
| Aug 4, 1:59 PM EDT | Areal Flood Warning | PHI | Cecil | 9 hr |
Nearby
Tornado Warnings in Maryland, 2020Every tornado warning in 2020Tornadoes in 2020
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.