Alert archive / Maryland / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 280, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 27, 2021, 7:10 PM EDT for Kent County, Queen Anne's County, Talbot County, Maryland. It was in force for 65 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 27, 2021, 7:10 PM EDT (23:10 UTC)
- Expired
- Aug 27, 2021, 8:15 PM EDT
- In force
- 65 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Kent County, MD, Queen Anne's County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 68 km from the middle of the area, began a volume at 23:11 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 27, 7:23 PM EDT | TSTM WND DMG | Stevensville, MD | TREE FEEL INTO A RESIDENCE ON CLOVERFIELDS DR. NO INJURIES. |
| Aug 27, 7:23 PM EDT | TSTM WND DMG | Stevensville, MD | TREE FEEL INTO A RESIDENCE ON CLOVERFIELDS DR. NO INJURIES. |
| Aug 27, 7:31 PM EDT | TSTM WND DMG | 1 Ssw Saint Michaels, MD | DOWNED TREE LIMBS AND WIRES NEAR GRACE STREET. TIME ESTIMATED FROM RADAR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 11.2 hours before the alert went out and 102 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
- 780 J/kg
- Mixed-layer CIN
- -92 J/kg
- Mixed-layer LCL
- 983 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 41 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
754
WUUS51 KPHI 272310
SVRPHI
MDC029-035-041-280015-
/O.NEW.KPHI.SV.W.0280.210827T2310Z-210828T0015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
710 PM EDT Fri Aug 27 2021
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Talbot County in eastern Maryland...
Southwestern Queen Anne's County in northeastern Maryland...
Southwestern Kent County in northeastern Maryland...
* Until 815 PM EDT.
* At 710 PM EDT, severe thunderstorms were located along a line
extending from near Magothy River to near Romancoke to Town Creek,
moving east at 15 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Easton, Centerville, Talbot, Centreville, Trappe, St. Michaels,
Queen Anne, Grasonville, Starr, Stevensville, Skipton, Copperville,
Chester, Matthews, Wye Mills, Hambleton, Cordova, Carville,
Tilghman Island and Queenstown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
In addition to hail and damaging winds, frequent cloud to ground
lightning is occurring with these storms. Move indoors immediately.
Remember, if you can hear thunder, you are close enough to be struck
by lightning.
&&
LAT...LON 3888 7637 3904 7631 3897 7622 3900 7617
3910 7622 3911 7600 3881 7590 3876 7600
3857 7604 3876 7622 3876 7632 3867 7634
3869 7635 3892 7627 3896 7631 3884 7637
TIME...MOT...LOC 2310Z 272DEG 14KT 3902 7643 3887 7628 3832 7649
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Gorse3 follow-up statements
304
WWUS51 KPHI 272328
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
728 PM EDT Fri Aug 27 2021
MDC029-035-041-280015-
/O.CON.KPHI.SV.W.0280.000000T0000Z-210828T0015Z/
Talbot MD-Queen Anne's MD-Kent MD-
728 PM EDT Fri Aug 27 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR TALBOT...SOUTHWESTERN QUEEN ANNE'S AND SOUTHWESTERN KENT
COUNTIES...
At 728 PM EDT, severe thunderstorms were located along a line
extending from near Rock Hall to near Talbot to near University Of
Maryland Center For Environmental Studies to near Taylors Island,
moving east at 20 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Easton, Centerville, Talbot, Centreville, Trappe, St. Michaels, Queen
Anne, Grasonville, Starr, Stevensville, Skipton, Copperville,
Chester, Matthews, Wye Mills, Hambleton, Cordova, Carville, Tilghman
Island and Queenstown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Frequent cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 3888 7637 3904 7631 3897 7622 3900 7617
3910 7622 3911 7600 3881 7590 3876 7600
3857 7604 3876 7622 3876 7632 3867 7634
3869 7635 3892 7627 3896 7631 3884 7637
TIME...MOT...LOC 2328Z 283DEG 15KT 3908 7630 3884 7624 3857 7621 3843
7629
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Gorse385
WWUS51 KPHI 272358
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
758 PM EDT Fri Aug 27 2021
MDC029-280008-
/O.CAN.KPHI.SV.W.0280.000000T0000Z-210828T0015Z/
Kent MD-
758 PM EDT Fri Aug 27 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN KENT COUNTY IS
CANCELLED...
The storms which prompted the warning have weakened. Therefore, the
warning has been cancelled.
LAT...LON 3881 7590 3876 7600 3857 7604 3877 7616
3898 7621 3900 7617 3906 7620 3909 7599
TIME...MOT...LOC 2358Z 272DEG 14KT 3908 7616 3884 7610 3857 7607 3843
7615
$$
MDC035-041-280015-
/O.CON.KPHI.SV.W.0280.000000T0000Z-210828T0015Z/
Talbot MD-Queen Anne's MD-
758 PM EDT Fri Aug 27 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR TALBOT AND SOUTH CENTRAL QUEEN ANNE'S COUNTIES...
At 758 PM EDT, severe thunderstorms were located along a line
extending from near Overton to near Copperville to Cambridge to 8
miles east of Taylors Island, moving east at 15 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Easton, Centerville, Centreville, Trappe, Queen Anne, Starr, Skipton,
Copperville, Matthews, Wye Mills, Hambleton, Cordova, Carville,
Queenstown and Hillsboro.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Frequent cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 3881 7590 3876 7600 3857 7604 3877 7616
3898 7621 3900 7617 3906 7620 3909 7599
TIME...MOT...LOC 2358Z 272DEG 14KT 3908 7616 3884 7610 3857 7607 3843
7615
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Gorse648
WWUS51 KPHI 280005
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
805 PM EDT Fri Aug 27 2021
MDC035-041-280015-
/O.EXP.KPHI.SV.W.0280.000000T0000Z-210828T0015Z/
Talbot MD-Queen Anne's MD-
805 PM EDT Fri Aug 27 2021
...THE SEVERE THUNDERSTORM WARNING FOR TALBOT AND SOUTH CENTRAL QUEEN
ANNE'S COUNTIES WILL EXPIRE AT 815 PM EDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However gusty
winds and heavy rain are still possible with these thunderstorms.
LAT...LON 3881 7590 3876 7600 3857 7604 3877 7616
3898 7621 3900 7617 3906 7620 3909 7599
TIME...MOT...LOC 0005Z 272DEG 14KT 3908 7613 3884 7607 3857 7604 3843
7612
$$
GorseThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 7:37 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's | 34 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.