Alert archive / Maryland / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 80, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 27, 2020, 5:37 PM EDT for Kent County, Queen Anne's County, Talbot County, Maryland. It was in force for 23 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 27, 2020, 5:37 PM EDT (21:37 UTC)
- Expired
- Jun 27, 2020, 6:00 PM EDT
- In force
- 23 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), 71 km from the middle of the area, began a volume at 21:39 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 nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 9.6 hours before the alert went out and 99 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
- 2 J/kg
- Mixed-layer CIN
- -198 J/kg
- Mixed-layer LCL
- 1545 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 173 m²/s²
- 0-3 km storm-relative helicity
- 160 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
165
WUUS51 KPHI 272137
SVRPHI
MDC029-035-041-272200-
/O.NEW.KPHI.SV.W.0080.200627T2137Z-200627T2200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
537 PM EDT Sat Jun 27 2020
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
North central Talbot County in eastern Maryland...
Southwestern Queen Anne's County in northeastern Maryland...
Southwestern Kent County in northeastern Maryland...
* Until 600 PM EDT.
* At 537 PM EDT, severe thunderstorms were located along a line
extending from Stevensville to near Kent Point, moving east at 35
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...
Centerville, Centreville, Romancoke, Grasonville, Starr,
Stevensville, Skipton, Chester, Wye Mills, Carville, Hope,
Queenstown and Stevensville South.
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.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3903 7631 3898 7628 3897 7622 3900 7617
3902 7620 3907 7594 3886 7608 3885 7620
3893 7620 3896 7625 3892 7625 3894 7628
3891 7629 3892 7630 3896 7631 3891 7634
3886 7633 3884 7637 3885 7638
TIME...MOT...LOC 2137Z 264DEG 30KT 3900 7633 3886 7643
HAIL...0.75IN
WIND...60MPH
$$
JEO2 follow-up statements
772
WWUS51 KPHI 272148
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
548 PM EDT Sat Jun 27 2020
MDC029-272157-
/O.CAN.KPHI.SV.W.0080.000000T0000Z-200627T2200Z/
Kent MD-
548 PM EDT Sat Jun 27 2020
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN KENT COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
LAT...LON 3903 7631 3898 7628 3897 7622 3898 7618
3898 7600 3886 7608 3885 7620 3893 7620
3896 7625 3892 7625 3894 7628 3891 7629
3892 7630 3896 7631 3891 7634 3886 7633
3884 7637 3885 7638
TIME...MOT...LOC 2147Z 264DEG 30KT 3901 7622 3887 7632
$$
MDC035-041-272200-
/O.CON.KPHI.SV.W.0080.000000T0000Z-200627T2200Z/
Talbot MD-Queen Anne's MD-
548 PM EDT Sat Jun 27 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR NORTH CENTRAL TALBOT AND SOUTHWESTERN QUEEN ANNE'S COUNTIES...
At 547 PM EDT, severe thunderstorms were located along a line
extending from Overton to Romancoke, moving east at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Romancoke, Chester, Wye Mills, Grasonville, Starr, Stevensville,
Skipton and Stevensville South.
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.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3903 7631 3898 7628 3897 7622 3898 7618
3898 7600 3886 7608 3885 7620 3893 7620
3896 7625 3892 7625 3894 7628 3891 7629
3892 7630 3896 7631 3891 7634 3886 7633
3884 7637 3885 7638
TIME...MOT...LOC 2147Z 264DEG 30KT 3901 7622 3887 7632
HAIL...<.75IN
WIND...60MPH
$$
JEO053
WWUS51 KPHI 272151
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
551 PM EDT Sat Jun 27 2020
MDC035-041-272201-
/O.EXP.KPHI.SV.W.0080.000000T0000Z-200627T2200Z/
Talbot MD-Queen Anne's MD-
551 PM EDT Sat Jun 27 2020
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL TALBOT AND
SOUTHWESTERN QUEEN ANNE'S COUNTIES WILL EXPIRE AT 600 PM EDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However gusty
winds are still possible with these thunderstorms.
LAT...LON 3903 7631 3898 7628 3897 7622 3898 7618
3898 7600 3886 7608 3885 7620 3893 7620
3896 7625 3892 7625 3894 7628 3891 7629
3892 7630 3896 7631 3891 7634 3886 7633
3884 7637 3885 7638
TIME...MOT...LOC 2151Z 264DEG 30KT 3901 7622 3887 7632
$$
JEOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 27, 4:56 PM EDT | Special Weather Statement | PHI | Cecil | 34 min |
| Jun 27, 4:59 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent | 31 min |
| Jun 27, 5:32 PM EDT | Special Weather Statement | PHI | Kent | 28 min |
| Jun 27, 5:40 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's | 35 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 2020Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.