Alert archive / Maryland / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 262, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 27, 2020, 6:25 PM EDT for Kent County, Queen Anne's County, Talbot County, Maryland. 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
- Aug 27, 2020, 6:25 PM EDT (22:25 UTC)
- Expired
- Aug 27, 2020, 7:15 PM EDT
- In force
- 50 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 22:25 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, 10.4 hours before the alert went out and 100 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
- 636 J/kg
- Mixed-layer CIN
- -100 J/kg
- Mixed-layer LCL
- 1293 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 140 m²/s²
- 0-3 km storm-relative helicity
- 195 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted.
242
WUUS51 KPHI 272225
SVRPHI
MDC029-035-041-272315-
/O.NEW.KPHI.SV.W.0262.200827T2225Z-200827T2315Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
625 PM EDT Thu Aug 27 2020
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northern Talbot County in eastern Maryland...
Queen Anne's County in northeastern Maryland...
Southwestern Kent County in northeastern Maryland...
* Until 715 PM EDT.
* At 625 PM EDT, a severe thunderstorm was located over Magothy
River, 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...
Easton, Centerville, Talbot, Chestertown, Centreville, Rock Hall,
Church Hill, Sudlersville, Queen Anne, Old Town, Grasonville,
Starr, Copperville, Stevensville, Skipton, Langford, Chester,
Overton, Starkey Corner and Wye Mills.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3892 7637 3904 7631 3898 7628 3900 7617
3903 7621 3915 7628 3924 7623 3917 7580
3875 7605 3882 7630 3883 7630 3885 7627
3880 7621 3881 7620 3894 7621 3897 7625
3893 7630 3896 7631 3891 7634 3885 7637
TIME...MOT...LOC 2225Z 279DEG 31KT 3906 7638
HAIL...<.75IN
WIND...60MPH
$$
NC2 follow-up statements
389
WWUS51 KPHI 272256
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
656 PM EDT Thu Aug 27 2020
MDC029-035-041-272315-
/O.CON.KPHI.SV.W.0262.000000T0000Z-200827T2315Z/
Talbot MD-Queen Anne's MD-Kent MD-
656 PM EDT Thu Aug 27 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR NORTHEASTERN TALBOT...QUEEN ANNE'S AND SOUTHWESTERN KENT
COUNTIES...
At 656 PM EDT, a severe thunderstorm was located over Centerville,
moving east at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Easton, Centerville, Centreville, Rock Hall, Church Hill, Queen Anne,
Old Town, Grasonville, Starr, Stevensville, Skipton, Copperville,
Chester, Overton, Starkey Corner, Wye Mills, Cordova, Carville, Hope
and Queenstown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3892 7637 3904 7631 3898 7628 3900 7617
3903 7621 3915 7628 3918 7626 3916 7581
3875 7605 3880 7620 3881 7620 3894 7621
3897 7625 3893 7630 3896 7631 3891 7634
3885 7637
TIME...MOT...LOC 2256Z 279DEG 31KT 3902 7604
HAIL...<.75IN
WIND...60MPH
$$
NC248
WWUS51 KPHI 272312
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
712 PM EDT Thu Aug 27 2020
MDC029-035-041-272322-
/O.EXP.KPHI.SV.W.0262.000000T0000Z-200827T2315Z/
Talbot MD-Queen Anne's MD-Kent MD-
712 PM EDT Thu Aug 27 2020
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN TALBOT...QUEEN
ANNE'S AND SOUTHWESTERN KENT COUNTIES WILL EXPIRE AT 715 PM EDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire. However gusty
winds are still possible with this thunderstorm.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.
LAT...LON 3892 7637 3904 7631 3898 7628 3900 7617
3903 7621 3915 7628 3918 7626 3916 7581
3875 7605 3880 7620 3881 7620 3894 7621
3897 7625 3893 7630 3896 7631 3891 7634
3885 7637
TIME...MOT...LOC 2312Z 279DEG 31KT 3900 7587
$$
NCThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 7:12 PM EDT | Special Weather Statement | PHI | Caroline | 48 min |
| Aug 27, 7:25 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 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.