Alert archive / Maryland / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 288, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Sep 2, 2020, 10:08 PM EDT for Caroline County, Queen Anne's County, Talbot County, Maryland. It was in force for 67 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
- Sep 2, 2020, 10:08 PM EDT (02:08 UTC)
- Expired
- Sep 2, 2020, 11:15 PM EDT
- In force
- 67 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Caroline County, MD, Queen Anne's County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 63 km from the middle of the area, began a volume at 02:10 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 2, 6:43 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 2.1 hours before the alert went out and 107 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
- 1723 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 847 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 182 m²/s²
- 0-3 km storm-relative helicity
- 229 m²/s²
- Significant tornado parameter
- 1.4
- Supercell composite
- 8.6
The text
As transmitted.
046
WUUS51 KPHI 030208
SVRPHI
MDC011-035-041-030315-
/O.NEW.KPHI.SV.W.0288.200903T0208Z-200903T0315Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
1008 PM EDT Wed Sep 2 2020
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northern Talbot County in eastern Maryland...
Southern Queen Anne's County in northeastern Maryland...
Caroline County in eastern Maryland...
* Until 1115 PM EDT.
* At 1008 PM EDT, a severe thunderstorm was located near Wye Mills,
or 9 miles north of Easton, moving east at 30 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, Denton, Centreville, Federalsburg,
Greensboro, Oakland, Ridgely, St. Michaels, Preston, Goldsboro,
Queen Anne, Smithville, Grasonville, Starr, Copperville, Jumptown,
Agner and Tanyard.
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 3885 7627 3879 7622 3879 7620 3893 7620
3897 7625 3891 7624 3892 7625 3894 7628
3891 7630 3892 7630 3899 7627 3898 7620
3900 7617 3904 7620 3907 7574 3864 7571
3869 7577 3868 7592 3880 7631 3882 7631
TIME...MOT...LOC 0208Z 274DEG 28KT 3891 7613
HAIL...<.75IN
WIND...60MPH
$$
Iovino1 follow-up statement
201
WWUS51 KPHI 030231
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
1031 PM EDT Wed Sep 2 2020
MDC011-035-041-030315-
/O.CON.KPHI.SV.W.0288.000000T0000Z-200903T0315Z/
Talbot MD-Queen Anne's MD-Caroline MD-
1031 PM EDT Wed Sep 2 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM EDT
FOR NORTHEASTERN TALBOT...SOUTHEASTERN QUEEN ANNE'S AND CAROLINE
COUNTIES...
At 1031 PM EDT, a severe thunderstorm was located over Griffin, or 12
miles northeast of Easton, moving east at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Easton, Denton, Federalsburg, Greensboro, Oakland, Ridgely, Preston,
Goldsboro, Queen Anne, Tanyard, Harmony, Smithville, Starr, Skipton,
Jumptown, Agner, Matthews, Griffin, Cordova and Carville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Protecting yourself from immediate threats to life and safety shall
take priority. Whenever possible, as long as it does not cause
greater harm, all COVID-19 protective action guidance should be
followed.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3905 7604 3907 7574 3864 7571 3869 7577
3868 7592 3874 7610
TIME...MOT...LOC 0231Z 274DEG 28KT 3890 7590
HAIL...<.75IN
WIND...60MPH
$$
IovinoThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 2, 8:07 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 53 min |
| Sep 2, 8:47 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 58 min |
| Sep 3, 5:47 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 73 min |
| Sep 3, 6:48 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Talbot | 57 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.