Alert archive / Maryland / Special Weather Statements in 2021
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Aug 27, 2021, 11:19 PM EDT for Talbot County, Maryland. It was in force for 26 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, 2021, 11:19 PM EDT (03:19 UTC)
- Expired
- Aug 27, 2021, 11:45 PM EDT
- In force
- 26 min
- Issued by
- NWS Philadelphia/Mount Holly
- Hail
- 0.25 in
- Wind
- 40
County Talbot County, MD
The radar
The Dover AFB radar (KDOX), 58 km from the middle of the area, began a volume at 03:20 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
Wallops Is Stn, VA (KWAL), launched 00:00Z, 3.3 hours before the alert went out and 103 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
- 2567 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 1026 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
208
WWUS81 KPHI 280319
SPSPHI
Special Weather Statement
National Weather Service Mount Holly NJ
1119 PM EDT Fri Aug 27 2021
MDZ019-280345-
Talbot MD-
1119 PM EDT Fri Aug 27 2021
...A strong thunderstorm will impact portions of southeastern Talbot
County through 1145 PM EDT...
At 1118 PM EDT, Doppler radar was tracking a strong thunderstorm over
Oxford, or 7 miles northwest of Cambridge, moving east at 20 mph.
HAZARD...Wind gusts up to 40 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Easton, Trappe, Oxford and Hambleton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 3863 7608 3864 7615 3868 7618 3868 7620
3871 7621 3871 7624 3872 7624 3879 7598
3876 7598 3876 7600 3874 7599 3873 7601
3869 7598 3860 7599 3857 7603
TIME...MOT...LOC 0318Z 258DEG 15KT 3865 7614
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH
$$
CMSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 10:46 PM EDT | Areal Flood Advisory | PHI | Cape May | 119 min |
| Aug 28, 3:06 AM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Gloucester | 2 hr |
| Aug 28, 3:11 AM EDT | Special Marine Warning | PHI | 64 min | |
| Aug 28, 8:07 AM EDT | Areal Flood Advisory | PHI | Hunterdon | 3 hr |
| Aug 28, 11:57 AM EDT | Flash Flood Warning | PHI | Gloucester | 3 hr |
| Aug 28, 11:58 AM EDT | Areal Flood Advisory | PHI | Atlantic, Cape May | 3 hr |
| Aug 28, 2:47 AM EDT | Areal Flood Advisory | PHI | Berks | 2 hr |
| Aug 28, 4:06 AM EDT | Flash Flood Warning | PHI | Berks | 3 hr |
| Aug 28, 9:06 AM EDT | Flash Flood Warning | PHI | Bucks, Montgomery, Northampton | 3 hr |
| Aug 27, 8:29 PM EDT | Special Weather Statement | PHI | Kent | 31 min |
| Aug 27, 8:57 PM EDT | Special Weather Statement | PHI | Kent | 33 min |
| Aug 27, 9:04 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 41 min |
| Aug 27, 9:09 PM EDT | Special Weather Statement | PHI | New Castle | 36 min |
| Aug 27, 9:44 PM EDT | Special Weather Statement | PHI | Kent | 31 min |
| Aug 28, 12:08 AM EDT | Special Weather Statement | PHI | Sussex | 37 min |
Nearby
Special Weather Statements in Maryland, 2021Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.