Alert archive / Maryland / Special Weather Statements in 2017
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at May 19, 2017, 8:47 PM EDT for Caroline County, Talbot County, Maryland; Kent County, Delaware. It was in force for 43 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
- May 19, 2017, 8:47 PM EDT (00:47 UTC)
- Expired
- May 19, 2017, 9:30 PM EDT
- In force
- 43 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Kent County, DE, Caroline County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 44 km from the middle of the area, began a volume at 00:48 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, 0.8 hours before the alert went out and 105 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
- 1860 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 1241 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 126 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.3
The text
As transmitted.
302
WWUS81 KPHI 200047
SPSPHI
Special Weather Statement
National Weather Service Mount Holly NJ
847 PM EDT FRI MAY 19 2017
DEZ002-003-MDZ015-019-020-200130-
Inland Sussex-Kent-Queen Anne's-Talbot-Caroline-
847 PM EDT FRI MAY 19 2017
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTHWESTERN SUSSEX...
KENT...TALBOT...EASTERN QUEEN ANNE'S AND CAROLINE COUNTIES...
At 846 PM EDT, radar indicated strong thunderstorms were located
along a line extending from near Sudlersville to Tanyard. Movement
was east at 20 mph.
Winds up to 50 mph and dime size hail are possible with these storms.
Locations impacted include...
Dover, Easton, Centerville, Seaford, Denton, Centreville, Harrington,
Camden, Federalsburg, Bridgeville, Greensboro, Oakland, Ridgely,
Cheswold, Trappe, Church Hill, Preston, Oxford, Sudlersville and
Goldsboro.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
LAT...LON 3917 7602 3927 7541 3861 7559 3862 7571
3869 7577 3868 7580 3870 7580 3871 7584
3868 7594 3864 7597 3866 7617 3868 7617
3867 7620 3868 7621 3871 7622 3871 7623
TIME...MOT...LOC 0046Z 267DEG 16KT 3911 7589 3874 7599
$$
CMSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 9:39 PM EDT | Special Marine Warning | PHI | 66 min | |
| May 19, 9:55 PM EDT | Special Weather Statement | PHI | Cape May, Cumberland | 50 min |
| May 19, 8:13 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 32 min |
| May 19, 11:51 PM EDT | Special Weather Statement | PHI | Queen Anne's | 24 min |
| May 20, 12:09 AM EDT | Special Weather Statement | PHI | Caroline | 21 min |
| May 19, 9:24 PM EDT | Special Weather Statement | PHI | Kent | 36 min |
| May 19, 10:00 PM EDT | Special Weather Statement | PHI | Sussex | 30 min |
| May 19, 10:35 PM EDT | Special Weather Statement | PHI | Sussex | 25 min |
Nearby
Special Weather Statements in Maryland, 2017Special Weather Statements in Delaware, 2017Every special weather statement in 2017
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.