Alert archive / Maryland / Special Weather Statements in 2018
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Sep 7, 2018, 3:20 PM EDT for Caroline County, Maryland. It was in force for 40 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 7, 2018, 3:20 PM EDT (19:20 UTC)
- Expired
- Sep 7, 2018, 4:00 PM EDT
- In force
- 40 min
- Issued by
- NWS Philadelphia/Mount Holly
County Caroline County, MD
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 12:00Z, 7.3 hours before the alert went out and 102 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
- 1722 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 884 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- -19 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
968 WWUS81 KPHI 071920 SPSPHI Special Weather Statement National Weather Service Mount Holly NJ 320 PM EDT FRI SEP 7 2018 DEZ002-003-MDZ020-072000- Inland Sussex-Kent-Caroline- 320 PM EDT FRI SEP 7 2018 ...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN SUSSEX... SOUTHWESTERN KENT AND EAST CENTRAL CAROLINE COUNTIES... At 320 PM EDT, a strong thunderstorm was located near Andrewsville, or 17 miles northeast of Hurlock. The storm is nearly stationary. Winds up to 40 mph and pea size hail are possible with this storm. Locations impacted include... Bridgeville, Smithville, Andrewsville, Greenwood and Farmington. Torrential rainfall is also occurring with this storm, and may cause localized flooding. Do not drive your vehicle through flooded roadways. 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 3881 7583 3895 7569 3887 7546 3866 7567 TIME...MOT...LOC 1920Z 308DEG 2KT 3884 7569 $$ Gorse
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 4:22 AM EDT | Small Craft Advisory | PHI | 35 hr | |
| Sep 7, 12:59 PM EDT | Special Weather Statement | PHI | Cape May | 46 min |
| Sep 7, 1:26 PM EDT | Severe Thunderstorm Warning | PHI | Cape May | 31 min |
| Sep 7, 1:29 PM EDT | Areal Flood Advisory | PHI | Cape May | 3 hr |
| Sep 7, 2:20 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cape May | 30 min |
| Sep 7, 2:53 PM EDT | Special Weather Statement | PHI | Atlantic | 37 min |
| Sep 7, 3:25 PM EDT | Special Weather Statement | PHI | Atlantic | 50 min |
| Sep 7, 3:36 PM EDT | Gale Watch | PHI | 24 hr | |
| Sep 7, 5:27 PM EDT | Special Marine Warning | PHI | 46 min | |
| Sep 7, 6:32 PM EDT | Special Weather Statement | PHI | Camden | 43 min |
| Sep 7, 6:41 PM EDT | Flash Flood Warning | PHI | Camden, Gloucester | 4 hr |
| Sep 7, 7:08 PM EDT | Special Weather Statement | PHI | Camden | 52 min |
| Sep 7, 7:19 PM EDT | Severe Thunderstorm Warning | PHI | Camden, Gloucester | 56 min |
| Sep 7, 1:01 PM EDT | Special Weather Statement | PHI | Sussex | 44 min |
| Sep 7, 1:45 PM EDT | Special Weather Statement | PHI | Sussex | 30 min |
| Sep 7, 2:01 PM EDT | Areal Flood Advisory | PHI | Sussex | 2 hr |
| Sep 7, 2:49 PM EDT | Special Weather Statement | PHI | Sussex | 41 min |
| Sep 7, 4:12 PM EDT | Areal Flood Advisory | PHI | Kent, Sussex | 94 min |
| Sep 7, 4:58 PM EDT | Special Weather Statement | PHI | Kent | 47 min |
| Sep 7, 5:05 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 39 min |
| Sep 6, 8:27 PM EDT | Special Weather Statement | PHI | Kent | 33 min |
Nearby
Special Weather Statements in Maryland, 2018Every special weather statement in 2018
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.