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 May 14, 2018, 7:42 PM EDT for Kent County, Queen Anne's County, Talbot County, Maryland. It was in force for 63 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 14, 2018, 7:42 PM EDT (23:42 UTC)
- Expired
- May 14, 2018, 8:45 PM EDT
- In force
- 63 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Kent County, MD, Queen Anne's County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 61 km from the middle of the area, began a volume at 23:41 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, 11.7 hours before the alert went out and 109 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 828 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 138 m²/s²
- 0-3 km storm-relative helicity
- 136 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Philadelphia/Mount Holly wrote its last area forecast discussion before this special weather statement went out at May 14, 3:59 PM EDT, 3 hours 43 minutes earlier.
Area forecast discussion, May 14, 3:59 PM EDT, 3 hours 43 minutes before
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</html>Hazardous weather outlook, May 14, 3:59 PM EDT, 3 hours 43 minutes before
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</html>In the hours before
Special weather statement, May 14, 6:57 PM EDT, 45 minutes before
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</html>Special weather statement, May 14, 7:42 PM EDT, 0 minutes before
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</html>The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 13, 10:42 PM EDT | Special Weather Statement | PHI | Gloucester, Salem | 63 min |
| May 14, 3:47 PM EDT | Small Craft Advisory | PHI | 32 hr | |
| May 13, 9:38 PM EDT | Special Weather Statement | PHI | Chester | 52 min |
| May 13, 10:17 PM EDT | Special Weather Statement | PHI | Chester, Delaware | 28 min |
| May 13, 11:20 PM EDT | Special Weather Statement | PHI | Sussex | 55 min |
| May 14, 12:07 AM EDT | Special Weather Statement | PHI | Sussex | 53 min |
| May 14, 12:55 AM EDT | Areal Flood Advisory | PHI | Sussex | 114 min |
| May 13, 11:30 PM EDT | Special Weather Statement | PHI | Queen Anne's | 45 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; radar from the NEXRAD Level II archive.