Alert archive / Maryland / Special Weather Statements in 2012
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Sep 2, 2012, 6:33 PM EDT for Kent County, Maryland. It was in force for 117 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, 2012, 6:33 PM EDT (22:33 UTC)
- Expired
- Sep 2, 2012, 8:30 PM EDT
- In force
- 117 min
- Issued by
- NWS Philadelphia/Mount Holly
County Kent County, MD
The radar
The Dover AFB radar (KDOX), 78 km from the middle of the area, began a volume at 22:34 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, 10.6 hours before the alert went out and 112 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
- 737 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 960 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
372
WWUS81 KPHI 022233
SPSPHI
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
633 PM EDT SUN SEP 2 2012
MDZ012-015-030030-
KENT MD-QUEEN ANNE'S MD-
633 PM EDT SUN SEP 2 2012
...THUNDERSTORMS WILL AFFECT KENT AND QUEEN ANNE'S COUNTIES...
AT 631 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS ALONG A LINE EXTENDING FROM BALTIMORE TO 13 MILES EAST
OF BALTIMORE TO 25 MILES SOUTHEAST OF BALTIMORE...MOVING NORTHEAST
AT 5 MPH. THE THUNDERSTORMS WILL BE NEAR OLD TOWN AROUND 700
PM...LANGFORD AROUND 730 PM...CHESTERTOWN AND NEWTOWN AROUND 830 PM.
HEAVY RAIN WILL FALL FROM THESE STORMS...AND WILL CAUSE WATER TO
POND ON ROADS AND QUICKLY FILL POOR DRAINAGE AREAS.
CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS. DO NOT
SEEK SHELTER UNDER TREES WHEN LIGHTNING THREATENS...MOVE INDOORS
WHEN A THUNDERSTORM APPROACHES.
LAT...LON 3927 7623 3930 7619 3932 7619 3934 7617
3938 7611 3938 7606 3937 7597 3932 7587
3903 7616 3908 7625 3913 7626 3914 7629
3917 7629
$$
TFGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 2, 1:09 PM EDT | Areal Flood Advisory | PHI | Cumberland, Salem | 2 hr |
| Sep 2, 5:14 PM EDT | Special Weather Statement | PHI | Middlesex, Monmouth, Somerset | 2 hr |
| Sep 2, 5:38 PM EDT | Areal Flood Advisory | PHI | Middlesex, Monmouth | 3 hr |
| Sep 2, 7:37 PM EDT | Special Weather Statement | PHI | Monmouth | 113 min |
| Sep 2, 12:25 AM EDT | Special Weather Statement | PHI | Sussex | 95 min |
| Sep 2, 12:40 PM EDT | Areal Flood Advisory | PHI | New Castle | 83 min |
| Sep 2, 3:00 PM EDT | Areal Flood Advisory | PHI | Sussex | 2 hr |
| Sep 2, 3:38 PM EDT | Flash Flood Warning | PHI | Sussex | 3 hr |
| Sep 2, 4:51 PM EDT | Areal Flood Advisory | PHI | Sussex | 89 min |
| Sep 1, 8:07 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's | 38 min |
| Sep 1, 8:47 PM EDT | Special Weather Statement | PHI | Caroline, Queen Anne's | 88 min |
| Sep 1, 9:27 PM EDT | Special Weather Statement | PHI | Caroline, Queen Anne's, Talbot | 93 min |
| Sep 1, 10:34 PM EDT | Special Weather Statement | PHI | Caroline, Talbot | 86 min |
| Sep 1, 11:44 PM EDT | Special Weather Statement | PHI | Wicomico | 61 min |
| Sep 2, 3:17 PM EDT | Areal Flood Advisory | PHI | Caroline | 118 min |
| Sep 2, 3:57 PM EDT | Flash Flood Warning | PHI | Caroline | 2 hr |
Nearby
Special Weather Statements in Maryland, 2012Every special weather statement in 2012
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.