Alert archive / Maryland / Special Weather Statements in 2011
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Jul 3, 2011, 10:08 PM EDT for Queen Anne's County, Talbot County, Maryland. It was in force for 52 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
- Jul 3, 2011, 10:08 PM EDT (02:08 UTC)
- Expired
- Jul 3, 2011, 11:00 PM EDT
- In force
- 52 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Queen Anne's County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 66 km from the middle of the area, began a volume at 02:09 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 00:00Z, 2.1 hours before the alert went out and 104 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
- 240 J/kg
- Mixed-layer CIN
- -167 J/kg
- Mixed-layer LCL
- 1652 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
886
WWUS81 KPHI 040208
SPSPHI
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1008 PM EDT SUN JUL 3 2011
MDZ015-019-020-040300-
CAROLINE MD-QUEEN ANNE'S MD-TALBOT MD-
1008 PM EDT SUN JUL 3 2011
...SCATTERED STRONG THUNDERSTORMS WILL AFFECT CAROLINE...QUEEN
ANNE'S AND TALBOT COUNTIES...
AT 1000 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SCATTERED STRONG THUNDERSTORMS FROM ABOUT 20 MILES WEST OF
CENTERVILLE TO ABOUT 15 MILES WEST OF EASTON...MOVING EAST AT 20
MPH. THE THUNDERSTORMS WILL BE NEAR STEVENSVILLE SOUTH AND TALBOT
AROUND 1015 PM...CHESTER AND STEVENSVILLE AROUND 1030
PM...GRASONVILLE AND QUEENSTOWN AROUND 1045 PM...AND TANYARD AND
SKIPTON AROUND 1100 PM.
VERY HEAVY RAIN WILL FALL FROM THESE STORMS...AND THEY MAY CAUSE
FLOODING OF POOR DRAINAGE AREAS.
WIND GUSTS TO 40 MPH AND SMALL HAIL ARE POSSIBLE WITH THESE STORMS.
DANGEROUS CLOUD TO GROUND LIGHTNING ALSO IS POSSIBLE. PLEASE MOVE
INDOORS UNTIL THE STORMS PASS.
LAT...LON 3873 7625 3866 7635 3877 7640 3875 7635
3887 7625 3882 7621 3883 7620 3894 7624
3890 7624 3893 7628 3884 7638 3885 7639
3903 7633 3898 7621 3907 7619 3907 7594
3867 7575 3869 7590 3856 7604
$$
MPDThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 8:26 PM EDT | Special Weather Statement | PHI | Atlantic | 64 min |
| Jul 3, 10:46 PM EDT | Coastal Flood Statement | PHI | Cape May | 74 min |
| Jul 4, 2:40 AM EDT | Special Weather Statement | PHI | Cape May | 65 min |
| Jul 3, 8:34 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 20 min |
| Jul 3, 9:41 PM EDT | Special Weather Statement | PHI | Talbot | 64 min |
| Jul 4, 5:26 PM EDT | Special Weather Statement | PHI | Sussex | 64 min |
| Jul 4, 5:48 PM EDT | Special Weather Statement | PHI | Sussex | 57 min |
Nearby
Special Weather Statements in Maryland, 2011Every special weather statement in 2011
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.