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 May 29, 2012, 10:55 PM EDT for Caroline County, Talbot County, Maryland. It was in force for 65 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 29, 2012, 10:55 PM EDT (02:55 UTC)
- Expired
- May 30, 2012, 12:00 AM EDT
- In force
- 65 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Caroline County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 60 km from the middle of the area, began a volume at 02:58 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, 2.9 hours before the alert went out and 113 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
- 428 J/kg
- Mixed-layer CIN
- -100 J/kg
- Mixed-layer LCL
- 1098 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
539
WWUS81 KPHI 300255
SPSPHI
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1055 PM EDT TUE MAY 29 2012
MDZ019-020-300400-
CAROLINE MD-TALBOT MD-
1055 PM EDT TUE MAY 29 2012
...A STRONG THUNDERSTORM WILL AFFECT CAROLINE AND TALBOT COUNTIES...
AT 1050 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 18 MILES SOUTHWEST OF EASTON...MOVING EAST AT 30
MPH. THE THUNDERSTORM WILL BE NEAR TALBOT AROUND 1100 PM...ST.
MICHAELS AROUND 1105 PM...OXFORD...COPPERVILLE AROUND 1110 PM...
TRAPPE AROUND 1115 PM...HAMBLETON...EASTON AROUND 1120 PM...
TANYARD...WINDYHILL AND SKIPTON AROUND 1125 PM.
VERY HEAVY RAIN WILL FALL FROM THESE STORMS...AND WILL CAUSE WATER TO
POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES.
WIND GUSTS TO UP 35 MPH ARE POSSIBLE WITH THESE STORMS. CLOUD TO
GROUND LIGHTNING IS OCCURRING. DO NOT SEEK SHELTER UNDER TREES WHEN
LIGHTNING THREATENS...MOVE INDOORS WHEN A THUNDERSTORM APPROACHES.
LAT...LON 3872 7626 3872 7631 3866 7634 3867 7635
3877 7640 3875 7635 3887 7626 3887 7625
3884 7625 3881 7621 3889 7610 3891 7611
3892 7596 3896 7594 3901 7576 3864 7571
3870 7584 3867 7594 3858 7600 3858 7606
$$
FORECASTER: GORSEThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 8:26 PM EDT | Special Weather Statement | PHI | Burlington, Camden, Cumberland, Gloucester, Middlesex, Monmouth and 2 more | 94 min |
| May 29, 9:35 PM EDT | Special Weather Statement | PHI | Atlantic, Cumberland | 85 min |
| May 29, 10:53 PM EDT | Special Marine Warning | PHI | 52 min | |
| May 29, 11:15 PM EDT | Special Weather Statement | PHI | Cape May, Cumberland | 60 min |
| May 29, 10:53 PM EDT | Special Weather Statement | PHI | Kent | 37 min |
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.