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 May 24, 2011, 2:15 PM EDT for Talbot County, Maryland. It was in force for 60 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 24, 2011, 2:15 PM EDT (18:15 UTC)
- Expired
- May 24, 2011, 3:15 PM EDT
- In force
- 60 min
- Issued by
- NWS Philadelphia/Mount Holly
County Talbot County, MD
The radar
The Dover AFB radar (KDOX), 60 km from the middle of the area, began a volume at 18:21 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 12:00Z, 6.3 hours before the alert went out and 105 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
- 580 J/kg
- Mixed-layer CIN
- -146 J/kg
- Mixed-layer LCL
- 1290 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 79 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.8
The text
As transmitted, in the capitals the NWS used until 2016.
027
WWUS81 KPHI 241815
SPSPHI
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
215 PM EDT TUE MAY 24 2011
MDZ019-020-241915-
CAROLINE MD-TALBOT MD-
215 PM EDT TUE MAY 24 2011
...AN ISOLATED DEVELOPING THUNDERSTORM WILL AFFECT CAROLINE AND
TALBOT COUNTIES...
AT 211 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 14 MILES SOUTHWEST OF EASTON...MOVING EAST AT 25
MPH. THE THUNDERSTORM WILL BE NEAR OXFORD AROUND 230 PM...
WINDYHILL...HAMBLETON AROUND 245 PM...CHOPTANK...PRESTON AROUND 300
PM...FEDERALSBURG AND SMITHVILLE AROUND 315 PM.
THIS THUNDERSTORM SHOULD INTENSIFY AND WIND GUSTS TO 40 MPH ARE
POSSIBLE WITH THIS STORM. EXPECT LIGHTNING TO ALSO DEVELOP FROM THIS
STORM. DO NOT SEEK SHELTER UNDER TREES WHEN LIGHTNING
THREATENS...MOVE INDOORS WHEN A THUNDERSTORM APPROACHES.
LAT...LON 3861 7609 3866 7621 3873 7625 3870 7627
3872 7631 3866 7635 3874 7635 3875 7640
3879 7622 3876 7616 3880 7616 3887 7574
3866 7572 3869 7583 3869 7590 3867 7595
3856 7602 3857 7607
$$
TFGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 8:31 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Somerset, Sussex, Warren | 59 min |
| May 23, 9:06 PM EDT | Areal Flood Advisory | PHI | Warren | 2 hr |
| May 23, 9:23 PM EDT | Special Weather Statement | PHI | Warren | 67 min |
| May 23, 9:25 PM EDT | Special Weather Statement | PHI | Hunterdon, Somerset | 65 min |
| May 23, 9:32 PM EDT | Special Weather Statement | PHI | Morris | 88 min |
| May 23, 9:47 PM EDT | Special Marine Warning | PHI | 88 min | |
| May 23, 9:58 PM EDT | Special Weather Statement | PHI | Cape May | 47 min |
| May 24, 4:02 PM EDT | Special Marine Warning | PHI | 43 min | |
| May 24, 4:20 PM EDT | Special Weather Statement | PHI | Camden | 85 min |
| May 24, 4:28 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Ocean | 50 min |
| May 24, 6:19 PM EDT | Special Weather Statement | PHI | Atlantic | 86 min |
| May 23, 8:22 PM EDT | Special Weather Statement | PHI | Lehigh, Northampton | 53 min |
| May 23, 8:04 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 56 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.