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 Nov 13, 2012, 2:39 AM EST for Kent County, Delaware; Caroline County, Queen Anne's County, Talbot County, Maryland. It was in force for 81 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
- Nov 13, 2012, 2:39 AM EST (07:39 UTC)
- Expired
- Nov 13, 2012, 4:00 AM EST
- In force
- 81 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Kent County, DE, Caroline County, MD, Queen Anne's County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 54 km from the middle of the area, began a volume at 07:40 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, 7.7 hours before the alert went out and 118 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
- 4 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 1216 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 262 m²/s²
- 0-3 km storm-relative helicity
- 402 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
160
WWUS81 KPHI 130739
SPSPHI
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
239 AM EST TUE NOV 13 2012
DEZ002-MDZ015-019-020-130900-
CAROLINE MD-KENT DE-QUEEN ANNE'S MD-TALBOT MD-
239 AM EST TUE NOV 13 2012
...A LINE OF SHOWERS WITH STRONG WIND GUSTS AND BRIEF HEAVY RAINFALL
WILL AFFECT KENT...CAROLINE...QUEEN ANNE'S AND TALBOT COUNTIES...
AT 236 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
INDICATED SHOWERS WITH STRONG WIND GUSTS ALONG A LINE EXTENDING FROM
20 MILES NORTHWEST OF DOVER TO 35 MILES SOUTHEAST OF BALTIMORE TO 47
MILES SOUTH OF BALTIMORE...MOVING EAST AT 20 MPH.
THE SHOWERS WILL BE NEAR CENTREVILLE AROUND 245
AM...TALBOT...CARVILLE...SUDLERSVILLE AROUND 250 AM...WYE
MILLS...TILGHMAN ISLAND...HOPE...BARCLAY AROUND 255 AM...STARR AND
COPPERVILLE AROUND 300 AM.
WIND GUSTS OF 30 TO 35 MPH AND A BRIEF PERIOD OF HEAVY RAIN ARE
POSSIBLE WITH THESE SHOWERS.
LAT...LON 3872 7626 3867 7635 3877 7640 3887 7625
3881 7621 3882 7620 3894 7624 3884 7638
3891 7638 3900 7618 3906 7620 3925 7597
3925 7576 3930 7576 3931 7559 3937 7551
3932 7543 3908 7539 3874 7583 3860 7612
$$
ROBERTSONThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 13, 1:17 AM EST | Special Weather Statement | PHI | Hunterdon, Sussex, Warren | 88 min |
| Nov 13, 2:36 AM EST | Special Weather Statement | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 3 more | 84 min |
| Nov 13, 3:16 AM EST | Special Weather Statement | PHI | Burlington, Mercer, Middlesex, Monmouth, Morris, Ocean and 1 more | 89 min |
| Nov 13, 3:20 AM EST | Special Weather Statement | PHI | Atlantic, Camden, Cape May, Cumberland, Gloucester | 85 min |
| Nov 12, 10:55 PM EST | Special Weather Statement | PHI | Berks, Carbon | 80 min |
| Nov 13, 12:01 AM EST | Special Weather Statement | PHI | Berks, Carbon, Chester, Lehigh, Monroe | 89 min |
| Nov 13, 1:25 AM EST | Special Weather Statement | PHI | Kent, Queen Anne's | 80 min |
Nearby
Special Weather Statements in Maryland, 2012Special Weather Statements in Delaware, 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.