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 Aug 27, 2011, 2:36 PM EDT for 4 counties in New Jersey; 5 counties in Maryland; Kent County, New Castle County, Sussex County, Delaware. It was in force for 54 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
- Aug 27, 2011, 2:36 PM EDT (18:36 UTC)
- Expired
- Aug 27, 2011, 3:30 PM EDT
- In force
- 54 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Kent County, DE, New Castle County, DE, Sussex County, DE, Caroline County, MD, Cecil County, MD, Kent County, MD, Queen Anne's County, MD, Talbot County, MD, Atlantic County, NJ, Cape May County, NJ, Cumberland County, NJ, Salem County, NJ
The radar
The Dover AFB radar (KDOX), 23 km from the middle of the area, began a volume at 18:36 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, 6.6 hours before the alert went out and 122 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
- 330 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 691 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 105 m²/s²
- 0-3 km storm-relative helicity
- 221 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.9
The text
As transmitted, in the capitals the NWS used until 2016.
006
WWUS81 KPHI 271836
SPSPHI
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
236 PM EDT SAT AUG 27 2011
DEZ001>004-MDZ008-012-015-019-020-NJZ016>018-020>027-271930-
ATLANTIC NJ-ATLANTIC COASTAL CAPE MAY NJ-CAMDEN NJ-CAPE MAY NJ-
CAROLINE MD-CECIL MD-COASTAL ATLANTIC NJ-COASTAL OCEAN NJ-
CUMBERLAND NJ-DELAWARE BEACHES DE-GLOUCESTER NJ-INLAND SUSSEX DE-
KENT MD-KENT DE-NEW CASTLE DE-OCEAN NJ-QUEEN ANNE'S MD-SALEM NJ-
SOUTHEASTERN BURLINGTON NJ-TALBOT MD-
236 PM EDT SAT AUG 27 2011
...BANDS OF VERY HEAVY SHOWERS WITH STRONG WIND GUSTS WILL AFFECT
KENT...CAROLINE...CECIL...SALEM...CUMBERLAND...CAMDEN...GLOUCESTER...
QUEEN ANNE'S...TALBOT...SUSSEX...NEW CASTLE...CAPE
MAY...OCEAN...ATLANTIC AND BURLINGTON COUNTIES...
AT 230 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
BANDS OF VERY HEAVY SHOWERS WITH STRONG WIND GUSTS MOVING WEST
NORTHWEST THROUGH DELAWARE...ADJACENT EASTERN MARYLAND AND SOUTHERN
NEW JERSEY.
STRONG WIND GUSTS NEAR 60 MPH WILL BE POSSIBLE IN KENT AND SUSSEX
COUNTIES OF SOUTHERN DELAWARE...AND IN CAROLINE AND TALBOT COUNTIES
OF MARYLAND BETWEEN NOW AND 330 PM WITH 45 TO 50 MPH GUSTS IN SOME
OF THE TORRENTIAL DOWNPOURS ELSEWHERE. POWER OUTAGES MAY DEVELOP IN
SOUTHERN DELAWARE SHORTLY.
VERY HEAVY RAINFALL WILL OCCUR OVER AREAS THAT RECEIVED HEAVY RAINS
EARLIER. BE ALERT FOR THE POSSIBILITY OF LOCALIZED FLOODING AND AN
AREAL FLOOD WARNING IS IN EFFECT FOR MUCH OF THIS REGION.
LAT...LON 3846 7570 3869 7583 3856 7604 3867 7636
3884 7620 3894 7637 3955 7603 3955 7608
3975 7409 3892 7495 3892 7497 3916 7491
3917 7514 3951 7553 3958 7554 3958 7556
3893 7530 3880 7507 3844 7505
$$
FORECASTER: DRAGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 11:07 AM EDT | Special Marine Warning | PHI | 53 min | |
| Aug 27, 12:00 PM EDT | Special Marine Warning | PHI | 23 min | |
| Aug 27, 1:28 PM EDT | Special Weather Statement | PHI | Atlantic, Camden, Cape May, Cumberland, Gloucester, Ocean and 1 more | 62 min |
| Aug 27, 2:14 PM EDT | Areal Flood Warning | PHI | Cape May, Cumberland, Gloucester, Salem | 6 hr |
| Aug 27, 3:47 PM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Camden, Cape May, Gloucester, Hunterdon and 5 more | 118 min |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | Morris, Somerset | 5 days |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | Morris, Somerset | 7 days |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | Essex, Morris, Passaic | 18 days |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | Essex, Passaic | 8 days |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | Morris, Passaic | 72 hr |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | Morris, Passaic | 3 days |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | Bergen, Morris, Passaic | 66 hr |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | Burlington | 5 days |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | Hunterdon, Somerset | 37 hr |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | Somerset | 35 hr |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | Middlesex, Somerset | 60 hr |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | Middlesex, Somerset | 66 hr |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | Hunterdon, Warren | 60 hr |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | Hunterdon, Mercer | 60 hr |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | Hunterdon | 58 hr |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | Hunterdon | 58 hr |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | Hunterdon, Mercer | 42 hr |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | Hunterdon, Mercer | 48 hr |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | Mercer | 60 hr |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | Morris | 72 hr |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | Morris | 4 days |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | Mercer | 66 hr |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | Somerset | 3 days |
| Aug 27, 4:09 PM EDT | Special Weather Statement | PHI | Mercer | 51 min |
| Aug 27, 5:42 PM EDT | Areal Flood Warning | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 6 more | 6 hr |
| Aug 27, 5:58 PM EDT | Special Marine Warning | PHI | 32 min | |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | Montgomery | 29 hr |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | Montgomery | 23 hr |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | Chester, Montgomery, Philadelphia | 36 hr |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | Montgomery, Philadelphia | 35 hr |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | Monroe | 25 hr |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | Monroe | 42 hr |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | Lehigh, Northampton | 23 hr |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | Lehigh, Northampton | 23 hr |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | Chester, Delaware | 37 hr |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | Bucks | 38 hr |
| Aug 27, 5:37 PM EDT | River Flood Warning | PHI | Chester | 19 hr |
| Aug 27, 5:37 PM EDT | River Flood Warning | PHI | Delaware | 23 hr |
| Aug 27, 5:37 PM EDT | River Flood Warning | PHI | Lehigh | 22 hr |
| Aug 27, 7:27 PM EDT | Flash Flood Warning | PHI | Caroline, Queen Anne's, Talbot | 12 hr |
| Aug 27, 12:12 PM EDT | Tornado Warning | PHI | Sussex | 28 min |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | New Castle | 37 hr |
| Aug 27, 5:37 PM EDT | River Flood Warning | PHI | New Castle | 18 hr |
| Aug 27, 5:37 PM EDT | River Flood Warning | PHI | New Castle | 19 hr |
| Aug 27, 5:37 PM EDT | River Flood Warning | PHI | New Castle | 24 hr |
| Aug 27, 6:14 PM EDT | Special Weather Statement | PHI | Sussex | 31 min |
| Aug 27, 6:22 PM EDT | Tornado Warning | PHI | Kent, Sussex | 23 min |
Nearby
Special Weather Statements in Maryland, 2011Special Weather Statements in New Jersey, 2011Special Weather Statements in Delaware, 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.