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 Sep 1, 2012, 11:44 PM EDT for Wicomico County, Maryland. It was in force for 61 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
- Sep 1, 2012, 11:44 PM EDT (03:44 UTC)
- Expired
- Sep 2, 2012, 12:45 AM EDT
- In force
- 61 min
- Issued by
- NWS Philadelphia/Mount Holly
County Wicomico County, MD
The radar
The Dover AFB radar (KDOX), 36 km from the middle of the area, began a volume at 03:44 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, 3.7 hours before the alert went out and 81 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
- 729 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 1568 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 76 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
916
WWUS81 KPHI 020344
SPSPHI
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1144 PM EDT SAT SEP 1 2012
DEZ003-MDZ020-020445-
CAROLINE MD-INLAND SUSSEX DE-
1144 PM EDT SAT SEP 1 2012
...A STRONG THUNDERSTORM WILL AFFECT CAROLINE AND SUSSEX COUNTIES...
AT 1140 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR FEDERALSBURG AND HURLOCK...MOVING SOUTHEAST
AT 15 MPH. THE THUNDERSTORM WILL BE NEAR BETHEL AND LAUREL AROUND
1230 AM AND DELMAR AROUND 1245 AM.
VERY HEAVY RAIN WILL FALL FROM THIS STORM...AND IT WILL CAUSE WATER
TO POND ON ROADS AND QUICKLY FILL POOR DRAINAGE AREAS.
WIND GUSTS TO 40 MPH AND SMALL HAIL ARE POSSIBLE.
FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. DO
NOT SEEK SHELTER UNDER TREES WHEN LIGHTNING THREATENS...MOVE INDOORS
WHEN A THUNDERSTORM APPROACHES.
LAT...LON 3845 7569 3848 7570 3865 7572 3868 7576
3867 7580 3870 7581 3870 7584 3869 7590
3867 7592 3868 7595 3876 7586 3850 7537
3845 7542
$$
IOVINOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 2, 1:09 PM EDT | Areal Flood Advisory | PHI | Cumberland, Salem | 2 hr |
| Sep 2, 5:14 PM EDT | Special Weather Statement | PHI | Middlesex, Monmouth, Somerset | 2 hr |
| Sep 2, 5:38 PM EDT | Areal Flood Advisory | PHI | Middlesex, Monmouth | 3 hr |
| Sep 2, 7:37 PM EDT | Special Weather Statement | PHI | Monmouth | 113 min |
| Sep 2, 12:25 AM EDT | Special Weather Statement | PHI | Sussex | 95 min |
| Sep 2, 12:40 PM EDT | Areal Flood Advisory | PHI | New Castle | 83 min |
| Sep 2, 3:00 PM EDT | Areal Flood Advisory | PHI | Sussex | 2 hr |
| Sep 2, 3:38 PM EDT | Flash Flood Warning | PHI | Sussex | 3 hr |
| Sep 2, 4:51 PM EDT | Areal Flood Advisory | PHI | Sussex | 89 min |
| Sep 1, 8:07 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's | 38 min |
| Sep 1, 8:47 PM EDT | Special Weather Statement | PHI | Caroline, Queen Anne's | 88 min |
| Sep 1, 9:27 PM EDT | Special Weather Statement | PHI | Caroline, Queen Anne's, Talbot | 93 min |
| Sep 1, 10:34 PM EDT | Special Weather Statement | PHI | Caroline, Talbot | 86 min |
| Sep 2, 3:17 PM EDT | Areal Flood Advisory | PHI | Caroline | 118 min |
| Sep 2, 3:57 PM EDT | Flash Flood Warning | PHI | Caroline | 2 hr |
| Sep 2, 6:33 PM EDT | Special Weather Statement | PHI | Kent | 117 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.