Alert archive / Maryland / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 26, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 1, 2012, 10:10 PM EDT for Cecil County, Kent County, Queen Anne's County, Maryland; New Castle County, Delaware. It was in force for 65 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 1, 2012, 10:10 PM EDT (02:10 UTC)
- Expired
- Jun 1, 2012, 11:15 PM EDT
- In force
- 65 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties New Castle County, DE, Cecil County, MD, Kent County, MD, Queen Anne's County, MD
The radar
The Dover AFB radar (KDOX), 78 km from the middle of the area, began a volume at 02:13 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 1, 10:30 PM EDT | TSTM WND DMG | Elkton, MD | TREE DOWN IN ELKTON. TIME ESTIMATED BY RADAR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 1, 8:01 PM EDT | Tornado Watch | SPC | 4 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 2.2 hours before the alert went out and 138 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
- 497 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 621 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 289 m²/s²
- 0-3 km storm-relative helicity
- 334 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 6.1
The text
As transmitted, in the capitals the NWS used until 2016.
663
WUUS51 KPHI 020210
SVRPHI
DEC003-MDC015-029-035-020315-
/O.NEW.KPHI.SV.W.0026.120602T0210Z-120602T0315Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1010 PM EDT FRI JUN 1 2012
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CECIL COUNTY IN NORTHEAST MARYLAND...
THIS INCLUDES THE CITY OF ELKTON...
KENT COUNTY IN NORTHEAST MARYLAND...
NORTHEASTERN QUEEN ANNE'S COUNTY IN NORTHEAST MARYLAND...
SOUTHERN NEW CASTLE COUNTY IN NORTHERN DELAWARE...
THIS INCLUDES THE CITY OF MIDDLETOWN...
* UNTIL 1115 PM EDT
* AT 1008 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
OF 60 MPH. THIS STORM WAS LOCATED NEAR OLD TOWN...OR 8 MILES NORTH
OF CENTERVILLE...AND MOVING NORTHEAST AT 35 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
CRUMPTON AND MORGNEC AROUND 1020 PM EDT...
KENNEDYVILLE AROUND 1025 PM EDT...
MILLINGTON AROUND 1030 PM EDT...
MASSEY AROUND 1035 PM EDT...
SASSAFRAS AND CECILTON AROUND 1040 PM EDT...
WARWICK AROUND 1045 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM EDT SATURDAY MORNING
FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN NEW JERSEY AND
EASTERN PENNSYLVANIA.
&&
LAT...LON 3934 7617 3938 7611 3938 7606 3943 7600
3952 7599 3954 7606 3960 7611 3972 7608
3972 7606 3955 7555 3952 7555 3948 7558
3943 7555 3930 7571 3929 7576 3926 7576
3901 7596 3914 7622
TIME...MOT...LOC 0210Z 218DEG 32KT 3917 7604
$$
IOVINO1 follow-up statement
978
WWUS51 KPHI 020243
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1043 PM EDT FRI JUN 1 2012
DEC003-MDC029-035-020253-
/O.CAN.KPHI.SV.W.0026.000000T0000Z-120602T0315Z/
NEW CASTLE DE-KENT MD-QUEEN ANNE'S MD-
1043 PM EDT FRI JUN 1 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN QUEEN ANNE'S...
KENT AND SOUTHERN NEW CASTLE COUNTIES IS CANCELLED...
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM EDT SATURDAY MORNING
FOR NORTHERN DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN NEW
JERSEY AND EASTERN PENNSYLVANIA.
LAT...LON 3972 7608 3972 7606 3963 7579 3948 7578
3952 7599 3954 7603 3954 7604 3954 7606
3960 7611
TIME...MOT...LOC 0243Z 192DEG 28KT 3960 7603
$$
MDC015-020315-
/O.CON.KPHI.SV.W.0026.000000T0000Z-120602T0315Z/
CECIL MD-
1043 PM EDT FRI JUN 1 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM EDT
FOR NORTHERN CECIL COUNTY...
AT 1041 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR PERRYVILLE...MOVING
NORTH AT 35 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
BAY VIEW AND WEST NOTTINGHAM BY 1050 PM EDT...
FARMINGTON...ZION AND RISING SUN BY 1055 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM EDT SATURDAY MORNING
FOR NORTHERN DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN NEW
JERSEY AND EASTERN PENNSYLVANIA.
&&
LAT...LON 3972 7608 3972 7606 3963 7579 3948 7578
3952 7599 3954 7603 3954 7604 3954 7606
3960 7611
TIME...MOT...LOC 0243Z 192DEG 28KT 3960 7603
$$
IOVINOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 8:07 PM EDT | Severe Thunderstorm Warning | PHI | Queen Anne's | 41 min |
| Jun 1, 8:30 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent, Queen Anne's | 60 min |
| Jun 1, 9:09 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's, Talbot | 66 min |
| Jun 1, 10:14 PM EDT | Special Weather Statement | PHI | Caroline | 61 min |
| Jun 1, 9:41 PM EDT | Special Weather Statement | PHI | Sussex | 64 min |
| Jun 2, 11:28 AM EDT | Coastal Flood Advisory | PHI | Kent, New Castle, Sussex | 15 hr |
Nearby
Severe Thunderstorm Warnings in Maryland, 2012Severe Thunderstorm Warnings in Delaware, 2012Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.