Alert archive / Maryland / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 48, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 25, 2013, 10:28 PM EDT for New Castle County, Delaware; Cecil County, Kent County, Maryland. It was in force for 62 min. 2 reports 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 25, 2013, 10:28 PM EDT (02:28 UTC)
- Expired
- Jun 25, 2013, 11:30 PM EDT
- In force
- 62 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties New Castle County, DE, Cecil County, MD, Kent County, MD
The radar
The Dover AFB radar (KDOX), 74 km from the middle of the area, began a volume at 02:30 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 25, 10:40 PM EDT | TSTM WND DMG | Port Deposit, MD | TREES AND WIRES DOWN. |
| Jun 25, 10:55 PM EDT | TSTM WND DMG | Elkton, MD | TREES AND WIRES DOWN. |
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 25, 8:46 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 2.5 hours before the alert went out and 127 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
- 813 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 1785 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 201 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.6
The text
As transmitted, in the capitals the NWS used until 2016.
344
WUUS51 KPHI 260228
SVRPHI
DEC003-MDC015-029-260330-
/O.NEW.KPHI.SV.W.0048.130626T0228Z-130626T0330Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1028 PM EDT TUE JUN 25 2013
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN NEW CASTLE COUNTY IN NORTHERN DELAWARE...
CECIL COUNTY IN NORTHEAST MARYLAND...
KENT COUNTY IN NORTHEAST MARYLAND...
* UNTIL 1130 PM EDT
* AT 1024 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS. THESE SEVERE STORMS EXTENDED FROM
NORTH OF BALTIMORE TO LANCASTER COUNTY IN PENNSYLVANIA. THE STORMS
WERE MOVING SOUTHEAST AT 45 MPH. THESE STORMS ARE CAPABLE OF
PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
RISING SUN AROUND 1035 PM EDT...
ZION AND WOODLAWN AROUND 1040 PM EDT...
PLEASANT HILL AND GLEN WESTOVER AROUND 1045 PM EDT...
NEWARK AND NORTH EAST AROUND 1050 PM EDT...
BETTERTON AND NEWTOWN AROUND 1055 PM EDT...
CAYOTS AND BEAR AROUND 1100 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS LINE OF SEVERE THUNDERSTORMS HAS A HISTORY OF PRODUCING WIND
DAMAGE. DO NOT STAY OUTDOORS.
&&
LAT...LON 3918 7628 3932 7619 3943 7601 3952 7599
3955 7603 3954 7608 3972 7623 3972 7578
3974 7576 3937 7550 3929 7565 3930 7576
3924 7578 3924 7601 3919 7607 3917 7604
3906 7620 3901 7618 3900 7621 3903 7625
TIME...MOT...LOC 0227Z 312DEG 39KT 4000 7583 3914 7695
$$
IOVINO1 follow-up statement
450
WWUS51 KPHI 260315
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1115 PM EDT TUE JUN 25 2013
DEC003-MDC015-029-260330-
/O.CON.KPHI.SV.W.0048.000000T0000Z-130626T0330Z/
NEW CASTLE DE-CECIL MD-KENT MD-
1115 PM EDT TUE JUN 25 2013
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM EDT
FOR KENT...SOUTHEASTERN CECIL AND SOUTHERN NEW CASTLE COUNTIES...
AT 1110 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM SAINT GEORGES TO CHESAPEAKE CITY...MOVING SOUTHEAST
AT 45 MPH.
SEVERE THUNDERSTORMS WILL BE NEAR...
SASSAFRAS AND MIDDLETOWN AROUND 1120 PM EDT...
MILLINGTON AROUND 1125 PM EDT...
CHAMBERSVILLE AND GREEN SPRING AROUND 1130 PM EDT...
LAT...LON 3932 7619 3943 7601 3952 7599 3955 7603
3955 7606 3974 7576 3937 7550 3929 7565
3930 7576 3924 7578 3926 7587 3924 7601
3919 7607 3917 7605 3906 7620 3901 7618
3900 7621 3903 7625 3918 7628
TIME...MOT...LOC 0314Z 312DEG 39KT 3972 7541 3887 7654
$$
IOVINOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 10:47 PM EDT | Special Weather Statement | PHI | New Castle | 58 min |
| Jun 25, 11:01 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 59 min |
| Jun 25, 11:50 PM EDT | Special Weather Statement | PHI | Sussex | 55 min |
| Jun 26, 5:28 PM EDT | Special Weather Statement | PHI | Kent | 47 min |
| Jun 26, 6:13 PM EDT | Special Weather Statement | PHI | Kent | 32 min |
| Jun 26, 7:26 PM EDT | Special Weather Statement | PHI | Queen Anne's | 49 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 2013Severe Thunderstorm Warnings in Delaware, 2013Every severe thunderstorm warning in 2013
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.