Alert archive / Maryland / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 49, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 25, 2013, 11:01 PM EDT for Caroline County, Queen Anne's County, Talbot County, Maryland; Kent County, Delaware. It was in force for 59 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 25, 2013, 11:01 PM EDT (03:01 UTC)
- Expired
- Jun 26, 2013, 12:00 AM EDT
- In force
- 59 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Kent County, DE, Caroline County, MD, Queen Anne's County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 51 km from the middle of the area, began a volume at 03:02 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, 11:50 PM EDT | TSTM WND DMG | Trappe, MD | TREE DOWN ALONG LLOYDS LANDING ROAD DUE TO THUNDERSTORM OUTFLOW WINDS. |
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, 3.0 hours before the alert went out and 120 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.
985
WUUS51 KPHI 260301
SVRPHI
DEC001-MDC011-035-041-260400-
/O.NEW.KPHI.SV.W.0049.130626T0301Z-130626T0400Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1101 PM EDT TUE JUN 25 2013
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
KENT COUNTY IN CENTRAL DELAWARE...
CAROLINE COUNTY IN EASTERN MARYLAND...
QUEEN ANNE'S COUNTY IN NORTHEAST MARYLAND...
TALBOT COUNTY IN EASTERN MARYLAND...
* UNTIL MIDNIGHT EDT
* AT 1059 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS. THESE SEVERE STORMS EXTENDED FROM
BETTERTON TO ROCK HALL TO ANNAPOLIS...MOVING SOUTHEAST AT 40 MPH.
THESE STORMS ARE CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
STEVENSVILLE AROUND 1110 PM EDT...
CHURCH HILL AND CENTREVILLE AROUND 1115 PM EDT...
GRASONVILLE AND SUDLERSVILLE AROUND 1120 PM EDT...
WYE MILLS AND STARR AROUND 1125 PM EDT...
CLAYTON AND SMYRNA AROUND 1130 PM EDT...
CHESWOLD AND WOODLAND BEACH AROUND 1135 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE STRONGEST WINDS WILL OCCUR ALONG THE GUST FRONT AHEAD OF THE
HEAVY RAIN.
THIS LINE OF SEVERE THUNDERSTORMS HAS A HISTORY OF PRODUCING WIND
DAMAGE. DO NOT STAY OUTDOORS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM EDT
WEDNESDAY MORNING FOR DELAWARE AND NORTHEASTERN MARYLAND.
&&
LAT...LON 3887 7625 3881 7621 3882 7620 3894 7624
3884 7639 3905 7631 3899 7627 3924 7601
3937 7551 3931 7543 3906 7538 3884 7557
3883 7573 3867 7572 3870 7589 3857 7604
3873 7626 3867 7635 3877 7639
TIME...MOT...LOC 0301Z 307DEG 35KT 3935 7601 3913 7623
3898 7657
$$
ROBERTSON1 follow-up statement
694
WWUS51 KPHI 260338
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1138 PM EDT TUE JUN 25 2013
DEC001-MDC011-035-041-260400-
/O.CON.KPHI.SV.W.0049.000000T0000Z-130626T0400Z/
KENT DE-CAROLINE MD-QUEEN ANNE'S MD-TALBOT MD-
1138 PM EDT TUE JUN 25 2013
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EDT
FOR TALBOT...SOUTHERN QUEEN ANNE'S...CAROLINE AND KENT COUNTIES...
AT 1136 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM WOODLAND BEACH TO RIDGELY TO TILGHMAN ISLAND...MOVING
SOUTHEAST AT 40 MPH.
SEVERE THUNDERSTORMS WILL BE NEAR...
WOODSIDE AND WOODSIDE EAST AROUND 1145 PM EDT...
RIVERVIEW AND MAGNOLIA AROUND 1150 PM EDT...
HOUSTON AND HARRINGTON AROUND 1155 PM EDT...
FEDERALSBURG AROUND MIDNIGHT EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE STRONGEST WINDS WILL OCCUR ALONG THE GUST FRONT AHEAD OF THE
HEAVY RAIN.
THIS LINE OF SEVERE THUNDERSTORMS HAS A HISTORY OF PRODUCING WIND
DAMAGE. DO NOT STAY OUTDOORS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM EDT
WEDNESDAY MORNING FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN
NEW JERSEY AND SOUTHEASTERN PENNSYLVANIA.
&&
LAT...LON 3887 7625 3881 7621 3882 7620 3894 7624
3884 7639 3890 7637 3906 7602 3936 7550
3931 7543 3906 7538 3884 7557 3883 7573
3867 7572 3870 7589 3857 7604 3873 7626
3867 7635 3877 7639
TIME...MOT...LOC 0337Z 307DEG 35KT 3929 7544 3893 7582
3871 7633
$$
ROBERTSONThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 10:28 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent | 62 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 |
| Jun 25, 10:47 PM EDT | Special Weather Statement | PHI | New Castle | 58 min |
| Jun 25, 11:50 PM EDT | Special Weather Statement | PHI | Sussex | 55 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.