Alert archive / Maryland / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 48, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 19, 2015, 2:55 AM EDT for 4 counties in Maryland; Kent County, Sussex County, Delaware. It was in force for 50 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
- Jun 19, 2015, 2:55 AM EDT (06:55 UTC)
- Expired
- Jun 19, 2015, 3:45 AM EDT
- In force
- 50 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Kent County, DE, Sussex County, DE, Caroline County, MD, Kent County, MD, Queen Anne's County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 64 km from the middle of the area, began a volume at 06:55 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
Washington/Dulle, VA (KIAD), launched 00:00Z, 6.9 hours before the alert went out and 107 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
- 702 J/kg
- Mixed-layer CIN
- -68 J/kg
- Mixed-layer LCL
- 1343 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 119 m²/s²
- 0-3 km storm-relative helicity
- 188 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.4
The text
As transmitted, in the capitals the NWS used until 2016.
436
WUUS51 KPHI 190655
SVRPHI
DEC001-005-MDC011-029-035-041-190745-
/O.NEW.KPHI.SV.W.0048.150619T0655Z-150619T0745Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
255 AM EDT FRI JUN 19 2015
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WEST CENTRAL SUSSEX COUNTY IN SOUTHERN DELAWARE...
SOUTHWESTERN KENT COUNTY IN CENTRAL DELAWARE...
CENTRAL QUEEN ANNE'S COUNTY IN NORTHEASTERN MARYLAND...
CAROLINE COUNTY IN EASTERN MARYLAND...
SOUTHWESTERN KENT COUNTY IN NORTHEASTERN MARYLAND...
NORTHEASTERN TALBOT COUNTY IN EASTERN MARYLAND...
* UNTIL 345 AM EDT
* AT 254 AM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM
WAS LOCATED NEAR OVERTON...OR NEAR CENTERVILLE...AND MOVING EAST AT
35 MPH.
* LOCATIONS IMPACTED INCLUDE...
CENTERVILLE...DENTON...CENTREVILLE...HARRINGTON...CAMDEN...
BRIDGEVILLE...GREENSBORO...OAKLAND...RIDGELY...GOLDSBORO...QUEEN
ANNE...WOODSIDE...VIOLA...STARR...ANDREWSVILLE...HOPE...
GRASONVILLE...CORDOVA...JUMPTOWN AND SKIPTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...LARGE HAIL...DEADLY
LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION...MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.
&&
LAT...LON 3898 7627 3897 7622 3900 7617 3903 7624
3911 7623 3910 7555 3873 7561 3891 7621
3894 7621 3894 7624 3897 7625 3892 7626
3892 7627 3894 7627 3894 7629
TIME...MOT...LOC 0654Z 286DEG 32KT 3900 7617
$$
PO1 follow-up statement
310
WWUS51 KPHI 190741
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
341 AM EDT FRI JUN 19 2015
DEC001-005-MDC011-029-035-041-190751-
/O.EXP.KPHI.SV.W.0048.000000T0000Z-150619T0745Z/
SUSSEX DE-KENT DE-QUEEN ANNE'S MD-CAROLINE MD-KENT MD-TALBOT MD-
341 AM EDT FRI JUN 19 2015
...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL SUSSEX...
SOUTHWESTERN KENT...CENTRAL QUEEN ANNE'S...CAROLINE...SOUTHWESTERN
KENT AND NORTHEASTERN TALBOT COUNTIES WILL EXPIRE AT 345 AM EDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.
LAT...LON 3898 7627 3897 7622 3900 7617 3903 7624
3911 7623 3910 7555 3873 7561 3891 7621
3894 7621 3894 7624 3897 7625 3892 7626
3892 7627 3894 7627 3894 7629
TIME...MOT...LOC 0740Z 286DEG 32KT 3900 7617
$$
POThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 10:57 PM EDT | Special Weather Statement | PHI | Caroline, Queen Anne's, Talbot | 63 min |
| Jun 19, 12:00 AM EDT | Special Weather Statement | PHI | Caroline, Queen Anne's, Talbot | 60 min |
| Jun 19, 1:42 AM EDT | Special Weather Statement | PHI | Cecil | 63 min |
| Jun 19, 2:50 AM EDT | Special Weather Statement | PHI | Caroline, Kent, Queen Anne's | 55 min |
| Jun 19, 2:18 PM EDT | Flood Watch | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 40 hr |
Nearby
Severe Thunderstorm Warnings in Maryland, 2015Severe Thunderstorm Warnings in Delaware, 2015Every severe thunderstorm warning in 2015
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.