Alert archive / Maryland / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 118, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 19, 2016, 11:35 PM EDT for 4 counties in Maryland. It was in force for 55 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
- Jul 19, 2016, 11:35 PM EDT (03:35 UTC)
- Expired
- Jul 20, 2016, 12:30 AM EDT
- In force
- 55 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Caroline County, MD, Kent County, MD, Queen Anne's County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 59 km from the middle of the area, began a volume at 03:36 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, 3.6 hours before the alert went out and 113 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
- 965 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 1760 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- 37 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.2
The text
As transmitted.
025
WUUS51 KPHI 200335
SVRPHI
MDC011-029-035-041-200430-
/O.NEW.KPHI.SV.W.0118.160720T0335Z-160720T0430Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1135 PM EDT TUE JUL 19 2016
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN KENT COUNTY IN NORTHEASTERN MARYLAND...
NORTH CENTRAL TALBOT COUNTY IN EASTERN MARYLAND...
CENTRAL QUEEN ANNE'S COUNTY IN NORTHEASTERN MARYLAND...
CENTRAL CAROLINE COUNTY IN EASTERN MARYLAND...
* UNTIL 1230 AM EDT
* AT 1134 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER
CENTREVILLE... OR OVER CENTERVILLE...MOVING SOUTHEAST AT 15 MPH.
HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE
TO ROOFS...SIDING...AND TREES.
* LOCATIONS IMPACTED INCLUDE...
EASTON...CENTERVILLE...DENTON...CENTREVILLE...RIDGELY...
QUEEN ANNE...JUMPTOWN...STARR...SKIPTON...WYE MILLS...CARVILLE...
GRIFFIN...MATTHEWS...CORDOVA...QUEENSTOWN AND HILLSBORO.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.
&&
LAT...LON 3912 7610 3888 7574 3873 7608 3899 7618
3900 7617 3901 7618 3906 7620
TIME...MOT...LOC 0334Z 327DEG 14KT 3902 7610
HAIL...1.00IN
WIND...60MPH
$$
ROBERTSON1 follow-up statement
604
WWUS51 KPHI 200401
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1201 AM EDT WED JUL 20 2016
MDC011-029-035-041-200430-
/O.CON.KPHI.SV.W.0118.000000T0000Z-160720T0430Z/
KENT MD-TALBOT MD-QUEEN ANNE'S MD-CAROLINE MD-
1201 AM EDT WED JUL 20 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM EDT
FOR SOUTHERN KENT...NORTH CENTRAL TALBOT...CENTRAL QUEEN ANNE'S AND
CENTRAL CAROLINE COUNTIES...
AT 1200 AM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER WYE
MILLS...OR 7 MILES SOUTH OF CENTERVILLE...MOVING SOUTHEAST AT 15 MPH.
HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
ROOFS...SIDING...AND TREES.
LOCATIONS IMPACTED INCLUDE...
EASTON...CENTERVILLE...DENTON...CENTREVILLE...RIDGELY...QUEEN ANNE...
JUMPTOWN...STARR...SKIPTON...WYE MILLS...CARVILLE...GRIFFIN...
MATTHEWS...CORDOVA...QUEENSTOWN AND HILLSBORO.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
A BUILDING.
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.
TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.
ANOTHER SEVERE STORM MAY MOVE INTO THE NORTHERN PORTION OF
THIS WARNING FROM THE NORTH BEFORE IT EXPIRES.
&&
LAT...LON 3912 7610 3888 7574 3873 7608 3899 7618
3900 7617 3901 7618 3906 7620
TIME...MOT...LOC 0400Z 327DEG 14KT 3893 7603
HAIL...1.00IN
WIND...60MPH
$$
ROBERTSONThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 11:06 PM EDT | Special Weather Statement | PHI | Talbot | 24 min |
| Jul 19, 11:08 PM EDT | Special Weather Statement | PHI | Kent, Queen Anne's | 37 min |
| Jul 19, 11:15 PM EDT | Severe Thunderstorm Warning | PHI | Queen Anne's, Talbot | 60 min |
| Jul 19, 11:41 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's | 49 min |
| Jul 20, 12:15 AM EDT | Areal Flood Advisory | PHI | Caroline, Kent, Queen Anne's, Talbot | 4 hr |
| Jul 20, 12:31 AM EDT | Special Weather Statement | PHI | Caroline | 44 min |
| Jul 20, 12:32 AM EDT | Special Weather Statement | PHI | Queen Anne's | 43 min |
| Jul 20, 1:11 AM EDT | Special Weather Statement | PHI | Caroline | 49 min |
| Jul 20, 1:14 AM EDT | Special Weather Statement | PHI | Queen Anne's | 46 min |
| Jul 20, 1:17 AM EDT | Special Weather Statement | PHI | Caroline | 43 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 2016Every severe thunderstorm warning in 2016
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.