Alert archive / Maryland / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 156, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 28, 2016, 5:14 PM EDT for 4 counties in Maryland. It was in force for 46 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 28, 2016, 5:14 PM EDT (21:14 UTC)
- Expired
- Jul 28, 2016, 6:00 PM EDT
- In force
- 46 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), 70 km from the middle of the area, began a volume at 21:16 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 28, 1:27 PM EDT | Severe Thunderstorm Watch | SPC | 11 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 9.2 hours before the alert went out and 100 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
- 552 J/kg
- Mixed-layer CIN
- -98 J/kg
- Mixed-layer LCL
- 1083 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted.
826
WUUS51 KPHI 282114
SVRPHI
MDC011-029-035-041-282200-
/O.NEW.KPHI.SV.W.0156.160728T2114Z-160728T2200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
514 PM EDT THU JUL 28 2016
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHWESTERN KENT COUNTY IN NORTHEASTERN MARYLAND...
NORTHWESTERN TALBOT COUNTY IN EASTERN MARYLAND...
QUEEN ANNE'S COUNTY IN NORTHEASTERN MARYLAND...
CENTRAL CAROLINE COUNTY IN EASTERN MARYLAND...
* UNTIL 600 PM EDT
* AT 513 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER
OVERTON...OR 9 MILES EAST OF GIBSON ISLAND...MOVING EAST AT 25 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...TALBOT...CHESTERTOWN...CENTREVILLE...
ROMANCOKE...OAKLAND...RIDGELY...ST. MICHAELS...CHURCH HILL...
SUDLERSVILLE...QUEEN ANNE...OLD TOWN...STARR...HOPE...
GRASONVILLE...CORDOVA...JUMPTOWN...COPPERVILLE AND TANYARD.
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 3894 7636 3900 7617 3922 7624 3919 7579
3872 7590 3880 7631 3882 7631 3886 7626
3879 7620 3879 7619 3893 7620 3896 7625
3892 7625 3894 7628 3891 7630 3895 7632
3891 7634 3887 7633 3884 7637 3885 7637
TIME...MOT...LOC 2113Z 284DEG 22KT 3904 7626
HAIL...1.00IN
WIND...60MPH
$$
ROBERTSON1 follow-up statement
222
WWUS51 KPHI 282132
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
532 PM EDT THU JUL 28 2016
MDC029-282142-
/O.CAN.KPHI.SV.W.0156.000000T0000Z-160728T2200Z/
KENT MD-
532 PM EDT THU JUL 28 2016
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN KENT COUNTY IS
CANCELLED...
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA.THEREFORE THE WARNING HAS BEEN CANCELLED.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT FOR
EASTERN AND NORTHEASTERN MARYLAND.
LAT...LON 3894 7636 3900 7617 3907 7618 3919 7580
3919 7579 3872 7590 3880 7631 3882 7631
3885 7627 3879 7622 3879 7619 3894 7621
3895 7622 3896 7625 3892 7625 3894 7627
3891 7630 3892 7633 3887 7634 3884 7637
TIME...MOT...LOC 2132Z 307DEG 17KT 3910 7583 3900 7610 3891 7638
$$
MDC011-035-041-282200-
/O.CON.KPHI.SV.W.0156.000000T0000Z-160728T2200Z/
TALBOT MD-QUEEN ANNE'S MD-CAROLINE MD-
532 PM EDT THU JUL 28 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR NORTHWESTERN TALBOT...QUEEN ANNE'S AND CENTRAL CAROLINE
COUNTIES...
AT 532 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR GOLDSBORO TO NEAR CENTERVILLE TO NEAR
ROMANCOKE... MOVING SOUTHEAST AT 20 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...TALBOT...CENTREVILLE...OAKLAND...RIDGELY...ST.
MICHAELS...QUEEN ANNE...JUMPTOWN...STARR...COPPERVILLE...TANYARD...SKIPTON...
WYE MILLS...CARVILLE...GRIFFIN...HOPE...MATTHEWS...STARKEY CORNER AND
GRASONVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3894 7636 3900 7617 3907 7618 3919 7580
3919 7579 3872 7590 3880 7631 3882 7631
3885 7627 3879 7622 3879 7619 3894 7621
3895 7622 3896 7625 3892 7625 3894 7627
3891 7630 3892 7633 3887 7634 3884 7637
TIME...MOT...LOC 2132Z 307DEG 17KT 3910 7583 3900 7610 3891 7638
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 28, 12:52 PM EDT | Tornado Warning | PHI | Caroline, Talbot | 23 min |
| Jul 28, 1:20 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 40 min |
| Jul 28, 2:36 PM EDT | Areal Flood Advisory | PHI | Cecil | 4 hr |
| Jul 28, 3:52 PM EDT | Special Weather Statement | PHI | Kent | 38 min |
| Jul 28, 3:54 PM EDT | Areal Flood Advisory | PHI | Cecil, Kent | 4 hr |
| Jul 28, 4:31 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's | 44 min |
| Jul 28, 4:56 PM EDT | Areal Flood Advisory | PHI | Caroline, Kent, Queen Anne's | 4 hr |
| Jul 28, 5:56 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's, Talbot | 49 min |
| Jul 28, 6:12 PM EDT | Special Weather Statement | PHI | Caroline | 48 min |
| Jul 28, 6:15 PM EDT | Areal Flood Advisory | PHI | Caroline, Queen Anne's, Talbot | 4 hr |
| Jul 28, 6:25 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 65 min |
| Jul 28, 6:53 PM EDT | Areal Flood Advisory | PHI | Caroline, Talbot | 4 hr |
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.