Alert archive / Maryland / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 158, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 28, 2016, 5:56 PM EDT for Caroline County, Queen Anne's County, Talbot County, Maryland. It was in force for 49 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, 5:56 PM EDT (21:56 UTC)
- Expired
- Jul 28, 2016, 6:45 PM EDT
- In force
- 49 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Caroline County, MD, Queen Anne's County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 66 km from the middle of the area, began a volume at 21:59 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, 9.9 hours before the alert went out and 104 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.
634
WUUS51 KPHI 282156
SVRPHI
MDC011-035-041-282300-
/O.NEW.KPHI.SV.W.0158.160728T2156Z-160728T2300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
556 PM EDT THU JUL 28 2016
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
TALBOT COUNTY IN EASTERN MARYLAND...
SOUTHWESTERN QUEEN ANNE'S COUNTY IN NORTHEASTERN MARYLAND...
SOUTHERN CAROLINE COUNTY IN EASTERN MARYLAND...
* UNTIL 700 PM EDT
* AT 556 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR KENT
POINT... OR 7 MILES SOUTHEAST OF SHADY SIDE...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...TALBOT...FEDERALSBURG...TRAPPE...ST. MICHAELS...PRESTON...
OXFORD...CHOPTANK...COPPERVILLE...HARMONY...TANYARD...SKIPTON...
AGNER...SMITHVILLE...CHESTER...WINDYHILL...GRIFFIN...MATTHEWS...
GRASONVILLE AND CORDOVA.
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 3886 7626 3886 7625 3879 7620 3879 7619
3894 7621 3889 7629 3896 7631 3885 7637
3884 7637 3885 7638 3894 7636 3897 7635
3899 7633 3884 7572 3864 7570 3870 7590
3858 7602 3876 7630 3868 7635
TIME...MOT...LOC 2156Z 294DEG 18KT 3879 7640
HAIL...1.00IN
WIND...60MPH
$$
ROBERTSON2 follow-up statements
553
WWUS51 KPHI 282228
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
628 PM EDT THU JUL 28 2016
MDC035-282237-
/O.CAN.KPHI.SV.W.0158.000000T0000Z-160728T2300Z/
QUEEN ANNE'S MD-
628 PM EDT THU JUL 28 2016
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN QUEEN ANNE'S
COUNTY IS CANCELLED...
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS WEAKENED AND
MOVED OUT OF THE WARNED AREA. THEREFORE THE WARNING HAS BEEN
CANCELLED.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT FOR
SOUTHERN AND CENTRAL DELAWARE...AND EASTERN MARYLAND.
LAT...LON 3874 7628 3882 7622 3879 7620 3879 7619
3883 7619 3887 7610 3884 7587 3884 7572
3877 7571 3865 7574 3870 7590 3858 7602
TIME...MOT...LOC 2227Z 299DEG 21KT 3870 7619
$$
MDC011-041-282300-
/O.CON.KPHI.SV.W.0158.000000T0000Z-160728T2300Z/
TALBOT MD-CAROLINE MD-
628 PM EDT THU JUL 28 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR TALBOT AND SOUTHERN CAROLINE COUNTIES...
AT 627 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER OXFORD...OR 8
MILES SOUTHWEST OF EASTON...MOVING SOUTHEAST 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...FEDERALSBURG...TRAPPE...ST. MICHAELS...PRESTON...OXFORD...
CHOPTANK...COPPERVILLE...HARMONY...TANYARD...AGNER...SMITHVILLE...
WINDYHILL...MATTHEWS...HAMBLETON AND CORDOVA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3874 7628 3882 7622 3879 7620 3879 7619
3883 7619 3887 7610 3884 7587 3884 7572
3877 7571 3865 7574 3870 7590 3858 7602
TIME...MOT...LOC 2227Z 299DEG 21KT 3870 7619
HAIL...1.00IN
WIND...60MPH
$$
ROBERTSON401
WWUS51 KPHI 282245
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
645 PM EDT THU JUL 28 2016
MDC011-041-282254-
/O.CAN.KPHI.SV.W.0158.000000T0000Z-160728T2300Z/
TALBOT MD-CAROLINE MD-
645 PM EDT THU JUL 28 2016
...THE SEVERE THUNDERSTORM WARNING FOR TALBOT AND SOUTHERN CAROLINE
COUNTIES IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING HAS BEEN CANCELLED. HOWEVER GUSTY WINDS AND
HEAVY RAIN ARE STILL POSSIBLE ACROSS THE AREA WITH ADDITIONAL
THUNDERSTORMS EXPECTED.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT FOR
SOUTHERN AND CENTRAL DELAWARE...AND EASTERN MARYLAND.
LAT...LON 3874 7628 3882 7622 3879 7620 3879 7619
3883 7619 3887 7610 3884 7587 3884 7572
3877 7571 3865 7574 3870 7590 3858 7602
TIME...MOT...LOC 2242Z 294DEG 18KT 3866 7609
$$
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, 5:14 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 46 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.