Alert archive / Maryland / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 180, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 15, 2016, 7:08 PM EDT for 4 counties in Maryland. It was in force for 37 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
- Aug 15, 2016, 7:08 PM EDT (23:08 UTC)
- Expired
- Aug 15, 2016, 7:45 PM EDT
- In force
- 37 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 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 23:10 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 12:00Z, 11.1 hours before the alert went out and 102 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
- 163 J/kg
- Mixed-layer CIN
- -212 J/kg
- Mixed-layer LCL
- 1358 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 12 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
553
WUUS51 KPHI 152308
SVRPHI
MDC011-029-035-041-152345-
/O.NEW.KPHI.SV.W.0180.160815T2308Z-160815T2345Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
708 PM EDT MON AUG 15 2016
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHWESTERN KENT COUNTY IN NORTHEASTERN MARYLAND...
CENTRAL QUEEN ANNE'S COUNTY IN NORTHEASTERN MARYLAND...
CENTRAL CAROLINE COUNTY IN EASTERN MARYLAND...
NORTHEASTERN TALBOT COUNTY IN EASTERN MARYLAND...
* UNTIL 745 PM EDT
* AT 707 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER ARNOLD...OR
NEAR SILLERY BAY...MOVING EAST AT 40 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES.
* LOCATIONS IMPACTED INCLUDE...
CENTERVILLE...CENTREVILLE...OAKLAND...RIDGELY...ROCK HALL...
QUEEN ANNE...JUMPTOWN...STARR...STEVENSVILLE...SKIPTON...
WYE MILLS...CHESTER...CARVILLE...OVERTON...GRIFFIN...HOPE...
GRASONVILLE...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 3904 7631 3898 7628 3897 7622 3900 7617
3903 7624 3909 7623 3915 7627 3909 7582
3881 7588 3886 7620 3893 7620 3896 7625
3891 7624 3894 7628 3893 7630 3889 7629
3896 7631 3888 7634 3889 7637
TIME...MOT...LOC 2307Z 281DEG 36KT 3904 7646
HAIL...<.75IN
WIND...60MPH
$$
PO1 follow-up statement
222
WWUS51 KPHI 152329
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
729 PM EDT MON AUG 15 2016
MDC011-041-152338-
/O.CAN.KPHI.SV.W.0180.000000T0000Z-160815T2345Z/
CAROLINE MD-TALBOT MD-
729 PM EDT MON AUG 15 2016
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL CAROLINE AND
NORTHEASTERN TALBOT COUNTIES IS CANCELLED...
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS WEAKENED,
THEREFORE THE WARNING HAS BEEN CANCELLED.
LAT...LON 3904 7631 3898 7628 3897 7622 3900 7617
3903 7624 3909 7623 3915 7627 3910 7590
3897 7600 3893 7618 3896 7624 3894 7626
3892 7625 3894 7627 3893 7630 3896 7631
3888 7634 3889 7637
TIME...MOT...LOC 2328Z 274DEG 31KT 3906 7626
$$
MDC029-035-152345-
/O.CON.KPHI.SV.W.0180.000000T0000Z-160815T2345Z/
KENT MD-QUEEN ANNE'S MD-
729 PM EDT MON AUG 15 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR SOUTHWESTERN KENT AND CENTRAL QUEEN ANNE'S COUNTIES...
AT 728 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR OVERTON...OR 9
MILES EAST OF GIBSON ISLAND...MOVING EAST AT 35 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES.
LOCATIONS IMPACTED INCLUDE...
CENTERVILLE...CENTREVILLE...ROCK HALL...CHESTER...STARR...
STEVENSVILLE...CARVILLE...OVERTON...HOPE...GRASONVILLE...
QUEENSTOWN...STEVENSVILLE SOUTH AND DOMINION.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3904 7631 3898 7628 3897 7622 3900 7617
3903 7624 3909 7623 3915 7627 3910 7590
3897 7600 3893 7618 3896 7624 3894 7626
3892 7625 3894 7627 3893 7630 3896 7631
3888 7634 3889 7637
TIME...MOT...LOC 2328Z 274DEG 31KT 3906 7626
HAIL...<.75IN
WIND...60MPH
$$
POThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 8:46 PM EDT | Special Weather Statement | PHI | Kent, Queen Anne's, Talbot | 29 min |
| Aug 14, 9:01 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 44 min |
| Aug 14, 9:34 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent | 56 min |
| Aug 14, 9:42 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's | 49 min |
| Aug 14, 9:49 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 41 min |
| Aug 15, 3:21 PM EDT | Heat Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 29 hr |
| Aug 15, 6:56 PM EDT | Special Weather Statement | PHI | Kent, Queen Anne's | 64 min |
| Aug 15, 7:49 PM EDT | Special Weather Statement | PHI | Kent | 41 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.