Alert archive / Maryland / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 99, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 8, 2014, 7:20 PM EDT for Caroline County, Talbot County, Maryland. It was in force for 70 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 8, 2014, 7:20 PM EDT (23:20 UTC)
- Expired
- Jul 8, 2014, 8:30 PM EDT
- In force
- 70 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Caroline County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 59 km from the middle of the area, began a volume at 23:23 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 8, 5:05 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 11.3 hours before the alert went out and 76 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
- 132 J/kg
- Mixed-layer CIN
- -176 J/kg
- Mixed-layer LCL
- 1646 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 123 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
712
WUUS51 KPHI 082320
SVRPHI
MDC011-041-090030-
/O.NEW.KPHI.SV.W.0099.140708T2320Z-140709T0030Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
720 PM EDT TUE JUL 8 2014
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CAROLINE COUNTY IN EASTERN MARYLAND...
TALBOT COUNTY IN EASTERN MARYLAND...
* UNTIL 830 PM EDT
* AT 714 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS. THESE SEVERE STORMS EXTENDED FROM
ROSEDALE TO CAPE ARTHUR TO SHADY SIDE...MOVING EAST AT 45 MPH.
THESE STORMS ARE CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN EXCESS
OF 70 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
TILGHMAN ISLAND AND TALBOT AROUND 755 PM EDT...
WYE MILLS AND ST. MICHAELS AROUND 800 PM EDT...
SKIPTON AROUND 805 PM EDT...
EASTON AND OXFORD AROUND 810 PM EDT...
GOLDSBORO AND TRAPPE AROUND 815 PM EDT...
DENTON AND WINDYHILL AROUND 820 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS LINE OF STORMS HAS PRODUCED WIDESPREAD WIND DAMAGE AS IT MOVED
THROUGH WESTERN AND CENTRAL MARYLAND.
WIND DAMAGE WITH THIS LINE OF SEVERE THUNDERSTORMS MAY OCCUR WELL
AHEAD OF ANY RAIN OR LIGHTNING. DO NOT WAIT FOR THE SOUND OF THUNDER
BEFORE TAKING COVER.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
TUESDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY
AND EASTERN PENNSYLVANIA. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN
EFFECT UNTIL MIDNIGHT EDT WEDNESDAY MORNING FOR NORTHEAST NEW JERSEY.
&&
LAT...LON 3876 7636 3887 7626 3881 7621 3887 7619
3888 7610 3894 7610 3892 7595 3910 7584
3914 7575 3865 7571 3869 7577 3869 7589
3857 7604 3859 7612 3873 7626 3871 7631
3867 7634 3868 7635 3878 7638
TIME...MOT...LOC 2319Z 282DEG 41KT 3931 7657 3901 7668
3878 7691
$$
FORECASTER: AMC1 follow-up statement
568
WWUS51 KPHI 090013
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
813 PM EDT TUE JUL 8 2014
MDC011-041-090030-
/O.CON.KPHI.SV.W.0099.000000T0000Z-140709T0030Z/
CAROLINE MD-TALBOT MD-
813 PM EDT TUE JUL 8 2014
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR TALBOT AND CAROLINE COUNTIES...
AT 811 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 8 MILES WEST OF MARYDEL TO 6 MILES SOUTH OF TILGHMAN
ISLAND...OR ALONG A LINE EXTENDING FROM 11 MILES NORTHEAST OF
CENTERVILLE TO 15 MILES NORTHWEST OF CAMBRIDGE...MOVING EAST AT 40
MPH.
SEVERE THUNDERSTORMS WILL BE NEAR...
HILLSBORO...EASTON...OXFORD AND JUMPTOWN BY 820 PM EDT...
MARYDEL...HENDERSON...GOLDSBORO AND RIDGELY BY 825 PM EDT...
TRAPPE AND TANYARD BY 830 PM EDT...
WIND DAMAGE WITH THIS STORM WILL OCCUR WELL AHEAD OF ANY RAIN OR
LIGHTNING. DO NOT WAIT FOR THE SOUND OF THUNDER BEFORE TAKING COVER.
SEEK SHELTER IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
TUESDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY
AND EASTERN PENNSYLVANIA. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN
EFFECT UNTIL MIDNIGHT EDT WEDNESDAY MORNING FOR NORTHEAST NEW JERSEY.
LAT...LON 3876 7636 3887 7626 3881 7621 3887 7619
3888 7610 3894 7610 3892 7595 3910 7584
3914 7575 3865 7571 3869 7577 3869 7589
3857 7604 3859 7612 3873 7626 3871 7631
3867 7634 3868 7635 3878 7638
TIME...MOT...LOC 0013Z 285DEG 33KT 3913 7588 3865 7630
$$
AMCThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 7:03 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent, Queen Anne's | 72 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 2014Every severe thunderstorm warning in 2014
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.