Alert archive / Maryland / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 110, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 9, 2014, 4:39 PM EDT for Cecil County, Kent County, 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
- Jul 9, 2014, 4:39 PM EDT (20:39 UTC)
- Expired
- Jul 9, 2014, 5:16 PM EDT
- In force
- 37 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Cecil County, MD, Kent County, MD
The radar
The Dover AFB radar (KDOX), 94 km from the middle of the area, began a volume at 20:42 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 9, 4:12 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 8.7 hours before the alert went out and 9 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
- 159 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 1115 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- -24 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.6
The text
As transmitted, in the capitals the NWS used until 2016.
738
WUUS51 KPHI 092039
SVRPHI
MDC015-029-092200-
/O.NEW.KPHI.SV.W.0110.140709T2039Z-140709T2200Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
439 PM EDT WED JUL 9 2014
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CECIL COUNTY IN NORTHEAST MARYLAND...
NORTHEASTERN KENT COUNTY IN NORTHEAST MARYLAND...
* UNTIL 600 PM EDT
* AT 436 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM. THE STORM WAS NEAR JOPPA...MOVING EAST AT 30
MPH. THIS STORM IS CAPABLE OF PRODUCING HAIL AS LARGE AS QUARTERS...
AND DAMAGING WINDS IN EXCESS OF 60 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
NORTHEAST...CECILTON...BETTERTON...ZION...WOODLAWN...WEST
NOTTINGHAM...WARWICK...SASSAFRAS...PLEASANT HILL...NORTH EAST...
LOMBARD...HOLLYWOOD BEACH...GLEN WESTOVER...FARMINGTON...FAIR
HILL...ELKTON...CHERRY HILL...CHARLESTOWN...CAYOTS...CALVERT...
BRANTWOOD...BOHEMIAS MILLS...BLAKE...BAY VIEW...BARKSDALE...
APPLETON AND ANDORA
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...MOVE INDOORS TO A
STURDY BUILDING AND STAY AWAY FROM WINDOWS. WHEN IT IS SAFE TO DO
SO...REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR TO THE
NATIONAL WEATHER SERVICE.
THIS THUNDERSTORM HAS PROMPTED MULTIPLE SEVERE THUNDERSTORM
WARNINGS ACROSS THE NORTHERN TIER OF MARYLAND.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
WEDNESDAY EVENING FOR NORTHERN DELAWARE AND NORTHEAST MARYLAND AND
NEW JERSEY AND EASTERN PENNSYLVANIA.
&&
LAT...LON 3966 7616 3972 7595 3972 7578 3931 7576
3935 7614 3938 7611 3938 7606 3943 7601
3946 7602 3952 7599 3955 7603 3954 7608
3957 7610 3957 7609 3956 7608 3957 7608
3964 7616
TIME...MOT...LOC 2038Z 269DEG 27KT 3947 7633
$$
TFG1 follow-up statement
679
WWUS51 KPHI 092116
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
516 PM EDT WED JUL 9 2014
MDC015-029-092126-
/O.CAN.KPHI.SV.W.0110.000000T0000Z-140709T2200Z/
CECIL MD-KENT MD-
516 PM EDT WED JUL 9 2014
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN KENT AND CECIL
COUNTIES IS CANCELLED...
THE THUNDERSTORM COLLAPSED AS IT WAS CROSSING THE SUSQUEHANNA RIVER
AND NO LONGER POSES A SEVERE THREAT.
LAT...LON 3966 7616 3972 7595 3972 7578 3931 7576
3935 7614 3938 7611 3938 7606 3943 7601
3946 7602 3952 7599 3955 7603 3954 7608
3957 7610 3957 7609 3956 7608 3957 7608
3964 7616
TIME...MOT...LOC 2116Z 269DEG 27KT 3947 7596
$$
TFGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 8:35 PM EDT | Special Weather Statement | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 55 min |
| Jul 9, 6:46 PM EDT | Special Weather Statement | PHI | Talbot | 89 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.