Alert archive / Maryland / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 129, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 14, 2014, 7:49 PM EDT for Caroline County, Kent County, Queen Anne's County, Maryland; Kent County, Sussex County, Delaware. It was in force for 51 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 14, 2014, 7:49 PM EDT (23:49 UTC)
- Expired
- Jul 14, 2014, 8:40 PM EDT
- In force
- 51 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Kent County, DE, Sussex County, DE, Caroline County, MD, Kent County, MD, Queen Anne's County, MD
The radar
The Dover AFB radar (KDOX), 5 km from the middle of the area, began a volume at 23:50 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 14, 1:24 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 11.8 hours before the alert went out and 86 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
- 483 J/kg
- Mixed-layer CIN
- -85 J/kg
- Mixed-layer LCL
- 844 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 125 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
588
WUUS51 KPHI 142349
SVRPHI
DEC001-005-MDC011-029-035-150100-
/O.NEW.KPHI.SV.W.0129.140714T2349Z-140715T0100Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
749 PM EDT MON JUL 14 2014
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CENTRAL KENT COUNTY IN NORTHEAST MARYLAND...
KENT COUNTY IN CENTRAL DELAWARE...
NORTHEASTERN CAROLINE COUNTY IN EASTERN MARYLAND...
SUSSEX COUNTY IN SOUTHERN DELAWARE...
NORTHEASTERN QUEEN ANNE'S COUNTY IN NORTHEAST MARYLAND...
* UNTIL 900 PM EDT
* AT 747 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS. THESE SEVERE STORMS EXTENDED FROM OLD
TOWN TO DENTON TO LINKWOOD...MOVING EAST AT 35 MPH. THESE STORMS
ARE CAPABLE OF PRODUCING ONE INCH DIAMETER HAIL...AND DAMAGING
WINDS IN EXCESS OF 60 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
GREENSBORO AND AGNER AROUND 755 PM EDT...
CRUMPTON AND GOLDSBORO AROUND 800 PM EDT...
SUDLERSVILLE AND MILLINGTON AROUND 805 PM EDT...
HARRINGTON AROUND 810 PM EDT...
BRIDGEVILLE AROUND 815 PM EDT...
HARTLY AND VIOLA AROUND 820 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
VERY HEAVY RAIN WILL ALSO OCCUR WITH THIS LINE OF SEVERE
THUNDERSTORMS...WHICH COULD FLOOD LOW LYING AREAS QUICKLY AND COVER
ROADS WITH WATER. DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE
ROAD.
FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS LINE OF
SEVERE THUNDERSTORMS. WHEN THUNDER ROARS...MOVE INDOORS! REMEMBER...
IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY
LIGHTNING.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT MONDAY
EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY AND
SOUTHEAST PENNSYLVANIA.
&&
LAT...LON 3846 7569 3863 7571 3868 7576 3867 7579
3892 7579 3925 7621 3932 7544 3921 7538
3915 7540 3906 7539 3901 7532 3893 7530
3893 7532 3881 7518 3879 7515 3880 7508
3845 7504
TIME...MOT...LOC 2348Z 268DEG 30KT 3916 7604 3891 7580
3857 7596
$$
FORECASTER: SZATKOWSKI1 follow-up statement
823
WWUS51 KPHI 150040
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
840 PM EDT MON JUL 14 2014
DEC001-005-MDC011-029-035-150050-
/O.CAN.KPHI.SV.W.0129.000000T0000Z-140715T0100Z/
KENT MD-KENT DE-CAROLINE MD-SUSSEX DE-QUEEN ANNE'S MD-
840 PM EDT MON JUL 14 2014
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN QUEEN ANNE'S...
SUSSEX...EASTERN CAROLINE...KENT AND CENTRAL KENT COUNTIES IS
CANCELLED...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT MONDAY
EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY AND
SOUTHEAST PENNSYLVANIA.
LAT...LON 3846 7569 3863 7571 3868 7576 3867 7579
3892 7579 3925 7621 3932 7544 3921 7538
3915 7540 3906 7539 3901 7532 3893 7530
3893 7532 3881 7518 3879 7515 3880 7508
3845 7504
TIME...MOT...LOC 0040Z 268DEG 30KT 3918 7548 3892 7524
3858 7541
$$
SZATKOWSKIThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 9:26 PM EDT | Special Weather Statement | PHI | Cecil, Kent | 64 min |
| Jul 13, 10:02 PM EDT | Special Weather Statement | PHI | Cecil, Kent, Queen Anne's | 58 min |
| Jul 13, 10:14 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent | 46 min |
| Jul 13, 10:48 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Cecil, Kent, Queen Anne's | 37 min |
| Jul 14, 3:54 AM EDT | Flash Flood Watch | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 45 hr |
| Jul 14, 6:04 PM EDT | Special Weather Statement | PHI | Caroline, Cecil, Kent, Queen Anne's | 56 min |
| Jul 14, 6:28 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Cecil, Kent, Queen Anne's | 62 min |
| Jul 14, 7:16 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's, Talbot | 74 min |
| Jul 14, 7:03 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 42 min |
| Jul 14, 7:29 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 46 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 2014Severe Thunderstorm Warnings in Delaware, 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.