Alert archive / Maryland / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 74, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 3, 2014, 12:04 AM EDT for Caroline County, Kent County, Queen Anne's County, Maryland; Kent County, New Castle County, Delaware. It was in force for 56 min. 4 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 3, 2014, 12:04 AM EDT (04:04 UTC)
- Expired
- Jul 3, 2014, 1:00 AM EDT
- In force
- 56 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Kent County, DE, New Castle County, DE, Caroline County, MD, Kent County, MD, Queen Anne's County, MD
The radar
The Dover AFB radar (KDOX), 49 km from the middle of the area, began a volume at 04:03 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 3, 12:23 AM EDT | TSTM WND DMG | Marydel, DE | TREES AND WIRES DOWN. |
| Jul 3, 12:30 AM EDT | TSTM WND DMG | Hartly, DE | TREE DOWN ONTO A BUILDING. ALSO... LARGE TREE DOWN ONTO WIRES ALONG CRYSTAL ROAD. |
| Jul 3, 12:38 AM EDT | TSTM WND DMG | Cheswold, DE | TREES AND WIRES DOWN. |
| Jul 3, 12:58 AM EDT | TSTM WND DMG | Hartly, DE | TREES DOWN IN HARTLY. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 00:00Z, 4.1 hours before the alert went out and 143 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
- 2489 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 1108 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 110 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
791
WUUS51 KPHI 030404
SVRPHI
DEC001-003-MDC011-029-035-030500-
/O.NEW.KPHI.SV.W.0074.140703T0404Z-140703T0500Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1204 AM EDT THU JUL 3 2014
...THIS IS AN EXTREMELY DANGEROUS AND POTENTIALLY LIFE THREATENING
SITUATION...
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN NEW CASTLE COUNTY IN NORTHERN DELAWARE...
NORTHEASTERN KENT COUNTY IN NORTHEAST MARYLAND...
NORTHWESTERN KENT COUNTY IN CENTRAL DELAWARE...
NORTHERN CAROLINE COUNTY IN EASTERN MARYLAND...
EASTERN QUEEN ANNE'S COUNTY IN NORTHEAST MARYLAND...
* UNTIL 100 AM EDT
* AT MIDNIGHT EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A SEVERE THUNDERSTORM. THE STORM WAS NEAR CENTREVILLE...MOVING
NORTHEAST AT 35 MPH. THIS STORM IS CAPABLE OF PRODUCING GOLF BALL
SIZE HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
HOPE AND CHURCH HILL AROUND 1210 AM EDT...
CHURCH HILL AROUND 1215 AM EDT...
GOLDSBORO AROUND 1220 AM EDT...
SUDLERSVILLE AND CRUMPTON AROUND 1225 AM EDT...
MILLINGTON AROUND 1230 AM EDT...
HARTLY AND MASSEY AROUND 1235 AM EDT...
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 IS AN UNUSUALLY DANGEROUS SITUATION. SEEK SHELTER NOW INSIDE A
STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!
FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS SEVERE
THUNDERSTORM. WHEN THUNDER ROARS...MOVE INDOORS! REMEMBER...IF YOU
CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.
&&
LAT...LON 3927 7590 3947 7559 3943 7553 3937 7550
3936 7548 3927 7542 3916 7562 3898 7584
3891 7595 3892 7595 3892 7598 3910 7599
3920 7603
TIME...MOT...LOC 0403Z 239DEG 31KT 3903 7602
$$
FORECASTER: HEAVENER2 follow-up statements
923
WWUS51 KPHI 030431
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1231 AM EDT THU JUL 3 2014
MDC029-030441-
/O.CAN.KPHI.SV.W.0074.000000T0000Z-140703T0500Z/
KENT MD-
1231 AM EDT THU JUL 3 2014
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN KENT COUNTY IS
CANCELLED...
LAT...LON 3925 7582 3925 7576 3928 7576 3941 7552
3937 7550 3934 7547 3927 7542 3916 7562
3903 7578 3919 7593
TIME...MOT...LOC 0431Z 239DEG 31KT 3915 7575
$$
DEC001-003-MDC011-035-030500-
/O.CON.KPHI.SV.W.0074.000000T0000Z-140703T0500Z/
NEW CASTLE DE-KENT DE-CAROLINE MD-QUEEN ANNE'S MD-
1231 AM EDT THU JUL 3 2014
...THIS IS AN EXTREMELY DANGEROUS AND POTENTIALLY LIFE THREATENING
SITUATION...
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 AM EDT
FOR NORTHEASTERN QUEEN ANNE'S...NORTHEASTERN CAROLINE...NORTHWESTERN
KENT AND SOUTHEASTERN NEW CASTLE COUNTIES...
AT 1230 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE
HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THIS STORM WAS
LOCATED NEAR TEMPLEVILLE...OR 13 MILES WEST OF DOVER...MOVING
NORTHEAST AT 35 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
KENTON BY 1240 AM EDT...
CHESWOLD...SMYRNA...CLAYTON AND 7 MILES SOUTHEAST OF GREEN SPRING
BY 1250 AM EDT...
LEIPSIC AND 8 MILES SOUTHEAST OF CHAMBERSVILLE BY 1255 AM EDT...
WOODLAND BEACH BY 100 AM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS AN UNUSUALLY DANGEROUS SITUATION. SEEK SHELTER NOW INSIDE A
STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!
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.
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 3925 7582 3925 7576 3928 7576 3941 7552
3937 7550 3934 7547 3927 7542 3916 7562
3903 7578 3919 7593
TIME...MOT...LOC 0431Z 239DEG 31KT 3915 7575
$$
HEAVENER107
WWUS51 KPHI 030447
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1247 AM EDT THU JUL 3 2014
MDC011-035-030457-
/O.CAN.KPHI.SV.W.0074.000000T0000Z-140703T0500Z/
CAROLINE MD-QUEEN ANNE'S MD-
1247 AM EDT THU JUL 3 2014
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN QUEEN ANNE'S AND
NORTHEASTERN CAROLINE COUNTIES IS CANCELLED...
LAT...LON 3932 7569 3941 7552 3937 7550 3934 7547
3927 7542 3916 7561
TIME...MOT...LOC 0447Z 239DEG 31KT 3922 7560
$$
DEC001-003-030500-
/O.CON.KPHI.SV.W.0074.000000T0000Z-140703T0500Z/
NEW CASTLE DE-KENT DE-
1247 AM EDT THU JUL 3 2014
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 AM EDT
FOR NORTH CENTRAL KENT AND SOUTHEASTERN NEW CASTLE COUNTIES...
AT 1243 AM EDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING GOLF BALL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60
MPH. THIS STORM WAS LOCATED NEAR CHESWOLD...OR 7 MILES NORTHWEST OF
DOVER...MOVING NORTHEAST AT 35 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
LEIPSIC AND 8 MILES SOUTHEAST OF CHAMBERSVILLE BY 1255 AM EDT...
WOODLAND BEACH BY 100 AM EDT...
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.
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 3932 7569 3941 7552 3937 7550 3934 7547
3927 7542 3916 7561
TIME...MOT...LOC 0447Z 239DEG 31KT 3922 7560
$$
HEAVENERThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 10:24 PM EDT | Special Weather Statement | PHI | Cecil | 36 min |
| Jul 2, 10:50 PM EDT | Special Weather Statement | PHI | Talbot | 55 min |
| Jul 2, 11:20 PM EDT | Special Weather Statement | PHI | Caroline, Queen Anne's | 55 min |
| Jul 2, 11:24 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's, Talbot | 66 min |
| Jul 2, 11:47 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Talbot | 58 min |
| Jul 3, 12:34 AM EDT | Areal Flood Advisory | PHI | Cecil, Kent, Queen Anne's | 3 hr |
| Jul 3, 5:36 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent | 69 min |
| Jul 3, 6:21 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 39 min |
| Jul 3, 7:00 PM EDT | Special Weather Statement | PHI | Caroline, Kent, Queen Anne's, Talbot | 60 min |
| Jul 2, 8:08 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 52 min |
| Jul 3, 12:41 AM EDT | Severe Thunderstorm Warning | PHI | Kent | 50 min |
| Jul 3, 3:27 PM EDT | High Surf Advisory | PHI | Sussex | 41 hr |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.