Alert archive / Maryland / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 6, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Mar 12, 2014, 7:15 PM EDT for 5 counties in Maryland; Kent County, New Castle County, Delaware. It was in force for 45 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
- Mar 12, 2014, 7:15 PM EDT (23:15 UTC)
- Expired
- Mar 12, 2014, 8:00 PM EDT
- In force
- 45 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Kent County, DE, New Castle County, DE, Caroline County, MD, Cecil County, MD, Kent County, MD, Queen Anne's County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 65 km from the middle of the area, began a volume at 23:17 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 |
|---|---|---|---|
| Mar 12, 4:58 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 54 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2062 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 248 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
710
WUUS51 KPHI 122315
SVRPHI
DEC001-003-MDC011-015-029-035-041-130000-
/O.NEW.KPHI.SV.W.0006.140312T2315Z-140313T0000Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
715 PM EDT WED MAR 12 2014
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN NEW CASTLE COUNTY IN NORTHERN DELAWARE...
SOUTHEASTERN CECIL COUNTY IN NORTHEAST MARYLAND...
KENT COUNTY IN NORTHEAST MARYLAND...
NORTHWESTERN KENT COUNTY IN CENTRAL DELAWARE...
CAROLINE COUNTY IN EASTERN MARYLAND...
QUEEN ANNE'S COUNTY IN NORTHEAST MARYLAND...
TALBOT COUNTY IN EASTERN MARYLAND...
* UNTIL 800 PM EDT
* AT 713 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF INCREASINGLY STRONGER AND BECOMING SEVERE THUNDERSTORMS.
THESE STORMS EXTENDED FROM BETTERTON TO ROCK HALL TO DARES BEACH...
MOVING EAST AT 40 MPH. THESE STORMS ARE CAPABLE OF PRODUCING
DAMAGING WINDS IN EXCESS OF 60 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
HOLLYWOOD BEACH AND ROMANCOKE AROUND 720 PM EDT...
CAYOTS AND GRASONVILLE AROUND 725 PM EDT...
GRASONVILLE AND ST. MICHAELS AROUND 730 PM EDT...
WARWICK AND MASSEY AROUND 735 PM EDT...
MIDDLETOWN AND MILLINGTON AROUND 740 PM EDT...
EASTON AND SUDLERSVILLE AROUND 745 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS SEVERE THUNDERSTORM MAY CONTAIN LITTLE OR NO LIGHTNING. DO NOT
WAIT TO HEAR THUNDER BEFORE TAKING COVER. SEEK SHELTER IMMEDIATELY
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
WEDNESDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN
NEW JERSEY.
&&
LAT...LON 3887 7625 3881 7621 3882 7620 3894 7624
3884 7638 3886 7639 3904 7631 3899 7627
3900 7618 3914 7629 3932 7619 3943 7601
3952 7599 3945 7556 3941 7552 3860 7598
3859 7612 3873 7626 3867 7635 3877 7639
TIME...MOT...LOC 2315Z 284DEG 33KT 3943 7600 3919 7626
3865 7647
$$
TFG1 follow-up statement
830
WWUS51 KPHI 122336
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
736 PM EDT WED MAR 12 2014
DEC001-003-MDC011-015-029-035-041-130000-
/O.CON.KPHI.SV.W.0006.000000T0000Z-140313T0000Z/
NEW CASTLE DE-CECIL MD-KENT MD-KENT DE-CAROLINE MD-QUEEN ANNE'S MD-
TALBOT MD-
736 PM EDT WED MAR 12 2014
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR TALBOT...QUEEN ANNE'S...CAROLINE...NORTHWESTERN KENT...KENT...
SOUTHEASTERN CECIL AND SOUTHERN NEW CASTLE COUNTIES...
AT 731 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS TO 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM BOHEMIAS MILLS TO KENNEDYVILLE TO CHESTERTOWN TO
LANGFORD TO ROCK HALL TO GRASONVILLE TO 8 MILES WEST OF OXFORD...
MOVING EAST AT 35 MPH.
TERMINAL DOPPLER RADARS ARE CONTINUING TO SHOW AROUND 60 MPH OF WIND
WITH THE STRONGEST STORMS IN THIS LINE.
SEVERE THUNDERSTORMS WILL BE NEAR...
GALENA AND WYE MILLS AROUND 740 PM EDT...
ODESSA AND CENTREVILLE AROUND 745 PM EDT...
MILLINGTON AND EASTON AROUND 750 PM EDT...
SUDLERSVILLE AND HILLSBORO AROUND 755 PM EDT...
WINDYHILL AND GREEN SPRING AROUND 800 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS SEVERE THUNDERSTORM MAY CONTAIN LITTLE OR NO LIGHTNING. DO NOT
WAIT TO HEAR THUNDER BEFORE TAKING COVER. SEEK SHELTER IMMEDIATELY
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
WEDNESDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN
NEW JERSEY.
&&
LAT...LON 3887 7625 3884 7625 3881 7621 3882 7620
3892 7622 3894 7624 3898 7623 3900 7618
3914 7628 3932 7613 3949 7590 3945 7556
3941 7552 3860 7598 3859 7612 3873 7626
3871 7631 3867 7635 3868 7635
TIME...MOT...LOC 2335Z 275DEG 31KT 3947 7580 3934 7596
3923 7606 3917 7611 3908 7622 3894 7616
3869 7627
$$
TFGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 12, 4:05 AM EDT | Wind Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 35 hr |
| Mar 12, 5:56 PM EDT | Special Weather Statement | PHI | Cecil | 79 min |
| Mar 12, 6:58 PM EDT | Special Weather Statement | PHI | Cecil, Kent, Queen Anne's, Talbot | 77 min |
| Mar 12, 7:59 PM EDT | Special Weather Statement | PHI | Caroline | 76 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.