Alert archive / Maryland / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 116, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Nov 1, 2013, 8:27 AM EDT for Cecil County, Maryland; New Castle County, Delaware. It was in force for 63 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
- Nov 1, 2013, 8:27 AM EDT (12:27 UTC)
- Expired
- Nov 1, 2013, 9:30 AM EDT
- In force
- 63 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties New Castle County, DE, Cecil County, MD
The radar
The Dover AFB radar (KDOX), 85 km from the middle of the area, began a volume at 12:30 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 nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 0.5 hours before the alert went out and 31 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
- 2 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 731 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 442 m²/s²
- 0-3 km storm-relative helicity
- 505 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
089
WUUS51 KPHI 011227
SVRPHI
DEC003-MDC015-011330-
/O.NEW.KPHI.SV.W.0116.131101T1227Z-131101T1330Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
827 AM EDT FRI NOV 1 2013
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CENTRAL NEW CASTLE COUNTY IN NORTHERN DELAWARE...
CECIL COUNTY IN NORTHEAST MARYLAND...
* UNTIL 930 AM EDT
* AT 821 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS. THE STORMS WERE NEAR BEL
AIR...MOVING EAST AT 45 MPH. THESE STORMS ARE CAPABLE OF PRODUCING
DAMAGING WINDS IN EXCESS OF 60 MPH. WIND IS THE MAIN THREAT WITH
THIS LINE. THERE IS LITTLE IF ANY LIGHTNING.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
OCTORARO AND CONOWINGO AROUND 835 AM EDT...
WOODLAWN AND WEST NOTTINGHAM AROUND 840 AM EDT...
CHARLESTOWN AND BAY VIEW AROUND 845 AM EDT...
HOLLYWOOD BEACH AND NORTH EAST AROUND 850 AM EDT...
CAYOTS AND ELKTON AROUND 855 AM EDT...
BRANTWOOD AND BOHEMIAS MILLS AROUND 900 AM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THESE SEVERE THUNDERSTORMS 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.
&&
LAT...LON 3972 7550 3962 7560 3959 7559 3963 7557
3951 7555 3947 7558 3942 7553 3937 7552
3938 7603 3952 7599 3955 7603 3954 7605
3955 7608 3972 7623
TIME...MOT...LOC 1223Z 269DEG 39KT 3952 7629
$$
KRUZDLOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 1, 3:14 AM EDT | Wind Advisory | PHI | Cecil | 9 hr |
| Nov 1, 8:37 AM EDT | Severe Thunderstorm Warning | PHI | New Castle | 68 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 2013Severe Thunderstorm Warnings in Delaware, 2013Every severe thunderstorm warning in 2013
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.