Alert archive / Maryland / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 37, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 24, 2013, 2:18 PM EDT for Cecil County, Maryland. It was in force for 57 min. 2 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
- Jun 24, 2013, 2:18 PM EDT (18:18 UTC)
- Expired
- Jun 24, 2013, 3:15 PM EDT
- In force
- 57 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
County Cecil County, MD
The radar
The Dover AFB radar (KDOX), 101 km from the middle of the area, began a volume at 18:21 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 |
|---|---|---|---|
| Jun 24, 2:50 PM EDT | TSTM WND DMG | Andora, MD | MULTIPLE TREES DOWN AND SOME TREES SNAPPED IN HALF...SOME AUTOS DAMAGED BY TREES FALLING ON THEM. |
| Jun 24, 3:04 PM EDT | TSTM WND DMG | 2 Nnw Elkton, MD | SEVERAL TREES DOWN ALONG WARBURTON ROAD... WHEATLEY ROAD... BLUE BALL ROAD... AND OLD ELM ROAD. ALSO PEA SIZE HAIL REPORTED. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 6.3 hours before the alert went out and 26 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
- 705 J/kg
- Mixed-layer CIN
- -105 J/kg
- Mixed-layer LCL
- 1279 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
301
WUUS51 KPHI 241818
SVRPHI
MDC015-241915-
/O.NEW.KPHI.SV.W.0037.130624T1818Z-130624T1915Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
218 PM EDT MON JUN 24 2013
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN CECIL COUNTY IN NORTHEAST MARYLAND...
* UNTIL 315 PM EDT
* AT 216 PM EDT...A SEVERE THUNDERSTORM WAS DETECTED BY NWS DOPPLER
RADAR IN NORTHERN CECIL COUNTY NEAR CHERRY HILL. THIS STORM WAS
MOVING SLOWLY EAST-SOUTHEAST AT 10 MPH. THIS STORM IS CAPABLE OF
PRODUCING DAMAGING WIND GUSTS...HAIL...AND VERY HEAVY RAIN.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
ZION...PLEASANT HILL...NORTH EAST...LOMBARD...GLEN WESTOVER...
FARMINGTON...FAIR HILL...ELKTON...CHERRY HILL...CALVERT...
BRANTWOOD...BLAKE...BAY VIEW...BARKSDALE...APPLETON AND ANDORA
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS CREATE WINDS OF MORE THAN 57 MPH...OR HAIL ONE
INCH OR LARGER.
&&
LAT...LON 3972 7580 3954 7578 3959 7603 3965 7606
3972 7604
TIME...MOT...LOC 1817Z 308DEG 14KT 3967 7585
$$
FORECASTER:JJM1 follow-up statement
151
WWUS51 KPHI 241849
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
249 PM EDT MON JUN 24 2013
MDC015-241915-
/O.CON.KPHI.SV.W.0037.000000T0000Z-130624T1915Z/
CECIL MD-
249 PM EDT MON JUN 24 2013
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR NORTHEASTERN CECIL COUNTY...
AT 243 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING ONE INCH
DIAMETER HAIL WAS DETECTED BY NATIONAL WEATHER SERVICE DOPPLER RADAR.
THIS STORM WAS LOCATED NEAR PLEASANT HILL...OR 9 MILES WEST OF
NEWARK...MOVING EAST AT 25 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ZION...
PLEASANT HILL...NORTH EAST...LOMBARD...FAIR HILL...ELKTON...CHERRY
HILL...BRANTWOOD...BLAKE...BAY VIEW...BARKSDALE...APPLETON AND ANDORA
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! HEAVY RAIN IS ALSO OCCURRING WITH THIS STORM...PRODUCING
PONDING OF WATER ON ROADWAYS. GUSTY WINDS ARE ALSO
POSSIBLE.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
MONDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY
AND EASTERN PENNSYLVANIA.
&&
LAT...LON 3964 7602 3972 7596 3972 7580 3955 7578
3954 7579 3962 7603
TIME...MOT...LOC 1847Z 272DEG 28KT 3965 7589
$$
FORECASTER:JJMThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 24, 1:22 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 53 min |
| Jun 24, 2:07 PM EDT | Areal Flood Advisory | PHI | Cecil | 3 hr |
| Jun 24, 3:23 PM EDT | Special Weather Statement | PHI | Cecil | 52 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.