Alert archive / Maryland / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 123, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 4, 2008, 6:47 PM EDT for Caroline County, Talbot County, Maryland. It was in force for 73 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 4, 2008, 6:47 PM EDT (22:47 UTC)
- Expired
- Jul 4, 2008, 8:00 PM EDT
- In force
- 73 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Caroline County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 68 km from the middle of the area, began a volume at 22:47 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
Washington/Dulle, VA (KIAD), launched 12:00Z, 10.8 hours before the alert went out and 105 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
- 146 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 919 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 98 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS51 KPHI 042248
SVRPHI
MDC011-041-050000-
/O.NEW.KPHI.SV.W.0123.080704T2247Z-080705T0000Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
647 PM EDT FRI JUL 4 2008
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHWESTERN CAROLINE COUNTY IN EASTERN MARYLAND...
TALBOT COUNTY IN EASTERN MARYLAND...
* UNTIL 800 PM EDT
* AT 646 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
OF 60 MPH. THIS STORM WAS LOCATED 20 MILES SOUTHWEST OF TILGHMAN
ISLAND...OR ABOUT 31 MILES SOUTHWEST OF EASTON...AND MOVING EAST AT
34 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
OXFORD BY 730 PM...
TRAPPE BY 735 PM...
HAMBLETON BY 740 PM...
WINDYHILL BY 745 PM...
CHOPTANK AND 6 MILES SOUTH OF TANYARD BY 750 PM...
PRESTON BY 755 PM...
THUNDERSTORMS ARE CAPABLE OF PRODUCING HEAVY RAINFALL WHICH MAY
RESULT IN LOCALIZED AREAS OF FLOODING. DO NOT DRIVE IN AREAS WHERE
WATER IS CROSSING THE ROAD.
IN ADDITION TO DAMAGING WINDS...CONTINUOUS CLOUD TO GROUND LIGHTNING
IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY LIGHTNING IS
ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR
THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.
IF YOU SEE THREATENING WEATHER, PLEASE MOVE INDOORS QUICKLY.
LAT...LON 3879 7638 3876 7635 3884 7630 3885 7626
3882 7621 3888 7615 3893 7592 3869 7587
3867 7595 3857 7601 3863 7615 3868 7619
3866 7621 3873 7625 3870 7627 3872 7631
3866 7635 3867 7636 3874 7635 3877 7640
TIME...MOT...LOC 2247Z 255DEG 29KT 3854 7656
$$
TFG1 follow-up statement
000
WWUS51 KPHI 042323
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
723 PM EDT FRI JUL 4 2008
MDC011-041-050000-
/O.CON.KPHI.SV.W.0123.000000T0000Z-080705T0000Z/
CAROLINE MD-TALBOT MD-
723 PM EDT FRI JUL 4 2008
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR TALBOT AND SOUTHWESTERN CAROLINE COUNTIES...
AT 720 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PENNY
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM 16 MILES WEST OF TILGHMAN
ISLAND TO 12 MILES SOUTH OF TILGHMAN ISLAND TO 34 MILES SOUTH OF
OXFORD...OR ALONG A LINE EXTENDING FROM 30 MILES WEST OF EASTON TO 21
MILES SOUTHWEST OF EASTON TO 41 MILES SOUTHWEST OF EASTON...MOVING
EAST AT 25 MPH.
SEVERE THUNDERSTORMS WILL BE NEAR...
TILGHMAN ISLAND BY 750 PM EDT...
OXFORD BY 755 PM EDT...
TALBOT...TRAPPE...ST. MICHAELS AND HAMBLETON BY 800 PM EDT...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
THUNDERSTORMS ARE CAPABLE OF PRODUCING HEAVY RAINFALL WHICH MAY
RESULT IN LOCALIZED AREAS OF FLOODING. DO NOT DRIVE IN AREAS WHERE
WATER IS COVERING THE ROAD.
THIS STORM HAS A HISTORY OF PRODUCING WIND DAMAGE AND LARGE
HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS
LAT...LON 3879 7638 3876 7635 3884 7630 3885 7626
3882 7621 3888 7615 3893 7592 3869 7587
3867 7595 3857 7601 3863 7615 3868 7619
3866 7621 3873 7625 3870 7627 3872 7631
3866 7635 3867 7636 3874 7635 3877 7640
TIME...MOT...LOC 2323Z 249DEG 21KT 3876 7661 3858 7635
3823 7635
$$
TFGNearby
Severe Thunderstorm Warnings in Maryland, 2008Every severe thunderstorm warning in 2008
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.