Alert archive / Maryland / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 191, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 30, 2008, 6:19 PM EDT for 4 counties in Maryland. It was in force for 56 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 30, 2008, 6:19 PM EDT (22:19 UTC)
- Expired
- Jul 30, 2008, 7:15 PM EDT
- In force
- 56 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Caroline County, MD, Kent County, MD, Queen Anne's County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 68 km from the middle of the area, began a volume at 22:22 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 |
|---|---|---|---|
| Jul 30, 4:53 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 10.3 hours before the alert went out and 46 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
- 686 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 962 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS51 KPHI 302219
SVRPHI
MDC011-029-035-041-302315-
/O.NEW.KPHI.SV.W.0191.080730T2219Z-080730T2315Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
619 PM EDT WED JUL 30 2008
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN CAROLINE COUNTY IN EASTERN MARYLAND...
NORTHEASTERN TALBOT COUNTY IN EASTERN MARYLAND...
KENT COUNTY IN NORTHEAST MARYLAND...
QUEEN ANNES COUNTY IN NORTHEAST MARYLAND...
* UNTIL 715 PM EDT
* AT 615 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 8 MILES
NORTH OF ROCK HALL...OR ABOUT 19 MILES NORTHWEST OF
CENTERVILLE...AND MOVING EAST-SOUTHEAST AT 15 TO 20 MPH.
* ANOTHER STRONG TO SEVERE THUNDERSTORM WAS BETWEEN QUEENSTOWN AND
STARR...AND MOVING EAST AT 15 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
LANGFORD BY 640 PM...
CHESTERTOWN AND OLD TOWN BY 650 PM...
STARKEY CORNER BY 705 PM...
CHURCH HILL BY 710 PM...
DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT THURSDAY
MORNING FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN NEW
JERSEY AND SOUTHEASTERN PENNSYLVANIA.
LAT...LON 3905 7631 3899 7625 3898 7620 3901 7617
3906 7619 3909 7615 3910 7615 3909 7619
3901 7619 3901 7622 3903 7625 3910 7624
3916 7629 3934 7617 3930 7578 3880 7574
3896 7633
TIME...MOT...LOC 2217Z 291DEG 16KT 3924 7625
$$2 follow-up statements
000
WWUS51 KPHI 302253
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
653 PM EDT WED JUL 30 2008
MDC011-029-035-041-302315-
/O.CON.KPHI.SV.W.0191.000000T0000Z-080730T2315Z/
CAROLINE MD-KENT MD-QUEEN ANNES MD-TALBOT MD-
652 PM EDT WED JUL 30 2008
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR NORTHEASTERN TALBOT...QUEEN ANNES...KENT AND NORTHERN CAROLINE
COUNTIES...
AT 650 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR CHURCH HILL...MOVING EAST AT 15 TO 20 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
STARKEY CORNER...9 MILES NORTH OF CENTREVILLE AND 9 MILES NORTH OF
CENTERVILLE BY 705 PM EDT...
CHURCH HILL...6 MILES SOUTH OF CRUMPTON AND 8 MILES NORTH OF
CARVILLE BY 710 PM EDT...
BARCLAY...SUDLERSVILLE...7 MILES NORTH OF HOPE AND 9 MILES WEST OF
TEMPLEVILLE BY 715 PM EDT...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT
THURSDAY MORNING FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN
NEW JERSEY AND SOUTHEASTERN PENNSYLVANIA.
LAT...LON 3905 7631 3899 7625 3898 7620 3901 7617
3906 7619 3909 7615 3910 7615 3909 7619
3901 7619 3901 7622 3903 7625 3910 7624
3916 7629 3934 7617 3930 7578 3880 7574
3896 7633
TIME...MOT...LOC 2252Z 291DEG 16KT 3918 7606
$$000
WWUS51 KPHI 302314
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
714 PM EDT WED JUL 30 2008
MDC011-029-035-041-302324-
/O.EXP.KPHI.SV.W.0191.000000T0000Z-080730T2315Z/
CAROLINE MD-KENT MD-QUEEN ANNES MD-TALBOT MD-
714 PM EDT WED JUL 30 2008
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN TALBOT...QUEEN
ANNES...KENT AND NORTHERN CAROLINE COUNTIES WILL EXPIRE AT 715 PM
EDT...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT
THURSDAY MORNING FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN
NEW JERSEY AND SOUTHEASTERN PENNSYLVANIA.
LAT...LON 3905 7631 3899 7625 3898 7620 3901 7617
3906 7619 3909 7615 3910 7615 3909 7619
3901 7619 3901 7622 3903 7625 3910 7624
3916 7629 3934 7617 3930 7578 3880 7574
3896 7633
TIME...MOT...LOC 2314Z 291DEG 16KT 3914 7594
$$The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 6:44 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent | 35 min |
Nearby
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.