Alert archive / Maryland / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 121, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 30, 2008, 10:26 PM EDT for Kent County, Queen Anne's County, Talbot County, Maryland. It was in force for 49 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
- Jun 30, 2008, 10:26 PM EDT (02:26 UTC)
- Expired
- Jun 30, 2008, 11:15 PM EDT
- In force
- 49 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Kent County, MD, Queen Anne's County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 71 km from the middle of the area, began a volume at 02:29 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
Wallops Is Stn, VA (KWAL), launched 00:00Z, 2.4 hours before the alert went out and 137 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
- 1147 J/kg
- Mixed-layer CIN
- -26 J/kg
- Mixed-layer LCL
- 914 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS51 KPHI 010226
SVRPHI
MDC029-035-041-010315-
/O.NEW.KPHI.SV.W.0121.080701T0226Z-080701T0315Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1026 PM EDT MON JUN 30 2008
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTH CENTRAL TALBOT COUNTY IN EASTERN MARYLAND...
SOUTHWESTERN KENT COUNTY IN NORTHEAST MARYLAND...
WESTERN QUEEN ANNES COUNTY IN NORTHEAST MARYLAND...
* UNTIL 1115 PM EDT
* AT 1023 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 10
MILES SOUTHWEST OF STEVENSVILLE...OR ABOUT 64 MILES SOUTHWEST OF
NEWARK...AND MOVING EAST AT 37 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
CHESTER AND STEVENSVILLE BY 1040 PM...
GRASONVILLE BY 1045 PM...
OVERTON BY 1050 PM...
WYE MILLS BY 1055 PM...
CENTREVILLE BY 1100 PM...
CARVILLE...STARR AND 6 MILES SOUTH OF STARKEY CORNER BY 1105 PM...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT 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.
LAT...LON 3903 7633 3898 7620 3909 7615 3910 7615
3901 7619 3903 7625 3918 7627 3932 7604
3892 7596 3885 7620 3895 7624 3890 7624
3894 7628 3890 7633 3887 7624 3884 7626
3882 7631 3888 7632 3884 7638
TIME...MOT...LOC 0226Z 254DEG 32KT 3893 7644
$$
RNS1 follow-up statement
000
WWUS51 KPHI 010259
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1059 PM EDT MON JUN 30 2008
MDC029-035-041-010315-
/O.CON.KPHI.SV.W.0121.000000T0000Z-080701T0315Z/
KENT MD-QUEEN ANNES MD-TALBOT MD-
1059 PM EDT MON JUN 30 2008
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM EDT
FOR EXTREME NORTH CENTRAL TALBOT...WESTERN QUEEN ANNES AND
SOUTHWESTERN KENT COUNTIES...
AT 1057 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR CENTREVILLE...OR 15
MILES NORTH OF EASTON MARYLAND...MOVING EAST AT 38 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
CARVILLE...STARR AND 6 MILES SOUTH OF STARKEY CORNER BY 1105 PM
EDT...
IN ADDITION TO DAMAGING WINDS...FREQUENT CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY
LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU
CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.
THUNDERSTORMS ARE CAPABLE OF PRODUCING HEAVY RAINFALL WHICH MAY
RESULT IN LOCALIZED AREAS OF FLOODING. DO NOT DRIVE IN AREAS WHERE
WATER IS COVERING THE ROAD.
LAT...LON 3913 7625 3916 7601 3892 7596 3888 7621
3892 7621 3899 7624 3898 7620 3901 7617
3906 7619 3909 7615 3910 7615 3909 7619
3901 7619 3903 7625 3905 7624
TIME...MOT...LOC 0259Z 252DEG 33KT 3902 7607
$$
RNSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 11:04 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's, Talbot | 39 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.