Alert archive / Maryland / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 250, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 14, 2008, 5:33 PM EDT for Caroline County, Queen Anne's County, Talbot County, Maryland. It was in force for 57 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
- Aug 14, 2008, 5:33 PM EDT (21:33 UTC)
- Expired
- Aug 14, 2008, 6:30 PM EDT
- In force
- 57 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Caroline County, MD, Queen Anne's County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 72 km from the middle of the area, began a volume at 21:33 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, 9.6 hours before the alert went out and 75 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
- 374 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 966 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 27 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS51 KPHI 142133
SVRPHI
MDC011-035-041-142230-
/O.NEW.KPHI.SV.W.0250.080814T2133Z-080814T2230Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
533 PM EDT THU AUG 14 2008
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EXTREME SOUTHWESTERN CAROLINE COUNTY IN EASTERN MARYLAND...
TALBOT COUNTY IN EASTERN MARYLAND...
SOUTHWESTERN QUEEN ANNES COUNTY IN NORTHEAST MARYLAND...
* UNTIL 630 PM EDT
* AT 530 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 9 MILES
WEST OF TILGHMAN ISLAND...OR ABOUT 23 MILES WEST OF EASTON...AND
MOVING EAST AT 33 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
TALBOT...ST. MICHAELS...OXFORD...COPPERVILLE...GRASONVILLE...
TRAPPE...HAMBLETON...WYE MILLS...SKIPTON...CORDOVA...STARR AND
QUEEN ANNE
IN ADDITION TO LARGE HAIL AND 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.
LAT...LON 3879 7638 3876 7635 3887 7626 3882 7621
3885 7620 3892 7621 3895 7624 3890 7625
3894 7628 3884 7638 3895 7637 3902 7595
3864 7605 3866 7621 3873 7625 3870 7627
3872 7631 3866 7635 3874 7635 3877 7640
TIME...MOT...LOC 2133Z 258DEG 29KT 3879 7645
$$
GORSE2 follow-up statements
000
WWUS51 KPHI 142157
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
557 PM EDT THU AUG 14 2008
MDC011-035-041-142230-
/O.CON.KPHI.SV.W.0250.000000T0000Z-080814T2230Z/
CAROLINE MD-QUEEN ANNES MD-TALBOT MD-
557 PM EDT THU AUG 14 2008
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR TALBOT...SOUTHWESTERN QUEEN ANNES AND CAROLINE COUNTIES...
AT 554 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR TALBOT...OR 11 MILES WEST OF EASTON...MOVING EAST AT
33 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
COPPERVILLE...GRASONVILLE...TRAPPE...HAMBLETON...WYE MILLS...
SKIPTON...TANYARD...CHOPTANK...CORDOVA...STARR...PRESTON...
HILLSBORO...GRIFFIN...HARMONY...JUMPTOWN...SMITHVILLE...AGNER...
OAKLAND...TEMPLEVILLE...RIDGELY...HENDERSON...GREENSBORO...
GOLDSBORO...FEDERALSBURG AND DENTON.
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
THUNDERSTORMS ARE CAPABLE OF PRODUCING HEAVY RAINFALL WHICH MAY
RESULT IN LOCALIZED AREAS OF FLOODING. DO NOT DRIVE IN AREAS WHERE
WATER IS COVERING THE ROAD.
LAT...LON 3879 7638 3876 7635 3887 7626 3882 7621
3885 7620 3892 7621 3895 7624 3890 7625
3894 7628 3884 7638 3895 7637 3902 7595
3864 7605 3866 7621 3873 7625 3870 7627
3872 7631 3866 7635 3874 7635 3877 7640
TIME...MOT...LOC 2156Z 258DEG 29KT 3883 7622
$$
GORSE000
WWUS51 KPHI 142225
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
625 PM EDT THU AUG 14 2008
MDC011-035-041-142233-
/O.EXP.KPHI.SV.W.0250.000000T0000Z-080814T2230Z/
CAROLINE MD-QUEEN ANNES MD-TALBOT MD-
625 PM EDT THU AUG 14 2008
...THE SEVERE THUNDERSTORM WARNING FOR TALBOT...SOUTHWESTERN QUEEN
ANNES AND CAROLINE COUNTIES WILL EXPIRE AT 630 PM EDT...
THE THUNDERSTORM THAT PROMPTED THE WARNING HAS WEAKENED, THEREFORE
THE WARNING WILL BE ALLOWED TO EXPIRE AT 630 PM. HOWEVER, HEAVY RAIN
AND CLOUD TO GROUND LIGHTNING IS EXPECTED WITH THIS STORM. SOME
SMALL HAIL IS POSSIBLE.
LAT...LON 3879 7638 3876 7635 3887 7626 3882 7621
3885 7620 3892 7621 3895 7624 3890 7625
3894 7628 3884 7638 3895 7637 3902 7595
3864 7605 3866 7621 3873 7625 3870 7627
3872 7631 3866 7635 3874 7635 3877 7640
TIME...MOT...LOC 2223Z 258DEG 29KT 3887 7595
$$
GORSEThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 6:55 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 49 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.