Alert archive / Maryland / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 3, NWS Philadelphia/Mount Holly

March 5, 2008Caroline County, Queen Anne's County, Talbot County, Maryland

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Mar 5, 2008, 12:52 AM EST for Caroline County, Queen Anne's County, Talbot County, Maryland. It was in force for 38 min. 1 report 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
Mar 5, 2008, 12:52 AM EST (05:52 UTC)
Expired
Mar 5, 2008, 1:30 AM EST
In force
38 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), 68 km from the middle of the area, began a volume at 05:53 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

TimeReportWhereRemark
Mar 5, 1:30 AM ESTTSTM WND DMGCentreville, MDNUMEROUS POWER LINES DOWN IN CENTRAL QUEEN ANNES COUNTY IN THE VICINITY OF CENTREVILLE

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 00:00Z, 5.9 hours before the alert went out and 103 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.

Skew-T log-pSkew-T log-p diagram, Washington/Dulle, VA at 00:00Z on 2008-03-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 125 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 00:00Z on 2008-03-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 296 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
125 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
898 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
296 m²/s²
0-3 km storm-relative helicity
410 m²/s²
Significant tornado parameter
0.2
Supercell composite
0.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS51 KPHI 050552
SVRPHI
MDC011-035-041-050630-
/O.NEW.KPHI.SV.W.0003.080305T0552Z-080305T0630Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1252 AM EST WED MAR 5 2008

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CAROLINE COUNTY IN EASTERN MARYLAND...
  TALBOT COUNTY IN EASTERN MARYLAND...
  QUEEN ANNES COUNTY IN NORTHEAST MARYLAND...

* UNTIL 130 AM EST

* AT 1249 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN
  EXCESS OF 70 MPH.  THIS STORM WAS LOCATED 14 MILES SOUTHWEST OF
  TILGHMAN ISLAND...OR ABOUT 64 MILES SOUTHWEST OF DOVER...AND MOVING
  NORTHEAST AT 60 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  6 MILES SOUTHEAST OF TILGHMAN ISLAND BY 100 AM EST...
  OXFORD AND ST. MICHAELS BY 105 AM EST...
  EASTON BY 110 AM EST...
  CORDOVA BY 120 AM EST...
  RIDGELY...QUEEN ANNE AND DENTON BY 125 AM EST...
  GREENSBORO AND 6 MILES SOUTH OF GOLDSBORO BY 130 AM EST...

LAT...LON 3876 7635 3887 7626 3882 7621 3895 7624
      3890 7624 3894 7628 3884 7638 3889 7637
      3925 7577 3875 7572 3861 7608 3868 7619
      3866 7621 3873 7625 3870 7627 3872 7631
      3866 7635 3874 7635 3877 7640
TIME...MOT...LOC 0552Z 232DEG 55KT 3860 7640

$$

NIERENBERG

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 5, 1:44 AM ESTSevere Thunderstorm WarningPHICaroline, Cecil, Kent, Queen Anne's61 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.