Alert archive / Maryland / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 1, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Feb 24, 2012, 3:29 PM EST for Caroline County, Queen Anne's County, Talbot County, Maryland. It was in force for 46 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
- Feb 24, 2012, 3:29 PM EST (20:29 UTC)
- Expired
- Feb 24, 2012, 4:15 PM EST
- In force
- 46 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), 65 km from the middle of the area, began a volume at 20:30 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, 8.5 hours before the alert went out and 106 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 602 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 220 m²/s²
- 0-3 km storm-relative helicity
- 268 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
540
WUUS51 KPHI 242029
SVRPHI
MDC011-035-041-242115-
/O.NEW.KPHI.SV.W.0001.120224T2029Z-120224T2115Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
329 PM EST FRI FEB 24 2012
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...
THIS INCLUDES THE CITY OF EASTON...
SOUTHERN QUEEN ANNE'S COUNTY IN NORTHEAST MARYLAND...
* UNTIL 415 PM EST
* AT 326 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 11
MILES SOUTHWEST OF TILGHMAN ISLAND...OR 23 MILES SOUTHWEST OF
EASTON...AND MOVING NORTHEAST AT 45 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
TILGHMAN ISLAND AROUND 340 PM EST...
ST. MICHAELS AND OXFORD AROUND 345 PM EST...
COPPERVILLE AROUND 350 PM EST...
EASTON AROUND 355 PM EST...
SKIPTON AROUND 400 PM EST...
MATTHEWS AND CORDOVA AROUND 405 PM EST...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
&&
LAT...LON 3872 7626 3872 7631 3866 7634 3867 7635
3877 7640 3875 7635 3887 7625 3881 7621
3882 7620 3894 7624 3890 7625 3892 7628
3883 7637 3884 7638 3890 7638 3914 7575
3865 7571 3870 7581 3869 7590 3857 7604
TIME...MOT...LOC 2029Z 242DEG 41KT 3866 7643
$$1 follow-up statement
279
WWUS51 KPHI 242056
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
356 PM EST FRI FEB 24 2012
MDC035-242105-
/O.CAN.KPHI.SV.W.0001.000000T0000Z-120224T2115Z/
QUEEN ANNE'S MD-
356 PM EST FRI FEB 24 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN QUEEN ANNE'S COUNTY
IS CANCELLED...
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
LAT...LON 3873 7626 3872 7631 3866 7635 3868 7636
3874 7635 3876 7640 3875 7635 3883 7625
3881 7621 3883 7620 3895 7574 3866 7572
3870 7580 3869 7590 3858 7605
TIME...MOT...LOC 2055Z 242DEG 41KT 3880 7609
$$
MDC011-041-242115-
/O.CON.KPHI.SV.W.0001.000000T0000Z-120224T2115Z/
TALBOT MD-CAROLINE MD-
356 PM EST FRI FEB 24 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EST
FOR SOUTHERN CAROLINE AND TALBOT COUNTIES...
AT 352 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THIS STORM WAS
LOCATED OVER SOUTHERN TALBOT COUNTY...MOVING NORTHEAST AT 45 MPH.
THE SEVERE THUNDERSTORM WILL BE ACROSS SOUTHERN TALBOT AND SOUTHERN
CAROLINE COUNTIES THROUGH 415 PM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
&&
LAT...LON 3873 7626 3872 7631 3866 7635 3868 7636
3874 7635 3876 7640 3875 7635 3883 7625
3881 7621 3883 7620 3895 7574 3866 7572
3870 7580 3869 7590 3858 7605
TIME...MOT...LOC 2055Z 242DEG 41KT 3880 7609
$$The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 24, 3:40 AM EST | Wind Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 42 hr |
| Feb 24, 3:16 PM EST | Special Weather Statement | PHI | Caroline, Queen Anne's, Talbot | 44 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 2012Every severe thunderstorm warning in 2012
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.