Alert archive / Maryland / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 204, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 26, 2012, 5:36 PM EDT for Caroline County, Queen Anne's County, Talbot County, Maryland. It was in force for 39 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
- Aug 26, 2012, 5:36 PM EDT (21:36 UTC)
- Expired
- Aug 26, 2012, 6:15 PM EDT
- In force
- 39 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), 50 km from the middle of the area, began a volume at 21:36 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 26, 5:38 PM EDT | TSTM WND DMG | Cordova, MD | TREES AND WIRES DOWN IN CORDOVA. |
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 12:00Z, 9.6 hours before the alert went out and 121 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
- 926 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 504 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 111 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.6
The text
As transmitted, in the capitals the NWS used until 2016.
015 WUUS51 KPHI 262136 SVRPHI MDC011-035-041-262215- /O.NEW.KPHI.SV.W.0204.120826T2136Z-120826T2215Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 536 PM EDT SUN AUG 26 2012 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL CAROLINE COUNTY IN EASTERN MARYLAND... NORTHEASTERN TALBOT COUNTY IN EASTERN MARYLAND... CENTRAL QUEEN ANNE'S COUNTY IN NORTHEAST MARYLAND... * UNTIL 615 PM EDT * AT 532 PM EDT...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 NEAR CORDOVA...AND MOVING NORTH AT 10 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... SKIPTON AROUND 545 PM EDT... QUEEN ANNE AROUND 600 PM EDT... RIDGELY AND 7 MILES EAST OF WYE MILLS AROUND 605 PM EDT... JUMPTOWN AROUND 610 PM EDT... STARR...OAKLAND...HOPE AND 6 MILES SOUTHEAST OF CARVILLE AROUND 615 PM EDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... DOPPLER RADAR HAS INDICATED SOME 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. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE IMMEDIATELY FOR DAMAGING WINDS...LARGE 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 3905 7612 3906 7582 3879 7584 3880 7610 TIME...MOT...LOC 2136Z 182DEG 9KT 3887 7596 $$ IOVINO
1 follow-up statement
207 WWUS51 KPHI 262203 SVSPHI SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 603 PM EDT SUN AUG 26 2012 MDC011-035-041-262215- /O.CON.KPHI.SV.W.0204.000000T0000Z-120826T2215Z/ TALBOT MD-CAROLINE MD-QUEEN ANNE'S MD- 603 PM EDT SUN AUG 26 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT FOR CENTRAL QUEEN ANNE'S...CENTRAL CAROLINE AND NORTHEASTERN TALBOT COUNTIES... AT 600 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR QUEEN ANNE...MOVING NORTH AT 10 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... JUMPTOWN...STARR...OAKLAND AND HOPE BY 615 PM EDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM. WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS. PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY. && LAT...LON 3905 7612 3906 7582 3879 7584 3880 7610 TIME...MOT...LOC 2203Z 182DEG 9KT 3894 7596 $$ IOVINO
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 26, 7:43 AM EDT | Special Weather Statement | PHI | Caroline, Kent, Queen Anne's | 2 hr |
| Aug 26, 11:48 AM EDT | Special Weather Statement | PHI | Caroline, Queen Anne's, Talbot | 117 min |
| Aug 26, 12:17 PM EDT | Areal Flood Advisory | PHI | Caroline, Talbot | 118 min |
| Aug 26, 12:49 PM EDT | Areal Flood Advisory | PHI | Kent, Queen Anne's | 91 min |
| Aug 26, 1:29 PM EDT | Flash Flood Warning | PHI | Caroline, Queen Anne's, Talbot | 7 hr |
| Aug 26, 2:22 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's, Talbot | 53 min |
| Aug 26, 2:58 PM EDT | Flash Flood Warning | PHI | Kent, Queen Anne's | 4 hr |
| Aug 26, 3:15 PM EDT | Severe Thunderstorm Warning | PHI | Talbot | 25 min |
| Aug 26, 5:42 PM EDT | Tornado Warning | PHI | Caroline | 19 min |
| Aug 26, 6:15 PM EDT | Flash Flood Warning | PHI | Caroline, Queen Anne's | 4 hr |
| Aug 26, 7:39 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Talbot | 66 min |
| Aug 26, 7:59 PM EDT | Areal Flood Warning | PHI | Queen Anne's, Talbot | 15 hr |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.