Alert archive / Maryland / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 133, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 11, 2007, 2:14 PM EDT for Queen Anne's County, Talbot County, Maryland. It was in force for 61 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
- Jul 11, 2007, 2:14 PM EDT (18:14 UTC)
- Expired
- Jul 11, 2007, 3:15 PM EDT
- In force
- 61 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
Counties Queen Anne's County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 80 km from the middle of the area, began a volume at 18:16 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 |
|---|---|---|---|
| Jul 11, 2:25 PM EDT | TSTM WND GST 39 | Stevensville, MD | A WIND GUST OF 39 MPH WAS MEASURED IN STEVENSVILLE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 6.2 hours before the alert went out and 70 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
- 219 J/kg
- Mixed-layer CIN
- -93 J/kg
- Mixed-layer LCL
- 1047 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS51 KPHI 111816
SVRPHI
MDC035-041-111915-
/O.NEW.KPHI.SV.W.0133.070711T1814Z-070711T1915Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
214 PM EDT WED JUL 11 2007
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WEST CENTRAL TALBOT COUNTY IN EASTERN MARYLAND...
SOUTHWESTERN QUEEN ANNES COUNTY IN NORTHEAST MARYLAND...
* UNTIL 315 PM EDT
* AT 212 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A LINE OF STRONG THUNDERSTORMS. THESE STORMS WERE LOCATED 9 MILES
SOUTHWEST OF STEVENSVILLE...MOVING EAST AT 30 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
CHESTER AND STEVENSVILLE BY 230 PM EDT...
GRASONVILLE BY 240 PM EDT...
LAT...LON 3899 7661 3882 7656 3868 7633 3869 7628
3871 7620 3890 7620 3900 7618 3908 7626
$$
EBERWINE1 follow-up statement
000
WWUS51 KPHI 111855
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
255 PM EDT WED JUL 11 2007
MDC035-111905-
/O.CAN.KPHI.SV.W.0133.000000T0000Z-070711T1915Z/
QUEEN ANNES MD-
255 PM EDT WED JUL 11 2007
...THE SEVERE THUNDERSTORM WARNING FOR QUEEN ANNES COUNTY IS
CANCELLED...
LAT...LON 3880 7649 3882 7656 3867 7634 3869 7628
3871 7620 3890 7620 3888 7622 3889 7626
$$
MDC041-111915-
/O.CON.KPHI.SV.W.0133.000000T0000Z-070711T1915Z/
TALBOT MD-
255 PM EDT WED JUL 11 2007
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR WEST CENTRAL TALBOT COUNTY...
AT 252 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM. THIS STORM WAS LOCATED NEAR TILGHMAN
ISLAND...MOVING SOUTHEAST AT 15 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ST.
MICHAELS
LAT...LON 3880 7649 3882 7656 3867 7634 3869 7628
3871 7620 3890 7620 3888 7622 3889 7626
$$
EBERWINENearby
Severe Thunderstorm Warnings in Maryland, 2007Every severe thunderstorm warning in 2007
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.