Alert archive / Maryland / Tornado Warnings in 2007
Tornado Warning 13, NWS Baltimore/Washington
NWS Baltimore/Washington issued this tornado warning at Aug 5, 2007, 3:30 PM EDT for Saint Mary's County, Maryland. It was in force for 30 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 5, 2007, 3:30 PM EDT (19:30 UTC)
- Expired
- Aug 5, 2007, 4:00 PM EDT
- In force
- 30 min
- Issued by
- NWS Baltimore/Washington
- Area
- Counties, with a storm outline in the text
County Saint Mary's County, MD
The radar
The Sterling radar (KLWX), 107 km from the middle of the area, began a volume at 19:33 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
Washington/Dulle, VA (KIAD), launched 12:00Z, 7.5 hours before the alert went out and 100 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
- 277 J/kg
- Mixed-layer CIN
- -178 J/kg
- Mixed-layer LCL
- 1269 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 94 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS51 KLWX 051931 TORLWX MDC037-052000- /O.NEW.KLWX.TO.W.0013.070805T1930Z-070805T2000Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 330 PM EDT SUN AUG 5 2007 THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A * TORNADO WARNING FOR... ST. MARYS COUNTY IN SOUTHERN MARYLAND * UNTIL 400 PM EDT * AT 324 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG ROTATION NEAR LOVEVILLE...MOVING SOUTHEAST AT 10 MPH. * LOCATIONS IMPACTED INCLUDE... LEONARDTOWN... HOLLYWOOD... CALIFORNIA... LEXINGTON PARK... IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW IF NO UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE SUBSTANTIAL SHELTER. AVOID WINDOWS LAT...LON 3847 7667 3835 7684 3803 7655 3821 7629 $$ RDH
1 follow-up statement
000 WWUS51 KLWX 051949 SVSLWX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 345 PM EDT SUN AUG 5 2007 MDC037-052000- /O.CON.KLWX.TO.W.0013.000000T0000Z-070805T2000Z/ ST. MARYS MD- 345 PM EDT SUN AUG 5 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM EDT FOR ST. MARYS COUNTY... AT 342 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM OVER OVER TINTOP HILL...MOVING SOUTHEAST AT 10 MPH. ROTATION APPEARS TO HAVE WEAKENED...BUT THE STORM WAS STILL CAPABLE OF PRODUCING DAMAGING WINDS AND HAIL. REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT AND ASK THEM TO RELAY THE INFORMATION TO THE NATIONAL WEATHER SERVICE. LAT...LON 3847 7667 3835 7684 3803 7655 3821 7629 $$ RDH
The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 3:56 PM EDT | Severe Thunderstorm Warning | LWX | Saint Mary's | 54 min |
| Aug 5, 4:12 PM EDT | Severe Thunderstorm Warning | LWX | Calvert | 33 min |
| Aug 5, 4:55 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 65 min |
| Aug 5, 6:06 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 25 min |
Nearby
Tornado Warnings in Maryland, 2007Every tornado warning in 2007Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.