Alert archive / Maryland / Tornado Warnings in 2013
Tornado Warning 21, NWS Baltimore/Washington
NWS Baltimore/Washington issued this tornado warning at Jul 1, 2013, 7:29 PM EDT for Prince George's County, Maryland. It was in force for 31 min. 6 reports 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 1, 2013, 7:29 PM EDT (23:29 UTC)
- Expired
- Jul 1, 2013, 8:00 PM EDT
- In force
- 31 min
- Issued by
- NWS Baltimore/Washington
- Area
- Storm-based polygon
County Prince George's County, MD
The radar
The Sterling radar (KLWX), 59 km from the middle of the area, began a volume at 23:31 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 1, 7:33 PM EDT | FUNNEL CLOUD | 3 W Brandywine, MD | FUNNEL CLOUD REPORTED BY FIRE DEPARTMENT PERSONNEL |
| Jul 1, 7:33 PM EDT | TORNADO | 2 Wnw Brandywine, MD | EF-0 TORNADO CONFIRMED. PATH LENGTH 2.3 MILES. MAX WIDTH 75 YARDS. PEAK WINDS 60 MPH. TREE DAMAGE ALONG PATH. DAMAGE MOSTLY TOPPED TREES AND LARGE BRANCHES SNAPPED. |
| Jul 1, 7:36 PM EDT | TSTM WND DMG | 3 Nw Brandywine, MD | LARGE LIMB SNAPPED. |
| Jul 1, 7:37 PM EDT | TSTM WND DMG | 2 Nw Brandywine, MD | 1 TREE SNAPPED AND A NUMBER OF LIMBS DOWN ALONG BRANDYWINE RD BETWEEN OLD MARBURY RD AND BURCH HILL RD. CONTINUING TO INVESTIGATE. |
| Jul 1, 7:40 PM EDT | TSTM WND DMG | 2 Sse Clinton, MD | MULTIPLE TREES PARTIALLY TOPPED. LARGE LIMBS DOWNED. |
| Jul 1, 7:41 PM EDT | TSTM WND DMG | 2 Sse Clinton, MD | 1 TREE SNAPPED. 12 INCH DIAMETER. |
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, 11.5 hours before the alert went out and 51 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
- 23 J/kg
- Mixed-layer CIN
- -94 J/kg
- Mixed-layer LCL
- 892 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 150 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
871 WFUS51 KLWX 012329 TORLWX MDC033-020000- /O.NEW.KLWX.TO.W.0021.130701T2329Z-130702T0000Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 729 PM EDT MON JUL 1 2013 THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A * TORNADO WARNING FOR... SOUTHERN PRINCE GEORGES COUNTY IN CENTRAL MARYLAND... * UNTIL 800 PM EDT * AT 730 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO WAS 5 MILES SOUTH OF CLINTON...OR NEAR WALDORF...AND WAS MOVING NORTHEAST AT 15 MPH. * LOCATIONS IMPACTED INCLUDE... CLINTON... MARLTON... ANDREWS AFB... PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING AND AVOID WINDOWS. IF OUTDOORS OR IN A MOBILE HOME OR VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 3887 7685 3877 7672 3866 7688 3868 7699 TIME...MOT...LOC 2329Z 223DEG 12KT 3868 7690 $$
2 follow-up statements
060 WWUS51 KLWX 012343 SVSLWX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 743 PM EDT MON JUL 1 2013 MDC033-020000- /O.CON.KLWX.TO.W.0021.000000T0000Z-130702T0000Z/ PRINCE GEORGES MD- 743 PM EDT MON JUL 1 2013 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM EDT FOR PRINCE GEORGES COUNTY... AT 742 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO WAS LOCATED NEAR CLINTON...AND WAS MOVING NORTHEAST AT 15 MPH. LOCATIONS IMPACTED INCLUDE... CHELTENHAM... ANDREWS AFB... MARLTON... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING AND AVOID WINDOWS. IF OUTDOORS OR IN A MOBILE HOME OR VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 3887 7685 3877 7672 3866 7688 3868 7699 TIME...MOT...LOC 2343Z 226DEG 11KT 3874 7689 $$ KCS
846 WWUS51 KLWX 012353 SVSLWX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 753 PM EDT MON JUL 1 2013 MDC033-020003- /O.EXP.KLWX.TO.W.0021.000000T0000Z-130702T0000Z/ PRINCE GEORGES MD- 753 PM EDT MON JUL 1 2013 ...THE TORNADO WARNING WILL EXPIRE AT 800 PM EDT FOR PRINCE GEORGES COUNTY... THE THUNDERSTORM THAT PROMPTED THE WARNING HAS WEAKENED. THUS THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE. LAT...LON 3887 7685 3877 7672 3866 7688 3868 7699 TIME...MOT...LOC 2353Z 226DEG 11KT 3876 7686 $$ KCS
Nearby
Tornado Warnings in Maryland, 2013Every tornado warning in 2013Tornadoes in 2013
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.