Alert archive / Maryland / Tornado Warnings in 2012
Tornado Warning 32, NWS Baltimore/Washington
NWS Baltimore/Washington issued this tornado warning at Aug 14, 2012, 8:49 PM EDT for Baltimore County, Carroll County, City of Baltimore, Maryland. It was in force for 26 min. 2 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
- Aug 14, 2012, 8:49 PM EDT (00:49 UTC)
- Expired
- Aug 14, 2012, 9:15 PM EDT
- In force
- 26 min
- Issued by
- NWS Baltimore/Washington
- Area
- Storm-based polygon
Counties Baltimore County, MD, Carroll County, MD, City of Baltimore, MD
The radar
The Sterling radar (KLWX), 81 km from the middle of the area, began a volume at 00:49 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 14, 9:10 PM EDT | HAIL 0.88 | 2 Sw Towson, MD | |
| Aug 14, 9:15 PM EDT | TSTM WND DMG | Towson, MD | TREE DOWN ON WEST CHESAPEAKE AVE AT WOODBINE AVE |
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 00:00Z, 0.8 hours before the alert went out and 77 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
- 833 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 1690 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
803
WFUS51 KLWX 150049
TORLWX
MDC005-013-510-150115-
/O.NEW.KLWX.TO.W.0032.120815T0049Z-120815T0115Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
849 PM EDT TUE AUG 14 2012
THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHEASTERN CARROLL COUNTY IN NORTH CENTRAL MARYLAND...
CENTRAL BALTIMORE COUNTY IN NORTHERN MARYLAND...
NORTHWESTERN BALTIMORE CITY IN NORTHERN MARYLAND...
* UNTIL 915 PM EDT
* AT 849 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS NEAR MILFORD MILL...OR NEAR FALLSTAFF...AND WAS MOVING
NORTHEAST AT 10 MPH.
* LOCATIONS IMPACTED INCLUDE...
LOCHEARN...
HOWARD PARK...
OWINGS MILLS...
FALLSTAFF...
PIKESVILLE...
ROLAND PARK...
TOWSON...
HOMELAND...
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.
MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST
RESORT...EITHER PARK AND STAY IN YOUR VEHICLE...OR ABANDON YOUR
VEHICLE AND LAY FLAT IN A LOW SPOT.
&&
LAT...LON 3942 7643 3928 7676 3930 7680 3932 7680
3932 7682 3937 7692 3959 7662
TIME...MOT...LOC 0050Z 226DEG 10KT 3934 7677
$$
BJL1 follow-up statement
434
WWUS51 KLWX 150055
SVSLWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
855 PM EDT TUE AUG 14 2012
MDC013-150105-
/O.CAN.KLWX.TO.W.0032.000000T0000Z-120815T0115Z/
CARROLL MD-
855 PM EDT TUE AUG 14 2012
...THE TORNADO WARNING IS CANCELLED FOR CARROLL COUNTY...
THE THUNDERSTORM THAT PROMPTED THE WARNING HAS EXITED THE WARNED
AREA. THUS THE TORNADO WARNING HAS BEEN CANCELLED.
LAT...LON 3942 7643 3931 7668 3929 7675 3937 7686
3954 7669 3959 7662
TIME...MOT...LOC 0055Z 240DEG 9KT 3935 7676
$$
MDC005-510-150115-
/O.CON.KLWX.TO.W.0032.000000T0000Z-120815T0115Z/
BALTIMORE MD-BALTIMORE CITY MD-
855 PM EDT TUE AUG 14 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM EDT FOR THE
BALTIMORE CITY...AND BALTIMORE COUNTY...
AT 853 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR MILFORD MILL...OR NEAR FALLSTAFF...AND WAS MOVING
NORTHEAST AT 10 MPH.
LOCATIONS IMPACTED INCLUDE...
LOCHEARN...
OWINGS MILLS...
GARRISON...
GWYNN OAK...
HOWARD PARK...
FALLSTAFF...
PIKESVILLE...
PIMLICO...
STEVENSON...
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.
MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST
RESORT...EITHER PARK AND STAY IN YOUR VEHICLE...OR ABANDON YOUR
VEHICLE AND LAY FLAT IN A LOW SPOT.
&&
LAT...LON 3942 7643 3931 7668 3929 7675 3937 7686
3954 7669 3959 7662
TIME...MOT...LOC 0055Z 240DEG 9KT 3935 7676
$$
BJLThe office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 8:10 PM EDT | Special Weather Statement | LWX | Carroll | 35 min |
| Aug 14, 8:14 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll, Harford | 46 min |
| Aug 14, 8:32 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll, Howard, City of Baltimore | 43 min |
| Aug 14, 9:13 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford, City of Baltimore | 47 min |
| Aug 14, 9:32 PM EDT | Flash Flood Warning | LWX | Baltimore, Howard, City of Baltimore | 5 hr |
| Aug 14, 9:48 PM EDT | Special Weather Statement | LWX | Carroll | 27 min |
| Aug 14, 9:54 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford, City of Baltimore | 51 min |
| Aug 14, 10:03 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford, City of Baltimore | 42 min |
| Aug 14, 10:14 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll, Frederick | 46 min |
| Aug 14, 10:37 PM EDT | Tornado Warning | LWX | Baltimore, Harford | 23 min |
| Aug 14, 10:43 PM EDT | Flash Flood Warning | LWX | Baltimore, Harford | 2 hr |
| Aug 14, 10:57 PM EDT | Special Weather Statement | LWX | Baltimore | 48 min |
| Aug 14, 11:06 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 39 min |
| Aug 14, 11:16 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 34 min |
| Aug 15, 1:35 AM EDT | Flash Flood Warning | LWX | Baltimore | 62 min |
| Aug 15, 2:35 AM EDT | Areal Flood Warning | LWX | Baltimore, City of Baltimore | 115 min |
| Aug 15, 3:25 PM EDT | Special Weather Statement | LWX | City of Baltimore | 35 min |
Nearby
Tornado Warnings in Maryland, 2012Every tornado warning in 2012Tornadoes 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.