Alert archive / Maryland / Tornado Warnings in 2021
Tornado Warning 2, NWS Baltimore/Washington
NWS Baltimore/Washington issued this tornado warning at Mar 28, 2021, 4:36 PM EDT for Carroll County, Frederick County, Maryland. It was in force for 24 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
- Mar 28, 2021, 4:36 PM EDT (20:36 UTC)
- Expired
- Mar 28, 2021, 5:00 PM EDT
- In force
- 24 min
- Issued by
- NWS Baltimore/Washington
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Carroll County, MD, Frederick County, MD
The radar
The Sterling radar (KLWX), 81 km from the middle of the area, began a volume at 20:36 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 |
|---|---|---|---|
| Mar 28, 4:36 PM EDT | TSTM WND DMG | 3 Sse Sabillasville, MD | WIRES AND POLE DOWN ON EYLERS VALLEY FLINT ROAD AS A RESULT OF A LARGE DOWNED TREE. SEVERAL OTHER TREES WERE BLOWN DOWN IN THE AREA, AND A PORTABLE GREENHOUSE WAS THROWN INTO NEARBY TREES. |
| Mar 28, 4:45 PM EDT | TSTM WND DMG | 3 Sse Sabillasville, MD | WIRES AND POLE DOWN ON EYLERS VALLEY FLINT ROAD. |
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, 8.6 hours before the alert went out and 82 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 500 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 232 m²/s²
- 0-3 km storm-relative helicity
- 255 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
033
WFUS51 KLWX 282036
TORLWX
MDC013-021-282100-
/O.NEW.KLWX.TO.W.0002.210328T2036Z-210328T2100Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Baltimore MD/Washington DC
436 PM EDT Sun Mar 28 2021
The National Weather Service in Sterling Virginia has issued a
* Tornado Warning for...
Northwestern Carroll County in north central Maryland...
North central Frederick County in north central Maryland...
* Until 500 PM EDT.
* At 436 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Thurmont, moving east at 50 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...For those in the direct path of a tornado touchdown,
flying debris will be dangerous to those caught without
shelter. Damage to roofs, siding, and windows may occur.
Mobile homes may be damaged or destroyed. Tree damage is
likely.
* This dangerous storm will be near...
Emmitsburg around 440 PM EDT.
Taneytown around 450 PM EDT.
Other locations impacted by this tornadic thunderstorm include
Harney, Keysville and Sabillasville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3964 7699 3963 7743 3969 7748 3972 7736
3972 7695
TIME...MOT...LOC 2036Z 263DEG 42KT 3967 7740
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
DHOF2 follow-up statements
771
WWUS51 KLWX 282042
SVSLWX
Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
442 PM EDT Sun Mar 28 2021
MDC013-021-282100-
/O.CON.KLWX.TO.W.0002.000000T0000Z-210328T2100Z/
Carroll MD-Frederick MD-
442 PM EDT Sun Mar 28 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM EDT FOR
NORTHWESTERN CARROLL AND NORTH CENTRAL FREDERICK COUNTIES IN NORTH
CENTRAL MARYLAND...
At 442 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Emmitsburg, moving east at 50 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...For those in the direct path of a tornado touchdown, flying
debris will be dangerous to those caught without shelter.
Damage to roofs, siding, and windows may occur. Mobile
homes may be damaged or destroyed. Tree damage is likely.
This dangerous storm will be near...
Taneytown around 450 PM EDT.
Other locations impacted by this tornadic thunderstorm include
Keysville and Harney.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3963 7737 3970 7743 3972 7736 3972 7695
3964 7699
TIME...MOT...LOC 2042Z 263DEG 42KT 3968 7731
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
DHOF481
WWUS51 KLWX 282049
SVSLWX
Severe Weather Statement
National Weather Service Baltimore MD/Washington DC
449 PM EDT Sun Mar 28 2021
MDC013-021-282100-
/O.CON.KLWX.TO.W.0002.000000T0000Z-210328T2100Z/
Carroll MD-Frederick MD-
449 PM EDT Sun Mar 28 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM EDT FOR
NORTHWESTERN CARROLL AND NORTH CENTRAL FREDERICK COUNTIES IN NORTH
CENTRAL MARYLAND...
At 448 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Taneytown, or near Emmitsburg, moving east at 50
mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...For those in the direct path of a tornado touchdown, flying
debris will be dangerous to those caught without shelter.
Damage to roofs, siding, and windows may occur. Mobile
homes may be damaged or destroyed. Tree damage is likely.
This tornadic thunderstorm will remain over mainly rural areas of
northwestern Carroll and north central Frederick Counties in north
central Maryland, including the following locations... Keysville and
Harney.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3963 7730 3969 7732 3972 7731 3972 7695
3964 7699
TIME...MOT...LOC 2048Z 263DEG 42KT 3969 7721
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
DHOFThe office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 28, 4:16 AM EDT | Wind Advisory | LWX | Allegany, Anne Arundel, Baltimore, Carroll, Cecil, Frederick and 6 more | 23 hr |
| Mar 28, 3:47 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 43 min |
| Mar 28, 4:23 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick, Washington | 52 min |
| Mar 28, 4:30 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Montgomery, Washington | 45 min |
| Mar 28, 5:05 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll, Howard, Montgomery | 40 min |
| Mar 28, 5:37 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford, City of Baltimore | 38 min |
| Mar 28, 5:43 PM EDT | Severe Thunderstorm Warning | LWX | Cecil, Harford | 47 min |
| Mar 28, 7:05 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Charles, Prince George's, Saint Mary's | 55 min |
Nearby
Tornado Warnings in Maryland, 2021Every tornado warning in 2021Tornadoes in 2021
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.