Alert archive / Maryland / Tornado Warnings in 2012

Tornado Warning 1, NWS Wakefield, VA

February 24, 2012Wicomico County, Maryland

NWS Wakefield, VA issued this tornado warning at Feb 24, 2012, 4:23 PM EST for Wicomico County, Maryland. It was in force for 22 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
Feb 24, 2012, 4:23 PM EST (21:23 UTC)
Expired
Feb 24, 2012, 4:45 PM EST
In force
22 min
Issued by
NWS Wakefield, VA
Area
Storm-based polygon

County Wicomico County, MD

The radar

The Dover AFB radar (KDOX), 42 km from the middle of the area, began a volume at 21:23 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Feb 24, 1:19 PM ESTTornado WatchSPC7 hr

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 9.4 hours before the alert went out and 59 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.

Skew-T log-pSkew-T log-p diagram, Wallops Is Stn, VA at 12:00Z on 2012-02-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 50 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Wallops Is Stn, VA at 12:00Z on 2012-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 336 square meters per square second.1939587897117136156Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
50 J/kg
Mixed-layer CIN
-208 J/kg
Mixed-layer LCL
884 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
336 m²/s²
0-3 km storm-relative helicity
348 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

514 
WFUS51 KAKQ 242123
TORAKQ
MDC045-242145-
/O.NEW.KAKQ.TO.W.0001.120224T2123Z-120224T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WAKEFIELD VA
423 PM EST FRI FEB 24 2012

THE NATIONAL WEATHER SERVICE IN WAKEFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL WICOMICO COUNTY IN SOUTHEAST MARYLAND...

* UNTIL 445 PM EST

* AT 418 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR HEBRON...AND MOVING
  EAST AT 60 MPH.

* THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF NORTH
  CENTRAL WICOMICO COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE... OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3846 7536 3845 7535 3844 7536 3842 7567
      3846 7569 3846 7568 3846 7557
TIME...MOT...LOC 2123Z 257DEG 54KT 3846 7558

$$

LBROWN
1 follow-up statement
003 
WWUS51 KAKQ 242143
SVSAKQ

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
443 PM EST FRI FEB 24 2012

MDC045-242153-
/O.EXP.KAKQ.TO.W.0001.000000T0000Z-120224T2145Z/
WICOMICO MD-
443 PM EST FRI FEB 24 2012

...THE TORNADO WARNING FOR NORTH CENTRAL WICOMICO COUNTY WILL EXPIRE
AT 445 PM EST...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY
FROM HAIL OR DAMAGING WINDS.

LAT...LON 3846 7536 3845 7535 3844 7536 3842 7567
      3846 7569 3846 7568 3846 7557
TIME...MOT...LOC 2143Z 257DEG 54KT 3853 7521

$$

LBROWN

The office that day

Everything else NWS Wakefield, VA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 24, 3:21 PM ESTSpecial Weather StatementAKQDorchester69 min
Feb 24, 3:30 PM ESTSevere Thunderstorm WarningAKQDorchester, Wicomico45 min
Feb 24, 4:14 PM ESTSevere Thunderstorm WarningAKQDorchester, Somerset, Wicomico, Worcester46 min
Feb 24, 4:56 PM ESTSevere Thunderstorm WarningAKQSomerset, Wicomico, Worcester49 min
Feb 24, 5:13 PM ESTSevere Thunderstorm WarningAKQSomerset, Worcester32 min
Feb 24, 6:30 PM ESTSpecial Weather StatementAKQWorcester60 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.