Alert archive / Maryland / Special Weather Statements in 2012

Special Weather Statement, NWS Pittsburgh, PA

March 30, 2012Garrett County, Maryland

NWS Pittsburgh, PA issued this special weather statement at Mar 30, 2012, 11:46 PM EDT for Garrett County, Maryland. It was in force for 29 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
Mar 30, 2012, 11:46 PM EDT (03:46 UTC)
Expired
Mar 31, 2012, 12:15 AM EDT
In force
29 min
Issued by
NWS Pittsburgh, PA

County Garrett County, MD

The radar

The Pittsburgh radar (KPBZ), 151 km from the middle of the area, began a volume at 03:47 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

Pittsburgh, PA (KPIT), launched 00:00Z, 3.8 hours before the alert went out and 135 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, Pittsburgh, PA at 00:00Z on 2012-03-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 00:00Z on 2012-03-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 346 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1221 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
346 m²/s²
0-3 km storm-relative helicity
441 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.7

Open this sounding in Storm Lab

The text

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

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Pittsburgh, PA wrote its last area forecast discussion before this special weather statement went out at Mar 30, 11:43 PM EDT, 3 minutes earlier.

Area forecast discussion, Mar 30, 11:43 PM EDT, 3 minutes before
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Hazardous weather outlook, Mar 30, 11:39 PM EDT, 7 minutes before
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In the hours before

Special weather statement, Mar 30, 10:06 PM EDT, 1 hour 40 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
1006 PM EDT FRI MAR 30 2012

OHZ049-050-059-PAZ029-031-WVZ002>004-310245-
BELMONT OH-BROOKE WV-GREENE PA-HARRISON OH-JEFFERSON OH-MARSHALL WV-
OHIO WV-WASHINGTON PA-
1006 PM EDT FRI MAR 30 2012

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN BELMONT...
NORTHEASTERN MARSHALL...NORTHWESTERN GREENE...OHIO...SOUTH CENTRAL
JEFFERSON...SOUTHEASTERN HARRISON...SOUTHERN BROOKE AND SOUTHWESTERN
WASHINGTON COUNTIES...

AT 1003 PM EDT...A STRONG THUNDERSTORM WAS LOCATED SAINT
CLAIRSVILLE...MOVING EAST AT 40 MPH.

WIND GUSTS TO 40 MPH AND HAIL UP TO DIME SIZE ARE POSSIBLE WITH THIS
STORM.

SOME LOCATIONS THAT WILL BE IMPACTED INCLUDE...
  SAINT CLAIRSVILLE...  NEW ATHENS...         SHADYSIDE...
  BELLAIRE...           BRIDGEPORT...         BENWOOD...
  MCMECHEN...           MARTINS FERRY...      WHEELING...
  YORKVILLE...          WARWOOD...            TILTONSVILLE...

PLEASE REPORT SIGNIFICANT WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

LAT...LON 4020 8014 3993 8016 3997 8097 4019 8100
Special weather statement, Mar 30, 10:10 PM EDT, 1 hour 36 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
1010 PM EDT FRI MAR 30 2012

OHZ068-069-PAZ031-WVZ004-012-021-022-310300-
GREENE PA-MARION WV-MARSHALL WV-MONONGALIA WV-MONROE OH-NOBLE OH-
WETZEL WV-
1010 PM EDT FRI MAR 30 2012

...A STRONG THUNDERSTORM WILL AFFECT EXTREME SOUTHWESTERN GREENE...
MONROE...NORTHWESTERN MARION...NORTHWESTERN MONONGALIA...SOUTHEASTERN
NOBLE...SOUTHERN MARSHALL AND WETZEL COUNTIES...

AT 1008 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 4 MILES SOUTH OF
LEWISVILLE...MOVING EAST AT 50 MPH.

WIND GUSTS TO 50 MPH AND HAIL UP TO DIME SIZE ARE POSSIBLE WITH THIS
STORM.

SOME LOCATIONS THAT WILL BE IMPACTED INCLUDE...
  LEWISVILLE...         HARRIETTSVILLE...     GRAYSVILLE...
  WOODSFIELD...         ANTIOCH...            BENWOOD...
  ROUND BOTTOM...       FLY...                CAMERON...
  HANNIBAL...           NEW MARTINSVILLE...   PROCTOR...

PLEASE REPORT SIGNIFICANT WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

LAT...LON 3951 8076 3959 8086 3958 8089 3960 8095
      3955 8101 3962 8139 3981 8131 3971 8033
      3945 8039
Special weather statement, Mar 30, 10:30 PM EDT, 1 hour 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
1030 PM EDT FRI MAR 30 2012

MDZ001-PAZ031-075-076-WVZ004-022-023-310330-
FAYETTE PA-FAYETTE RIDGES PA-GARRETT MD-GREENE PA-MARSHALL WV-
MONONGALIA WV-PRESTON WV-
1030 PM EDT FRI MAR 30 2012

...A STRONG THUNDERSTORM WILL AFFECT EAST CENTRAL MARSHALL...
GREENE...NORTHEASTERN MONONGALIA...NORTHEASTERN PRESTON...
NORTHWESTERN GARRETT AND SOUTHERN FAYETTE COUNTIES...

AT 1027 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 4 MILES SOUTH OF
RYERSON STATION...MOVING EAST AT 50 MPH.

WIND GUSTS TO 40 MPH AND HAIL UP TO DIME SIZE ARE POSSIBLE WITH THIS
STORM.

SOME LOCATIONS THAT WILL BE IMPACTED INCLUDE...
  ROCKLICK...           RYERSON STATION...    BUZZ...
  ROGERSVILLE...        BLACKSVILLE...        WAYNESBURG...
  MOUNT MORRIS...       CARMICHAELS...        BOBTOWN...
  NEMACOLIN...          GREENSBORO...         MASONTOWN...

PLEASE REPORT SIGNIFICANT WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

LAT...LON 3959 7937 3975 8055 3996 8052 3986 7941
      3982 7936 3979 7936 3978 7936 3978 7938
      3977 7937 3974 7939 3973 7938 3972 7934
Special weather statement, Mar 30, 10:45 PM EDT, 1 hour 1 minute before
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Special weather statement, Mar 30, 10:58 PM EDT, 48 minutes before
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Special weather statement, Mar 30, 11:46 PM EDT, 0 minutes before
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The office that day

Everything else NWS Pittsburgh, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 30, 9:12 PM EDTSpecial Weather StatementPBZWashington48 min
Mar 30, 10:04 PM EDTSpecial Weather StatementPBZFayette41 min
Mar 30, 10:30 PM EDTSpecial Weather StatementPBZGreene60 min
Mar 30, 10:45 PM EDTSpecial Weather StatementPBZFayette60 min
Mar 30, 8:18 PM EDTSpecial Weather StatementPBZCarroll42 min
Mar 30, 8:29 PM EDTSevere Thunderstorm WarningPBZCoshocton, Guernsey, Muskingum46 min
Mar 30, 8:31 PM EDTSpecial Weather StatementPBZHarrison, Jefferson44 min
Mar 30, 8:45 PM EDTSevere Thunderstorm WarningPBZGuernsey, Monroe, Muskingum, Noble45 min
Mar 30, 9:22 PM EDTSpecial Weather StatementPBZBelmont, Guernsey38 min
Mar 30, 10:06 PM EDTSpecial Weather StatementPBZBelmont39 min
Mar 30, 10:10 PM EDTSpecial Weather StatementPBZMonroe50 min
Mar 30, 9:52 PM EDTSpecial Weather StatementPBZMarshall38 min
Mar 30, 10:58 PM EDTSpecial Weather StatementPBZMarion, Monongalia, Preston62 min

Nearby

Special Weather Statements in Maryland, 2012Every special weather statement 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.