Alert archive / Virginia / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 55, NWS Baltimore/Washington

June 4, 2016Albemarle County, Nelson County, City of Charlottesville, Virginia

NWS Baltimore/Washington issued this severe thunderstorm warning at Jun 4, 2016, 10:16 PM EDT for Albemarle County, Nelson County, City of Charlottesville, Virginia. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 4, 2016, 10:16 PM EDT (02:16 UTC)
Expired: Jun 4, 2016, 11:00 PM EDT
In force: 44 min
Issued by: NWS Baltimore/Washington
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Albemarle County, VA, City of Charlottesville, VA, Nelson County, VA

The radar

The Sterling radar (KLWX), 152 km from the middle of the area, began a volume at 02:19 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

Roanoke, VA (KRNK), launched 00:00Z, 2.3 hours before the alert went out and 112 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 83 J/kg
Mixed-layer CIN: -100 J/kg
Mixed-layer LCL: 1339 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 73 m²/s²
0-3 km storm-relative helicity: 126 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.9

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Baltimore/Washington wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 4, 9:53 PM EDT, 23 minutes earlier.

Area forecast discussion, Jun 4, 9:53 PM EDT, 23 minutes before

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Hazardous weather outlook, Jun 4, 9:26 PM EDT, 50 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
926 PM EDT SAT JUN 4 2016

ANZ530>543-DCZ001-MDZ011-013-014-016>018-508-VAZ052>057-060130-
CHESAPEAKE BAY NORTH OF POOLES ISLAND MD-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT MD-
CHESAPEAKE BAY FROM DRUM POINT MD TO SMITH POINT VA-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND MD-
TIDAL POTOMAC FROM COBB ISLAND MD TO SMITH POINT VA-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
CHESTER RIVER TO QUEENSTOWN MD-EASTERN BAY-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
PATUXENT RIVER TO BROOMES ISLAND MD-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH
ISLAND-DISTRICT OF COLUMBIA-SOUTHERN BALTIMORE-PRINCE GEORGES-
ANNE ARUNDEL-CHARLES-ST. MARYS-CALVERT-SOUTHEAST HARFORD-
PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX-
ARLINGTON/FALLS CHURCH/ALEXANDRIA-STAFFORD-SPOTSYLVANIA-
KING GEORGE-
926 PM EDT SAT JUN 4 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE MARYLAND PORTION OF THE
CHESAPEAKE BAY...TIDAL POTOMAC RIVER...AND ADJACENT COUNTIES IN
CENTRAL MARYLAND AND NORTHERN VIRGINIA AS WELL AS THE DISTRICT OF
COLUMBIA.

.DAY ONE...TONIGHT

A FLASH FLOOD WATCH IS IN EFFECT FOR STAFFORD AND SPOTSYLVANIA
COUNTIES OVERNIGHT.

SHOWERS AND THUNDERSTORMS CAPABLE OF HEAVY RAIN AND LOCALIZED
FLOODING ARE POSSIBLE ELSEWHERE OVERNIGHT. IN ADDITION...THUNDERSTORMS
MAY PRODUCE GUSTY WINDS OVER THE WATERS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

SHOWERS AND THUNDERSTORMS ARE EXPECTED SUNDAY. SOME THUNDERSTORMS
MAY BECOME SEVERE AND PRODUCE DAMAGING WINDS AND HEAVY RAINFALL.
TORRENTIAL DOWNPOURS SUNDAY MAY LEAD TO FLASH FLOODING OF STREAMS
AND CREEKS AS WELL AS URBAN AREAS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL BE POSSIBLE THIS AFTERNOON..AND LIKELY ON
SUNDAY.

MDZ003>006-501>507-VAZ025>031-036>040-050-051-501>508-WVZ050>053-
055-501>506-060130-
WASHINGTON-FREDERICK MD-CARROLL-NORTHERN BALTIMORE-
EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY-
NORTHWEST MONTGOMERY-CENTRAL AND SOUTHEAST MONTGOMERY-
NORTHWEST HOWARD-CENTRAL AND SOUTHEAST HOWARD-NORTHWEST HARFORD-
AUGUSTA-ROCKINGHAM-SHENANDOAH-FREDERICK VA-PAGE-WARREN-CLARKE-
NELSON-ALBEMARLE-GREENE-MADISON-RAPPAHANNOCK-ORANGE-CULPEPER-
NORTHERN FAUQUIER-SOUTHERN FAUQUIER-WESTERN HIGHLAND-
EASTERN HIGHLAND-WESTERN LOUDOUN-EASTERN LOUDOUN-
NORTHERN VIRGINIA BLUE RIDGE-CENTRAL VIRGINIA BLUE RIDGE-
HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON-HARDY-WESTERN GRANT-
EASTERN GRANT-WESTERN MINERAL-EASTERN MINERAL-WESTERN PENDLETON-
EASTERN PENDLETON-
926 PM EDT SAT JUN 4 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN WEST VIRGINIA...
NORTHERN AND CENTRAL VIRGINIA...AND CENTRAL AND WESTERN MARYLAND
WITH THE EXCEPTION OF GARRETT COUNTY.

.DAY ONE...TONIGHT

A FLASH FLOOD WATCH REMAINS IN EFFECT OVERNIGHT FROM PENDELTON
COUNTY WEST VIRGINIA AND HIGHLAND COUNTY VIRGINIA EASTWARD THROUGH
CENTRAL VIRGINIA.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

SHOWERS AND THUNDERSTORMS ARE EXPECTED SUNDAY. SOME THUNDERSTORMS
MAY BECOME SEVERE AND PRODUCE DAMAGING WINDS AND HEAVY RAINFALL.
TORRENTIAL DOWNPOURS SUNDAY MAY LEAD TO FLASH FLOODING OF STREAMS
AND CREEKS AS WELL AS URBAN AREAS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL BE POSSIBLE THIS AFTERNOON...AND WILL BE
LIKELY ON SUNDAY.

In the hours before

Local storm report, Jun 4, 4:38 PM EDT, 5 hours 38 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
438 PM EDT SAT JUN 04 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0345 PM     FLASH FLOOD      3 ESE LINVILLE          38.51N  78.79W
06/04/2016                   ROCKINGHAM         VA   911 CALL CENTER

            ROUTE 11 NORTH VALLEY PIKE CLOSED DUE TO HIGH WATER IN
            THE 6100 BLOCK.

&&

EVENT NUMBER LWX1603903

DH

Local storm report, Jun 4, 5:08 PM EDT, 5 hours 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
508 PM EDT SAT JUN 04 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0422 PM     FLASH FLOOD      2 NNE HINTON            38.49N  78.96W
06/04/2016                   ROCKINGHAM         VA   OTHER FEDERAL

            THE STREAM GAUGE ON MUDDY CREEK NEAR MT CLINTON ROSE
            RAPIDLY ABOVE THE FLOOD STAGE OF 8.0 FT BETWEEN 415 AND
            430 PM. WATER THREATENS LIVESTOCK FIELDS AND A BARN AT
            THESE LEVELS.

&&

EVENT NUMBER LWX1603904

ADS

Local storm report, Jun 4, 6:18 PM EDT, 3 hours 58 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
618 PM EDT SAT JUN 04 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0446 PM     FLOOD            4 NE DALE ENTERPRISE    38.49N  78.90W
06/04/2016                   ROCKINGHAM         VA   911 CALL CENTER

            SKIDMORE RD CLOSED DUE TO HIGH WATER FROM HEAVY RAIN

&&

EVENT NUMBER LWX1603905

ADS

Local storm report, Jun 4, 6:20 PM EDT, 3 hours 56 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
620 PM EDT SAT JUN 04 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0505 PM     FLOOD            2 NNE HARRISONBURG      38.46N  78.87W
06/04/2016                   CITY OF HARRISONBU VA   911 CALL CENTER

            NORTH LIBERTY ST AND JEFFERSON ST WERE CLOSED DUE TO
            URBAN FLOODING FROM HEAVY RAIN

&&

EVENT NUMBER LWX1603906

ADS

Local storm report, Jun 4, 7:59 PM EDT, 2 hours 17 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
759 PM EDT SAT JUN 04 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0641 PM     TSTM WND DMG     QUINQUE                 38.25N  78.40W
06/04/2016                   GREENE             VA   911 CALL CENTER

            MULTIPLE TREES DOWN ALONG AMICUS ROAD NEAR ROUTE 33.

&&

EVENT NUMBER LWX1603907

DH

Local storm report, Jun 4, 8:17 PM EDT, 1 hour 59 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
817 PM EDT SAT JUN 04 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0715 PM     FLOOD            3 NNE DALE ENTERPRISE   38.49N  78.93W
06/04/2016                   ROCKINGHAM         VA   911 CALL CENTER

            THREE FEET OF PONDED WATER IN THE 4200 BLOCK OF SINGERS
            GLEN ROAD.

&&

EVENT NUMBER LWX1603908

DH

The office that day

Everything else NWS Baltimore/Washington issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 4, 9:33 PM EDT	Coastal Flood Advisory	LWX	Arlington, City of Alexandria, City of Falls Church	13 hr
Jun 4, 9:35 PM EDT	Flash Flood Warning	LWX	Albemarle, Nelson	5 hr
Jun 4, 11:38 PM EDT	Areal Flood Warning	LWX	Page, Rockingham, Shenandoah, City of Harrisonburg	13 hr
Jun 5, 2:32 AM EDT	Areal Flood Warning	LWX	Albemarle, Nelson	9 hr
Jun 5, 10:08 AM EDT	Flash Flood Watch	LWX	Albemarle, Amherst, Augusta, Greene, Madison, Nelson and 10 more	8 hr
Jun 5, 2:40 PM EDT	Severe Thunderstorm Warning	LWX	Frederick, Loudoun	53 min
Jun 5, 3:58 PM EDT	Special Marine Warning	LWX		92 min
Jun 5, 4:15 PM EDT	Special Marine Warning	LWX		90 min
Jun 5, 4:30 PM EDT	Severe Thunderstorm Warning	LWX	Albemarle, Nelson	45 min
Jun 5, 5:15 PM EDT	Special Marine Warning	LWX		90 min
Jun 5, 5:23 PM EDT	Special Marine Warning	LWX		97 min
Jun 5, 6:19 PM EDT	Special Marine Warning	LWX		86 min
Jun 5, 7:22 PM EDT	Special Marine Warning	LWX		53 min
Jun 5, 3:13 PM EDT	Severe Thunderstorm Warning	LWX	Baltimore, Carroll, Frederick, Washington	48 min
Jun 5, 3:52 PM EDT	Severe Thunderstorm Warning	LWX	Baltimore, Carroll, Frederick, Harford, Howard, Montgomery and 1 more	38 min
Jun 5, 4:22 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Baltimore, Carroll, Harford, Howard, Montgomery and 1 more	53 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2016 Every severe thunderstorm warning in 2016

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.