Alert archive / Virginia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 162, NWS Baltimore/Washington

July 22, 20175 counties in Virginia

NWS Baltimore/Washington issued this severe thunderstorm warning at Jul 22, 2017, 6:09 PM EDT for 5 counties in Virginia. It was in force for 51 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: Jul 22, 2017, 6:09 PM EDT (22:09 UTC)
Expired: Jul 22, 2017, 7:00 PM EDT
In force: 51 min
Issued by: NWS Baltimore/Washington
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties City of Fredericksburg, VA, Culpeper County, VA, Orange County, VA, Spotsylvania County, VA, Stafford County, VA

The radar

The Sterling radar (KLWX), 75 km from the middle of the area, began a volume at 22:12 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 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 Jul 22, 2:41 PM EDT, 3 hours 28 minutes earlier.

Area forecast discussion, Jul 22, 2:41 PM EDT, 3 hours 28 minutes before

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Hazardous weather outlook, Jul 22, 4:30 PM EDT, 1 hour 39 minutes before

Hazardous Weather Outlook
National Weather Service Baltimore MD/Washington DC
430 PM EDT Sat Jul 22 2017

ANZ530>543-DCZ001-MDZ011-013-014-016>018-508-VAZ052>057-232030-
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-
430 PM EDT Sat Jul 22 2017

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 heat advisory is in effect for the Fredericksburg area across to
southern Maryland until 7 pm.

Isolated severe thunderstorms with damaging winds and large hail
are possible today.

Locally heavy rainfall with isolated-to-scattered incidents of
flooding are possible this afternoon and evening.

Scattered thunderstorms capable of producing strong winds are
possible over the waters late this afternoon and this evening.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Heat indices of 105 degrees are possible Sunday.

Isolated severe thunderstorms with damaging winds and hail are
possible Sunday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is possible today and Sunday.

MDZ003>006-501>507-VAZ025>031-036>040-050-051-501>508-WVZ050>053-
055-501>506-232030-
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-
430 PM EDT Sat Jul 22 2017

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

Isolated severe thunderstorms with damaging winds and large hail
are possible today.

Locally heavy rainfall with isolated-to-scattered incidents of
flooding are possible this afternoon and evening.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Heat indices as high as 105 degrees are possible for Piedmont
areas east of the Blue Ridge Sunday. Heat indices of 100 degrees
or higher are possible for lower elevations west of the Blue Ridge
Sunday.

Isolated severe thunderstorms with damaging winds and hail are
possible Sunday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is possible today and Sunday.

HTS

In the hours before

Local storm report, Jul 22, 4:59 PM EDT, 1 hour 10 minutes before

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Local storm report, Jul 22, 5:22 PM EDT, 47 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
522 PM EDT SAT JUL 22 2017

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

0214 PM     TSTM WND DMG     WHEATON                 39.04N  77.05W
07/22/2017                   MONTGOMERY         MD   PUBLIC

            TREE DOWN ON CAR ON ELNORA STREET BETWEEN GALT AVENUE
            AND GRANDVIEW AVENUE.

&&

EVENT NUMBER LWX1702455

DH

Local storm report, Jul 22, 5:25 PM EDT, 44 minutes before

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Local storm report, Jul 22, 5:27 PM EDT, 42 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
527 PM EDT SAT JUL 22 2017

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

0255 PM     TSTM WND GST     2 N RIVA                38.97N  76.59W
07/22/2017  M62 MPH          ANNE ARUNDEL       MD   NWS EMPLOYEE

            SEVERAL LARGE TREE LIMBS AND AT LEAST ONE WHOLE TREE
            DOWN IN THE SOUTHAVEN NEIGHBORHOOD OF ANNAPOLIS.

&&

EVENT NUMBER LWX1702457

DH

Local storm report, Jul 22, 5:55 PM EDT, 14 minutes before

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Local storm report, Jul 22, 6:02 PM EDT, 7 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 22, 3:09 AM EDT	Heat Advisory	LWX	Arlington, Fairfax, King George, Spotsylvania, Stafford, City of Alexandria and 3 more	16 hr
Jul 22, 12:57 PM EDT	Severe Thunderstorm Warning	LWX	Loudoun	48 min
Jul 22, 1:58 PM EDT	Special Marine Warning	LWX		92 min
Jul 22, 2:11 PM EDT	Special Marine Warning	LWX		2 hr
Jul 22, 2:35 PM EDT	Special Marine Warning	LWX		85 min
Jul 22, 3:17 PM EDT	Special Marine Warning	LWX		88 min
Jul 22, 3:46 PM EDT	Special Marine Warning	LWX		89 min
Jul 22, 5:20 PM EDT	Special Marine Warning	LWX		85 min
Jul 22, 5:55 PM EDT	Special Marine Warning	LWX		2 hr
Jul 22, 6:03 PM EDT	Special Marine Warning	LWX		117 min
Jul 22, 6:16 PM EDT	Tornado Warning	LWX	Spotsylvania, Stafford, City of Fredericksburg	29 min
Jul 22, 6:36 PM EDT	Special Marine Warning	LWX		114 min
Jul 22, 6:39 PM EDT	Severe Thunderstorm Warning	LWX	King George, Stafford	51 min
Jul 22, 6:42 PM EDT	Special Marine Warning	LWX		63 min
Jul 22, 7:10 PM EDT	Special Marine Warning	LWX		95 min
Jul 22, 7:51 PM EDT	Special Marine Warning	LWX		54 min
Jul 22, 2:03 PM EDT	Severe Thunderstorm Warning	LWX	Howard, Montgomery	27 min
Jul 22, 2:23 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Howard, Montgomery, Prince George's	52 min
Jul 22, 6:06 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Calvert, Charles, Prince George's	54 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2017 Every severe thunderstorm warning in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.