Alert archive / Maryland / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 166, NWS Baltimore/Washington

July 5, 2004Anne Arundel County, Harford County, Maryland

NWS Baltimore/Washington issued this severe thunderstorm warning at Jul 5, 2004, 4:30 PM EDT for Anne Arundel County, Harford County, Maryland. It was in force for 45 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 5, 2004, 4:30 PM EDT (20:30 UTC)
Expired: Jul 5, 2004, 5:15 PM EDT
In force: 45 min
Issued by: NWS Baltimore/Washington
Area: Counties, with a storm outline in the text

Counties Anne Arundel County, MD, Harford County, MD

The radar

The Sterling radar (KLWX), 96 km from the middle of the area, began a volume at 20:30 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 5, 2:30 PM EDT, 2 hours earlier.

Area forecast discussion, Jul 5, 2:30 PM EDT, 2 hours before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
230 PM EDT MON JUL 5 2004

.SHORT TERM...TONIGHT-TUE...

CD FNT PUSHES THRU CWA THIS EVE. ISOLD TRW PSBL THRU MDNGT WL BE
COVERED W/ 20 POPS. LOWER PWALS THAN YDAY (OF COURSE...WE BROKE
THE 7/4 RECORD AT DCA YDAY, SO NOT HARD TO BE LOWER) BUT BELIEVE
BRIEF HVY DOWNPOURS ARE PSBL W/ THESE. SHEAR IS ESSENTIALLY
UNIDIRECTIONAL. WL KEEP A SLIVER OF SLT CHC POPS IN THE SE PAST
MDNGT UNTIL THE FNT CLRS THE CST.

BLV THERE WL AGN BE PTCHY GND FG TNGT. W/ DRYING TDA DO NOT THINK IT
WL BE AS WIDESPREAD/THICK AS THIS MRNG. LATER SHIFTS CAN INCLUDE IN
ZN UPDATE IF IM MISCALCULATING.

TMRW WL BE WARM BUT DRIER/LOWER DWPTS. HV CUT BACK ON SKY CVR W/ RDG
OVRHD.

WOODY

&&

.LONG TERM TUE NGT THRU MON...
MODELS HINT AT A BOUNDARY OVER THE AREA TO START THE PERIOD...ALG
WITH SOME INSTAB. MOISTURE IS ON THE LOW SIDE HOWEVER WITH PW VALUES
LESS THAN 1.5 AREAWIDE (CLOSER TO 1 ERN ZONES). UPR LVL RDGG SHD
ALSO HELP TO INHIBIT UVV. WILL CONT WITH DRY FCST TUE NGT FOR NOW
BUT WILL CONT TO MONITOR.

PREFRONTAL TROF MOVES INTO CWA WED. LOOKS LIKE ENOUGH MOISTURE AND
INSTAB FOR CHC POPS EVERYWHERE IN THE AFTN AND AT NGT. CDFNT MOVES
THRU THU. LEFT IN SOME POPS FOR ABT THE ERN 2/3RDS PRIOR TO 18Z.

DECENT DRYING TAKES PLACE POST FROPA THU NGT INTO THE WEEKEND. NO
PRECIP IS EXPECTED. HAVE BRIGHTENED UP THE SKY FCST A BIT AFTER
TAKING A LOOK AT RH FCSTS/MODEL SOUNDINGS. LOOKS LIKE A NICE WEEKEND
TO HEAD FOR THE BEACH. SEASONABLY HOT WITH ABUNDANT SUNSHINE.

GFSLR SHOWS CDFNT ON OUR WRN DOORSTEP BY LATE MON. HAVE INCLUDED CHC
POPS WRN ZONES FOR DAY 7.

RDH

.LWX WATCHES/WARNINGS/ADVISORIES...
DC...NONE.
MD...NONE.
VA...NONE.
WV...NONE.
MARINE...NONE.

&&

Hazardous weather outlook, Jul 5, 11:38 AM EDT, 4 hours 52 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1138 AM EDT MON JUL 5 2004

DCZ001-MDZ002>007-009>011-013-014-016>018-VAZ021-025>031-036>042-
050>057-WVZ048>055-060800-
ALBEMARLE VA-ALLEGANY MD-ANNE ARUNDEL MD-
ARLINGTON/FALLS CHURCH/ALEXANDRIA VA-AUGUSTA VA-BERKELEY WV-
CALVERT MD-CARROLL MD-CHARLES MD-CLARKE VA-CULPEPER VA-
DISTRICT OF COLUMBIA DC-FAIRFAX VA-FAUQUIER VA-FREDERICK VA-
FREDERICK MD-GRANT WV-GREENE VA-HAMPSHIRE WV-HARDY WV-HARFORD MD-
HIGHLAND VA-HOWARD MD-JEFFERSON WV-KING GEORGE VA-LOUDOUN VA-
MADISON VA-MINERAL WV-MONTGOMERY MD-MORGAN WV-NELSON VA-
NORTHERN BALTIMORE MD-ORANGE VA-PAGE VA-PENDLETON WV-
PRINCE GEORGES MD-PRINCE WILLIAM/MANASSAS/MANASSAS PARK VA-
RAPPAHANNOCK VA-ROCKINGHAM VA-SHENANDOAH VA-SOUTHERN BALTIMORE MD-
SPOTSYLVANIA VA-ST. MARYS MD-STAFFORD VA-WARREN VA-WASHINGTON MD-
1138 AM EDT MON JUL 5 2004

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MARYLAND WEST OF THE CHESAPEAKE
BAY AND EAST OF GARRETT COUNTY...EASTERN WEST VIRGINIA...NORTHERN AND
CENTRAL VIRGINIA AND WASHINGTON DC.

.DAY ONE...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

In the hours before

Special weather statement, Jul 5, 3:42 PM EDT, 48 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
342 PM EDT MON JUL 5 2004

MDZ009-010-013-014-052030-
ANNE ARUNDEL MD-HOWARD MD-MONTGOMERY MD-PRINCE GEORGES MD-
342 PM EDT MON JUL 5 2004

A STRONG THUNDERSTORM WILL MOVE ACROSS EASTERN MONTGOMERY COUNTY
INTO SOUTHERN HOWARD COUNTY AND FAR NORTHERN PORTIONS OF PRINCE
GEORGES AND ANNE ARUNDEL COUNTIES THROUGH 4:30 PM. THIS STORM WILL
PRODUCE VERY HEAVY RAIN...SMALL HAIL AND WIND GUSTS TO 35 MPH.

SMITH

Local storm report, Jul 5, 3:54 PM EDT, 36 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
354 PM EDT MON JUL 05 2004

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

0340 PM     TSTM WND GST     STERLING PARK           39.00N 77.41W
07/05/2004  69 MPH           LOUDOUN            VA   NWS EMPLOYEE

            NWS STERLING FORECAST OFFICE.

&&

STRONG

Local storm report, Jul 5, 4:15 PM EDT, 15 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
415 PM EDT MON JUL 05 2004

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

0330 PM     TSTM WND DMG     ORANGE                  38.25N 78.11W
07/05/2004                   ORANGE             VA   LAW ENFORCEMENT

            2 LARGE TREES DOWN ON BRICK CHURCH ROAD.

&&

STRONG

Local storm report, Jul 5, 4:20 PM EDT, 10 minutes before

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Special weather statement, Jul 5, 4:28 PM EDT, 2 minutes before

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Local storm report, Jul 5, 4:30 PM EDT, 0 minutes before

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<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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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 5, 3:13 PM EDT	Severe Thunderstorm Warning	LWX	Orange	47 min
Jul 5, 3:19 PM EDT	Severe Thunderstorm Warning	LWX	Madison	11 min
Jul 5, 3:40 PM EDT	Severe Thunderstorm Warning	LWX	Fairfax, Loudoun, City of Fairfax	50 min
Jul 5, 3:48 PM EDT	Special Marine Warning	LWX		57 min
Jul 5, 3:57 PM EDT	Special Marine Warning	LWX		93 min
Jul 5, 3:57 PM EDT	Special Marine Warning	LWX		93 min
Jul 5, 6:24 PM EDT	Special Marine Warning	LWX		2 hr
Jul 5, 6:29 PM EDT	Special Marine Warning	LWX		91 min
Jul 5, 4:02 PM EDT	Severe Thunderstorm Warning	LWX	Montgomery	43 min
Jul 5, 4:54 PM EDT	Severe Thunderstorm Warning	LWX	Frederick, Washington	51 min
Jul 5, 5:24 PM EDT	Severe Thunderstorm Warning	LWX	Baltimore, Carroll	51 min

Nearby

Severe Thunderstorm Warnings in Maryland, 2004 Every severe thunderstorm warning in 2004

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.