Alert archive / Maryland / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 137, NWS Baltimore/Washington

June 16, 2002Calvert County, Maryland

NWS Baltimore/Washington issued this severe thunderstorm warning at Jun 16, 2002, 5:32 PM EDT for Calvert County, Maryland. It was in force for 38 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jun 16, 2002, 5:32 PM EDT (21:32 UTC)
Expired: Jun 16, 2002, 6:10 PM EDT
In force: 38 min
Issued by: NWS Baltimore/Washington
Area: Whole counties

County Calvert County, MD

What was reported inside it

Time	Report	Where	Remark
Jun 16, 5:45 PM EDT	Thunderstorm Wind	Countywide, MD	Wires were downed by high winds just west of Kings Beach.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

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 16, 2:00 PM EDT, 3 hours 32 minutes earlier.

Area forecast discussion, Jun 16, 2:00 PM EDT, 3 hours 32 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON
200 PM EDT SUN JUN 16 2002

SHORT TERM...TONIGHT THRU MON NIGHT...

UPR LVL LOW OVR ONTARIO THIS MORNING WILL OPEN UP AND LIFT INTO
QUEBEC THIS PERIOD. HOWEVER...UPR LVL TROF AXIS WILL REMAIN OVR THE
ERN STATES DURING THE PERIOD WITH WEAK SHORTWAVES ROTATING THRU THE
TROF POSITION. ONE SHORTWAVE IS PASSING WELL N OF THE AREA THIS EVE.
ANOTHER SHORTWAVE WILL PASS BY TO THE N OF THE AREA ON MON WITH
ANOTHER ONE APPROACHING LATE MON NIGHT. AT THE SFC...WEAK CDFNT
PUSING THRU THE AREA THIS AFTRN. ETA MODEL HINTS AT ANOTHER WEAK
CDFNT/SFC TROF MOVING THRU MON AFTRN WITH HIGH PRES TO FOLLOW FOR
LATE MON INTO TUE.

AS WEAK BOUNDARY PASSES S OF THE AREA TONIGHT...CLOUDS SHOULD MOVE
OUT OF THE AREA. WILL INDICATE P/C SKIES EARLY...THEN M/CLR OVRNGT.

MOISTURE IS LIMITED WITH THE NEXT SHORTWAVE/SFC TROF THAT AFFECTS
THE AREA ON MON. IN ADDTN...BEST DYNAMICS STAY N OF THE AREA. WILL
GO WITH P/CLDY SKIES ON MON. 850-500MB LAPSE RATES DO INCREASE TO
NEAR 7.0C/KM MON AFT AND EVENING AND LIS DROP TO AROUND ZERO. CAN
NOT RULE OUT AN ISOLD SHRA OR TSRA OVR THE AREA MON AFTRN BUT ONLY A
20 POP SO WILL NOT MENTION IT ATTM.

JUST SOME PATCHY MID CLDS MON NIGHT IN ADVANCE OF THE NEXT
SHORTWAVE. NO PCPN EXPECTED AS ATMOSPHERE SHOULD BE TOO DRY...BEST
DYNAMICS STAY N OF THE AREA AND SFC HIGH PRES DOMINATING.

NGM/ETA AND AVN MOS TEMPS ARE ALL IN THE SAME BALLPARK AND ACCEPTED
WITH ONLY MINOR ADJUSTMENTS.

WALSTON

...LONGER TERM...TUE THROUGH SUN...

UL TROF BEGINS TO LIFT NE OF AREA EARLY TUE AND ONLY A WEAK FEATURE
REMAINS BY TUE AFT WHEN WEAK VORT SPOKE PASSES THRU PA AND N CWA. AT
SFC...WEAK HIGH PRES 18Z TUE AND HEIGHTS ARE STARTING TO BUILD
ALOFT. A LITTLE LLRH REMAINS OVER AREA TUE AFT SO PARTLY CLOUDY.
TAKING ALL OF THESE CONDITIONS INTO ACCOUNT...BELIEVE WEAK DYNAMICS
AND LIMITED RH WILL BE OVERCOME BY BUILDING HEIGHTS...PREVENTING
PRECIP FROM FORMING. HAVE DECIDED TO REMOVE CHANCE SHRA/TSRA TUE AND
TUE NIGHT. WILL REPLACE WITH SILENT 20 POP...SIMILAR TO MON AFT
FCST.

BY WED...RIDGING TAKES CONTROL OF CWA LEADING TO DRY AND MOSUNNY
CONDITIONS. THIS RIDGE WILL STAY IN PLACE THROUGH FRI. BY SAT...THE
OFFSHORE HIGH MOVES FAR ENOUGH OFFSHORE TO ALLOW S FLOW TO BRING IN
SOME LLRH. WILL HAVE PTCLDY FCST SAT AND SUN.

REGARDING TEMPS...EVEN WITH SUBSTANTIAL RIDGING...850MB TEMPS ONLY
REACH +14C SO NO HEAT WAVE TO WORRY ABOUT. MAYBE NEAR 90 ONE DAY.
GUIDANCE TEMPS LOOKED REASONABLE THROUGH EXTENDED PERIOD.

MMARGRAF

.LWX...
DC...NONE.
MD...NONE.
VA...NONE.
WV...NONE.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 16, 5:34 PM EDT	Special Marine Warning	LWX		56 min
Jun 16, 5:07 PM EDT	Severe Thunderstorm Warning	LWX	Charles	38 min

Nearby

Severe Thunderstorm Warnings in Maryland, 2002 Every severe thunderstorm warning in 2002

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data.