Alert archive / West Virginia / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 93, NWS Baltimore/Washington

May 28, 2002Berkeley County, West Virginia

NWS Baltimore/Washington issued this severe thunderstorm warning at May 28, 2002, 7:19 PM EDT for Berkeley County, West Virginia. It was in force for 41 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: May 28, 2002, 7:19 PM EDT (23:19 UTC)
Expired: May 28, 2002, 8:00 PM EDT
In force: 41 min
Issued by: NWS Baltimore/Washington
Area: Whole counties

County Berkeley County, WV

The radar

The Sterling radar (KLWX), 71 km from the middle of the area, began a volume at 23:22 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

Washington/Dulle, VA (KIAD), launched 12:00Z, 11.3 hours before the alert went out and 79 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: 288 J/kg
Mixed-layer CIN: -114 J/kg
Mixed-layer LCL: 819 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 45 m²/s²
0-3 km storm-relative helicity: 47 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 May 28, 3:30 PM EDT, 3 hours 49 minutes earlier.

Area forecast discussion, May 28, 3:30 PM EDT, 3 hours 49 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON
330 PM EDT TUE MAY 28 2002

TDY THRU WED...

GOOD RH AND WEAK BOUNDARIES RMN OVR FA TDY. CONVECTION HAS STARTED
AGN THIS AFTN AND WILL CONTINUE INTO THIS EVENING. HIGH PWS...VERY
WEAK FLOW...AND LOW FFG WL CONTINUE A CHC OF FFS IN THE WESTERN 2/3
OF CWA. L/V WINDS AND HIGH DEWPOINT WL PRODUCE SOME FOG AGAIN OVER
THE FA. FOG SHUD DISSIPATE BY MID MORNING. LAPSE RATES WILL BE A
LITTLE LESS ON WEDNESDAY BUT STILL FEEL THAT IT WL BE CONDITIONAL
UNSTABLE ESPECIALLY IN OROGRAPHIC FAVORED AREAS SO WL PUT IN A CHC
OF TSRA IN THE WEST DURING THE AFTERNOON. ND

WED NIGHT THRU TUE...
RDG BLDS SANDWICHING THE REGION BETWEEN THE DISTURBANCE OFF THE SE
COAST AND THE LOW AND FNT ACRS THE GREAT LAKE REGION. TEMPS WILL
WARM THU WITH THE RIDGING AND FRI IN ADVANCE OF NEXT CDFNT MOVING
DOWN. S FLOW WILL ALSO KEEP DEW POINTS AND HUMIDITY UP IN ADVANCE OF
FNT. SCT SHWRS AND TSTMS ARE EXPCTD FRI. NW FLOW AND DRYING SAT
BEHIND THE FNT. HI PRES BUILDS IN SAT NIGHT AND MOVES OFF THE COAST
SUN. NEXT WX SYSTEM MOVES THROUGH MON AND TUE BRINGING CHC PCPN.
BMW

.LWX...
DC...NONE.
MD...FLOOD WATCH UNTIL MIDNIGHT FOR ZONES
     MDZ002>006...MDZ009>010.
VA...FLOOD WATCH UNTIL MIDNIGHT FOR ZONES
     VAZ021...VAZ025>031...VAZ036>042...VAZ050>053.
WV...FLOOD WATCH UNTIL MIDNIGHT FOR ZONES
     WVZ048>055.
END

In the hours before

Local storm report, May 28, 4:20 PM EDT, 2 hours 59 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON
420 PM EDT TUE MAY 28 2002

TIME(EDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0415 PM    SOUTH PORTION             WV   FLASH FLOODS
05/28/02   HAMPSHIRE                      2 ROADS CLOSED BY FLOODING
                                          IN SOUTHERN PORTION OF
                                          COUNTY. REPORTED BY STATE
                                          POLICE.

MKM

Special weather statement, May 28, 5:42 PM EDT, 1 hour 37 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
May 28, 5:07 PM EDT	Severe Thunderstorm Warning	LWX	Allegany	38 min
May 28, 2:12 PM EDT	Flash Flood Warning	LWX	Hampshire	3 hr

Nearby

Severe Thunderstorm Warnings in West Virginia, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.