Alert archive / Maryland / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 123, NWS Wakefield, VA

August 2, 2002Somerset County, Maryland

NWS Wakefield, VA issued this severe thunderstorm warning at Aug 2, 2002, 2:24 PM EDT for Somerset County, Maryland. It was in force for 31 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: Aug 2, 2002, 2:24 PM EDT (18:24 UTC)
Expired: Aug 2, 2002, 2:55 PM EDT
In force: 31 min
Issued by: NWS Wakefield, VA
Area: Whole counties

County Somerset County, MD

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 6.4 hours before the alert went out and 43 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: 1282 J/kg
Mixed-layer CIN: -59 J/kg
Mixed-layer LCL: 1242 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 33 m²/s²
0-3 km storm-relative helicity: 89 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.5

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 Wakefield, VA wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 2, 10:05 AM EDT, 4 hours 19 minutes earlier.

Area forecast discussion, Aug 2, 10:05 AM EDT, 4 hours 19 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE WAKEFIELD, VA
1005 AM EDT FRI AUG 2 2002

HAZY...LAZY...HOT DAYS OF SUMMER ROLL ON...SLGT CHGS IN AMS PAST 24
HRS INCLD...SLGT COOLING IN H7-5 LYR BUT SLGT WRMG IN LLVLS. POCKET
OF H85 +20 DEGS C POISED JUST NW OF RGN THIS MORNING...WL TRY TO
PRESS INTO RGN THIS AFTN IN NNWLY FLO. ERYR...ISLTD SHRAS/TSRAS...HV
NOW DSPTD...DECENT CVRG OF AC SRN VA INTO NE NC...OTRW SKC. TEMPS WL
TAKE A RUN AT THE UPR 90S/NR 100 INLAND...ESP IF DWPTS (CURRENTLY IN
LWR/MID 70S) MIX OUT AND LWR INTO 60S. THINK HI WL BE 100-105 DEGS F
(JUST BLO HEAT ADVSRY)...ESP TWD CST AND INTO NE NC...WL MONITOR THAT
THE NEXT CPL HRS. ENUF INSTABILITY/MSTR IN AMS TO WARRANT ISLTD
CHCS...CERTAINLY NO DROUGHT BUSTER.

FCSTID = 25

.AKQ...
MD...NONE.
NC...NONE.
VA...NONE.

In the hours before

Special weather statement, Aug 2, 1:30 PM EDT, 54 minutes before

VAZ065>068-070-079>081-087-088-092-021930-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
130 PM EDT FRI AUG 2 2002

...THUNDERSTORMS DEVELOPING ACROSS CENTRAL AND SOUTHCENTRAL
VIRGINIA...

AT 130 PM...DOPPLER RADAR INDICATED DEVELOPING SHOWERS AND
THUNDERSTORMS OVER LUNENBURG AND NOTTOWAY COUNTIES.  THESE STORMS
WERE GENERALLY MOVING SOUTHWEST AROUND 10 TO 15 MPH.  FURTHER STORM
DEVELOPMENT WILL BE POSSIBLE FROM CHESTERFIELD...TO MECKLENBURG...TO
SOUTHAMPTON COUNTIES THROUGH 330 PM.  BRIEF HEAVY RAINFALL AND
FREQUENT LIGHTNING WILL BE POSSIBLE WITH THE STRONGEST
STORMS...ALONG WITH PONDING OF WATER ON ROADS AND LOCALIZED FLOODING
IN LOW LYING AREAS.

FOSTER

Special weather statement, Aug 2, 1:40 PM EDT, 44 minutes before

MDZ022>024-021845-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
140 PM EDT FRI AUG 2 2002

...THUNDERSTORMS OVER THE MARYLAND EASTERN SHORE...

AT 140 PM...DOPPLER RADAR INDICATED A CLUSTER OF SHOWERS AND
THUNDERSTORMS OVER WICOMICO COUNTY ON THE MARYLAND EASTERN SHORE.
THESE STORMS WERE SLOWLY MOVING TO THE SOUTH AND WILL LIKELY AFFECT
NORTHERN SOMERSET AND WESTERN WORCESTER COUNTIES BY 200 PM.  HEAVY
RAINFALL FROM THESE SLOW MOVING STOMRS WILL LIKELY PRODUCE PONDING
OF WATER ON ROADS AND LOCALIZED FLOODING IN LOW LYING AREAS.  THESE
STORMS WILL ALSO PRODUCE FREQUENT DANGEROUS LIGHTNING AND POSSIBLE
SMALL HAIL.

FOSTER

Local storm report, Aug 2, 2:00 PM EDT, 24 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WAKEFIELD VA
200 PM EDT FRI AUG 02 2002

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

0151 PM    2E SALISBURY              MD   1.00 IN HAIL
08/02/02   WICOMICO

The office that day

Everything else NWS Wakefield, VA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 2, 2:23 PM EDT	Severe Thunderstorm Warning	AKQ	Amelia	27 min
Aug 2, 3:14 PM EDT	Severe Thunderstorm Warning	AKQ	Accomack	46 min
Aug 2, 4:51 PM EDT	Severe Thunderstorm Warning	AKQ	Chesterfield, City of Colonial Heights	14 min
Aug 2, 5:52 PM EDT	Severe Thunderstorm Warning	AKQ	Dinwiddie	28 min
Aug 2, 1:54 PM EDT	Severe Thunderstorm Warning	AKQ	Wicomico	41 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; the sounding from the Mesonet's radiosonde archive.