Alert archive / Maryland / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 105, NWS Philadelphia/Mount Holly

July 15, 2000Caroline County, Talbot County, Maryland

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 15, 2000, 5:34 PM EDT for Caroline County, Talbot County, Maryland. It was in force for 26 min. 2 reports 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
Jul 15, 2000, 5:34 PM EDT (21:34 UTC)
Expired
Jul 15, 2000, 6:00 PM EDT
In force
26 min
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

Counties Caroline County, MD, Talbot County, MD

What was reported inside it

TimeReportWhereRemark
Jul 15, 5:38 PM EDTHail 1Easton, MD
Jul 15, 5:38 PM EDTThunderstorm Wind 50 EEaston, MD

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.

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 9.6 hours before the alert went out and 122 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-pSkew-T log-p diagram, Washington/Dulle, VA at 12:00Z on 2000-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 64 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 12:00Z on 2000-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
64 J/kg
Mixed-layer CIN
-79 J/kg
Mixed-layer LCL
629 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
25 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS51 KPHI 152135
SVRPHL
MDC011-041-152200-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
534 PM EDT SAT JUL 15 2000

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN CAROLINE COUNTY IN EASTERN MARYLAND.
  CENTRAL TALBOT COUNTY IN EASTERN MARYLAND.

* UNTIL 600 PM EDT.

* AT 533 PM EDT...A TRAINED WEATHER SPOTTER REPORTED A SEVERE   
THUNDERSTORM WITH 1 INCH HAIL...3 MILES EAST OF EASTON...MOVING EAST AT 
20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  PRESTON AT 545 PM...

INTENSE LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IF
POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID
USING TELEPHONES UNLESS IT IS AN EMERGENCY. IF OUTDOORS...STAY AWAY
FROM ISOLATED HIGH OBJECTS SUCH AS TREES.

LARGE HAIL...DAMAGING WINDS...AND HEAVY RAINFALL ARE LIKELY WITH THIS
STORM. TAKE COVER IN A STURDY BUILDING UNTIL THE STORM HAS PASSED.

FOR THE LATEST STORM INFORMATION...PLEASE TUNE TO NOAA WEATHER
RADIO...YOUR LOCAL RADIO OR TELEVISION STATION...OR YOUR CABLE
TELEVISION OUTLET.

$$
LAT...LON 3885 7614 3867 7614 3870 7586 3887 7586

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 14, 8:26 PM EDTSevere Thunderstorm WarningPHIKent34 min
Jul 14, 11:45 PM EDTFlash Flood WarningPHIKent, Queen Anne's3 hr
Jul 15, 12:20 AM EDTFlash Flood WarningPHICaroline, Talbot2 hr
Jul 15, 12:45 AM EDTSevere Thunderstorm WarningPHITalbot30 min
Jul 15, 1:10 AM EDTSevere Thunderstorm WarningPHICaroline35 min

Nearby

Severe Thunderstorm Warnings in Maryland, 2000Every severe thunderstorm warning in 2000

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; the sounding from the Mesonet's radiosonde archive.