Alert archive / Maryland / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 292

May 13, 20004 states

The Storm Prediction Center issued this severe thunderstorm watch at May 13, 2000, 8:00 PM EDT for 4 states. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued
May 13, 2000, 8:00 PM EDT (00:00 UTC)
Expired
May 13, 2000, 11:00 PM EDT
In force
3 hr
Issued by
the Storm Prediction Center
All 22 counties

Kent County, DE, New Castle County, DE, Sussex County, DE, Calvert County, MD, Caroline County, MD, Cecil County, MD, Dorchester County, MD, Harford County, MD, Kent County, MD, Queen Anne's County, MD, Talbot County, MD, Wicomico County, MD, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cape May County, NJ, Cumberland County, NJ, Gloucester County, NJ, Salem County, NJ, Chester County, PA, Delaware County, PA, Philadelphia County, PA

Warnings issued inside it

13 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
May 13, 8:02 PM EDTSevere Thunderstorm WarningPHIQueen Anne's, Talbot58 min
May 13, 8:02 PM EDTSevere Thunderstorm WarningPHIKent58 min
May 13, 8:14 PM EDTSevere Thunderstorm WarningPHINew Castle36 min
May 13, 8:19 PM EDTSevere Thunderstorm WarningPHIBucks, Montgomery, Philadelphia41 min
May 13, 8:25 PM EDTSevere Thunderstorm WarningPHIKent35 min
May 13, 8:25 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester35 min
May 13, 8:25 PM EDTSevere Thunderstorm WarningPHICumberland, Salem35 min
May 13, 8:54 PM EDTSevere Thunderstorm WarningPHIKent46 min
May 13, 8:54 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester46 min
May 13, 8:54 PM EDTSevere Thunderstorm WarningPHICumberland, Salem46 min
May 13, 9:09 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer, Middlesex, Monmouth36 min
May 13, 9:10 PM EDTSevere Thunderstorm WarningAKQDorchester35 min
May 13, 9:20 PM EDTSevere Thunderstorm WarningPHISussex40 min

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 00:00Z, 0.0 hours before the alert went out and 126 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, Wallops Is Stn, VA at 00:00Z on 2000-05-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2226 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Wallops Is Stn, VA at 00:00Z on 2000-05-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 118 square meters per square second.193958Sfc1 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
2226 J/kg
Mixed-layer CIN
-167 J/kg
Mixed-layer LCL
1100 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
118 m²/s²
0-3 km storm-relative helicity
148 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.4

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

Nearby

Severe Thunderstorm Watches in Maryland, 2000Severe Thunderstorm Watches in New Jersey, 2000Severe Thunderstorm Watches in Delaware, 2000Every severe thunderstorm watch 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; the sounding from the Mesonet's radiosonde archive.