Alert archive / Maryland / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 1, NWS Philadelphia/Mount Holly

January 19, 1996Caroline County, Talbot County, Maryland

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jan 19, 1996, 11:49 AM EST for Caroline County, Talbot County, Maryland. It was in force for 41 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: Jan 19, 1996, 11:49 AM EST (16:49 UTC)
Expired: Jan 19, 1996, 12:30 PM EST
In force: 41 min
Issued by: NWS Philadelphia/Mount Holly
Area: Whole counties

Counties Caroline County, MD, Talbot County, MD

The radar

The Dover AFB radar (KDOX), 49 km from the middle of the area, began a volume at 16:51 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.

What was reported inside it

Time	Report	Where	Remark
Jan 19, 12:20 PM EST	Thunderstorm Wind	Federalsburg, 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

Wallops Is Stn, VA (KWAL), launched 12:00Z, 4.8 hours before the alert went out and 111 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 524 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 398 m²/s²
0-3 km storm-relative helicity: 402 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS1 KPHL 191654 RRA
SVRPHL
MDC011-041-191730-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PHILADELPHIA/MOUNT HOLLY NJ
1149 AM EST FRI JAN 19 1996
 
THE NATIONAL WEATHER SERVICE IN PHILADELPHIA/MOUNT HOLLY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1230 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN  MARYLAND
 
   ...CAROLINE COUNTY...TALBOT COUNTY
 
AT 1145 AM EST...WEATHER SERVICE RADAR INDICATED SEVERE THUNDERSTORMS
MOVING THROUGH WESTERN TALBOT COUNTY IN MARYLAND. THESE STORMS ARE
MOVING TO THE NORTHEAST AT AROUND 40 MPH AND WILL ENTER CAROLINE COUNTY
WITHIN THE NEXT HALF HOUR OR SO. THESE STORMS HAVE A HISTORY OF
PRODUCING DOWNED TREES AND POWER LINES.
 
THIS IS A DANGEROUS STORM.  PREPARE FOR STRONG DAMAGING WINDS...
LARGE HAIL...HEAVY RAINS AND DEADLY LIGHTNING.  SHOULD THE STORM
APPROACH MOVE INSIDE QUICKLY. DO NOT STAND NEAR WINDOWS.  MOBILE
HOMES ARE MOST VULNERABLE TO HIGH WINDS AND SHOULD BE AVOIDED.
 
AMC

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 19, 10:00 AM EST	Flash Flood Warning	PHI	Cecil	9 hr

Nearby

Severe Thunderstorm Warnings in Maryland, 1996 Every severe thunderstorm warning in 1996

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; radar from the NEXRAD Level II archive.