Alert archive / Maryland / Tornado Warnings in 2000

Tornado Warning 4, NWS Baltimore/Washington

May 13, 2000Harford County, Maryland

NWS Baltimore/Washington issued this tornado warning at May 13, 2000, 5:22 PM EDT for Harford County, Maryland. It was in force for 38 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: May 13, 2000, 5:22 PM EDT (21:22 UTC)
Expired: May 13, 2000, 6:00 PM EDT
In force: 38 min
Issued by: NWS Baltimore/Washington
Area: Whole counties

County Harford County, MD

What was reported inside it

Time	Report	Where	Remark
May 13, 5:22 PM EDT	Hail 1.75	Bel Air, MD	Dime to golfball sized hail fell.
May 13, 5:30 PM EDT	Thunderstorm Wind	Edgewood, MD	Several trees were downed.

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 13, 2:45 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 9.4 hours before the alert went out and 115 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: 680 J/kg
Mixed-layer CIN: -169 J/kg
Mixed-layer LCL: 1644 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 7 m²/s²
0-3 km storm-relative helicity: -23 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.7

Open this sounding in Storm Lab

The text

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

576 
WFUS51 KLWX 132122
TORWBC
MDC025-132200-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
522 PM EDT SAT MAY 13 2000

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* TORNADO WARNING FOR...
  HARFORD COUNTY IN NORTHERN MARYLAND

* UNTIL 600 PM EDT.

* AT 515 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION 6 MILES NORTHWEST OF
  JOPPATOWNE...OR ABOUT 13 MILES NORTHEAST OF BALTIMORE...MOVING EAST
  AT 20 MPH. THIS STORM COULD PRODUCE A TORNADO AT ANY TIME.

* THE TORNADO IS EXPECTED TO BE NEAR...
  JOPPATOWNE AT 530 PM EDT...
  BEL AIR AT 535 PM EDT...
  HAVRE DE GRACE AT 600 PM EDT...

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

NNNN

The office that day

Everything else NWS Baltimore/Washington issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 13, 2:55 PM EDT	Severe Thunderstorm Warning	LWX	Frederick, Montgomery	50 min
May 13, 4:40 PM EDT	Severe Thunderstorm Warning	LWX	Baltimore, Harford	35 min
May 13, 5:05 PM EDT	Tornado Warning	LWX	Baltimore	25 min
May 13, 5:13 PM EDT	Severe Thunderstorm Warning	LWX	Harford	47 min
May 13, 5:40 PM EDT	Severe Thunderstorm Warning	LWX	Washington	65 min
May 13, 6:16 PM EDT	Severe Thunderstorm Warning	LWX	Montgomery	29 min
May 13, 6:39 PM EDT	Severe Thunderstorm Warning	LWX	Carroll	66 min
May 13, 6:42 PM EDT	Severe Thunderstorm Warning	LWX	Montgomery	33 min
May 13, 6:56 PM EDT	Severe Thunderstorm Warning	LWX	Baltimore, Howard, City of Baltimore	34 min
May 13, 7:17 PM EDT	Severe Thunderstorm Warning	LWX	Charles, Prince George's	43 min
May 13, 7:35 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Baltimore, City of Baltimore	40 min
May 13, 7:35 PM EDT	Severe Thunderstorm Warning	LWX	Harford	40 min
May 13, 7:55 PM EDT	Flash Flood Warning	LWX	Baltimore, Harford	110 min

Nearby

Tornado Warnings in Maryland, 2000 Every tornado warning in 2000 Tornadoes 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.