Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 7, NWS State College, PA

March 25, 2000Lycoming County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Mar 25, 2000, 5:10 PM EST for Lycoming County, Pennsylvania. It was in force for 50 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: Mar 25, 2000, 5:10 PM EST (22:10 UTC)
Expired: Mar 25, 2000, 6:00 PM EST
In force: 50 min
Issued by: NWS State College, PA
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Lycoming County, PA

What was reported inside it

Time	Report	Where	Remark
Mar 25, 5:25 PM EST	Thunderstorm Wind	Slate Run, PA	Winds took down a tree and large branches about 10 miles east of Slate Run.

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

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 10.2 hours before the alert went out and 205 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: 14 J/kg
Mixed-layer CIN: -137 J/kg
Mixed-layer LCL: 984 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 160 m²/s²
0-3 km storm-relative helicity: 143 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 
WUUS51 KCTP 252212
SVRCTP
PAC081-252300-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
510 PM EST SAT MAR 25 2000

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN LYCOMING COUNTY.

* UNTIL 600 PM EST.

* AT 505 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 18 MILES NORTH OF LOCK HAVEN...MOVING EAS2T AT
  40 MPH.

THIS IS A DANGEROUS STORM. STAY INDOORS AWAY FROM WINDOWS.

.END/ ONDREJIK

LAT...LON 4146 7762 4129 7758 4137 7667 4162 7673

The office that day

Everything else NWS State College, PA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 25, 2:53 PM EST	Severe Thunderstorm Warning	CTP	Somerset	37 min
Mar 25, 3:09 PM EST	Severe Thunderstorm Warning	CTP	Centre	51 min
Mar 25, 4:18 PM EST	Severe Thunderstorm Warning	CTP	Clearfield	27 min
Mar 25, 4:34 PM EST	Severe Thunderstorm Warning	CTP	Lycoming	41 min
Mar 25, 4:53 PM EST	Severe Thunderstorm Warning	CTP	Cumberland	37 min
Mar 25, 4:55 PM EST	Severe Thunderstorm Warning	CTP	Juniata, Snyder	35 min
Mar 25, 5:18 PM EST	Severe Thunderstorm Warning	CTP	Dauphin, Lebanon	42 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2000 Every 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.