Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 2, NWS State College, PA

March 5, 2004Bedford County, Blair County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Mar 5, 2004, 8:30 PM EST for Bedford County, Blair County, Pennsylvania. It was in force for 60 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Mar 5, 2004, 8:30 PM EST (01:30 UTC)
Expired: Mar 5, 2004, 9:30 PM EST
In force: 60 min
Issued by: NWS State College, PA
Area: Counties, with a storm outline in the text

Counties Bedford County, PA, Blair County, PA

The radar

The State College radar (KCCX), 88 km from the middle of the area, began a volume at 01:33 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.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 1.5 hours before the alert went out and 143 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: 18 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 1340 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 195 m²/s²
0-3 km storm-relative helicity: 275 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.

929 
WUUS51 KCTP 060130
SVRCTP
PAC009-013-060230-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
830 PM EST FRI MAR 5 2004

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BEDFORD COUNTY IN SOUTH CENTRAL PENNSYLVANIA
  BLAIR COUNTY IN CENTRAL PENNSYLVANIA

* UNTIL 930 PM EST.

* AT 830 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM DUNCANSVILLE TO 27 MILES WEST OF
  LAKE GORDON...MOVING EAST AT 55 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  CANOE CREEK STATE PARK AND BELLWOOD AROUND 835 PM.
  WILLIAMSBURG AND SINKING VALLEY AROUND 840 PM.
  NEW ENTERPRISE AROUND 845 PM.

THE MAIN THREAT FROM THIS STORM IS A DAMAGING WIND GUST. EXPECT GUSTS
TO EXCEED 60 MPH. THESE WINDS CAN EASILY KNOCK DOWN TREES AND POWER
LINES...AND CAUSE PROPERTY DAMAGE. LARGE HAIL IS ALSO POSSIBLE. THE
SAFEST PLACE TO BE DURING A SEVERE THUNDERSTORM IS INSIDE A
SUBSTANTIAL SHELTER...AWAY FROM WINDOWS.

PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772.

LAT...LON 4002 7876 4037 7859 4072 7835 4056 7817
          4040 7817 4029 7828 4019 7822 3972 7834
          3972 7875

JL

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 5, 7:53 PM EST	Severe Thunderstorm Warning	CTP	Somerset	67 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2004 Every severe thunderstorm warning in 2004

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; radar from the NEXRAD Level II archive.