Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 239, NWS State College, PA

November 9, 2000Bedford County, Cambria County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Nov 9, 2000, 10:45 PM EST for Bedford County, Cambria 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 counties it named.

The facts

Issued
Nov 9, 2000, 10:45 PM EST (03:45 UTC)
Expired
Nov 9, 2000, 11:45 PM EST
In force
60 min
Issued by
NWS State College, PA
Area
Whole counties

Counties Bedford County, PA, Cambria County, PA

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 3.8 hours before the alert went out and 128 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, Pittsburgh, PA at 00:00Z on 2000-11-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 38 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, Pittsburgh, PA at 00:00Z on 2000-11-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 220 square meters per square second.1939587897Sfc1 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
38 J/kg
Mixed-layer CIN
-222 J/kg
Mixed-layer LCL
952 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
220 m²/s²
0-3 km storm-relative helicity
187 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 100351
SVRCTP
PAC009-021-100445-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1045 PM EST THU NOV 9 2000

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BEDFORD COUNTY.
  CAMBRIA COUNTY.

* UNTIL 1145 PM EST.

* AT 1045 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS MOVING RAPIDLY NORTHEAST ACROSS       
  SOMERSET COUNTY. MOVEMENT WAS TO THE NORTHEAST AT AROUND 50 MPH.


* SEVERE THUNDERSTORMS WILL BE NEAR...
  JOHNSTOWN...BROWNSTOWN AND ELIM AT 1100 PM.
  BELMONT AND DAISYTOWN AT 1105 PM.
  NANTY-GLO AND PAINT AT 1110 PM.
  COLVER AND EHRENFELD AT 1115 PM.
  BARNESBORO AND BEAVERDALE-LLOYDELL AT 1120 PM.
  BEDFORD AND CASSANDRA AT 1125 PM.
  BREEZEWOOD AT 1140 PM.


STRONG...DAMAGING WINDS HAVE BEEN REPORTED WITH THESE STORMS AS THEY 
MOVED ACROSS COUNTIES TO THE WEST OF THIS AREA DURING THE PAST 1 TO 
2 HOURS. THIS IS A DANGEROUS LINE OF STORMS...SEEK SHELTER NOW!

REMEMBER...SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE 
ADVANCE WARNING.

$$

&

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 9, 10:15 PM ESTSevere Thunderstorm WarningCTPSomerset60 min
Nov 9, 11:58 PM ESTSevere Thunderstorm WarningCTPFranklin62 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2000Every 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; the sounding from the Mesonet's radiosonde archive.