Alert archive / Pennsylvania / Tornado Warnings in 1996

Tornado Warning 21, NWS State College, PA

July 30, 1996Bedford County, Pennsylvania

NWS State College, PA issued this tornado warning at Jul 30, 1996, 4:48 PM EDT for Bedford County, Pennsylvania. It was in force for 42 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
Jul 30, 1996, 4:48 PM EDT (20:48 UTC)
Expired
Jul 30, 1996, 5:30 PM EDT
In force
42 min
Issued by
NWS State College, PA
Area
Whole counties

County Bedford County, PA

The radar

The State College radar (KCCX), 110 km from the middle of the area, began a volume at 20:48 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

TimeReportWhereRemark
Jul 30, 5:15 PM EDTThunderstorm Wind 50Graceville, PA

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

Pittsburgh, PA (KPIT), launched 12:00Z, 8.8 hours before the alert went out and 144 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 12:00Z on 1996-07-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 464 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 1996-07-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 square meters per square second.193958Sfc1 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
464 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
665 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
118 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCTP 302048
TORCTP
PAC009-302130-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
448 PM EDT TUE JUL 30 1996
 
THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  530 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN  PENNSYLVANIA
 
   ...NORTHERN BEDFORD COUNTY
 
AT 445 RADAR SHOWED A STRONGLY ROTATING THUNDERSTORM 5 MILES SOUTHWEST
OF YELLOW CREEK. THE STORM WILL REACH NEAR HOPEWELL AROUND 5 PM.
 
A TORNADO IS POSSIBLE WITH THIS STORM.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING.  AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH
OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
 
 
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 30, 3:28 PM EDTFlash Flood WarningCTPClearfield4 hr
Jul 30, 4:44 PM EDTSevere Thunderstorm WarningCTPBedford61 min
Jul 30, 4:52 PM EDTSevere Thunderstorm WarningCTPBlair, Huntingdon68 min
Jul 30, 5:02 PM EDTTornado WarningCTPBlair, Huntingdon58 min
Jul 30, 5:12 PM EDTTornado WarningCTPFulton63 min
Jul 30, 5:23 PM EDTSevere Thunderstorm WarningCTPClearfield67 min
Jul 30, 5:43 PM EDTTornado WarningCTPClearfield47 min
Jul 30, 5:59 PM EDTTornado WarningCTPFranklin61 min
Jul 30, 6:16 PM EDTTornado WarningCTPJuniata, Mifflin59 min
Jul 30, 6:45 PM EDTTornado WarningCTPPerry60 min
Jul 30, 7:06 PM EDTTornado WarningCTPCumberland, Franklin69 min
Jul 30, 7:19 PM EDTTornado WarningCTPMifflin41 min
Jul 30, 7:32 PM EDTTornado WarningCTPAdams58 min
Jul 30, 7:46 PM EDTFlash Flood WarningCTPCumberland3 hr

Nearby

Tornado Warnings in Pennsylvania, 1996Every tornado warning in 1996Tornadoes 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.