Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 158, NWS State College, PA

July 8, 1996Columbia County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Jul 8, 1996, 2:30 PM EDT for Columbia 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
Jul 8, 1996, 2:30 PM EDT (18:30 UTC)
Expired
Jul 8, 1996, 3:30 PM EDT
In force
60 min
Issued by
NWS State College, PA
Area
Whole counties

County Columbia County, PA

The radar

The Binghamton radar (KBGM), 133 km from the middle of the area, began a volume at 18:30 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

Albany, NY (KALB), launched 12:00Z, 6.5 hours before the alert went out and 281 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, Albany, NY at 12:00Z on 1996-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 180 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, Albany, NY at 12:00Z on 1996-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 84 square meters per square second.19395878Sfc1 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
180 J/kg
Mixed-layer CIN
-113 J/kg
Mixed-layer LCL
1080 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
84 m²/s²
0-3 km storm-relative helicity
204 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS State College, PA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 8, 10:05 AM EDT, 4 hours 25 minutes earlier.

Area forecast discussion, Jul 8, 10:05 AM EDT, 4 hours 25 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE STATE COLLEGE PA
955 AM EDT MON JUL 8 1996

PLENTY OF CLD COVER ACROSS MUCH OF THE FCST/A THIS AM. VIS SAT
PICTURE SHOWS CLRING TREND WORKtING INTO NW PA ATTM.

BEST INSTABILITY ACROSS S 1/4 OF STATE...HENCE KEEP CHC POPS THIS
AFTN IN THIS AREA. NEXT SHRTWV MOVES INTO REGION TONIGHT BRINGING
ANOTHER ROUND OF TRW/RW TO FCST/A.

WINTHER

In the hours before

Special weather statement, Jul 8, 11:07 AM EDT, 3 hours 23 minutes before
PAZ004>06-010>012-017>019-024>028-033>037-041>042-045>046-
049>053-056>059-063>066-082200-

SEVERE WEATHER OUTLOOK FOR PENNSYLVANIA
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1105 AM EDT MON JULY 8 1996

THE STORM PREDICTION CENTER SAYS THERE IS A SLIGHT RISK OF SEVERE
WEATHER ACROSS ALL OF CENTRAL PENNSYLVANIA THIS AFTERNOON AND
EVENING.  THIS INCLUDES THE CITIES AND SURROUNDING AREAS OF
BRADFORD...JOHNSTOWN...STATE COLLEGE...WILLIAMSPORT...AND
HARpRISBURG.

CONDITIONS LATER THIS AFTERNOON WILL BE FAVORABLE FOR
THUNDERSTORMS...SOME OF WHICH MAY BECOME SEVERE.

SKYWARN SPOTTER NETWORKS MAY NEED TO BE ACTIVATED LATE THIS
AFTERNOON AS A RESULT.

WINTHER
Local storm report, Jul 8, 2:29 PM EDT, 1 minute before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 12:45 AM EDTSevere Thunderstorm WarningCTPMcKean60 min
Jul 8, 3:45 AM EDTSevere Thunderstorm WarningCTPTioga45 min
Jul 8, 1:37 PM EDTSevere Thunderstorm WarningCTPLycoming68 min
Jul 8, 2:10 PM EDTTornado WarningCTPLycoming50 min
Jul 8, 3:08 PM EDTSevere Thunderstorm WarningCTPMontour, Northumberland52 min
Jul 8, 4:45 PM EDTSevere Thunderstorm WarningCTPFranklin45 min
Jul 8, 5:27 PM EDTSevere Thunderstorm WarningCTPCumberland48 min
Jul 8, 5:36 PM EDTSevere Thunderstorm WarningCTPDauphin69 min
Jul 8, 6:57 PM EDTFlash Flood WarningCTPFranklin3 hr

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 1996Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.