Alert archive / Pennsylvania / Tornado Warnings in 1997

Tornado Warning 1, NWS Binghamton, NY

July 8, 1997Bradford County, Pennsylvania

NWS Binghamton, NY issued this tornado warning at Jul 8, 1997, 6:33 PM EDT for Bradford County, Pennsylvania. It was in force for 57 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, 1997, 6:33 PM EDT (22:33 UTC)
Expired
Jul 8, 1997, 7:30 PM EDT
In force
57 min
Issued by
NWS Binghamton, NY
Area
Whole counties

County Bradford County, PA

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 10.6 hours before the alert went out and 220 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, Buffalo Intl Airport, NY at 12:00Z on 1997-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Buffalo Intl Airport, NY at 12:00Z on 1997-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
893 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
151 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Binghamton, NY wrote its last area forecast discussion before this tornado warning went out at Jul 8, 2:15 PM EDT, 4 hours 18 minutes earlier.

Area forecast discussion, Jul 8, 2:15 PM EDT, 4 hours 18 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BINGHAMTON NY
215 PM EDT TUE JUL 8 1997

RADAR AND SAT LOOPS SHOW CONVECTION FIRING ALG AND JUST S OF WARM FRNT
WITH AXIS OF GREATEST THETA ADVECTION AND MCON.  AS THESE PARAMETERS
WORK THEIR WAY NEWD THIS EVE AND GET A BIT OF AID FROM VORT LOBE
PASSING THRU...XPCT SHWRS/TSTMS TO DVLP ACRS THE SRN TIER.  BEST CHC
FOR ANY STG STORMS WILL BE OVR NRN PA/XTREME WRN PTNS OF THE FA WHERE
HIEST INSTAB AND SHEAR PROFILES CO-EXIST.  LTR TNT...FOCUS WILL SHIFT
TO OUR NRN ZNS IN THE OVERRUNNING REGIME N OF THE LL BNDRY.  POS
THETA-E BULLSEYE WILL BE OVR THIS AREA AS WELL.  EMPHASIZED MAINLY EVE
ACTIVITY OVR MUCH OF THE SRN TIER.  POPS DIMINISH TO CHC CATEGORY IN
THE CATSK FURTHEST AWAY FROM UL SUPPORT.

WED...ETA HAS COME IN A LTL SLOWER THIS RUN WITH MOVEMENT OF THE COLD
FRNT.  THIS IS MORE IN LINE WITH THE OTHER MODELS.  IN FACT...WUDN/T BE
SURPRISED TO SEE THE SYS PROGRESS EVEN SLOWER THAN PROGGED WITH LOTS OF
ENERGY DROPPING INTO THE TROF AXIS AND FRNT ALIGNED PARALLEL TO MID LVL
FLOW.  WILL TIME FROPA DURING THE MIDDAY AND ERLY AFTN HRS WRN SXNS AND
NOT TIL THE ERLY EVE IN THE CATSK/POCONOS.  GOOD UL SUPPORT WILL BE IN
PLACE WITH RR QUAD LIFT FROM 3H JET AND APPCH OF STG SHRT WV.  INTENSITY
AND NATURE OF THE PRE-FRNTL ACTIVITY WILL DEPEND TO A LRG XTENT ON HOW
MUCH SS WE SEE.  THINK BEST CHC FOR THIS WILL BE S AND E OF BGM.  WILL
GO ALG WITH LKLY GUIDANCE POPS THIS PD.

WED NGT AND THU...THINGS DRY OUT FROM W TO E.  I/LL CARRY LINGERING
POPS FAR ERN ZNS ERLY THU NGT.  MODEL SNDGS SHOW POST-FRNTL SC FOR SVRL
HRS THU NGT...THEN CLRG TAKES PLACE ALL AREAS BY FRI AM.  P/SNY WILL BE
THE SKY COVER OF CHOICE FRI WITH UL TROF/COLD POOL SLOW TO DEPART.

ZNS WIBIS SHORTLY.

.BGM...NONE.

JUREWICZ

The office that day

Everything else NWS Binghamton, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 8, 6:40 PM EDTTornado WarningBGMBradford50 min
Jul 8, 7:23 PM EDTTornado WarningBGMBradford67 min
Jul 8, 7:52 PM EDTSevere Thunderstorm WarningBGMSusquehanna68 min

Nearby

Tornado Warnings in Pennsylvania, 1997Every tornado warning in 1997Tornadoes in 1997

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.