Alert archive / Pennsylvania / Flash Flood Warnings in 1996

Flash Flood Warning 31, NWS State College, PA

March 19, 1996Cambria County, Pennsylvania

NWS State College, PA issued this flash flood warning at Mar 19, 1996, 9:55 PM EST for Cambria County, Pennsylvania. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 19, 1996, 9:55 PM EST (02:55 UTC)
Expired
Mar 20, 1996, 3:00 AM EST
In force
5 hr
Issued by
NWS State College, PA
Area
Whole counties

County Cambria County, PA

The radar

The State College radar (KCCX), 76 km from the middle of the area, began a volume at 02:56 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, 2.9 hours before the alert went out and 118 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 1996-03-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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 1996-03-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 231 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
570 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
231 m²/s²
0-3 km storm-relative helicity
156 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 
TTAA00 KCTP 200254
FFWCTP
PAC021-200800-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
955 PM EST TUE MAR 19 1996
 
THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL  300 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN  PENNSYLVANIA
 
   ...CAMBRIA COUNTY
 
RAINFALL OF BETWEEN ONE AND TWO INCHES HAS FALLEN THIS EVENING ACROSS
CAMBRIA COUNTY. SPOTTER REPORTS INDICATE SOME SMALL STREAMS AND CREEKS
REMAIN OUT OF THEIR BANKS...OR ARE EXPERIENCING SHARP RISES. SOME
FLOODING HAS BEEN REPORTED ALONG THE SMALLER STREAMS FEEDING INTO
CLEARFIELD CREEK NEAR GALITZEN. SMALL STREAMS NEAR BEAVERDALE ARE ALSO
SHOWING SHARP RISES.
 
ALTHOUGH HEAVY RAIN HAS ENDED OVER THE AREA...EXPECT FLOODING OF SOME
STREAMS AND CREEKS TO CONTINUE INTO THE EARLY MORNING HOURS.
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.
 
 
JUNG
 
&

What forecasters said that day

The local office's own words before this flash flood 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 flash flood warning went out at Mar 19, 8:34 PM EST, 1 hour 21 minutes earlier.

Area forecast discussion, Mar 19, 8:34 PM EST, 1 hour 21 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE STATE COLLEGE PA
835 PM EST TUE MAR 19 1996

SUGGESTIONS...
WUD LET FFA EXPIRE.... PIT WILL CHECK BACK IF FLARE UP ON 88D.
WUD LET HI WIND WRNG EXPIRE LWR SUS VLLY... WILL COVR IN NOWCTP.
WUD KEEP HI WIND WRNG NRN 1/2 SUS VLLY.
WIND ADVY WRN CTP ZONES.

DSCN:
...WINDS...
NOTICED TRANSVERSE BANDING OF THE PRECIP ECHOES RIPPLING ACRS ERN
PA ATTM INDICATIVE OF SOME SORT OF GRAVITY WV/S. DEEPENING OF SFC
LO OVR WV CUD BE FAVORING THESE GRAVITY WV LIKE FEATURES IN ERN
PA. NOTICED VARYING WIND SPEEDS IN SUS VLLY KICKING UP TO AS HI
AS 50 MPH IN SUS VLLY AT TIMES... THEN WINDS CALM BACK DOWN TO 20
MPH OR SO INDICATIVE OF THIS WV PHENOMENA. PRESFR AT IPT 2356Z...
PRSJUMP REPORTED THEN PRESRR AT 0116Z AT IPT ALSO VERY INDICATIVE
OF A GRAVITY WV. THINK GRVTY WV HAD SOMETHING TO DO WITH STRG
WINDS IPT/CXY AND MDT SO TUF CALL AS TO HI WIND WRNGS AND ADVY/S.
LOOKS LIKE THE FURTHER E NGM/AVN SFC LO TRACK LOOKS BETTER THAN
ETA/MESO-ETA SFC LO TRACK INTO WRN PA BY 12Z GIVEN BEST PRESSURE
FALLS IN ERN PA/NJ. THUS WITH SFC LO TRACKING INTO SRN/ERN PA
LATE TONIGHT... THINK WINDS WILL SUBSIDE SOME. WUD KEEP WIND ADVY
INTO THE ERLY MORNING HOURS WRN CTP ZONES FOR GUSTS TO 40 MPH.
WUD LET HI WIND WRNG EXPIRE LWR 1/2 SUS VLLY AND WE WILL COVER
ANY STRGR WINDS IN NOWS FOR THESE AREAS. NRN 1/2 TUF CALL FWCIPT
HAS VERY STRG WINDS. MIGHT WANT TO KEEP HI WIND WRNG GOING FOR A
WHILE NRN SUS VLLY... FROM IPT N.

SEE STRGR WINDS RETURNING BY WED EVE AS NWRLY CAA FLO SETS UP...
BUT DON/T SEE TOO STRG WINDS WED MORN/AFTRN. MAYBE 15 TO 25 MPH
MAX ALL ZONES WED (HIGHER IN WRN PA MTNS) AS PRES GRAD NOT TOO
IMPRESSIVE AS WE ARE TOO CLOSE TO SFC LO.

...FLOODING THREAT...
KCCX 88D SHOWS MESO-SCALE SHRT WV EMBEDDED INTO MOIST CONVEYOR
BELT FEATURE N OF SFC LO. THIS MESO-SCALE WV WAS BRINGING HVY
RAINS TO NRN MTNS WITHIN BROAD CONVEYOR OF RAINS ACRS CNTRL PA.
WE HV ISSUED FFWS FOR SOME NRN MTNS COUNTIES. MODELS INDICATE
THAT THE LOW-LVL WIND MAX/CONVEYOR BELT SUPPORTING THE RAINS IN
PA WILL SLIDE N OF PA BY 06Z WITH ALL THE DEEP ASCENT GOING N OF
BRDR BY THIS TIME TOO. THINK ONLY LIGHTER RAINS WILL BE LEFT
OVERNGT AS UPR LO AND COLDER AIR WORKS INTO PA LATE TONIGHT. WUD
LET FFA/S EXPIRE IN CNTY WRNG AREA.

...SNOW...
UPR LO WORKS ACRS PA TONIGHT AND TEMPS WILL COOL ALOFT DOWN THRU
THE 850 MB. SECONDARY S/W SNEAKS UNDERNEATH MAIN S/W WEDNESDAY
THAT WILL BE N OF FA... THINK SOME PRECIP WILL SPREAD INTO PA
WED. MODEL UVV/S ARE NOT THAT STRONG ALL DAY WED OR WED NGT
SO I DON/T EXPECT TOO MUCH PRECIP. STATIC STABILITY WILL BE
RATHER LO WED AS WARM SECLUSION SET-UPS NR SFC LO OVR PA
UNDERNEATH COLD AIR ALOFT. THINK COLD ENUF AIR WILL WORK INTO WRN
PA FOR SOME SNOW. MIX OF R/S NRN SUS VLLY AFTRN. BEST SHOT FOR
SIG SNOWS NRN MTNS TO LAURELS. THINK A FEW HIER MTNS CUD SEE 4 TO
6 INCHES FROM UPSLOPE WED NGT. OTHERWISE... I THINK ACC WILL BE
LIGHT WRN CTP ZONES. 1 TO 3 INCHES OR 2 TO 4 INCHES AT THE MOST.
WINTER STORM WATCH MAY NOT BE A BAD IDEA IN CASE THINGS CHANGE A
LOT NEXT RUN AND WUD LET MID SHIFT HNDL.

...LAKE SNOW OUTLOOK...
TUE 10 PM THRU WED 7 AM...N
WED 7 AM THRU WED 7 PM...N
WED 7 PM THRU THU 7 AM...N

NICOSIA

In the hours before

Special weather statement, Mar 19, 4:25 PM EST, 5 hours 30 minutes before
PAZ004>006-010>012-017>019-024>028-033>036-200400-
SPECIAL WEATHER STATEMENT- HIGH WIND WARNING/WIND ADVISORY
NATIONAL WEATHER SERVICE STATE COLLEGE PA
425 PM EST TUE MAR 19 1996

...HIGH WIND WARNING IN EFFECT TONIGHT OVER THE LAUREL HIGHLANDS...
...WIND ADVISORY IN EFFECT TONIGHT FROM THE NORTHERN MOUNTAINS TO THE
SOUTH CENTRAL MOUNTAINS OF PENNSYLVANIA...

A HIGH WIND WARNING IS IN EFFECT TONIGHT FOR SOMERSET AND CAMBRIA
COUNTIES IN THE LAUREL HIGHLANDS. EAST TO NORTHEAST WINDS WILL AVERAGE
BETWEEN 25 AND 40 MPH WITH GUSTS TO 60 MPH THROUGH THE EVENING HOURS IN
THESE AREAS. THE WINDS WILL SHIFT TO THE NORTHWEST EARLY WEDNESDAY
MORNING. THE STRONGEST WINDS WILL BE OVER THE HIGHEST ELEVATIONS.

A WIND ADVISORY IS IN EFFECT FOR THE NORTHERN... CENTRAL AND SOUTH
CENTRAL MOUNTAINS OF PENNSYLVANIA WHICH INCLUDES THE CITIES OF
WARREN... BRADFORD... RIDGWAY... ST MARYS... CLEARFIELD... STATE
COLLEGE... ALTOONA... BEDFORD... CHAMBERSBURG AND LEWISTOWN. EAST TO
NORTHEAST WINDS WILL AVERAGE BETWEEN 20 AND 35 MPH IN THESE
AREAS... WITH GUSTS TO 45 MPH EXPECTED THROUGH THE EVENING HOURS.
THE STRONGEST WINDS ARE EXPECTED OVER THE HIGHER ELEVATIONS. THE WINDS
WILL SHIFT TO NORTHWEST EARLY WEDNESDAY MORNING.

AN INTENSE STORM SYSTEM CENTERED OVER NORTHERN KENTUCKY WILL TRACK
NORTHEAST TO SOUTHERN PENNSYLVANIA BY WEDNESDAY MORNING. THIS STORM WAS
RESPONSIBLE FOR THE STRONG EASTERLY WINDS OVER THE REGION THIS
AFTERNOON AND WILL CONTINUE TO CHURN UP STRONG WINDS THROUGH THE
NIGHTTIME HOURS AS IT WORKS CLOSER TO PENNSYLVANIA.

DOWNED TREES AND POWERLINES CAN BE EXPECTED OVER THE LAUREL HIGHLANDS
TONIGHT WHERE THE STRONGEST WINDS ARE EXPECTED. LOOSE OUTDOOR OBJECTS
SHOULD BE SECURED ACROSS THE REGION. MOTORISTS IN HIGH PROFILE VEHICLES
SHOULD BE ESPECIALLY CAUTIOUS DUE TO DANGEROUS HIGH SPEED CROSS WINDS.

NICOSIA
Special weather statement, Mar 19, 5:55 PM EST, 4 hours before
PAZ004>006-010>012-017>019-024>028-033>036-200400-
SPECIAL WEATHER STATEMENT- WINTER STORM WATCH
NATIONAL WEATHER SERVICE STATE COLLEGE PA
555 PM EST TUE MAR 19 1996

...WINTER STORM WATCHES IN EFFECT WEDNESDAY AND WEDNESDAY NIGHT...

A WINTER STORM WATCH IS IN EFFECT WEDNESDAY AND WEDNESDAY NIGHT FOR
MOST OF THE NORTHERN MOUNTAINS... THE CENTRAL AND SOUTH CENTRAL
MOUNTAINS AND THE LAUREL HIGHLANDS. THE WINTER STORM WATCH IS IN EFFECT
WEDNESDAY IN WARREN COUNTY.

AN INTENSE WINTER STORM CENTERED OVER WEST VIRGINIA TUESDAY EVENING
WILL TRACK EAST INTO SOUTHEAST PENNSYLVANIA WEDNESDAY MORNING. RAIN
WILL FALL TONIGHT AHEAD OF THE STORM AS A STRONG FLOW OF WARM MOIST AIR
FROM THE EAST MOVES ACROSS PENNSYLVANIA. AS THE STORM NEARS
SOUTHEAST PENNSYLVANIA... THE WIND WILL SHIFT TO THE NORTH BRINGING
COLDER AIR INTO THE WESTERN HALF OF PENNSYLVANIA LATE TONIGHT AND
WEDNESDAY MORNING. THIS WILL CAUSE THE RAIN TO CHANGE TO SNOW BEFORE
DAWN FROM THE NORTHERN MOUNTAINS TO LAUREL HIGHLANDS. THE RAIN WILL
TURN TO SNOW ACROSS SOUTH CENTRAL PENNSYLVANIA LATE TONIGHT AND
WEDNESDAY MORNING.

THE SNOW... POSSIBILY HEAVY AT TIMES... WILL CONTINUE IN CENTRAL
PENNSYLVANIA WEDNESDAY. THE SNOW WILL END IN WARREN COUNTY BEFORE
NIGHTFALL WEDNESDAY BUT CONTINUE INTO THE EVENING HOURS WEDNESDAY
ACROSS THE REST OF THE NORTHERN MOUNTAINS AS WELL AS THE CENTRAL AND
SOUTH CENTRAL MOUNTAINS OF PENNSYLVANIA AND THE LAUREL HIGHLANDS.

TOTAL SNOWFALL FROM THIS STORM WILL RANGE BETWEEN 4 AND 8 INCHES BY
WEDNESDAY NIGHT. UP TO 10 INCHES IS POSSIBLE OVER THE LAUREL HIGHLANDS
BY THE TIME THE SNOW ENDS WEDNESDAY NIGHT. SNOWFALL AMOUNTS WILL BE
HIGHEST OVER THE HIGHER ELEVATIONS.

IF YOU ARE PLANNING TO TRAVEL ON WEDNESDAY IN WESTERN AND CENTRAL
PENNSYLVANIA KEEP ABREAST OF THE LATEST FORECASTS AND LISTEN FOR
POSSIBLE WINTER STORM WARNINGS OR WINTER WEATHER ADVISORIES. TRAVEL
COULD BECOME DIFFICULT WEDNESDAY AND WEDNESDAY NIGHT IN THE WATCH AREA.

NICOSIA/MACH
Special weather statement, Mar 19, 5:58 PM EST, 3 hours 57 minutes before
PAZ004>006-010>012-017>019-024>028-033>036-200400-
SPECIAL WEATHER STATEMENT- WINTER STORM WATCH
NATIONAL WEATHER SERVICE STATE COLLEGE PA
555 PM EST TUE MAR 19 1996

...WINTER STORM WATCHES IN EFFECT WEDNESDAY AND WEDNESDAY NIGHT...

A WINTER STORM WATCH IS IN EFFECT WEDNESDAY AND WEDNESDAY NIGHT FOR
MOST OF THE NORTHERN MOUNTAINS... THE CENTRAL AND SOUTH CENTRAL
MOUNTAINS AND THE LAUREL HIGHLANDS. THE WINTER STORM WATCH IS IN EFFECT
WEDNESDAY IN WARREN COUNTY.

AN INTENSE WINTER STORM CENTERED OVER WEST VIRGINIA TUESDAY EVENING
WILL TRACK EAST INTO SOUTHEAST PENNSYLVANIA WEDNESDAY MORNING. RAIN
WILL FALL TONIGHT AHEAD OF THE STORM AS A STRONG FLOW OF WARM MOIST AIR
FROM THE EAST MOVES ACROSS PENNSYLVANIA. AS THE STORM NEARS
SOUTHEAST PENNSYLVANIA... THE WIND WILL SHIFT TO THE NORTH BRINGING
COLDER AIR INTO THE WESTERN HALF OF PENNSYLVANIA LATE TONIGHT AND
WEDNESDAY MORNING. THIS WILL CAUSE THE RAIN TO CHANGE TO SNOW BEFORE
DAWN FROM THE NORTHERN MOUNTAINS TO LAUREL HIGHLANDS. THE RAIN WILL
TURN TO SNOW ACROSS SOUTH CENTRAL PENNSYLVANIA LATE TONIGHT AND
WEDNESDAY MORNING.

THE SNOW... POSSIBILY HEAVY AT TIMES... WILL CONTINUE IN CENTRAL
PENNSYLVANIA WEDNESDAY. THE SNOW WILL END IN WARREN COUNTY BEFORE
NIGHTFALL WEDNESDAY BUT CONTINUE INTO THE EVENING HOURS WEDNESDAY
ACROSS THE REST OF THE NORTHERN MOUNTAINS AS WELL AS THE CENTRAL AND
SOUTH CENTRAL MOUNTAINS OF PENNSYLVANIA AND THE LAUREL HIGHLANDS.

TOTAL SNOWFALL FROM THIS STORM WILL RANGE BETWEEN 4 AND 8 INCHES BY
WEDNESDAY NIGHT. UP TO 10 INCHES IS POSSIBLE OVER THE LAUREL HIGHLANDS
BY THE TIME THE SNOW ENDS WEDNESDAY NIGHT. SNOWFALL AMOUNTS WILL BE
HIGHEST OVER THE HIGHER ELEVATIONS.

IF YOU ARE PLANNING TO TRAVEL ON WEDNESDAY IN WESTERN AND CENTRAL
PENNSYLVANIA KEEP ABREAST OF THE LATEST FORECASTS AND LISTEN FOR
POSSIBLE WINTER STORM WARNINGS OR WINTER WEATHER ADVISORIES. TRAVEL
COULD BECOME DIFFICULT WEDNESDAY AND WEDNESDAY NIGHT IN THE WATCH AREA.

NICOSIA/MACH
Special weather statement, Mar 19, 6:20 PM EST, 3 hours 35 minutes before
PAZ037-041-042-045-046-049>053-056>059-063>066-301800-
SPECIAL WEATHER STATEMENT- HIGH WIND WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
620 PM EST TUE MAR 19 1996

...HIGH WIND WARNING IN EFFECT TONIGHT...

A HIGH WIND WARNING IS IN EFFECT TONIGHT ACROSS MOST OF EASTERN AND
EAST CENTRAL PENNSYLVANIA WHICH INCLUDES THE COUNTIES OF TIOGA...
LYCOMING...SULLIVAN...SOUTHERN CLINTON...UNION...SNYDER...
NORTHUMBERLAND...MONTOUR...COLUMBIA...PERRY...DAUPHIN...
SCHUYLKILL...CUMBERLAND...ADAMS...YORK...LEBANON AND LANCASTER.

EASTERLY WINDS OF 30 TO 45 MPH WITH GUSTS TO OVER 50 MPH ARE
EXPECTED TONIGHT ACROSS THE REGION.

AN INTENSE STORM SYSTEM CENTERED OVER WEST VIRGINIA TUESDAY EVENING
WILL TRACK EAST INTO SOUTHEAST PENNSYLVANIA WEDNESDAY MORNING.
STRONG EASTERLY WINDS ASSOCIATED WITH THIS SYSTEM WILL BUFFET MOST
OF PENNSYLVANIA TONIGHT. THE WINDS WILL BEGIN TO DIMINISH FROM
SOUTH TO NORTH AFTER MIDNIGHT.

LOOSE OUTDOOR OBJECTS SHOULD BE SECURED ACROSS THE REGION. DRIVERS
OF HIGH PROFILE VEHICLES NEED TO BE ESPECIALLY CAUTIOUS DUE TO HIGH
SPEED CROSS WINDS.

CHRISTOE
Special weather statement, Mar 19, 6:30 PM EST, 3 hours 25 minutes before
PAZ037-041-042-045-046-049>053-056>059-063>066-301800-
SPECIAL WEATHER STATEMENT- HIGH WIND WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
620 PM EST TUE MAR 19 1996

...HIGH WIND WARNING IN EFFECT TONIGHT...

A HIGH WIND WARNING IS IN EFFECT TONIGHT ACROSS MOST OF EASTERN AND
EAST CENTRAL PENNSYLVANIA WHICH INCLUDES THE COUNTIES OF TIOGA...
LYCOMING...SULLIVAN...SOUTHERN CLINTON...UNION...SNYDER...
NORTHUMBERLAND...MONTOUR...COLUMBIA...PERRY...DAUPHIN...
SCHUYLKILL...CUMBERLAND...ADAMS...YORK...LEBANON AND LANCASTER.

EASTERLY WINDS OF 30 TO 45 MPH WITH GUSTS TO OVER 50 MPH ARE
EXPECTED TONIGHT ACROSS THE REGION.

AN INTENSE STORM SYSTEM CENTERED OVER WEST VIRGINIA TUESDAY EVENING
WILL TRACK EAST INTO SOUTHEAST PENNSYLVANIA WEDNESDAY MORNING.
STRONG EASTERLY WINDS ASSOCIATED WITH THIS SYSTEM WILL BUFFET MOST
OF PENNSYLVANIA TONIGHT. THE WINDS WILL BEGIN TO DIMINISH FROM
SOUTH TO NORTH AFTER MIDNIGHT.

LOOSE OUTDOOR OBJECTS SHOULD BE SECURED ACROSS THE REGION. DRIVERS
OF HIGH PROFILE VEHICLES NEED TO BE ESPECIALLY CAUTIOUS DUE TO HIGH
SPEED CROSS WINDS.

CHRISTOE

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 19, 7:39 PM ESTFlash Flood WarningCTPCameron, Elk4 hr
Mar 19, 11:01 PM ESTFlash Flood WarningCTPBedford4 hr
Mar 20, 8:57 AM ESTFlash Flood WarningCTPHuntingdon8 hr

Nearby

Flash Flood Warnings in Pennsylvania, 1996Every flash flood 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.