Alert archive / Pennsylvania / Flash Flood Warnings in 1992

Flash Flood Warning 1, NWS State College, PA

March 27, 1992Bradford County, Pennsylvania

NWS State College, PA issued this flash flood warning at Mar 27, 1992, 5:49 AM EST for Bradford County, Pennsylvania. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Mar 27, 1992, 5:49 AM EST (10:49 UTC)
Expired
Mar 27, 1992, 11:45 AM EST
In force
6 hr
Issued by
NWS State College, PA
Area
Whole counties

County Bradford County, PA

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 10.8 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 00:00Z on 1992-03-27Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 00:00Z on 1992-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 square meters per square second.1939587897117136Sfc1 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
692 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
24 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 KIPT 271049
FFWIPT
PAC015-271645-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE WILLIAMSPORT PA
549 AM EST FRI MAR 27 1992
 
...SMALL STREAM FLOOD WARNING FOR TOWANDA CREEK AND SUGAR
CREEK IN BRADFORD COUNTY...
 
THE NATIONAL WEATHER SERVICE IN WILLIAMSPORT HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL 1145 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH CENTRAL PENNSYLVANIA
 
   ...BRADFORD COUNTY
 
EMERGENCY MANAGEMENT OFFICIALS REPORTED THAT BOTH TOWANDA AND SUGAR
CREEK ARE OUT OF THEIR BANKS.  THEY ARE NOT THREATENING HOUSES AT THIS
TIME BUT ARE RUNNING ACROSS SOME ROADWAYS.
 
A SMALL STREAM FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR
IS IMMINENT.  MOST FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT.  TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
 
KJF
NNNN

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.

In the hours before

Special weather statement, Mar 27, 2:35 AM EST, 3 hours 14 minutes before
PAZ007-008-014-271000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILLIAMSPORT PA
235 AM EST FRI MAR 27 1992

...HEAVY RAIN CONTINUES OVER PARTS OF NORTHCENTRAL PENNSYLVANIA...

OVER ONE INCH OF RAIN FELL OVER SECTIONS OF NORTHCENTRAL PENNSYLVANIA
THURSDAY EVENING INTO EARLY THIS MORNING.  THE HEAVIEST RAINS REMAIN
OVER BRADFORD COUNTY WHERE ALMOST 1 INCH OF RAIN HAS FALLEN IN THE
PAST SIX HOURS. HERE AT THE WILLIAMSPORT-LYCOMING COUNTY AIRPORT 1.50
INCHES FELL SINCE THE STORM BEGAN THURSDAY MORNING.  WHILE THE RAIN IS
MUCH-NEEDED...THE AMOUNT FALLING IN SUCH A SHORT TIME COULD CAUSE SOME
DRAINAGE PROBLEMS AROUND THE REGION.

A SECTION OF ROUTE 44 NEAR ELIMSPORT HAD WATER RUNNING ACROSS IT FROM
ADJACENT SPRING CREEK.  OTHER CREEKS IN THE REGION WERE NOT RUNNING
HIGH AT THIS TIME.  OTHER REPORTS HAVE BEEN RECEIVED OF MINOR BASEMENT
FLOODING AND PONDING OF WATER ON ROADWAYS.

ANYONE TRAVELING THIS MORNING THROUGH NORTHCENTRAL PENNSYLVANIA SHOULD
WATCH OUT FOR PONDED WATER ON ROADWAYS.  THIS WITH ANY LEFTOVER FOG
COULD MAKE DRIVING DIFFICULT AROUND THE REGION EARLY THIS MORNING.

KJF

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 27, 6:04 AM ESTFlash Flood WarningCTPBradford6 hr

Nearby

Flash Flood Warnings in Pennsylvania, 1992Every flash flood warning in 1992

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.