Alert archive / Pennsylvania / Flash Flood Warnings in 1993
Flash Flood Warning 32, NWS State College, PA
NWS State College, PA issued this flash flood warning at Apr 16, 1993, 9:52 PM EDT for Centre County, Pennsylvania. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Apr 16, 1993, 9:52 PM EDT (01:52 UTC)
- Expired
- Apr 17, 1993, 10:00 AM EDT
- In force
- 12 hr
- Issued by
- NWS State College, PA
- Area
- Whole counties
County Centre County, PA
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 00:00Z, 1.9 hours before the alert went out and 200 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1175 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- -28 m²/s²
- 0-3 km storm-relative helicity
- 143 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KHAR 170154 FFWHAR PAC027-171400- BULLETIN - EBS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE HARRISBURG PA 952 PM EDT FRI APR 16 1993 THE NATIONAL WEATHER SERVICE IN HARRISBURG HAS ISSUED A FLOOD WARNING EFFECTIVE UNTIL 1000 AM EDT FOR PEOPLE IN THE FOLLOWING LOCATION...... IN CENTRAL PENNSYLVANIA ...CENTRE COUNTY AN ADDITIONAL INCH OF RAIN HAS FALLEN IN MANY AREAS OF CENTRE COUNTY OVER THE PAST 3 HOURS. RAINFALL TOTALS FOR THE PAST 24 HOURS HAVE RANGED FROM 1.5 INCHES IN EASTERN CENTRE COUNTY TO 3.4 INCHES IN THE WEST. THIS RAINFALL IS SUFFICIENT TO CAUSE WIDESPREAD FLOODING OF SMALL STREAMS AND CREEKS ACROSS THE COUNTY. THE FLOOD WARNING INCLUDES BALD EAGLE CREEK WHICH IS FORECAST TO CREST A12 TO 13 FEET SATURDAY MORNING. FLOOD STAGE IS 11 FEET. ALSO INCLUDED IN THE FLOOD WARNING IS PENNS CREEK WHICH IS FORECAST TO CREST AT 8.5 TO 9.5 FEET SATURDAY MORNING. FLOOD STAGE IS 8 FEET. FLOODING ALONG MOSHANNON CREEK AND ITS TRIBUTARIES...INCLUDING THE PHILLIPSBURG AREA IS ALSO LIKELY. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED...ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS TO RISE. &
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, Apr 16, 8:50 PM EDT, 1 hour 2 minutes before
PAZ007-008-014-170100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLIAMSPORT PA 950 PM EDT FRI APR 16 1993 ...FLOOD WARNING CONTINUES FOR LYCOMING...BRADFORD AND CLINTON COUNTIES UNTIL 10 PM EDT... ...TORNADO WATCH REMAINS IN EFFECT UNTIL 11 PM EDT.... ...SMALL STREAM FLOOD WATCH CONTINUES OVERNIGHT... THE FLOOD WARNING FOR STREAMS AND CREEKS CONTINUES UNTIL 1000 PM EDT FOR LYCOMING...CLINTON AND BRADFORD COUNTIES. A FEW OF THE SMALLER CREEKS AND STREAMS IN THESE COUNTIES CONTINUE TO FLOW OUT OF THERE BANKS. SHOWERS AND THUNDERSTORMS WILL BE MOVING THROUGH THIS AREA DURNING THE NEXT SEVERAL HOURS WHICH WILL FURTHER ENHANCE THE FLOODING WHICH IS ALREADY OCCURRING. PERSONS LIVING IN ANY FLOOD PRONE AREAS OF NORTHCENTRAL PENNSYLVANIA SHOULD BE ALERT FOR RISING WATERS AND MOVE TO HIGHER GROUND IF FLOODING IS OBSERVED OR A WARNING IS ISSUED. THE TORNADO WATCH REMAINS IN EFFECT FOR ALL OF NORTHCENTRAL PENNSYLVANIA UNTIL 11 PM EDT. THE WATCH INCLUDES THE FOLLOWING COUNTIES...LYCOMING...CLINTON...SULLIVAN...TIOGA... AND BRADFORD. AT 845 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF THUNDERSTORMS MOVING THROUGH NORTHCENTRAL PENNSYLVANIA. THIS LINE EXTENDED FROM COUDERSPORT TO STATE COLLEGE THEN TO HAGERSTOWN MARYLAND. THE HEAVIEST THUNDERSTORMS EXTENDED FROM STATE COLLEGE TO THE MARYLAND BORDER. THESE THUNDERSTORMS WERE MOVING NORTHEAST AT 15 TO 20 MPH. AS THESE THUNDERSTORMS MOVE THROUGH NORTHCENTRAL PENNSYLVANIA THE NEXT SEVERAL HOURS THEY COULD PRODUCE DAMAGING WINDS...LARGE HAIL AND POSSIBLE TORNADOES. VERY HEAVY DOWNPOURS ARE ALSO POSSIBLE WITH THESE THUNDERSTORMS AND THIS COULD PRODUCE FLOODING OF LOWLANDS AND POOR DRAINAGE AREAS. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. FJG/KJF
Special weather statement, Apr 16, 8:50 PM EDT, 1 hour 2 minutes before
PAZ007-008-014-170100- SPECIAL WEATHER STATEMENT...CORRECTION... NATIONAL WEATHER SERVICE WILLIAMSPORT PA 850 PM EDT FRI APR 16 1993 ...FLOOD WARNING CONTINUES FOR LYCOMING...BRADFORD AND CLINTON COUNTIES UNTIL 10 PM EDT... ...TORNADO WATCH REMAINS IN EFFECT UNTIL 11 PM EDT.... ...SMALL STREAM FLOOD WATCH CONTINUES OVERNIGHT... THE FLOOD WARNING FOR STREAMS AND CREEKS CONTINUES UNTIL 1000 PM EDT FOR LYCOMING...CLINTON AND BRADFORD COUNTIES. A FEW OF THE SMALLER CREEKS AND STREAMS IN THESE COUNTIES CONTINUE TO FLOW OUT OF THEIR BANKS. SHOWERS AND THUNDERSTORMS WILL BE MOVING THROUGH THIS AREA DURNING THE NEXT SEVERAL HOURS WHICH WILL FURTHER ENHANCE THE FLOODING WHICH IS ALREADY OCCURRING. PERSONS LIVING IN ANY FLOOD PRONE AREAS OF NORTHCENTRAL PENNSYLVANIA SHOULD BE ALERT FOR RISING WATERS AND MOVE TO HIGHER GROUND IF FLOODING IS OBSERVED OR A WARNING IS ISSUED. THE TORNADO WATCH REMAINS IN EFFECT FOR ALL OF NORTHCENTRAL PENNSYLVANIA UNTIL 11 PM EDT. THE WATCH INCLUDES THE FOLLOWING COUNTIES...LYCOMING...CLINTON...SULLIVAN...TIOGA... AND BRADFORD. AT 845 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF THUNDERSTORMS MOVING THROUGH NORTHCENTRAL PENNSYLVANIA. THIS LINE EXTENDED FROM COUDERSPORT TO STATE COLLEGE THEN TO HAGERSTOWN MARYLAND. THE HEAVIEST THUNDERSTORMS EXTENDED FROM STATE COLLEGE TO THE MARYLAND BORDER. THESE THUNDERSTORMS WERE MOVING NORTHEAST AT 15 TO 20 MPH. AS THESE THUNDERSTORMS MOVE THROUGH NORTHCENTRAL PENNSYLVANIA THE NEXT SEVERAL HOURS THEY COULD PRODUCE DAMAGING WINDS...LARGE HAIL AND POSSIBLE TORNADOES. VERY HEAVY DOWNPOURS ARE ALSO POSSIBLE WITH THESE THUNDERSTORMS AND THIS COULD PRODUCE FLOODING OF LOWLANDS AND POOR DRAINAGE AREAS. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. COR FOR TIME IN HEADER FJG/KJF
Special weather statement, Apr 16, 8:50 PM EDT, 1 hour 2 minutes before
PAZ007-008-014-170100- SPECIAL WEATHER STATEMENT...CORRECTION... NATIONAL WEATHER SERVICE WILLIAMSPORT PA 850 PM EDT FRI APR 16 1993 ...FLOOD WARNING CONTINUES FOR LYCOMING...BRADFORD AND CLINTON COUNTIES UNTIL 10 PM EDT... ...TORNADO WATCH REMAINS IN EFFECT UNTIL 11 PM EDT.... ...SMALL STREAM FLOOD WATCH CONTINUES OVERNIGHT... THE FLOOD WARNING FOR STREAMS AND CREEKS CONTINUES UNTIL 1000 PM EDT FOR LYCOMING...CLINTON AND BRADFORD COUNTIES. A FEW OF THE SMALLER CREEKS AND STREAMS IN THESE COUNTIES CONTINUE TO FLOW OUT OF THEIR BANKS. SHOWERS AND THUNDERSTORMS WILL BE MOVING THROUGH THIS AREA DURNING THE NEXT SEVERAL HOURS WHICH WILL FURTHER ENHANCE THE FLOODING WHICH IS ALREADY OCCURRING. PERSONS LIVING IN ANY FLOOD PRONE AREAS OF NORTHCENTRAL PENNSYLVANIA SHOULD BE ALERT FOR RISING WATERS AND MOVE TO HIGHER GROUND IF FLOODING IS OBSERVED OR A WARNING IS ISSUED. THE TORNADO WATCH REMAINS IN EFFECT FOR ALL OF NORTHCENTRAL PENNSYLVANIA UNTIL 11 PM EDT. THE WATCH INCLUDES THE FOLLOWING COUNTIES...LYCOMING...CLINTON...SULLIVAN...TIOGA... AND BRADFORD. AT 845 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF THUNDERSTORMS MOVING THROUGH NORTHCENTRAL PENNSYLVANIA. THIS LINE EXTENDED FROM COUDERSPORT TO STATE COLLEGE THEN TO HAGERSTOWN MARYLAND. THE HEAVIEST THUNDERSTORMS EXTENDED FROM STATE COLLEGE TO THE MARYLAND BORDER. THESE THUNDERSTORMS WERE MOVING NORTHEAST AT 15 TO 20 MPH. AS THESE THUNDERSTORMS MOVE THROUGH NORTHCENTRAL PENNSYLVANIA THE NEXT SEVERAL HOURS THEY COULD PRODUCE DAMAGING WINDS...LARGE HAIL AND POSSIBLE TORNADOES. VERY HEAVY DOWNPOURS ARE ALSO POSSIBLE WITH THESE THUNDERSTORMS AND THIS COULD PRODUCE FLOODING OF LOWLANDS AND POOR DRAINAGE AREAS. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. COR FOR TIME IN HEADER FJG/KJF
Special weather statement, Apr 16, 9:00 PM EDT, 52 minutes before
PAZ006-008-009-013-170400- SPECIAL WEATHER STATEMENT...THUNDERSTORMS NATIONAL WEATHER SERVICE HARRISBURG PA 900 PM EDT FRI APR 16 1993 ...TORNADO WATCH UNTIL 1100 PM FOR THE CENTRAL AND SOUTHCENTRAL MOUNTAINS THE MIDDLE AND LOWER SUSQUEHANNA VALLEY AND PORTIONS OF EAST CENTRAL PA. ...FLOOD WARNINGS FOR HUNTINGDON COUNTY UNTIL 1215 AN EDT... ...A FLOOD WATCH IS IN EFFECT FOR THE SOUTH CENTRAL MOUNTAINS...AND THE LOWER AND MIDDLE SUSQUEHANNA VALLEY UNTIL 1000 PM... AT 850 PM HARRISBURG RADAR SHOWED THUNDERSTORMS OVER THE SOUTHCENTRAL MOUNTAINS IN FULTON, FRNAKLIN HUNTINDON AND CENTRE COUNTIES. THIS AREA IS MOVING SLOWLY EAST AT ABOUT 10 TO 15 MPH. HEAVIEST THUNDERSTORMS EXTENDS FROM AROUND THE STATE COLLEGE AREA IN CENTRE COUNTY SOUTH TO THE MARTINSBURG AREA OF WVA. THE THUNDERSTORMS WILL BE MOVING INTO THE WESTERN AREAS OF THE LOWER AND MIDDLE SUSQUEHANNA VALLEY BETWEEN 9 AND 10 PM. MARBLE SIZE HAIL AS BEEN REPORTED IN NORTHERN FRANKLIN COUNTY. 3/4 TO 1 INCH HAIL EARLY IN BEDFORD COUNTY. ALL THE THUNDERSTORMS COULD PRODUCE LOCALLY HEAVY RAINS AND CAUSE FURTHER FLOODING IN LOW LYING AREAS AND POOR DRAINAGE AREAS IF THREATING WEATHER APPROACHES YOUR AREA MOVE QUICKLY TO A SAFE AREA. DO NOT DRIVE ACROSS ROADWAYS COVERED WITH WATER. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL TV AND RADIO STATIONS FOR THE LATEST STATEMENTS AND POSSIBLE WARNINGS. HURLEY
Special weather statement, Apr 16, 9:01 PM EDT, 51 minutes before
PAZ006-008-009-013-170400- SPECIAL WEATHER STATEMENT...THUNDERSTORMS NATIONAL WEATHER SERVICE HARRISBURG PA 900 PM EDT FRI APR 16 1993 ...TORNADO WATCH UNTIL 1100 PM FOR THE CENTRAL AND SOUTHCENTRAL MOUNTAINS THE MIDDLE AND LOWER SUSQUEHANNA VALLEY AND PORTIONS OF EAST CENTRAL PA. ...FLOOD WARNINGS FOR HUNTINGDON COUNTY UNTIL 1215 AN EDT... ...A FLOOD WATCH IS IN EFFECT FOR THE SOUTH CENTRAL MOUNTAINS...AND THE LOWER AND MIDDLE SUSQUEHANNA VALLEY UNTIL 1000 PM... AT 850 PM HARRISBURG RADAR SHOWED THUNDERSTORMS OVER THE SOUTHCENTRAL MOUNTAINS IN FULTON, FRNAKLIN HUNTINDON AND CENTRE COUNTIES. THIS AREA IS MOVING SLOWLY EAST AT ABOUT 10 TO 15 MPH. HEAVIEST THUNDERSTORMS EXTENDS FROM AROUND THE STATE COLLEGE AREA IN CENTRE COUNTY SOUTH TO THE MARTINSBURG AREA OF WVA. THE THUNDERSTORMS WILL BE MOVING INTO THE WESTERN AREAS OF THE LOWER AND MIDDLE SUSQUEHANNA VALLEY BETWEEN 9 AND 10 PM. MARBLE SIZE HAIL AS BEEN REPORTED IN NORTHERN FRANKLIN COUNTY. 3/4 TO 1 INCH HAIL EARLY IN BEDFORD COUNTY. ALL THE THUNDERSTORMS COULD PRODUCE LOCALLY HEAVY RAINS AND CAUSE FURTHER FLOODING IN LOW LYING AREAS AND POOR DRAINAGE AREAS IF THREATING WEATHER APPROACHES YOUR AREA MOVE QUICKLY TO A SAFE AREA. DO NOT DRIVE ACROSS ROADWAYS COVERED WITH WATER. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL TV AND RADIO STATIONS FOR THE LATEST STATEMENTS AND POSSIBLE WARNINGS. HURLEY
Special weather statement, Apr 16, 9:50 PM EDT, 2 minutes before
PAZ007-008-014-170100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLIAMSPORT PA 950 PM EDT FRI APR 16 1993 ...FLOOD WARNING CONTINUES FOR LYCOMING...BRADFORD AND CLINTON COUNTIES UNTIL 10 PM EDT... ...TORNADO WATCH REMAINS IN EFFECT UNTIL 11 PM EDT.... ...SMALL STREAM FLOOD WATCH CONTINUES OVERNIGHT... THE FLOOD WARNING FOR STREAMS AND CREEKS CONTINUES UNTIL 1000 PM EDT FOR LYCOMING...CLINTON AND BRADFORD COUNTIES. A FEW OF THE SMALLER CREEKS AND STREAMS IN THESE COUNTIES CONTINUE TO FLOW OUT OF THERE BANKS. SHOWERS AND THUNDERSTORMS WILL BE MOVING THROUGH THIS AREA DURNING THE NEXT SEVERAL HOURS WHICH WILL FURTHER ENHANCE THE FLOODING WHICH IS ALREADY OCCURRING. PERSONS LIVING IN ANY FLOOD PRONE AREAS OF NORTHCENTRAL PENNSYLVANIA SHOULD BE ALERT FOR RISING WATERS AND MOVE TO HIGHER GROUND IF FLOODING IS OBSERVED OR A WARNING IS ISSUED. THE TORNADO WATCH REMAINS IN EFFECT FOR ALL OF NORTHCENTRAL PENNSYLVANIA UNTIL 11 PM EDT. THE WATCH INCLUDES THE FOLLOWING COUNTIES...LYCOMING...CLINTON...SULLIVAN...TIOGA... AND BRADFORD. AT 845 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF THUNDERSTORMS MOVING THROUGH NORTHCENTRAL PENNSYLVANIA. THIS LINE EXTENDED FROM COUDERSPORT TO STATE COLLEGE THEN TO HAGERSTOWN MARYLAND. THE HEAVIEST THUNDERSTORMS EXTENDED FROM STATE COLLEGE TO THE MARYLAND BORDER. THESE THUNDERSTORMS WERE MOVING NORTHEAST AT 15 TO 20 MPH. AS THESE THUNDERSTORMS MOVE THROUGH NORTHCENTRAL PENNSYLVANIA THE NEXT SEVERAL HOURS THEY COULD PRODUCE DAMAGING WINDS...LARGE HAIL AND POSSIBLE TORNADOES. VERY HEAVY DOWNPOURS ARE ALSO POSSIBLE WITH THESE THUNDERSTORMS AND THIS COULD PRODUCE FLOODING OF LOWLANDS AND POOR DRAINAGE AREAS. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. FJG/KJF
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 16, 8:07 PM EDT | Flash Flood Warning | CTP | Huntingdon | 4 hr |
| Apr 16, 11:55 PM EDT | Flash Flood Warning | CTP | Huntingdon | 6 hr |
Nearby
Flash Flood Warnings in Pennsylvania, 1993Every flash flood warning in 1993
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.