Alert archive / New York / Flash Flood Warnings in 1998
Flash Flood Warning 22, NWS Burlington, VT
NWS Burlington, VT issued this flash flood warning at Mar 28, 1998, 3:59 PM EST for Clinton County, New York. It was in force for 12 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 28, 1998, 3:59 PM EST (20:59 UTC)
- Expired
- Mar 29, 1998, 4:00 AM EST
- In force
- 12 hr
- Issued by
- NWS Burlington, VT
- Area
- Whole counties
County Clinton County, NY
The radar
The Burlington radar (KCXX), 48 km from the middle of the area, began a volume at 20:57 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 (KALY), launched 12:00Z, 9.0 hours before the alert went out and 229 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
- 1716 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 114 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 KBTV 282101 FFWBTV NYC019-290900- BULLETIN - EAS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE BURLINGTON VT 359 PM EST SAT MAR 28 1998 THE NATIONAL WEATHER SERVICE IN BURLINGTON VT HAS ISSUED A FLOOD WARNING EFFECTIVE UNTIL 400 AM EST FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTH NEW YORK ...CLINTON COUNTY AT 350 PM...THE GREAT CHAZY WAS OUT OF ITS BANKS. AT THIS TIME ALL REPORTS INDICATE FLOODING HAS SO FAR BEEN CONFINED TO LOW LYING FIELDS. CULVERTS ARE REPORTEDLY FULL AND RUNNING FAST. THE GAGE AT PERRY MILLS INDICATE THE RIVER LEVEL THERE HAS JUMPED MORE THAN A FOOT IN THE LAST HALF HOUR. THIS IS LIKELY DUE TO AN ICE JAM. THE RIVER IS EXPECTED TO CONTINUE TO RISE THROUGH THE NIGHT AS SNOWMELT CONTINUES TO FILL THE RIVER. IN ADDITION...SHOWERS AND THUNDERSTORMS WILL BE SCATTERED ABOUT LATER TONIGHT...INCREASING THE RUNOFF INTO THE RIVER. SOME OF THE TOWNS ALONG AND NEAR THIS RIVER INCLUDE ALTONA...MOOERS AND CHAMPLAIN NEW YORK. SOME OF THE MAJOR THOROUGHWAYS THAT RUN ALONG OR NEAR THIS RIVER AND COULD POTENTIALLY BE IMPACTED INCLUDE STATE ROUTE 9 ...11 AND 22 AND ROUTE 190 AND 191. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS. IF FLOODING IS OBSERVED...ACT QUICKLY. MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING. DIGIORGI &
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 Burlington, VT wrote its last area forecast discussion before this flash flood warning went out at Mar 28, 1:59 PM EST, 2 hours earlier.
Area forecast discussion, Mar 28, 1:59 PM EST, 2 hours before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BURLINGTON VT 200 PM AM EST SAT MAR 28 1998 SW H8 JET OF 60+ KNOTS AHEAD OF VORTICITY MAXIMA. ETA BRINGS STRONGEST LOW LEVEL WINDS ACROSS FORECAST AREA 01 TO 09Z. BEST MOISTURE CONVERGENCE AND EHI FIRST PART OF TONIGHT...BUT WILL MOISTURE BE SUFFICIENT AT THAT TIME? ETA INDICATES MID LEVEL INVERSION ERODES AND CAPES JUMP TO BETWEEN 500 AND 800 J/KG. HOWEVER...INSTABILITY LARGELY IN MID LEVELS AND SO CONVECTION MAY BE ELEVATED. THIS MAY KEEP STRONG/SEVERE WINDS FROM REACHING SURFACE. WET BULB ZERO HEIGHTS VERY LOW. MISSING INGREDIENT MAY BE LOW LEVEL MOISTURE. UPSTREAM DEWPOINTS NO HIGHER THAN LOWER 50S. CONVECTION STILL WELL WEST AND JUST BEGINNING TO CROSS LAKE ERIE. MAY BE ONLY SCATTERED SHOWERS THAT HANG TOGETHER AND MOVE ACROSS FORECAST AREA DURING THE LATE NIGHT AS MAIN FORCING MOVES NORTH OF CANADIAN BORDER. KIND OF A PRECARIOOUS SITUATION IN THE NORTH COUNTRY. SNOWMELT HAS RAISED RIVERS TO NEAR BANKFULL. CHAZY HAS RISEN TO JUST OVER BANKFULL. AT THIS TIME...SCATTERED QUARTER INCH RAINS AT BEST OVERNIGHT SHOULD NOT BE ENOUGH TO MAKE A DIFFERENCE. AT THIS TIME AM INCLINED TO KEEP FLOOD WATCHES UP WHERE THEY ARE (AND ONLY SINCE THEY ARE ALREAADY IN PLACE AND FLOODING CAN NOT BE RULED OUT)...BUT NOT EXTEND THEM IN TIME OR SPACE. SNOWMELT WILL CONTINUE ON SUNDAY...TEMPERATURES ABOUT 10 DEGREES COLDER AS COLD FRONT EDGES THROUGH REGION LATE TONIGHT AND SUNDAY MORNING AND THEN STALLS BEFORE MOVING BACK NORTHWARD AS A WARM FRONT SUNDAY NIGHT AND ON MONDAY. BRIEF RIDGING LATER SUNDAY AND SUNDAY NIGHT. ANOTHER LOW MOVING INTO QUEBEC ON MONDAY WITH ANOTHER SURGE OF WARM AIR AHEAD OF IT. THIS WILL BRING ANOTHER CHANCE OF SHOWERS MONDAY AFTERNOON AND NIGHT. FORECAST SUGGESTIONS... TONIGHT...INCREASING CLOUDINESS WITH A GOOD CHANCE OF SHOWERS AND PERHAPS A RUMBLE OF THUNDER. LOW 50 TO 55 (55 TO 60 CHAMPLAIN). SOUTH WIND 10 TO 20 MPH (BREEZY SOUTH WIND 15 TO 25 CHAMPLAIN/SOUTHWEST 15 TO 25 ST LAWRENCE). SUNDAY...A MIX OF SUN AND CLOUDS. COOLER...HIGH AROUND 60 (60 TO 65 CHAMPLAIN AND ST LAWRENCE/MID 60S S VT). SOUTHWEST TO WEST WIND 5 TO 15 MPH. SUNDAY NIGHT...PARTLY CLOUDY. LOW IN THE 40S. MONDAY...A MIX OF SUN AND CLOUDS...CLOUDING UP DURING THE AFTERNOON WITH A GOOD CHANCE OF SHOWERS AND THUNDERSTORMS (LATE IN DAY E FA). HIGH 65 TO 70. DIGIORGI
Nearby
Flash Flood Warnings in New York, 1998Every flash flood warning in 1998
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.