Alert archive / New York / Flash Flood Warnings in 1989
Flash Flood Warning 2, NWS Burlington, VT
NWS Burlington, VT issued this flash flood warning at Jul 7, 1989, 1:27 PM EDT for Cayuga County, Onondaga County, New York. It was in force for 63 min.
The area
The counties it named.
The facts
- Issued
- Jul 7, 1989, 1:27 PM EDT (17:27 UTC)
- Expired
- Jul 7, 1989, 2:30 PM EDT
- In force
- 63 min
- Issued by
- NWS Burlington, VT
- Area
- Whole counties
Counties Cayuga County, NY, Onondaga County, NY
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 5.5 hours before the alert went out and 189 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
- 637 J/kg
- Mixed-layer CIN
- -53 J/kg
- Mixed-layer LCL
- 836 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 103 m²/s²
- 0-3 km storm-relative helicity
- 111 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
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 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, Jul 7, 8:41 AM EDT, 4 hours 46 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BURLINGTON VT 845 AM EDT FRI JUL 7 1989 A LINE OF SHOWERS AND THUNDERSTORMS WERE RAPIDLY APPROACHING NORTHERN LAKE CHAMPLAIN. AT 845 AM A LINE OF SHOWERS AND THUNDERSTORMS WERE RAPIDLY MOVING TOWARD NORTHERN PORTINS OF LAKE CHAMPLAIN...FROM JUST NORTH OF BURLINGTON INTO SOUTHERN QUEBEC. THE THUNDERSTORMS IN THIS LINE WILL CONTAIN VERY HEAVY RAIN...STRONG AND SHIFTING WIND AND DANGEROUS LIGHTNING. BOATERS ON THE NORTHEN PORTIONS OF LAKE CHAMPLAIN SHOULD SEEK SAFE HARBOR IF STORMS APROACH. THESE STORM WERE MOVING TOWARD THE EAST AT ABOUT 35 MPH WILL BE MOVING ACROSS FRANKLIN COUNTY VERMONT BY 9AM AND SPREAD INTO CHITTENDEN COUNTY BY 930 AM. ^ END/ADAMSON
Local storm report, Jul 7, 12:23 PM EDT, 1 hour 4 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE BURLINGTON, VT
1222 PM EDT FRI JUL 07 1989
DAMAGE UPDATE FROM TUESDAY JULY 4 1989
645 PM EDT JUL 4 DERBY VERMONT ORLEANS COUNTY /20 E EFK/
DIME SIZE HAIL AND POWER OUTAGES REPORTED BY
SKYWARN OBSERVER.
650 PM EDT JUL 4 HOLLAND VERMONT ORLEANS COUNTY /25 E EFK/
TREE LIMBS DOWN AND SOME POWER OUTAGES REPORTED.
655 PM EDT JUL 4 NORTON VERMONT ORLEANS/ESSEX COUNTY LINE /30 E EFK/
TREE LIMBS DOWN AND SOME POWER OUTAGES REPORTED.
END...ASSpecial weather statement, Jul 7, 12:53 PM EDT, 34 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BURLINGTON VT 1250 PM EDT FRI JUL 7 1989 A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 6 PM FOR RUTLAND... BENNINGTON...WINDHAM...WINDSOR...WASHINGTON...ORANGE...CALEDONIA AND ADDISON COUNTIES OF VERMONT. AT 1245 PM THERE WERE THUNDERSTORMS WITH HEAVY RAIN OVER LINCOLN AND BIRDPORT IN ADDISON COUNTY VERMONT AND JUST EAST OF SCHROON RIVER IN ESSEX COUNTY NEW YORK. OTHER THUNDESTORMS WERE OVER HAMILTON AND ST. LAWRENCE COUNTIES OF NEW YORK. ALL OF THE STORMS WERE MVING TOWARD THE SOUTHEAST AT ABOUT 30 MPH. THE AIR HAS THE RIGHT INGREDIANTS TO PRODUCE THUNDERSTORMS THIS AFTERNOON AND SOME MAY REACH SEVERE LIMITS WITH A STRONG GUSTY WIND... HAIL...FREQUENT LIGHTNING AND HEAVY RAIN. IF YOU HEAR THUNDER...GO INDOORS AND STAY UNTIL THE STORM PASSES. ^ IF YOU ARE BOATING...BE PREPARED TO SEEK SAFE HARBOR...THUNDERSTORMS CAN DEVELOP VERY RAPIDLY. THE NEXT STATEMENT WILL BE ISUED AROUND 3 PM. END/ADAMSON...
The office that day
Everything else NWS Burlington, VT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 1:27 PM EDT | Severe Thunderstorm Warning | BTV | Cayuga, Onondaga | 63 min |
| Jul 7, 1:57 PM EDT | Flash Flood Warning | BTV | Jefferson | 93 min |
| Jul 7, 1:57 PM EDT | Severe Thunderstorm Warning | BTV | Jefferson | 93 min |
Nearby
Flash Flood Warnings in New York, 1989Every flash flood warning in 1989
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.