Alert archive / Vermont / Flash Flood Warnings in 1990
Flash Flood Warning 31, NWS Burlington, VT
NWS Burlington, VT issued this flash flood warning at Jul 4, 1990, 8:07 PM EDT for Washington County, Vermont. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jul 4, 1990, 8:07 PM EDT (00:07 UTC)
- Expired
- Jul 4, 1990, 11:15 PM EDT
- In force
- 3 hr
- Issued by
- NWS Burlington, VT
- Area
- Whole counties
County Washington County, VT
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
Gray, ME (KGYX), launched 00:00Z, 0.1 hours before the alert went out and 193 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
- 3622 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 178 m²/s²
- 0-3 km storm-relative helicity
- 205 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 050010 FFWBTV VTC023-050315- BULLETIN - EBS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE BURLINGTON VT 807 PM EDT WED JUL 4 1990 THE NATIONAL WEATHER SERVICE IN BURLINGTON VT HAS ISSUED A FLOOD WARNING EFFECTIVE UNTIL 1115 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION...... IN NORTH CENTRAL VERMONT ...NORTHERN WASHINGTON COUNTY SKYWARN SPOTTER REPORTS RECEIVED BY THE NATIONAL WEATHER SERVICE INDICATE THAT FLOODING IS STILL OCCURRING IN AND AROUND THE WORCESTER AREA. RIVERS AND STREAMS WILL CONTINUE TO RUN HIGH FOR A FEW HOURS DUE TO THE VERY HEAVY RAINS OF THIS AFTERNOON AND EVENING. NUMEROUS ROADS HAVE BEEN WASHED OUT...INCLUDING ROUTE 12 NORTH OF THE WORCESTER BRIDGE. SHOWERS AND THUNDERSTORMS HAVE MOVED AWAY FROM THE COUNTY AS OF 800 PM...BUT MORE SHOWERS AND THUNDERSTORMS ARE LIKELY THIS EVENING... FURTHER ADDING TO THE FLOODING PROBLEMS. MOST DEATHS IN FLASH FLOODING 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.
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 4, 2:49 PM EDT, 5 hours 18 minutes before
NYC019-VTC001-005-007-009-011-013-015-017-019-021-023-027-042045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BURLINGTON VT 248 PM EDT WED JUL 4 1990 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF VERMONT AND NORTHERN NEW YORK UNTIL 10 PM THIS EVENING. AT 245 PM...THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL WERE NEAR ELLENBURG DEPOT NEW YORK...JUST SOUTH OF ST. ALBANS AND NORTH OF UNDERHILL IN CHITTENDEN COUNTY. THESE THUNDERSTORMS WERE PART OF A LARGER AREA OF SHOWERS AND THUNDERSTORMS THAT COVERED MUCH OF NORTHERN NEW YORK...NORTHERN VERMONT AND SOUTHERN QUEBEC. THE SHOWERS AND THUNDERSTORMS WERE NORTH OF A LINE FROM RAY BROOK NEW YORK TO BURLINGTON TO MONTPELIER. THE SHOWERS AND THUNDERSTORMS ARE MOVING SOUTHEAST AT 40 MILES AN HOUR. IF YOU ARE OUTDOORS...BE ON THE LOOKOUT FOR THUNDERSTORMS THAT MAY PASS THROUGH YOUR AREA. BE READY TO SEEK SHELTER SINCE THE STORMS MAY PRODUCE HEAVY RAINFALL...STRONG GUSTY WXINDS AND SMALL HAIL. KEEP TUNED TO NOAA WEATHER RADIO OR COMMERCIAL RADIO AND TELEVISION FOR LATER STATEMENTS AND POSSIBLE WARNINGS. THE NEXT STATEMENT WILL BE ISSUED BY 500 PM. END...AS
Special weather statement, Jul 4, 4:09 PM EDT, 3 hours 58 minutes before
VTZ001-002-003-NYZ011-042115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BURLINGTON VT 408 PM EDT WED JUL 4 1990 ...THUNDERSTORMS WERE CONTINUING TO MOVE ACROSS NORTHERN NEW YORK AND VERMONT... ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR CLINTON COUNTY NEW YORK AND ALL OF VERMONT EXCEPT BENNINGTON AND WINDHAM COUNTIES UNTIL 1000 PM... AT 400 PM...RADAR SHOWED SHOWERS AND THUNDERSTORMS FROM NEAR MASSENA NEW YORK TO NEAR PLATTSBURGH...AND EAST INTO MUCH OF NORTHERN VERMONT AND NORTHWEST NEW HAMPSHIRE. IN VERMONT...THE HEAVIEST RAIN WAS FALLING NEAR BURLINGTON...BRADFORD IN ORANGE COUNTY...AND FROM PLATTSBURGH TO UNDERHILL VERMONT. THE STORMS WERE MOVING SOUTHEAST AT 40 MPH. IF YOU ARE IN THE PATH OF ANY OF THESE STORMS...BE PREPARED FOR VERY HEAVY RAIN...DANGEROUS AND FREQUENT LIGHTNING...STRONG GUSTY WINDS AND HAIL. TAKE SHELTER UNTIL THE STORMS PASS. REYNOLDS
The office that day
Everything else NWS Burlington, VT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 9:07 PM EDT | Flash Flood Warning | BTV | Chittenden, Franklin | 4 hr |
| Jul 4, 9:32 PM EDT | Flash Flood Warning | BTV | Lamoille | 4 hr |
| Jul 4, 10:58 PM EDT | Flash Flood Warning | BTV | Washington | 3 hr |
| Jul 4, 11:40 PM EDT | Severe Thunderstorm Warning | BTV | Orange, Washington | 65 min |
| Jul 5, 1:29 AM EDT | Severe Thunderstorm Warning | BTV | Bennington, Windham | 61 min |
| Jul 5, 2:24 AM EDT | Severe Thunderstorm Warning | BTV | Caledonia, Washington | 66 min |
Nearby
Flash Flood Warnings in Vermont, 1990Every flash flood warning in 1990
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.