Alert archive / Vermont / Flash Flood Warnings in 1998
Flash Flood Warning 123, NWS Burlington, VT
NWS Burlington, VT issued this flash flood warning at Jul 1, 1998, 2:41 PM EDT for Essex County, Orleans County, Vermont. It was in force for 5 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
- Jul 1, 1998, 2:41 PM EDT (18:41 UTC)
- Expired
- Jul 1, 1998, 7:40 PM EDT
- In force
- 5 hr
- Issued by
- NWS Burlington, VT
- Area
- Whole counties
Counties Essex County, VT, Orleans County, VT
The radar
The Burlington radar (KCXX), 98 km from the middle of the area, began a volume at 18:45 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
Gray, ME (KGYX), launched 12:00Z, 6.7 hours before the alert went out and 169 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
- 97 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 461 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- -26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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.
NWS Burlington, VT wrote its last area forecast discussion before this flash flood warning went out at Jul 1, 2:16 PM EDT, 25 minutes earlier.
Area forecast discussion, Jul 1, 2:16 PM EDT, 25 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BURLINGTON VT 215 AM EDT WED JUL 1 1998 SERIOUS FLOODING OCCURRING ACROSS MANY AREAS OF OUR CWA THIS AFTERNOON. SEVERAL FLOOD/FLASH FLOOD WARNINGS IN EFFECT AND WILL CONTINUE IN EFFECT INTO THE EVENING HOURS. SATELLITE AND RADAR TRENDS INDICATE THAT THE HEAVIEST RAIN HAS NOW SHIFTED TO THE EAST OF THE CHAMPLAIN VALLEY AS STRONG S/WV CONTINUES TO MOVE EAST ACROSS THE AREA. EXPECT THINGS TO FINALLY START WINDING DOWN THIS EVENING AS AXIS OF UPPER LEVEL TROF CONTINUES TO MOVE EAST OF THE REGION. SOME LINGERING -SHRA INTO TONIGHT IN NORTHWEST FLOW. WE GET TO FINALLY DRY THINGS OUT ON THURSDAY AS UPPER TROF PUSHES WELL EAST OF THE REGION. HOW(EVER THERE WILL PROBABLY BE A GOOD DEAL OF CU/SC DEVELOPMENT WITH MOIST GROUND...COOL TEMPS ALOFT. THE DRY WEATHER SHOULD THEN CONTINUE THROUGH FRIDAY. FWC TEMPS LOOK REASONABLE THROUGH THE PERIOD. TD
The office that day
Everything else NWS Burlington, VT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 8:23 AM EDT | Flash Flood Warning | BTV | Addison, Chittenden, Orange, Washington | 5 hr |
| Jul 1, 10:34 AM EDT | Flash Flood Warning | BTV | Grand Isle | 4 hr |
| Jul 1, 11:33 AM EDT | Flash Flood Warning | BTV | Franklin, Lamoille | 6 hr |
| Jul 1, 12:12 PM EDT | Flash Flood Warning | BTV | Caledonia | 8 hr |
| Jul 1, 1:20 PM EDT | Flash Flood Warning | BTV | Addison, Chittenden, Orange, Washington | 7 hr |
| Jul 1, 5:31 PM EDT | Flash Flood Warning | BTV | Lamoille | 3 hr |
| Jul 1, 8:12 AM EDT | Flash Flood Warning | BTV | Clinton, Essex, Franklin | 4 hr |
| Jul 1, 12:06 PM EDT | Flash Flood Warning | BTV | Clinton, Essex, Franklin | 8 hr |
Nearby
Flash Flood Warnings in Vermont, 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.