Damaging Wind in Vermont, July 9, 2001

Name: Damaging Wind in Vermont, July 9, 2001
Start: 2001-07-09T19:00
End: 2001-07-09T19:00
Location: Vermont

July 9, 2001 · NWS BTV · 1 event in 1 county or zone

A northwest flow in the upper levels of the atmosphere with upper level disturbances triggered afternoon and evening thunderstorms. Marble size hail was reported in Swanton around 8 PM EDT (7 PM EST).

Where it happened

Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 1

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS BTV wrote it up.

What forecasters said that day

The local office's own words before the first event, 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 the first event at Jul 9, 2:01 PM EST, 4 hours 59 minutes earlier.

Area forecast discussion, Jul 9, 2:01 PM EST, 4 hours 59 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BURLINGTON VT
301 PM EDT MON JUL 9 2001

THUNDERSTORM FIRED EARLIER THIS AFTERNOON NEAR PLATTSBURGH...WHERE
WEAK LAKE BREEZE AND TERRAIN EFFECTS COMBINED...AND SFC TROF LIKELY
HELPED WTH LOW LEVEL CONVERGENCE. STMS DRIFTING SLOWLY SE IN WESTERN
VT...SO FAR PRODUCING LIGHTNING AND HVY RAIN IN BTV'S CWA.  OTHER
SHWRS/TSTMS IN NE KINGDOM OF VT DOWN TO ORANGE COUNTY.  EXPECT
CONVECTION TO CONTINUE THROUGH THIS EVENING UNTIL SFC HEATING
DIMINISHES.

SFC TROF TO PASS TO E...BUT SOUTH WNDS RECOVER TONIGHT. ANOTHER TROF
MOVES THROUGH ON TUESDAY...BRINGING CHCS FOR SHOWERS AND TSTMS AGAIN.

UPR LOW DIGS INTO NE US OVER NEXT COUPLE DAYS...LOWERING HEIGHTS
AND TEMPERATURES.  AFTER SFC TROF ON TUESDAY...NO REAL COLDFRONT TO
LATCH ONTO...BUT TEMPS JUST SLOWLY DROP AS COOLER AIR FILTERS IN ON
NW FLOW.

AS 5H COLD POOL ASSOCIATED WTH UPPER LOW REMAINS OVER FCST AREA
WEDNESDAY AND THURSDAY...EXPECT COOL TEMPS...PLENTY OF CLOUDS...AND
CHCS FOR LIGHT SHOWERS THROUGH END OF THE WEEK.  STRONGEST UPPER
LEVEL FLOW PASSES WELL TO SOUTH WITH BEST JET DYNAMICS OVER SOUTHERN
NY AND PA. ALTHOUGH MDLS AGREE WELL ON OVERALL PATTERN...RESOLUTION
OF INDIVIDUAL FEATURES SOMEWHAT LACKING IN CONSENSUS.  AS A RESULT
JUST WENT WTH CHC FOR SHWRS THRU FRIDAY MAINLY BASED ON PROXIMITY OF
UPR LOW.

FOR REST OF WEEKEND UPR CLOSED LOW PULLS AWAY...LEAVING OPEN
TROF BEHIND WTH RISING HEIGHTS. RETREATING CLSD LOW AND PERSISTENT
NLY FLOW WL DRY OUT LOW LVLS AND REDUCE RAIN CHCS FOR THE WEEKEND.

WORK ZONES ALREADY GONE.

.BTV...NONE.

HANSON

In the hours before

Local storm report, Jul 9, 5:43 PM EST, 1 hour 17 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BURLINGTON VERMONT
643 PM EDT MON JUL 09 2001

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0350 PM    CASTLETON                 VT   WIND DAMAGE
07/09/01   RUTLAND                        LAW ENFORCEMENT REPORTED
                                          TREES AND POWER LINES
                                          DOWN.

0415 PM    WEST RUTLAND              VT   WIND DAMAGE
07/09/01   RUTLAND                        LAW ENFORCEMENT REPORTED
                                          TREES AND POWER LINES DOWN
                                          IN WEST RUTLAND.

0435 PM    NORTH CLARENDON           VT   58 MPH TSTM GUST
07/09/01   RUTLAND                        WIND GUST TO 58 MPG (50
                                          KTS) REPORTED AT RUTLAND
                                          AIRPORT IN NORTH CLARENDO.

0510 PM    PLYMOUTH                  VT   WIND DAMAGE
07/09/01   WINDSOR                        LAW ENFORCEMENT REPORTED
                                          TREES AND POWER LINES
                                          DOWN.

0515 PM    LUDLOW                    VT   WIND DAMAGE
07/09/01   WINDSOR                        LAW ENFORCEMENT REPORTED
                                Y          TREES AND POWER LINES
                                          DOWN.

Local storm report, Jul 9, 5:53 PM EST, 1 hour 7 minutes before

ALBLSRBTV 000
TTAA00 KBTV DDHHMM

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BURLINGTON VERMONT
653 PM EDT MON JUL 09 2001

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0350 PM    CASTLETON                 VT   WIND DAMAGE
07/09/01   RUTLAND                        LAW ENFORCEMENT REPORTED
                                          TREES AND POWER LINES
                                          DOWN.

0415 PM    WEST RUTLAND              VT   WIND DAMAGE
07/09/01   RUTLAND                        LAW ENFORCEMENT REPORTED
                                          TREES AND POWER LINES DOWN
                                          IN WEST RUTLAND.

0435 PM    NORTH CLARENDON           VT   58 MPH TSTM GUST
07/09/01   RUTLAND                        WIND GUST TO 58 MPH
                                          (50 KTS) REPORTED AT
                                          AT AUTOMATED WIND
                                          SENSOR AT RUTLAND AIRPORT
                                          IN NORTH CLARENDON.

0510 PM    PLYMOUTH                  VT   WIND DAMAGE
07/09/01   WINDSOR                        LAW ENFORCEMENT REPORTED
                                          TREES AND POWER LINES
                                          DOWN.

0515 PM    LUDLOW  #                  VT   WIND DAMAGE
07/09/01   WINDSOR                        LAW ENFORCEMENT REPORTED
                                          TREES AND POWER LINES
                                          DOWN.

The radar

The Burlington radar (KCXX), 44 km away, was scanning. The volume nearest the first event began at 00:03 UTC.

Open the radar archive at this moment

Event by event

1 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Franklin

When: July 9, 7:00 PM EST
Where: Franklin County, Swanton
Reported by: TRAINED SPOTTER
Coordinates: 44.858, -72.912 (the zone’s center; the record gives no point)

What these are

Thunderstorm Wind: Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Vermont in 2001 Every state in 2001 This day in weather history Warnings in Vermont, July 2001

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5261944.