Alert archive / Vermont / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 52, NWS Albany, NY

July 29, 1999Bennington County, Vermont

NWS Albany, NY issued this severe thunderstorm warning at Jul 29, 1999, 11:39 PM EDT for Bennington County, Vermont. It was in force for 61 min. 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 29, 1999, 11:39 PM EDT (03:39 UTC)
Expired: Jul 30, 1999, 12:40 AM EDT
In force: 61 min
Issued by: NWS Albany, NY
Area: Whole counties

County Bennington County, VT

The radar

The Albany radar (KENX), 94 km from the middle of the area, began a volume at 03:42 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

Brookhaven, NY (KOKX), launched 00:00Z, 3.7 hours before the alert went out and 242 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 150 J/kg
Mixed-layer CIN: -168 J/kg
Mixed-layer LCL: 1545 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: -4 m²/s²
0-3 km storm-relative helicity: 34 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Albany, NY wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 29, 2:35 PM EDT, 9 hours 4 minutes earlier.

Area forecast discussion, Jul 29, 2:35 PM EDT, 9 hours 4 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ALBANY NY
235 PM EDT THU JUL 29 1999

.DISC...
AT 200 PM A FEW TSTMS HAVE REDEVELOPED OVR ST LAWRENCE CTY. JUST WDLY
SCT SHWRS/ISOLD TSTMS ELSW IN FA. WILL INCLUDE SLGT CHC TSTMS THRU
THIS EVE ALL ZNS. OVERALL NOT MUCH CHANGE. WNW FLOW ALOFT OPENS UP
OVR NERN US AND S/WVS EMBEDDED IN FLOW WKN AS THEY MOVE E. S/WV PUSHG
INTO RGN ARND MID DAY FRI WILL PRBLY ENHANCE ACTVTY AND THEN PSBLY
ANOTHER ONE AGN LT SAT OR SAT NGT. IN BETWEEN LOOKG FOR JUST RANDOM
TSTMS WITH DIURNAL HEATING. SUNDAY/S FROPA WILL MARK A TRANSITION TO
COOLER/MORE PLEASANT WX BEGINNING OF WORK WEEK.

.ALY...NONE.

GERWITZ

The office that day

Everything else NWS Albany, NY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 30, 4:01 PM EDT	Severe Thunderstorm Warning	ALY	Washington	49 min
Jul 30, 4:35 PM EDT	Severe Thunderstorm Warning	ALY	Warren	30 min
Jul 30, 4:52 PM EDT	Severe Thunderstorm Warning	ALY	Washington	63 min
Jul 30, 7:39 PM EDT	Severe Thunderstorm Warning	ALY	Herkimer	46 min
Jul 29, 8:16 PM EDT	Severe Thunderstorm Warning	ALY	Northwest Hills Planning Region	59 min
Jul 29, 9:06 PM EDT	Flash Flood Warning	ALY	Northwest Hills Planning Region	119 min

Nearby

Severe Thunderstorm Warnings in Vermont, 1999 Every severe thunderstorm warning in 1999

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.