Alert archive / New York / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 33, NWS Albany, NY

July 1, 2001Rensselaer County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jul 1, 2001, 12:08 PM EDT for Rensselaer County, New York. It was in force for 67 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jul 1, 2001, 12:08 PM EDT (16:08 UTC)
Expired: Jul 1, 2001, 1:15 PM EDT
In force: 67 min
Issued by: NWS Albany, NY
Area: Whole counties

County Rensselaer County, NY

The radar

The Albany radar (KENX), 47 km from the middle of the area, began a volume at 16:08 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.

What was reported inside it

Time	Report	Where	Remark
Jul 1, 12:11 PM EDT	Hail 0.88	Speigletown, NY

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 1, 10:30 AM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 4.1 hours before the alert went out and 26 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: 1136 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 609 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 34 m²/s²
0-3 km storm-relative helicity: 88 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS51 KALY 011609
SVRALY

NYC083-011715-

BULLETIN - EAS ACTIVATION REQUIRED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ALBANY NY
1208 PM EDT SUN JUL 1 2001

THE NATIONAL WEATHER SERVICE IN ALBANY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN RENSSELAER COUNTY IN EASTERN NEW YORK

* UNTIL 115 PM EDT

* AT 1202 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM NEAR CENTER BRUNSWICK...OR ABOUT OVER NORTH    
  TROY...  MOVING EAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  POESTENKILL AND SCHAGHTICOKE AT 1215 PM EDT
  RAYMERTOWN AND VALLEY FALLS AT 1220 PM EDT
  PITTSTOWN AT 1225 PM EDT
  GRAFTON AT 1230 PM EDT
  BABCOCK LAKE AT 1235 PM EDT
  BERLIN AT 1240 PM EDT

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE
FOR DAMAGING WINDS IN EXCESS OF 55 MPH...LARGE HAIL...AND VERY HEAVY
RAIN. PEOPLE OUTSIDE SHOULD MOVE TO A SUBSTANTIAL SHELTER NOW.

$$

LAT...LON 4293 7329 4294 7365 4268 7367 4268 7330

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 1, 11:15 AM EDT, 53 minutes earlier.

Area forecast discussion, Jul 1, 11:15 AM EDT, 53 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ALBANY NY
1115 AM EDT SUN JUL 1 2001

ANOTHER QUICK UPDT TO ADD WW 486 TO BAL OF DIST XCP
EXTRM SRN...WITH SMALL OVERLAP. SCT TSTMS ALG 20NNW KRUT-
KN66 ATTM...MORE CONVECTION INVOF CDFNT ALG LK ERIE.

.ALY...NY ERN...SEVERE THUNDERSTORM WATCH UNTIL 200 PM EDT
                ZONES 32 33 38 42
                SEVERE THUNDERSTORM WATCH UNTIL 400 PM EDT
                ZONES 39>43  47>54 58>61
 VT EXTRM SRN...SEVERE THUNDERSTORM WATCH TIL 4 PM ZONES 13 14
 MA EXTRM WRN...SEVERE THUNDERSTORM WATCH TIL 4 PM ZONE 1
        CT NW...NONE.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 1, 9:43 AM EDT	Severe Thunderstorm Warning	ALY	Fulton, Hamilton, Herkimer	62 min
Jul 1, 12:00 PM EDT	Severe Thunderstorm Warning	ALY	Washington	60 min
Jul 1, 1:11 PM EDT	Severe Thunderstorm Warning	ALY	Herkimer	79 min
Jul 1, 1:41 PM EDT	Severe Thunderstorm Warning	ALY	Rensselaer	64 min
Jul 1, 2:10 PM EDT	Severe Thunderstorm Warning	ALY	Montgomery, Schenectady, Schoharie	80 min
Jul 1, 2:34 PM EDT	Severe Thunderstorm Warning	ALY	Albany	56 min
Jul 1, 2:42 PM EDT	Severe Thunderstorm Warning	ALY	Rensselaer, Saratoga	63 min
Jul 1, 2:57 PM EDT	Severe Thunderstorm Warning	ALY	Ulster	78 min
Jul 1, 3:16 PM EDT	Severe Thunderstorm Warning	ALY	Columbia	59 min
Jul 1, 3:24 PM EDT	Severe Thunderstorm Warning	ALY	Washington	66 min
Jul 1, 3:32 PM EDT	Severe Thunderstorm Warning	ALY	Dutchess	58 min
Jul 1, 3:38 PM EDT	Severe Thunderstorm Warning	ALY	Rensselaer	52 min

Nearby

Severe Thunderstorm Warnings in New York, 2001 Every severe thunderstorm warning in 2001

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.