Alert archive / New York / Flash Flood Warnings in 2004
Flash Flood Warning 39, NWS Albany, NY
NWS Albany, NY issued this flash flood warning at Sep 18, 2004, 10:34 AM EDT for Schoharie County, New York. It was in force for 116 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Sep 18, 2004, 10:34 AM EDT (14:34 UTC)
- Expired
- Sep 18, 2004, 12:30 PM EDT
- In force
- 116 min
- Issued by
- NWS Albany, NY
- Area
- Counties, with a storm outline in the text
County Schoharie County, NY
The radar
The Albany radar (KENX), 37 km from the middle of the area, began a volume at 14:37 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 |
|---|---|---|---|
| Sep 18, 10:47 AM EDT | FLASH FLOOD | North Blenheim, NY | DARLING HOLLOW CREEK, BETTY BROOK, WESTKILL FLOODING. WATER FROM SCHOHARIE CREEK NOW ON RT 30 NR BLENHEIM |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 2.6 hours before the alert went out and 232 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
- 1385 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 550 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 226 m²/s²
- 0-3 km storm-relative helicity
- 206 m²/s²
- Significant tornado parameter
- 1.3
- Supercell composite
- 5.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS51 KALY 181433
FFWALY
NYC095-181630-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ALBANY NY
1034 AM EDT SAT SEP 18 2004
THE NATIONAL WEATHER SERVICE IN ALBANY HAS CONTINUED THE
* FLASH FLOOD WARNING FOR...
SCHOHARIE COUNTY IN EAST CENTRAL NEW YORK
* UNTIL 1230 PM EDT
* AT 1019 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR
INDICATED MODERATE TO HEAVY RAIN STILL FALLING OVER THE EASTERN
HALF OF THE COUNTY. THE HEAVY RAIN WILL MOVE EAST OF THE COUNTY
ABOUT 1130 AM BUT RESIDUAL RUNOFF WILL PERSIST FOR A WHILE
AFTER THAT.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.
LAT...LON 4252 7471 4236 7443 4236 7427 4268 7416
4281 7467 4261 7462
$$The office that day
Everything else NWS Albany, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 18, 12:25 AM EDT | Flash Flood Warning | ALY | Greene | 6 hr |
| Sep 18, 1:26 AM EDT | Flash Flood Warning | ALY | Albany, Columbia, Rensselaer | 6 hr |
| Sep 18, 1:53 AM EDT | Flash Flood Warning | ALY | Ulster | 6 hr |
| Sep 18, 4:42 AM EDT | Flash Flood Warning | ALY | Schoharie | 6 hr |
| Sep 18, 6:15 AM EDT | Flash Flood Warning | ALY | Greene | 4 hr |
| Sep 18, 6:38 AM EDT | Flash Flood Warning | ALY | Dutchess | 6 hr |
| Sep 18, 7:10 AM EDT | Flash Flood Warning | ALY | Albany, Columbia, Rensselaer | 6 hr |
| Sep 18, 7:45 AM EDT | Flash Flood Warning | ALY | Ulster | 6 hr |
| Sep 18, 10:15 AM EDT | Flash Flood Warning | ALY | Greene | 4 hr |
Nearby
Flash Flood Warnings in New York, 2004Every flash flood warning in 2004
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.