Alert archive / Texas / Flash Flood Watches in 2017
Flash Flood Watch 5, NWS Amarillo, TX
NWS Amarillo, TX issued this flash flood watch at Sep 23, 2017, 3:49 AM CDT for 9 counties in Texas; Cimarron County, Texas County, Oklahoma. It took effect at Sep 23, 2017, 7:00 PM CDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Sep 23, 2017, 3:49 AM CDT (08:49 UTC)
- In effect from
- Sep 23, 2017, 7:00 PM CDT
- Expired
- Sep 24, 2017, 3:33 AM CDT
- In force
- 9 hr
- Issued by
- NWS Amarillo, TX
- Flood severity
- None
Counties Cimarron County, OK, Texas County, OK, Dallam County, TX, Deaf Smith County, TX, Hansford County, TX, Hartley County, TX, Moore County, TX, Oldham County, TX, Potter County, TX, Randall County, TX, Sherman County, TX
The radar
The Amarillo radar (KAMA), 82 km from the middle of the area, began a volume at 08:47 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
Dodge City, (KDDC), launched 00:00Z, 8.8 hours before the alert went out and 288 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
- 921 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 2081 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.2
What forecasters said that day
The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Amarillo, TX wrote its last area forecast discussion before this flash flood watch went out at Sep 22, 10:57 PM CDT, 4 hours 52 minutes earlier.
Area forecast discussion, Sep 22, 10:57 PM CDT, 4 hours 52 minutes before
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</html>The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 22, 8:15 PM CDT | Special Weather Statement | AMA | Texas | 60 min |
Nearby
Flash Flood Watches in Texas, 2017Flash Flood Watches in Oklahoma, 2017Every flash flood watch in 2017
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.