Alert archive / Texas / Flood Watches in 2018

Flood Watch 2, NWS Amarillo, TX

October 6, 201813 counties in Texas; Beaver County, Oklahoma

NWS Amarillo, TX issued this flood watch at Oct 6, 2018, 3:31 PM CDT for 13 counties in Texas; Beaver County, Oklahoma. It took effect at Oct 7, 2018, 1:00 AM CDT. It was in force for 54 hr.

The area

The counties it named.

The facts

Issued: Oct 6, 2018, 3:31 PM CDT (20:31 UTC)
In effect from: Oct 7, 2018, 1:00 AM CDT
Expired: Oct 9, 2018, 7:00 AM CDT
In force: 54 hr
Issued by: NWS Amarillo, TX
Flood severity: None

Counties Beaver County, OK, Armstrong County, TX, Carson County, TX, Collingsworth County, TX, Donley County, TX, Gray County, TX, Hemphill County, TX, Hutchinson County, TX, Lipscomb County, TX, Ochiltree County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Wheeler County, TX

The radar

The Amarillo radar (KAMA), 83 km from the middle of the area, began a volume at 20:32 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 12:00Z, 8.5 hours before the alert went out and 258 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 573 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 96 m²/s²
0-3 km storm-relative helicity: 85 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this 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 flood watch went out at Oct 6, 12:09 PM CDT, 3 hours 22 minutes earlier.

Area forecast discussion, Oct 6, 12:09 PM CDT, 3 hours 22 minutes before

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Hazardous weather outlook, Oct 6, 4:41 AM CDT, 10 hours 50 minutes before

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The office that day

Everything else NWS Amarillo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 5, 10:55 PM CDT	Special Weather Statement	AMA	Deaf Smith	35 min
Oct 5, 11:13 PM CDT	Special Weather Statement	AMA	Randall	47 min
Oct 5, 11:54 PM CDT	Special Weather Statement	AMA	Potter, Randall	51 min
Oct 6, 1:15 AM CDT	Special Weather Statement	AMA	Texas	60 min

Nearby

Flood Watches in Texas, 2018 Flood Watches in Oklahoma, 2018 Every flood watch in 2018

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.