Alert archive / Texas / Flash Flood Warnings in 2023

Flash Flood Warning 16, NWS Amarillo, TX

June 2, 20234 counties in Texas

NWS Amarillo, TX issued this flash flood warning at Jun 2, 2023, 1:38 PM CDT for 4 counties in Texas. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 2, 2023, 1:38 PM CDT (18:38 UTC)
Expired: Jun 2, 2023, 6:44 PM CDT
In force: 5 hr
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Flood severity: None

Counties Deaf Smith County, TX, Oldham County, TX, Potter County, TX, Randall County, TX

The radar

The Amarillo radar (KAMA), 49 km from the middle of the area, began a volume at 18:41 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 6.6 hours before the alert went out and 50 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: 915 J/kg
Mixed-layer CIN: -88 J/kg
Mixed-layer LCL: 699 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 116 m²/s²
0-3 km storm-relative helicity: 79 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 3.4

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood warning 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 warning went out at Jun 2, 12:56 PM CDT, 42 minutes earlier.

Area forecast discussion, Jun 2, 12:56 PM CDT, 42 minutes before

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Hazardous weather outlook, Jun 2, 3:01 AM CDT, 10 hours 37 minutes before

Hazardous Weather Outlook
National Weather Service Amarillo TX
301 AM CDT Fri Jun 2 2023

OKZ001>003-TXZ001>020-317-022015-
Cimarron-Texas-Beaver-Dallam-Sherman-Hansford-Ochiltree-Lipscomb-
Hartley-Moore-Hutchinson-Roberts-Hemphill-Oldham-Potter-Carson-
Gray-Wheeler-Deaf Smith-Randall-Armstrong-Donley-Collingsworth-
Palo Duro Canyon-
301 AM CDT Fri Jun 2 2023

This Hazardous Weather Outlook is for the Texas and Oklahoma
Panhandles.

.DAY ONE...Today and Tonight.

Widespread thunderstorms are expected to impact the Panhandles
this afternoon through tonight. A couple storms may be severe,
potentially producing up to golf ball size hail and damaging wind
gusts. Thunderstorms may also bring heavy rain and flooding.
Accordingly, a Flood Watch is in effect starting at 1 PM CDT for
the Texas Panhandle, save far northwestern portions.

.DAYS TWO THROUGH SEVEN...Friday through Thursday.

Thunderstorm chances continue through the weekend and and even
into next week. Strong to severe thunderstorms with torrential
rainfall cannot be ruled out.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated at this time.

In the hours before

Special weather statement, Jun 2, 12:18 PM CDT, 1 hour 20 minutes before

Special Weather Statement
National Weather Service Amarillo TX
1218 PM CDT Fri Jun 2 2023

TXZ011-012-016-021800-
Potter TX-Deaf Smith TX-Oldham TX-
1218 PM CDT Fri Jun 2 2023

...A strong thunderstorm will impact portions of southeastern Oldham,
eastern Deaf Smith and southwestern Potter Counties through 100 PM
CDT...

At 1217 PM CDT, Doppler radar was tracking a strong thunderstorm 6
miles south of Simms, or 17 miles northwest of Hereford, moving north
at 40 mph.

HAZARD...Wind gusts of 50 to 55 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Vega, Adrian, Wildorado and Simms.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3489 10280 3538 10279 3526 10207 3483 10259
TIME...MOT...LOC 1717Z 200DEG 35KT 3494 10267

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...55 MPH

LG

Special weather statement, Jun 2, 12:42 PM CDT, 56 minutes before

Special Weather Statement
National Weather Service Amarillo TX
1242 PM CDT Fri Jun 2 2023

TXZ011-016-021830-
Deaf Smith TX-Oldham TX-
1242 PM CDT Fri Jun 2 2023

...A strong thunderstorm will impact portions of western Oldham and
northwestern Deaf Smith Counties through 130 PM CDT...

At 1241 PM CDT, Doppler radar was tracking a strong thunderstorm 6
miles east of Glenrio, or 27 miles west of Vega, moving north at 35
mph.

HAZARD...Wind gusts of 50 to 55 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Glenrio.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

A Tornado Watch remains in effect until 800 PM CDT for the Panhandle
of Texas.

&&

LAT...LON 3558 10304 3550 10251 3508 10282 3512 10304
TIME...MOT...LOC 1741Z 201DEG 31KT 3519 10290

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...55 MPH

LG

Local storm report, Jun 2, 1:16 PM CDT, 22 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
Jun 2, 2:52 AM CDT	Flood Watch	AMA	Armstrong, Carson, Collingsworth, Deaf Smith, Donley, Gray and 11 more	22 hr
Jun 2, 3:34 AM CDT	Special Weather Statement	AMA	Dallam	26 min
Jun 2, 6:47 AM CDT	Areal Flood Advisory	AMA	Hansford, Sherman	3 hr
Jun 2, 10:30 AM CDT	Areal Flood Warning	AMA	Randall	10 days
Jun 2, 12:18 PM CDT	Special Weather Statement	AMA	Deaf Smith	42 min
Jun 2, 12:42 PM CDT	Special Weather Statement	AMA	Oldham	48 min
Jun 2, 12:43 PM CDT	Areal Flood Advisory	AMA	Deaf Smith, Randall	4 hr
Jun 2, 1:03 PM CDT	Severe Thunderstorm Warning	AMA	Hartley, Oldham	87 min
Jun 2, 1:39 PM CDT	Special Weather Statement	AMA	Potter, Randall	66 min
Jun 2, 1:54 PM CDT	Special Weather Statement	AMA	Dallam	36 min
Jun 2, 2:01 PM CDT	Severe Thunderstorm Warning Considerable damage threat	AMA	Dallam, Hartley	89 min
Jun 2, 2:36 PM CDT	Flash Flood Warning	AMA	Moore, Sherman	3 hr
Jun 2, 2:41 PM CDT	Special Weather Statement	AMA	Sherman	64 min
Jun 2, 2:46 PM CDT	Special Weather Statement	AMA	Collingsworth, Wheeler	59 min
Jun 2, 2:56 PM CDT	Special Weather Statement	AMA	Hansford, Hutchinson, Moore, Sherman	64 min
Jun 2, 3:04 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson, Donley, Gray, Roberts	86 min
Jun 2, 3:26 PM CDT	Special Weather Statement	AMA	Hemphill, Wheeler	64 min
Jun 2, 3:33 PM CDT	Areal Flood Advisory	AMA	Collingsworth, Donley, Gray, Hemphill, Lipscomb, Wheeler	4 hr
Jun 2, 3:52 PM CDT	Special Weather Statement	AMA	Lipscomb, Ochiltree	53 min
Jun 2, 4:04 PM CDT	Severe Thunderstorm Warning	AMA	Gray, Hemphill, Lipscomb, Ochiltree, Roberts, Wheeler	86 min
Jun 2, 4:07 PM CDT	Flash Flood Warning	AMA	Collingsworth, Donley, Gray, Wheeler	3 hr
Jun 2, 4:09 PM CDT	Areal Flood Advisory	AMA	Lipscomb	3 hr
Jun 2, 4:31 PM CDT	Areal Flood Advisory	AMA	Lipscomb, Ochiltree	3 hr
Jun 2, 4:49 PM CDT	Flash Flood Warning	AMA	Collingsworth, Wheeler	8 hr
Jun 2, 4:53 PM CDT	Severe Thunderstorm Warning	AMA	Lipscomb, Ochiltree	67 min
Jun 2, 4:59 PM CDT	Flash Flood Warning	AMA	Hemphill, Lipscomb, Ochiltree, Roberts	4 hr
Jun 2, 5:08 PM CDT	Special Weather Statement	AMA	Collingsworth	37 min
Jun 2, 6:34 PM CDT	River Flood Advisory	AMA	Collingsworth	30 hr
Jun 2, 6:44 PM CDT	Areal Flood Warning	AMA	Deaf Smith, Oldham, Potter, Randall	10 days
Jun 2, 3:44 PM CDT	Special Weather Statement	AMA	Texas	61 min

Nearby

Flash Flood Warnings in Texas, 2023 Every flash flood warning in 2023

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.