Alert archive / Texas / Wind Advisories in 2023
Wind Advisory 18, NWS Amarillo, TX
NWS Amarillo, TX issued this wind advisory at Jul 16, 2023, 1:30 AM CDT for 4 counties in Texas. It was in force for 61 min.
The area
The counties it named.
The facts
- Issued
- Jul 16, 2023, 1:30 AM CDT (06:30 UTC)
- Expired
- Jul 16, 2023, 2:31 AM CDT
- In force
- 61 min
- Issued by
- NWS Amarillo, TX
Counties Armstrong County, TX, Carson County, TX, Potter County, TX, Randall County, TX
The radar
The Amarillo radar (KAMA), 9 km from the middle of the area, began a volume at 06:31 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 00:00Z, 6.5 hours before the alert went out and 8 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
- 1311 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 1554 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- -20 m²/s²
- 0-3 km storm-relative helicity
- 132 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 6.9
What forecasters said that day
The local office's own words before this wind advisory 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 wind advisory went out at Jul 16, 12:36 AM CDT, 54 minutes earlier.
Area forecast discussion, Jul 16, 12:36 AM CDT, 54 minutes before
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</html>Hazardous weather outlook, Jul 15, 2:32 PM CDT, 10 hours 58 minutes before
Hazardous Weather Outlook National Weather Service Amarillo TX 232 PM CDT Sat Jul 15 2023 OKZ001>003-TXZ001>020-317-160900- 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- 232 PM CDT Sat Jul 15 2023 This Hazardous Weather Outlook is for the Texas and Oklahoma Panhandles. .DAY ONE...This Afternoon and Tonight. Strong to severe storms are possible today in the late afternoon to overnight hours. Severe storms will be capable of producing large hail, damaging winds, and flash flooding. While a tornado is unlikely, it cannot be ruled out this evening. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Thunderstorms may return Wednesday through Friday. At this time, the probability for widespread severe storms is low. Temperatures Monday through Wednesday may exceed 105 degrees in Palo Duro Canyon. A Heat Advisory may be necessary. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed for this afternoon and evening, starting by 5PM.
In the hours before
Special weather statement, Jul 15, 9:11 PM CDT, 4 hours 19 minutes before
Special Weather Statement
National Weather Service Amarillo TX
911 PM CDT Sat Jul 15 2023
TXZ001-006-160245-
Hartley TX-Dallam TX-
911 PM CDT Sat Jul 15 2023
...A strong thunderstorm will impact portions of central Dallam and
north central Hartley Counties through 945 PM CDT...
At 911 PM CDT, Doppler radar was tracking a strong thunderstorm 12
miles north of Ware, or 24 miles northwest of Dalhart, moving
southeast at 30 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...
Dalhart and Ware.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 3650 10270 3650 10257 3606 10217 3597 10278
3640 10294
TIME...MOT...LOC 0211Z 335DEG 27KT 3636 10273
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...55 MPH
LGSpecial weather statement, Jul 15, 9:27 PM CDT, 4 hours 3 minutes before
Special Weather Statement
National Weather Service Amarillo TX
927 PM CDT Sat Jul 15 2023
TXZ001-002-006-160300-
Hartley TX-Sherman TX-Dallam TX-
927 PM CDT Sat Jul 15 2023
...A strong thunderstorm will impact portions of west central
Sherman, southeastern Dallam and north central Hartley Counties
through 1000 PM CDT...
At 927 PM CDT, Doppler radar was tracking a strong thunderstorm 6
miles northeast of Ware, or 15 miles northwest of Dalhart, moving
southeast at 35 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...
Dalhart, Ware and Conlen.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
the Panhandle of Texas.
&&
LAT...LON 3628 10282 3637 10260 3619 10197 3587 10259
TIME...MOT...LOC 0227Z 325DEG 29KT 3625 10264
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...55 MPH
LGLocal storm report, Jul 15, 10:11 PM CDT, 3 hours 19 minutes before
Preliminary Local Storm Report
National Weather Service Amarillo TX
1011 PM CDT Sat Jul 15 2023
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1000 PM Tstm Wnd Gst 3 SW Dalhart 36.02N 102.55W
07/15/2023 M70 MPH Hartley TX ASOS
&&Special weather statement, Jul 15, 10:26 PM CDT, 3 hours 4 minutes before
Special Weather Statement
National Weather Service Amarillo TX
1026 PM CDT Sat Jul 15 2023
TXZ011-160400-
Oldham TX-
1026 PM CDT Sat Jul 15 2023
...A strong thunderstorm will impact portions of central Oldham
County through 1100 PM CDT...
At 1026 PM CDT, Doppler radar was tracking a strong thunderstorm 12
miles north of Vega, moving southeast at 30 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...
Vega, Adrian and Wildorado.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
the Panhandle of Texas.
&&
LAT...LON 3562 10281 3546 10221 3523 10217 3519 10217
3521 10264 3561 10304 3562 10304
TIME...MOT...LOC 0326Z 331DEG 24KT 3542 10247
MAX HAIL SIZE...0.88 IN
MAX WIND GUST...55 MPH
LFMLocal storm report, Jul 15, 11:02 PM CDT, 2 hours 28 minutes before
Preliminary Local Storm Report
National Weather Service Amarillo TX
1102 PM CDT Sat Jul 15 2023
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1051 PM Tstm Wnd Gst 4 E Vega 35.25N 102.36W
07/15/2023 M65 MPH Oldham TX Mesonet
&&Local storm report, Jul 15, 11:27 PM CDT, 2 hours 3 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 |
|---|---|---|---|---|
| Jul 15, 9:11 PM CDT | Special Weather Statement | AMA | Dallam | 34 min |
| Jul 15, 9:27 PM CDT | Special Weather Statement | AMA | Dallam | 33 min |
| Jul 15, 9:38 PM CDT | Severe Thunderstorm Warning | AMA | Dallam, Hartley, Moore, Sherman | 56 min |
| Jul 15, 10:06 PM CDT | Tornado Warning | AMA | Hartley, Moore, Oldham | 23 min |
| Jul 15, 10:23 PM CDT | River Flood Advisory | AMA | Hansford | 16 hr |
| Jul 15, 10:26 PM CDT | Special Weather Statement | AMA | Oldham | 34 min |
| Jul 15, 10:31 PM CDT | Severe Thunderstorm Warning | AMA | Deaf Smith, Hartley, Oldham, Potter, Randall | 89 min |
| Jul 15, 10:54 PM CDT | Areal Flood Advisory | AMA | Oldham | 2 hr |
| Jul 15, 11:00 PM CDT | Areal Flood Advisory | AMA | Potter, Randall | 3 hr |
| Jul 15, 11:14 PM CDT | Flash Flood Warning | AMA | Potter, Randall | 2 hr |
| Jul 15, 11:14 PM CDT | Severe Thunderstorm Warning | AMA | Armstrong, Carson, Deaf Smith, Potter, Randall | 91 min |
| Jul 15, 11:17 PM CDT | Severe Thunderstorm Warning | AMA | Deaf Smith, Oldham | 68 min |
| Jul 15, 11:24 PM CDT | Areal Flood Advisory | AMA | Armstrong | 2 hr |
| Jul 15, 11:40 PM CDT | Flash Flood Warning | AMA | Armstrong, Randall | 2 hr |
Nearby
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.