Alert archive / Texas / Special Weather Statements in 2021
Special Weather Statement, NWS Amarillo, TX
NWS Amarillo, TX issued this special weather statement at Sep 5, 2021, 8:09 PM CDT for Hartley County, Texas. It was in force for 51 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 5, 2021, 8:09 PM CDT (01:09 UTC)
- Expired
- Sep 5, 2021, 9:00 PM CDT
- In force
- 51 min
- Issued by
- NWS Amarillo, TX
- Hail
- 0.25 in
- Wind
- 55
County Hartley County, TX
The radar
The Amarillo radar (KAMA), 116 km from the middle of the area, began a volume at 01:09 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, 1.2 hours before the alert went out and 117 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
- 458 J/kg
- Mixed-layer CIN
- -69 J/kg
- Mixed-layer LCL
- 1802 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Sep 5, 6:59 PM CDT, 1 hour 10 minutes earlier.
Area forecast discussion, Sep 5, 6:59 PM CDT, 1 hour 10 minutes before
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</html>Hazardous weather outlook, Sep 5, 2:06 PM CDT, 6 hours 3 minutes before
Hazardous Weather Outlook National Weather Service Amarillo TX 206 PM CDT Sun Sep 5 2021 OKZ001>003-TXZ001>020-317-060715- 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- 206 PM CDT Sun Sep 5 2021 This Hazardous Weather Outlook is for the Texas and Oklahoma Panhandles. .DAY ONE...This Afternoon and Tonight. Isolated thunderstorms are possible across the western and sections of the Oklahoma and Texas Panhandles this afternoon into this evening. Any storms that develop are expected to remain below severe levels at this time. .DAYS TWO THROUGH SEVEN...Monday through Saturday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated at this time.
In the hours before
Special weather statement, Sep 5, 4:28 PM CDT, 3 hours 41 minutes before
Special Weather Statement
National Weather Service Amarillo TX
428 PM CDT Sun Sep 5 2021
OKZ001-052200-
Cimarron OK-
428 PM CDT Sun Sep 5 2021
...A strong thunderstorm will impact portions of northwestern
Cimarron County through 500 PM CDT...
At 428 PM CDT, Doppler radar was tracking a strong thunderstorm 6
miles northeast of Kenton, or 25 miles northwest of Boise City,
moving south at 10 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...
Black Mesa Park, Kenton and Wheeless.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 3700 10276 3699 10269 3664 10263 3664 10300
3700 10300
TIME...MOT...LOC 2128Z 004DEG 10KT 3695 10287
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...55 MPH
LGSpecial weather statement, Sep 5, 4:47 PM CDT, 3 hours 22 minutes before
Special Weather Statement
National Weather Service Amarillo TX
447 PM CDT Sun Sep 5 2021
OKZ001-052215-
Cimarron OK-
447 PM CDT Sun Sep 5 2021
...A strong thunderstorm will impact portions of Cimarron County
through 515 PM CDT...
At 446 PM CDT, Doppler radar was tracking a strong thunderstorm 10
miles southeast of Campo, or 16 miles north of Boise City, moving
southeast at 5 mph. Other strong storms were located 4 miles
northest of Kenton and near Black Mesa State Park moving southeast
at 5 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...
Boise City, Keyes, Kenton, Wheeless and Black Mesa Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 3700 10239 3670 10215 3656 10300 3700 10300
TIME...MOT...LOC 2146Z 333DEG 5KT 3696 10250
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...55 MPH
LGSpecial weather statement, Sep 5, 6:19 PM CDT, 1 hour 50 minutes before
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</html>Special weather statement, Sep 5, 8:09 PM CDT, 0 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 5, 7:08 PM CDT | Special Weather Statement | AMA | Dallam | 37 min |
| Sep 5, 7:32 PM CDT | Special Weather Statement | AMA | Dallam | 43 min |
| Sep 5, 8:35 PM CDT | Special Weather Statement | AMA | Hartley | 40 min |
Nearby
Special Weather Statements in Texas, 2021Every special weather statement in 2021
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.